CN105669929A - Engineering thermoplastic polyurethane elastomer and preparation method thereof - Google Patents
Engineering thermoplastic polyurethane elastomer and preparation method thereof Download PDFInfo
- Publication number
- CN105669929A CN105669929A CN201610160506.8A CN201610160506A CN105669929A CN 105669929 A CN105669929 A CN 105669929A CN 201610160506 A CN201610160506 A CN 201610160506A CN 105669929 A CN105669929 A CN 105669929A
- Authority
- CN
- China
- Prior art keywords
- diisocyanate
- engineering grade
- thermoplastic elastomer
- dihydroxylic alcohols
- little molecule
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3212—Polyhydroxy compounds containing cycloaliphatic groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention relates to an engineering thermoplastic polyurethane elastomer and a preparation method thereof. The engineering thermoplastic polyurethane elastomer is prepared from, by weight, 20-40 parts of micromolecular dihydric alcohol, 60-80 parts of diisocyanate, 0.1-2 parts of an antioxidant, 0.1-2 parts of a light stabilizer and 0.1-2 parts of a lubricating agent. The preparation method includes: adding the antioxidant, the light stabilizer and the lubricating agent into the micromolecular dihydric alcohol, and well stirring; measuring the micromolecular dihydric alcohol and diisocyanate, and then adding into a double-screw extruder; adopting a one-step double-screw reactive extrusion process, performing brace pelletizing or underwater pelletizing after discharging from a die head, and drying in a dehumidifying and drying hopper to obtain engineering thermoplastic polyurethane particles. Thermoplastic polyurethane elastomers prepared according to the method have the advantages of high hardness, high light transmittance, high bending strength, high toughness and high heat resistance.
Description
Technical field
The present invention relates to the preparation field of polyurethane elastomer, particularly relate to a kind of engineering grade Polyurethane Thermoplastic Elastomer and preparation method thereof.
Background technology
Polyurethane Thermoplastic Elastomer (TPU) is that a class heating can plastify, and chemical constitution does not have or seldom has the polyurethane of chemical crosslinking, have high intensity, high-modulus, excellent wearability and good oil resistivity in broad hardness range. But the hardness range of conventional TPU is typically in 60ShoreA-65ShoreD. When adopting traditional formula system and process to prepare, when the hardness of Polyurethane Thermoplastic Elastomer (TPU) is further continued for improving, it often shows black brittleness, it is impossible to meet normal user demand. Therefore, the engineering grade Polyurethane Thermoplastic Elastomer of the good high rigidity of a kind of toughness is provided, high bending strength, high transparency, high-fire resistance energy, good processability particularly can be provided and toughness is better, the simple engineering grade Polyurethane Thermoplastic Elastomer of production technology and preparation method thereof, become the target that industry is badly in need of solving.
Summary of the invention
The invention aims to provide a kind of engineering grade Polyurethane Thermoplastic Elastomer and preparation method thereof so that it is existing higher hardness, there is again good toughness and thermostability, and production method is simple, it is simple to automated production.
For solving the problems referred to above, the present invention provides a kind of engineering grade Polyurethane Thermoplastic Elastomer, including little molecule dihydroxylic alcohols 20-40 part; Diisocyanate 60-80 part; Antioxidant 0.1-2 part; Light stabilizer 0.1-2 part, lubricant 0.1-2 part, the above refers both to parts by weight.
Further, described little molecule dihydroxylic alcohols is 22-38 part; Diisocyanate is 68-78 part; Antioxidant is 0.2-2 part; Light stabilizer is 0.5-2 part, and lubricant is 0.3-2 part.
Further, described little molecule dihydroxylic alcohols be ethylene glycol, 1,3-PD, 1,3-butanediol, 1, one or more in 4-butanediol, 1,6-hexanediol, 1,4-CHDM, diethylene glycol, triethylene glycol, neopentyl glycol, dipropylene glycol.
Further, described little molecule dihydroxylic alcohols is one or more in BDO, 1,6-hexanediol, 1,4-CHDM, triethylene glycol.
Further, described diisocyanate is one or more in toluene di-isocyanate(TDI), methyl diphenylene diisocyanate, dicyclohexyl methyl hydride diisocyanate, hexamethylene diisocyanate.
Further, described antioxidant is BASF WithIn one or more.
