CN105111698A - Anti-aging plastic car instrument board and preparation method thereof - Google Patents
Anti-aging plastic car instrument board and preparation method thereof Download PDFInfo
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- CN105111698A CN105111698A CN201510596624.9A CN201510596624A CN105111698A CN 105111698 A CN105111698 A CN 105111698A CN 201510596624 A CN201510596624 A CN 201510596624A CN 105111698 A CN105111698 A CN 105111698A
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Abstract
The invention discloses an anti-aging plastic car instrument board and a preparation method thereof, wherein the anti-aging plastic car instrument board comprises components with parts by weight: polybutylece terephthalate (PBT) plastics 100 parts, polycarbonate (PC) plastics 30-70 parts, glass resins 10-20 parts and an anti-aging agent 0.1-0.5 part, wherein the anti-aging agent comprises components with percentage by weight: beta (Beta) - (4 '- hydroxy - 3', 5 '- two tertiary butyl phenyl) octadecyl propionate 30-50%, double octadecyl pentaerythritol octahydrogen tetraphosphate 20-40% and 3, 3 '- thio dodecyl propionate 20-40%. The anti-aging plastic car instrument board has high pull-up strength, bending modulus and gap impact strength.
Description
Technical field
The present invention relates to a kind of fascia and preparation method thereof, particularly relate to a kind of anti-aging Plastic automobile dashboard and preparation method thereof.
Background technology
PBT resin, Chinese is polybutylene terephthalate, English name: polybutyleneterephthalate(is called for short PBT), belong to polyester series, by 1,4-butyleneglycol (1.4-Butyleneglycol) and terephthalic acid (PTA) or terephthalate (DMT) polycondensation form, and the oyster white made via mixing program is translucent to opaque, crystalline thermoplastic polyester's resin.Thermoplastic polyester is referred to as together with PET, or saturated polyester.
PBT resin has high heat resistance, toughness, resistance to fatigue, self-lubricating, low-friction coefficient, and weathering resistance, water-intake rate are low, are only 0.1%, still keep various physical property (comprising electrical property), electrical insulating property, but volume resistance, dielectric loss is large in wet environment.Heat-proof water, bases, acids, oils but be subject to halon and corrode, hydrolytic resistance is poor, can crystallization rapidly under low temperature, good forming ability.Nonflammable, during burning, absence of liquid flows down, and extinguishes after leaving flame within 5 seconds.
Due to PBT there is thermotolerance, weathering resistance, resistance to chemical reagents, electrical specification is good, water-absorbent is little, gloss is good, be widely used in electronic apparatus, auto parts, machinery, houseware etc., and PBT product is five general greatly engineering plastics with nominals such as PPS, PC, POM, PA.
PC plastics, Chinese: polycarbonate, English name: Polycarbonate reacts by ester-interchange method (or claiming scorification) polycarbonate resin be polymerized by the third diphenol (bisphenol-a) in dihydroxyl compound, the diphenyl carbonate (diphenylcarbonate) in carbonate cpds.PC plastics are thermoplastic engineering plastics of a kind of excellent property, there is outstanding impact resistance, resistance to creep and good stability of the dimension, heat-resisting, water-intake rate is low, nontoxic, dielectric properties are excellent, being the product uniquely in five large-engineering plastics with good transparency, is also the general engineering plastic that rate of growth is the fastest in recent years.Three large Application Areass of PC engineering plastics are glazing, automotive industry and electronics, electrical equipment industry.
Along with the development of society, people's living standard improves day by day, and automobile becomes a part for people's life gradually.The requirement of people to automobile is also more and more higher, not only requires that automobile has good use properties, and pursuit automobile has good appearance profile and the interior trim of Comfortable attractive.Automotive upholstery, mainly refer to the automobile product used by automotive interior repacking, relate to the every aspect of automotive interior, such as glove box, automobile seat backboard, automobile elbow-board, automobile side plate, column guard board, door-plate, fascia, Automobile Dashboard, undertray, case for radio and central control station etc. are all automotive upholstery products.Automotive trim system is the important component part of body of a motor car, and the design efforts would of interior decoration system accounts for more than 60% of car shape-designing workload, far exceedes car conour, is one of most important part of vehicle body.
