CN102993587B - Resin composition containing effect pigments and preparation method of resin composition - Google Patents
Resin composition containing effect pigments and preparation method of resin composition Download PDFInfo
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- CN102993587B CN102993587B CN201210545127.2A CN201210545127A CN102993587B CN 102993587 B CN102993587 B CN 102993587B CN 201210545127 A CN201210545127 A CN 201210545127A CN 102993587 B CN102993587 B CN 102993587B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- Mechanical Engineering (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a resin composition containing effect pigments and a preparation method of the resin composition. The resin composition comprises the following components in parts by weight: 80-98 parts of polymer resin, 2-20 parts of modifiers, 0.1-4.0 part(s) of effect pigments, 0.1-1.0 part of lubricant and 0.1-1.0 part of antioxidant. The preparation method comprises the following steps of: premixing the modifiers with the effect pigments according to a certain proportion in a low-speed mixer, and granulating the mixture by a double-screw extruder to prepare effect pigment master batches; and premixing the effect pigment master batches prepared in the first step with the polymer resin according to a certain proportion, and then granulating the mixture by the double-screw extruder. Compared with the prior art, by virtue of molding products capable of producing converging lines, the resin composition disclosed by the invention shows obviously reduced converging lines, has excellent surface quality, and provides an appearance innovation solution.
Description
Technical field
The present invention relates to resin combination that a kind of knit-lines significantly reduces or reality is eliminated and preparation method thereof, relate to the resin combination and preparation method that comprise effect pigment especially.
Background technology
In recent years, the consumer's goods create strong demand to the plastics with unique color and outward appearance.Such as, the looking products at present with flicker effect and metal-like is more and more subject to the favor of human consumer, and compared with traditional single tone, the outward appearance of this uniqueness can bring great visual impact to people, make human consumer can enjoy its aesthetics design, we call aesthetic resin this material.
Aesthetic resin by adding effect pigment to realize in fluoropolymer resin, and the effect pigment mentioned here refers to the special pigment with certain length-to-diameter ratio and unique polyhedral structure, and this kind of pigment is modal is at present metallic pigment and pearly pigment.Owing to having the special construction on microcosmic, so this kind of pigment has special optical effect, give fluoropolymer resin metal effect and pearl effect lamp.
The release of environmental protection policy makes aesthetic resin become study hotspot, can be easy to obtain special visual effect by adding effect pigment, but aesthetic resin does not still have being employed of mass-producing, this is because in moulding process effect pigment run into thin-walled, screw hole or cavity time resistance to flow improve, these region pigment are caused to be piled up and other region pigment disappearances, show as obvious knit-lines or flow liner, product appearance is worsened; In addition, in injection moulding, cast gate is neighbouring is high shear zone with article topsheet, easily causes lamellar pigment orientation, causes unacceptable color due to reflectivity change.And particle is spherical, then isotropic in its rheodynamics, thus be conducive to reducing or eliminating of streamline or bonding wire, but because sphere pigments reflectivity is lower, metal-like and the flicker effect of expection cannot be obtained, so how to obtain without streamline (bonding wire) and the resin combination with true metal outward appearance becomes technical barrier urgently to be resolved hurrily.
Patent CN 101796110A discloses a kind of resin combination comprising special vision additive, the knit-lines significantly reduced is demonstrated by adding chemical foaming agent, but due to must whipping agent could generation effect within the scope of specific processing temperature, so process window is narrower, practicality be not enough.Patent CN 1764196A discloses and is a kind ofly carried out encapsulating by the pigment of high length-diameter ratio by suspension polymerization thus reduce the orientation of pigment, thus improve knit-lines, this technology is effective in principle, but due to complicated process of preparation and process costs is higher, does not possess operability.
Summary of the invention
Object of the present invention is exactly provide a kind of knit-lines of remarkable minimizing to overcome defect that above-mentioned prior art exists, has resin combination comprising effect pigment of excellent surface quality and preparation method thereof.
Object of the present invention can be achieved through the following technical solutions: a kind of resin combination comprising effect pigment, is characterized in that, the raw material comprising following component and weight part is made:
Fluoropolymer resin: 80 ~ 98;
Properties-correcting agent: 2 ~ 20;
Effect pigment: 0.1 ~ 4.0;
Lubricant: 0.1 ~ 1.0;
Oxidation inhibitor: 0.1 ~ 1.0.
