CN101469121A - High gloss, high hardness and uvioresistant polycarbonate plastic alloy - Google Patents
High gloss, high hardness and uvioresistant polycarbonate plastic alloy Download PDFInfo
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- CN101469121A CN101469121A CNA2007101729220A CN200710172922A CN101469121A CN 101469121 A CN101469121 A CN 101469121A CN A2007101729220 A CNA2007101729220 A CN A2007101729220A CN 200710172922 A CN200710172922 A CN 200710172922A CN 101469121 A CN101469121 A CN 101469121A
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Abstract
The invention relates to a polycarbonate plastic alloy composition with high gloss, high hardness and ultraviolet resistance, which comprises polycarbonate, phenethylene based resin, methacrylic ester resin, acrylate grafting rubber and other fillers. The components have the following weight portion: 40 to 80 portions of the polycarbonate, 10 to 25 portions of the methacrylic ester resin, 5 to 20 portions of the phenethylene based resin, and 5 to 15 portions of acrylate elastomer. The PC plastic alloy has the advantages of high gloss, high impact resistance, high surface hardness and good fluidity, can save processes of surface spray painting and coating, and can be used for shells of automotive instrument displays and household appliances such as mobile phones, mobile DVD electronic products, televisions, liquid crystal displays and the like.
Description
Technical field
The present invention relates to a kind of polycarbonate (PC) plastics, be specifically related to a kind of high gloss, high rigidity, uvioresistant polycarbonate (PC) plastics, belong to the polymer composite field.
Background technology
Polycarbonate (PC) plastics have the thermotolerance height, and transparency is good, the gloss height, and advantages such as good toughness, but it is mobile poor, difficult forming; Goods are easy to generate stress cracking to the breach sensitivity; Not anti-solvent, and cost an arm and a leg.
Have and manyly knownly improve these shortcomings by the method for preparing the PC polyblend, wherein the PC/ABS polyblend is modal method, for example U.S. Pat 3130177, US 4624986 etc. have obtained high impact toughness and have improved mobile low-cost PC/ABS polyblend composition by the blending technology with ABS and PC.Although PC/ABS alloy melt viscosity is low, good processability has good comprehensive performances such as high impulse strength, improves little to lower, the not attrition resistant shortcoming of PC frosting hardness; Simultaneously PC plastics inherent high gloss, fast light advantage such as shine are but decreased.
Summary of the invention
The object of the invention provides a kind of gloss height that has, good toughness, have the PC polyblend composition of high surface hardness and excellent machinability simultaneously.
Purpose of the present invention can be achieved through the following technical solutions:
A kind of high gloss, high rigidity, uvioresistant polycarbonate plastic alloy comprise that polycarbonate, styrene base resin, methacrylate resin, esters of acrylic acid graft rubber and other fill out agent; Described polycarbonate is 40～80 weight parts, and methacrylate resin is 10～25 weight parts, and styrene base resin is 5～20 weight parts, and acrylic ester elastomer is 5～15 weight parts.
Described polycarbonate is the bisphenol A-type aromatic copolycarbonate.
In preferred embodiments, polycarbonate resin component of the present invention is the linear polycarbonate derived from the dihydroxyphenyl propane photoreactive gas.
In preferred embodiments, the weight-average molecular weight of polycarbonate resin of the present invention is 20000-40000g/mol, and polycarbonate resin of the present invention is known and can obtains by a plurality of commercial source.
Described methacrylate resin is selected from the multipolymer of methacrylic acid ester homopolymer, methacrylic ester and vinylbenzene and vinyl monomer one or more to be mixed.
Above-mentioned methacrylate resin can be imperplex PMMA, methacrylic ester-acrylonitritrile-styrene resin, and their miscellany.
Described styrene base resin is selected from the multipolymer of vinylbenzene and vinyl cyanide.
The typical example of above-mentioned styrene base resin comprises: acrylate-styrene-acrylonitrile copolymer ASA, the rare lonitrile copolymer SAN of vinylbenzene-third, and their miscellany.