Further, described light stabilizer is BASF WithIn one or more.
Further, described lubricant is one or more in E wax, PE wax, OP wax, S wax, oleamide, erucyl amide and stearic amide.
The present invention also provides for this engineering thermoplastic polyurethane method for producing elastomers, the steps include: first antioxidant, light stabilizer and lubricant to be joined in little molecule dihydroxylic alcohols, it is sufficiently stirred for, then join in double screw extruder after little molecule dihydroxylic alcohols and diisocyanate being measured, adopt one-step method twin-screw reactive expressing technique, be placed in dehumidifying, drying hopper dry obtain engineering grade thermoplastic polyurethane particle through stretching and granulation or underwater cutpellet after going out die head; Wherein, the temperature of double screw extruder is set as 120-250 DEG C, and pelletize water temperature controls at 60-90 DEG C, and baking temperature controls at 40-80 DEG C, and drying time controls at 30min-2h.
The hardness of the engineering grade Polyurethane Thermoplastic Elastomer that the present invention prepares is 81ShoreD-85ShoreD, light transmittance is 80%-95%, bending strength is 100MPa-150MPa, and Izod notched impact strength (-40 DEG C) is 50J/m-100J/m, and Vicat softening point is 85-145 DEG C.
Adopting the hardness of Polyurethane Thermoplastic Elastomer prepared by the present invention high, light transmittance is good, and bending strength is high, good toughness and have good thermostability, is applicable to multiple polyurethane products, substantially increases the range of application of Polyurethane Thermoplastic Elastomer. Engineering grade Polyurethane Thermoplastic Elastomer prepared by preparation method of the present invention is adopted to can be used for preparing phone housing, automobile lubricating cup, guide roller and optics etc., it is possible to prepare various product by traditional machining processes such as injection moulding, extrusion and calenderings.
Detailed description of the invention
Embodiment 1
The present invention provides a kind of engineering grade Polyurethane Thermoplastic Elastomer, prepared by one-step method twin screw extrusion process: first antioxidant, light stabilizer and lubricant are joined in little molecule dihydroxylic alcohols, it is sufficiently stirred for 2h at 110 DEG C, then being dosed in double screw extruder by little molecule dihydroxylic alcohols and diisocyanate, the polymer discharged from die head is cut into oval pellet by underwater cutpellet. Wherein said little molecule dihydroxylic alcohols is 1,6-hexanediol, and addition is 32 parts; Described diisocyanate is methyl diphenylene diisocyanate, and addition is 68 parts; Described antioxidant is BASFAddition is 0.3 part; Described light stabilizer is BASFAddition is 0.5 part; Described lubricant is E wax, and addition is 0.3 part. Engineering grade TPU finished product is injected performance test batten by injection machine after drying, after 100 DEG C of ripening 16h, is then cooled to room temperature tests its properties of product.
Embodiment 2
The present invention provides a kind of engineering grade Polyurethane Thermoplastic Elastomer, prepared by one-step method twin screw extrusion process: antioxidant, light stabilizer and lubricant are joined in little molecule dihydroxylic alcohols, it is sufficiently stirred for 2h at 110 DEG C, then being dosed in double screw extruder by little molecule dihydroxylic alcohols and diisocyanate, the polymer discharged from die head is cut into oval pellet by underwater cutpellet.Wherein said little molecule dihydroxylic alcohols is BDO and the mixture of 1,6-hexanediol, and addition is 14 parts; Described diisocyanate is methyl diphenylene diisocyanate, and addition is 72 parts; Described antioxidant is BASFWithAddition is 0.2 part; Described light stabilizer is BASFWithAddition respectively 1.5 parts and 0.5 part; Described lubricant is E wax and oleamide, addition respectively 0.7 part and 0.5 part. Engineering grade TPU finished product is injected performance test batten by injection machine after drying, after 100 DEG C of ripening 16h, is then cooled to room temperature tests its properties of product.
