CN116041849A - High-strength automobile skylight reinforced polypropylene material and preparation method thereof - Google Patents
High-strength automobile skylight reinforced polypropylene material and preparation method thereof Download PDFInfo
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- CN116041849A CN116041849A CN202211709528.7A CN202211709528A CN116041849A CN 116041849 A CN116041849 A CN 116041849A CN 202211709528 A CN202211709528 A CN 202211709528A CN 116041849 A CN116041849 A CN 116041849A
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- polypropylene material
- reinforced polypropylene
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- -1 polypropylene Polymers 0.000 title claims abstract description 68
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 55
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 55
- 239000000463 material Substances 0.000 title claims abstract description 50
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 239000007822 coupling agent Substances 0.000 claims abstract description 23
- 239000003365 glass fiber Substances 0.000 claims abstract description 19
- 239000003607 modifier Substances 0.000 claims abstract description 19
- 239000002667 nucleating agent Substances 0.000 claims abstract description 19
- 238000001125 extrusion Methods 0.000 claims abstract description 14
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 13
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 13
- 238000005469 granulation Methods 0.000 claims abstract description 7
- 230000003179 granulation Effects 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims abstract description 7
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 14
- 239000003063 flame retardant Substances 0.000 claims description 14
- 238000012360 testing method Methods 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 7
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 claims description 6
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000155 melt Substances 0.000 claims description 6
- 239000000600 sorbitol Substances 0.000 claims description 6
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 235000012239 silicon dioxide Nutrition 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 239000002861 polymer material Substances 0.000 abstract description 3
- 239000012257 stirred material Substances 0.000 abstract 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 4
- 239000012760 heat stabilizer Substances 0.000 description 4
- 229910000077 silane Inorganic materials 0.000 description 4
- 229920001169 thermoplastic Polymers 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229920000877 Melamine resin Polymers 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001739 density measurement Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/322—Ammonium phosphate
- C08K2003/323—Ammonium polyphosphate
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention belongs to the field of high polymer materials, and in particular relates to a high-strength automobile skylight reinforced polypropylene material and a preparation method thereof, wherein polypropylene, polytetrafluoroethylene, a nucleating agent, a coupling agent and a compatilizer are uniformly mixed, then a modifier is added, stirring is continued, the uniformly stirred materials are placed in an extruder, glass fibers are added in the latter half of the extruder by adopting side feeding, and are subjected to melt extrusion granulation, wherein the temperature of melt extrusion is 190-230 ℃. The high-strength reinforced polypropylene material for the automobile sunroof provided by the invention has obviously improved strength, modulus and thermal performance, is a novel environment-friendly material with good appearance, and has good mechanical properties as the material of the automobile sunroof component.
Description
Technical Field
The invention belongs to the field of high polymer materials, and particularly relates to a high-strength automobile skylight reinforced polypropylene material and a preparation method thereof.
Background
The sunroof frame carries the entire weight of the sunroof system, which is an important functional element in the sunroof system, and thus the sunroof material is required to have high rigidity, high dimensional stability and weather resistance.
Polypropylene is a semi-crystalline thermoplastic plastic, is one of the most promising thermoplastic polymer materials at present, and compared with other general thermoplastic plastics, polypropylene has the advantages of low density, higher impact resistance, strong mechanical property, resistance to various organic solvents, good chemical stability and the like, and has rich raw material sources, low price and easy processing and forming, so that the polypropylene material can meet the requirements of development targets such as light weight, low cost, environmental protection and the like of automobiles. In addition, with the development of the automobile industry, polypropylene and modified materials thereof are not only applied to the aspects of automobile interior and exterior trim parts, but also have more and more applications on a plurality of automobile functional parts, which inevitably has higher requirements on polypropylene materials. If the strength of the polypropylene material can be improved within the cost-controllable range, and the high-strength polypropylene can be applied to manufacturing automobile sunroof parts, the polypropylene is beneficial to reducing the automobile manufacturing cost.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide the high-strength automobile skylight reinforced polypropylene material with good strength.
