CN102993587A - 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 PDF

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Publication number
CN102993587A
CN102993587A CN2012105451272A CN201210545127A CN102993587A CN 102993587 A CN102993587 A CN 102993587A CN 2012105451272 A CN2012105451272 A CN 2012105451272A CN 201210545127 A CN201210545127 A CN 201210545127A CN 102993587 A CN102993587 A CN 102993587A
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Prior art keywords
effect pigment
resin
preparation
resin combination
resin composition
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CN102993587B (en
Inventor
宋治乾
徐建荣
周霆
罗明华
辛敏琦
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Shanghai Kumho Sunny Plastics Co Ltd
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Shanghai Kumho Sunny Plastics Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/04Particle-shaped
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395Means 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
    • B29C48/40Means 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/92Measuring, controlling or regulating

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  • Engineering & Computer Science (AREA)
  • 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

Comprise resin combination of effect pigment and preparation method thereof
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 especially the resin combination and the preparation method that comprise effect pigment.
Background technology
In recent years, the consumer's goods have produced strong demand to the plastics with unique color and outward appearance.For example, the outward appearance product that has at present flicker effect and metal-like more and more is subject to human consumer's favor, compares with traditional single tone, and the outward appearance of this uniqueness can be brought great visual impact to the people, make the human consumer can enjoy its aesthetics design, we call aesthetic resin to this material.
Aesthetic resin realizes by add effect pigment in fluoropolymer resin, and the effect pigment of mentioning here refers to have the special pigment of certain length-to-diameter ratio and unique polyhedral structure, and this class pigment is at present modal to be metallic pigment and pearly pigment.Owing to having the special construction on the microcosmic, so this class pigment has special optical effect, giving 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 effect pigment resistance to flow when running into thin-walled, screw hole or cavity improves in moulding process, cause these regional pigment to be piled up and other regional pigment disappearances, show as obvious knit-lines or flow liner, product appearance is worsened; In addition, near the cast gate and goods top layer is high shear zone in the injection moulding, easily causes the lamellar pigment orientation, owing to reflectance varies causes unacceptable color.And particle is spherical, then isotropic on its rheodynamics, thereby be conducive to reducing or eliminating of streamline or bonding wire, but because spherical pigment reflectivity is lower, how the metal-like that can't obtain to expect and flicker effect be so to obtain to become the technical barrier that needs to be resolved hurrily without streamline (bonding wire) and resin combination with true metal outward appearance.
Patent CN 101796110A discloses a kind of resin combination that comprises special vision additive, demonstrate the knit-lines of remarkable minimizing by adding chemical foaming agent, but since must be in specific processing temperature scope whipping agent could the generation effect, so process window is narrower, practicality is not enough.Thereby patent CN 1764196A discloses a kind of orientation of the pigment of high length-diameter ratio being sealed minimizing pigment by suspension polymerization, thereby improve knit-lines, this technology is effectively in principle, but because complicated process of preparation and process costs are higher, does not possess operability.
Summary of the invention
Purpose of the present invention is exactly the knit-lines that a kind of remarkable minimizing is provided in order to overcome the defective that above-mentioned prior art exists, and what have excellent surface quality comprises resin combination of effect pigment and preparation method thereof.
Purpose of the present invention can be achieved through the following technical solutions: a kind of resin combination that comprises effect pigment, it is characterized in that, and comprise that the raw material of 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 in phenylethylene resin series, acrylic resin, the polycarbonate or mixture that it is multiple; Described phenylethylene resin series preferably transparent phenylethylene resin series; Described acrylic resin is a kind of or its mixture in PMMA, MS, MSAN, the transparent ABS.
Described properties-correcting agent is crystalline polymer, measures its fusing point at 240-270 ℃ by the DSC method, preferred polyethylene terephthalate.
Described effect pigment is that length-to-diameter ratio is the polyhedral structure of 0.01-0.1, comprises that applying effect pigment, silica-coating effect pigment, aluminum borate salt from natural fish scale effect pigment, pearl white crystallization effect pigment, mica applies effect pigment, micanite and apply effect pigment, bismuth oxide and apply one or more mixture in the effect pigment; Preferred mica applies effect pigment, the silica-coating effect pigment, and micanite applies effect pigment, and its form is included as sheet, silver dollar shape, bar-shaped or spherical.
Described effect pigment is aluminium powder, zinc powder or the copper powder that surface-coated has coating layer, and particle diameter is 1 μ m-300 μ m, and the preferred 20-180 μ of particle diameter m, its surface coating layer are selected from a kind of in PE wax, vinylformic acid or the 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 the ethylene-acrylic acid copolymer.