The interior trim of automobile mainly contains plastic component and forms, and therefore the quality of injectable plastic material is the important factor affecting automotive trim, and the plastic material of research automotive upholstery is significant.
Summary of the invention
For above shortcomings in prior art, one of technical problem to be solved by this invention, two of technical problem to be solved by this invention provides the preparation method of above-mentioned anti-aging Plastic automobile dashboard.
The present invention seeks to be achieved through the following technical solutions:
A kind of anti-aging Plastic automobile dashboard, is characterized in that, comprise the component of following weight parts: PBT plastic 100 parts, PC plastics 30-70 part, glass resin 10-20 part, antiaging agent 0.1-0.5 part, oxygenant 0.1-0.3 part.
Further,
Described antiaging agent is made up of following compositions in weight percentage: β-(4'-hydroxyl-3', 5'-di-tert-butyl-phenyl) propionic acid octadecyl ester 30-50%, two octadecyl pentaerythritol phosphate 20-40%, 3,3'-thio-2 acid dodecyl ester 20-40%;
Present invention also offers the preparation method of above-mentioned automotive upholstery with anti-aging PP/HDPE plastics:
Take each raw material by proportioning, after mixing, melting mixing, extruding pelletization, namely obtain the anti-aging PP/HDPE plastics of described automotive upholstery.
Obviously, in the present invention for improving other performances of product, other auxiliary agents can also be added adaptively, as fire retardant, tinting material and static inhibitor etc.
Concrete, in the present invention: β-(4'-hydroxyl-3', 5'-di-tert-butyl-phenyl) propionic acid octadecyl ester, also known as antioxidant 1076, English name: antioxidant1076, molecular formula C
35h
62o
3, molecular weight 530.87.
Two octadecyl pentaerythritol phosphate, Chinese another name: distearyl pentaerythritol diphosphite, antioxidant 618, English name: 3,9-bis (octadecyloxy)-2,4,8,10-tetraoxa-3,9-dipho, No. CAS: 3806-34-6, No. EC: 223-276-6, molecular formula: C
41h
82o
6p
2, molecular weight: 733.0337.
3,3'-thio-2 acid dodecyl ester, Chinese another name: Tyox B, oxidation inhibitor DLTDP, molecular weight: 514.95.
Glass resin, is called for short glass, English by name: glassfiber or fiberglass, english abbreviation is GF, CAS
Number: 14808-60-7, glass resin is higher than organic fibre heatproof, does not fire, anti-corruption, heat insulation, sound-proofing good (particularly glass wool), and tensile strength is high, electrical insulating property good (as non-alkali glass resin).Can be used as strongthener, be used for manufacturing the goods such as reinforced plastics.The PBT plastic that glass resin strengthens, has better tensile strength, modulus in flexure and notched Izod impact strength.
The main component of glass resin is silicon-dioxide, aluminum oxide, calcium oxide, boron oxide, magnesium oxide, sodium oxide etc., according to the number of alkali content in glass, non-alkali glass resin (sodium oxide 0% ~ 2% can be divided into, belong to aluminium borosilicate glass), middle alkali glass resin (sodium oxide 8% ~ 12%, the soda lime glass of genus boracic or not boracic) and high alkali glass resin (sodium oxide more than 13% belongs to soda lime glass).
According to the actual demand of user, different types of glass resin can be selected in the present invention, thus make the PBT plastic of fiberglass reinforced have the advantage of different aspect, also can select the mixture of several glass resin.
