CN103044796B - A kind of epoxy resin strengthens polystyrene bittern-free flame-proof material and preparation method thereof - Google Patents
A kind of epoxy resin strengthens polystyrene bittern-free flame-proof material and preparation method thereof Download PDFInfo
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- CN103044796B CN103044796B CN201210581069.9A CN201210581069A CN103044796B CN 103044796 B CN103044796 B CN 103044796B CN 201210581069 A CN201210581069 A CN 201210581069A CN 103044796 B CN103044796 B CN 103044796B
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- 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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
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- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
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- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
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- 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
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- 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
- B29C2948/92514—Pressure
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- 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
- B29C2948/92561—Time, e.g. start, termination, duration or interruption
-
- 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
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
-
- 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
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92904—Die; Nozzle zone
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- Engineering & Computer Science (AREA)
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Abstract
The present invention discloses a kind of epoxy resin and strengthens polystyrene bittern-free flame-proof material, comprises the raw material of following parts by weight: polystyrene 68 ~ 80 parts; 8 ~ 20 parts, elastomerics; Epoxy resin 3 ~ 5 parts; Epoxy hardener 0.3 ~ 1.5 part; Lubricant 0.1 ~ 0.3 part; Fire retardant 8 ~ 12 parts; 0.4 ~ 0.8 part, oxidation inhibitor; Dispersion agent 0.2 ~ 0.5 part.The invention also discloses a kind of epoxy resin and strengthen polystyrene bittern-free flame-proof material and preparation method thereof.The present invention improves its toughness by adding styrene-butadiene-styrene block copolymer, add after epoxy resin forms reticulated structure by epoxy hardener crosslinking curing makes granules of polystyrene be attached to its surface formation nucleocapsid structure simultaneously, thus makes the impact property of polystyrene and intensity be obtained for raising.Halogen-free flame retardants adopts microcapsule red phosphorus and adding of diphenyl phosphate the fire retardancy of system is improved simultaneously, has widened the range of application of polystyrene.
Description
Technical field
The present invention relates to a kind of macromolecular material, refer in particular to a kind of epoxy resin and strengthen polystyrene bittern-free flame-proof material and preparation method thereof.
Background technology
Polystyrene (PS) has higher rigidity, outstanding dimensional stability and material transparent performance good, so be widely used in electronic original part, auto parts machinery, encapsulating products, plastic toy, internet, multiple field such as engineering industry and household electrical appliance, its usage quantity is only second to polyvinyl chloride (PVC) and polyolefine ranks the 3rd.But it also has some shortcomings to limit polystyrene in field use widely, because its hardness ratio is comparatively large and performance is more crisp, so just material based on polystyrene can not be used under some need the environment of excellent toughness, need to carry out toughening modifying to increase its use field for the existing shortcoming of polystyrene for this reason.
Styrene-butadiene-styrene block copolymer (SBS) due to can be well compatible with polystyrene, therefore can improve the shock strength of polystyrene after adding SBS, but adding of elastomerics SBS makes polystyrene rigidity reduce, and causes its tensile strength to decline.
For the above-mentioned defect of prior art, be necessary to add reinforce in the middle of modified polystyrene, make system obtain good over-all properties by reinforce characteristic.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of epoxy resin and strengthens polystyrene bittern-free flame-proof material and preparation method thereof, ensure that obvious decline does not occur its intensity while p-poly-phenyl ethene toughening modifying, thus obtain the modified polystyrene material with better comprehensive mechanical property.
Solving the technical scheme that technical problem of the present invention adopts is: provide a kind of epoxy resin to strengthen polystyrene bittern-free flame-proof material, comprise the raw material of following parts by weight:
Polystyrene 68 ~ 80;
Elastomerics 8 ~ 20;
Epoxy resin 3 ~ 5;
Epoxy hardener 0.3 ~ 1.5;
Lubricant 0.1 ~ 0.3;
Fire retardant 8 ~ 12;
Oxidation inhibitor 0.4 ~ 0.8;
Dispersion agent 0.2 ~ 0.5.
