CN101550268B - Polybutylene terephthalate material used for decorative ring of vehicle lamp - Google Patents
Polybutylene terephthalate material used for decorative ring of vehicle lamp Download PDFInfo
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- CN101550268B CN101550268B CN2009100313912A CN200910031391A CN101550268B CN 101550268 B CN101550268 B CN 101550268B CN 2009100313912 A CN2009100313912 A CN 2009100313912A CN 200910031391 A CN200910031391 A CN 200910031391A CN 101550268 B CN101550268 B CN 101550268B
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- polybutylene terephthalate
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Abstract
The invention relates to a polybutylene terephthalate material used for a decorative ring of a vehicle lamp, which consists of the following raw materials by weight percentage: 0.1 to 0.5 percent of hindered phenol antioxidant, 0.1 to 0.5 percent of phosphorous ester antioxidant, 0.1 to 5 percent of polyethylene wax, 0.1 to 5 percent of composite nucleating agent, 69 to 98.6 percent of polybutylene terephthalate and 1 to 20 percent of talcum powder or kaolin; the composite nucleating agent is a complex which consists of at least one of calcium carbonate, silicon dioxide, bentonite, sodium carbonate, potassium carbonate and boron nitride with the particle size of 0.01 to 1 micron and at least one of sodium benzoate of organic nucleating agent, sorbitan dibenzyl, calcium stearate, sodium acetate, para-sodium phenolsulfonate, para-calcium phenolsulfonate and sodium phenolate. The polybutylene terephthalate material improves surface property of the material and saves the procedure of spraying primer in the spraying process, thus reducing labour cost and material cost and reducing defective products due to reduction of one procedure.
Description
Technical field
The present invention relates to a kind of used for decorative ring of vehicle lamp polybutylene terephthalate material, particularly a kind of spray base in advance that do not need, direct aluminized polybutylene terephthalate engineering plastics.
Background technology
The decorative ring of vehicle lamp material is main with heat-stable PC (Polycarbonate, polycarbonate) material in the past always, in recent years gradually by PBT/PET (polybutylece terephthalate, polybutylene terephthalate; Polyethyleneterephthalate, polyethylene terephthalate) adding mineral-filled material substitutes.The PBT/PET class material advantage outstanding with respect to heat-resisting PC is that resistance toheat is good, cost is low, material price is compared with heat-resisting PC, and cost reduces about 40%.The PBT/PET series products also has the surface gloss height, good processing stability, and characteristics such as good hydrolytic resistance and excellent flowability can realize speculum and case ring integrated of headlight.
In processing decorative ring of vehicle lamp process, need to adopt vacuum evaporation technology that the decorative ring of vehicle lamp material is carried out metalized.The technical process of vacuum evaporation technology is: decorative ring of vehicle lamp material surface cleaning → go static → spray base → baking priming paint → vacuum plating → topcoating → baking finish paint → packing.Spraying priming paint mainly is because material surface is smooth inadequately on the decorative ring of vehicle lamp material, if direct plated film then can cause that workpiece surface is rough, gloss is low, the metal sense is poor, and undesirable conditions such as bubble, bubble could appear.Material after through spraying priming paint, the plastic component surface smooth that becomes not only, and stopped the suction phenomenon of plastics, thus make the mirror effect of vacuum evaporation be able to represent.
Although can obtain good electroplating effect through spraying priming paint, also can bring following point thereupon: 1, increase cost; 2, increase the PT of unit product, production efficiency reduces; 3, the product processes link is complicated, and fraction defective increases; 4, priming paint solvent evaporates contaminate environment; 5, can't reach some particular design effects (like the dermatoglyph design) etc.
Summary of the invention
The present invention provides a kind of used for decorative ring of vehicle lamp polybutylene terephthalate material, and purpose is to solve existing decorative ring of vehicle lamp material needs spray base in the course of processing problem.
For achieving the above object, the technical scheme that the present invention adopts is: a kind of used for decorative ring of vehicle lamp polybutylene terephthalate material, form by the starting material of following weight percentage:
Hinered phenols antioxidant 0.1%～0.5%;
Phosphite antioxidant 0.1%～0.5%;
Polyethylene wax 0.1%～5%;
Composite nucleating agent 0.1%～5%;
Polybutylene terephthalate 69%～98.6%;
Talcum powder or kaolin 1%～20%;
Said composite nucleating agent is that grain diameter is the mixture of at least a composition at least a and organic nucleating agent Sodium Benzoate, sorbyl alcohol dibenzyl ester, calcium stearate, sodium-acetate, p-phenolsulfonic acid's sodium, p-phenolsulfonic acid's calcium and the sodium phenylate in 0.01～1 micron the lime carbonate, silicon-dioxide, talcum powder, wilkinite, yellow soda ash, salt of wormwood, SP 1.
