CN111763421A - Low-shrinkage anti-warping plastic material and preparation method thereof - Google Patents
Low-shrinkage anti-warping plastic material and preparation method thereof Download PDFInfo
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- CN111763421A CN111763421A CN201911294862.9A CN201911294862A CN111763421A CN 111763421 A CN111763421 A CN 111763421A CN 201911294862 A CN201911294862 A CN 201911294862A CN 111763421 A CN111763421 A CN 111763421A
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3477—Six-membered rings
- C08K5/3492—Triazines
- C08K5/34922—Melamine; Derivatives thereof
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/521—Esters of phosphoric acids, e.g. of H3PO4
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
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- C08K7/28—Glass
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
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- C—CHEMISTRY; METALLURGY
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- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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Abstract
The invention discloses a low-shrinkage anti-warping plastic material and a preparation method thereof, wherein the plastic material comprises the following components in parts by weight: PA 660-70 parts, glass fiber 30-35 parts, hollow glass beads 3-8 parts, antioxidant 0.5-3 parts, nucleating agent 0.1-2 parts and colorant 0.1-2 parts. According to the invention, the PA6, the glass fiber and the hollow glass bead are mixed and granulated, so that the prepared plastic material has low shrinkage and is not easy to warp; the flame-retardant rubber has better oxidation resistance and flame retardance and wider applicability.
Description
Technical Field
The invention relates to the technical field of plastic materials, in particular to a low-shrinkage anti-warping plastic material and a preparation method thereof.
Background
The plastic is widely applied and is an indispensable component in household appliances, automobiles, mobile phones, PCs, medical appliances and lighting appliances. In recent years, the economy of China has been continuously and stably increased, industries such as household appliances, automobiles, mobile phones, PCs, medical appliances and the like benefit from good external environments, rapid development is also realized, and the development of downstream industries further draws the demand on plastics.
The existing plastic material is easy to warp and is not beneficial to use, so that a low-shrinkage anti-warping plastic material and a preparation method thereof are provided.
Disclosure of Invention
The invention aims to provide a low-shrinkage anti-warping plastic material and a preparation method thereof, and aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a low-shrinkage anti-warping plastic material comprises the following components in parts by weight:
PA 660-70 parts, glass fiber 30-35 parts, hollow glass beads 3-8 parts, antioxidant 0.5-3 parts, nucleating agent 0.1-2 parts and colorant 0.1-2 parts.
Preferably, the composition comprises the following components in parts by weight:
PA 662-68 parts, glass fiber 31-34 parts, hollow glass beads 4-7 parts, antioxidant 1-2.5 parts, nucleating agent 0.5-1.6 parts and colorant 0.5-1.6 parts.
Preferably, 0.5-2 parts of flame retardant is also included.
Preferably, the flame retardant is one or more of a phosphate flame retardant, a phosphite flame retardant, a polysilane flame retardant, a polysiloxane flame retardant and a melamine flame retardant.
Preferably, the nucleating agent is one or more of talcum powder, kaolin, aluminum hydroxide and sodium carboxylate.
Preferably, the antioxidant is one of antioxidant 1010, antioxidant 1076 or a compound of antioxidant 1010 and antioxidant 1076 and antioxidant 168 respectively.
Preferably, the preparation method of the low-shrinkage anti-warping plastic material comprises the following steps:
the method comprises the following steps: preparing raw materials: weighing the raw materials in parts by weight respectively;
step two: drying the raw materials: drying the PA6, the glass fiber and the hollow glass bead at the temperature of 100-120 ℃;
step three: mixing raw materials: mixing the dried raw materials in a high-speed stirrer, and then adding an antioxidant, a nucleating agent and a coloring agent to stir and mix;
step four: extruding through an extruder: extruding the mixed raw materials by a screw machine;
step five: cooling and drying: cooling the extruded material by a cold water tank, and then drying the cooled material;
step six: cutting into granules and drying: and granulating the cooled and dried material by a granulator, and then drying.
Preferably, the melting temperature of the extruder in the fourth step is controlled to be 275 ℃ to 285 ℃, and the extruder is a double-screw extruder.
