CN101831164B - IMD (In-Mole Decoration) injection molding PC/ABS (Polycarbonate/Acrylonitrile Butadiene Styrene) composite material and preparation method - Google Patents

IMD (In-Mole Decoration) injection molding PC/ABS (Polycarbonate/Acrylonitrile Butadiene Styrene) composite material and preparation method Download PDF

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CN101831164B
CN101831164B CN2010101581117A CN201010158111A CN101831164B CN 101831164 B CN101831164 B CN 101831164B CN 2010101581117 A CN2010101581117 A CN 2010101581117A CN 201010158111 A CN201010158111 A CN 201010158111A CN 101831164 B CN101831164 B CN 101831164B
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abs
parts
agent
injection molding
polycarbonate
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CN101831164A (en
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徐东
徐永
刘洁
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Polymer Science Shenzhen New Materials Co Ltd
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Polymer Science Shenzhen New Materials Co Ltd
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    • B29C47/92

Abstract

The invention discloses an IMD (In-Mole Decoration) injection molding PC/ABS (Polycarbonate/Acrylonitrile Butadiene Styrene) composite material and a preparation method. The IMD injection molding PC/ABS composite material comprises the following components in parts by weight: 50-70 parts of PC, 6-10 parts of ABS terpolymer, 6-18 parts of filler, 3-8 parts of toughening agent, 10-13 parts of flameretardant, 0.2-0.8 part of anti-dripping agent, 0.1-0.5 part of antioxidant, 0.1-0.5 part of lubricating agent, 1-2 parts of dispersing agent and 1-3 parts of ductility improver. In the invention, the PC and the ABS terpolymer are used as base materials, and blending modification is carried out by filling minerals and combining the toughening agent, the flame retardant, the antioxidant, the lubricating agent, the dispersing agent and the ductility improver. Compared with traditional PC/ABS alloy, the composite material maintains the physical properties of the traditional PC/ABS material and also greatly improves the size stability of the traditional PC/ABS alloy material, thereby solving the problem of buckling deformation of secondary stamping of the traditional PC/ABS in IMD injection molding.

