CN109825052B - Resin composition with high metal texture for vehicle lamp and preparation method thereof - Google Patents
Resin composition with high metal texture for vehicle lamp and preparation method thereof Download PDFInfo
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- CN109825052B CN109825052B CN201810480101.1A CN201810480101A CN109825052B CN 109825052 B CN109825052 B CN 109825052B CN 201810480101 A CN201810480101 A CN 201810480101A CN 109825052 B CN109825052 B CN 109825052B
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- 239000011342 resin composition Substances 0.000 title claims abstract description 81
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 48
- 239000002184 metal Substances 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title abstract description 14
- 239000000049 pigment Substances 0.000 claims abstract description 78
- 239000000654 additive Substances 0.000 claims abstract description 33
- 230000000996 additive effect Effects 0.000 claims abstract description 27
- 239000011347 resin Substances 0.000 claims abstract description 25
- 229920005989 resin Polymers 0.000 claims abstract description 25
- 238000002156 mixing Methods 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 18
- 239000011159 matrix material Substances 0.000 claims abstract description 16
- 239000000203 mixture Substances 0.000 claims abstract description 14
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 13
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 238000010008 shearing Methods 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims description 78
- 239000002245 particle Substances 0.000 claims description 57
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical group O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 52
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 49
- 238000000034 method Methods 0.000 claims description 20
- 239000000919 ceramic Substances 0.000 claims description 19
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 claims description 17
- 239000004408 titanium dioxide Substances 0.000 claims description 15
- 229910044991 metal oxide Inorganic materials 0.000 claims description 14
- 150000004706 metal oxides Chemical class 0.000 claims description 14
- 229910045601 alloy Inorganic materials 0.000 claims description 12
- 239000000956 alloy Substances 0.000 claims description 12
- 239000004595 color masterbatch Substances 0.000 claims description 12
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 claims description 11
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 10
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 9
- 229910000611 Zinc aluminium Inorganic materials 0.000 claims description 9
- HXFVOUUOTHJFPX-UHFFFAOYSA-N alumane;zinc Chemical compound [AlH3].[Zn] HXFVOUUOTHJFPX-UHFFFAOYSA-N 0.000 claims description 9
- 239000006229 carbon black Substances 0.000 claims description 9
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims description 8
- 125000000623 heterocyclic group Chemical group 0.000 claims description 7
- 239000004677 Nylon Substances 0.000 claims description 6
- 239000003086 colorant Substances 0.000 claims description 6
- 239000010445 mica Substances 0.000 claims description 6
- 229910052618 mica group Inorganic materials 0.000 claims description 6
- 229920001778 nylon Polymers 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 6
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 6
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims description 5
- 239000011651 chromium Substances 0.000 claims description 5
- 150000001844 chromium Chemical class 0.000 claims description 4
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 claims description 4
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 3
- 229920007019 PC/ABS Polymers 0.000 claims description 3
- 150000001661 cadmium Chemical class 0.000 claims description 3
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 239000000987 azo dye Substances 0.000 claims description 2
- 229940067573 brown iron oxide Drugs 0.000 claims description 2
- 229910052793 cadmium Inorganic materials 0.000 claims description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims description 2
- 150000004696 coordination complex Chemical group 0.000 claims description 2
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 claims description 2
- WTFXARWRTYJXII-UHFFFAOYSA-N iron(2+);iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Fe+2].[Fe+3].[Fe+3] WTFXARWRTYJXII-UHFFFAOYSA-N 0.000 claims description 2
- LDHBWEYLDHLIBQ-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide;hydrate Chemical compound O.[OH-].[O-2].[Fe+3] LDHBWEYLDHLIBQ-UHFFFAOYSA-M 0.000 claims description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 2
- NYGZLYXAPMMJTE-UHFFFAOYSA-M metanil yellow Chemical group [Na+].[O-]S(=O)(=O)C1=CC=CC(N=NC=2C=CC(NC=3C=CC=CC=3)=CC=2)=C1 NYGZLYXAPMMJTE-UHFFFAOYSA-M 0.000 claims description 2
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical group N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 235000010215 titanium dioxide Nutrition 0.000 claims 7
- 238000002844 melting Methods 0.000 abstract description 5
- 230000008018 melting Effects 0.000 abstract description 5
- 239000003973 paint Substances 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 10
- 238000005507 spraying Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000004381 surface treatment Methods 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical class [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000001771 vacuum deposition Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005269 aluminizing Methods 0.000 description 1
- CJOBVZJTOIVNNF-UHFFFAOYSA-N cadmium sulfide Chemical compound [Cd]=S CJOBVZJTOIVNNF-UHFFFAOYSA-N 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to the field of vehicle materials, in particular to a resin composition with high metal texture for a vehicle lamp and a preparation method thereof. The invention comprises the following components in parts by weight: 100 parts of matrix resin, 0.1-5.0 parts of metal pigment, 0.05-5.0 parts of color additive and 0.1-1.0 part of antioxidant; the preparation method comprises the steps of fully mixing matrix resin, metal pigment, color additive and antioxidant in a low-speed mixer, feeding the mixture into a double-screw extruder through a metering device, conveying, shearing and mixing the mixture through a screw, fully melting and mixing the materials, and then extruding, drawing into strips, cooling and granulating the strips to obtain the resin composition with high metal texture.
