CN103709710B - PC/ABS alloy material of processing characteristics excellence and preparation method thereof - Google Patents

PC/ABS alloy material of processing characteristics excellence and preparation method thereof Download PDF

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Publication number
CN103709710B
CN103709710B CN201310728183.4A CN201310728183A CN103709710B CN 103709710 B CN103709710 B CN 103709710B CN 201310728183 A CN201310728183 A CN 201310728183A CN 103709710 B CN103709710 B CN 103709710B
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abs
processing
excellence
resin
parts
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CN103709710A (en
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刘机关
金海木
牛茂平
赵宁
杨丽芳
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QINGDAO RICH PLASTIC NEW MATERIAL CO Ltd
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QINGDAO RICH PLASTIC NEW MATERIAL CO Ltd
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Abstract

The invention belongs to field of high polymer material modification, be specifically related to PC/ABS alloy material of a kind of processing characteristics excellence and preparation method thereof, with PC, ABS for matrix resin raw material, take MBS as toughner, with SMA and/or maleic anhydride grafted ABS (MAH-g-ABS) for compatilizer, with MS resin and/or polyterpene resin for flow modifier resin, and be aided with a small amount of oxidation inhibitor and flow modifier auxiliary agent.The PC/ABS alloy material that the present invention obtains, this material has excellent processing characteristics, and there is the advantages such as intensity is high, good toughness, household electrical appliances, office appliance, the field such as electric can be applied in, be specially adapted to the various baroque product of injection moulding and large thin-wall goods.