In order to achieve the above object, the present invention adopts the following technical scheme:
the high-strength automobile skylight reinforced polypropylene material is prepared from the following raw materials in parts by weight:
48-67 parts of polypropylene;
8-10 parts of polytetrafluoroethylene;
1.4-3.2 parts of nucleating agent;
2.2-3.4 parts of coupling agent;
8-12 parts of compatilizer;
21-25 parts of glass fiber;
13-15 parts of flame retardant;
15-20 parts of modifier.
The melt index of the polypropylene is 10-100g/10min under the test condition of 230 ℃ and 2.16 KG.
The nucleating agent is di (3, 4-dimethyl dibenzylidene) sorbitol.
The coupling agent is a silane coupling agent.
The compatilizer is PP-G-GMA.
The length of the glass fiber is 2-3mm, and the diameter is 10-15 mu m.
The flame retardant is halogen-free intumescent flame retardant.
The modifier is one or more of talcum powder, shell powder and silicon dioxide.
The preparation method of the high-strength automobile skylight reinforced polypropylene material comprises the following steps:
polypropylene, polytetrafluoroethylene, a nucleating agent, a coupling agent and a compatilizer are uniformly mixed, then the modifier is added, stirring is continued, the mixed materials are uniformly stirred, the materials are placed in an extruder, glass fibers are added in the latter half of the extruder by adopting side feeding, and are subjected to melt extrusion granulation, wherein the temperature of melt extrusion is 190-230 ℃.
The invention has the advantages that: the high-strength reinforced polypropylene material for the automobile sunroof provided by the invention has obviously improved strength, modulus and thermal performance, is a novel environment-friendly material with good appearance, and has good mechanical properties as the material of the automobile sunroof component.
Detailed Description
The specific technical scheme of the invention is described with reference to the specific embodiment:
example 1
The high-strength automobile skylight reinforced polypropylene material is prepared from the following raw materials in parts by weight:
51 parts of polypropylene;
9 parts of polytetrafluoroethylene;
1.5 parts of nucleating agent;
3.4 parts of a coupling agent;
8 parts of a compatilizer;
22 parts of glass fiber;
14 parts of flame retardant;
16 parts of modifier.
The melt index of the polypropylene was 10g/10min at 230℃under 2.16KG test conditions.
The nucleating agent is di (3, 4-dimethyl dibenzylidene) sorbitol.
The coupling agent is a silane coupling agent and a silane heat stabilizer coupling agent.
The length of the glass fiber is 2-3mm, and the diameter is 10-15 mu m.
The flame retardant is an ammonium polyphosphate-pentaerythritol-melamine (APP-PER-MEL) ternary system.
The compatilizer is PP-G-GMA.
The modifier is talcum powder and shell powder.
The preparation method of the high-strength automobile skylight reinforced polypropylene material comprises the following steps:
polypropylene, polytetrafluoroethylene, a nucleating agent, a coupling agent and a compatilizer are uniformly mixed, then the modifier is added, stirring is continued, the mixed materials are uniformly stirred, the materials are placed in an extruder, glass fibers are added in the latter half of the extruder by adopting side feeding, and are subjected to melt extrusion granulation, wherein the temperature of melt extrusion is 190-230 ℃.
Example 2
The high-strength automobile skylight reinforced polypropylene material is prepared from the following raw materials in parts by weight:
65 parts of polypropylene;
8 parts of polytetrafluoroethylene;
2.6 parts of nucleating agent;
2.4 parts of a coupling agent;
10 parts of compatilizer;
24 parts of glass fiber;
13 parts of flame retardant;
20 parts of modifier.
The melt index of the polypropylene was 15g/10min at 230℃under 2.16KG test conditions.
The nucleating agent is sorbitol.
The coupling agent is a silane coupling agent and a silane heat stabilizer coupling agent.
The length of the glass fiber is 2-3mm, and the diameter is 10-15 mu m.
The flame retardant is expandable graphite.
The compatilizer is PP-G-GMA.