Description
Technical Field
The invention relates to a resin composition with high metal texture and a preparation method thereof.
Background
The automobile lamp is used as the eye of the automobile for illumination and driving reminding, and has a main function of serving as an appearance decoration part to endow the automobile with unique modeling requirements.
In the design of automobile lighting lamps, with the increasingly complex design of automobile models and the design schemes of simple aluminizing, black and the like, the current modeling requirements cannot be met more and more, and therefore the requirements for new materials in new processes are more and more urgent. The existing decorative frame needs to achieve the metal texture effect, and generally adopts a production process flow of carrying out surface treatment after injection molding. Two of the most common types of surface treatment are vacuum coating or painting. The color difference of parts with complex three-dimensional shapes is difficult to control by vacuum coating, the equipment investment is expensive, the process is long, and waste products are easy to generate. The appearance of the paint is poor in metal texture, the process is long, waste products are easy to generate, and the treatment mode of the paint is not favorable for the requirement of environmental protection.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a resin composition which can achieve metal texture without surface treatment and a preparation method thereof. According to the resin composition and the preparation method thereof, the car lamp decorative part with rich colors, good surface gloss, diversified effects and diversified textures can be obtained, more aesthetic originality is given to car lamp design, and diversified and differentiated market demands can be met.
The resin material can be directly injection-molded to obtain parts with metal texture, secondary treatment such as paint spraying or aluminum plating is omitted, the production flow is simplified, the production efficiency is improved, the rejection rate is low, the resin material can be recycled, and the production cost is reduced. No post-treatment, especially the substitution of paint spraying, no harm of harmful gas generated in the paint and paint spraying process to human body and environment, 100 percent recycle and accordance with the requirements of green and environmental protection.
The purpose of the invention can be realized by the following technical scheme:
a resin composition with high metal texture for a vehicle lamp is characterized by being prepared from the following raw materials in parts by weight:
the metal pigment is selected from one or more of spherical, flaky, rodlike or silver-element-like aluminum powder, silver powder, gold powder, zinc powder, copper-zinc powder, zinc-aluminum powder and stainless steel powder with the particle size of 0.01-500 mu m,
the color additive is selected from one or more of toner, color master batch, pearl powder and ceramic powder,
the toner is selected from one or more of inorganic toner and organic toner,
the particle size of the inorganic toner is 0.0001-500 mu m, the particle size of other color additives is 0.0001-400 mu m, and the color additive with small particle size has high compatibility and low covering property while obtaining bright color, does not cover the appearance of the metallic pigment, and is more beneficial to the embodiment of metallic texture of the pigment.
According to the present invention, color additive refers to other additive substances that provide color effects to the resin.
According to the present invention, a resin composition for a vehicular lamp having a high metallic texture, wherein the matrix resin is selected from the group consisting of: PC, PC-HT, PC/ABS alloy, ABS, ASA, PC/ASA alloy, transparent nylon, PMMA/ABS alloy, PMMA/ASA alloy, PP, PET, PBT, PPE, PEI or PES, preferably PC, PC-HT, transparent nylon, PBT.
