CN103059543B - Anti-impact modified polycarbonate plastics for automotive interior parts and preparation method thereof - Google Patents
Anti-impact modified polycarbonate plastics for automotive interior parts and preparation method thereof Download PDFInfo
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- CN103059543B CN103059543B CN201310024254.2A CN201310024254A CN103059543B CN 103059543 B CN103059543 B CN 103059543B CN 201310024254 A CN201310024254 A CN 201310024254A CN 103059543 B CN103059543 B CN 103059543B
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Abstract
The invention discloses anti-impact modified polycarbonate plastics for automotive interior parts and a preparation method thereof. The polycarbonate plastics comprise the following ingredients in parts by weight: 100 parts of polycarbonate, 10-20 parts of calcium carbonate nanoparticles, 1-5 parts of coupling agent, 15-40 parts of anti-impact modifier and 10-35 parts of filler modifier. The preparation method comprises the following steps of: weighing raw materials according to a proportioning ratio, mixing the raw materials to be uniform, then, carrying out melting compounding, and carrying out extrusion pelleting, thereby obtaining the polycarbonate plastics. The anti-impact modified polycarbonate plastics for the automotive interior parts, disclosed by the invention, have the appearance and performance of a rubber body, have higher pulling strength, bending strength, bending modulus and gap impact strength and can be easily processed into automotive interior parts of various shapes through an injection molding process, such as a glove box inner cover plate, a glove box bucket, a vice instrument panel body, a storage box liner and a panel storage box.
Description
Technical field
The present invention relates to a kind of plastics and preparation method thereof, particularly relate to a kind of automotive upholstery impact resistant-modified polycarbonate plastics and preparation method thereof.
Background technology
Polycarbonate plastic, is called for short PC plastics, and be the high molecular polymer containing carbonate group in molecular chain, the structure according to ester group can be divided into the broad varietys such as aliphatics, aromatic series, aliphatic-aromatic.Mechanical property wherein due to aliphatics and aliphatic-aromatic polycarbonate is lower, thus limits its application in engineering plastics.The suitability for industrialized production at present only having aromatic copolycarbonate to obtain.Due to the singularity on polycarbonate structure, now become the general engineering plastic that in five large-engineering plastics, rate of growth is the fastest.
But the shock resistance of the goods of PC plastics is not good, this greatly limits the application of PC plastics in some field.
Summary of the invention
For above shortcomings in prior art, one of technical problem to be solved by this invention provides a kind of automotive upholstery impact resistant-modified polycarbonate plastics.
Two of technical problem to be solved by this invention provides the preparation method of above-mentioned automotive upholstery impact resistant-modified polycarbonate plastics.
The present invention seeks to be achieved through the following technical solutions:
A kind of automotive upholstery impact resistant-modified polycarbonate plastics, comprise the component of following weight parts:
Polycarbonate 100 parts,
Calcium carbonate nano particle 10-20 part,
Coupling agent 1-5 part,
Anti-impact modifier 15-40 part,
Filling modifying agent 10-35 part.
Preferably, described automotive upholstery impact resistant-modified polycarbonate plastics, comprise the component of following weight parts:
Polycarbonate 100 parts,
Calcium carbonate nano particle 10-20 part,
Coupling agent 1-5 part,
Anti-impact modifier 20-30 part,
Filling modifying agent 20-25 part.
Further,
Described coupling agent is β-(3，4-epoxycyclohexyl)ethyl trimethoxysilane or γ-glycidyl ether oxygen propyl trimethoxy silicane.
Described anti-impact modifier is one in styrene-butadiene-styrene block copolymer, the styrene-butadiene-styrene block copolymer of hydrogenation, chlorinatedpolyethylene, SA dioctyl ester or its mixture.
Described filling modifying agent is one in talcum powder, calcium carbonate and glass fibre or its mixture.
