CN117820838A - Novel PC material and processing method thereof - Google Patents
Novel PC material and processing method thereof Download PDFInfo
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- CN117820838A CN117820838A CN202311871728.7A CN202311871728A CN117820838A CN 117820838 A CN117820838 A CN 117820838A CN 202311871728 A CN202311871728 A CN 202311871728A CN 117820838 A CN117820838 A CN 117820838A
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- 239000000463 material Substances 0.000 title claims abstract description 59
- 238000003672 processing method Methods 0.000 title claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 46
- 239000000843 powder Substances 0.000 claims abstract description 22
- 239000003292 glue Substances 0.000 claims abstract description 16
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 238000004806 packaging method and process Methods 0.000 claims abstract description 6
- 239000012257 stirred material Substances 0.000 claims abstract description 6
- 238000005303 weighing Methods 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims abstract description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 17
- 239000003921 oil Substances 0.000 claims description 14
- 238000009792 diffusion process Methods 0.000 claims description 13
- 239000003063 flame retardant Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 7
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 5
- 239000008187 granular material Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 claims description 4
- 238000003786 synthesis reaction Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 2
- 239000000347 magnesium hydroxide Substances 0.000 claims description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 2
- 238000004090 dissolution Methods 0.000 claims 1
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 239000002861 polymer material Substances 0.000 abstract description 2
- 239000008188 pellet Substances 0.000 abstract 1
- 239000004417 polycarbonate Substances 0.000 description 26
- 229920007019 PC/ABS Polymers 0.000 description 5
- 239000000956 alloy Substances 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 239000007822 coupling agent Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- PYSRRFNXTXNWCD-UHFFFAOYSA-N 3-(2-phenylethenyl)furan-2,5-dione Chemical compound O=C1OC(=O)C(C=CC=2C=CC=CC=2)=C1 PYSRRFNXTXNWCD-UHFFFAOYSA-N 0.000 description 1
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920001875 Ebonite Polymers 0.000 description 1
- 229920000147 Styrene maleic anhydride Polymers 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
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- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to the field of high polymer materials, in particular to a novel PC material and a processing method thereof, wherein the novel PC material comprises the following components in percentage by mass: 85% of PC raw material, 6% of AS raw material, 5% of high-rubber powder and 4% of auxiliary agent. The novel PC material processing method comprises the following steps: weighing PC raw materials, AS raw materials, high-rubber powder and auxiliary agents; stirring the PC raw material, the AS raw material, the high-glue powder and the auxiliary agent; (C) placing the stirred materials into a double-screw extruder; (D) extruding from a twin screw extruder, cooling to form a strand; (E) cutting into pellets and packaging. The high temperature resistance of the novel PC material is obviously improved, the high temperature resistance can reach 115-118 ℃, the material is stable in size, the fireproof degree is V-0, the surface is black and bright, and the material is easy to bake and injection mold.
Description
Technical Field
The invention relates to the field of high polymer materials, in particular to a novel PC material and a processing method thereof.
Background
PC material (polycarbonate) is an amorphous thermoplastic engineering plastic with excellent optical transparency, excellent impact toughness and heat resistance, and is widely applied to the fields of electronic appliances, household appliances, automobiles, lighting equipment, medical treatment and the like. The PC material not only has excellent electrical insulation, heat resistance, dimensional stability and high impact strength, but also has the performances of self-extinguishment, flame retardance and the like, and is an important material in the fields of aerospace, electronic appliances and the like. However, PC materials have large viscosity, poor flowability, poor thermal conductivity, and are more difficult to process and shape after filler addition, which limit their further applications.