Described oxidation inhibitor comprises CIBA refine Irganox 1024, the Irganox 1330 of company or one or more of Irganox 3114.
A kind of preparation method who comprises the resin combination of effect pigment is characterized in that, the method may further comprise the 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 behind the premix in low speed mixer, preparation effect pigment master batch;
Second step: will pass through the twin screw extruder granulation behind above-mentioned effect pigment master batch and fluoropolymer resin 80~98 premixs, preparation comprises the resin combination of effect pigment.
The temperature difference T=T of the described twin screw extruder of step (2) 1-T 2=-20~-40 ℃, T wherein 1The extrusion temperature of expression forcing machine, T 2Be the fusing point of properties-correcting agent, if exceed this scope, 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 is because through using, its character can not show a candle to new PET, and viscosity degradation is more and present the fragility characteristics.With the ABS blend, when becoming alloy, its toughening mechanism and endergonic mode mainly are as main take crazing.But the processing temperature of PET is higher, and the ABS powder has degraded and occurs when high temperature, thereby affects its toughening efficiency.According to its toughening mechanism and applicable cases, by improving toughness reinforcing particle diameter, distribution and feeding manner, take into account simultaneously the factor of breach fracture, design and develop a kind of regenerative PET of HI high impact/ABS alloy material.
Compared with prior art, the present invention adopt fusing point at 240-270 ℃ crystalline polymer as properties-correcting agent, utilize covering property and the adhesive property of fusing point difference He this crystallinity properties-correcting agent pairing effect pigment excellence of properties-correcting agent and matrix resin, preparation method by the present invention proposes realizes 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 of remarkable minimizing, has excellent surface quality, is a kind of outward appearance innovative solution, has obvious market application foreground.
Embodiment
The invention will be further described below in conjunction with specific embodiment, but the present invention's scope required for protection is not limited to the scope that embodiment puts down in writing.
Embodiment 1
The present embodiment provides resin combination and the preparation method who comprises effect pigment, and its preparation method may further comprise the steps:
(1) get the raw materials ready according to following component and content:
Figure BDA00002588323900041
Wherein, fluoropolymer resin is transparent ABS, and electrochemical provides;
Properties-correcting agent is polyethylene terephthalate, is provided by the Shanghai Jinshan petrochemical industry, and limiting viscosity is 0.81dl/g, and fusing point is 252 ℃
Effect pigment is aluminium powder, particle diameter 45 μ m, and vinylformic acid coats, and length-to-diameter ratio is: 0.01-0.1.
Lubricant is PETS;
Oxidation inhibitor is Irganox 1024.
(2) at first PET (polyethylene terephthalate) resin and effect pigment are passed through the doubly grand STS35 of company machine extruding pelletization of Nanjing section behind the premix according to the above ratio, extrusion temperature is 260 ℃, preparation effect pigment master batch; Second step passes through the doubly grand STS35 of company machine extruding pelletization of Nanjing section behind the premix in proportion with above-mentioned effect pigment master batch and Transparent ABS Resin, and extrusion temperature is 220 ℃, obtains comprising the resin combination 1 of effect pigment.
Embodiment 2
The present embodiment provides resin combination and the preparation method who comprises effect pigment, and its preparation method may further comprise the steps:
(1) get the raw materials ready according to following component and content:
Figure BDA00002588323900042
Wherein, fluoropolymer resin is transparent ABS, and electrochemical provides;
Properties-correcting agent is polyethylene terephthalate, is provided by the Shanghai Jinshan petrochemical industry, and limiting viscosity is 0.81dl/g, and fusing point is 252 ℃
Effect pigment is aluminium powder, particle diameter 45 μ m, and vinylformic acid coats, and length-to-diameter ratio is: 0.01-0.1.
Lubricant is PETS;
Oxidation inhibitor is Irganox 1024.
(2) at first PET (polyethylene terephthalate) resin and effect pigment are passed through the doubly grand STS35 of company machine extruding pelletization of Nanjing section behind the premix according to the above ratio, extrusion temperature is 260 ℃, preparation effect pigment master batch; Second step passes through the doubly grand STS35 of company machine extruding pelletization of Nanjing section behind the premix in proportion with above-mentioned effect pigment master batch and Transparent ABS Resin, and extrusion temperature is 220 ℃, obtains comprising the resin combination 2 of effect pigment.