Compared with the prior art, the invention has the beneficial effects that: according to the preparation method, the PA6, the glass fiber and the hollow glass bead are mixed and granulated, so that the prepared plastic material is low in shrinkage rate and not easy to warp; the flame-retardant rubber has better oxidation resistance and flame retardance and wider applicability.
Detailed Description
The following description of the preferred embodiments of the present invention is provided for the purpose of illustration and description, and is in no way intended to limit the invention.
Example one
In the embodiment of the invention, the low-shrinkage anti-warping plastic material comprises the following components in parts by weight:
PA 660-70 parts, glass fiber 30-35 parts, hollow glass beads 3-8 parts, antioxidant 0.5-3 parts, nucleating agent 0.1-2 parts and colorant 0.1-2 parts.
Preferably, the flame retardant is one or more of a phosphate flame retardant, a phosphite flame retardant, a polysilane flame retardant, a polysiloxane flame retardant and a melamine flame retardant.
Preferably, the nucleating agent is one or more of talcum powder, kaolin, aluminum hydroxide and sodium carboxylate.
Preferably, the antioxidant is one of antioxidant 1010, antioxidant 1076 or a compound of antioxidant 1010 and antioxidant 1076 and antioxidant 168 respectively.
Preferably, the preparation method of the low-shrinkage anti-warping plastic material comprises the following steps:
the method comprises the following steps: preparing raw materials: weighing the raw materials in parts by weight respectively;
step two: drying the raw materials: drying the PA6, the glass fiber and the hollow glass bead at the temperature of 100-120 ℃;
step three: mixing raw materials: mixing the dried raw materials in a high-speed stirrer, and then adding an antioxidant, a nucleating agent and a coloring agent to stir and mix;
step four: extruding through an extruder: extruding the mixed raw materials by a screw machine;
step five: cooling and drying: cooling the extruded material by a cold water tank, and then drying the cooled material;
step six: cutting into granules and drying: and granulating the cooled and dried material by a granulator, and then drying.
Preferably, the melting temperature of the extruder in the fourth step is controlled to be 275 ℃ to 285 ℃, and the extruder is a double-screw extruder.
The working principle is as follows: the PA6, the glass fiber and the hollow glass bead are mixed and granulated, so that the prepared plastic material is low in shrinkage rate and not easy to warp; the flame-retardant rubber has better oxidation resistance and flame retardance and wider applicability.
Example two
In the embodiment of the invention, the low-shrinkage anti-warping plastic material comprises the following components in parts by weight:
PA 660-70 parts, glass fiber 30-35 parts, hollow glass beads 3-8 parts, antioxidant 0.5-3 parts, nucleating agent 0.1-2 parts and colorant 0.1-2 parts.
Preferably, the nucleating agent is one or more of talcum powder, kaolin, aluminum hydroxide and sodium carboxylate.
Preferably, the antioxidant is one of antioxidant 1010, antioxidant 1076 or a compound of antioxidant 1010 and antioxidant 1076 and antioxidant 168 respectively.
Preferably, the preparation method of the low-shrinkage anti-warping plastic material comprises the following steps:
the method comprises the following steps: preparing raw materials: weighing the raw materials in parts by weight respectively;
step two: drying the raw materials: drying the PA6, the glass fiber and the hollow glass bead at the temperature of 100-120 ℃;
step three: mixing raw materials: mixing the dried raw materials in a high-speed stirrer, and then adding an antioxidant, a nucleating agent and a coloring agent to stir and mix;
step four: extruding through an extruder: extruding the mixed raw materials by a screw machine;
step five: cooling and drying: cooling the extruded material by a cold water tank, and then drying the cooled material;
step six: cutting into granules and drying: and granulating the cooled and dried material by a granulator, and then drying.
Preferably, the melting temperature of the extruder in the fourth step is controlled to be 275 ℃ to 285 ℃, and the extruder is a double-screw extruder.
The working principle is as follows: the PA6, the glass fiber and the hollow glass bead are mixed and granulated, so that the prepared plastic material is low in shrinkage rate and not easy to warp; and the antioxidant performance and the applicability are wider.
EXAMPLE III
In the embodiment of the invention, the low-shrinkage anti-warping plastic material comprises the following components in parts by weight:
PA 662-68 parts, glass fiber 31-34 parts, hollow glass beads 4-7 parts, antioxidant 1-2.5 parts, nucleating agent 0.5-1.6 parts and colorant 0.5-1.6 parts.
