CN102719072B - Glass fiber reinforced polycarbonate resin with high impact strength and preparation method of resin - Google Patents
Glass fiber reinforced polycarbonate resin with high impact strength and preparation method of resin Download PDFInfo
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Abstract
The invention relates to a glass fiber reinforced polycarbonate resin with high impact strength. The glass fiber reinforced polycarbonate resin mainly comprises the following raw materials in parts by weight: 70 to 90 parts of polycarbonate, 0.1 to 2 part(s) of toughening agent, 10 to 30 parts of glass fiber, and 0 to 2 parts of assistant, wherein the toughening agent is a styrene-acrylonitrile-glycidyl methacrylate copolymer. The glass fiber reinforced polycarbonate resin has the advantages that the styrene-acrylonitrile-glycidyl methacrylate copolymer is added for toughening the resin; the toughening agent is mainly characterized by extremely low molecular weight, and extremely low content of glycidyl methacrylate; and when the toughening agent is added into a reinforced polycarbonate system, strong repulsion does not generate among molecules, and further, stress concentration is avoided, so that the compatibility of the glass fiber and the polycarbonate is improved, and the impact strength is improved.
Description
Technical field
The present invention relates to polymeric material field, specifically, is a kind of glass fiber-reinforced polycarbonate resin with high impact and preparation method thereof.
Background technology
Polycarbonate (PC) is amorphism engineering plastics, has excellent resistance to impact shock, thermally-stabilised, glossiness, anti-bacteria characteristic, flame-retarding characteristic and resistance to crocking.Glass fiber-reinforced polycarbonate improves mechanical property and the rigidity of polycarbonate, and linear expansivity greatly reduces, and dimensional stability improves greatly, and molding shrinkage significantly reduces, and overcomes the defect of polycarbonate not stress crack resistant and fatigue strength simultaneously.For the load part in the die casting such as substitution of Al, zinc field and the high goods of dimensional requirement.Machinery, instrument can be widely used in, electrically, in the Industrial products such as telecommunication, such as, manufacture electric power tool shell, robot calculator part, airplane parts, cosmonaut's helmet, attachments of a bicycle and other are to rigidity, dimensional stabilizing, the shock-resistant component had higher requirements.
Glass fiber-reinforced polycarbonate resin is except having good rigidity, and it also has certain requirement to toughness.Find according to research, shock strength is the crisp tough point of inversion of glass fiber-reinforced polycarbonate resin at 120J/M.But the product on market impacts mostly at 80-110J/M, this is because the non-constant of the wetting property of PC to glass, both interface interaction power are weak, can not be well compatible, so the toughness reinforcing difficulty of glass fiber reinforced polycarbonate material is very large.
Words with regard to improving the toughness of glass fiber-reinforced polycarbonate resin, traditional view is PC is stiff molecule chain, Intermolecular Forces is larger, after adding response type toughner, stress concentration can be caused, thus many tendencies add the toughner of some nonreactive activities, as butyl acrylate-methyl ester copolymer, butadiene-styrene-methylmethacrylate copolymer etc.Toughness reinforcing like this, for physics is toughness reinforcing, limited efficiency.
Chinese patent literature CN101875772B discloses a kind of glass fiber reinforced PC composite material and preparation method thereof, composed of the following components by weight percentage: polycarbonate 45-61%, saturated polyester 5-20%, toughner 3-4%, thermo-stabilizer 0.1-0.3%, lubricant 0.7-1.1%, glass fibre 25-35%, described toughner is the grafting POE of ethylene-methyl acrylate and maleic anhydride.Chinese patent literature CN101134839B discloses a kind of flame-proof glass fibre reinforced polycarbonate material and preparation method thereof, by the starting material of following weight per-cent formulated (%): polycarbonate 10-80, polycarbonate/catalyzer 8-40, bromide fire retardant 2-10, toughner 4-10, oxidation inhibitor 0.1-1, lubricant 0.1-5, glass 5-30, described catalyzer is alkaline small material, and described toughner is the core-shell copolymerized thing of esters of acrylic acid.Chinese patent literature CN101875768A discloses a kind of antiaging glass fiber-reinforced polycarbonate composition and preparation method thereof, be made up of the component of following weight parts: polycarbonate resin 20-70%, acrylonitrile-butadiene-styrene copolymer 10-35%, polycthylene grafted thing 5-40%, fiberglass reinforced agent 10-30%, coupling agent 0.3-0.5%, lubricant 0.5-3%, oxidation inhibitor 0.1-1.0%, there is product surface without floating fibre, glossiness is good, excellent mechanical property, dimensional stability and thermotolerance, and resistance to boiling water aging performance there has also been very large raising.But yet there are no report about a kind of glass fiber-reinforced polycarbonate resin with high impact.