Chinese patent application CN102093692a discloses a PC/ABS heat conductive alloy material, which comprises the following components: according to parts by weight, 40-80 parts of PC, 60-20 parts of ABS, 2-8 parts of compatibilizer, 18-138 parts of inorganic heat conduction filler treated by coupling agent, 6-38 parts of asphalt-based carbon fiber and 0.2-1.0 part of antioxidant, wherein the content of the coupling agent accounts for 0.5-2.5% of the content of the inorganic heat conduction filler, the compatibilizer is ABS grafted maleic anhydride or styrene-maleic anhydride random copolymer, and the heat conduction inorganic filler is graphite, aluminum oxide, magnesium oxide, boron nitride or aluminum nitride, and the inorganic heat conduction filler and the asphalt-based carbon fiber are added in the preparation process of the PC/ABS alloy material so as to improve the heat conduction performance of the PC/ABS alloy material. However, the heat-conducting property of the PC/ABS alloy material can be improved to a certain extent by adopting the method, but the modification method is unfavorable for improving the high temperature resistance.
Disclosure of Invention
The invention aims to provide a novel PC material and a processing method thereof, which can meet the high temperature resistance requirement of the material.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a novel PC material comprising the following components: PC raw material, AS raw material, high-gel powder and auxiliary agent.
Wherein, the mass percentages of the components are as follows: 83-87% of PC raw material, 5-7% of AS raw material, 4-6% of high-rubber powder and 3-4% of auxiliary agent.
The auxiliary agent comprises diffusion oil, a fireproof agent, an anti-dripping agent, a compatilizer and a highlight black seed.
Preferably, the mass percentages of the raw material components are as follows: 85% of PC raw material, 6% of AS raw material, 5% of high-glue powder, 0.03% of diffusion oil, 0.03% of fire retardant, 0.02% of anti-dripping agent, 0.3% of compatilizer and 3.62% of highlight black.
The fire retardant is one of aluminum hydroxide, magnesium hydroxide and tricresyl phosphate.
The invention also discloses a novel PC material processing method, which comprises the following steps:
(A) Weighing PC raw materials, AS raw materials, high-gel powder and auxiliary agents in a certain mass percentage for standby;
(B) Placing the PC raw material, the AS raw material, the high rubber powder and the auxiliary agent into a stirrer for fully stirring, so that the materials are uniformly adhered;
(C) Heating the double-screw extruder, and then placing the stirred materials into a storage barrel of the double-screw extruder; (D) The materials are dissolved in a double-screw extruder, all the components of the materials are synthesized, dissolved and dispersed evenly to form glue,
extruding from a double-screw extruder, and cooling into strips by a supercooled water tank;
(E) And (5) feeding the materials into a granulator to cut into granules, and packaging.
Wherein the stirring time in step (B) is 2 minutes.
Wherein the twin screw extruder in step (C) is warmed to 245 ℃.
Wherein, the main machine rotating speed of the double-screw extruder in the step (D) is 400rpm and the rotating speed of the feeding machine is 400rpm
150rpm。
Wherein the host current of the twin-screw extruder in the step (D) is controlled within 200A, and the extrusion vacuum pump pressure of the twin-screw extruder is controlled to 0.8MPa. Is favorable for extracting impurities, oil quality and water.
Detailed Description
Introduction of raw materials
Specific examples of the present invention are described below in terms of material composition, proportions, specific preparation steps, test results, and the like.
Example 1:
1. the components and the proportion of the materials
| Component (A) | Proportioning (in mass percent) | |
| (1) | PC raw material | 83％ |
| (2) | AS raw material | 7％ |
| (3) | High-glue powder | 6％ |
| (4) | Diffusion oil | 0.03％ |
| (5) | Aluminum hydroxide | 0.03％ |
| (6) | Anti-dripping agent | 0.02％ |
| (7) | Compatibilizing agent | 0.3％ |
| (8) | Gao Guanghei kinds of | 3.62％ |
2. The method comprises the following specific steps
(1) Weighing PC raw material, AS raw material, high-gel powder, diffusion oil, fire retardant, etc. according to the material proportion,
An anti-dripping agent, a compatilizer and a highlight black seed for standby;
(2) The PC raw material, AS raw material, high-glue powder, diffusion oil, fire retardant and anti-dripping agent,
Placing the compatilizer and the highlight black seeds into a stirrer to be fully stirred for 2 minutes, so that the materials are uniformly adhered;
(3) Firstly, heating the double-screw extruder to 245 ℃, and then placing the stirred materials into a storage barrel of the double-screw extruder;
(4) Dissolving the materials in a double-screw extruder, carrying out synthesis, miscibility and dispersion on the components of the materials to form glue, extruding from the double-screw extruder, controlling the rotation speed of a main machine of the double-screw extruder to be 400rpm and the rotation speed of a feeding machine to be 150rpm, controlling the current of the main machine to be within 200A, controlling the pressure of an extruded vacuum pump to be 0.8MPa, and cooling the extruded vacuum pump into strips by a cooling water tank;
(5) And (5) feeding the materials into a granulator to cut into granules, and packaging.
