CN104098884A - Low-gloss PC/ABS alloy for automotive interior - Google Patents
Low-gloss PC/ABS alloy for automotive interior Download PDFInfo
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- CN104098884A CN104098884A CN201410382873.3A CN201410382873A CN104098884A CN 104098884 A CN104098884 A CN 104098884A CN 201410382873 A CN201410382873 A CN 201410382873A CN 104098884 A CN104098884 A CN 104098884A
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Abstract
The invention discloses low-gloss PC/ABS alloy for automotive interior. The low-gloss PC/ABS alloy for the automotive interior is composed of 55 to 64 parts of PC resin, 24 to 28 parts of ABS resin, 2 to 5 parts of ultra-fine talcum powder, 2 to 5 parts of compound of maleic anhydride grafted styrene-butadiene-styrol copolymer and gas phase method silicon dioxide, 3 to 10 parts of compound of styrene-maleic anhydride copolymer and ABS high-glue powder, 0.5 parts of anti-oxygen and 0.5 parts of lubricant. Compared with traditional low-gloss PC/ABS alloy, the low-gloss PC/ABS alloy for the automotive interior uses the ultra-fine talcum powder and the compound of maleic anhydride grafted styrene-butadiene-styrol copolymer and gas phase method silicon dioxide as flatting agent and uses the compound of styrene-maleic anhydride copolymer and ABS high-glue powder as toughening agent, so that the gloss is lower, the fluidity is good, the forming is easy to finish, the physical performance is good, and the production cost is low.
Description
Technical field
The present invention relates to a kind of automotive trim PC/ABS alloy, relate in particular to the low gloss PC/ABS alloy for automotive trim that a kind of mobility is good, physicals is good, production cost is low.
Background technology
PC/ABS alloy is a kind of thermoplastics being formed by polycarbonate (PC resin) and acrylonitrile-butadiene-styrene terpolymer (ABS resin) melt blending, it combines the excellent specific property of bi-material, the easy processing forming of ABS resin and the character such as shock resistance, temperature tolerance and uviolresistance of PC resin, can be widely used in the industry fields such as automotive interior parts, the communication apparatus, household appliances shell and set lights.
PC/ABS alloy is the plastic alloy material of a kind of PC of comprising resin, ABC resin and other composition, as the commercialization polymer alloy that sales volume is larger in the world, in recent years all with the demand speed increment about 10-20%.PC/ABS alloy has improved mobility compared with PC resin, has improved processing characteristics, has reduced the susceptibility of goods to unrelieved stress, thereby is widely used in high strength, the high heat-resisting component such as automotive trim, exterior trim, vehicle lamp body.When PC/ABS alloy is used for automotive trim product scope, the eye strain causing because of long-duration driving for fear of people, its product must have " delustring " i.e. " dumb light " effect.
Traditional automotive trim plastics delustring technology is to rely on " sandblast " effect of injection mold to complete, and injection mold " sandblast " is that price is higher on the one hand, is that use properties is not good on the other hand, needs often maintenance mould, and client can waste a large number of expense.
Along with the popular of China's automobile industry and production domesticization, have compared with the PC/ABS alloy of low-luster and be more and more subject to liking of vast car load manufacturer and the component injection moulding producer supporting with it, automotive trim plastics by traditional mould " sandblast " gradually to raw-material " dumb light " future development.
But, in current PC/ABS alloy, matting agent often adopts cross-linked styrene-acrylonitrile copolymer (as the BMAT of Compton Co.,Ltd), ethylene-methyl acrylate-glyceryl methacrylate terpolymer (as the AX8900 of Arkema), one or more in ethylene-propylene acid butyl ester-glycidyl methacrylate (as the PTW of E.I.Du Pont Company) and fumed silica (as the product of goldschmidt chemical corporation), and to adopt Methacrylate-butadiene-styrene be that MBS and ABS high glue powder (being Acrylnitrile-Butadiene-Styrene) are as toughner, prepared low gloss PC/ABS alloy exists mobility lower, physicals is poor, the shortcoming that production cost is high.
Summary of the invention
The object of the invention is to address the above problem and low gloss PC/ABS alloy for a kind of mobility is good, physicals is good, production cost is low automotive trim is provided.
The present invention is achieved through the following technical solutions above-mentioned purpose:
A low gloss PC/ABS alloy for automotive trim, is formed by the preparation of raw material of following mass parts:
Described the first matting agent is superfine talcum powder, described the second matting agent is the mixture of maleic anhydride graft styrene-butadiene-styrene and fumed silica, and described toughner is the mixture of styrene-maleic anhydride copolymer and ABS high glue powder.