Summary of the invention
The object of the invention is for deficiency of the prior art, a kind of glass fiber-reinforced polycarbonate resin with high impact is provided.
Of the present invention again one object be that a kind of preparation method with the glass fiber-reinforced polycarbonate resin of high impact is provided.
For achieving the above object, the technical scheme that the present invention takes is: a kind of glass fiber-reinforced polycarbonate resin with high impact, and described glass fiber-reinforced polycarbonate resin mainly comprises the feed composition of following weight part:
Polycarbonate 70-90,
Toughner 0.1-2,
Glass 10-30,
Auxiliary agent 0-2,
Described toughner is styrene-acrylonitrile-glycidyl methacrylate copolymer.
Described styrene-acrylonitrile-glycidyl methacrylate copolymer, weight-average molecular weight is 3-5 ten thousand, and glycidyl methacrylate content is 0.5%-2%.
Described polycarbonate weight-average molecular weight is 18000-25000, can be aliphatics or aromatic series.
Described polycarbonate is aromatic series.
Described polycarbonate is bisphenol A polycarbonate, adopts phosgenation or ester-interchange method to produce.
Described glass is the staple fibre of diameter 8-12um, length 3-6mm.
Described auxiliary agent is selected from least one in oxidation inhibitor, internal lubricant, releasing agent, static inhibitor, stablizer, dyestuff and pigment.
For realizing above-mentioned second object, the technical scheme that the present invention takes is: the preparation method of described glass fiber-reinforced polycarbonate resin, and described preparation method comprises the following steps:
(1) described raw material is taken according to weight ratio;
(2) polycarbonate, toughner and auxiliary agent are mixed 20min in moderate-speed mixers;
(3) the above-mentioned raw material mixed is thrown in twin screw extruder, glass side feeds, through melt extruding, granulation.
Described twin screw extruder comprises ten temperature controlled region, the temperature in described temperature control 1-2 district is 200-280 DEG C, and the temperature in temperature control 3-4 district is 200-280 DEG C, and the temperature in temperature control 5-6 district is 200-280 DEG C, the temperature in temperature control 7-8 district is 200-280 DEG C, and the temperature in temperature control 9-10 district is 200-280 DEG C.
Described twin screw extruder has two to vacuumize place, and wherein a place is positioned at the end of material conveying section, the starting end of melt zone, and another place's vaccum-pumping equipment is positioned at metering zone.
The invention has the advantages that:
Glass fiber-reinforced polycarbonate resin of the present invention, come toughness reinforcing by adding styrene-acrylonitrile-glycidyl methacrylate copolymer, wherein toughner principal character is extremely low molecular weight and extremely low glycidyl methacrylate content, when after the polycarbonate system adding enhancing to, intermolecularly can not produce strong repulsion, also would not cause stress concentration, thus improve glass compatible with polycarbonate while improve shock strength.
Embodiment
Below in conjunction with embodiment, embodiment provided by the invention is elaborated.
Have a glass fiber-reinforced polycarbonate resin for high impact, described glass fiber-reinforced polycarbonate resin mainly comprises the feed composition of following weight part:
Polycarbonate 70-90,
Toughner 0.1-2,
Glass 10-30,
Auxiliary agent 0-2.