Solving another technical scheme that technical problem of the present invention adopts is: provide a kind of and prepare the method that epoxy resin as above strengthens polystyrene bittern-free flame-proof material, comprise the following steps:
Step one, to dry: polystyrene and styrene-butadiene-styrene block copolymer are at the baking oven inner drying 6 hours of 80 DEG C, and epoxy resin is at the baking oven inner drying 4 hours of 70 DEG C;
Step 2, mixing: take composition of raw materials according to the ratio of parts by weight, mix 5-8 minute and obtain mixture in high-speed mixer;
Step 3, extruding pelletization: the mixture mixed in step 2 is carried out extruding pelletization in twin screw extruder, twin screw extruder setting feed end temperature is 130-150 DEG C, one district temperature 175-185 DEG C, two district temperature 180-190 DEG C, three district temperature 190-200 DEG C, four district temperature 190-200 DEG C, head 185-195 DEG C, the residence time 1 ~ 2min, pressure is 10-16MPa.
Compared with prior art, the present invention by styrene-butadiene-styrene block copolymer (SBS) and epoxy resin (EP) to General Purpose Polystyrenre (GPPS) modification, elastic body styrene-butadiene-styrene block copolymer due to its toughness better, can be good at improving the poor shortcoming of polystyrene self toughness, epoxy resin belongs to rigid material can there is crosslinking curing formation reticulated structure simultaneously under epoxy hardener exists, this reticulated structure can make the molecule of polystyrene and styrene-butadiene-styrene block copolymer be attached to its surface and form nucleocapsid structure, thus the raising of the intensity of p-poly-phenyl ethene serves good effect.The present invention also added epoxy hardener, lubricant, oxidation inhibitor, fire retardant and dispersion agent etc., and the over-all properties not only improving material makes material be provided with good flame retardant effect simultaneously.Material obtained by the present invention not only has good impact property, and polystyrene material also than general in intensity is high, material also has flame retardant properties simultaneously, makes material not only shock-resistant, and there is certain intensity, Application Areas obtains very large expansion.In addition, the composite material and preparation method thereof that the present invention proposes, production technique is simple, without the need to adding complex apparatus, and with low cost.
Accompanying drawing explanation
Fig. 1 is the schema that epoxy resin of the present invention strengthens the preparation method of polystyrene bittern-free flame-proof material.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The present invention strengthens polystyrene (PS) by adding epoxy resin, epoxy resin can be compatible with polystyrene on the one hand, the epoxy resin of curing cross-linked can form nucleocapsid structure with styrene-butadiene-styrene block copolymer (SBS), not only not having much affect to the consistency of system on the contrary can the further homogenizing of Promotion system, epoxy resin is thermosetting material on the other hand, adding of it can make the rigidity of system increase, thus it is not obvious to make the tensile strength of system decline, and reaches the best over-all properties of needs.Meanwhile, present invention employs encapsulated red phosphorus p-poly-phenyl ethene and carry out fire-retardant, flame-retardant system belongs to halogen-free flameproof, can well solve because of the fire-retardant impact on material environment friendly performance of halogen system.
Epoxy resin provided by the invention strengthens polystyrene bittern-free flame-proof material, comprises the raw material of following parts by weight:
Polystyrene 68 ~ 80;
Elastomerics 8 ~ 20;
Epoxy resin 3 ~ 5;
Epoxy hardener 0.3 ~ 1.5;
Lubricant 0.1 ~ 0.3;
Fire retardant 8 ~ 12;
Oxidation inhibitor 0.4 ~ 0.8;
Dispersion agent 0.2 ~ 0.5.
Wherein, described polystyrene adopts General Purpose Polystyrenre, and described polystyrene is the transparent grain of colorless and odorless; Melt flow rate (MFR) is 7g/10min, and notched Izod impact strength is 1.8KJ/M
2, tensile strength is 41Mpa, and elongation at break is 2.1%, and flexural strength is 65Mpa.
Described elastomerics is styrene-butadiene-styrene block copolymer, and its melt flow rate (MFR) is 0.10g/10min; Tensile strength is 26.0Mpa; 300% stress at definite elongation is 4.0Mpa; Tensile yield is 650%; Tear strength is 50KN/m; Oleaginousness is 0%; Fugitive constituent is 0.50%; The mass ratio of S/B is 40/60.
Described epoxy resin adopts bisphenol A-type diglycidylether, and model is EP128, and epoxy equivalent (weight) is 184-190, and viscosity is 12000-150000.
Described epoxy hardener is 4,4 '-diaminodiphenyl-methane, and its molecular weight is 198.26, in pale yellow or yellow orange solid state under room temperature.
Described lubricant uses white mineral oil.
Described fire retardant adopts the coated master batch of red phosphorus and diphenyl phosphate associating flame-retardant formulations, and wherein, the coated master batch weight fraction of red phosphorus is 4-7, and antimonous oxide weight fraction is 4-5.