As preferably, the size distribution of described the first matting agent is D50=1～2 micron, D95=3～6.5 micron, 800 ℃ of calcinations rate of loss≤3% after 2 hours.
In described the second matting agent, maleic anhydride graft styrene-butadiene-styrene is 7:3 with the composite quality ratio of fumed silica.
The percentage of grafting of described maleic anhydride graft styrene-butadiene-styrene is 0.8%～1.2%.
Described fumed silica is through γ-aminopropyl triethoxysilane surface treatment, and its size distribution is D50=2～4 micron.
In described toughner, styrene-maleic anhydride copolymer is 1:1 with the composite quality ratio of ABS high glue powder.
Described PC resin is middle viscosity PC resin, and its melting index is 10～13g/10min.
Described ABS resin is dumb light level ABS275 or ABS3453.
Described oxidation inhibitor is the compound of antioxidant 1076 and 168, and its composite mass ratio is 1:2.
Described lubricant is pentaerythritol stearate (being PETS).
Beneficial effect of the present invention is:
With traditional low gloss PC/ABS alloy phase ratio, automotive trim of the present invention adopts the mixture of superfine talcum powder and maleic anhydride graft styrene-butadiene-styrene and fumed silica as matting agent with low gloss PC/ABS alloy, adopt the mixture of styrene-maleic anhydride copolymer and ABS high glue powder as toughner, have advantages of that glossiness is lower, mobility is good, easy-formation is processed, physicals is good, production cost is low.
Embodiment
Below in conjunction with specific embodiment and comparative example, the invention will be further described:
Embodiment 1:
Prepare the raw material of each mass parts shown in following table 1:
Table 1
| Material name | Mass parts |
| PC?IR2200 | 62 |
| ABS275 | 26 |
| The first matting agent | 3 |
| The second matting agent | 3 |
| Toughner | 5 |
| Oxidation inhibitor | 0.5 |
| Lubricant | 0.5 |
In table 1, PC IR2200 is a kind of PC resin that Japanese Idemitsu Kosen Co., Ltd. produces, and is middle viscosity PC resin, and its melting index is 10～13g/10min; ABS275 is the dumb light level ABS resin that Sinopec Shanghai Gaoqiao Petrochemical Company is produced; The first matting agent is superfine talcum powder, and its size distribution is D50=1～2 micron, D95=3～6.5 micron, 800 ℃ of calcinations rate of loss≤3% after 2 hours; The second matting agent is the mixture of maleic anhydride graft styrene-butadiene-styrene and fumed silica, its composite quality is than being 7:3, wherein, the percentage of grafting of maleic anhydride graft styrene-butadiene-styrene is 0.8%～1.2%, fumed silica is through γ-aminopropyl triethoxysilane surface treatment, and its size distribution is D50=2～4 micron; Toughner is the mixture of styrene-maleic anhydride copolymer and ABS high glue powder, and its composite quality is than being 1:1; Oxidation inhibitor is the compound of antioxidant 1076 and 168, and its composite mass ratio is 1:2; Lubricant is pentaerythritol stearate.
Above-mentioned each raw material is processed by the following method:
Add high-speed mixer to mix after 2 minutes above-mentioned each raw material, add in TSE65B type twin screw extruder, under 200～235 ℃ of conditions of temperature, through melt extruding, cooling, granulation obtain low gloss PC/ABS alloy finished product for automotive trim, extrusion temperature is: 200 ℃, a district, 210 ℃, 2nd district, 220 ℃, 3rd district, 230 ℃, 4th district, 235 ℃, 5th district, 235 ℃, 6th district, 235 ℃, 7th district, 230 ℃, 8th district, 235 ℃, 9th district, 230 ℃ of heads.
Embodiment 2:
Prepare the raw material of each mass parts shown in following table 2:
Table 2
| Material name | Mass parts |
| PC?IR2200 | 62 |
| ABS3453 | 26 |
| The first matting agent | 3 |
| The second matting agent | 3 |
| Toughner | 5 |
| Oxidation inhibitor | 0.5 |
| Lubricant | 0.5 |
In table 2, ABS3453 is the dumb light level ABS resin that Sinopec Shanghai Gaoqiao Petrochemical Company is produced; Other raw material is identical with the table 1 of embodiment 1.
Each raw material in table 2 is processed by the working method of embodiment 1, obtained low gloss PC/ABS alloy finished product for automotive trim.
