CN113817275A - GPPS transparent toughening modified material and preparation method thereof - Google Patents
GPPS transparent toughening modified material and preparation method thereof Download PDFInfo
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- CN113817275A CN113817275A CN202111151834.9A CN202111151834A CN113817275A CN 113817275 A CN113817275 A CN 113817275A CN 202111151834 A CN202111151834 A CN 202111151834A CN 113817275 A CN113817275 A CN 113817275A
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- chain extender
- antioxidant
- styrene
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- 239000000463 material Substances 0.000 title claims abstract description 52
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000004970 Chain extender Substances 0.000 claims abstract description 26
- 229920003048 styrene butadiene rubber Polymers 0.000 claims abstract description 24
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 19
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 19
- 230000004048 modification Effects 0.000 claims description 18
- 238000012986 modification Methods 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 8
- 239000002270 dispersing agent Substances 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 238000005303 weighing Methods 0.000 claims description 4
- 229920005692 JONCRYL® Polymers 0.000 claims description 3
- 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 group 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 3
- 238000000034 method Methods 0.000 claims description 2
- 239000011347 resin Substances 0.000 abstract description 4
- 229920005989 resin Polymers 0.000 abstract description 4
- 230000003064 anti-oxidating effect Effects 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 4
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 4
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 4
- 238000002834 transmittance Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 244000198896 Lagerstroemia speciosa Species 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 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
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/06—Polystyrene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
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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 discloses a GPPS transparent toughening modified material and a preparation method thereof, wherein the GPPS transparent toughening modified material comprises the following components in parts by weight: the anti-oxidation coating comprises, by weight, 27-49.7 parts of GPPS, 50-70 parts of a styrene-butadiene copolymer, 0.1-1 part of a chain extender, 0.1-1 part of an antioxidant and 0.1-1 part of a diffusant. The GPPS material is compositely modified by the styrene-butadiene copolymer and the chain extender, so that the impact strength and the toughness of the GPPS material are improved, and meanwhile, the styrene-butadiene copolymer is transparent resin and cannot influence the transparency of the GPPS material.
Description
Technical Field
The invention relates to the technical field of high polymer materials, in particular to a GPPS transparent toughening modified material and a preparation method thereof.
Background
At present, the materials applied to the LED light bar are mainly ABS (acrylonitrile-butadiene-styrene copolymer) materials, but the price of the ABS materials is higher, so that the price of the LED is higher, and the LED illumination trend is limited to common people. In order to popularize LED light bars, a new material is sought to replace an ABS material to reduce the cost, GPPS is adopted as a replacement material at present, but a common GPPS (general purpose polystyrene) material has good light transmittance and transparency, but has poor strength, and is easy to crack in the production and subsequent assembly processes.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a GPPS transparent toughening modified material and a preparation method thereof.
The invention discloses a GPPS transparent toughening modified material which comprises the following components in parts by weight:
GPPS: 27-49.7 parts
Styrene-butadiene copolymer: 50-70 parts of
0.1-1 part of chain extender
Antioxidant: 0.1 to 1 portion
0.1-1 part of dispersing agent.
According to one embodiment of the invention, the GPPS transparent toughening modification material comprises the following components in parts by weight:
GPPS: 33.2 to 44.4 portions of
Styrene-butadiene copolymer: 55 to 65 portions of
0.2-0.6 part of chain extender
Antioxidant: 0.2 to 0.6 portion
0.2 to 0.6 portion of diffusant.
According to one embodiment of the invention, the chain extender is the Pasteur chain extender Joncryl ADR-4400.
According to one embodiment of the invention, the antioxidant is antioxidant 1010.
According to an embodiment of the present invention, the diffusing agent is queen flower diffusing agent EBS.
A preparation method of a GPPS transparent toughening modified material comprises the following steps:
(1) weighing GPPS, a styrene-butadiene copolymer, a chain extender, an antioxidant and a diffusant, and pouring into a mixer for fully mixing to obtain a mixture for later use;
(2) melting, blending, extruding and granulating the mixture by using a screw extruder.
According to an embodiment of the present invention, in the step (2), the screw extruder is a twin-screw extruder.
According to an embodiment of the present invention, in the step (2), the feeding speed of the screw extruder is 8 to 13 r/min.
According to an embodiment of the present invention, in the step (2), the main machine rotation speed of the screw extruder is 380 to 420 r/min.
According to an embodiment of the invention, in the step (2), the temperature of the first zone of the screw extruder is 160-.
The beneficial effect of this application lies in: the GPPS material is compositely modified by the styrene-butadiene copolymer and the chain extender, so that the impact strength and the toughness of the GPPS material are improved, and meanwhile, the styrene-butadiene copolymer is transparent resin and cannot influence the transparency of the GPPS material.
