CN102108176A - ABS material with low gloss, high shock resistance, and high fluidity - Google Patents
ABS material with low gloss, high shock resistance, and high fluidity Download PDFInfo
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- CN102108176A CN102108176A CN 200910200855 CN200910200855A CN102108176A CN 102108176 A CN102108176 A CN 102108176A CN 200910200855 CN200910200855 CN 200910200855 CN 200910200855 A CN200910200855 A CN 200910200855A CN 102108176 A CN102108176 A CN 102108176A
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Abstract
The invention discloses an ABS material with low gloss, high shock resistance, and high fluidity, which comprises a styrene-based resin, an ethane-acrylate copolymer elastomer, and a copolymer of gelated styrene and acrylonitrile; the amounts by weight of the components are 85-97 parts of the styrene-based resin, 1-10 parts of the ethane-acrylate copolymer elastomer, and 1-5 parts of the copolymer of gelated styrene and acrylonitrile. The ABS material prepared according to the ratio of the invention has low gloss, high shock resistance, and good processing fluidity, facilitates the filling and forming of large-size moulds, and is widely applicable to various automobile interior trimming parts and the like.
Description
Technical field
The present invention relates to a kind of ABS material, be specially a kind of low gloss, high-impact, high mobile ABS material.Belong to the modified plastics field.
Background technology
In the various application scenarios of ABS material, the products appearance that often requires to be made by this material has low gloss.For example the gloss appearance of automobile plastic inner-decoration component is very big to the performance and the sensation influence of automotive upholstery, and in general, the automobile original equipment manufacturer (OEM) is ready to be provided with the glossiness target of 60 degree.
Reducing one of ABS material glossy method is the size of rubber grain in the control ABS resin, for example U.S. Pat 4677162 and US 4526926 pass through the use mass polymerization, and the ABS resin that contains big rubber grain reaches and reduces ABS material glossy purpose.It is limited to adopt this method to reduce effect for glossy.
Reduce other method of ABS material glossy and comprise introducing polyepoxides or the vinylbenzene of gelation and the multipolymer of vinyl cyanide etc.For example U.S. Pat 4761463, US 4835215 and US 5026277 disclose the method for having used the method that contains unsaturated acid glycidyl ester (GMA) and other epoxy compounds to obtain low gloss ABS material, but the shortcoming that adopts these methods is the melt viscosity that has increased composition, and is very unfavorable to the forming process of material.
Summary of the invention
The objective of the invention is to have enclosed provides a kind of low gloss, high-impact, the high ABS material that flows.ABS material of the present invention has low gloss, high-impact and good processing flowability, is easy to filling shaping large size mould.Can be used for various automotive upholsteries etc.
Purpose of the present invention can be achieved through the following technical solutions:
A kind of low gloss, high-impact, the high ABS material that flows comprise styrene base resin, ethylene-acrylate copolymer elastomerics, and the multipolymer of the vinylbenzene of gelation and vinyl cyanide; Described styrene resin is 85～97 weight parts, and the ethylene-acrylate copolymer elastomerics is 1～10 weight part, and the vinylbenzene of gelation and the multipolymer of vinyl cyanide are 1～5 weight part.
Described styrene base resin is one or more the miscellany in acrylonitrile-butadiene-styrene copolymer (ABS), acrylate-styrene-acrylonitrile copolymer (ASA) and the styrene-acrylonitrile copolymer (SAN).
Described acrylonitrile-butadiene-styrene copolymer can be the ABS that continuous bulk polymerization method or emulsion grafting polymerization method are produced, perhaps their mixture.ABS resin of the present invention is known and can obtains by a plurality of commercial source.
It is in 16～30% ethylene-acrylate copolymers one or more that described ethylene-acrylic acid ester elastomer is selected from acrylate content.
The used typical example of ethylene-acrylate copolymer elastomerics of the present invention comprises ethylene-methyl acrylate multipolymer (EMA), ethylene-acrylate butyl ester multipolymer (EBA), ethylene-methyl methacrylate butyl ester-carbonyl multipolymer (EBA-CO), and their miscellany.
Described composition also can comprise tinting material, filler, thermo-stabilizer, static inhibitor, lubricant etc.
ABS material by proportioning of the present invention prepares has low gloss, high-impact and good processing flowability, is easy to filling shaping large size mould, can be widely used in various automotive upholsteries etc.