Preferably, the flame retardant is one or more of a phosphate flame retardant, a phosphite flame retardant, a polysilane flame retardant, a polysiloxane flame retardant and a melamine flame retardant.
Preferably, the nucleating agent is one or more of talcum powder, kaolin, aluminum hydroxide and sodium carboxylate.
Preferably, the antioxidant is one of antioxidant 1010, antioxidant 1076 or a compound of antioxidant 1010 and antioxidant 1076 and antioxidant 168 respectively.
Preferably, the preparation method of the low-shrinkage anti-warping plastic material comprises the following steps:
the method comprises the following steps: preparing raw materials: weighing the raw materials in parts by weight respectively;
step two: drying the raw materials: drying the PA6, the glass fiber and the hollow glass bead at the temperature of 100-120 ℃;
step three: mixing raw materials: mixing the dried raw materials in a high-speed stirrer, and then adding an antioxidant, a nucleating agent and a coloring agent to stir and mix;
step four: extruding through an extruder: extruding the mixed raw materials by a screw machine;
step five: cooling and drying: cooling the extruded material by a cold water tank, and then drying the cooled material;
step six: cutting into granules and drying: and granulating the cooled and dried material by a granulator, and then drying.
Preferably, the melting temperature of the extruder in the fourth step is controlled to be 275 ℃ to 285 ℃, and the extruder is a double-screw extruder.
The working principle is as follows: the PA6, the glass fiber and the hollow glass bead are mixed and granulated, so that the prepared plastic material is low in shrinkage rate and not easy to warp; the flame-retardant rubber has better oxidation resistance and flame retardance and wider applicability.
Example four
In the embodiment of the invention, the low-shrinkage anti-warping plastic material comprises the following components in parts by weight:
PA 662-68 parts, glass fiber 31-34 parts, hollow glass beads 4-7 parts, antioxidant 1-2.5 parts, nucleating agent 0.5-1.6 parts and colorant 0.5-1.6 parts.
Preferably, the nucleating agent is one or more of talcum powder, kaolin, aluminum hydroxide and sodium carboxylate.
Preferably, the antioxidant is one of antioxidant 1010, antioxidant 1076 or a compound of antioxidant 1010 and antioxidant 1076 and antioxidant 168 respectively.
Preferably, the preparation method of the low-shrinkage anti-warping plastic material comprises the following steps:
the method comprises the following steps: preparing raw materials: weighing the raw materials in parts by weight respectively;
step two: drying the raw materials: drying the PA6, the glass fiber and the hollow glass bead at the temperature of 100-120 ℃;
step three: mixing raw materials: mixing the dried raw materials in a high-speed stirrer, and then adding an antioxidant, a nucleating agent and a coloring agent to stir and mix;
step four: extruding through an extruder: extruding the mixed raw materials by a screw machine;
step five: cooling and drying: cooling the extruded material by a cold water tank, and then drying the cooled material;
step six: cutting into granules and drying: and granulating the cooled and dried material by a granulator, and then drying.
Preferably, the melting temperature of the extruder in the fourth step is controlled to be 275 ℃ to 285 ℃, and the extruder is a double-screw extruder.
The working principle is as follows: the PA6, the glass fiber and the hollow glass bead are mixed and granulated, so that the prepared plastic material is low in shrinkage rate and not easy to warp; and the antioxidant performance and the applicability are wider.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A low-shrinkage anti-warping plastic material is characterized in that: comprises the following components in parts by weight:
660-70 parts of PA,
30-35 parts of glass fiber,
3-8 parts of hollow glass beads,
0.5 to 3 parts of antioxidant,
0.1-2 parts of nucleating agent,
0.1-2 parts of a coloring agent.
2. The low-shrinkage warpage-preventing plastic material as claimed in claim 1, wherein: comprises the following components in parts by weight:
662-68 parts of PA,
31-34 parts of glass fiber,
4-7 parts of hollow glass beads,
1-2.5 parts of antioxidant,
0.5 to 1.6 parts of nucleating agent,
0.5-1.6 parts of a coloring agent.