The invention provides a resin composition for a vehicular lamp having a high metallic feeling,
the metal pigment is one or more selected from spherical, flaky, rodlike or silver-element-like aluminum powder, silver powder, gold powder, zinc powder, copper-zinc powder, zinc-aluminum powder and stainless steel powder with the particle size of 0.001-500 mu m.
Among them, aluminum powder and copper-zinc powder are particularly preferable.
The invention provides a resin composition for a vehicular lamp having a high metallic feeling,
the particle size of the metal pigment is 0.001-500 μm, preferably the metal pigment is selected from 0.01-100 μm, more preferably the metal pigment is selected from one or more of spherical, flaky, rod-shaped or silver-element-shaped aluminum powder, silver powder, gold powder, zinc powder, copper-zinc powder, zinc-aluminum powder and stainless steel powder with the particle size of 0.1-50 μm.
The invention provides a resin composition for a vehicular lamp having a high metallic feeling,
the color additives are mixed according to the following proportion:
carbon black-based + iron oxide-based + chromium-based and metal oxide mixed pigment system: pearl powder: ceramic powder is 1-3:1-3: 1-4.
The invention provides a resin composition for a vehicular lamp having a high metallic feeling,
the color additive is selected from one or more of toner, color master batch, pearl powder and ceramic powder.
The invention provides a resin composition for a vehicular lamp having a high metallic feeling,
the color additives are mixed according to the following proportion:
rutile type titanium dioxide system + iron oxide system iron oxide red: pearl powder: ceramic powder is 1-3:1-3: 1-4.
The invention provides a resin composition for a vehicular lamp having a high metallic feeling,
the toner is selected from one or more of inorganic toner and organic toner,
the inorganic toner is pigment such as titanium dioxide series, carbon black series, ferric oxide series, cadmium series, chromium series and metal oxide mixed phase pigment series, and the particle size is 0.0001-500 μm.
According to the resin composition for a vehicular lamp having a high metallic feeling of the present invention, it is preferable that,
the inorganic toner is preferably titanium dioxide series, carbon black series, iron oxide series and metal oxide mixed phase pigment.
According to the resin composition with high metal texture for the vehicle lamp, the titanium dioxide is preferably anatase type, rutile type and brookite type; the rutile type is particularly preferred.
According to the resin composition with high metal texture for the vehicle lamp, the iron oxide series is preferably iron oxide red, iron oxide yellow, iron oxide black, iron oxide blue, iron oxide green and iron oxide brown.
According to the resin composition having a high metallic texture for a vehicular lamp of the present invention, the inorganic toner preferably has a particle diameter of 0.001 to 50 μm; more preferably, the particle diameter is 0.001 to 1 μm.
According to the resin composition with high metal texture for the vehicle lamp, the organic toner is selected from azo pigments, heterocyclic pigments and miscellaneous pigments with the particle size of 0.0001-400 mu m;
particularly preferably, the organic toner is an azo pigment, a heterocyclic pigment or a hetero pigment having a particle diameter of 0.01 to 1 μm.
The azo pigment is preferably a monoazo pigment, a disazo pigment, an azo dye lake.
The heterocyclic pigment is preferably a phthalocyanine pigment.
The miscellaneous pigment is preferably a metal complex pigment.
According to the resin composition for a vehicular lamp having a high metallic feeling of the present invention, it is preferable that,
the pearl powder is selected from pearl pigment, the inner core is mica with low optical refractive index, the outer layer is coated with metal oxide with high refractive index, such as titanium dioxide or ferric oxide, and the particle size of the pearl powder is 0.0001-400 μm; the particle diameter is preferably 0.001 to 10 μm.
According to the resin composition for a vehicular lamp having a high metallic feeling of the present invention, it is preferable that,
the grain size of the ceramic powder is 0.0001-400 μm; the particle diameter is preferably 0.001 to 1 μm.
According to the resin composition for a vehicular lamp having a high metallic feeling of the present invention, it is preferable that,
the color master batch is a plastic master batch formed by mixing one or more of the toner, the pearlescent pigment and the ceramic powder with a color master batch carrier and an additive.