Description

PC/ABS alloy material of processing characteristics excellence and preparation method thereof
Technical field
The invention belongs to field of high polymer material modification, be specifically related to PC/ABS alloy material of a kind of processing characteristics excellence and preparation method thereof.
Background technology
PC is a kind of engineering plastics of excellent performance, has excellent glossiness, transmittance and ageing-resistant performance, and has higher tensile strength, flexural strength, modulus in flexure, shock strength.But PC also has not alkaline-resisting, poor fluidity, machine-shaping difficulty, goods are to shortcomings such as notch sensitive, and this makes PC be restricted in actual applications.PC/ABS alloy material combines the advantage of PC and ABS, has a wide range of applications at electronics, appliance field, as: as the case material of mobile phone, computer, charger.
But, PC/ABS alloy material common is at present generally based on PC, ABS material, research focuses mostly on and is improving intensity and the toughness of material, and resulting materials mobility is poor, poor processability, the patent of invention being CN1605600A as publication number discloses " a kind of high performance polycarbonate/ABS composition ", comprise: polycarbonate 20 ~ 90 parts, ABS72 ~ 8 part, compatilizer 8 ~ 2 parts, 0.4 ~ 0.2 part, oxidation inhibitor, lubricant 0.3 ~ 0.1 part.Publication number is that the patent of invention of CN103333483A discloses " a kind of PC-ABS resin alloy of improvement ", comprises polycarbonate 60 parts, acrylonitrile-styrene-divinyl 25 parts, toughner 1 ~ 20 part, anti-stress cracking agent 1 ~ 10 part, 0.1 ~ 5 part, oxidation inhibitor, flowing agent 0.1 ~ 5 part.
Existing PC/ABS alloy material is all by adding a small amount of toughner and processing aid, its mechanical strength is enable to meet service requirements, but processing characteristics is very poor, at the product that some structures of production injection moulding are comparatively complicated, and during large thin-wall goods, easily there is the situation that moulding is discontented.
Summary of the invention
The present invention is directed to existing deficiency in the art, a kind of high strength of processing characteristics excellence, high tenacity PC/ABS alloy material and preparation method thereof are provided.
Technical scheme of the present invention is:
A PC/ABS alloy material for processing characteristics excellence, the weight part of each component of described alloy material is: PC40 ~ 80 part, ABS10 ~ 40 part, toughner 5 ~ 15 parts, compatilizer 2 ~ 10 parts, flow modifier resin 2 ~ 15 parts, flow modifier auxiliary agent 0.2 ~ 1 part, 0.2 ~ 1 part, oxidation inhibitor;
Wherein, PC is the abbreviation of polycarbonate;
The chemical name of ABS plastic is acrylonitrile-butadiene-styrene copolymer, is called for short ABS.
Described flow modifier resin is the mixture of MS resin and/or polyterpene resin;
Described flow modifier auxiliary agent is one or more in pentaerythritol stearate, polysiloxane, tri trimellitate (2-ethyl) own ester, Pyromellitic Acid four (2-ethyl) own ester, two (2-ethyl) the own ester of phthalic acid;
Described toughner is divinyl rubber and methyl methacrylate, cinnamic graft copolymer MBS, and it has " nucleocapsid structure ", is " core " with divinyl rubber, is " shell " with methyl methacrylate, vinylbenzene.
Preferably, described PC is the bisphenol A polycarbonate that melting index is greater than 5.
Preferably, described ABS, wherein the content of vinylbenzene and vinyl cyanide two kinds of components adds up to 82-88 weight part, and butadiene content is 12 ~ 18 weight parts.
Preferably, described MS resin is methyl methacrylate and cinnamic segmented copolymer; Described polyterpene resin molecular formula is (C 10h 16) n, weight-average molecular weight 650-1250.
Preferably, described compatilizer is SMA and/or maleic anhydride grafted ABS.
Preferably, described oxidation inhibitor is Hinered phenols antioxidant and/or phosphite ester kind antioxidant.
Preferably, described Hinered phenols antioxidant is the one in antioxidant 1010, antioxidant 1076; Described phosphite ester kind antioxidant is the one in irgasfos 168, oxidation inhibitor 245.
Formula of the present invention is for matrix resin raw material with PC, ABS, take MBS as toughner, with SMA and/or maleic anhydride grafted ABS (MAH-g-ABS) for compatilizer, with MS resin and/or polyterpene resin for flow modifier resin, and be aided with a small amount of oxidation inhibitor and flow modifier auxiliary agent.
By adding MBS, the toughness of material is significantly improved; The consistency of PC and ABS is improve by adding SMA and/or maleic anhydride, by the mixture adding MS resin and/or polyterpene resin and pentaerythritol stearate (PETS), polysiloxane, tri trimellitate (2-ethyl) own ester, Pyromellitic Acid four (2-ethyl) own ester (TOPM), phthalic acid two (2-ethyl) own ester (TOTM) form, improve the mobility of material, improving Drawing abillity, by adding oxidation inhibitor, the thermo-oxidative ageing in the course of processing of material being eased.
The invention also discloses the preparation method of the PC/ABS alloy material of above-mentioned processing characteristics excellence,
Concrete steps are as follows:
Step one: by above-mentioned all raw materials according to described weight part, add in high-speed mixer, mix;
Step 2: the material mixed is put in twin screw extruder, the length-to-diameter ratio of described double-screw extruder screw is 32:1 ~ 48:1, processing temperature is 220 DEG C ~ 280 DEG C, screw speed is 200 ~ 600 revs/min, high-speed mixer rotating speed is 100-300 rev/min, mixing time is 2 ~ 10 minutes, through melt extruding, cool, pelletizing, obtain the PC/ABS alloy material of processing characteristics excellence.
The invention has the beneficial effects as follows:
The invention provides PC/ABS alloy material of a kind of processing characteristics excellence and preparation method thereof, by PC, ABS, toughner, compatilizer, flow modifier resin, oxidation inhibitor, lubricant, according to a certain percentage, add in high-speed mixer, mix, then mixing in twin screw extruder, again through cooling, pelletizing, obtain a kind of PC/ABS alloy material of processing characteristics excellence, this material has excellent processing characteristics, and there is the advantages such as intensity is high, good toughness, household electrical appliances, office appliance, the field such as electric can be applied in.Be specially adapted to the various baroque product of injection moulding and large thin-wall goods.
Embodiment
Illustrate the present invention below by embodiment, then carry out performance test.
It should be noted that, embodiment described below is exemplary, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
Embodiment 1
By PC61kg, ABS26kg, MBS5kg, MAH-g-ABS2kg, MS5kg, PETS0.2kg, TOPM0.3kg, antioxidant 1076 0.2kg, oxidation inhibitor 2450.3kg, add in high-speed mixer, setting speed is 200r/min, mix 5 minutes, after mixing, with screw feeder accurate measurement feed, mixing in twin screw extruder, extrude, screw slenderness ratio is 42:1, setting engine speed 400r/min, and forcing machine 1-3 section temperature is 220 DEG C, 3-7 section is 240 DEG C, 8-10 section is 250 DEG C, then after cooling, pelletizing, obtains product.
Embodiment 2
By PC61kg, ABS26kg, MBS5kg, MAH-g-ABS2kg, polyterpene resin 5kg, PETS0.2kg, TOPM0.3kg, antioxidant 1076 0.2kg, oxidation inhibitor 2450.3kg, add in high-speed mixer, setting speed is 200r/min, mix 5 minutes, after mixing, with screw feeder accurate measurement feed, mixing in twin screw extruder, extrude, screw slenderness ratio is 42:1, setting engine speed 400r/min, and forcing machine 1-3 section temperature is 220 DEG C, 3-7 section is 240 DEG C, 8-10 section is 250 DEG C, then after cooling, pelletizing, obtains product.
Embodiment 3
By PC54kg, ABS23kg, MBS10kg, MAH-g-ABS2kg, MS5kg, polyterpene resin 5kg, PETS0.2kg, TOPM0.3kg, antioxidant 1076 0.2kg, oxidation inhibitor 2450.3kg, add in high-speed mixer, setting speed is 200r/min, mix 5 minutes, after mixing, with screw feeder accurate measurement feed, mixing in twin screw extruder, extrude, screw slenderness ratio is 42:1, setting engine speed 400r/min, forcing machine 1-3 section temperature is 210 DEG C, 3-7 section is 230 DEG C, 8-10 section is 240 DEG C, again through cooling, after pelletizing, obtain product.
Comparative example
By PC70kg, ABS29.5kg, antioxidant 1076 0.2kg, oxidation inhibitor 2450.3kg, adds in high-speed mixer, and setting speed is 200r/min, mix 5 minutes, after mixing, with screw feeder accurate measurement feed, mixing in twin screw extruder, extrude, screw slenderness ratio is 42:1, setting engine speed 400r/min, forcing machine 1-3 section temperature is 220 DEG C, and 3-7 section is 240 DEG C, and 8-10 section is 260 DEG C, again after cooling, pelletizing, obtain product.
Table 1
Embodiment 4
By PC48kg, ABS15kg, MBS10kg, MAH-g-ABS3kg, MS8kg, polysiloxane 0.1kg, TOTM0.5kg, irgasfos 168 0.3kg, antioxidant 1010 0.6kg, add in high-speed mixer, setting speed is 200r/min, mix 5 minutes, after mixing, with screw feeder accurate measurement feed, mixing in twin screw extruder, extrude, screw slenderness ratio is 42:1, setting engine speed 400r/min, and forcing machine 1-3 section temperature is 210 DEG C, 3-7 section is 230 DEG C, 8-10 section is 240 DEG C, then after cooling, pelletizing, obtains product.
Embodiment 5
By PC80kg, ABS40kg, MBS15kg, MAH-g-ABS10kg, polyterpene resin 15kg, PETS0.3kg, tri trimellitate (2-ethyl) own ester 0.5kg, antioxidant 1076 0.2kg, irgasfos 168 0.3kg, add in high-speed mixer, setting speed is 200r/min, mix 5 minutes, after mixing, with screw feeder accurate measurement feed, mixing in twin screw extruder, extrude, screw slenderness ratio is 42:1, setting engine speed 400r/min, forcing machine 1-3 section temperature is 220 DEG C, 3-7 section is 230 DEG C, 8-10 section is 240 DEG C, again through cooling, after pelletizing, obtain product.