3. The low-shrinkage warpage-preventing plastic material as claimed in claim 1, wherein: also comprises 0.5 to 2 portions of flame retardant.
4. The low-shrinkage warpage-preventing plastic material as claimed in claim 3, wherein: the flame retardant is one or more of phosphate flame retardant, phosphite flame retardant, polysilane flame retardant, polysiloxane flame retardant and melamine flame retardant.
5. The low-shrinkage warpage-preventing plastic material as claimed in claim 1, wherein: the nucleating agent is one or more of talcum powder, kaolin, aluminum hydroxide and sodium carboxylate.
6. The low-shrinkage warpage-preventing plastic material as claimed in claim 1, wherein: the antioxidant is one of antioxidant 1010, antioxidant 1076 or a compound of antioxidant 1010 and antioxidant 1076 and antioxidant 168 respectively.
7. The preparation method of the low-shrinkage anti-warping plastic material as claimed in claim 1, wherein: the method comprises the following steps:
the method comprises the following steps: preparing raw materials: weighing the raw materials in parts by weight respectively;
step two: drying the raw materials: drying the PA6, the glass fiber and the hollow glass bead at the temperature of 100-120 ℃;
step three: mixing raw materials: mixing the dried raw materials in a high-speed stirrer, and then adding an antioxidant, a nucleating agent and a coloring agent to stir and mix;
step four: extruding through an extruder: extruding the mixed raw materials by a screw machine;
step five: cooling and drying: cooling the extruded material by a cold water tank, and then drying the cooled material;
step six: cutting into granules and drying: and granulating the cooled and dried material by a granulator, and then drying.
8. The preparation method of the low-shrinkage anti-warping plastic material as claimed in claim 7, wherein: in the fourth step, the melting temperature of the extruder is controlled at 275 ℃ and 285 ℃, and the extruder is a double-screw extruder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911294862.9A CN111763421A (en) | 2019-12-16 | 2019-12-16 | Low-shrinkage anti-warping plastic material and preparation method thereof |
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| CN201911294862.9A CN111763421A (en) | 2019-12-16 | 2019-12-16 | Low-shrinkage anti-warping plastic material and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104004350A (en) * | 2014-06-20 | 2014-08-27 | 江苏兆鋆新材料股份有限公司 | Glass fiber reinforced halogen-free flame retardant polyamide 6 composite material and manufacturing method thereof |
| CN104231613A (en) * | 2014-08-27 | 2014-12-24 | 南京聚隆科技股份有限公司 | Injection-molding polyamide composite material and preparation method thereof |
| CN104231610A (en) * | 2013-06-24 | 2014-12-24 | 黑龙江鑫达企业集团有限公司 | Buckling deformation-resistant reinforced polyamide 6 material and preparation method thereof |
| CN104629350A (en) * | 2013-11-12 | 2015-05-20 | 黑龙江鑫达企业集团有限公司 | High temperature resistant reinforced polyamide 6 material and preparation method thereof |
| CN109423040A (en) * | 2017-09-04 | 2019-03-05 | 四川鑫达企业集团有限公司 | A kind of enhancing PA6 material of warpage-resistant and preparation method thereof |
-
2019
- 2019-12-16 CN CN201911294862.9A patent/CN111763421A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104231610A (en) * | 2013-06-24 | 2014-12-24 | 黑龙江鑫达企业集团有限公司 | Buckling deformation-resistant reinforced polyamide 6 material and preparation method thereof |
| CN104629350A (en) * | 2013-11-12 | 2015-05-20 | 黑龙江鑫达企业集团有限公司 | High temperature resistant reinforced polyamide 6 material and preparation method thereof |
| CN104004350A (en) * | 2014-06-20 | 2014-08-27 | 江苏兆鋆新材料股份有限公司 | Glass fiber reinforced halogen-free flame retardant polyamide 6 composite material and manufacturing method thereof |
| CN104231613A (en) * | 2014-08-27 | 2014-12-24 | 南京聚隆科技股份有限公司 | Injection-molding polyamide composite material and preparation method thereof |
| CN109423040A (en) * | 2017-09-04 | 2019-03-05 | 四川鑫达企业集团有限公司 | A kind of enhancing PA6 material of warpage-resistant and preparation method thereof |
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