Described fluoropolymer resin is a kind of or its multiple mixture in phenylethylene resin series, acrylic resin, polycarbonate; Described phenylethylene resin series preferably transparent phenylethylene resin series; Described acrylic resin is one in PMMA, MS, MSAN, transparent ABS or its mixture.
Described properties-correcting agent is crystalline polymer, measures its fusing point at 240-270 DEG C, preferred polyethylene terephthalate by DSC method.
The polyhedral structure of described effect pigment to be length-to-diameter ratio be 0.01-0.1, comprises the mixture of one or more in natural fish scale effect pigment, pearl white crystallization effect pigment, mica coating effect pigment, silica-coating effect pigment, aluminum borate salt coating effect pigment, micanite coating effect pigment, bismuth oxide coating effect pigment; Preferred mica coating effect pigment, silica-coating effect pigment, micanite coating effect pigment, its form is included as sheet, silver dollar shape, bar-shaped or spherical.
Described effect pigment is that surface-coated has the aluminium powder of coating layer, zinc powder or copper powder, and particle diameter is 1 μm-300 μm, and the preferred 20-180 μm of particle diameter, its surface coating layer is selected from the one in PE wax, vinylformic acid or mineral oil.
Described lubricant is one or more in silicone oil, white mineral oil, fatty acid amide, barium stearate, Magnesium Stearate, paraffin, polyethylene wax, ethylene bis stearic acid amide, ethylene-vinyl acetate copolymer or ethylene-acrylic acid copolymer.
Described oxidation inhibitor comprises CIBA and to refine Irganox 1024, the Irganox 1330 of company or one or more of Irganox 3114.
Comprise a preparation method for the resin combination of effect pigment, it is characterized in that, the method comprises the following steps:
The first step: by weight properties-correcting agent 2 ~ 20 and effect pigment 0.1 ~ 4.0 are passed through the granulation of dual-screw-stem machine forcing machine after premix in low speed mixer, prepare effect pigment master batch;
Second step: pass through twin screw extruder granulation by after above-mentioned effect pigment master batch and fluoropolymer resin 80 ~ 98 premix, preparation comprises the resin combination of effect pigment.
The temperature difference T=T of the twin screw extruder described in step (2)
1-T
2=-20 ~-40 DEG C, wherein T
1represent the extrusion temperature of forcing machine, T
2for the fusing point of properties-correcting agent, go beyond the scope if super, then may cause the deterioration of knit-lines.
The speed of described low speed mixer is 50-100rpm.
Principle of the present invention is: regenerative PET uses owing to passing through, and its character can not show a candle to new PET, and viscosity degradation is more and present fragility feature.Blended with ABS, when becoming alloy, its toughening mechanism and endergonic mode are mainly based on crazing.But the processing temperature of PET is higher, ABS powder has degraded and occurs when high temperature, thus affects its toughening efficiency.According to its toughening mechanism and applicable cases, by improving toughness reinforcing particle diameter, distribution and feeding manner, taking into account the factor of nick break simultaneously, designing and developing a kind of regenerative PET/ABS alloy material of HI high impact.
Compared with prior art, the present invention adopts fusing point at the crystalline polymer of 240-270 DEG C as properties-correcting agent, utilize the different melting points of properties-correcting agent and matrix resin and the covering property of this crystallinity properties-correcting agent pairing effect pigment excellence and adhesive property, by the preparation method that the present invention proposes, realize know-why of the present invention.Utilization can produce the moulded products of knit-lines, and resin combination of the present invention demonstrates the knit-lines significantly reduced, and has excellent surface quality, is a kind of outward appearance innovative solution, has obvious market application foreground.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described, but the present invention's scope required for protection is not limited to the scope described in embodiment.
Embodiment 1
The present embodiment providing package contains resin combination and the preparation method of effect pigment, and its preparation method comprises the following steps:
(1) get the raw materials ready according to following component and content:
Wherein, fluoropolymer resin is transparent ABS, electrochemically provides;
Properties-correcting agent is polyethylene terephthalate, is provided by Shanghai Jinshan petrochemical industry, and limiting viscosity is 0.81dl/g, and fusing point is 252 DEG C
Effect pigment is aluminium powder, particle diameter 45 μm, and vinylformic acid is coated, and length-to-diameter ratio is: 0.01-0.1.