Example 2:
1. the components and the proportion of the materials
| Component (A) | Proportioning (in mass percent) | |
| (1) | PC raw material | 85％ |
| (2) | AS raw material | 6％ |
| (3) | High-glue powder | 5％ |
| (4) | Diffusion oil | 0.03％ |
| (5) | Aluminum hydroxide | 0.03％ |
| (6) | Anti-dripping agent | 0.02％ |
| (7) | Compatibilizing agent | 0.3％ |
| (8) | Gao Guanghei kinds of | 3.62％ |
2. The method comprises the following specific steps
(1) Weighing PC raw material, AS raw material, high-gel powder, diffusion oil, fire retardant, etc. according to the material proportion,
An anti-dripping agent, a compatilizer and a highlight black seed for standby;
(2) The PC raw material, AS raw material, high-glue powder, diffusion oil, fire retardant and anti-dripping agent,
Placing the compatilizer and the highlight black seeds into a stirrer to be fully stirred for 2 minutes, so that the materials are uniformly adhered;
(3) Firstly, heating the double-screw extruder to 245 ℃, and then placing the stirred materials into a storage barrel of the double-screw extruder;
(4) Dissolving the materials in a double-screw extruder, carrying out synthesis, miscibility and dispersion on the components of the materials to form glue, extruding from the double-screw extruder, controlling the rotation speed of a main machine of the double-screw extruder to be 400rpm and the rotation speed of a feeding machine to be 150rpm, controlling the current of the main machine to be within 200A, controlling the pressure of an extruded vacuum pump to be 0.8MPa, and cooling the extruded vacuum pump into strips by a cooling water tank;
(5) And (5) feeding the materials into a granulator to cut into granules, and packaging.
Example 3:
1. the components and the proportion of the materials
| Component (A) | Proportioning (in mass percent) | |
| (1) | PC raw material | 86％ |
| (2) | AS raw material | 5％ |
| (3) | High-glue powder | 5％ |
| (4) | Diffusion oil | 0.03％ |
| (5) | Aluminum hydroxide | 0.03％ |
| (6) | Anti-dripping agent | 0.02％ |
| (7) | Compatibilizing agent | 0.3％ |
| (8) | Gao Guanghei kinds of | 3.62％ |
2. The method comprises the following specific steps
(1) Weighing PC raw material, AS raw material, high-gel powder, diffusion oil, fire retardant, etc. according to the material proportion,
An anti-dripping agent, a compatilizer and a highlight black seed for standby;
(2) The PC raw material, AS raw material, high-glue powder, diffusion oil, fire retardant and anti-dripping agent,
Placing the compatilizer and the highlight black seeds into a stirrer to be fully stirred for 2 minutes, so that the materials are uniformly adhered;
(3) Firstly, heating the double-screw extruder to 245 ℃, and then placing the stirred materials into a storage barrel of the double-screw extruder;
(4) Dissolving the materials in a double-screw extruder, carrying out synthesis, miscibility and dispersion on the components of the materials to form glue, extruding from the double-screw extruder, controlling the rotation speed of a main machine of the double-screw extruder to be 400rpm and the rotation speed of a feeding machine to be 150rpm, controlling the current of the main machine to be within 200A, controlling the pressure of an extruded vacuum pump to be 0.8MPa, and cooling the extruded vacuum pump into strips by a cooling water tank;
(5) And (5) feeding the materials into a granulator to cut into granules, and packaging.