Embodiment 3
The present embodiment provides resin combination and the preparation method who comprises effect pigment, and its preparation method may further comprise the steps:
(1) get the raw materials ready according to following component and content:
Figure BDA00002588323900051
Wherein, fluoropolymer resin is the PMMA resin, is provided by Qi Mei company
Properties-correcting agent is polyethylene terephthalate, is provided by the Shanghai Jinshan petrochemical industry, and limiting viscosity is 0.81dl/g, and fusing point is 252 ℃
Effect pigment is aluminium powder, particle diameter 45 μ m, and vinylformic acid coats, and length-to-diameter ratio is: 0.01-0.1.
Lubricant is PETS;
Oxidation inhibitor is Irganox 1024.
(2) at first pet resin and effect pigment are passed through the doubly grand STS35 of company machine extruding pelletization of Nanjing section behind the premix according to the above ratio, extrusion temperature is 260 ℃, preparation effect pigment master batch; Second step passes through the doubly grand STS35 of company machine extruding pelletization of Nanjing section behind the premix in proportion with above-mentioned effect pigment master batch and Transparent ABS Resin, and extrusion temperature is 220 ℃, obtains comprising the resin combination 4 of effect pigment.
Embodiment 4
The present embodiment provides resin combination and the preparation method who comprises effect pigment, and its preparation method may further comprise the steps:
(1) get the raw materials ready according to following component and content:
Figure BDA00002588323900052
Wherein, fluoropolymer resin is the ABS/PMMA alloy, is provided by bright and beautiful lake Ri Li company;
Properties-correcting agent is polyethylene terephthalate, is provided by the Shanghai Jinshan petrochemical industry, and limiting viscosity is 0.81dl/g, and fusing point is 252 ℃
Effect pigment is aluminium powder, particle diameter 45 μ m, and vinylformic acid coats, and length-to-diameter ratio is: 0.01-0.1.
Lubricant is PETS;
Oxidation inhibitor is Irganox 1024.
(2) at first pet resin and effect pigment are passed through the doubly grand STS35 of company machine extruding pelletization of Nanjing section behind the premix according to the above ratio, extrusion temperature is 260 ℃, preparation effect pigment master batch; Second step passes through the doubly grand STS35 of company machine extruding pelletization of Nanjing section behind the premix in proportion with above-mentioned effect pigment master batch and Transparent ABS Resin, and extrusion temperature is 220 ℃, obtains comprising the resin combination 4 of effect pigment.
The comparative example 1
The present embodiment provides resin combination and the preparation method who comprises effect pigment, and its preparation method may further comprise the steps:
(1) get the raw materials ready according to following component and content:
Wherein, fluoropolymer resin is transparent ABS, and electrochemical provides;
Properties-correcting agent is polyethylene terephthalate, is provided by the Shanghai Jinshan petrochemical industry, and limiting viscosity is that the 0.81dl/g effect pigment is aluminium powder, particle diameter 45 μ m, and vinylformic acid coats
Lubricant is PETS;
Oxidation inhibitor is Irganox 1024.
(2) above-mentioned component is passed through the doubly grand STS35 of company machine extruding pelletization of Nanjing section behind the premix in proportion, extrusion temperature is 220 ℃, obtains comprising effect pigment Comparative composition 1
The comparative example 2
The present embodiment provides resin combination and the preparation method who comprises effect pigment, and its preparation method may further comprise the steps:
(1) get the raw materials ready according to following component and content:
Wherein, fluoropolymer resin is transparent ABS, and electrochemical provides;
Properties-correcting agent is polyethylene terephthalate, is provided by the Shanghai Jinshan petrochemical industry, and limiting viscosity is that the 0.81dl/g effect pigment is aluminium powder, particle diameter 45 μ m, and vinylformic acid coats
Lubricant is PETS;
Oxidation inhibitor is Irganox 1024.
(2) at first pet resin and effect pigment are passed through the doubly grand STS35 of company machine extruding pelletization of Nanjing section behind the premix according to the above ratio, extrusion temperature is 260 ℃, preparation effect pigment master batch; Second step passes through the doubly grand STS35 of company machine extruding pelletization of Nanjing section behind the premix in proportion with above-mentioned effect pigment master batch and Transparent ABS Resin, and extrusion temperature is 220 ℃, obtains comprising effect pigment Comparative composition 2
The comparative example 3
The present embodiment provides resin combination and the preparation method who comprises effect pigment, and its preparation method may further comprise the steps:
(1) get the raw materials ready according to following component and content:
Wherein, fluoropolymer resin is transparent ABS, and electrochemical provides;
Properties-correcting agent is polybutylene terephthalate, is provided by the Jiangsu Yizheng Fiber Optical plant, and limiting viscosity is that the 0.72dl/g effect pigment is aluminium powder, particle diameter 45 μ m, and vinylformic acid coats
Lubricant is PETS;
Oxidation inhibitor is Irganox 1024.