Described esters of acrylic acid graft rubber is selected from the esters of acrylic acid graft rubber ACR with nucleocapsid structure or the methacrylate butadi ene styrene copolymer with nucleocapsid structure and connects among the skill rubber MBS one or more.
Described composition also can comprise tinting material, filler, thermo-stabilizer, static inhibitor, lubricant etc.
PC polyblend of the present invention has high gloss, high-impact, high surface hardness and good flowability; Can omit external coating; Mobile good, be easy to the filling of large size mould and be shaped.Can be used for household electrical appliance, automobile instrument display casings etc. such as mobile phone, portable DVD electronic product and televisor, liquid-crystal display.
Embodiment
Below in conjunction with specific embodiment, the present invention will be further described, but described embodiment only is used to illustrate the present invention rather than restriction the present invention.
Embodiments of the invention adopt following material:
Polycarbonate-1, U.S. Dow chemical company, weight-average molecular weight is about 27,000, trade mark Calibre201-10;
Polycarbonate-2, U.S. Dow chemical company, weight-average molecular weight is about 30,000, trade mark Calibre301-5;
Imperplex PMMA, Taiwan Qi Mei company, CM-205;
Methacrylic ester-acrylonitritrile-styrene resin MAS, Shanghai Pen Making Chemical Factory, MAS-711;
Acrylonitrile-butadiene-phenylethene grafted copolymer ABS, GE company, Blendex 338, and divinyl rubber content is 70%;
Acrylonitritrile-styrene resin SAN, Taiwan Qi Mei company, PN-127H
Esters of acrylic acid nucleocapsid structure graft rubber MBS, Rohm-Hass company, EXL-2691A
Methacrylate butadi ene styrene copolymer meets skill rubber ACR, Rohm-Hass company, EXL-2330
Oxidation inhibitor, tetramethylolmethane stearic bicine diester bis-phosphite, GE plastics fine chemicals, Weston 619F.
Carbon black colorant, Cabot company, BP800.
The product performance testing method:
Melting index: press ASTM D1238 method, 260 ℃, test under 5 kilograms of load.
Tensile property: press ASTM D638 method, draw speed 50 mm/min.
Bending property: press ASTM D790 method, trial speed 2 mm/min.
IZOD notched Izod impact strength: press ASTM D256 method, the sample of 3.2 mm thick.
Vicat softening temperature: press ASTM D1525 method, 50 ℃/minute of temperature rise rates are tested under 5 kilograms of load.
Gloss: press ASTM D2457 method, diameter is 80 millimeters a disk.
Pencil hardness: press ASTM D3363 method, 150 * 100 millimeters injection molding plates is tested under 0.75 kilogram of load
Embodiment 1-4 and comparative example 1:
After mixing by proportion of composing in the table 1, join in twin screw extruder (screw diameter 35mm, the length-to-diameter ratio L/D=36) main barrel through exsiccant PC resin, styrene copolymer resin, esters of acrylic acid graft rubber, tinting material and other auxiliary agent.Each section of main barrel controlled temperature (exporting from charging opening to head) is respectively 210 ℃, 240 ℃, 260 ℃, 260 ℃, 250 ℃, and the twin screw rotating speed is 300 rev/mins, and the extruded stock bar obtains product through tank cooling back pelletizing.The said products is injection molded into standard batten with plastic-injection moulding machine in 85 ℃ of dryings after 5 hours in convection oven, 250 ℃ of injection temperatures.The batten of injection formed is in 50% relative humidity, and performance test is carried out in 23 ℃ of placements at least after 24 hours.Actual test result sees Table 1.