Embodiment 3:
Prepare the raw material of each mass parts shown in following table 3:
Table 3
| Material name | Mass parts |
| PC?IR2200 | 57 |
| ABS275 | 24 |
| The first matting agent | 5 |
| The second matting agent | 3 |
| Toughner | 10 |
| Oxidation inhibitor | 0.5 |
| Lubricant | 0.5 |
Raw material in table 3 is identical with the table 1 of embodiment 1.
Each raw material in table 3 is processed by the working method of embodiment 1, obtained low gloss PC/ABS alloy finished product for automotive trim.
Embodiment 4:
Prepare the raw material of each mass parts shown in following table 4:
Table 4
| Material name | Mass parts |
| PC?IR2200 | 57 |
| ABS3453 | 24 |
| The first matting agent | 5 |
| The second matting agent | 3 |
| Toughner | 10 |
| Oxidation inhibitor | 0.5 |
| Lubricant | 0.5 |
In table 4, ABS3453 is the dumb light level ABS resin that Sinopec Shanghai Gaoqiao Petrochemical Company is produced; Other raw material is identical with the table 1 of embodiment 1.
Each raw material in table 4 is processed by the working method of embodiment 1, obtained low gloss PC/ABS alloy finished product for automotive trim.
Embodiment 5:
Prepare the raw material of each mass parts shown in following table 5:
Table 5
| Material name | Mass parts |
| PC?IR2200 | 55 |
| ABS275 | 24 |
| The first matting agent | 5 |
| The second matting agent | 5 |
| Toughner | 10 |
| Oxidation inhibitor | 0.5 |
| Lubricant | 0.5 |
Raw material in table 5 is identical with the table 1 of embodiment 1.
Each raw material in table 5 is processed by the working method of embodiment 1, obtained low gloss PC/ABS alloy finished product for automotive trim.
Embodiment 6:
Prepare the raw material of each mass parts shown in following table 6:
Table 6
| Material name | Mass parts |
| PC?IR2200 | 64 |
| ABS275 | 28 |
| The first matting agent | 2 |
| The second matting agent | 2 |
| Toughner | 3 |
| Oxidation inhibitor | 0.5 |
| Lubricant | 0.5 |
Raw material in table 6 is identical with the table 1 of embodiment 1.
Each raw material in table 6 is processed by the working method of embodiment 1, obtained low gloss PC/ABS alloy finished product for automotive trim.
Below for adopting two comparative examples of conventional formulation:
Comparative example 1:
Prepare the raw material of each mass parts shown in following table 7:
Table 7
| Material name | Mass parts |
| PC?IR2200 | 62 |
| ABS0215A | 26 |
| BMAT | 3 |
| AX8900 | 3 |
| MBS2620 | 5 |
| Oxidation inhibitor | 0.5 |
| Lubricant | 0.5 |
In table 7, PC IR2200 is identical with embodiment 1; ABS0215A is the regular grade ABS resin of Jilin Province, China petrochemical iy produced; BMAT is cross-linked styrene-acrylonitrile copolymer that Compton Co.,Ltd produces, and is a kind of organic matting agent; AX8900 is the ethylene-methyl acrylate-glyceryl methacrylate terpolymer that Arkema produces; MBS2620 is the Methacrylate-butadiene-styrene that Rhom and Hass produces; Oxidation inhibitor is antioxidant 1010, one or more compounds of 1076 and 168; Lubricant is that pentaerythritol stearate is that PETS or ethylene bis stearic acid amide are EBS.
Each raw material in table 7 is processed by the working method of embodiment 1, obtained low gloss PC/ABS alloy finished product for automotive trim.
Comparative example 2:
Prepare the raw material of each mass parts shown in following table 8:
Table 8
| Material name | Mass parts |
| PC?IR2200 | 57 |
| ABS0215A | 24 |
| Fumed silica | 5 |
| AX8900 | 3 |
| MBS2620 | 10 |
| Oxidation inhibitor | 0.5 |
| Lubricant | 0.5 |
In table 8, it is cross-linked styrene-acrylonitrile copolymer that the fumed silica of producing with Degussa Ying Chuan company replaces BMAT, and other raw material is identical with comparative example 1.
Each raw material in table 8 is processed by the working method of embodiment 1, obtained low gloss PC/ABS alloy finished product for automotive trim.
