CN115926322A - Automobile lightweight polypropylene composite material and preparation method thereof - Google Patents
Automobile lightweight polypropylene composite material and preparation method thereof Download PDFInfo
- Publication number
- CN115926322A CN115926322A CN202211727589.6A CN202211727589A CN115926322A CN 115926322 A CN115926322 A CN 115926322A CN 202211727589 A CN202211727589 A CN 202211727589A CN 115926322 A CN115926322 A CN 115926322A
- Authority
- CN
- China
- Prior art keywords
- polypropylene
- antioxidant
- parts
- composite material
- polypropylene composite
- 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
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 64
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 63
- -1 polypropylene Polymers 0.000 title claims abstract description 59
- 239000002131 composite material Substances 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims description 6
- 239000000463 material Substances 0.000 claims abstract description 39
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 29
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 29
- 239000012745 toughening agent Substances 0.000 claims abstract description 16
- 239000011521 glass Substances 0.000 claims abstract description 15
- 239000002270 dispersing agent Substances 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 229920002748 Basalt fiber Polymers 0.000 claims abstract description 7
- 239000007822 coupling agent Substances 0.000 claims abstract description 7
- 229920005629 polypropylene homopolymer Polymers 0.000 claims abstract description 5
- 239000011324 bead Substances 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 229920002943 EPDM rubber Polymers 0.000 claims description 6
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 4
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical class C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 2
- 229920006124 polyolefin elastomer Polymers 0.000 claims description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 2
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 claims description 2
- 239000002861 polymer material Substances 0.000 abstract description 2
- 239000011325 microbead Substances 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical group CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 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 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 235000012222 talc Nutrition 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
An automobile lightweight polypropylene composite material relates to the technical field of high polymer materials, and comprises the following materials in parts by weight: polypropylene: 80 parts of a mixture; a toughening agent: 10 parts of (A); basalt fiber: 0-10 parts; hollow glass micro-beads (density of 0.45-0.60 g/cm) 3 ): 0-7 parts; coupling agent: 0.5 part; antioxidant: 0.6 part; dispersing agent: 0.5 part; wherein the polypropylene consists of homo-polypropylene and co-polypropylene, and the homo-polypropylene and the co-polypropyleneThe mixture ratio of (A) is 3:1.
Description
Technical Field
The invention relates to the technical field of high polymer materials, in particular to an automobile lightweight polypropylene composite material and a preparation method thereof.
Background
The polypropylene (PP for short) has good processing performance, excellent mechanical, physical and chemical properties, light weight and low price, is widely applied to interior and exterior trimming parts of automobiles, such as door plates, instrument panels, stand columns, seat guard plates, bumpers and the like, and is the universal thermoplastic plastic with the highest growth speed at present. With the rapid development of the automobile industry, light weight, comfort, green and environmental protection become the main direction of the development of the automobile industry. The automobile lightweight technology can reduce the weight of the automobile body and reduce the oil consumption, and is one of important measures for realizing energy conservation and emission reduction. With the requirement of light weight of automobiles, polypropylene has become the most widely used and most used plastic material for automobiles due to the advantages of good mechanical property, low density, good chemical corrosion resistance and the like, and accounts for about 50% of the total usage of automobile plastic. Currently, the main method of modifying polypropylene is by the addition of talc to achieve the desired stiffness properties, which results in polypropylene composites having relatively high final densities, on the order of 1.0 to 1.2g/cm 3 The higher density of the polypropylene compound can not meet the manufacturing requirements of automobile exterior parts and does not meet the development trend of light weight of automobile parts.
In order to further reduce the weight, the lightweight design of the plastic part is a new research and application point of models of various host factories at home and abroad; meanwhile, in the process of light weight, the requirement of personalized design of the automobile is also required to be met, and on the basis, an excellent comprehensive performance composite modified polypropylene material is required to meet the requirements of the two points.
Disclosure of Invention
In order to solve the problems of the prior art, the invention provides an automobile lightweight polypropylene composite material.