Table 1:
| Form | Comparative example 1 | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| PC-1 | 100 | 40 | 60 | 80 | |
| PC-2 | 80 | ||||
| The ABS high glue powder |
| PMMA | 25 | 20 | 10 | 10 | |
| SAN | 20 | 10 | 5 | 5 | |
| EXL-2691A | 15 | 10 | 5 | 5 | |
| Carbon black colorant | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
| Stablizer 619F | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
| Test result | Comparative example 1 | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Melting index | 12.4 | 22.5 | 18.6 | 17.1 | 16.7 |
| Tensile strength (MPa) | 64.8 | 51.1 | 56.6 | 62.6 | 67.6 |
| Flexural strength (MPa) | 97.5 | 82.3 | 95.8 | 101 | 106 |
| Modulus in flexure (MPa) | 2460 | 2880 | 2820 | 2780 | 2730 |
| Notched Izod impact strength | 720 | 327 | 426 | 626 | 726 |
| Vicat softening temperature | 142.4 | 113 | 123.2 | 126 | 127 |
| Gloss | 93 | 96 | 99 | 99 | 98 |
| Pencil hardness (level) | B | HB | F | F | F |
By table 1 as seen, and compare (comparative example 1), have high surface hardness more, improved the processing flowability of PC simultaneously by the PC alloy material of the present invention's preparation by commercialization PC material; This PC alloy material still has excellent mechanical mechanics property simultaneously;
Embodiment 5-8 and comparative example 2:
After mixing by proportion of composing in the table 1, join in twin screw extruder (screw diameter 35mm, the length-to-diameter ratio L/D=36) main barrel through exsiccant PC resin, styrene copolymer resin, esters of acrylic acid graft rubber, tinting material and other auxiliary agent.Each section of main barrel controlled temperature (exporting from charging opening to head) is respectively 210 ℃, 240 ℃, 260 ℃, 260 ℃, 250 ℃, and the twin screw rotating speed is 300 rev/mins, and the extruded stock bar obtains product through tank cooling back pelletizing.The said products is injection molded into standard batten with plastic-injection moulding machine in 85 ℃ of dryings after 5 hours in convection oven, 250 ℃ of injection temperatures.The batten of injection formed is in 50% relative humidity, and performance test is carried out in 23 ℃ of placements at least after 24 hours.Actual test result sees Table 2.
Table 2:
| Form | Comparative example 2 | Embodiment 5 | Embodiment 6 | Embodiment 7 | Embodiment 8 |
| PC-1 | 60 | 60 | 60 | 60 | 70 |
| The ABS high glue powder | 10 | ||||
| MAS | 10 | 20 | 25 | 10 | |
| SAN | 30 | 20 | 10 | 5 | 10 |
| EXL-2330 | 10 | 10 | 10 | 10 | |
| Carbon black colorant | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
| Stablizer 619F | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
| Test result | Comparative example 2 | Embodiment 5 | Embodiment 6 | Embodiment 7 | Embodiment 8 |
| Melting index | 19.2 | 21.6 | 20.1 | 20.8 | 18.3 |
| Tensile strength (MPa) | 53.5 | 57.7 | 57.6 | 57.6 | 61.6 |
| Flexural strength (MPa) | 86.2 | 86.1 | 88.8 | 87.3 | 93.1 |
| Modulus in flexure (MPa) | 2370 | 2860 | 2850 | 2840 | 2760 |
| Notched Izod impact strength | 536 | 416 | 422 | 426 | 526 |
| Vicat softening temperature | 120.1 | 119.6 | 120.2 | 119.2 | 125.3 |
| Gloss | 87 | 97 | 98 | 99 | 99 |
| Pencil hardness (level) | 2B | HB | F | F | F |
By table 2 as seen, compare (comparative example 2), have higher gloss and excellent surface hardness by the PC alloy material of the present invention's preparation with the PC/ABS alloy material of producing by disclosed technology; This PC alloy material still has excellent mechanical mechanics property simultaneously;
The object of the invention provides a kind of thermotolerance height that has, the gloss height, good toughness, have the PC polyblend composition of high surface hardness and excellent machinability simultaneously.By PC polyblend high gloss of the present invention, high-impact, high surface hardness and good flowability; Can omit external coating; Mobile good, be easy to the filling of large size mould and be shaped.Can be used for household electrical appliance, automobile instrument display casings etc. such as mobile phone, portable DVD electronic product and televisor, liquid-crystal display.