Above-mentioned all embodiment and comparative example machining are obtained to low gloss PC/ABS alloy for automotive trim, and sample thief is tested by the following method: tensile strength is according to ASTMD638 standard testing, and draw speed is 50mm/min; Notched Izod impact strength is according to ASTMD256 standard testing; Vicat (vicat softening temperature) is according to ASTMD1525 standard testing; Melt index (MI) according to ASTMD1238 standard testing; Glossiness is according to ASTMD523 standard, common colour table after 60 ℃ of use GardenGlossMeter test 3mm and the surface luster of K31 dumb light dermatoglyph colour table, and to take gloss unit (GU) be unit record, wherein the glossiness of standard black sheet glass is 100GU.
Quantitative measurement the results are shown in following table 9, and glossiness test result sees the following form 10:
Table 9
Table 10
| 60 ° of angles | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 | Comparative example 1 | Comparative example 2 |
| Common colour table | 26.5 | 25.3 | 22.2 | 21.8 | 19.2 | 28.6 | 37.4 | 34.1 |
| K31 dermatoglyph plate | 4.8 | 4.6 | 4.2 | 4.1 | 3.8 | 5.1 | 6.3 | 6.0 |
As shown in Table 9, the low gloss PC/ABS alloy for automotive trim that embodiment 1-6 employing the present invention fills a prescription and produces, its tensile strength is minimum is 48MPa, notched Izod impact strength is minimum is 420J/m, vicat softening temperature is minimum is 115 ℃, melt index (260 ℃, 5Kg) minimum is 18.4g/10min; And the low gloss PC/ABS alloy for automotive trim that comparative example 1,2 adopts conventional formulation to produce, its tensile strength is up to 45MPa, notched Izod impact strength is up to 400J/m, vicat softening temperature is up to 112 ℃, melt (260 ℃ of indexes, 5Kg) be up to 15g/10min, be all starkly lower than the low gloss PC/ABS alloy for automotive trim that employing the present invention fills a prescription and produces.So automotive trim of the present invention is obviously better than low gloss PC/ABS alloy for orthodox car interior trim by the physicals of low gloss PC/ABS alloy.
As shown in Table 10, the low gloss PC/ABS alloy for automotive trim that embodiment 1-6 employing the present invention fills a prescription and produces, its glossiness Schwellenwert on common colour table is 19.2, the glossiness Schwellenwert on K31 dermatoglyph plate is 3.8; And the low gloss PC/ABS alloy for automotive trim that comparative example 1,2 adopts conventional formulation to produce, its glossiness Schwellenwert on common colour table is 34.1, the glossiness Schwellenwert on K31 dermatoglyph plate is 6.0.So, adopt the extinction effect of the low gloss PC/ABS alloy of conventional art production to be starkly lower than the low gloss PC/ABS alloy for automotive trim that employing the present invention fills a prescription and produces.
Above-described embodiment is preferred embodiment of the present invention; it is not the restriction to technical solution of the present invention; so long as the technical scheme that can realize on the basis of above-described embodiment without creative work all should be considered as falling within the scope of the rights protection of patent of the present invention.
Claims (10)
1. a low gloss PC/ABS alloy for automotive trim, is characterized in that: the preparation of raw material by following mass parts forms:
Described the first matting agent is superfine talcum powder, described the second matting agent is the mixture of maleic anhydride graft styrene-butadiene-styrene and fumed silica, and described toughner is the mixture of styrene-maleic anhydride copolymer and ABS high glue powder.
2. low gloss PC/ABS alloy for automotive trim according to claim 1, is characterized in that: the size distribution of described the first matting agent is D50=1～2 micron, D95=3～6.5 micron, 800 ℃ of calcinations rate of loss≤3% after 2 hours.
3. low gloss PC/ABS alloy for automotive trim according to claim 1, is characterized in that: in described the second matting agent, maleic anhydride graft styrene-butadiene-styrene is 7:3 with the composite quality ratio of fumed silica.
4. low gloss PC/ABS alloy for automotive trim according to claim 3, is characterized in that: the percentage of grafting of described maleic anhydride graft styrene-butadiene-styrene is 0.8%～1.2%.
5. low gloss PC/ABS alloy for automotive trim according to claim 3, is characterized in that: described fumed silica is through γ-aminopropyl triethoxysilane surface treatment, and its size distribution is D50=2～4 micron.
6. low gloss PC/ABS alloy for automotive trim according to claim 1, is characterized in that: in described toughner, styrene-maleic anhydride copolymer is 1:1 with the composite quality ratio of ABS high glue powder.
7. low gloss PC/ABS alloy for automotive trim according to claim 1, is characterized in that: described PC resin is middle viscosity PC resin, and its melting index is 10～13g/10min.