(2) at first polybutylene terephthalate resin and effect pigment are passed through the doubly grand STS35 of company machine extruding pelletization of Nanjing section behind the premix according to the above ratio, extrusion temperature is 260 ℃, preparation effect pigment master batch; Second step passes through the doubly grand STS35 of company machine extruding pelletization of Nanjing section behind the premix in proportion with above-mentioned effect pigment master batch and Transparent ABS Resin, and extrusion temperature is 220 ℃, obtains comprising effect pigment Comparative composition 3
The comparative example 4
The present embodiment provides resin combination and the preparation method who comprises effect pigment, and its preparation method may further comprise the steps:
(1) get the raw materials ready according to following component and content:
Figure BDA00002588323900081
Wherein, fluoropolymer resin is transparent ABS, and electrochemical provides;
Properties-correcting agent is polyethylene terephthalate, is provided by the Shanghai Jinshan petrochemical industry, and limiting viscosity is that the 0.81dl/g effect pigment is aluminium powder, particle diameter 45 μ m, and vinylformic acid coats
Lubricant is PETS;
Oxidation inhibitor is Irganox 1024.
(2) above-mentioned component is passed through the doubly grand STS35 of company machine extruding pelletization of Nanjing section behind the premix in proportion, extrusion temperature is 220 ℃, obtains comprising effect pigment Comparative composition 4
The comparative example 5
The present embodiment provides resin combination and the preparation method who comprises effect pigment, and its preparation method may further comprise the steps:
(1) get the raw materials ready according to following component and content:
Figure BDA00002588323900082
Wherein, fluoropolymer resin is transparent ABS, and electrochemical provides;
Properties-correcting agent is polyethylene terephthalate, is provided by the Shanghai Jinshan petrochemical industry, and limiting viscosity is that the 0.81dl/g effect pigment is aluminium powder, particle diameter 45 μ m, and vinylformic acid coats
Lubricant is PETS;
Oxidation inhibitor is Irganox 1024.
(2) at first pet resin and effect pigment are passed through the doubly grand STS35 of company machine extruding pelletization of Nanjing section behind the premix according to the above ratio, extrusion temperature is 260 ℃, preparation effect pigment master batch; Second step passes through the doubly grand STS35 of company machine extruding pelletization of Nanjing section behind the premix in proportion with above-mentioned effect pigment master batch and Transparent ABS Resin, and extrusion temperature is 250 ℃, obtains comprising effect pigment Comparative composition 4
The knit-lines evaluation method
The resin that above-described embodiment and comparative example are obtained advances to water the mould injection moulding by two-way behind 90 ℃ of dry 3h, by OLMPUS metallography microscope sem observation knit-lines width, carry out grading evaluation by naked eyes simultaneously
Table 1
Annotate: ◎ optimum zero is medium
Figure BDA00002588323900092
The poorest
As shown in Table 1, the resin combination knit-lines that contains crystallinity properties-correcting agent significantly reduces, and the composition that does not add properties-correcting agent of the present invention has obvious weld bond, and embodiment 1 relatively finds 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 provides resin combination and the preparation method who comprises effect pigment, and its preparation method may further comprise the steps:
(1) get the raw materials ready according to following component and content:
Wherein, fluoropolymer resin is the PMMA resin, is provided by Qi Mei company
Properties-correcting agent is polyethylene terephthalate, is provided by the Shanghai Jinshan petrochemical industry, measures its fusing point at 270 ℃ by the DSC method;
Effect pigment is the aluminium powder that PE wax coats, particle diameter 1 μ m, and length-to-diameter ratio is: 0.01-0.1.
Lubricant is fatty acid amide;
Oxidation inhibitor is the refine Irganox 1330 of company of CIBA.
(2) at first pet resin and effect pigment are passed through the doubly grand STS35 of company machine extruding pelletization of Nanjing section according to the above ratio behind low speed mixer (rotating speed is 50rpm) premix, extrusion temperature is 260 ℃, preparation effect pigment master batch; Second step passes through the doubly grand STS35 of company machine extruding pelletization of Nanjing section behind the premix in proportion with above-mentioned effect pigment master batch and Transparent ABS Resin, and extrusion temperature is 230 ℃, obtains comprising the resin combination of effect pigment.