Claims (10)
1, a kind of high gloss, high rigidity, uvioresistant polycarbonate plastic alloy comprise that polycarbonate, styrene base resin, methacrylate resin, esters of acrylic acid graft rubber and other fill out agent; Described polycarbonate is 40～80 weight parts, and methacrylate resin is 10～25 weight parts, and styrene resin is 5～20 weight parts, and acrylic ester elastomer is 5～15 weight parts.
2, a kind of high gloss according to claim 1, high rigidity, uvioresistant polycarbonate plastic alloy is characterized in that: described polycarbonate is the bisphenol A-type aromatic copolycarbonate.
3, a kind of high gloss according to claim 2, high rigidity, uvioresistant polycarbonate plastic alloy is characterized in that: described polycarbonate resin is the linear polycarbonate derived from the dihydroxyphenyl propane photoreactive gas.
4, a kind of high gloss according to claim 2, high rigidity, uvioresistant polycarbonate plastic alloy is characterized in that: the weight-average molecular weight of described polycarbonate resin is 20000-40000g/mol.
5, a kind of high gloss according to claim 1, high rigidity, uvioresistant polycarbonate plastic alloy is characterized in that: described methacrylate resin is selected from the multipolymer of methacrylic acid ester homopolymer, methacrylic ester and vinylbenzene and vinyl monomer one or more to be mixed.
6, a kind of high gloss according to claim 5, high rigidity, uvioresistant polycarbonate plastic alloy, it is characterized in that: methacrylate resin can be imperplex PMMA, methacrylic ester-acrylonitritrile-styrene resin, and their miscellany.
7, a kind of high gloss according to claim 1, high rigidity, uvioresistant polycarbonate plastic alloy, it is characterized in that: described styrene base resin is selected from the multipolymer of vinylbenzene and vinyl cyanide.
8, a kind of high gloss according to claim 7, high rigidity, uvioresistant polycarbonate plastic alloy, it is characterized in that: the typical example of above-mentioned styrene base resin comprises: acrylate-styrene-acrylonitrile copolymer ASA, the rare lonitrile copolymer SAN of vinylbenzene-third, and their miscellany.
9, a kind of high gloss according to claim 1, high rigidity, uvioresistant polycarbonate plastic alloy is characterized in that: described esters of acrylic acid graft rubber is selected from the esters of acrylic acid graft rubber ACR with nucleocapsid structure or the methacrylate butadi ene styrene copolymer with nucleocapsid structure and connects among the skill rubber MBS one or more.
10, a kind of high gloss according to claim 1, high rigidity, uvioresistant polycarbonate plastic alloy is characterized in that: describedly fill out agent and comprise tinting material, filler, thermo-stabilizer, static inhibitor, lubricant.
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| CN101974218A (en) * | 2010-11-12 | 2011-02-16 | 大河宝利材料科技(苏州)有限公司 | Special plastic/acrylonitrile butadiene styrene (PC/ABS) alloy for notebook computer shell |
| CN102134382A (en) * | 2010-01-26 | 2011-07-27 | 苏州汉扬精密电子有限公司 | Formula of halogen-free flame-retarding high-hardness polycarbonate alloy |
| CN102532737A (en) * | 2010-12-29 | 2012-07-04 | 上海普利特复合材料股份有限公司 | Transparent high-hardness impact-resistant acrylonitrile butadiene styrene (ABS) plastic alloy composition |
| CN102134368B (en) * | 2010-01-26 | 2012-10-17 | 苏州汉扬精密电子有限公司 | Formula of non-filled type high-hardness acrylonitrile-butadiene-styrene alloy |