The purpose of the invention can be realized by the following technical scheme: the lightweight polypropylene composite material for the automobile comprises the following materials in parts by weight:
polypropylene: 80 parts of a mixture;
a toughening agent: 10 parts of a binder;
basalt fiber: 0-10 parts;
hollow glass beads (density of 0.45-0.60 g/cm) 3 ): 0-7 parts;
coupling agent: 0.5 part;
antioxidant: 0.6 part;
dispersing agent: 0.5 part;
the polypropylene is composed of homopolymerized polypropylene and copolymerized polypropylene, and the proportion of the homopolymerized polypropylene and the copolymerized polypropylene is 3:1.
Preferably, the toughening agent is composed of one or more of polyolefin elastomer POE, hydrogenated styrene-butadiene block copolymer SEBS, ethylene propylene diene monomer EPDM and ethylene propylene diene monomer.
Preferably, the toughening agent is high flow POE (190 ℃ 2.16kg melt 30g/10 min).
Preferably, the antioxidant consists of a main antioxidant and an auxiliary antioxidant, the ratio of the main antioxidant to the auxiliary antioxidant is 2:1, and the main antioxidant consists of one or more of an antioxidant 1010, an antioxidant 1076 and an antioxidant 3114.
Preferably, the coupling agent is a silane coupling agent (6001).
Preferably, the dispersant is an EBS dispersant.
The invention provides a preparation method of an automobile lightweight polypropylene composite material, which comprises the following steps:
s1: adding the homo-polypropylene, the co-polypropylene and the toughening agent into a high-speed mixer, and uniformly mixing to obtain a primary mixed material;
s2: adding basalt fibers, an antioxidant, a dispersing agent and a coupling agent into the primary mixed material obtained in the step S1, mixing for 8min at the high-speed mixer of 400rpm/min, and discharging to obtain a mixture;
s3: and (3) adding the mixture obtained in the step (S2) into a double-screw extruder for mixing, adding hollow glass beads into a side feeding port of the screw extruder in the extrusion process, cooling the extruded material to room temperature by water, drying and granulating by a granulator.
Preferably, in step S3, the temperatures of the zones of the screw extruder are: 210 deg.C, 220 deg.C, 225 deg.C, 230 deg.C, 240 deg.C.
Preferably, in step S3, the screw rotation speed is 350rpm/min, the vacuum degree is-0.08 MPa, and the granulator rotation speed is 750rpm.
The invention has the beneficial effects that: the polypropylene of the invention is composed of homopolymerized polypropylene and copolymerized polypropylene, the copolymerized polypropylene is added to ensure that the material has better toughness and impact resistance, the homopolymerized polypropylene is added to ensure that the material has increased strength and rigidity, and the two kinds of polypropylene are compounded for use, thereby achieving the aim of balancing rigidity and toughness of the material.
The talcum powder and the hollow glass bead are adopted as two fillers, so that the bending strength and the bending modulus of the material can be effectively increased, and the hollow glass bead can obtain a good weight reduction effect and achieve the purpose of light weight; in addition, the hollow glass beads have a closed hollow structure, so that the hollow glass beads can have good dispersibility in polypropylene, the hollow structure can effectively reduce the density and shrinkage rate of the material, simultaneously improve the noise blocking and absorbing capacity of the material, and cannot influence the rigidity of the material.
The toughening agent adopts high-flow POE (melting 30g/10min at 190 ℃ under 2.16 kg), so that the scratch resistance and the high fluidity of the material can be enhanced; the addition of the toughening agent can also enable the microstructure of the material to generate different phase states so as to change the refractive index, thereby improving the light transmittance of the material and improving the glossiness of the modified material.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The purpose of the invention can be realized by the following technical scheme: the light-weight polypropylene composite material for the automobile comprises the following materials in parts by mass:
polypropylene: 80 parts of a binder;
toughening agent (high flow POE 190 ℃ 2.16kg melt 30g/10 min): 10 parts of a binder;
basalt fiber: 0-10 parts;
hollow glass beads (density of 0.45-0.60 g/cm) 3 ): 0-7 parts;
silane coupling agent (6001): 0.5 part;
antioxidant: 0.6 part;
EBS dispersant: 0.5 part;
the polypropylene is composed of homopolymerized polypropylene and copolymerized polypropylene, and the proportion of the homopolymerized polypropylene and the copolymerized polypropylene is 3:1.