It should be noted that, described polycarbonate (PC) weight-average molecular weight is 18000-25000, can be aliphatics or aromatic series, optimization aromatic, especially preferably bisphenol A polycarbonate, and phosgenation or ester-interchange method are produced all passable.Described toughner is styrene-acrylonitrile-glycidyl methacrylate copolymer (SAG), and weight-average molecular weight is 3-5 ten thousand, and glycidyl methacrylate (GMA) content is 0.5%-2%.Described glass diameter is 8-12um, length is the staple fibre of 3-6mm.Described auxiliary agent is selected from least one in oxidation inhibitor, internal lubricant, releasing agent, static inhibitor, stablizer, dyestuff and pigment.
The preparation method of above-mentioned glass fiber-reinforced polycarbonate resin, comprises the following steps:
(1) described raw material is taken according to weight ratio;
(2) by PC, toughner and auxiliary agent mix 20min in moderate-speed mixers;
(3) the above-mentioned raw material mixed is thrown in twin screw extruder, glass side feeds, through melt extruding, granulation.
It should be noted that, described twin screw extruder comprises ten temperature controlled region, the temperature in described temperature control 1-2 district is 200-280 DEG C, the temperature in temperature control 3-4 district is 200-280 DEG C, the temperature in temperature control 5-6 district is 200-280 DEG C, the temperature in temperature control 7-8 district is 200-280 DEG C, and the temperature in temperature control 9-10 district is 200-280 DEG C; Described twin screw extruder has two to vacuumize place, and wherein a place is positioned at the end of material conveying section, the starting end of melt zone, and another place's vaccum-pumping equipment is positioned at metering zone.
embodiment 1
PC(aromatic series: bisphenol A polycarbonate) weight-average molecular weight is 18000.
Toughner is styrene-acrylonitrile-glycidyl methacrylate copolymer (SAG), and weight-average molecular weight is 50,000, and glycidyl methacrylate content is 0.5%.
Glass specification is the short fiber of diameter 8um, length 6mm.
Each component taken by weight: PC is 70, toughner is 0.1, and glass is 30; PC and toughner are mixed 20min in moderate-speed mixers; The above-mentioned raw material mixed is thrown in twin screw extruder, glass side feed, the twin screw extruder being 200-280 DEG C through melt temperature is extruded, granulation.Wherein each district temperature is: the temperature in the temperature in twin screw extruder 1-2 district to be the temperature in 200-280 DEG C, 3-4 district be 200-280 DEG C, 5-6 district is 200-280 DEG C, and the temperature in temperature control 7-8 district is 200-280 DEG C, and the temperature in temperature control 9-10 district is 200-280 DEG C.
embodiment 2
Bisphenol A-type PC, weight-average molecular weight is 25000.
Toughner is styrene-acrylonitrile-glycidyl methacrylate copolymer (SAG), and weight-average molecular weight is 30,000, and glycidyl methacrylate content is 1.0%.
Glass specification is the short fiber of diameter 9um, length 5mm.
Each component taken by weight: PC is 75, toughner is 0.5, and glass is 25, oxidation inhibitor 0.7, releasing agent 0.3, dyestuff 1; By PC, toughner and auxiliary agent mix 20min in moderate-speed mixers; The above-mentioned raw material mixed is thrown in twin screw extruder, glass side feed, the twin screw extruder being 200-280 DEG C through melt temperature is extruded, granulation.Wherein each district temperature is: the temperature in the temperature in twin screw extruder 1-2 district to be the temperature in 200-280 DEG C, 3-4 district be 200-280 DEG C, 5-6 district is 200-280 DEG C, and the temperature in temperature control 7-8 district is 200-280 DEG C, and the temperature in temperature control 9-10 district is 200-280 DEG C.
embodiment 3
PC(aliphatics: poly-ethylenecarbonate), weight-average molecular weight is 22000.
Toughner is styrene-acrylonitrile-glycidyl methacrylate copolymer (SAG), and weight-average molecular weight is 40,000, and glycidyl methacrylate content is 1.5%.
Glass specification is the short fiber of diameter 10um, length 4mm.