The modifier is silicon dioxide.
The preparation method of the high-strength automobile skylight reinforced polypropylene material comprises the following steps:
polypropylene, polytetrafluoroethylene, a nucleating agent, a coupling agent and a compatilizer are uniformly mixed, then the modifier is added, stirring is continued, the mixed materials are uniformly stirred, the materials are placed in an extruder, glass fibers are added in the latter half of the extruder by adopting side feeding, and are subjected to melt extrusion granulation, wherein the temperature of melt extrusion is 190-230 ℃.
Example 3
The high-strength automobile skylight reinforced polypropylene material is prepared from the following raw materials in parts by weight:
67 parts of polypropylene;
8 parts of polytetrafluoroethylene;
3.1 parts of nucleating agent;
3.4 parts of a coupling agent;
11 parts of a compatilizer;
24 parts of glass fiber;
15 parts of flame retardant;
15 parts of modifier.
Wherein the melt index of the polypropylene is 30g/10min at 230 ℃ under the test condition of 2.16 KG.
The nucleating agent is di (3, 4-dimethyl dibenzylidene) sorbitol.
The coupling agent is a silane coupling agent and a silane heat stabilizer coupling agent.
The length of the glass fiber is 2-3mm, and the diameter is 10-15 mu m.
The flame retardant is an ammonium polyphosphate-pentaerythritol-melamine (APP-PER-MEL) ternary system.
The compatilizer is PP-G-GMA.
The modifier is shell powder.
The preparation method of the high-strength automobile skylight reinforced polypropylene material comprises the following steps:
polypropylene, polytetrafluoroethylene, a nucleating agent, a coupling agent and a compatilizer are uniformly mixed, then the modifier is added, stirring is continued, the mixed materials are uniformly stirred, the materials are placed in an extruder, glass fibers are added in the latter half of the extruder by adopting side feeding, and are subjected to melt extrusion granulation, wherein the temperature of melt extrusion is 190-230 ℃.
Example 4
The high-strength automobile skylight reinforced polypropylene material is prepared from the following raw materials in parts by weight:
62 parts of polypropylene;
10 parts of polytetrafluoroethylene;
1.8 parts of nucleating agent;
2.8 parts of a coupling agent;
10 parts of compatilizer;
24 parts of glass fiber;
14 parts of flame retardant;
19 parts of modifier.
The melt index of the polypropylene was 100g/10min at 230℃under 2.16KG test conditions.
The nucleating agent is sorbitol.
The coupling agent is a silane coupling agent and a silane heat stabilizer coupling agent.
The length of the glass fiber is 2-3mm, and the diameter is 10-15 mu m.
The flame retardant is expandable graphite.
The compatilizer is PP-G-GMA.
The modifier is talcum powder.
The preparation method of the high-strength automobile skylight reinforced polypropylene material comprises the following steps:
polypropylene, polytetrafluoroethylene, a nucleating agent, a coupling agent and a compatilizer are uniformly mixed, then the modifier is added, stirring is continued, the mixed materials are uniformly stirred, the materials are placed in an extruder, glass fibers are added in the latter half of the extruder by adopting side feeding, and are subjected to melt extrusion granulation, wherein the temperature of melt extrusion is 190-230 ℃.
The high strength automotive sunroof reinforced polypropylene materials obtained IN examples 1-4 were subjected to performance testing, labeled according to the IN 53479 1976 plastic and elastomer test density measurement, and the results of the testing are shown IN table 1.
Table 1 test results of high strength automotive sunroof reinforced polypropylene material
From the test results, the materials obtained in examples 1 to 4 have good mechanical properties.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be appreciated by persons skilled in the art that the above embodiments are not intended to limit the invention in any way, and that all technical solutions obtained by means of equivalent substitutions or equivalent transformations fall within the scope of the invention.