Embodiment 3
The present invention provides a kind of engineering grade Polyurethane Thermoplastic Elastomer, prepared by one-step method twin screw extrusion process: antioxidant, light stabilizer and lubricant are joined in little molecule dihydroxylic alcohols, it is sufficiently stirred for 2h at 110 DEG C, then being dosed in double screw extruder by little molecule dihydroxylic alcohols and diisocyanate, the polymer discharged from die head is cut into oval pellet by underwater cutpellet. Described little molecule dihydroxylic alcohols is 1,4-CHDM, and addition is 22 parts; Described diisocyanate is methyl diphenylene diisocyanate, and addition is 78 parts; Described antioxidant is BASFWithAddition respectively 1.6 parts and 0.4 part; Described light stabilizer is BASFWithAddition respectively 0.5 part and 0.4 part; Described lubricant is E wax and PE wax, addition respectively 0.3 part and 0.5 part. Engineering grade TPU finished product is injected performance test batten by injection machine after drying, after 100 DEG C of ripening 16h, is then cooled to room temperature tests its properties of product.
Embodiment 4
The present invention provides a kind of engineering grade Polyurethane Thermoplastic Elastomer, prepared by one-step method twin screw extrusion process: antioxidant, light stabilizer and lubricant are joined in little molecule dihydroxylic alcohols, it is sufficiently stirred for 2h at 110 DEG C, then being dosed in double screw extruder by little molecule dihydroxylic alcohols and diisocyanate, the polymer discharged from die head is cut into oval pellet by underwater cutpellet. Described little molecule dihydroxylic alcohols is 1,4-CHDM and the mixture of 1,6-hexanediol, addition respectively 22 parts and 6 parts; Described diisocyanate is dicyclohexyl methyl hydride diisocyanate, and addition is 72 parts; Described antioxidant is BASFWithAddition respectively 0.4 part and 0.6 part; Described light stabilizer is BASFWithAddition respectively 0.5 part and 0.8 part; Described lubricant is oleamide and PE wax, addition respectively 0.1 part and 0.5 part. Engineering grade TPU finished product is injected performance test batten by injection machine after drying, after 100 DEG C of ripening 16h, is then cooled to room temperature tests its properties of product.
Embodiment 5
The present invention provides a kind of engineering grade Polyurethane Thermoplastic Elastomer, prepared by one-step method twin screw extrusion process: antioxidant, light stabilizer and lubricant are joined in little molecule dihydroxylic alcohols, it is sufficiently stirred for 2h at 110 DEG C, then being dosed in double screw extruder by little molecule dihydroxylic alcohols and diisocyanate, the polymer discharged from die head is cut into oval pellet by underwater cutpellet. Described little molecule dihydroxylic alcohols is 1,4-CHDM and the mixture of 1,6-hexanediol, addition respectively 14 parts and 14 parts; Described diisocyanate is hexamethylene diisocyanate, and addition is 72 parts; Described antioxidant is BASFWithAddition respectively 0.4 part and 0.6 part;Described light stabilizer is BASFWithAddition respectively 0.3 part and 0.5 part; Described lubricant is E wax, oleamide and PE wax, addition respectively 0.5 part, 0.5 part and 1 part. Engineering grade TPU finished product is injected performance test batten by injection machine after drying, after 100 DEG C of ripening 16h, is then cooled to room temperature tests its properties of product.
Embodiment 6
The present invention provides a kind of engineering grade Polyurethane Thermoplastic Elastomer, prepared by one-step method twin screw extrusion process: antioxidant, light stabilizer and lubricant are joined in little molecule dihydroxylic alcohols, it is sufficiently stirred for 2h at 110 DEG C, then being dosed in double screw extruder by little molecule dihydroxylic alcohols and diisocyanate, the polymer discharged from die head is cut into oval pellet by underwater cutpellet. Described little molecule dihydroxylic alcohols is 1,6-hexanediol, and addition is 25 parts; Described diisocyanate is toluene di-isocyanate(TDI), and addition is 75 parts; Described antioxidant is BASFWithAddition respectively 1.2 parts, 0.3 part and 0.5 part; Described light stabilizer is BASFWithAddition respectively 0.3 part and 0.7 part; Described lubricant is E wax, erucyl amide and PE wax, addition respectively 0.3 part, 0.2 part and 1 part.
The number adopted in the application is weight portion.
The engineering grade TPU of specific embodiment 1～6 is carried out performance test, wherein:
Hardness is tested by ASTMD2240 standard;
Light transmittance is tested by ASTMD1003 standard
Bending strength is tested by ASTMD790 standard;
Izod notched impact strength (-40 DEG C) is tested by ASTMD256 standard;
Vicat softening point is tested by ASTMD1525 standard.