Related content in the technique scheme is explained as follows:
1, in the such scheme, said Hinered phenols antioxidant is a kind of, two kinds or the two or more mixture in the following compounds:
2,6-di-t-butyl-4-cresols (antioxidant 264);
Octadecyl-3, two (1, the 1-the dimethyl ethyl)-4-hydroxy benzoic propionates (antioxidant 1076) of 5-;
2,2 '-methylene-bis (4-methyl-6-tert butyl phenol) (antioxidant 2246);
1,1,3-three (2-methyl-4-hydroxyl-5-tert-butyl-phenyl) butane (antioxidant CA);
Four (3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid pentaerythritol ester (antioxidant 1010);
1,3,5-trimethylammonium-2,4.6-three (3, the 5-di-tert-butyl-hydroxy phenyl) benzene (antioxidant 330);
1,3,5-three (3, the 5-di-tert-butyl-4-hydroxyl benzyl)-guanamine, 4,6-(1H, 3H, 5H) triketone (antioxidant 3114);
2, and 2 '-thiobis (4-methyl-6-t-butyl phenol) (antioxidant 2246-S);
4,4 '-thiobis (the 6-tertiary butyl-3-methylphenol) (antioxidant 300);
2,5 di tert butyl hydroquinone;
The hydroquinone dibenzyl ether.
2, in the such scheme, said phosphite antioxidant is a kind of, two kinds or the two or more mixture in the following compounds:
Tricresyl phosphite (nonyl phenylester) ((oxidation inhibitor TNP));
Phosphorous acid hexichol one monooctyl ester (oxidation inhibitor ODP);
Triphenyl phosphite (oxidation inhibitor TPP);
Diisooctyl phenyl phosphite (oxidation inhibitor PDOP);
Distearyl pentaerythritol diphosphite (oxidation inhibitor 618);
Two (2, the 4-di-tert-butyl-phenyl) pentaerythritol diphosphites oxidation inhibitor TH-24);
Three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester;
Four (2, the 4-di-tert-butylphenol)-4,4 '-xenyl diphosphites (oxidation inhibitor THP-EPQ).
3, in the such scheme, the melting index of said polybutylene terephthalate is 10g/10min～40g/10min.
Because the technique scheme utilization, the present invention compared with prior art has advantage and effect:
1, the present invention uses amorphous powder (talcum powder or kaolin) as nucleation-accelerant, and it is easy to be dispersed into very tiny particle, plays very effective nucleogenesis then, forms careful uniform crystalline structure.Thereby improve surface luster and release property, improve product size stability and shorten shaping cycle, boost productivity.
2, the present invention adopts hydrocarbon polymers such as polyethylene wax, in system, has good solubility property and dispersing property, and very narrow fusing point is arranged; Strict control carbon atom number; Make to join that hydrocarbon polymer can be good at being stabilized in the system in the product, hydrocarbon polymer can be moved to the surface of product in product, improves the smooth degree of product; Increase the hardness of product, improve the anti scuffing effect of product.
Embodiment
Below in conjunction with embodiment the present invention is further described:
Embodiment one～nine: a kind of used for decorative ring of vehicle lamp polybutylene terephthalate material
Embodiment one～nine material prescription such as following table:
The preparation method: in will filling a prescription the material weighing good after, place twin screw extruder, extruding pelletization is prepared from.Hinered phenols antioxidant, phosphite antioxidant and composite nucleating agent composition are described in detail with form respectively.
Hinered phenols antioxidant such as following table:
In the last table; Symbol
representative selects only to select a kind of oxidation inhibitor, the mass ratio relation between each hindered phenol antioxygen of digitized representation.
Phosphite antioxidant such as following table:
In the last table; Symbol
representative selects only to select a kind of oxidation inhibitor, the mass ratio relation between each phosphite antioxidant of digitized representation.
Composite nucleating agent such as following table:
In the last table, the mass ratio relation between the digitized representation nucleator.