Embodiment 6
The present embodiment provides resin combination and the preparation method who comprises effect pigment, and its preparation method may further comprise the steps:
(1) get the raw materials ready according to following component and content:
Figure BDA00002588323900102
Wherein, fluoropolymer resin is the ABS/PMMA alloy, is provided by bright and beautiful lake Ri Li company;
Properties-correcting agent is polyethylene terephthalate, is provided by the Shanghai Jinshan petrochemical industry, measures its fusing point at 240 ℃ by the DSC method;
Effect pigment is the zinc powder that mineral oil coats, particle diameter 300 μ m, and length-to-diameter ratio is: 0.01-0.1.
Lubricant is silicone oil;
Oxidation inhibitor is the refine Irganox 3114 of company of CIBA.
(2) at first pet resin and effect pigment are passed through the doubly grand STS35 of company machine extruding pelletization of Nanjing section according to the above ratio behind the premix in low speed mixer (rotating speed is 100rpm), extrusion temperature is 260 ℃, preparation effect pigment master batch; Second step passes through the doubly grand STS35 of company machine extruding pelletization of Nanjing section behind the premix in proportion with above-mentioned effect pigment master batch and Transparent ABS Resin, and extrusion temperature is 220 ℃, obtains comprising the resin combination of effect pigment.

Claims (10)

1. a resin combination that comprises effect pigment is characterized in that, comprises that the raw material of 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.
2. a kind of resin combination that comprises effect pigment according to claim 1 is characterized in that, described fluoropolymer resin is a kind of in phenylethylene resin series, acrylic resin, the polycarbonate or mixture that it is multiple; Described phenylethylene resin series preferably transparent phenylethylene resin series; Described acrylic resin is a kind of or its mixture in PMMA, MS, MSAN, the transparent ABS.
3. a kind of resin combination that comprises effect pigment according to claim 1 and 2 is characterized in that, described properties-correcting agent is crystalline polymer, measures its fusing point at 240-270 ℃ by the DSC method, preferred polyethylene terephthalate.
4. a kind of resin combination that comprises effect pigment according to claim 1, it is characterized in that, described effect pigment is that length-to-diameter ratio is the polyhedral structure of 0.01-0.1, comprises that applying effect pigment, silica-coating effect pigment, aluminum borate salt from natural fish scale effect pigment, pearl white crystallization effect pigment, mica applies effect pigment, micanite and apply effect pigment, bismuth oxide and apply one or more mixture in the effect pigment; Preferred mica applies effect pigment, the silica-coating effect pigment, and micanite applies effect pigment, and its form is included as sheet, silver dollar shape, bar-shaped or spherical.
5. according to claim 1 or 4 described a kind of resin combinations that comprise effect pigment, it is characterized in that, described effect pigment is aluminium powder, zinc powder or the copper powder that surface-coated has coating layer, particle diameter is 1 μ m-300 μ m, the preferred 20-180 μ of particle diameter m, its surface coating layer are selected from a kind of in PE wax, vinylformic acid or the mineral oil.
6. a kind of resin combination that comprises 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 bis stearic acid amide, ethylene-vinyl acetate copolymer or the ethylene-acrylic acid copolymer.
7. a kind of resin combination that comprises effect pigment according to claim 1 is characterized in that, described oxidation inhibitor comprises CIBA refine Irganox 1024, the Irganox 1330 of company or one or more of Irganox 3114.
8. one kind such as arbitrary described preparation method who comprises the resin combination of effect pigment among the claim 1-7, it is characterized in that, the method may further comprise the 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 behind the premix in low speed mixer, preparation effect pigment master batch;
Second step: will pass through the twin screw extruder granulation behind above-mentioned effect pigment master batch and fluoropolymer resin 80~98 premixs, preparation comprises the resin combination of effect pigment.
9. a kind of preparation method who comprises the resin combination of effect pigment according to claim 8 is characterized in that, the temperature difference T=T of the described twin screw extruder of step (2) 1-T 2=-20~-40 ℃, T wherein 1The extrusion temperature of expression forcing machine, T 2Be the fusing point of properties-correcting agent, if exceed this scope, then may cause the deterioration of knit-lines.
10. a kind of preparation method who comprises 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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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103724926A (en) * 2013-12-30 2014-04-16 上海锦湖日丽塑料有限公司 Aesthetic resin composition for improving appearance and preparation method of aesthetic resin composition
CN103881284A (en) * 2014-03-14 2014-06-25 上海朗亿功能材料有限公司 Ultrathin metallic pigment composition for improving appearance of resin and preparation method of ultrathin metallic pigment composition
CN106589768A (en) * 2016-12-06 2017-04-26 上海锦湖日丽塑料有限公司 PC/ABS free-spraying resin composition improving silver wire problem in injection molding and preparation method of PC/ABS free-spraying resin composition
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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