Detailed Description
In the following description, numerous implementation details are set forth in order to provide a thorough understanding of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary.
The GPPS transparent toughening modification material in the embodiment comprises the following components in parts by weight: the anti-oxidation coating comprises, by weight, 27-49.7 parts of GPPS, 50-70 parts of a styrene-butadiene copolymer, 0.1-1 part of a chain extender, 0.1-1 part of an antioxidant and 0.1-1 part of a diffusant. Further, the GPPS transparent toughening modification material comprises the following components in parts by weight: 33.2-44.4 parts of GPPS, 55-65 parts of styrene-butadiene copolymer, 0.2-0.6 part of chain extender, 0.2-0.6 part of antioxidant and 0.2-0.6 part of diffusant.
Preferably, the chain extender is a Basf chain extender Joncryl ADR-4400, the antioxidant is an antioxidant 1010, and the diffusant is a Huawang diffusant EBS.
A preparation method of a GPPS transparent toughening modified material comprises the following steps:
(1) weighing GPPS, a styrene-butadiene copolymer, a chain extender, an antioxidant and a diffusant, and pouring into a mixer for fully mixing to obtain a mixture for later use;
(2) melting, blending, extruding and granulating the mixture by using a screw extruder.
Preferably, in the step (2), the screw extruder is a double-screw extruder, the rotation speed of the feeding device of the screw extruder is 8-13 r/min, the rotation speed of the host is 380-420 r/min, the temperature of the first zone of the screw extruder is 180-.
The GPPS material is compositely modified by the styrene-butadiene copolymer and the chain extender, so that the impact strength and the toughness of the GPPS material are improved, and meanwhile, the styrene-butadiene copolymer is transparent resin and cannot influence the transparency of the GPPS material.
The present invention will be described in more detail below by showing a plurality of examples. .
Example 1
Weighing 27 parts of GPPS, 70 parts of styrene-butadiene copolymer, 1 part of chain extender, 1 part of antioxidant and 1 part of diffusant, pouring the mixture into a mixer, and fully mixing to obtain a mixture, melting, blending, extruding and granulating the mixture by using a double-screw extruder, wherein the rotating speed of a feeding machine of the double-screw extruder is 11r/min, the rotating speed of a main machine is 400r/min, the temperature of a first zone of the double-screw extruder is 160 ℃, the temperature of a second zone is 180 ℃, the temperature of a third zone is 200 ℃, the temperature of a fourth zone is 200 ℃, the temperature of a fifth zone is 200 ℃, the temperature of a sixth zone is 200 ℃, the temperature of a seventh zone is 210 ℃, the temperature of an eighth zone is 210 ℃ and the temperature of a machine head is 200 ℃.
The GPPS transparent toughening modification material obtained in example 1 is extruded to prepare a sheet A1.
Example 2
33.2 parts of GPPS, 65 parts of a styrene-butadiene copolymer, 0.6 part of a chain extender, 0.6 part of an antioxidant and 0.6 part of a dispersing agent were weighed and poured into a blender to be sufficiently mixed, and the other conditions were the same as in example 1.
The GPPS transparent toughening modification material obtained in example 2 is extruded to prepare a sheet A2.
Example 3
36.5 parts of GPPS, 62 parts of a styrene-butadiene copolymer, 0.5 part of a chain extender, 0.5 part of an antioxidant and 0.5 part of a dispersing agent were weighed and poured into a blender to be sufficiently mixed, and the other conditions were the same as in example 1.
The GPPS transparent toughening modification material obtained in example 3 is extruded to prepare a sheet A3.
Example 4
39 parts of GPPS, 60 parts of a styrene-butadiene copolymer, 0.3 part of a chain extender, 0.3 part of an antioxidant and 0.4 part of a dispersing agent were weighed and poured into a blender to be sufficiently mixed, and the other conditions were the same as in example 1.
The GPPS transparent toughening modification material obtained in example 4 is extruded to prepare a sheet A4.
Example 5
44.4 parts of GPPS, 55 parts of styrene-butadiene copolymer, 0.2 part of chain extender, 0.2 part of antioxidant and 0.2 part of dispersing agent are weighed and poured into a mixer to be fully mixed, and other conditions are the same as example 1.
The GPPS transparent toughening modification material obtained in example 5 is extruded to prepare a sheet A5.
Example 6
49.7 parts of GPPS, 50 parts of styrene-butadiene copolymer, 0.1 part of chain extender, 0.1 part of antioxidant and 0.1 part of dispersing agent are weighed and poured into a mixer to be fully mixed, and other conditions are the same as in example 1.