The invention provides a method for preparing a resin composition with high metal texture for a vehicle lamp,
fully mixing matrix resin, metal pigment, color additive and antioxidant in the following weight portions in a low-speed mixer,
the metal pigment is selected from one or more of spherical, flaky, rodlike or silver-element-like aluminum powder, silver powder, gold powder, zinc powder, copper-zinc powder, zinc-aluminum powder and stainless steel powder with the particle size of 0.001-500 mu m,
the color additive is selected from one or more of toner, color master batch, pearl powder and ceramic powder,
the toner is selected from one or more of inorganic toner and organic toner,
the particle size of the inorganic toner is 0.0001-500 μm, the particle size of the additive for other colors is 0.0001-400 μm,
after fully mixing, the mixture is sent into a double-screw extruder by a metering device, and the materials are fully melted and mixed by the conveying, the shearing and the mixing of screws,
and then extruding, drawing strips, cooling and cutting into granules to obtain the laser-weldable resin composition.
The method for preparing a resin composition having a high metallic feeling for a vehicular lamp according to the present invention is characterized in that,
the matrix resin is selected from: PC, PC-HT, PC/ABS alloy, ABS, ASA, PC/ASA alloy, transparent nylon, PMMA/ABS alloy, PMMA/ASA alloy, PP, PET, PBT, PPE, PEI or PES, preferably PC, PC-HT, transparent nylon, PBT.
The method for preparing a resin composition having a high metallic feeling for a vehicular lamp according to the present invention is characterized in that,
the metal pigment is one or more selected from spherical, flaky, rodlike or silver-element-like aluminum powder, silver powder, gold powder, zinc powder, copper-zinc powder, zinc-aluminum powder and stainless steel powder with the particle size of 0.01-500 mu m.
The method for preparing a resin composition having a high metallic feeling for a vehicular lamp according to the present invention is characterized in that,
the particle size of the metallic pigment is 0.01 to 500. mu.m, preferably 0.5 to 100. mu.m, and more preferably 0.5 to 40 μm.
The method for preparing a resin composition having a high metallic feeling for a vehicular lamp according to the present invention is characterized in that,
the color additive is selected from one or more of toner, color master batch, pearl powder and ceramic powder.
The method for preparing a resin composition having a high metallic feeling for a vehicular lamp according to the present invention is characterized in that,
the toner is selected from one or more of inorganic toner and organic toner,
the inorganic toner is pigment such as titanium dioxide series, carbon black series, ferric oxide series, cadmium series, chromium series and metal oxide mixed phase pigment series.
The method for preparing a resin composition having a high metallic feeling for a vehicular lamp according to the present invention is characterized in that,
the titanium dioxide is preferably anatase type, rutile type and brookite type; preferably the rutile form.
The method for preparing a resin composition having a high metallic feeling for a vehicular lamp according to the present invention is characterized in that,
the iron oxide is preferably selected from red iron oxide, yellow iron oxide, black iron oxide, blue iron oxide, green iron oxide and brown iron oxide.
The method for preparing a resin composition having a high metallic feeling for a vehicular lamp according to the present invention is characterized in that,
the particle diameter of the inorganic toner is preferably 0.0001-50 μm; more preferably, the particle diameter is 0.001 to 1 μm.
The method for preparing a resin composition having a high metallic feeling for a vehicular lamp according to the present invention is characterized in that,
the organic toner is selected from azo pigments, heterocyclic pigments and miscellaneous pigments with the particle size of 0.0001-400 mu m; azo pigments, heterocyclic pigments, and miscellaneous pigments having a particle diameter of 0.0001 to 1 μm are preferable.
The method for preparing a resin composition having a high metallic feeling for a vehicular lamp according to the present invention is characterized in that,
the pearl powder is selected from pearl pigment, the inner core is mica with low optical refractive index, the outer layer is coated with metal oxide with high refractive index, titanium dioxide or ferric oxide, and the particle size of the pearl powder is 0.0001-400 mu m; the particle diameter is preferably 0.001 to 50 μm.
Particularly preferably, the particle diameter is 0.001 to 1 μm
The method for preparing a resin composition having a high metallic feeling for a vehicular lamp according to the present invention is characterized in that,
the grain size of the ceramic powder is 0.0001-400 μm; the particle diameter is preferably 0.001 to 1 μm.