Each component taken by weight: PC is 80, toughner is 1, and glass is 20, internal lubricant 0.5, static inhibitor 0.7; By PC, toughner and auxiliary agent mix 20min in moderate-speed mixers; The above-mentioned raw material mixed is thrown in twin screw extruder, glass side feed, the twin screw extruder being 200-280 DEG C through melt temperature is extruded, granulation.Wherein each district temperature is: the temperature in the temperature in twin screw extruder 1-2 district to be the temperature in 200-280 DEG C, 3-4 district be 200-280 DEG C, 5-6 district is 200-280 DEG C, and the temperature in temperature control 7-8 district is 200-280 DEG C, and the temperature in temperature control 9-10 district is 200-280 DEG C.
embodiment 4
Bisphenol A-type PC weight-average molecular weight is 21000.
Toughner is styrene-acrylonitrile-glycidyl methacrylate copolymer (SAG), and weight-average molecular weight is 30,000, and glycidyl methacrylate content is 2.0%.
Glass specification is the short fiber of diameter 11um, length 3mm.
Each component taken by weight: PC is 85, toughner is 1.5, and glass is 15, stablizer 0.5, oxidation inhibitor 0.1, internal lubricant 0.3; By PC, toughner and auxiliary agent mix 20min in moderate-speed mixers; The above-mentioned raw material mixed is thrown in twin screw extruder, glass side feed, the twin screw extruder being 200-280 DEG C through melt temperature is extruded, granulation.Wherein each district temperature is: the temperature in the temperature in twin screw extruder 1-2 district to be the temperature in 200-280 DEG C, 3-4 district be 200-280 DEG C, 5-6 district is 200-280 DEG C, and the temperature in temperature control 7-8 district is 200-280 DEG C, and the temperature in temperature control 9-10 district is 200-280 DEG C.
embodiment 5
Bisphenol A-type PC weight-average molecular weight is 20000.
Toughner is styrene-acrylonitrile-glycidyl methacrylate copolymer (SAG), and weight-average molecular weight is 50,000, and glycidyl methacrylate content is 1.0%.
Glass specification is the short fiber of diameter 12um, length 4.5mm.
Each component taken by weight: PC is 90, toughner is 2, and glass is 10, oxidation inhibitor 0.3, internal lubricant 0.2, pigment 0.1; By PC, toughner and auxiliary agent mix 20min in moderate-speed mixers; The above-mentioned raw material mixed is thrown in twin screw extruder, glass side feed, the twin screw extruder being 200-280 DEG C through melt temperature is extruded, granulation.Wherein each district temperature is: the temperature in the temperature in twin screw extruder 1-2 district to be the temperature in 200-280 DEG C, 3-4 district be 200-280 DEG C, 5-6 district is 200-280 DEG C, and the temperature in temperature control 7-8 district is 200-280 DEG C, and the temperature in temperature control 9-10 district is 200-280 DEG C.
It should be noted that, carry out performance test to the glass fiber-reinforced polycarbonate resin material that embodiment 1-5 obtains, test result shows, the impact property of material is significantly improved, and mobility impact is little.
embodiment 6
It should be noted that, the PC trade mark selected in embodiment 6-9 is that PC-300-15, LG Chemical Co., Ltd. produces, and weight-average molecular weight is 23000.
The toughner trade mark is SAG-001, and Shanghai Kumbosunny Plastics CO.,LTD produces, and structure is styrene-acrylonitrile-glycidyl methacrylate copolymer, and weight-average molecular weight is 30,000, and glycidyl methacrylate content is 1.0%.
The glass trade mark is that 3786, PPG company produces, and specification is the short fiber of diameter 10um, length 4.5mm.