The main physicochemical property of table 1
| Performance indications | Hardness | Light transmittance | Bending strength | Impact strength | Vicat softening point |
| Unit | Shore D | % | MPa | J/m | ℃ |
| Embodiment 1 | 82 | 80 | 150 | 50 | 85 |
| Embodiment 2 | 81 | 81 | 115 | 57 | 121 |
| Embodiment 3 | 85 | 95 | 100 | 100 | 145 |
| Embodiment 4 | 84 | 86 | 112 | 93 | 131 |
| Embodiment 5 | 83 | 90 | 105 | 78 | 109 |
| Embodiment 6 | 85 | 81 | 113 | 66 | 102 |
The above; it it is only presently preferred embodiments of the present invention; not the present invention being done any pro forma restriction, those skilled in the art utilize the technology contents of the disclosure above to make a little simple modification, equivalent variations or modification, all fall within protection scope of the present invention.
Claims (9)
1. an engineering grade Polyurethane Thermoplastic Elastomer, it is characterised in that include little molecule dihydroxylic alcohols 20-40 part; Diisocyanate 60-80 part; Antioxidant 0.1-2 part; Light stabilizer 0.1-2 part, lubricant 0.1-2 part, the above refers both to parts by weight.
2. engineering grade Polyurethane Thermoplastic Elastomer according to claim 1, it is characterised in that described little molecule dihydroxylic alcohols is 22-38 part; Diisocyanate is 68-78 part; Antioxidant is 0.2-2 part; Light stabilizer is 0.5-2 part, and lubricant is 0.3-2 part.
3. engineering grade Polyurethane Thermoplastic Elastomer according to claim 1, it is characterized in that, described little molecule dihydroxylic alcohols be ethylene glycol, 1, ammediol, 1,3-butanediol, 1, one or more in 4-butanediol, 1,6-hexanediol, 1,4-CHDM, diethylene glycol, triethylene glycol, neopentyl glycol, dipropylene glycol.
4. engineering grade Polyurethane Thermoplastic Elastomer according to claim 3, it is characterised in that described little molecule dihydroxylic alcohols is one or more in BDO, 1,6-hexanediol, 1,4-CHDM, triethylene glycol.
5. engineering grade Polyurethane Thermoplastic Elastomer according to claim 1, it is characterized in that, described diisocyanate is one or more in toluene di-isocyanate(TDI), methyl diphenylene diisocyanate, dicyclohexyl methyl hydride diisocyanate, hexamethylene diisocyanate.
6. engineering grade Polyurethane Thermoplastic Elastomer according to claim 1, it is characterised in that described antioxidant is BASF1010、1076、1098、B900 andOne or more in 168.
7. engineering grade Polyurethane Thermoplastic Elastomer according to claim 1, it is characterised in that described light stabilizer is BASF326、328、770、81、944 HesOne or more in 2020.
8. engineering grade Polyurethane Thermoplastic Elastomer according to claim 1, it is characterised in that described lubricant is one or more in E wax, PE wax, OP wax, S wax, oleamide, erucyl amide and stearic amide.