8. low gloss PC/ABS alloy for automotive trim according to claim 1, is characterized in that: described ABS resin is dumb light level ABS275 or ABS3453.
9. low gloss PC/ABS alloy for automotive trim according to claim 1, is characterized in that: described oxidation inhibitor is the compound of antioxidant 1076 and 168, and its composite mass ratio is 1:2.
10. low gloss PC/ABS alloy for automotive trim according to claim 1, is characterized in that: described lubricant is pentaerythritol stearate.
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| CN107298827A (en) * | 2017-06-29 | 2017-10-27 | 上海金山锦湖日丽塑料有限公司 | Low gloss heat-resisting ABS resin and preparation method thereof |
| CN108504061A (en) * | 2017-02-28 | 2018-09-07 | 汉达精密电子(昆山)有限公司 | Low-temperature impact-resistant PC/ABS composite materials and products thereof |
| CN108610985A (en) * | 2016-12-16 | 2018-10-02 | 远东新世纪股份有限公司 | Low-gloss sheet and molded article thereof |
| CN108864676A (en) * | 2017-05-11 | 2018-11-23 | 上海奥塞尔材料科技有限公司 | A kind of weatherability cloudy surface polycarbonate regenerated material and preparation method thereof |
| CN108948707A (en) * | 2017-05-25 | 2018-12-07 | 合肥杰事杰新材料股份有限公司 | A kind of low-luster polycarbonate/acrylonitrile-butadiene-styrene alloy material for automobile interiors |
| CN109181263A (en) * | 2018-07-25 | 2019-01-11 | 天津金发新材料有限公司 | A kind of low VOC low gloss PC/ABS alloy material |
| CN109836757A (en) * | 2017-11-27 | 2019-06-04 | 博富科技股份有限公司 | Low gloss low-density HI high impact high heat resistance PC/ABS alloy material and preparation method thereof |
| CN111500042A (en) * | 2020-03-25 | 2020-08-07 | 上海金发科技发展有限公司 | Matte PC/ABS alloy material and preparation method thereof |
| CN113817304A (en) * | 2021-09-18 | 2021-12-21 | 金旸（厦门）新材料科技有限公司 | Composite nano silicon dioxide modified PC/ABS alloy material and preparation method thereof |
| CN115895227A (en) * | 2022-11-17 | 2023-04-04 | 湖北合聚高分子材料有限公司 | Low-gloss PC/ABS flame-retardant material and preparation method thereof |
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| CN108610985A (en) * | 2016-12-16 | 2018-10-02 | 远东新世纪股份有限公司 | Low-gloss sheet and molded article thereof |
| CN108610985B (en) * | 2016-12-16 | 2020-06-16 | 远东新世纪股份有限公司 | Low-gloss sheet and molded article thereof |
| CN108504061A (en) * | 2017-02-28 | 2018-09-07 | 汉达精密电子(昆山)有限公司 | Low-temperature impact-resistant PC/ABS composite materials and products thereof |
| CN108864676A (en) * | 2017-05-11 | 2018-11-23 | 上海奥塞尔材料科技有限公司 | A kind of weatherability cloudy surface polycarbonate regenerated material and preparation method thereof |
| CN108948707A (en) * | 2017-05-25 | 2018-12-07 | 合肥杰事杰新材料股份有限公司 | A kind of low-luster polycarbonate/acrylonitrile-butadiene-styrene alloy material for automobile interiors |
| CN107298827A (en) * | 2017-06-29 | 2017-10-27 | 上海金山锦湖日丽塑料有限公司 | Low gloss heat-resisting ABS resin and preparation method thereof |
| CN109836757A (en) * | 2017-11-27 | 2019-06-04 | 博富科技股份有限公司 | Low gloss low-density HI high impact high heat resistance PC/ABS alloy material and preparation method thereof |
| CN109181263A (en) * | 2018-07-25 | 2019-01-11 | 天津金发新材料有限公司 | A kind of low VOC low gloss PC/ABS alloy material |
| CN111500042A (en) * | 2020-03-25 | 2020-08-07 | 上海金发科技发展有限公司 | Matte PC/ABS alloy material and preparation method thereof |
| CN113817304A (en) * | 2021-09-18 | 2021-12-21 | 金旸（厦门）新材料科技有限公司 | Composite nano silicon dioxide modified PC/ABS alloy material and preparation method thereof |
| CN115895227A (en) * | 2022-11-17 | 2023-04-04 | 湖北合聚高分子材料有限公司 | Low-gloss PC/ABS flame-retardant material and preparation method thereof |
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