Claims (9)
1. The high-strength automobile skylight reinforced polypropylene material is characterized by being prepared from the following raw materials in parts by weight:
48-67 parts of polypropylene;
8-10 parts of polytetrafluoroethylene;
1.4-3.2 parts of nucleating agent;
2.2-3.4 parts of coupling agent;
8-12 parts of compatilizer;
21-25 parts of glass fiber;
13-15 parts of flame retardant;
15-20 parts of modifier.
2. The high strength automotive sunroof reinforced polypropylene material according to claim 1, wherein: the melt index of the polypropylene is 10-100g/10min under the test condition of 230 ℃ and 2.16 KG.
3. The high strength automotive sunroof reinforced polypropylene material according to claim 1, wherein: the nucleating agent is di (3, 4-dimethyl dibenzylidene) sorbitol.
4. The high strength automotive sunroof reinforced polypropylene material according to claim 1, wherein: the coupling agent is a silane coupling agent.
5. The high strength automotive sunroof reinforced polypropylene material according to claim 1, wherein: the compatilizer is PP-G-GMA.
6. The high strength automotive sunroof reinforced polypropylene material according to claim 1, wherein: the length of the glass fiber is 2-3mm, and the diameter is 10-15 mu m.
7. The high strength automotive sunroof reinforced polypropylene material according to claim 1, wherein: the flame retardant is halogen-free intumescent flame retardant.
8. The high strength automotive sunroof reinforced polypropylene material according to claim 1, wherein: the modifier is one or more of talcum powder, shell powder and silicon dioxide.
9. A method for preparing the high-strength automobile sunroof reinforced polypropylene material according to any one of claims 1 to 8, comprising the following steps:
polypropylene, polytetrafluoroethylene, a nucleating agent, a coupling agent and a compatilizer are uniformly mixed, then the modifier is added, stirring is continued, the mixed materials are uniformly stirred, the materials are placed in an extruder, glass fibers are added in the latter half of the extruder by adopting side feeding, and are subjected to melt extrusion granulation, wherein the temperature of melt extrusion is 190-230 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211709528.7A CN116041849A (en) | 2022-12-29 | 2022-12-29 | High-strength automobile skylight reinforced polypropylene material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211709528.7A CN116041849A (en) | 2022-12-29 | 2022-12-29 | High-strength automobile skylight reinforced polypropylene material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116041849A true CN116041849A (en) | 2023-05-02 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211709528.7A Pending CN116041849A (en) | 2022-12-29 | 2022-12-29 | High-strength automobile skylight reinforced polypropylene material and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102492215A (en) * | 2011-11-14 | 2012-06-13 | 江苏金发科技新材料有限公司 | Wear-resistant glass fiber reinforced polypropylene compound and preparation method thereof |
| CN110669288A (en) * | 2019-10-17 | 2020-01-10 | 宁波万盛实业有限公司 | Novel polypropylene composite material and preparation method thereof |
| CN112708196A (en) * | 2020-12-18 | 2021-04-27 | 金发科技股份有限公司 | Reinforced polypropylene material and preparation method and application thereof |
| CN112724510A (en) * | 2020-12-18 | 2021-04-30 | 金发科技股份有限公司 | Reinforced polypropylene material and preparation method and application thereof |
-
2022
- 2022-12-29 CN CN202211709528.7A patent/CN116041849A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102492215A (en) * | 2011-11-14 | 2012-06-13 | 江苏金发科技新材料有限公司 | Wear-resistant glass fiber reinforced polypropylene compound and preparation method thereof |
| CN110669288A (en) * | 2019-10-17 | 2020-01-10 | 宁波万盛实业有限公司 | Novel polypropylene composite material and preparation method thereof |
| CN112708196A (en) * | 2020-12-18 | 2021-04-27 | 金发科技股份有限公司 | Reinforced polypropylene material and preparation method and application thereof |
| CN112724510A (en) * | 2020-12-18 | 2021-04-30 | 金发科技股份有限公司 | Reinforced polypropylene material and preparation method and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| 《中国化学工业年鉴》编辑部: "中国化学工业年鉴 第23卷 上", 31 December 2007, 中国化工信息中心, pages: 283 * |
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