Description

A kind of IMD injection molding PC/ABS matrix material and preparation method
[technical field]
The present invention relates to technical field of polymer materials, relate in particular to a kind of IMD injection molding PC/ABS matrix material and preparation method.
[background technology]
The IMD-decoration technique inside mold is the at present international surface decoration technique that is in fashion, the surface hardening transparent film, and middle printing pattern layer can make product prevent that surperficial scratch resistance from drawing and rub resistance, and the distinctness that can keep color for a long time fugitive color not.
The IMD-in-mold decoration is a kind of new relatively automatic production process, with other technology mutually specific energy simplify production stage and building block is disassembled in minimizing, can save time and cost, also have simultaneously and improve the quality, increase the complicacy of image and the advantage of raising durability of product, being applied on the product appearance, is the method for present full blast.
But traditional PC/ABS alloy material is easily diagonal angle buckling deformation in the IMD injection moulding process, and the dimensional contraction rate is big, makes goods to assemble.
[summary of the invention]
The technical problem to be solved in the present invention is, at secondary punching press buckling deformation in traditional PC/ABS alloy material IMD injection moulding, problem such as can't assemble, IMD injection molding PC/ABS matrix material that a kind of complete processing is simple, the dimensional contraction rate is little, be difficult for buckling deformation in injection moulding process is provided.
Another technical problem that will solve of the present invention provides the preparation method of a kind of above-mentioned IMD injection molding PC/ABS matrix material.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is, a kind of IMD injection molding PC/ABS matrix material is made up of following component by weight:
Polycarbonate 50~70
ABS 6~10
Weighting material 6~18
Toughner 3~8
Fire retardant 10~13
Anti-dripping agent 0.2~0.8
Oxidation inhibitor 0.1~0.5
Lubricant 0.1~0.5
Dispersion agent 1~2
Ductility activator 1~3
Described ABS is an acrylonitrile-butadiene-styrene terpolymer.
Above-described IMD injection molding PC/ABS matrix material, described polycarbonate are the straight chain polycarbonate of melting index 8~15g/10min or the side chain polycarbonate of melting index 15~25g/10MIN, or both mixtures, and transmittance is greater than 88%; Described ABS is benzene alkene nitrile-butadiene-styrene terpolymer.
Above-described IMD injection molding PC/ABS matrix material, described weighting material is an active talcum powder, water content is less than 0.2%.
Above-described IMD injection molding PC/ABS matrix material, described toughner are the silicon class toughner of nucleocapsid class.
Above-described IMD injection molding PC/ABS matrix material, described fire retardant are tetraphenyl (bisphenol-A) bisphosphate.
Above-described IMD injection molding PC/ABS matrix material, described anti-dripping agent are the tetrafluoroethylene of the modification of tensio-active agent coating, and described tensio-active agent is the compound of octyl group-phenoxy group polyethoxyethanols and Nonylphenoxy polyethoxyethanols.
Above-described IMD injection molding PC/ABS matrix material, described oxidation inhibitor are that suffocated amine antioxidant and organic phosphite are composite; Described lubricant is pentaerythritol stearate or N, N '-ethylene bis stearamide.
Above-described IMD injection molding PC/ABS matrix material, described ductility activator is a linear low density of polyethylene, described dispersion agent is the hydrocarbon compound of saturated low carbon chain.
The technical scheme of a kind of above-mentioned IMD injection molding PC/ABS composite material and preparation method thereof is may further comprise the steps:
Take by weighing polycarbonate, ABS, weighting material, toughner, fire retardant, oxidation inhibitor, lubricant, anti-dripping agent, dispersion agent, ductility activator by said components;
With the polycarbonate that takes by weighing, ABS, weighting material, toughner, anti-dripping agent, oxidation inhibitor, lubricant, dispersion agent, ductility activator in moderate-speed mixers low speed mixing 3-5 minute, high-speed mixing 5-6 minute again;
The raw material that step (2) is mixed adds from the hopper of twin screw extruder, and fire retardant pumps into from the forcing machine downstream area by pump, melt extrudes granulation through twin screw extruder; The twin screw extruder processing condition are: twin screw extruder one district temperature 140-160 ℃, two district temperature 240-260 ℃, three district temperature 240-260 ℃, four district temperature 240-260 ℃, five district temperature 240-260 ℃, six district temperature 240-260 ℃ seven district temperature 240-260 ℃, eight district temperature 240-260 ℃, die head temperature is 260-280 ℃, and compound time of delivery in screw rod is 1~2 minute.