Lubricant is PETS;
Oxidation inhibitor is Irganox 1024.
(2) first by after PET (polyethylene terephthalate) resin and effect pigment according to the above ratio premix by Nanjing Ke Beilong company STS35 machine extruding pelletization, extrusion temperature is 260 DEG C, prepares effect pigment master batch; Second step, by after above-mentioned effect pigment master batch and Transparent ABS Resin in proportion premix by Nanjing Ke Beilong company STS35 machine extruding pelletization, extrusion temperature is 220 DEG C, obtains the resin combination 1 comprising effect pigment.
Embodiment 2
The present embodiment providing package contains resin combination and the preparation method of effect pigment, and its preparation method comprises the following steps:
(1) get the raw materials ready according to following component and content:
Wherein, fluoropolymer resin is transparent ABS, electrochemically provides;
Properties-correcting agent is polyethylene terephthalate, is provided by Shanghai Jinshan petrochemical industry, and limiting viscosity is 0.81dl/g, and fusing point is 252 DEG C
Effect pigment is aluminium powder, particle diameter 45 μm, and vinylformic acid is coated, and length-to-diameter ratio is: 0.01-0.1.
Lubricant is PETS;
Oxidation inhibitor is Irganox 1024.
(2) first by after PET (polyethylene terephthalate) resin and effect pigment according to the above ratio premix by Nanjing Ke Beilong company STS35 machine extruding pelletization, extrusion temperature is 260 DEG C, prepares effect pigment master batch; Second step, by after above-mentioned effect pigment master batch and Transparent ABS Resin in proportion premix by Nanjing Ke Beilong company STS35 machine extruding pelletization, extrusion temperature is 220 DEG C, obtains the resin combination 2 comprising effect pigment.
Embodiment 3
The present embodiment providing package contains resin combination and the preparation method of effect pigment, and its preparation method comprises the following steps:
(1) get the raw materials ready according to following component and content:
Wherein, fluoropolymer resin is PMMA resin, is provided by Qi Mei company
Properties-correcting agent is polyethylene terephthalate, is provided by Shanghai Jinshan petrochemical industry, and limiting viscosity is 0.81dl/g, and fusing point is 252 DEG C
Effect pigment is aluminium powder, particle diameter 45 μm, and vinylformic acid is coated, and length-to-diameter ratio is: 0.01-0.1.
Lubricant is PETS;
Oxidation inhibitor is Irganox 1024.
(2) first by after pet resin and effect pigment according to the above ratio premix by Nanjing Ke Beilong company STS35 machine extruding pelletization, extrusion temperature is 260 DEG C, prepares effect pigment master batch; Second step, by after above-mentioned effect pigment master batch and Transparent ABS Resin in proportion premix by Nanjing Ke Beilong company STS35 machine extruding pelletization, extrusion temperature is 220 DEG C, obtains the resin combination 4 comprising effect pigment.
Embodiment 4
The present embodiment providing package contains resin combination and the preparation method of effect pigment, and its preparation method comprises the following steps:
(1) get the raw materials ready according to following component and content:
Wherein, fluoropolymer resin is ABS/PMMA alloy, is provided by Jin Huli company;
Properties-correcting agent is polyethylene terephthalate, is provided by Shanghai Jinshan petrochemical industry, and limiting viscosity is 0.81dl/g, and fusing point is 252 DEG C
Effect pigment is aluminium powder, particle diameter 45 μm, and vinylformic acid is coated, and length-to-diameter ratio is: 0.01-0.1.
Lubricant is PETS;
Oxidation inhibitor is Irganox 1024.
(2) first by after pet resin and effect pigment according to the above ratio premix by Nanjing Ke Beilong company STS35 machine extruding pelletization, extrusion temperature is 260 DEG C, prepares effect pigment master batch; Second step, by after above-mentioned effect pigment master batch and Transparent ABS Resin in proportion premix by Nanjing Ke Beilong company STS35 machine extruding pelletization, extrusion temperature is 220 DEG C, obtains the resin combination 4 comprising effect pigment.