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:
ABS-1, the continuous bulk polymerization method is produced, U.S. Dow chemical company, trade mark Magnum 3513;
ABS-2, the emulsion grafting polymerization method is produced, BASF chemical company, trade mark GP22;
Ethylene-acrylate butyl ester multipolymer EBA, ARKAMA company, trade mark 17BA04, acrylate content is 16%;
Ethylene-methyl acrylate multipolymer EMA, Dupont company, trade mark AC1820, acrylate content is 20%;
Ethylene-methyl methacrylate butyl ester-carbonyl multipolymer EBA-CO, Dupont company, trade mark HP4051, acrylate content is about 25%;
The multipolymer of gelation styrene-acrylonitrile, GE company, trade mark BMAT
Carbon black colorant, Cabot company, trade mark BP800.
The product performance testing method:
Melting index: press ASTM D1238 method, 220 ℃, test under 10 kilograms of load
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, 60 °, diameter is 80 millimeters a disk.
Embodiment 1-3 and comparative example 1-2:
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 the multipolymer of exsiccant styrene copolymer resin, ethylene-acrylate copolymer elastomerics, gelation styrene-acrylonitrile and tinting material.Each section of main barrel controlled temperature (exporting from charging opening to head) is respectively 170 ℃, 200 ℃, 220 ℃, 230 ℃, 220 ℃, 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 80 ℃ of dryings after 3 hours in convection oven, 230 ℃ 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 |
| ABS-1 | 95 | 97 | 95 | 90 | 89 |
| EMA | 1 | 3 | 5 |
| EBA | 10 | ||||
| BMAT | 5 | 2 | 2 | 5 | 1 |
| Carbon black colorant | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
| Test result | Comparative example 1 | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Melting index (g/10min) | 3.9 | 8.2 | 9.1 | 7.1 | 10.8 |
| Flexural strength (MPa) | 65.3 | 66.5 | 63.6 | 62.1 | 59.5 |
| Modulus in flexure (MPa) | 2310 | 2301 | 2279 | 2202 | 1964 |
| Notched Izod impact strength (J/m) | 189 | 245 | 338 | 387 | 373 |
| Vicat softening temperature (℃) | 98.8 | 97.1 | 96.1 | 95.2 | 90.6 |
| Gloss | 20 | 28 | 20 | 12 | 22 |
By table 1 as seen, when reaching more low gloss, still kept excellent mechanics and processing characteristics by the ABS alloy material of the present invention preparation; Contrast disclosed technology (comparative example 1), when independent use gelation styrene-acrylonitrile copolymer BMAT, though can reach low luster effect, the melting index of composition sharply reduces, and shows that the processing flowability of material worsens.
Embodiment 4-7 and comparative example 3:
After mixing by proportion of composing in the table 2, join in twin screw extruder (screw diameter 35mm, the length-to-diameter ratio L/D=36) main barrel through the multipolymer of exsiccant styrene copolymer resin, ethylene-acrylate copolymer elastomerics, gelation styrene-acrylonitrile and tinting material.Each section of main barrel controlled temperature (exporting from charging opening to head) is respectively 170 ℃, 200 ℃, 220 ℃, 230 ℃, 220 ℃, 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 80 ℃ of dryings after 3 hours in convection oven, 230 ℃ 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.Actual test result sees Table 2.
Table 2:
| Form | Comparative example 2 | Embodiment 5 | Embodiment 6 | Embodiment 7 | Embodiment 8 |
| ABS-2 | 95 | 97 | 95 | 90 | 85 |
| EBA-CO | 1 | 5 | |||
| EMA | 5 | 2.5 | 10 | ||
| BMAT | 2 | 2.5 | 5 | 5 |
| Carbon black colorant | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
| Test result | Comparative example 2 | Embodiment 5 | Embodiment 6 | Embodiment 7 | Embodiment 8 |
| Melting index (g/10min) | 22.7 | 18.4 | 20.2 | 15.3 | 17.2 |
| Flexural strength (MPa) | 62.9 | 64.4 | 63.1 | 64.1 | 59.8 |
| Modulus in flexure (MPa) | 2160 | 2245 | 2190 | 2200 | 1983 |
| Notched Izod impact strength (J/m) | 317 | 286 | 332 | 368 | 372 |
| Vicat softening temperature (℃) | 91.3 | 95.2 | 93.3 | 92.9 | 90.1 |
| Gloss | 46 | 34 | 27 | 22 | 20 |
By table 2 as seen, when reaching more low gloss, still kept excellent mechanics and processing characteristics by the ABS alloy material of the present invention preparation; When ethylene-acrylate copolymer elastomerics EMA is used in independent interpolation, can not reach low luster effect (comparative examples 2 and embodiment 6).