It is base material that the present invention adopts polycarbonate and benzene alkene nitrile-butadiene-styrene terpolymer, add mineral-filled, carry out blending and modifying in conjunction with toughner, fire retardant, oxidation inhibitor, lubricant, dispersion agent, ductility activator, compare conventional P C/ABS alloy, the rerum natura that had both kept traditional PC/ABS to expect, improve the dimensional stability of conventional P C/ABS alloy material again greatly, solved the problem of conventional P C/ABS secondary punching press buckling deformation in the IMD injection moulding.Simultaneously, what the present invention used is not halogen-containing environmental protection fire retarding agent, meets the ROHS of European Union instruction fully, environmentally friendly, satisfies the very high green material service requirements of current cry.
[embodiment]
Below in conjunction with embodiment the present invention is done detailed explanation:
Polycarbonate (PC) is an import PC powder, and plastics company limited of General Electric (U.S.A.) produces, and the trade mark is ML5721 and ML5221.M5721 is a straight chain PC powder, and the molten MI that refers to is at 8~15g/10MIN; ML5221 is a side chain PC powder, and the molten MI that refers to is at 15~25g/10MIN, and transmittance is greater than 88%.
Acrylonitrile-butadiene-styrene terpolymer (ABS) is that plastics company limited of General Electric (U.S.A.) produces, and trade name is C29292.
Toughner is modified toughened dose of the silicon class that Mitsubishi Li Yang company produces the nucleocapsid class, and trade name is S2001, consists of SI/BA-MMA.
Lubricant is pentaerythritol stearate (commodity are called PETS) or N, N '-ethylene bis stearamide.
Fire retardant is tetraphenyl (dihydroxyphenyl propane) the bisphosphate fat that Akzo Nobel N.V. produces.Oxidation inhibitor is the compound of hindered amine oxidation inhibitor (1076) and organic phosphorous acid kind antioxidant (A0-168).
Anti-dripping agent is the tetrafluoroethylene of the modification of tensio-active agent coating, and tensio-active agent is the compound of octyl group-phenoxy group polyethoxyethanols and Nonylphenoxy polyethoxyethanols.The SN3300B2 that selects for use Guangzhou entropy energy polymkeric substance company limited to produce.
Weighting material is the 2000 order active talcum powder that Anhai Talc Co., Ltd., Liaoning produced, and water content is less than 0.2%.
Dispersion agent is for to be the hydrocarbon compound of saturated low carbon chain, the polyethylene wax of selecting for use Switzerland Clariant chemical industry company limited to be produced, and commodity are called 9615A.
The ductility activator is a linear low density of polyethylene, commodity by name 7042.
Embodiment 1, by weight with 70 parts in PC powder (27 parts of ML5221+43 part ML5721), 7 parts of ABS (C 29292), 6 parts in weighting material (2000 order active talcum powder), 5 parts of toughner (S2001), dispersion agent (PE wax) 1%, 0.4 part of anti-dripping agent, 0.3 part in oxidation inhibitor (50%1076+50%AO-168), 0.3 part of lubricant (PETS), (7042) 2 parts of ductility activators, in stirrer low speed mixing 4 minutes again high-speed mixing after 5.5 minutes the hopper from twin screw extruder add, fire retardant (BDP) is annotated mouth at the forcing machine SECTOR-SEVEN for 10 parts and is pumped into, and is that 150--270 ℃ of twin screw extruder extruded granulation through melt temperature.Wherein each zone temperatures is: 150 ℃ in a district, and 150 ℃ in two districts, 255 ℃ in three districts, 255 ℃ in four districts, 255 ℃ in five districts, 255 ℃ in six districts, 255 ℃ in seven districts, 255 ℃ in eight districts, 260 ℃ of die heads, the residence time was 120 seconds.
Embodiment 2, by weight with 66 parts in PC powder (25 parts of ML5221+41 part ML5721), 7 parts of ABS (C 29292), 8 parts in weighting material (2000 order active talcum powder), 5 parts of toughner (S2001), dispersion agent (PE wax) 1%, 0.4 part of anti-dripping agent, 0.3 part in oxidation inhibitor (50%1076+50%AO-168), 0.3 part of lubricant (PETS), (7042) 2 parts of ductility activators, in stirrer low speed mixing 4 minutes again high-speed mixing after 5.5 minutes the hopper from twin screw extruder add, fire retardant (BDP) is annotated mouth at the forcing machine SECTOR-SEVEN for 12 parts and is pumped into, and is that 150--270 ℃ of twin screw extruder extruded granulation through melt temperature.Preparation technology is with embodiment 1.
Embodiment 3, by weight with 61.5 parts in PC powder (20.5 parts of ML5221+41 part ML5721), 9 parts of ABS (C 29292), 10 parts in weighting material (2000 order active talcum powder), 5 parts of toughner (S2001), dispersion agent (PE wax) 1.5%, 0.4 part of anti-dripping agent, 0.3 part in oxidation inhibitor (50%1076+50%AO-168), 0.3 part of lubricant (PETS), (7042) 2 parts of ductility activators, in stirrer low speed mixing 4 minutes again high-speed mixing after 5.5 minutes the hopper from twin screw extruder add, fire retardant (BDP) is annotated mouth at the forcing machine SECTOR-SEVEN for 12 parts and is pumped into, and is that 150--270 ℃ of twin screw extruder extruded granulation through melt temperature.Preparation technology is with embodiment 1.