The antioxidant comprises a main antioxidant and an auxiliary antioxidant, the proportion of the main antioxidant to the auxiliary antioxidant is 2:1, the main antioxidant comprises one or more of an antioxidant 1010, an antioxidant 1076 and an antioxidant 3114, and the auxiliary antioxidant is an antioxidant 168.
The invention provides a preparation method of an automobile lightweight polypropylene composite material, which comprises the following steps:
s1: adding the homo-polypropylene, the co-polypropylene and the toughening agent into a high-speed mixer, and uniformly mixing to obtain a primary mixed material;
s2: adding basalt fibers, an antioxidant (a main antioxidant 1010/an auxiliary antioxidant 168), an EBS dispersant and a silane coupling agent (6001) into the primary mixed material obtained in the step S1, mixing at a high mixer rotation speed of 400rpm/min for 8min, and discharging to obtain a mixture;
s3: and (3) adding the mixture obtained in the step (S2) into a double-screw extruder for mixing, adding hollow glass beads into a side feeding port of the screw extruder in the extrusion process, cooling the extruded material to room temperature by water, drying and granulating by a granulator.
Wherein the temperature of each zone of the screw extruder is as follows: 210 deg.C, 220 deg.C, 225 deg.C, 230 deg.C, 240 deg.C; the screw rotating speed is 350rpm/min, the vacuum degree is-0.08 MPa, and the rotating speed of the granulator is 750rpm.
The polypropylene of the invention is composed of homopolymerized polypropylene and copolymerized polypropylene, the copolymerized polypropylene is added to ensure that the material has better toughness and impact resistance, the homopolymerized polypropylene is added to ensure that the material has increased strength and rigidity, and the two kinds of polypropylene are compounded for use, thereby achieving the aim of balancing rigidity and toughness of the material.
The talcum powder and the hollow glass beads are adopted as the two fillers, so that the bending strength and the bending modulus of the material can be effectively increased, and the hollow glass beads can obtain a good weight reduction effect and achieve the purpose of light weight; in addition, the hollow glass beads have a closed hollow structure, so that the hollow glass beads can have good dispersibility in polypropylene, the hollow structure can effectively reduce the density and shrinkage rate of the material, simultaneously improve the noise blocking and absorbing capacity of the material, and cannot influence the rigidity of the material.
The toughening agent adopts high-flow POE (2.16 kg melt at 190 ℃ for 30g/10 min), so that the scratch resistance and the high fluidity of the material can be enhanced; the addition of the toughening agent can also enable the microstructure of the material to generate different phase states so as to change the refractive index, thereby improving the light transmittance of the material and improving the glossiness of the modified material.
The present invention provides several sets of examples of different material ratios and comparative examples, as shown in table 1.
TABLE 1 specific examples and comparative component ratios
Table 2 shows the data of the performance parameters of the examples and comparative examples in Table 1 after experimental testing.
TABLE 2 Experimental data
| Performance of | Example 1 | Example 2 | Example 3 | Example 4 | Comparative example 1 |
| Density (g/cm) 3 ) | 0.95 | 0.94 | 0.93 | 0.92 | 0.96 |
| Flexural Strength (MPa) | 30.3 | 32.8 | 32.1 | 33.2 | 29 |
| Flexural modulus (MPa) | 2715 | 2893 | 2956 | 3023 | 2605 |
| Notched izod impact 23 deg.c | 43 | 44 | 45 | 47 | 38 |
The experimental data set out above indicate: according to the automobile lightweight polypropylene composite material prepared by the invention, through the use of the toughening agent and the filler, the highest impact strength of a cantilever beam notch can reach 40 KJ/square meter at the normal temperature of 23 ℃, the density is 0.92-0.95g/cm & lt 3 & gt, the bending strength is more than 33MPa, and the bending modulus is more than 3000MPa, so that the material has better rigidity and toughness, and the requirement of the lightweight material can be met.
The invention has been described above with reference to preferred embodiments, but the scope of protection of the invention is not limited thereto, and all technical solutions falling within the scope of the claims are within the scope of protection of the invention. Various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict.
Claims (9)
1. The light-weight polypropylene composite material for the automobile is characterized by comprising the following materials in parts by weight: polypropylene: 80 parts of a mixture;
a toughening agent: 10 parts of (A);
basalt fiber: 0-10 parts;
hollow glass beads (density of 0.45-0.60g/cm 3): 0-7 parts;
coupling agent: 0.5 part;
antioxidant: 0.6 part;
dispersing agent: 0.5 part;
the polypropylene consists of homopolymerized polypropylene and copolymerized polypropylene, and the proportion of the homopolymerized polypropylene and the copolymerized polypropylene is 3:1.