Each component taken by weight: PC-300-15 is 89, toughner SAG-001 is 1, and glass 3786 is 10, primary antioxidant 1,010 0.1, auxiliary anti-oxidant 168 0.2, internal lubricant PETS 0.2; By PC, toughner and auxiliary agent mix 20min in moderate-speed mixers; The above-mentioned raw material mixed is thrown in twin screw extruder, glass side feed, the twin screw extruder being 200-280 DEG C through melt temperature is extruded, granulation.Wherein each district temperature is: the temperature in the temperature in twin screw extruder 1-2 district to be the temperature in 200-280 DEG C, 3-4 district be 200-280 DEG C, 5-6 district is 200-280 DEG C, and the temperature in temperature control 7-8 district is 200-280 DEG C, and the temperature in temperature control 9-10 district is 200-280 DEG C.
embodiment 7
Each component taken by weight: PC-300-15 is 88, toughner SAG-001 is 2, and glass 3786 is 10, primary antioxidant 1,010 0.1, auxiliary anti-oxidant 168 0.2, internal lubricant PETS 0.2; By PC, toughner and auxiliary agent mix 20min in moderate-speed mixers; The above-mentioned raw material mixed is thrown in twin screw extruder, glass side feed, the twin screw extruder being 200-280 DEG C through melt temperature is extruded, granulation.Wherein each district temperature is: the temperature in the temperature in twin screw extruder 1-2 district to be the temperature in 200-280 DEG C, 3-4 district be 200-280 DEG C, 5-6 district is 200-280 DEG C, and the temperature in temperature control 7-8 district is 200-280 DEG C, and the temperature in temperature control 9-10 district is 200-280 DEG C.
embodiment 8
Each component taken by weight: PC-300-15 is 90, toughner SAG-001 is 2, and glass 3786 is 10, primary antioxidant 1,010 0.1, auxiliary anti-oxidant 168 0.2, internal lubricant PETS 0.2; By PC, toughner and auxiliary agent mix 20min in moderate-speed mixers; The above-mentioned raw material mixed is thrown in twin screw extruder, glass side feed, the twin screw extruder being 200-280 DEG C through melt temperature is extruded, granulation.Wherein each district temperature is: the temperature in the temperature in twin screw extruder 1-2 district to be the temperature in 200-280 DEG C, 3-4 district be 200-280 DEG C, 5-6 district is 200-280 DEG C, and the temperature in temperature control 7-8 district is 200-280 DEG C, and the temperature in temperature control 9-10 district is 200-280 DEG C.
Comparative example 1:
Each component taken by weight: PC-300-15 is 90, glass 3786 is 10, primary antioxidant 1,010 0.1, auxiliary anti-oxidant 168 0.2, internal lubricant PETS 0.2; PC and auxiliary agent are mixed 20min in moderate-speed mixers; The above-mentioned raw material mixed is thrown in twin screw extruder, glass side feed, the twin screw extruder being 200-280 DEG C through melt temperature is extruded, granulation.Wherein each district temperature is: the temperature in the temperature in twin screw extruder 1-2 district to be the temperature in 200-280 DEG C, 3-4 district be 200-280 DEG C, 5-6 district is 200-280 DEG C, and the temperature in temperature control 7-8 district is 200-280 DEG C, and the temperature in temperature control 9-10 district is 200-280 DEG C.
embodiment 9
Each component taken by weight: PC-300-15 is 70, toughner SAG-001 is 2, and glass 3786 is 30, primary antioxidant 1,010 0.1, auxiliary anti-oxidant 168 0.2, internal lubricant PETS 0.2; By PC, toughner and auxiliary agent mix 20min in moderate-speed mixers; The above-mentioned raw material mixed is thrown in twin screw extruder, glass side feed, the twin screw extruder being 200-280 DEG C through melt temperature is extruded, granulation.Wherein each district temperature is: the temperature in the temperature in twin screw extruder 1-2 district to be the temperature in 200-280 DEG C, 3-4 district be 200-280 DEG C, 5-6 district is 200-280 DEG C, and the temperature in temperature control 7-8 district is 200-280 DEG C, and the temperature in temperature control 9-10 district is 200-280 DEG C.