Particularly preferably, the particle diameter is 0.001 to 1 μm
The method for preparing a resin composition having a high metallic feeling for a vehicular lamp according to the present invention is characterized in that,
the color master batch is a plastic master batch prepared by mixing one or more of toner, pearlescent pigment and ceramic powder with a color master batch carrier and an additive.
According to the method for preparing a resin composition for a vehicular lamp having a high metallic texture of the present invention, it is preferable that,
the toner is selected from chromium green, chromium yellow, cadmium orange, cadmium red and cobalt blue metallic pigment.
Compared with the prior art, the invention has the following beneficial effects:
according to the resin composition with high metal texture for the vehicle lamp and the preparation method thereof, the vehicle lamp decorative part with rich colors, good surface gloss, diversified effects and diversified texture can be obtained, more aesthetic originality is given to the vehicle lamp design, and diversified and differentiated market demands can be met.
The resin material can be directly injection-molded to obtain parts with metal texture, secondary treatment such as paint spraying or aluminum plating is omitted, the production flow is simplified, the production efficiency is improved, the rejection rate is low, the resin material can be recycled, and the production cost is reduced. No post-treatment, especially the substitution of paint spraying, no harm of harmful gas generated in the paint and paint spraying process to human body and environment, 100 percent recycle and accordance with the requirements of green and environmental protection.
Detailed Description
The following embodiments are provided to further illustrate the present invention, but the following embodiments are merely illustrative of the present invention and do not represent that the scope of the present invention is limited thereto, and all equivalent substitutions made by the idea of the present invention are within the scope of the present invention.
Metallic pigment: 0.1 to 5.0 portions of,
color additive: 0.05 to 5.0 portions of,
antioxidant: 0.1 to 1.0 portion of,
example 1
A resin composition with high metal texture is injection molded into a vehicle lamp decorative frame.
The preparation method of the resin composition comprises the following steps:
preparing the following components in parts by weight:
the metal pigment is aluminum powder with the particle size of 0.5-40 mu m.
The color additive is prepared from rutile type titanium dioxide and iron oxide red with the particle size of 0.001-1 μm in inorganic toner, pearl powder with the particle size of 0.001-50 μm, mica with low optical refractive index in the pearl powder core, and ceramic powder with the particle size of 0.001-1 μm and titanium dioxide or iron oxide with high refractive index in the outer layer.
The color additives are mixed according to the following proportion:
rutile type titanium dioxide system + iron oxide system iron oxide red: pearl powder: ceramic powder is 1-3:1-3: 1-4.
The preparation method comprises the steps of fully mixing matrix resin PC, laser powder, metal pigment aluminum powder, a color additive and an antioxidant in a low-speed mixer, feeding the mixture into a double-screw extruder through a metering device, conveying, shearing and mixing the materials through a screw, fully melting and mixing the materials, and then extruding, drawing strips, cooling and granulating the materials to obtain the resin composition with high metal texture.
The resin composition is injection molded into a vehicle lamp bezel.
Example 2
A resin composition with high metal texture is injection molded into a vehicle lamp decorative frame. The preparation method comprises the following steps:
preparing the following components in parts by weight:
the metallic pigment is zinc powder (50%) with the grain diameter of 0.5-40 mu m + copper powder (50%),
the color additive is carbon black series + ferric oxide series + chromium series and metal oxide mixed phase pigment series with the particle size of inorganic toner of 0.001-1 mu m, pearl powder with the particle size of 0.001-50 mu m, wherein the inner core of the pearl powder is mica with low optical refractive index, and the outer layer is coated with titanium dioxide or ferric oxide with high refractive index and ceramic powder with the particle size of 0.001-1 mu m.
The color additives are mixed according to the following proportion:
carbon black-based + iron oxide-based + chromium-based and metal oxide mixed pigment system: pearl powder: ceramic powder is 1-3:1-3: 1-4.
The matrix resin PC + ABS, the laser powder, the metal pigment, the color additive and the antioxidant are fully mixed in a low-speed mixer, then are fed into a double-screw extruder through a metering device, are conveyed, sheared and mixed through a screw, are fully melted and mixed, and are extruded, pulled into strips, cooled and cut into granules, so that the resin composition with high metal texture is obtained.