Preferably,
Described anti-impact modifier, is made up of by weight following component:
Styrene-butadiene-styrene block copolymer 50-60 part of styrene-butadiene-styrene block copolymer or hydrogenation,
Chlorinatedpolyethylene 20-40 part,
SA dioctyl ester 10-30 part.
Described filling modifying agent, is made up of by weight following component:
Talcum powder 40-70 part,
Calucium Silicate powder 10-30 part,
Glass fibre 10-30 part.
Present invention also offers the preparation method of above-mentioned automotive upholstery impact resistant-modified polycarbonate plastics:
Take each raw material by proportioning, after mixing, melting mixing, extruding pelletization, namely obtain described automotive upholstery impact resistant-modified polycarbonate plastics.
Obviously, in the present invention for improving other performances of product, other auxiliary agents can also be added adaptively, as fire retardant, static inhibitor, tinting material etc.
Concrete, in the present invention:
The particle diameter of calcium carbonate nano particle is 10-80 μm.
β-(3，4-epoxycyclohexyl)ethyl trimethoxysilane, English name: beta-(3,4-Epoxycyclohexyl) ethyl trimethoxy silane, No. CAS: 3388-04-3, No. EINECS: 222-217-1, molecular formula: C
11h
22o
4si, molecular weight: 246.3755.
γ-glycidyl ether oxygen propyl trimethoxy silicane, English name: 3-Glycidyloxypropyltrimethoxysilane, CAS NO:2530-83-8, molecular formula: C
9h
20o
5si molecular weight: 236.34.
MBS, English name: MethacryIate-Butadiene-Styrene copolymer, being abbreviated as MBS, is the armorphous thermoplastic copolymer of ternary formed with methyl methacrylate, divinyl and vinylbenzene.
Chlorinatedpolyethylene, chlorinated polyethylene, CPE, the mass percent of chlorine is generally 25% ~ 45%, nonpoisonous and tasteless, there is excellent weather resisteant, resistance to ozone, chemical-resistant resistance and ageing-resistant performance, there is good oil-proofness, flame retardant resistance and tinctorial property.Toughness is good, and have good consistency with other macromolecular material, decomposition temperature is higher.
SA dioctyl ester (dioctyl sebacate), have another name called: sebacic acid two (2-ethyl hexyl) ester, sebacic acid dioctyl ester (bis (2-ethylhexyl) sebacate), di 2 ethylhexyl sel, be called for short DOS, No. CAS: 2432-87-3, molecular formula: C
26h
50o
4, molecular weight: 426.68.
Talcum powder, No. CAS: 14807-96-6, molecular formula: Mg
3[Si
4o
10] (OH)
2, molecular weight: 260.8617.
Calucium Silicate powder, English name: calcium silicate, No. CAS: 1344-95-2, molecular formula CaSiO
3, EINECS 233-250-6.
Glass fibre, Chinese another name: glass wool, glass microsphere, boron sikicate aluminum calcium, English name: GlassFiber, No. CAS: 65997-17-3.In the present invention, preferred glass fibre is staple fibre and alkali free glass fibre.
In the present invention, MBS, chlorinatedpolyethylene, SA dioctyl ester are carried out composite use, its impact modification effect is more excellent, there is collaborative impact modification effect, and to PC plastics, there is toughening effect, improve winter hardiness, its mechanism need the further research and inquirement of contriver.
And contriver finds unexpectedly, use talcum powder, calcium carbonate and glass fibre to carry out filling-modified, the action effect of anti-impact modifier can be strengthened.PC plastics modulus in flexure and shock strength etc. is made to reach larger raising.
Automotive upholstery impact modification PC plastics of the present invention, there is rubber bodies outward appearance and performance, the automotive upholstery of different shape can be processed into easily, as glove box inner cover plate, gloves hopper, accessory instrument panel body, storage box liner, panel parcel tray by Shooting Technique.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1
Each raw material is taken according to embodiment 1 data corresponding in table 1.Each component is mixed in high-speed mixer, control rotating speed at 300-400 rev/min, mixing 5-10 minute, melting mixing, extruding pelletization in twin screw extruder again, the polycarbonate material extruded cooling forming in the cold water of 10-40 DEG C, namely obtains described automotive upholstery impact resistant-modified polycarbonate plastics.