Comparative example 2:
Each component taken by weight: PC-300-15 is 70, glass 3786 is 30, primary antioxidant 1,010 0.1, auxiliary anti-oxidant 168 0.2, internal lubricant PETS 0.2; PC and auxiliary agent are mixed 20min in moderate-speed mixers; The above-mentioned raw material mixed is thrown in twin screw extruder, glass side feed, the twin screw extruder being 200-280 DEG C through melt temperature is extruded, granulation.Wherein each district temperature is: the temperature in the temperature in twin screw extruder 1-2 district to be the temperature in 200-280 DEG C, 3-4 district be 200-280 DEG C, 5-6 district is 200-280 DEG C, and the temperature in temperature control 7-8 district is 200-280 DEG C, and the temperature in temperature control 9-10 district is 200-280 DEG C.
The each component of table 1 embodiment 6-9 and comparative example 1-2 and weight part ratio thereof
embodiment 10
Six of embodiment 6-9 and comparative example 1-2 formulas are pressed ASTM standard, injection temperature are 310 DEG C, at mould temperature 120 DEG C, be injection molded into batten, test result is as following table 2:
The test result of table 2 embodiment 6-9 and comparative example 1-2
Remarks: Elongation test condition is 5mm/min, crooked test condition is 1.3mm/min, and melting index test condition is 300 DEG C of * 1.2Kg.
As can be seen from experimental result, with regard to glass fiber-reinforced polycarbonate resin, after with the addition of SAG-001, the rigidity of material increases slightly, and impact property significantly improves, and mobility impact is little.
Glass fiber-reinforced polycarbonate resin of the present invention, come toughness reinforcing by adding styrene-acrylonitrile-glycidyl methacrylate copolymer, wherein toughner principal character is extremely low molecular weight and extremely low glycidyl methacrylate content, when after the polycarbonate system adding enhancing to, intermolecularly can not produce strong repulsion, also would not cause stress concentration, thus improve glass compatible with polycarbonate while improve shock strength.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the inventive method; can also make some improvement and supplement, these improve and supplement and also should be considered as protection scope of the present invention.
Claims (4)
1. one kind has the glass fiber-reinforced polycarbonate resin of high impact, it is characterized in that, described glass fiber-reinforced polycarbonate resin is prepared by the raw material of following weight part and method: each component taken by weight: PC-300-15 is 89, toughner SAG-001 is 1, glass 3786 is 10, primary antioxidant 1,010 0.1, auxiliary anti-oxidant 168 0.2, internal lubricant PETS 0.2; By PC, toughner and auxiliary agent mix 20min in moderate-speed mixers; The above-mentioned raw material mixed is thrown in twin screw extruder, glass side feed, the twin screw extruder being 200-280 DEG C through melt temperature is extruded, granulation; Wherein each district temperature is: the temperature in the temperature in twin screw extruder 1-2 district to be the temperature in 200-280 DEG C, 3-4 district be 200-280 DEG C, 5-6 district is 200-280 DEG C, and the temperature in temperature control 7-8 district is 200-280 DEG C, and the temperature in temperature control 9-10 district is 200-280 DEG C; The PC trade mark is that PC-300-15, LG Chemical Co., Ltd. produces, and weight-average molecular weight is 23000; The toughner trade mark is SAG-001, and Shanghai Kumbosunny Plastics CO.,LTD produces, and structure is styrene-acrylonitrile-glycidyl methacrylate copolymer, and weight-average molecular weight is 30,000, and glycidyl methacrylate content is 1.0%; The glass trade mark is that 3786, PPG company produces, and specification is the short fiber of diameter 10um, length 4.5mm.