Embodiment 4, by weight with 59.5 parts in PC powder (20.5 parts of ML5221+39 part ML5721), 9 parts of ABS (C 29292), 12 parts in weighting material (2000 order active talcum powder), 5 parts of toughner (S2001), dispersion agent (PE wax) 1.5%, 0.4 part of anti-dripping agent, 0.3 part in oxidation inhibitor (50%1076+50%AO-168), 0.3 part of lubricant (PETS), (7042) 2 parts of ductility activators, in stirrer low speed mixing 4 minutes again high-speed mixing after 5.5 minutes the hopper from twin screw extruder add, fire retardant (BDP) is annotated mouth at the forcing machine SECTOR-SEVEN for 12 parts and is pumped into, and is that 150--270 ℃ of twin screw extruder extruded granulation through melt temperature.Preparation technology is with embodiment 1.
Embodiment 5, by weight with 57.5 parts in PC powder (25.5 parts of ML5221+32 part ML5721), 9 parts of ABS (C 29292), 14 parts in weighting material (2000 order active talcum powder), 5 parts of toughner (S2001), dispersion agent (PE wax) 1.5%, 0.4 part of anti-dripping agent, 0.3 part in oxidation inhibitor (50%1076+50%AO-168), 0.3 part of lubricant (PETS), (7042) 2 parts of ductility activators, in stirrer low speed mixing 4 minutes again high-speed mixing after 5.5 minutes the hopper from twin screw extruder add, fire retardant (BDP) is annotated mouth at the forcing machine SECTOR-SEVEN for 12 parts and is pumped into, and is that 150--270 ℃ of twin screw extruder extruded granulation through melt temperature.Preparation technology is with embodiment 1.
Embodiment 6, by weight with 55.5 parts in PC powder (24.5 parts of ML5221+31 part ML5721), 9 parts of ABS (C 29292), 16 parts in weighting material (2000 order active talcum powder), 5 parts of toughner (S2001), dispersion agent (PE wax) 1.5%, 0.4 part of anti-dripping agent, 0.3 part in oxidation inhibitor (50%1076+50%AO-168), 0.3 part of lubricant (PETS), (7042) 2 parts of ductility activators, in stirrer low speed mixing 4 minutes again high-speed mixing after 5.5 minutes the hopper from twin screw extruder add, fire retardant (BDP) is annotated mouth at the forcing machine SECTOR-SEVEN for 12 parts and is pumped into, through melt temperature is that 150--270 ℃ of twin screw extruder extruded granulation.Preparation technology is with embodiment 1.
Embodiment 7, by weight with 53.5 parts in PC powder (24.5 parts of ML5221+25.5 part ML5721), 9 parts of ABS (C 29292), 20 parts in weighting material (2000 order active talcum powder), 5 parts of toughner (S2001), dispersion agent (PE wax) 1.5%, 0.4 part of anti-dripping agent, 0.3 part in oxidation inhibitor (50%1076+50%AO-168), 0.3 part of lubricant (PETS), (7042) 2 parts of ductility activators, in stirrer low speed mixing 4 minutes again high-speed mixing after 5.5 minutes the hopper from twin screw extruder add, fire retardant (BDP) is annotated mouth at the forcing machine SECTOR-SEVEN for 12 parts and is pumped into, through melt temperature is that 150--270 ℃ of twin screw extruder extruded granulation.Preparation technology is with embodiment 1.
Performance evaluation mode and implementation standard
With the particle of finishing granulation in the foregoing description 1~9 in 80--100 ℃ convection oven dry 4~6 hours,, keep the mould temperature in the sample making course between 30~80 ℃ again with the injection moulding sample preparation on the 100T injection moulding machine of exsiccant particle.
Melting index is test by ISO1133,260 ℃/5KG.Tensile strength is tested by the GB/T1040 standard.Specimen types is the I type, batten size (mm): 170 (length) * (20 ± 0.2) (end width) * (4 ± 0.2) (thickness), and draw speed is 50mm/min; Flexural strength and modulus in flexure are tested by GB 9341/T standard.Specimen types is specimen size (mm): (80 ± 2) * (10 ± 0.2) * (4 ± 0.2), rate of bending are 20mm/mi n; Notched Izod impact strength is tested by GB/T 1043 standards.Specimen types is the I type, specimen size (mm): (80 ± 2) * (10 ± 0.2) * (4 ± 0.2); The breach type is a category-A, and the breach residual thickness is 3.2mm; Heat-drawn wire is tested by GB/T 1634.2 standards, and load is 100mm for the 1.80MPa. span.The flame retardant properties testing method is the UL94 standard, 1/16 batten, 1.6mm.
Embodiment 1-7 raw material weight umber and the composite property table of making
From embodiment 1 to embodiment 7 as can be seen, the increase of weighting material content, the dimensional contraction rate of material reduces thereupon, in the present invention, weighting material content increases, the dimensional contraction rate of material reduces thereupon, weighting material content reaches at 16% o'clock, and the comprehensive physicals of material is best, and material is no buckling deformation phenomenon in the punching press of IMD injection moulding secondary, weighting material content is lower than at 12% o'clock, buckling deformation phenomenon in various degree appears, greater than 18% o'clock, and the mobile variation of material, processing difficulties, and flame retardant resistance descends.