The resin composition is injected into a flat plate and is welded with a transparent PC flat plate by laser, so that the welding strength is high and the welding seam is smooth.
Comparative example 1
This comparative example provides a resin material for a vehicle lamp, which was injection-molded into a vehicle lamp bezel. The preparation method comprises the following steps:
preparing the following components in parts by weight:
matrix resin PC 10
Color additive 0.4
0.1 part of antioxidant
And (2) fully mixing the matrix resin PC, the color additive and the antioxidant in a low-speed mixer, feeding the mixture into a double-screw extruder through a metering device, conveying, shearing and mixing the mixture through a screw, fully melting and mixing the materials, and then extruding, bracing, cooling and granulating the mixture to obtain the resin composition for the car lamp.
The resin composition is injection molded into a vehicle lamp bezel.
Comparative example 2
This comparative example provides a resin material for a vehicle lamp, which was injection-molded into a vehicle lamp bezel. The preparation method comprises the following steps:
preparing the following components in parts by weight:
matrix resin PC + ABS 10
Colorant 0.4
0.1 part of antioxidant
The resin composition for the car lamp is prepared by the steps of fully mixing matrix resin PC + ABS, metal pigment aluminum powder, color additive and antioxidant in a low-speed mixer, feeding the mixture into a double-screw extruder through a metering device, conveying, shearing and mixing the mixture through screws, fully melting and mixing the materials, and then extruding, bracing, cooling and granulating the mixture.
The resin composition is injection-molded into a lamp decorative frame, and aluminum plating is performed on the lamp decorative frame to obtain a decorative frame having a metallic texture.
Comparative example 3
This comparative example provides a resin material for a vehicle lamp, which was injection-molded into a vehicle lamp bezel. The preparation method comprises the following steps:
preparing the following components in parts by weight:
matrix resin PC + ABS 10
Colorant 0.4
0.1 part of antioxidant
The resin composition for the car lamp is prepared by the steps of fully mixing matrix resin PC + ABS, metal pigment aluminum powder, color additive and antioxidant in a low-speed mixer, feeding the mixture into a double-screw extruder through a metering device, conveying, shearing and mixing the mixture through screws, fully melting and mixing the materials, and then extruding, bracing, cooling and granulating the mixture.
The resin composition is injection-molded into a vehicle lamp decorative frame, and paint is sprayed on the vehicle lamp decorative frame to obtain a decorative frame with metal texture.
As shown in Table 1, the results of welding in the above examples and comparative examples were compared, and it was found that the metallic resin according to the present invention had a high metallic appearance without surface treatment and had a fine and vivid color.
TABLE 1
| Example 1 | Example 2 | Comparative example 1 | Comparative example 2 | Comparative example 2 | |
| Metallic texture | Is provided with | Is provided with | Is free of | Is provided with | Is provided with |
| Colour(s) | Sharp | Sharp | Sharp | Is free of | Semi-bright |
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (28)
1. A resin composition with high metal texture for a vehicle lamp is characterized by being prepared from the following raw materials in parts by weight:
the metal pigment is selected from one or more of spherical, flaky, rodlike or silver-element-like aluminum powder, silver powder, gold powder, zinc powder, copper-zinc powder, zinc-aluminum powder and stainless steel powder with the particle size of 0.01-500 mu m,
the color additive is selected from more than two of toner, color master batch, pearl powder and ceramic powder, and at least comprises pearl powder and ceramic powder,
the toner is selected from one or more of inorganic toner and organic toner,
the particle size of the inorganic toner is 0.0001-500 μm, and the particle size of the other color additives is 0.0001-400 μm.
2. The resin composition for vehicular lamp having a high metallic feeling as claimed in claim 1,
the metal pigment is one or more selected from spherical, flaky, rodlike or silver-element-like aluminum powder, silver powder, gold powder, zinc powder, copper-zinc powder, zinc-aluminum powder and stainless steel powder with the particle size of 0.001-500 mu m.
3. The resin composition for vehicular lamp having a high metallic feeling as claimed in claim 2,
the metal pigment is selected from one or more of the following components: aluminum powder, copper powder and copper zinc powder.