9. the engineering grade method for preparing thermoplastic polyurethane elastomer described in a claim 1, it is characterized in that, the steps include: first antioxidant, light stabilizer and lubricant to be joined in little molecule dihydroxylic alcohols, it is sufficiently stirred for, then join in double screw extruder after little molecule dihydroxylic alcohols and diisocyanate being measured, adopt one-step method twin-screw reactive expressing technique, be placed in dehumidifying, drying hopper dry obtain engineering grade thermoplastic polyurethane particle through stretching and granulation or underwater cutpellet after going out die head; Wherein, the temperature of double screw extruder is set as 120-250 DEG C, and pelletize water temperature controls at 60-90 DEG C, and baking temperature controls at 40-80 DEG C, and drying time controls at 30min-2h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610160506.8A CN105669929A (en) | 2016-03-21 | 2016-03-21 | Engineering thermoplastic polyurethane elastomer and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610160506.8A CN105669929A (en) | 2016-03-21 | 2016-03-21 | Engineering thermoplastic polyurethane elastomer and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105669929A true CN105669929A (en) | 2016-06-15 |
Family
ID=56311061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610160506.8A Pending CN105669929A (en) | 2016-03-21 | 2016-03-21 | Engineering thermoplastic polyurethane elastomer and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105669929A (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106048774A (en) * | 2016-06-27 | 2016-10-26 | 张勇 | Production method of polyurethane elastic fibers |
| CN106220815A (en) * | 2016-07-28 | 2016-12-14 | 东莞市雄林新材料科技股份有限公司 | A kind of nano material dispersion technology for TPU |
| CN106854271A (en) * | 2016-12-30 | 2017-06-16 | 山东诺威聚氨酯股份有限公司 | Encapsulated special TPU materials and preparation method thereof |
| CN107880399A (en) * | 2017-12-26 | 2018-04-06 | 肖彬 | Automobile decoration piece polypropylene plastics and its production technology |
| CN108192554A (en) * | 2017-12-28 | 2018-06-22 | 宁波凯耀电器制造有限公司 | A kind of thermostable transparent glue and preparation method thereof |
| WO2018145333A1 (en) * | 2017-02-10 | 2018-08-16 | 美瑞新材料股份有限公司 | Thermoplastic organosilicone-polyurethane elastomer and preparation method therefor |
| CN108659196A (en) * | 2018-03-27 | 2018-10-16 | 中科宏德（北京）科技发展有限公司 | A kind of thermoplastic polyurethane elastomer and preparation method thereof |
| CN108912299A (en) * | 2018-08-01 | 2018-11-30 | 浙江华峰热塑性聚氨酯有限公司 | Roll grade high-temperature-resistant thermoplastic polyurethane elastomer and preparation method thereof |
| CN110218439A (en) * | 2019-07-15 | 2019-09-10 | 美瑞新材料股份有限公司 | A kind of tough high rigidity thermoplastic polyurethane elastomer and preparation method thereof |
| CN110804156A (en) * | 2019-11-07 | 2020-02-18 | 中天科盛（上海）企业发展股份有限公司 | High-strength anti-aging thermoplastic polyurethane elastomer and preparation method thereof |
| CN112519164A (en) * | 2020-11-11 | 2021-03-19 | 江苏铁锚玻璃股份有限公司 | Preparation method of special-shaped transparent part |
| CN112979904A (en) * | 2021-02-23 | 2021-06-18 | 美瑞新材料股份有限公司 | Low molecular weight polyurethane resin and application thereof in tackifying resin |
| US11530310B2 (en) | 2017-01-16 | 2022-12-20 | Miracll Chemicals Co., Ltd. | Method for preparing foamed thermoplastic polyurethane elastomer product |
| CN118834355A (en) * | 2023-09-08 | 2024-10-25 | 万华化学集团股份有限公司 | Stress relaxation-resistant high-hardness polyurethane and preparation method and application thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3901852A (en) * | 1974-07-29 | 1975-08-26 | Upjohn Co | Thermoplastic polyurethanes prepared from 4,4'-methylenebis (phenyl isocyanate) |
| CN1061980A (en) * | 1990-11-27 | 1992-06-17 | 博士伦有限公司 | The control of hard segment size in the urethane forming process |
| EP0571830A2 (en) * | 1992-05-26 | 1993-12-01 | Bayer Ag | Thermoplastically processable polyurethanes and process for their production |