Claims (3)

1. IMD injection molding PC/ABS matrix material is characterized in that, is made up of following component by weight:
Described ABS is an acrylonitrile-butadiene-styrene terpolymer, described weighting material is an active talcum powder, water content is less than 0.2%, described toughner is the silicon class toughner of nucleocapsid class, described fire retardant is tetraphenyl (bisphenol-A) bisphosphate, described anti-dripping agent is the tetrafluoroethylene of the modification of tensio-active agent coating, described tensio-active agent is the compound of octyl group-phenoxy group polyethoxyethanols and Nonylphenoxy polyethoxyethanols, and described oxidation inhibitor is that suffocated amine antioxidant and organic phosphite are composite; Described lubricant is pentaerythritol stearate or N, N '-ethylene bis stearamide, and described ductility activator is a linear low density of polyethylene, described dispersion agent is the hydrocarbon compound of saturated low carbon chain.
2. IMD injection molding PC according to claim 1/ABS matrix material, it is characterized in that, described polycarbonate is the straight chain polycarbonate of melting index 8~15g/10min or the side chain polycarbonate of melting index 15~25g/10min, or both mixtures, and transmittance is greater than 88%.
3. the preparation method of the described IMD injection molding PC of claim 1/ABS matrix material is characterized in that, may further comprise the steps:
(1) component by claim 1 takes by weighing polycarbonate, ABS, weighting material, toughner, fire retardant, oxidation inhibitor, lubricant, anti-dripping agent, dispersion agent, ductility activator;
(2) with the polycarbonate that takes by weighing, ABS, weighting material, toughner, anti-dripping agent, oxidation inhibitor, lubricant, dispersion agent, ductility activator in moderate-speed mixers low speed mixing 3-5 minute, high-speed mixing 5-6 minute again;
(3) raw material that step (2) is mixed adds from the hopper of twin screw extruder, and fire retardant pumps into from the forcing machine downstream area by pump, melt extrudes granulation through twin screw extruder; The twin screw extruder processing condition are: twin screw extruder one district temperature 140-160 ℃, two district temperature 240-260 ℃, three district temperature 240-260 ℃, four district temperature 240-260 ℃, five district temperature 240-260 ℃, six district temperature 240-260 ℃ seven district temperature 240-260 ℃, eight district temperature 240-260 ℃, die head temperature is 260-280 ℃, and compound time of delivery in screw rod is 1~2 minute.
CN2010101581117A 2010-04-21 2010-04-21 IMD (In-Mole Decoration) injection molding PC/ABS (Polycarbonate/Acrylonitrile Butadiene Styrene) composite material and preparation method Expired - Fee Related CN101831164B (en)

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Pledgor: Anhui science and Technology Co., Ltd.|Shenzhen branch poly new materials Co., Ltd.|Xu Dong

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Denomination of invention: IMD injection molding PC/ABS composite material and preparation method thereof

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Registration number: 2018440020071

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Granted publication date: 20111207

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