The object of the invention provides a kind of low gloss, high-impact, the high ABS material that flows.Low gloss ABS composition of the present invention has low gloss, high-impact and good flowability properties, is easy to filling shaping large size mould, can be used for various automotive upholsteries etc.
Claims (6)
1. a low gloss, high-impact, the high ABS material that flows is characterized in that: comprise styrene base resin, ethylene-acrylate copolymer elastomerics, and the multipolymer of the vinylbenzene of gelation and vinyl cyanide; Described styrene resin is 85～97 weight parts, and the ethylene-acrylate copolymer elastomerics is 1～10 weight part, and the vinylbenzene of gelation and the multipolymer of vinyl cyanide are 1～5 weight part.
2. a kind of low gloss according to claim 1, high-impact, the high ABS material that flows is characterized in that: described styrene base resin is one or more the miscellany in acrylonitrile-butadiene-styrene copolymer, acrylate-styrene-acrylonitrile copolymer and the styrene-acrylonitrile copolymer.
3. a kind of low gloss according to claim 2, high-impact, the high ABS material that flows, it is characterized in that: described acrylonitrile-butadiene-styrene copolymer is the ABS that continuous bulk polymerization method or emulsion grafting polymerization method are produced, perhaps their mixture.
4. a kind of low gloss according to claim 1, high-impact, the high ABS material that flows is characterized in that: it is in 16～30% ethylene-acrylate copolymers one or more that described ethylene-acrylic acid ester elastomer is selected from acrylate content.
5. a kind of low gloss according to claim 1, high-impact, the high ABS material that flows is characterized in that: described ethylene-acrylate copolymer elastomerics is a kind of among EMA, EBA and the EBA-CO, and their miscellany.
6. a kind of low gloss according to claim 1, high-impact, the high ABS material that flows, it is characterized in that: described composition also comprises tinting material, filler, thermo-stabilizer, static inhibitor or lubricant.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103232679A (en) * | 2013-04-18 | 2013-08-07 | 苏州旭光聚合物有限公司 | Low-glossiness ABS (acrylonitrile-butadiene-styrene) resin |
| CN103740041A (en) * | 2013-12-28 | 2014-04-23 | 重庆普利特新材料有限公司 | Low-gloss and low-odor ABS (acrylonitrile butadiene styrene) material for automotive interior parts and preparation method thereof |
| CN104910539A (en) * | 2015-05-18 | 2015-09-16 | 中国石油天然气股份有限公司吉林石化分公司 | High-impact while household electrical appliance ABS composite material and preparation method therefor |
| CN107955567A (en) * | 2017-11-08 | 2018-04-24 | 天津金发新材料有限公司 | A kind of antistatic ABS compound and preparation method and application |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101250314A (en) * | 2007-11-30 | 2008-08-27 | 上海锦湖日丽塑料有限公司 | Heat-proof ABS resin composition for blow-molding and preparation method thereof |
| CN101469120B (en) * | 2007-12-25 | 2012-10-17 | 上海普利特复合材料股份有限公司 | Low brightness, high impact and high flowablity polycarbonate composition |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103232679A (en) * | 2013-04-18 | 2013-08-07 | 苏州旭光聚合物有限公司 | Low-glossiness ABS (acrylonitrile-butadiene-styrene) resin |
| CN103740041A (en) * | 2013-12-28 | 2014-04-23 | 重庆普利特新材料有限公司 | Low-gloss and low-odor ABS (acrylonitrile butadiene styrene) material for automotive interior parts and preparation method thereof |
| CN104910539A (en) * | 2015-05-18 | 2015-09-16 | 中国石油天然气股份有限公司吉林石化分公司 | High-impact while household electrical appliance ABS composite material and preparation method therefor |
| CN107955567A (en) * | 2017-11-08 | 2018-04-24 | 天津金发新材料有限公司 | A kind of antistatic ABS compound and preparation method and application |
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| CN102108176B (en) | 2013-10-23 |
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Address after: 201703 12th Floor, Lane 1, 2855, Shanghai Qingping Highway, Zhaoxiang Town, Qingpu District, Shanghai Patentee after: Shanghai Pret Compound Material Co., Ltd. Address before: 200081 2nd Floor, 421 Lane, Siping Road, Hongkou District, Shanghai Patentee before: Shanghai Pret Compound Material Co., Ltd. |
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