Comparative example 1
The present embodiment providing package contains resin combination and the preparation method of effect pigment, and its preparation method comprises the following steps:
(1) get the raw materials ready according to following component and content:
Wherein, fluoropolymer resin is transparent ABS, electrochemically provides;
Properties-correcting agent is polyethylene terephthalate, is provided by Shanghai Jinshan petrochemical industry, and limiting viscosity is 0.81dl/g effect pigment is aluminium powder, and particle diameter 45 μm, vinylformic acid is coated
Lubricant is PETS;
Oxidation inhibitor is Irganox 1024.
(2) pass through Nanjing Ke Beilong company STS35 machine extruding pelletization by after above-mentioned component in proportion premix, extrusion temperature is 220 DEG C, obtains comprising effect pigment Comparative composition 1
Comparative example 2
The present embodiment providing package contains resin combination and the preparation method of effect pigment, and its preparation method comprises the following steps:
(1) get the raw materials ready according to following component and content:
Wherein, fluoropolymer resin is transparent ABS, electrochemically provides;
Properties-correcting agent is polyethylene terephthalate, is provided by Shanghai Jinshan petrochemical industry, and limiting viscosity is 0.81dl/g effect pigment is aluminium powder, and particle diameter 45 μm, vinylformic acid is coated
Lubricant is PETS;
Oxidation inhibitor is Irganox 1024.
(2) first by after pet resin and effect pigment according to the above ratio premix by Nanjing Ke Beilong company STS35 machine extruding pelletization, extrusion temperature is 260 DEG C, prepares effect pigment master batch; Second step, by after above-mentioned effect pigment master batch and Transparent ABS Resin in proportion premix by Nanjing Ke Beilong company STS35 machine extruding pelletization, extrusion temperature is 220 DEG C, obtains comprising effect pigment Comparative composition 2
Comparative example 3
The present embodiment providing package contains resin combination and the preparation method of effect pigment, and its preparation method comprises the following steps:
(1) get the raw materials ready according to following component and content:
Wherein, fluoropolymer resin is transparent ABS, electrochemically provides;
Properties-correcting agent is polybutylene terephthalate, is provided by Jiangsu Yizheng Fiber Optical plant, and limiting viscosity is 0.72dl/g effect pigment is aluminium powder, and particle diameter 45 μm, vinylformic acid is coated
Lubricant is PETS;
Oxidation inhibitor is Irganox 1024.
(2) first by after polybutylene terephthalate resin and effect pigment according to the above ratio premix by Nanjing Ke Beilong company STS35 machine extruding pelletization, extrusion temperature is 260 DEG C, prepares effect pigment master batch; Second step, by after above-mentioned effect pigment master batch and Transparent ABS Resin in proportion premix by Nanjing Ke Beilong company STS35 machine extruding pelletization, extrusion temperature is 220 DEG C, obtains comprising effect pigment Comparative composition 3
Comparative example 4
The present embodiment providing package contains resin combination and the preparation method of effect pigment, and its preparation method comprises the following steps:
(1) get the raw materials ready according to following component and content:
Wherein, fluoropolymer resin is transparent ABS, electrochemically provides;
Properties-correcting agent is polyethylene terephthalate, is provided by Shanghai Jinshan petrochemical industry, and limiting viscosity is 0.81dl/g effect pigment is aluminium powder, and particle diameter 45 μm, vinylformic acid is coated
Lubricant is PETS;
Oxidation inhibitor is Irganox 1024.
(2) pass through Nanjing Ke Beilong company STS35 machine extruding pelletization by after above-mentioned component in proportion premix, extrusion temperature is 220 DEG C, obtains comprising effect pigment Comparative composition 4
Comparative example 5
The present embodiment providing package contains resin combination and the preparation method of effect pigment, and its preparation method comprises the following steps:
(1) get the raw materials ready according to following component and content:
Wherein, fluoropolymer resin is transparent ABS, electrochemically provides;
Properties-correcting agent is polyethylene terephthalate, is provided by Shanghai Jinshan petrochemical industry, and limiting viscosity is 0.81dl/g effect pigment is aluminium powder, and particle diameter 45 μm, vinylformic acid is coated
Lubricant is PETS;
Oxidation inhibitor is Irganox 1024.