Table 1: automotive upholstery impact resistant-modified polycarbonate plastic formula list position: kilogram
Embodiment 2
Each raw material is taken according to embodiment 2 data corresponding in table 1.The method described in embodiment 1 is adopted to prepare described automotive upholstery impact resistant-modified polycarbonate plastics.
Embodiment 3
Each raw material is taken according to embodiment 3 data corresponding in table 1.The method described in embodiment 1 is adopted to prepare described automotive upholstery impact resistant-modified polycarbonate plastics.
Embodiment 4
Each raw material is taken according to embodiment 4 data corresponding in table 1.The method described in embodiment 1 is adopted to prepare described automotive upholstery impact resistant-modified polycarbonate plastics.
Embodiment 5
Each raw material is taken according to embodiment 5 data corresponding in table 1.The method described in embodiment 1 is adopted to prepare described automotive upholstery impact resistant-modified polycarbonate plastics.
Embodiment 6
Each raw material is taken according to embodiment 6 data corresponding in table 1.The method described in embodiment 1 is adopted to prepare described automotive upholstery impact resistant-modified polycarbonate plastics.
Embodiment 7
Each raw material is taken according to embodiment 7 data corresponding in table 1.The method described in embodiment 1 is adopted to prepare described automotive upholstery impact resistant-modified polycarbonate plastics.
Comparative example
Each raw material is taken according to comparative example data corresponding in table 1.The method described in embodiment 1 is adopted to prepare described automotive upholstery impact resistant-modified polycarbonate plastics.
Test case
The tensile strength of the polycarbonate plastic of embodiment 1 ~ 7 and comparative example, flexural strength, modulus in flexure and notched Izod impact strength are tested.
Table 2: polycarbonate plastic performance test table
| Draw high intensity/Mpa | Flexural strength/Mpa | Modulus in flexure/Mpa | Notched Izod impact strength/KJ/m 2 | |
| Embodiment 1 | 52 | 70 | 2040 | 30 |
| Embodiment 2 | 55 | 69 | 2080 | 29 |
| Embodiment 3 | 54 | 72 | 2130 | 33 |
| Embodiment 4 | 52 | 70 | 2115 | 20 |
| Embodiment 5 | 49 | 71 | 2005 | 22 |
| Embodiment 6 | 51 | 69 | 2100 | 19 |
| Embodiment 7 | 53 | 72 | 2095 | 25 |
| Comparative example | 48 | 66 | 2020 | 11 |
Can significantly be drawn by test data, MBS, chlorinatedpolyethylene, SA dioctyl ester are carried out composite use, its impact modification effect is more excellent, there is collaborative impact modification effect, and to PC plastics, there is toughening effect, use talcum powder, calcium carbonate and glass fibre composite, carry out filling-modified as filling modifying agent to PC plastics, the action effect of anti-impact modifier can be strengthened.PC plastics modulus in flexure and shock strength etc. is made to reach larger raising.
The above; be only the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any those of ordinary skill in the art are in the technical scope disclosed by the present invention; the change can expected without creative work or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should limit with claims is as the criterion.
Claims (4)
1. automotive upholstery impact resistant-modified polycarbonate plastics, is characterized in that, comprise the component of following weight parts:
Polycarbonate 100 parts,
Calcium carbonate nano particle 10-20 part,
Coupling agent 1-5 part,
Anti-impact modifier 15-40 part,
Filling modifying agent 10-35 part;
Described anti-impact modifier, is made up of by weight following component:
MBS 50-60 part,
Chlorinatedpolyethylene 20-40 part,
Dioctyl sebacate 10-30 part;
Described filling modifying agent, is made up of by weight following component:
Talcum powder 40-70 part,
Calucium Silicate powder 10-30 part,
Glass fibre 10-30 part.