The GPPS transparent toughening modification material obtained in example 6 is extruded to prepare a sheet A6.
Comparative example 1
The GPPS raw material is extruded to prepare a sheet D1.
The sheets A1-A6 and D1 were tested for their impact strength, elongation at break, light transmittance and haze, and the results are shown in the following tables:
the experimental results in the table show that compared with the common GPPS sheet D1, the sheet A1-A6 prepared from the GPPS transparent toughening modified material has obviously improved cantilever beam notch impact strength and elongation at break, that is, the strength and toughness of the modified GPPS transparent toughening modified material are obviously improved. Compared with the common GPPS sheet D1, the sheet A1-A6 prepared from the GPPS transparent toughening modification material has the advantages of light transmittance reduction and haze increase, but the change range is not large, namely the transparency of the modified GPPS transparent toughening modification material is not changed greatly, and the use of the modified GPPS transparent toughening modification material on an LED light bar is not influenced.
To sum up: the GPPS transparent toughening modification material adopts a GPPS material which is compositely modified by a styrene-butadiene copolymer and a chain extender, so that the impact strength and the toughness of the GPPS material are improved, and meanwhile, the styrene-butadiene copolymer is transparent resin, so that the transparency of the GPPS material cannot be influenced.
The above is merely an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. The GPPS transparent toughening modification material is characterized by comprising the following components in parts by weight:
GPPS: 27-49.7 parts
Styrene-butadiene copolymer: 50-70 parts of
0.1-1 part of chain extender
Antioxidant: 0.1 to 1 portion
0.1-1 part of dispersing agent.
2. The GPPS transparent toughening modification material of claim 1, which is characterized by comprising the following components in parts by weight:
GPPS: 33.2 to 44.4 portions of
Styrene-butadiene copolymer: 55 to 65 portions of
0.2-0.6 part of chain extender
Antioxidant: 0.2 to 0.6 portion
0.2 to 0.6 portion of diffusant.
3. The GPPS transparent toughening modification material of claim 1, wherein the chain extender is Joncryl ADR-4400 which is a Basff chain extender.
4. The GPPS transparent toughening and modifying material of claim 1, wherein the antioxidant is antioxidant 1010.
5. The GPPS transparent toughening and modifying material of claim 1, wherein the diffusant is a Huawang diffusant EBS.
6. The preparation method of the GPPS transparent toughening modifying material according to any one of claims 1 to 5, characterized by comprising the following steps:
(1) weighing GPPS, a styrene-butadiene copolymer, a chain extender, an antioxidant and a diffusant, and pouring into a mixer for fully mixing to obtain a mixture for later use;
(2) melting, blending, extruding and granulating the mixture by using a screw extruder.
7. The preparation method of the GPPS transparent toughening and modifying material of claim 6, wherein in the step (2), the screw extruder is a twin-screw extruder.
8. The preparation method of the GPPS transparent toughening and modifying material of claim 6, wherein in the step (2), the rotating speed of a feeder of the screw extruder is 8-13 r/min.
9. The preparation method of the GPPS transparent toughening and modifying material of claim 6, wherein in the step (2), the main machine rotating speed of the screw extruder is 380 to 420 r/min.
10. The method as claimed in claim 6, wherein in the step (2), the temperature of the first zone of the screw extruder is 160-.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111151834.9A CN113817275A (en) | 2021-09-29 | 2021-09-29 | GPPS transparent toughening modified material and preparation method thereof |
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| CN202111151834.9A CN113817275A (en) | 2021-09-29 | 2021-09-29 | GPPS transparent toughening modified material and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114479297A (en) * | 2021-12-29 | 2022-05-13 | 上海金发科技发展有限公司 | High-impact-resistance wear-resistant transparent polystyrene composition and preparation method and application thereof |
| CN114750492A (en) * | 2022-03-16 | 2022-07-15 | 成都金发科技新材料有限公司 | Foamed low-density light diffusion plate and preparation method and application thereof |
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2021
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114479297A (en) * | 2021-12-29 | 2022-05-13 | 上海金发科技发展有限公司 | High-impact-resistance wear-resistant transparent polystyrene composition and preparation method and application thereof |
| CN114479297B (en) * | 2021-12-29 | 2023-06-09 | 上海金发科技发展有限公司 | High-impact-resistance wear-resistant transparent polystyrene composition and preparation method and application thereof |
| CN114750492A (en) * | 2022-03-16 | 2022-07-15 | 成都金发科技新材料有限公司 | Foamed low-density light diffusion plate and preparation method and application thereof |
| CN114750492B (en) * | 2022-03-16 | 2023-08-29 | 成都金发科技新材料有限公司 | Foaming low-density light diffusion plate and preparation method and application thereof |
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