| CN103188464A (en) * | 2011-12-29 | 2013-07-03 | 第一毛织株式会社 | Television housing and method for manufacturing the same |
| CN104744912A (en) * | 2013-12-30 | 2015-07-01 | 奇美实业股份有限公司 | thermoplastic resin composition |
| CN106065171A (en) * | 2016-08-19 | 2016-11-02 | 广东锦湖日丽高分子材料有限公司 | A kind of high durable PC ASA alloy material and preparation method thereof |
| CN108676309A (en) * | 2018-05-30 | 2018-10-19 | 芜湖创科新材料科技有限公司 | A kind of new energy car battery shell special-purpose anti-flaming ASA materials and preparation method thereof |
| CN109852026A (en) * | 2018-12-26 | 2019-06-07 | 聚威工程塑料(上海)有限公司 | A kind of resistance to suncream PC/ABS alloy material and preparation method thereof |
| CN113913009A (en) * | 2021-12-08 | 2022-01-11 | 浙江凯信光电科技有限公司 | PC/PMMA/MBS/AS transparent polymer composite material AMS and preparation method thereof |
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| CN101077925B (en) * | 2006-05-26 | 2011-05-04 | 佛山市顺德区汉达精密电子科技有限公司 | Modified composition for high surface hardness PC-ABS resin |
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Cited By (16)
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| CN102134382A (en) * | 2010-01-26 | 2011-07-27 | 苏州汉扬精密电子有限公司 | Formula of halogen-free flame-retarding high-hardness polycarbonate alloy |
| CN102134368B (en) * | 2010-01-26 | 2012-10-17 | 苏州汉扬精密电子有限公司 | Formula of non-filled type high-hardness acrylonitrile-butadiene-styrene alloy |
| CN101974218B (en) * | 2010-11-12 | 2012-07-11 | 大河宝利材料科技(苏州)有限公司 | Special plastic/acrylonitrile butadiene styrene (PC/ABS) alloy for notebook computer shell |
| CN101974218A (en) * | 2010-11-12 | 2011-02-16 | 大河宝利材料科技(苏州)有限公司 | Special plastic/acrylonitrile butadiene styrene (PC/ABS) alloy for notebook computer shell |
| CN102532737B (en) * | 2010-12-29 | 2014-01-08 | 上海普利特复合材料股份有限公司 | Transparent high-hardness impact-resistant acrylonitrile butadiene styrene (ABS) plastic alloy composition |
| CN102532737A (en) * | 2010-12-29 | 2012-07-04 | 上海普利特复合材料股份有限公司 | Transparent high-hardness impact-resistant acrylonitrile butadiene styrene (ABS) plastic alloy composition |
| CN103188464B (en) * | 2011-12-29 | 2016-04-06 | 第一毛织株式会社 | Housing of TV set and manufacture method thereof |
| CN103188464A (en) * | 2011-12-29 | 2013-07-03 | 第一毛织株式会社 | Television housing and method for manufacturing the same |
| CN104744912A (en) * | 2013-12-30 | 2015-07-01 | 奇美实业股份有限公司 | thermoplastic resin composition |
| CN104744912B (en) * | 2013-12-30 | 2017-04-12 | 奇美实业股份有限公司 | Thermoplastic resin composition |
| CN106065171A (en) * | 2016-08-19 | 2016-11-02 | 广东锦湖日丽高分子材料有限公司 | A kind of high durable PC ASA alloy material and preparation method thereof |
| CN106065171B (en) * | 2016-08-19 | 2018-08-10 | 广东锦湖日丽高分子材料有限公司 | A kind of high durable PC-ASA alloy materials and preparation method thereof |
| CN108676309A (en) * | 2018-05-30 | 2018-10-19 | 芜湖创科新材料科技有限公司 | A kind of new energy car battery shell special-purpose anti-flaming ASA materials and preparation method thereof |
| CN109852026A (en) * | 2018-12-26 | 2019-06-07 | 聚威工程塑料(上海)有限公司 | A kind of resistance to suncream PC/ABS alloy material and preparation method thereof |
| CN113913009A (en) * | 2021-12-08 | 2022-01-11 | 浙江凯信光电科技有限公司 | PC/PMMA/MBS/AS transparent polymer composite material AMS and preparation method thereof |
| CN115260729A (en) * | 2022-07-27 | 2022-11-01 | 上海晨光文具股份有限公司 | Polycarbonate composite material and preparation method and application thereof |
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