Described oxidation inhibitor adopts 168, and fusing point is 183-187 DEG C, and ash is 0.1%, and fugitive constituent is less than 0.3%.
Described dispersion agent adopts 200 object EBS, and molecular weight is 593, relative density 0.98, fusing point 140 DEG C.
Please refer to Fig. 1, present invention also offers a kind of method preparing epoxy resin as above enhancing polystyrene bittern-free flame-proof material, it comprises the following steps:
Step S01, material drying: polystyrene and styrene-butadiene-styrene block copolymer are at the baking oven inner drying 6 hours of 80 DEG C, and epoxy resin is at the baking oven inner drying 4 hours of 70 DEG C;
Step S02, take recipe ingredient and mix: taking composition of raw materials according to the ratio of parts by weight, in high-speed mixer, mix 5-8 minute obtain mixture;
Step S03, extruding pelletization: the mixture mixed in step S02 is carried out extruding pelletization in twin screw extruder, twin screw extruder setting feed end temperature is 130-150 DEG C, one district temperature 175-185 DEG C, two district temperature 180-190 DEG C, three district temperature 190-200 DEG C, four district temperature 190-200 DEG C, head 185-195 DEG C, the residence time 1 ~ 2min, pressure is 10-16MPa.
Illustrate epoxy resin of the present invention below by way of obstructed embodiment and strengthen polystyrene bittern-free flame-proof material and preparation method thereof and performance etc.
Embodiment 1:
The epoxy resin that embodiment 1 provides strengthens the batching that polystyrene fire retardant material contains following parts by weight:
General Purpose Polystyrenre (GPPS) 76;
Elastomerics (SBS) 10;
Epoxy resin (EP) 3;
4,4 '-diaminodiphenyl-methane (DDM) 1;
White oil 0.1;
Wrapped up Phosphorus Fire Retardant 5;
Diphenyl phosphate 4;
Irgasfos 168 0.4;
Dispersion agent EBS0.5.
The preparation method that the epoxy resin that embodiment 1 provides strengthens polystyrene fire retardant material comprises step:
Step one, to dry: polystyrene and styrene-butadiene-styrene block copolymer are at the baking oven inner drying 6 hours of 80 DEG C, and epoxy resin is at the baking oven inner drying 4 hours of 70 DEG C;
Step 2, take recipe ingredient and mix: above-mentioned formula materials is weighed up by above weight fraction, then in high-speed mixer, mixing 5 minutes;
Step 3, extruding pelletization: at 200 DEG C of temperature, carry out extruding pelletization with twin screw extruder, obtain epoxy resin and strengthen polystyrene fire retardant material, wherein, forcing machine engine speed is 320 revs/min (R/min), and rate of feeding is 35 kgs/hour (kg/h).
In order to test wrapper epoxy resins strengthens the performance of polystyrene fire retardant material, also need to carry out step 4, pressing plate injection moulding: on injection moulding machine, be injection molded into standard batten after the pellet after extruding is carried out drying treatment and test, injection temperature is 210 DEG C, injection pressure is 30Mpa, 10 seconds inject time, 20 seconds dwell times.
Embodiment 2:
The epoxy resin that embodiment 2 provides strengthens the batching that polystyrene fire retardant material contains following parts by weight:
General Purpose Polystyrenre (GPPS) 75;
Elastomerics (SBS) 10;
Epoxy resin (EP) 4;
DDM1；
White oil 0.2;
Wrapped up Phosphorus Fire Retardant 5;
Diphenyl phosphate 4;
Irgasfos 168 0.5;
Dispersion agent EBS0.3.
The preparation method that the epoxy resin that embodiment 2 provides strengthens polystyrene fire retardant material comprises step:
Step one, to dry: polystyrene and styrene-butadiene-styrene block copolymer are at the baking oven inner drying 6 hours of 80 DEG C, and epoxy resin is at the baking oven inner drying 4 hours of 70 DEG C;
Step 2, take recipe ingredient and mix: above-mentioned formula materials is weighed up by above weight fraction, in high-speed mixer, mixing 7 minutes;
Step 3, extruding pelletization: at 205 DEG C of temperature, carry out extruding pelletization with twin screw extruder, obtain epoxy resin and strengthen polystyrene fire retardant material, wherein, forcing machine engine speed is 320R/min, and rate of feeding is 35 kgs/hour.