2. one kind has the glass fiber-reinforced polycarbonate resin of high impact, it is characterized in that, described glass fiber-reinforced polycarbonate resin is prepared by the raw material of following weight part and method: each component taken by weight: PC-300-15 is 88, toughner SAG-001 is 2, glass 3786 is 10, primary antioxidant 1,010 0.1, auxiliary anti-oxidant 168 0.2, internal lubricant PETS 0.2; By PC, toughner and auxiliary agent mix 20min in moderate-speed mixers; The above-mentioned raw material mixed is thrown in twin screw extruder, glass side feed, the twin screw extruder being 200-280 DEG C through melt temperature is extruded, granulation; Wherein each district temperature is: the temperature in the temperature in twin screw extruder 1-2 district to be the temperature in 200-280 DEG C, 3-4 district be 200-280 DEG C, 5-6 district is 200-280 DEG C, and the temperature in temperature control 7-8 district is 200-280 DEG C, and the temperature in temperature control 9-10 district is 200-280 DEG C; The PC trade mark is that PC-300-15, LG Chemical Co., Ltd. produces, and weight-average molecular weight is 23000; The toughner trade mark is SAG-001, and Shanghai Kumbosunny Plastics CO.,LTD produces, and structure is styrene-acrylonitrile-glycidyl methacrylate copolymer, and weight-average molecular weight is 30,000, and glycidyl methacrylate content is 1.0%; The glass trade mark is that 3786, PPG company produces, and specification is the short fiber of diameter 10um, length 4.5mm.
3. one kind has the glass fiber-reinforced polycarbonate resin of high impact, it is characterized in that, described glass fiber-reinforced polycarbonate resin is prepared by the raw material of following weight part and method: each component taken by weight: PC-300-15 is 90, toughner SAG-001 is 2, glass 3786 is 10, primary antioxidant 1,010 0.1, auxiliary anti-oxidant 168 0.2, internal lubricant PETS 0.2; By PC, toughner and auxiliary agent mix 20min in moderate-speed mixers; The above-mentioned raw material mixed is thrown in twin screw extruder, glass side feed, the twin screw extruder being 200-280 DEG C through melt temperature is extruded, granulation; Wherein each district temperature is: the temperature in the temperature in twin screw extruder 1-2 district to be the temperature in 200-280 DEG C, 3-4 district be 200-280 DEG C, 5-6 district is 200-280 DEG C, and the temperature in temperature control 7-8 district is 200-280 DEG C, and the temperature in temperature control 9-10 district is 200-280 DEG C; The PC trade mark is that PC-300-15, LG Chemical Co., Ltd. produces, and weight-average molecular weight is 23000; The toughner trade mark is SAG-001, and Shanghai Kumbosunny Plastics CO.,LTD produces, and structure is styrene-acrylonitrile-glycidyl methacrylate copolymer, and weight-average molecular weight is 30,000, and glycidyl methacrylate content is 1.0%; The glass trade mark is that 3786, PPG company produces, and specification is the short fiber of diameter 10um, length 4.5mm.
4. one kind has the glass fiber-reinforced polycarbonate resin of high impact, it is characterized in that, described glass fiber-reinforced polycarbonate resin is prepared by the raw material of following weight part and method: each component taken by weight: PC-300-15 is 70, toughner SAG-001 is 2, glass 3786 is 30, primary antioxidant 1,010 0.1, auxiliary anti-oxidant 168 0.2, internal lubricant PETS 0.2; By PC, toughner and auxiliary agent mix 20min in moderate-speed mixers; The above-mentioned raw material mixed is thrown in twin screw extruder, glass side feed, the twin screw extruder being 200-280 DEG C through melt temperature is extruded, granulation; Wherein each district temperature is: the temperature in the temperature in twin screw extruder 1-2 district to be the temperature in 200-280 DEG C, 3-4 district be 200-280 DEG C, 5-6 district is 200-280 DEG C, and the temperature in temperature control 7-8 district is 200-280 DEG C, and the temperature in temperature control 9-10 district is 200-280 DEG C; The PC trade mark is that PC-300-15, LG Chemical Co., Ltd. produces, and weight-average molecular weight is 23000; The toughner trade mark is SAG-001, and Shanghai Kumbosunny Plastics CO.,LTD produces, and structure is styrene-acrylonitrile-glycidyl methacrylate copolymer, and weight-average molecular weight is 30,000, and glycidyl methacrylate content is 1.0%; The glass trade mark is that 3786, PPG company produces, and specification is the short fiber of diameter 10um, length 4.5mm.
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| CN102516734A (en) * | 2011-12-09 | 2012-06-27 | 上海锦湖日丽塑料有限公司 | PC/ABS halogen-free flame-retardant alloy with high surface impact strength and preparation method thereof |
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