4. The resin composition for vehicular lamp having a high metallic feeling as claimed in claim 2,
the metal pigment is selected from the group consisting of those having a particle diameter of 0.01 to 100. mu.m.
5. The resin composition for vehicular lamp having a high metallic feeling as claimed in claim 2,
the metal pigment is selected from the group consisting of those having a particle diameter of 0.1 to 50 μm.
6. The resin composition for vehicular lamp having a high metallic feeling as claimed in claim 1,
the inorganic toner is a titanium dioxide series, a carbon black series, an iron oxide series, a cadmium series, a chromium series and a metal oxide mixed phase pigment series.
7. The resin composition for vehicular lamp having a high metallic feeling as claimed in claim 1,
the inorganic toner is selected from titanium dioxide series, carbon black series, iron oxide series and metal oxide mixed phase pigment; the titanium dioxide systems are anatase type, rutile type and brookite type.
8. The resin composition with high metallic feeling for vehicular lamp according to claim 7, wherein said titanium white powder is selected from rutile type.
9. The resin composition having a highly metallic feeling for vehicular lamps according to claim 1, wherein said iron oxide is selected from the group consisting of red iron oxide, yellow iron oxide, black iron oxide, blue iron oxide, green iron oxide and brown iron oxide.
10. The resin composition for a vehicular lamp having a high metallic feeling as claimed in claim 1, wherein the inorganic toner has a particle diameter of 0.001 μm to 50 μm.
11. The resin composition for a vehicular lamp having a high metallic feeling as claimed in claim 1, wherein the inorganic toner has a particle diameter of 0.001 μm to 1 μm.
12. The resin composition for vehicular lamp having a high metallic feeling as claimed in claim 1, wherein the organic toner is selected from the group consisting of azo pigments having a particle diameter of 0.0001 to 400 μm, heterocyclic pigments, and miscellaneous pigments.
13. The resin composition for a vehicular lamp having a high metallic feeling as claimed in claim 1, wherein the organic toner has a particle diameter of 0.01 μm to 1 μm.
14. The resin composition having a highly metallic texture for vehicular lamps as claimed in claim 12, wherein the azo pigment is a monoazo pigment, a disazo pigment, an azo dye lake; the heterocyclic pigment is phthalocyanine pigment; the miscellaneous pigment is a metal complex pigment.
15. The resin composition for vehicular lamp having a high metallic feeling as claimed in claim 1,
the pearl powder is selected from pearl pigment, the inner core is mica with low optical refractive index, the outer layer is coated with metal oxide with high refractive index, the metal oxide comprises titanium dioxide or ferric oxide, and the particle size of the pearl powder is 0.0001-400 mu m.
16. The resin composition for vehicular lamps having a high metallic feeling as claimed in claim 15,
the particle size of the pearlescent pigment is 0.001-10 μm.
17. The resin composition for vehicular lamp having a high metallic feeling as claimed in claim 1,
the color master batch is a plastic master batch formed by mixing one or more of the toner, the pearl powder and the ceramic powder with a color master batch carrier and an additive.
18. A method for preparing a resin composition having a high metallic feeling for a vehicular lamp,
fully mixing matrix resin, metal pigment, color additive and antioxidant in the following weight portions in a low-speed mixer,
the metal pigment is selected from one or more of spherical, flaky, rodlike or silver-element-like aluminum powder, silver powder, gold powder, zinc powder, copper-zinc powder, zinc-aluminum powder and stainless steel powder with the particle size of 0.001-500 mu m,
the color additive is selected from more than two of toner, color master batch, pearl powder and ceramic powder, and at least comprises pearl powder and ceramic powder,
the toner is selected from one or more of inorganic toner and organic toner,
the particle size of the inorganic toner is 0.0001-500 μm, the particle size of the additive for other colors is 0.0001-400 μm,
after fully mixing, the mixture is sent into a double-screw extruder by a metering device, and the materials are fully melted and mixed by the conveying, the shearing and the mixing of screws,
and then extruding, bracing, cooling and granulating to obtain the resin composition with high metal texture.