Testing and results thereof
1. Test standard
GB/T1634.2-2019 determination of Plastic-load deformation temperature part 2 plastics and hard rubber.
2. Test method
A method using a bending stress of 1.8 MPa.
3. Preparation of samples
Samples 1 to 3 were prepared from the novel PC materials processed in examples 1 to 3, respectively, and sample 4 was prepared from a general PC/ABS material.
4. The test results are shown in the following Table
| Heat distortion temperature (DEG C) | |
| Sample 1 | 118 |
| Sample 2 | 116 |
| Sample 3 | 115 |
| Sample 4 | 95 |
Therefore, the high temperature resistance of the novel PC material is obviously improved, the temperature resistance can reach 115-118 ℃, the material size is stable, the fireproof degree V-0 is high, the surface is black and bright, and the material is easy to bake and injection mold.
Variations and modifications to the above would be obvious to persons skilled in the art to which the invention pertains from the foregoing description and teachings. Therefore, the invention is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the invention should be also included in the scope of the claims of the invention. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not constitute any limitation on the invention.
Claims (10)
1. The novel PC material is characterized by comprising the following components: PC raw material, AS raw material, high-gel powder and auxiliary agent.
2. The novel PC material of claim 1, wherein the mass percentages of the components: 83-87% of PC raw material, 5-7% of AS raw material, 4-6% of high-rubber powder and 3-4% of auxiliary agent.
3. The novel PC material according to claim 1 or 2, characterized in that the auxiliary agents include diffusion oils, fire retardants, anti-drip agents, compatibilizers and high gloss black seeds.
4. The novel PC material of claim 3, wherein the mass percentages of the components are: 85% of PC raw material, 6% of AS raw material, 5% of high-glue powder, 0.03% of diffusion oil, 0.03% of fire retardant, 0.02% of anti-dripping agent, 0.3% of compatilizer and 3.62% of highlight black.
5. The novel PC material according to claim 1 or 2, wherein the fire retardant is one of aluminum hydroxide, magnesium hydroxide and tricresyl phosphate.
6. The novel PC material processing method as claimed in claims 1 to 5, comprising the steps of:
(A) Weighing PC raw materials, AS raw materials, high-gel powder and auxiliary agents in a certain mass percentage for standby;
(B) Placing the PC raw material, the AS raw material, the high rubber powder and the auxiliary agent into a stirrer for fully stirring, so that the materials are uniformly adhered;
(C) Heating the double-screw extruder, and then placing the stirred materials into a storage barrel of the double-screw extruder;
(D) Dissolving the materials in a double-screw extruder, carrying out synthesis, mutual dissolution and uniform dispersion on each component of the materials to form glue, extruding the glue from the double-screw extruder, and cooling the glue into strips by a supercooled water tank;
(E) And (5) feeding the materials into a granulator to cut into granules, and packaging.
7. The novel PC material processing method according to claim 6, wherein the stirring time in the step (B) is 2 minutes.
8. The novel PC material processing method according to claim 6, wherein the twin screw extruder in step (C) is heated to 245 ℃.
9. The novel process for producing PC material according to claim 6, wherein the twin-screw extruder in the step (D) has a main machine rotation speed of 400rpm and a feeder rotation speed of 150rpm.
10. The novel PC material processing method according to claim 6, wherein the main machine current of the twin-screw extruder in the step (D) is controlled to be within 200A, and the extrusion vacuum pump pressure of the twin-screw extruder is controlled to be 0.8MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311871728.7A CN117820838A (en) | 2023-12-29 | 2023-12-29 | Novel PC material and processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311871728.7A CN117820838A (en) | 2023-12-29 | 2023-12-29 | Novel PC material and processing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117820838A true CN117820838A (en) | 2024-04-05 |
Family
ID=90505810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311871728.7A Pending CN117820838A (en) | 2023-12-29 | 2023-12-29 | Novel PC material and processing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117820838A (en) |
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2023
- 2023-12-29 CN CN202311871728.7A patent/CN117820838A/en active Pending
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