(2) first by after pet resin and effect pigment according to the above ratio premix by Nanjing Ke Beilong company STS35 machine extruding pelletization, extrusion temperature is 260 DEG C, prepares effect pigment master batch; Second step, by after above-mentioned effect pigment master batch and Transparent ABS Resin in proportion premix by Nanjing Ke Beilong company STS35 machine extruding pelletization, extrusion temperature is 250 DEG C, obtains comprising effect pigment Comparative composition 4
Knit-lines evaluation method
The resin that above-described embodiment and comparative example obtain is entered to water mold injection molding by two-way after 90 DEG C of dry 3h, by OLMPUS metallography microscope sem observation knit-lines width, carries out grading evaluation by naked eyes simultaneously
Table 1
Note: ◎ optimum zero is medium
the poorest
As shown in Table 1, resin combination knit-lines containing crystallinity properties-correcting agent significantly reduces, and the composition not adding properties-correcting agent of the present invention has obvious weld bond, embodiment 1 compares discovery with Comparative composition 5, and preparation method of the present invention has obvious effect to improving knit-lines.Compared with prior art, the present invention is simple to operate, easily realizes industrialization, has obvious market outlook.
Embodiment 5
The present embodiment providing package contains resin combination and the preparation method of effect pigment, and its preparation method comprises the following steps:
(1) get the raw materials ready according to following component and content:
Wherein, fluoropolymer resin is PMMA resin, is provided by Qi Mei company
Properties-correcting agent is polyethylene terephthalate, is provided by Shanghai Jinshan petrochemical industry, measures its fusing point at 270 DEG C by DSC method;
Effect pigment is the coated aluminium powder of PE wax, and particle diameter 1 μm, length-to-diameter ratio is: 0.01-0.1.
Lubricant is fatty acid amide;
Oxidation inhibitor is that CIBA refines the Irganox 1330 of company.
(2) first pet resin and effect pigment are passed through Nanjing Ke Beilong company STS35 machine extruding pelletization according to the above ratio after low speed mixer (rotating speed is 50rpm) premix, extrusion temperature is 260 DEG C, prepares effect pigment master batch; Second step, by after above-mentioned effect pigment master batch and Transparent ABS Resin in proportion premix by Nanjing Ke Beilong company STS35 machine extruding pelletization, extrusion temperature is 230 DEG C, obtains the resin combination comprising effect pigment.
Embodiment 6
The present embodiment providing package contains resin combination and the preparation method of effect pigment, and its preparation method comprises the following steps:
(1) get the raw materials ready according to following component and content:
Wherein, fluoropolymer resin is ABS/PMMA alloy, is provided by Jin Huli company;
Properties-correcting agent is polyethylene terephthalate, is provided by Shanghai Jinshan petrochemical industry, measures its fusing point at 240 DEG C by DSC method;
Effect pigment is the coated zinc powder of mineral oil, and particle diameter 300 μm, length-to-diameter ratio is: 0.01-0.1.
Lubricant is silicone oil;
Oxidation inhibitor is that CIBA refines the Irganox 3114 of company.
(2) first pet resin and effect pigment are passed through Nanjing Ke Beilong company STS35 machine extruding pelletization according to the above ratio after premix in low speed mixer (rotating speed is 100rpm), extrusion temperature is 260 DEG C, prepares effect pigment master batch; Second step, by after above-mentioned effect pigment master batch and Transparent ABS Resin in proportion premix by Nanjing Ke Beilong company STS35 machine extruding pelletization, extrusion temperature is 220 DEG C, obtains the resin combination comprising effect pigment.
Claims (10)
1. comprise a resin combination for effect pigment, it is characterized in that, the raw material comprising following component and weight part is made:
Fluoropolymer resin: 80 ~ 98;
Properties-correcting agent: 2 ~ 20;
Effect pigment: 0.1 ~ 4.0;
Lubricant: 0.1 ~ 1.0;
Oxidation inhibitor: 0.1 ~ 1.0;
Described fluoropolymer resin is a kind of or its multiple mixture in phenylethylene resin series, acrylic resin, polycarbonate; Described phenylethylene resin series is transparent styrene resin; Described acrylic resin is one in PMMA, MS, MSAN, transparent ABS or its mixture;
Described properties-correcting agent is crystalline polymer polyethylene terephthalate, measures its fusing point at 240-270 DEG C by DSC method.