In order to test wrapper epoxy resins strengthens the performance of polystyrene fire retardant material, also need to carry out step 4, pressing plate injection moulding: on injection moulding machine, be injection molded into standard batten after the pellet after extruding is carried out drying treatment and test, injection temperature is 220 DEG C, injection pressure is 30Mpa, 10 seconds inject time, 20 seconds dwell times.
Embodiment 3:
The epoxy resin that embodiment 3 provides strengthens the batching that polystyrene fire retardant material contains following parts by weight:
General Purpose Polystyrenre (GPPS) 74;
Elastomerics (SBS) 10;
Epoxy resin (EP) 5;
DDM1；
White oil 0.3;
Wrapped up Phosphorus Fire Retardant 5;
Diphenyl phosphate 4;
Irgasfos 168 0.4;
Dispersion agent EBS0.2.
The preparation method that the epoxy resin that embodiment 3 provides strengthens polystyrene fire retardant material comprises step:
Step one, to dry: polystyrene and styrene-butadiene-styrene block copolymer are at the baking oven inner drying 6 hours of 80 DEG C, and epoxy resin is at the baking oven inner drying 4 hours of 70 DEG C;
Step 2, take recipe ingredient and mix: above-mentioned formula materials is weighed up by above weight fraction, in high-speed mixer, mixing 10 minutes;
Step 3, extruding pelletization: at 210 DEG C of temperature, carry out extruding pelletization with twin screw extruder, obtain epoxy resin and strengthen polystyrene fire retardant material, wherein, forcing machine engine speed is 300R/min, and rate of feeding is 32 kgs/hour.
In order to test wrapper epoxy resins strengthens the performance of polystyrene fire retardant material, also need to carry out step 4, pressing plate injection moulding: on injection moulding machine, be injection molded into standard batten after the pellet after extruding is carried out drying treatment and test, injection temperature is 220 DEG C, injection pressure is 30Mpa, 10 seconds inject time, 20 seconds dwell times.
Embodiment 4:
The epoxy resin that embodiment 4 provides strengthens the batching that polystyrene fire retardant material contains following parts by weight:
General Purpose Polystyrenre (GPPS) 66;
Elastomerics (SBS) 15;
Epoxy resin (EP) 5;
DDM1；
White oil 0.3;
Wrapped up Phosphorus Fire Retardant 7;
Diphenyl phosphate 5;
Irgasfos 168 0.4;
Dispersion agent EBS0.2.
The preparation method that the epoxy resin that embodiment 4 provides strengthens polystyrene fire retardant material comprises step:
Step one, to dry: polystyrene and styrene-butadiene-styrene block copolymer are at the baking oven inner drying 6 hours of 80 DEG C, and epoxy resin is at the baking oven inner drying 4 hours of 70 DEG C;
Step 2, take recipe ingredient and mix: above-mentioned formula materials is weighed up by above weight fraction, in high-speed mixer, mixing 10 minutes;
Step 3, extruding pelletization: at 210 DEG C of temperature, carry out extruding pelletization with twin screw extruder, obtain epoxy resin and strengthen polystyrene fire retardant material, wherein, forcing machine engine speed is 300R/min, and rate of feeding is 32 kgs/hour.
In order to test wrapper epoxy resins strengthens the performance of polystyrene fire retardant material, also need to carry out step 4, pressing plate injection moulding: on injection moulding machine, be injection molded into standard batten after the pellet after extruding is carried out drying treatment and test, injection temperature is 230 DEG C, injection pressure is 33Mpa, 10 seconds inject time, 20 seconds dwell times.
Performance test:
Physical and mechanical property and weathering resistance press ASTM relevant criterion sampling observation data.Embodiment 1 ~ 4 raw material and material property are in table 1:
Embodiment 1 ~ 4 performance comparison table:
As can be seen from example 1-4, along with the increase of epoxy resin add-on, the tensile strength of modified polystyrene bittern-free flame-proof material is constantly improved, rigidity and the intensity of system are increased, and shock strength along with epoxy resin add-on increase reduce not obvious, describe and add the effect that epoxy resin serves raising polystyrene over-all properties, adopt the coated master batch of red phosphorus and the composite flame-retardant formulations of triphenylphosphate to make the flame retardant rating of system reach V0 level simultaneously, simultaneously the objectionable impurities such as not halogen-containing in material, meets environmental requirement.