19. The method for producing a resin composition for a vehicular lamp having a high metallic feeling as claimed in claim 18,
the matrix resin is selected from: PC, PC-HT, PC/ABS alloy, ABS, ASA, PC/ASA alloy, transparent nylon, PMMA/ABS alloy, PMMA/ASA alloy, PP, PET, PBT, PPE, PEI or PES.
20. The method for producing a resin composition for a vehicular lamp having a high metallic feeling as claimed in claim 18,
the matrix resin is selected from: PC, PC-HT, transparent nylon and PBT.
21. The method for producing a resin composition for a vehicular lamp having a high metallic feeling as claimed in claim 18,
the metal pigment is one or more selected from spherical, flaky, rodlike or silver-element-like aluminum powder, silver powder, gold powder, zinc powder, copper-zinc powder, zinc-aluminum powder and stainless steel powder with the particle size of 0.01-500 mu m.
22. The method for producing a resin composition for a vehicular lamp having a high metallic feeling as claimed in claim 18,
the particle size of the metal pigment is 0.5-100 mu m.
23. The method for producing a resin composition for a vehicular lamp having a high metallic feeling as claimed in claim 18,
the particle size of the metal pigment is 0.5-40 μm.
24. The method for producing a resin composition for a vehicular lamp having a high metallic feeling as claimed in claim 18,
the toner is selected from one or more of inorganic toner and organic toner,
the inorganic toner is a titanium dioxide system, a carbon black system, an iron oxide system, a cadmium system, a chromium system and a metal oxide mixed phase pigment system, and the titanium dioxide system is anatase type, rutile type and brookite type.
25. The method for producing a resin composition for a vehicular lamp having a high metallic feeling as claimed in claim 18,
the titanium dioxide is rutile type.
26. The method for producing a resin composition for a vehicular lamp having a high metallic feeling as claimed in claim 18,
the pearl powder is selected from pearl pigment, the inner core is mica with low optical refractive index, the outer layer is coated with metal oxide with high refractive index, titanium dioxide or ferric oxide, and the particle size of the pearl powder is 0.0001-400 mu m.
27. The method for producing a resin composition for a vehicular lamp having a high metallic feeling as claimed in claim 18,
the particle size of the pearl powder is 0.001-50 μm.
28. The method for producing a resin composition for a vehicular lamp having a high metallic feeling as claimed in claim 18,
the particle size of the pearl powder is 0.001-1 mu m.
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| CN201810480101.1A CN109825052B (en) | 2018-05-18 | 2018-05-18 | Resin composition with high metal texture for vehicle lamp and preparation method thereof |
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| CN201810480101.1A CN109825052B (en) | 2018-05-18 | 2018-05-18 | Resin composition with high metal texture for vehicle lamp and preparation method thereof |
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| CN102464857A (en) * | 2010-11-15 | 2012-05-23 | 上海锦湖日丽塑料有限公司 | Extrusion grade aesthetical resin possessing metal color effect and its preparation method |
| CN103013031A (en) * | 2012-12-14 | 2013-04-03 | 上海锦湖日丽塑料有限公司 | Highly metallic resin composition and preparation method thereof |
| CN103483713A (en) * | 2013-09-05 | 2014-01-01 | 安徽科聚新材料有限公司 | High-surface-metal-sensation resin composition and preparation method thereof |
| CN104693602A (en) * | 2015-03-15 | 2015-06-10 | 蔡勤勤 | High-flowability high-glossiness no-surface-defect colored metallic-pearl-effect spraying-free polypropylene automobile material and preparation method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102464857A (en) * | 2010-11-15 | 2012-05-23 | 上海锦湖日丽塑料有限公司 | Extrusion grade aesthetical resin possessing metal color effect and its preparation method |
| CN103013031A (en) * | 2012-12-14 | 2013-04-03 | 上海锦湖日丽塑料有限公司 | Highly metallic resin composition and preparation method thereof |
| CN103483713A (en) * | 2013-09-05 | 2014-01-01 | 安徽科聚新材料有限公司 | High-surface-metal-sensation resin composition and preparation method thereof |
| CN104693602A (en) * | 2015-03-15 | 2015-06-10 | 蔡勤勤 | High-flowability high-glossiness no-surface-defect colored metallic-pearl-effect spraying-free polypropylene automobile material and preparation method thereof |
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