Contriver finds unexpectedly, by β-(4'-hydroxyl-3', 5'-di-tert-butyl-phenyl) propionic acid octadecyl ester, two octadecyl pentaerythritol phosphate, 3,3'-thio-2 acid dodecyl ester carries out composite use, its antiageing effect obviously strengthens, and its mechanism need the further research and inquirement of contriver.Draw high intensity, flexural strength, modulus in flexure and shock strength all comparatively to meet the demands simultaneously.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1
After taking each raw material according to embodiment 1 data corresponding in table 1, add in super mixer and stir, control rotating speed at 500-800r/min, whipping temp 70-90 DEG C, churning time 5-10 minute, again through screw extrusion press extruding pelletization, extrusion temperature 190-240 DEG C, cooling, obtains plastic grain; Above-mentioned plastic grain is added injection moulding in injection moulding machine, obtained described anti-aging Plastic automobile dashboard.
Table 1: anti-aging Plastic automobile dashboard formula table unit: kilogram
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 | Comparative example | |
| PBT plastics | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| PC plastics | 30 | 70 | 40 | 40 | 40 | 40 | 40 |
| Glass resin | 10 | 20 | 15 | 15 | 15 | 15 | 15 |
| Antioxidant 1076 | 0.1 | 0.2 | 0.2 | 0.5 | / | 0.2 | / |
| Antioxidant 618 | 0.08 | 0.08 | 0.15 | / | 0.5 | / | / |
| Oxidation inhibitor DLTDP | 0.04 | 0.16 | 0.15 | / | / | 0.3 | / |
In public table 1, selected PBT plastic is the PBTGX-121 that Yizheng Chemical Fiber Co., Ltd., SINOPEC produces; Selected PC plastics are the PC2805 that Dongguan City Dong Yue plastic material company limited produces; Selected glass resin is the alkali-free short glass fiber that the limited department of the emerging glass of Hengshui skill produces.
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 anti-aging Plastic automobile dashboard.
Embodiment 3
Embodiment takes each raw material according to embodiment 3 data corresponding in table 1.The method described in embodiment 1 is adopted to prepare described anti-aging Plastic automobile dashboard.
Embodiment 4
Each raw material is taken according to 4 data corresponding in table 1.The method described in embodiment 1 is adopted to prepare described anti-aging Plastic automobile dashboard.
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 anti-aging Plastic automobile dashboard.
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 anti-aging Plastic automobile dashboard.
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 anti-aging Plastic automobile dashboard.
Claims (3)
1. an anti-aging Plastic automobile dashboard, is characterized in that, comprises the component of following weight parts: PBT plastic 100 parts, PC plastics 30-70 part, glass resin 10-20 part, antiaging agent 0.1-0.5 part, oxygenant 0.1-0.3 part.
2. anti-aging Plastic automobile dashboard as claimed in claim 1, it is characterized in that, described antiaging agent is made up of following compositions in weight percentage: β-(4'-hydroxyl-3', 5'-di-tert-butyl-phenyl) propionic acid octadecyl ester 30-50%, two octadecyl pentaerythritol phosphate 20-40%, 3,3'-thio-2 acid dodecyl ester 20-40%.
3. a preparation method for anti-aging Plastic automobile dashboard as claimed in claim 1 or 2, is characterized in that, is made up of following step:
(1) add in super mixer and stir, through forcing machine extruding pelletization, obtained plastic grain;
(2) above-mentioned plastic grain is added injection moulding in injection moulding machine, obtained described anti-aging Plastic automobile dashboard.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109486007A (en) * | 2018-10-28 | 2019-03-19 | 汪家琳 | A kind of fire retardant new material of transparent elastic and Manufacturing approach and use |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103214800A (en) * | 2013-04-16 | 2013-07-24 | 上海瀚氏模具成型有限公司 | Anti-aging plastic automobile instrument panel and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103214800A (en) * | 2013-04-16 | 2013-07-24 | 上海瀚氏模具成型有限公司 | Anti-aging plastic automobile instrument panel and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109486007A (en) * | 2018-10-28 | 2019-03-19 | 汪家琳 | A kind of fire retardant new material of transparent elastic and Manufacturing approach and use |
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Application publication date: 20151202 |