Epoxy resin of the present invention strengthens polystyrene fire retardant material can be widely used in the fields such as automotive industry, electric industry, mechanical industry, as automobile exterior trimming parts, household electrical appliances outdoor parts, communication products etc.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. epoxy resin strengthens a polystyrene bittern-free flame-proof material, and it is characterized in that, it comprises the raw material of following parts by weight:
Described elastomerics is styrene-butadiene-styrene block copolymer;
Described epoxy resin adopts bisphenol A-type diglycidylether, and epoxy equivalent (weight) is 184-190;
Described epoxy hardener is 4,4 '-diaminodiphenyl-methane, and its molecular weight is 198.26.
2. epoxy resin as claimed in claim 1 strengthens polystyrene bittern-free flame-proof material, it is characterized in that: described polystyrene adopts General Purpose Polystyrenre, and described polystyrene is the transparent grain of colorless and odorless; Melt flow rate (MFR) is 7g/10min, and notched Izod impact strength is 1.8KJ/M
2, tensile strength is 41Mpa, and elongation at break is 2.1%, and flexural strength is 65Mpa.
3. epoxy resin as claimed in claim 1 strengthens polystyrene bittern-free flame-proof material, it is characterized in that: described lubricant uses white mineral oil.
4. epoxy resin as claimed in claim 1 strengthens polystyrene bittern-free flame-proof material, and it is characterized in that: described fire retardant comprises the coated master batch of red phosphorus and diphenyl phosphate, wherein, the coated master batch weight fraction of red phosphorus is 4-7, and diphenyl phosphate weight fraction is 4-5.
5. epoxy resin as claimed in claim 1 strengthens polystyrene bittern-free flame-proof material, it is characterized in that: described oxidation inhibitor adopts 168, and fusing point is 183-187 DEG C, and ash is 0.1%, and fugitive constituent is less than 0.3%.
6. epoxy resin as claimed in claim 1 strengthens polystyrene bittern-free flame-proof material, and it is characterized in that: described dispersion agent adopts 200 object EBS, molecular weight is 593, relative density 0.98, fusing point 140 DEG C.
7. prepare the method that epoxy resin as claimed in claim 1 strengthens polystyrene bittern-free flame-proof material, it is characterized in that, it comprises the following steps:
Step one, polystyrene and styrene-butadiene-styrene block copolymer are at the baking oven inner drying 6 hours of 80 DEG C, and epoxy resin is at the baking oven inner drying 4 hours of 70 DEG C;
Step 2, take composition of raw materials according to the ratio of parts by weight, in high-speed mixer, mix 5-8 minute obtain mixture;
Step 3, the mixture mixed in step 2 is carried out extruding pelletization in twin screw extruder, twin screw extruder setting feed end temperature is 130-150 DEG C, one district temperature 175-185 DEG C, two district temperature 180-190 DEG C, three district temperature 190-200 DEG C, four district temperature 190-200 DEG C, head 185-195 DEG C, the residence time 1 ~ 2min, pressure is 10-16MPa.
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| CN106317665A (en) * | 2016-08-04 | 2017-01-11 | 叶剑 | Polystyrene foam decorative sheet and manufacturing method thereof |
| CN107325490A (en) * | 2017-09-01 | 2017-11-07 | 江苏欧亚铂瑞碳复合材料有限公司 | A kind of RTM shapings two grades of method for toughening of high temperature tough epoxy resin system |
| CN115044171A (en) * | 2022-06-30 | 2022-09-13 | 浙江华正新材料股份有限公司 | Resin composition, resin-based composite material and preparation method thereof |
| CN115873355A (en) * | 2022-10-24 | 2023-03-31 | 金发科技股份有限公司 | Polystyrene material and preparation method and application thereof |
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| CN1472246A (en) * | 2003-06-19 | 2004-02-04 | 上海交通大学 | A kind of preparation method of reinforced and toughened polypropylene material |
| CN102051033A (en) * | 2009-10-30 | 2011-05-11 | 上海普利特复合材料股份有限公司 | High-rigidity high-impact PC/ABS alloy |
| CN102585391A (en) * | 2011-01-18 | 2012-07-18 | 苏州汉扬精密电子有限公司 | Modification and recovery formula for defective material of high impact polystyrene |
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Effective date of registration: 20160401 Address after: 518000 Baoan District, Shenzhen, Baoan District, the people of the first district of the square building, the first floor of the building on the ground floor, building 13, Patentee after: Shenzhen Yataixing Industry Ltd. Address before: 241000 Wuhu economic and Technological Development Zone, East Road, No. nine, Anhui Patentee before: Polymer Science (Anhui) New Material Co., Ltd. |