Claims (6)

1. the PC/ABS alloy material of a processing characteristics excellence, it is characterized in that, the weight part of each component of described alloy material is: polycarbonate: 40 ~ 80 parts, acrylonitrile-butadiene-styrene (ABS) plastics ABS: 10 ~ 40 parts, toughner 5 ~ 15 parts, compatilizer 2 ~ 10 parts, flow modifier resin 2 ~ 15 parts, flow modifier auxiliary agent 0.2 ~ 1 part, 0.2 ~ 1 part, oxidation inhibitor;
Described flow modifier resin is MS resin and/or polyterpene resin; Described polyterpene resin molecular formula is (C 10h 16) n, weight-average molecular weight 650-1250; Described MS is methyl methacrylate and cinnamic segmented copolymer;
Described flow modifier auxiliary agent is one or more in pentaerythritol stearate, polysiloxane, tri trimellitate (2-ethyl) own ester, Pyromellitic Acid four (2-ethyl) own ester, two (2-ethyl) the own ester of phthalic acid;
Described toughner is divinyl rubber and methyl methacrylate, cinnamic graft copolymer MBS.
2. the PC/ABS alloy material of processing characteristics excellence according to claim 1, it is characterized in that: described ABS, wherein the content of vinylbenzene and vinyl cyanide two kinds of components adds up to 82 ~ 88 weight parts, butadiene rubber content is 12 ~ 18 weight parts.
3. the PC/ABS alloy material of processing characteristics excellence according to claim 1, is characterized in that: described compatilizer is SMA and/or maleic anhydride grafted ABS.
4. the PC/ABS alloy material of processing characteristics excellence according to claim 1, is characterized in that: described oxidation inhibitor is Hinered phenols antioxidant and/or phosphite ester kind antioxidant.
5. the PC/ABS alloy material of processing characteristics excellence according to claim 4, is characterized in that: described Hinered phenols antioxidant is the one in antioxidant 1010, antioxidant 1076, oxidation inhibitor 245; Described phosphite ester kind antioxidant is irgasfos 168.
6. a preparation method for the PC/ABS alloy material of the processing characteristics excellence according to any one of Claims 1 to 5, is characterized in that:
Concrete steps are as follows:
Step one: by all raw materials according to described weight part, adds in high-speed mixer, and high-speed mixer rotating speed is 100-200 rev/min, and mixing time is 3 ~ 5 minutes, mixes;
Step 2: the material screw feeder mixed is fed in twin screw extruder, through melt extruding, cool, pelletizing, obtain the PC/ABS alloy material of processing characteristics excellence, the length-to-diameter ratio of described double-screw extruder screw is 36:1 ~ 42:1, processing temperature is 230 DEG C ~ 260 DEG C, and screw speed is 200 ~ 400 revs/min.
CN201310728183.4A 2013-12-25 2013-12-25 PC/ABS alloy material of processing characteristics excellence and preparation method thereof Active CN103709710B (en)

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CN106674962B (en) * 2016-12-21 2019-05-10 上海长伟锦磁工程塑料有限公司 A kind of PC/ABS alloy and preparation method thereof that heat aging performance is excellent
CN111440429B (en) * 2020-04-13 2022-03-29 金发科技股份有限公司 PC/ABS alloy material and preparation method and application thereof

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