The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to let the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (1)
1. used for decorative ring of vehicle lamp polybutylene terephthalate material, it is characterized in that: the starting material by following weight percentage are formed:
Hinered phenols antioxidant 0.1%～0.5%;
Phosphite antioxidant 0.1%～0.5%;
Polyethylene wax 0.1%～5%;
Composite nucleating agent 0.1%～5%;
Polybutylene terephthalate 69%～98.6%;
Talcum powder or kaolin 1%～20%;
Said composite nucleating agent is that grain diameter is the mixture of at least a composition at least a and organic nucleating agent Sodium Benzoate, calcium stearate, sodium-acetate, p-phenolsulfonic acid's sodium, p-phenolsulfonic acid's calcium and the sodium phenylate in 0.01～1 micron the wilkinite, yellow soda ash, salt of wormwood, SP 1;
Said Hinered phenols antioxidant is the one or more kinds of mixtures in the following compounds:
2,6-di-t-butyl-4-cresols;
2,2 '-methylene-bis (4-methyl-6-tert butyl phenol);
1,1,3-three (2-methyl-4-hydroxyl-5-tert-butyl-phenyl) butane;
1,3,5-trimethylammonium-2,4,6-three (3, the 5-di-tert-butyl-hydroxy phenyl) benzene;
1,3,5-three (3, the 5-di-tert-butyl-4-hydroxyl benzyl)-guanamine, 4,6-(1H, 3H, 5H) triketone;
2,2 '-thiobis (4-methyl-6-t-butyl phenol);
4,4 '-thiobis (the 6-tertiary butyl-3-methylphenol);
2,5 di tert butyl hydroquinone;
The hydroquinone dibenzyl ether;
Said phosphite antioxidant is the one or more kinds of mixtures in the following compounds:
Tricresyl phosphite (nonyl phenylester);
Phosphorous acid hexichol one monooctyl ester;
Triphenyl phosphite;
Diisooctyl phenyl phosphite;
Four (2, the 4-di-tert-butylphenol)-4,4 '-the xenyl diphosphites;
The melting index of said polybutylene terephthalate is 10g/10min～40g/10min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100313912A CN101550268B (en) | 2009-04-30 | 2009-04-30 | Polybutylene terephthalate material used for decorative ring of vehicle lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100313912A CN101550268B (en) | 2009-04-30 | 2009-04-30 | Polybutylene terephthalate material used for decorative ring of vehicle lamp |
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| CN101550268A CN101550268A (en) | 2009-10-07 |
| CN101550268B true CN101550268B (en) | 2012-02-15 |
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| CN2009100313912A Expired - Fee Related CN101550268B (en) | 2009-04-30 | 2009-04-30 | Polybutylene terephthalate material used for decorative ring of vehicle lamp |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102464870A (en) * | 2010-11-15 | 2012-05-23 | 上海锦湖日丽塑料有限公司 | Microcrystal PBT (Polybutylece Terephthalate) resin and preparation method thereof |
| CN102153875B (en) * | 2011-01-30 | 2013-09-18 | 邓建华 | Mineral resin and preparation method of mineral resin |
| CN102690704B (en) * | 2012-04-23 | 2013-12-04 | 上海应用技术学院 | Heat stabilizer composition of high-pressure hydrogenated cycloalkyl lubricating oil, preparation method thereof, and application thereof |
| CN107383805A (en) * | 2017-08-17 | 2017-11-24 | 芜湖晶鑫光电照明有限公司 | A kind of processing method of car lighting lamp material |
| CN111156473A (en) * | 2020-01-17 | 2020-05-15 | 北京汽车股份有限公司 | Vehicle lamp and vehicle |
| CN111607126B (en) * | 2020-07-06 | 2021-01-05 | 中山华明泰科技股份有限公司 | Preparation method and application of nucleation auxiliary agent for anti-reflection polypropylene |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101255268A (en) * | 2008-01-30 | 2008-09-03 | 深圳市科聚新材料有限公司 | Poly(ethylene terephthalate) flame-retardant modified material and preparation method thereof |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101255268A (en) * | 2008-01-30 | 2008-09-03 | 深圳市科聚新材料有限公司 | Poly(ethylene terephthalate) flame-retardant modified material and preparation method thereof |
Non-Patent Citations (1)
| Title |
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| JP昭58-63741A 1983.04.15 |
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