2. a kind of resin combination comprising effect pigment according to claim 1, it is characterized in that, the polyhedral structure of described effect pigment to be length-to-diameter ratio be 0.01-0.1, comprises the mixture of one or more in natural fish scale effect pigment, pearl white crystallization effect pigment, mica coating effect pigment, silica-coating effect pigment, aluminum borate salt coating effect pigment, micanite coating effect pigment, bismuth oxide coating effect pigment;
3. a kind of resin combination comprising effect pigment according to claim 2, is characterized in that, described effect pigment is mica coating effect pigment, silica-coating effect pigment, and its form is included as sheet, silver dollar shape, bar-shaped or spherical.
4. a kind of resin combination comprising effect pigment according to claim 1 or 3, it is characterized in that, described effect pigment is that surface-coated has the aluminium powder of coating layer, zinc powder or copper powder, and particle diameter is 1 μm-300 μm, and its surface coating layer is selected from the one in PE wax, vinylformic acid or mineral oil.
5. a kind of resin combination comprising effect pigment according to claim 4, is characterized in that, the particle diameter of described effect pigment is 20-180 μm.
6. a kind of resin combination comprising effect pigment according to claim 1, it is characterized in that, described lubricant is one or more in silicone oil, white mineral oil, fatty acid amide, barium stearate, Magnesium Stearate, paraffin, polyethylene wax, ethylene-vinyl acetate copolymer or ethylene-acrylic acid copolymer.
7. a kind of resin combination comprising effect pigment according to claim 1, is characterized in that, described oxidation inhibitor comprises CIBA and to refine Irganox 1024, the Irganox 1330 of company or one or more of Irganox 3114.
8., as the preparation method comprising the resin combination of effect pigment as described in arbitrary in claim 1-7, it is characterized in that, the method comprises the following steps:
The first step: by weight properties-correcting agent 2 ~ 20 and effect pigment 0.1 ~ 4.0 are passed through the granulation of dual-screw-stem machine forcing machine after premix in low speed mixer, prepare effect pigment master batch;
Second step: pass through twin screw extruder granulation by after above-mentioned effect pigment master batch and fluoropolymer resin 80 ~ 98 premix, preparation comprises the resin combination of effect pigment.
9. a kind of preparation method comprising the resin combination of effect pigment according to claim 8, is characterized in that, the temperature difference △ T=T of the twin screw extruder described in step (2)
1-T
2=-20 ~-40 DEG C, wherein T
1represent the extrusion temperature of forcing machine, T
2for the fusing point of properties-correcting agent, go beyond the scope if super, then may cause the deterioration of knit-lines.
10. a kind of preparation method comprising the resin combination of effect pigment according to claim 8, is characterized in that, the speed of described low speed mixer is 50-100rpm.
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| CN103724926B (en) * | 2013-12-30 | 2017-11-24 | 上海锦湖日丽塑料有限公司 | A kind of aesthetic resin composition for improving outward appearance and preparation method thereof |
| CN103881284B (en) * | 2014-03-14 | 2017-07-07 | 上海朗亿功能材料有限公司 | A kind of super thin metal pigment improves resin outward appearance composition and preparation method thereof |
| CN106589768B (en) * | 2016-12-06 | 2019-09-27 | 上海锦湖日丽塑料有限公司 | The PC/ABS for improving injection molding filamentary silver problem exempts to spray resin combination and preparation method thereof |
| CN108178921A (en) * | 2017-12-27 | 2018-06-19 | 上海普利特复合材料股份有限公司 | One kind is exempted to spray PA/ABS alloy materials and preparation method thereof |
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| CN102464855A (en) * | 2010-11-15 | 2012-05-23 | 上海锦湖日丽塑料有限公司 | Aesthetic resin for improving white blink effect and preparation method thereof |
| CN102190846A (en) * | 2011-01-28 | 2011-09-21 | 上海锦湖日丽塑料有限公司 | Antiscratch resin and preparation method thereof |
| CN102627828A (en) * | 2012-03-19 | 2012-08-08 | 上海锦湖日丽塑料有限公司 | Resin composition capable of reducing surface temperature of automotive interior product having deep color and preparation method thereof |
| CN102627827A (en) * | 2012-03-19 | 2012-08-08 | 上海锦湖日丽塑料有限公司 | Aesthetic resin composition having metal appearance and preparation method thereof |
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