2. The automobile lightweight polypropylene composite material as claimed in claim 1, wherein the toughening agent is composed of one or more of polyolefin elastomer POE, hydrogenated styrene-butadiene block copolymer SEBS, ethylene propylene diene monomer EPDM, and ethylene propylene diene monomer.
3. The automotive light weight polypropylene composite of claim 1, wherein the toughening agent is high flow POE (190 ℃ 2.16kg melt 30g/10 min).
4. The automobile lightweight polypropylene composite material as claimed in claim 1, wherein the antioxidant comprises a primary antioxidant and a secondary antioxidant, the ratio of the primary antioxidant to the secondary antioxidant is 2:1, and the primary antioxidant comprises one or more of antioxidant 1010, antioxidant 1076 and antioxidant 3114.
5. The automotive light-weight polypropylene composite according to claim 1, wherein the coupling agent is a silane coupling agent (6001).
6. The automotive light-weight polypropylene composite according to claim 1, wherein the dispersant is an EBS dispersant.
7. The preparation method of the automobile lightweight polypropylene composite material is characterized by comprising the following steps of:
s1: adding the homo-polypropylene, the co-polypropylene and the toughening agent into a high-speed mixer, and uniformly mixing to obtain a primary mixed material;
s2: adding basalt fibers, an antioxidant, a dispersing agent and a coupling agent into the primary mixed material obtained in the step S1, mixing for 8min at the high-speed mixer of 400rpm/min, and discharging to obtain a mixture;
s3: and (3) adding the mixture obtained in the step (S2) into a double-screw extruder for mixing, adding hollow glass beads into a side feeding port of the screw extruder in the extrusion process, cooling the extruded material to room temperature by water, drying and granulating by a granulator.
8. The method for preparing an automotive light weight polypropylene composite material according to claim 7, wherein in step S3, the temperatures of the zones of the screw extruder are as follows: 210 deg.C, 220 deg.C, 225 deg.C, 230 deg.C, 240 deg.C.
9. The method for preparing the automotive lightweight polypropylene composite material according to claim 7, wherein in step S3, the screw rotation speed is 350rpm/min, the vacuum degree is-0.08 MPa, and the granulator rotation speed is 750rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211727589.6A CN115926322A (en) | 2022-12-30 | 2022-12-30 | Automobile lightweight polypropylene composite material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211727589.6A CN115926322A (en) | 2022-12-30 | 2022-12-30 | Automobile lightweight polypropylene composite material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115926322A true CN115926322A (en) | 2023-04-07 |
Family
ID=86557585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211727589.6A Pending CN115926322A (en) | 2022-12-30 | 2022-12-30 | Automobile lightweight polypropylene composite material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115926322A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102492221A (en) * | 2011-12-04 | 2012-06-13 | 上海金发科技发展有限公司 | Low-density polypropylene compound filled with hollow glass beads and preparation method thereof |
| CN104151702A (en) * | 2014-08-06 | 2014-11-19 | 延锋彼欧汽车外饰系统有限公司 | Low-intensity polypropylene compound filled with hollow glass beads |
| CN106479057A (en) * | 2016-11-08 | 2017-03-08 | 中钢集团马鞍山矿山研究院有限公司 | A kind of low-density and high-strength modified polypropylene material and production method |
| CN108503953A (en) * | 2018-04-25 | 2018-09-07 | 横店集团得邦工程塑料有限公司 | A kind of modified high crystalline PP composite material and preparation method thereof |
| CN110283384A (en) * | 2019-07-17 | 2019-09-27 | 苏州禾润昌新材料有限公司 | A kind of high glaze high-strength basalt reinforced polypropylene compound material and preparation method |
| CN112708201A (en) * | 2021-01-11 | 2021-04-27 | 郑州圣莱特空心微珠新材料有限公司 | Preparation method of door panel material and automobile door panel |
| CN113563667A (en) * | 2021-07-28 | 2021-10-29 | 重庆普利特新材料有限公司 | Light-weight modified polypropylene composite material for compound filled bumper and preparation method thereof |
-
2022