| CN1385450A (en) * | 2002-04-30 | 2002-12-18 | 上海交通大学 | Branching degree controllable ultrabranching polyurethane and preparation process thereof |
| CN1541233A (en) * | 2001-08-10 | 2004-10-27 | �����ɷ� | Thermoplastic polyurethanes |
| CN102260367A (en) * | 2010-05-28 | 2011-11-30 | 上海恒安实业有限公司 | Thermoplastic polyurethane elastomer and preparation method thereof |
| CN102558830A (en) * | 2012-02-10 | 2012-07-11 | 上海联景高分子材料有限公司 | Preparation method of transparent film-grade thermoplastic polyurethane elastomer |
| CN103059260A (en) * | 2012-12-10 | 2013-04-24 | 浙江亿诚聚氨酯制造有限公司 | Method for preparing thermoplastic polyurethane elastomers by polyurethane sole raw liquor isocyanate components |
-
2016
- 2016-03-21 CN CN201610160506.8A patent/CN105669929A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3901852A (en) * | 1974-07-29 | 1975-08-26 | Upjohn Co | Thermoplastic polyurethanes prepared from 4,4'-methylenebis (phenyl isocyanate) |
| CN1061980A (en) * | 1990-11-27 | 1992-06-17 | 博士伦有限公司 | The control of hard segment size in the urethane forming process |
| EP0571830A2 (en) * | 1992-05-26 | 1993-12-01 | Bayer Ag | Thermoplastically processable polyurethanes and process for their production |
| CN1541233A (en) * | 2001-08-10 | 2004-10-27 | �����ɷ� | Thermoplastic polyurethanes |
| CN1385450A (en) * | 2002-04-30 | 2002-12-18 | 上海交通大学 | Branching degree controllable ultrabranching polyurethane and preparation process thereof |
| CN102260367A (en) * | 2010-05-28 | 2011-11-30 | 上海恒安实业有限公司 | Thermoplastic polyurethane elastomer and preparation method thereof |
| CN102558830A (en) * | 2012-02-10 | 2012-07-11 | 上海联景高分子材料有限公司 | Preparation method of transparent film-grade thermoplastic polyurethane elastomer |
| CN103059260A (en) * | 2012-12-10 | 2013-04-24 | 浙江亿诚聚氨酯制造有限公司 | Method for preparing thermoplastic polyurethane elastomers by polyurethane sole raw liquor isocyanate components |
Non-Patent Citations (3)
| Title |
|---|
| 刘益军编著: "《聚氨酯原料及助剂手册》", 30 April 2005, 化学工业出版社 * |
| 李绍雄，等编著: "《聚氨酯树脂及其应用》", 31 May 2002 * |
| 王珏，等编著: "《塑料改性实用技术与应用》", 30 June 2014, 印刷工业出版社 * |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106048774A (en) * | 2016-06-27 | 2016-10-26 | 张勇 | Production method of polyurethane elastic fibers |
| CN106220815A (en) * | 2016-07-28 | 2016-12-14 | 东莞市雄林新材料科技股份有限公司 | A kind of nano material dispersion technology for TPU |
| CN106854271A (en) * | 2016-12-30 | 2017-06-16 | 山东诺威聚氨酯股份有限公司 | Encapsulated special TPU materials and preparation method thereof |
| US11530310B2 (en) | 2017-01-16 | 2022-12-20 | Miracll Chemicals Co., Ltd. | Method for preparing foamed thermoplastic polyurethane elastomer product |
| WO2018145333A1 (en) * | 2017-02-10 | 2018-08-16 | 美瑞新材料股份有限公司 | Thermoplastic organosilicone-polyurethane elastomer and preparation method therefor |
| US11643498B2 (en) | 2017-02-10 | 2023-05-09 | Miracll Chemicals Co., Ltd. | Thermoplastic silicone-polyurethane elastomer and method for preparing the same |
| KR20190104057A (en) * | 2017-02-10 | 2019-09-05 | 미라클 케미컬스 씨오., 엘티디. | Thermoplastic Silicone-Polyurethane Elastomer and Method for Making the Same |
| KR102224198B1 (en) * | 2017-02-10 | 2021-03-08 | 미라클 케미컬스 씨오., 엘티디. | Thermoplastic silicone-polyurethane elastomer and manufacturing method thereof |
| CN107880399A (en) * | 2017-12-26 | 2018-04-06 | 肖彬 | Automobile decoration piece polypropylene plastics and its production technology |
| CN108192554B (en) * | 2017-12-28 | 2020-07-28 | 宁波凯耀电器制造有限公司 | High-temperature-resistant transparent adhesive and preparation method thereof |
| CN108192554A (en) * | 2017-12-28 | 2018-06-22 | 宁波凯耀电器制造有限公司 | A kind of thermostable transparent glue and preparation method thereof |
| CN108659196A (en) * | 2018-03-27 | 2018-10-16 | 中科宏德（北京）科技发展有限公司 | A kind of thermoplastic polyurethane elastomer and preparation method thereof |
| CN108912299B (en) * | 2018-08-01 | 2021-01-05 | 浙江华峰热塑性聚氨酯有限公司 | Calendering-grade high-temperature-resistant thermoplastic polyurethane elastomer and preparation method thereof |
| CN108912299A (en) * | 2018-08-01 | 2018-11-30 | 浙江华峰热塑性聚氨酯有限公司 | Roll grade high-temperature-resistant thermoplastic polyurethane elastomer and preparation method thereof |
| CN110218439A (en) * | 2019-07-15 | 2019-09-10 | 美瑞新材料股份有限公司 | A kind of tough high rigidity thermoplastic polyurethane elastomer and preparation method thereof |
| CN110804156A (en) * | 2019-11-07 | 2020-02-18 | 中天科盛（上海）企业发展股份有限公司 | High-strength anti-aging thermoplastic polyurethane elastomer and preparation method thereof |
| CN112519164A (en) * | 2020-11-11 | 2021-03-19 | 江苏铁锚玻璃股份有限公司 | Preparation method of special-shaped transparent part |
| CN112979904B (en) * | 2021-02-23 | 2022-10-14 | 美瑞新材料股份有限公司 | Low molecular weight polyurethane resin and application thereof in tackifying resin |
| CN112979904A (en) * | 2021-02-23 | 2021-06-18 | 美瑞新材料股份有限公司 | Low molecular weight polyurethane resin and application thereof in tackifying resin |
| CN118834355A (en) * | 2023-09-08 | 2024-10-25 | 万华化学集团股份有限公司 | Stress relaxation-resistant high-hardness polyurethane and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105669929A (en) | Engineering thermoplastic polyurethane elastomer and preparation method thereof | |
| CN103865178B (en) | Automotive upholstery toughness reinforcing damage resistant PP/HDPE plastics and preparation method thereof | |
| CN104592667B (en) | A kind of high flowing, high-impact ASA materials and preparation method thereof | |
| CN105838063A (en) | Carbon fiber reinforced thermoplastic resin composition and molded article produced using same | |
| CN106916341A (en) | The manufacture method of acetate fiber promotor composition | |
| CN101508815B (en) | Cinnamenyl thermoplastic elastomer and process for producing it | |
| CN104558833B (en) | Good polypropylene modified material of a kind of scratch performance and preparation method thereof | |
| CN103554672A (en) | Low-odor polypropylene material and preparation method thereof | |
| CN104861226A (en) | Polypropylene material for car dust cover and preparation method thereof | |
| CN105873989A (en) | Direct feeding of carbon black in the production of black compounds for pipe and wire and cable applications / polymer composition with improved properties for pressure pipe applications | |
| CN104140669A (en) | Toughened polyamide resin material for machining automobile sliding door line buckle | |
| CN103951873A (en) | Special-shaped S glass fiber reinforced polypropylene composite used for automobile engine cooling fan and its preparation method | |
| CN106633603A (en) | ABS (Acrylonitrile Butadiene Styrene)/PET (Polyethylene Terephthalate) alloy material and preparation method thereof | |
| CN103450652A (en) | Low-gloss low temperature resistant PC/PBT (Poly Carbonate/Polybutylece Terephthalate) plastic alloy and preparation method thereof | |
| CN104086971A (en) | High-flowability and flame-retardant polycarbonate and polystyrene composition and preparation method thereof | |
| CN107118421A (en) | A kind of high temperature resistant wood plastic composite and preparation method thereof | |
| CN102382351B (en) | RHDPE (recycling high density polyethylene)/POE (polyolefin elastomer)-g-MAH (maleic anhydride)/3A molecular sieve blending material and preparation method thereof | |
| CN103980647A (en) | HIPS/ABS blending modification composite material and preparation method thereof | |
| CN108530859B (en) | Preparation method of particle reinforced rubber reinforced composite material | |
| CN106867178B (en) | A kind of good appearance, polypropylene composite material for automobile bumper that shaping efficiency can be improved and preparation method thereof | |
| CN100509949C (en) | Method of raising compatibility between ABS and polymethyl methacrylate | |
| CN101967249B (en) | Toughening polystyrene, preparation method thereof and use thereof | |
| CN106009635A (en) | Low-melting-point nylon wood/plastic product and preparation method thereof | |
| CN112457577A (en) | Polypropylene composite material and preparation method and application thereof | |
| CN104530630A (en) | Ceramic fiber enhanced flame retardant ABS/PBT alloy material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160615 |