2. automotive upholstery impact resistant-modified polycarbonate plastics as claimed in claim 1, is characterized in that, comprise the component of following weight parts:
Polycarbonate 100 parts,
Calcium carbonate nano particle 10-20 part,
Coupling agent 1-5 part,
Anti-impact modifier 20-30 part,
Filling modifying agent 20-25 part.
3. automotive upholstery impact resistant-modified polycarbonate plastics as claimed in claim 1 or 2, it is characterized in that: described coupling agent is β-(3,4-epoxycyclohexyl) ethyl trimethoxy silane or γ-glycidyl ether oxygen propyl trimethoxy silicane.
4. the preparation method of impact resistant-modified polycarbonate plastics of the automotive upholstery according to any one of claim 1-3, it is characterized in that: take each raw material by proportioning, after mixing, melting mixing, extruding pelletization, namely obtain described automotive upholstery impact resistant-modified polycarbonate plastics.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104031374B (en) * | 2014-06-10 | 2016-02-24 | 惠州市沃特新材料有限公司 | Polycarbonate compositions and preparation method thereof |
| CN104672881A (en) * | 2015-02-27 | 2015-06-03 | 江苏雨燕模业科技有限公司 | High-transparency weather-proof plastic material and lampshade production process |
| CN106751666A (en) * | 2016-12-16 | 2017-05-31 | 芜湖天鸿汽车零部件有限公司 | A kind of arrangements for automotive doors interior trim plastic plate and preparation method thereof |
| CN106883581A (en) * | 2017-04-24 | 2017-06-23 | 泉州信息工程学院 | A kind of antibacterial drinking water apparatus |
| CN108641326A (en) * | 2018-05-07 | 2018-10-12 | 安徽悦尔伟塑料机械有限公司 | Modified shock resistance creep-resistant plastics and preparation method thereof |
| CN108676343A (en) * | 2018-05-07 | 2018-10-19 | 安徽悦尔伟塑料机械有限公司 | Shock resistance creep resistant mechanical arm and preparation method thereof |
| CN109021530A (en) * | 2018-06-19 | 2018-12-18 | 王秀玲 | A kind of material for car interior trim parts and preparation method thereof |
| CN110317444A (en) * | 2019-07-11 | 2019-10-11 | 安徽欧通机电科技股份有限公司 | A kind of shock resistance light plastic formula with transparent effect |
| CN115044154B (en) * | 2022-08-17 | 2022-10-25 | 山东东临新材料股份有限公司 | Composite material containing MBS resin and preparation method thereof |
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| CN101885907A (en) * | 2010-07-09 | 2010-11-17 | 深圳市科聚新材料有限公司 | Polycarbonate modified material used in sunshade board of LED lamp and preparation method thereof |
| CN102649872A (en) * | 2011-02-23 | 2012-08-29 | 苏州汉扬精密电子有限公司 | Modified PC (Poly Carbonate)/ABS (Acrylonitrile Butadiene Styrene) alloy |
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| US8440762B2 (en) * | 2011-01-14 | 2013-05-14 | Sabic Innovative Plastics Ip B.V. | Polymer compositions, method of manufacture, and articles formed therefrom |
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| CN101597408A (en) * | 2009-07-03 | 2009-12-09 | 广西壮族自治区煤炭科学研究所 | Matrix material of alternative ABS and preparation method thereof |
| CN101885907A (en) * | 2010-07-09 | 2010-11-17 | 深圳市科聚新材料有限公司 | Polycarbonate modified material used in sunshade board of LED lamp and preparation method thereof |
| CN102649872A (en) * | 2011-02-23 | 2012-08-29 | 苏州汉扬精密电子有限公司 | Modified PC (Poly Carbonate)/ABS (Acrylonitrile Butadiene Styrene) alloy |
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