- 2022-12-30 CN CN202211727589.6A patent/CN115926322A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102492221A (en) * | 2011-12-04 | 2012-06-13 | 上海金发科技发展有限公司 | Low-density polypropylene compound filled with hollow glass beads and preparation method thereof |
| CN104151702A (en) * | 2014-08-06 | 2014-11-19 | 延锋彼欧汽车外饰系统有限公司 | Low-intensity polypropylene compound filled with hollow glass beads |
| CN106479057A (en) * | 2016-11-08 | 2017-03-08 | 中钢集团马鞍山矿山研究院有限公司 | A kind of low-density and high-strength modified polypropylene material and production method |
| CN108503953A (en) * | 2018-04-25 | 2018-09-07 | 横店集团得邦工程塑料有限公司 | A kind of modified high crystalline PP composite material and preparation method thereof |
| CN110283384A (en) * | 2019-07-17 | 2019-09-27 | 苏州禾润昌新材料有限公司 | A kind of high glaze high-strength basalt reinforced polypropylene compound material and preparation method |
| CN112708201A (en) * | 2021-01-11 | 2021-04-27 | 郑州圣莱特空心微珠新材料有限公司 | Preparation method of door panel material and automobile door panel |
| CN113563667A (en) * | 2021-07-28 | 2021-10-29 | 重庆普利特新材料有限公司 | Light-weight modified polypropylene composite material for compound filled bumper and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103665540B (en) | A kind of delustring PP composite material and preparation method thereof | |
| CN103254653B (en) | Basalt fibre strengthens wood plastic composite and preparation method thereof | |
| CN103524878B (en) | A kind of modified polypropylene composite material and its production and use | |
| CN101314660A (en) | Method for preparing high impact modified material with waste and old polystyrene plastics | |
| CN101875790B (en) | Preparation method of surface hydrolysis modified aramid fiber enhanced wood plastic composite material | |
| CN111154188A (en) | High-wave-transmittance polypropylene composite material and preparation method thereof | |
| CN107200919A (en) | A kind of injection grade micro-foaming polypropylene composite material and preparation method thereof | |
| CN102558665B (en) | Polypropene composition that a kind of automotive upholstery is used and preparation method thereof | |
| CN109354866B (en) | High-damping low-gloss nylon 6/ABS alloy material and preparation method thereof | |
| CN101993563A (en) | Preparation method of special polypropylene materials for automobile bumper | |
| CN110951163A (en) | High-surface-tension low-density polypropylene composite material and preparation method thereof | |
| CN110655708A (en) | Low-density polypropylene composite material with excellent comprehensive performance and preparation method thereof | |
| CN110283386A (en) | Take into account the thermoplastic elastomer (TPE) and preparation method thereof of low-k and anti-flammability | |
| CN104861287A (en) | Whisker-modifying PP composite material used for automobile meter desk and preparation method thereof | |
| CN104558833B (en) | Good polypropylene modified material of a kind of scratch performance and preparation method thereof | |
| CN113603921A (en) | Micro-foaming high-wave-permeability reinforced polypropylene material and preparation method thereof | |
| CN112300490A (en) | Micro-foaming polypropylene composite material and preparation method and application thereof | |
| CN110655719A (en) | High-rigidity high-toughness low-density polypropylene composition and preparation method thereof | |
| CN106751353A (en) | A kind of low-density that can be used for thin-walled property moulding, high-performance polypropylene compound material and preparation method thereof | |
| CN111978641A (en) | High-modulus, high-fluidity and high-impact-resistance glass fiber reinforced polypropylene composite material and preparation method thereof | |
| CN109942963A (en) | A kind of formula and preparation method of the PP modified material applied to high-intensitive rainwater module | |
| CN103665570B (en) | A kind of ultralow-temperature flexibility polypropene composition and preparation method thereof | |
| CN108276725A (en) | A kind of nanometer composite polypropylene material and preparation method thereof of super-high fluidity, high rigidity, high-impact | |
| CN108276684A (en) | A kind of nanometer composite polypropylene material and preparation method thereof for lightweight injection-moulded plastic part | |
| CN115926322A (en) | Automobile lightweight polypropylene composite material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |