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 PDFInfo
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- 239000000956 alloy Substances 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000011347 resin Substances 0.000 claims abstract description 25
- 229920005989 resin Polymers 0.000 claims abstract description 25
- 239000003112 inhibitor Substances 0.000 claims abstract description 16
- 230000002401 inhibitory effect Effects 0.000 claims abstract description 16
- 230000003647 oxidation Effects 0.000 claims abstract description 16
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 16
- 239000003607 modifier Substances 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 11
- 150000003097 polyterpenes Polymers 0.000 claims abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- FPYJFEHAWHCUMM-UHFFFAOYSA-N Maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229920000147 Styrene maleic anhydride Polymers 0.000 claims abstract description 5
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 229920000122 Acrylonitrile butadiene styrene Polymers 0.000 claims description 35
- 239000004417 polycarbonate Substances 0.000 claims description 33
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 claims description 32
- -1 polysiloxane Polymers 0.000 claims description 14
- XECAHXYUAAWDEL-UHFFFAOYSA-N Acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 claims description 12
- 230000003078 antioxidant Effects 0.000 claims description 11
- 239000003963 antioxidant agent Substances 0.000 claims description 11
- 150000002148 esters Chemical class 0.000 claims description 10
- 238000005453 pelletization Methods 0.000 claims description 9
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 claims description 7
- VVQNEPGJFQJSBK-UHFFFAOYSA-N 2-methyl-2-propenoic acid methyl ester Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 5
- 229920000515 polycarbonate Polymers 0.000 claims description 5
- WSEFPKKOUNRCAJ-UHFFFAOYSA-N 2,2-bis(hydroxymethyl)propane-1,3-diol;octadecanoic acid Chemical compound OCC(CO)(CO)CO.CCCCCCCCCCCCCCCCCC(O)=O WSEFPKKOUNRCAJ-UHFFFAOYSA-N 0.000 claims description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Natural products OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 4
- KAKZBPTYRLMSJV-UHFFFAOYSA-N butadiene Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 4
- 150000002989 phenols Chemical class 0.000 claims description 4
- 150000008301 phosphite esters Chemical class 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- 125000005591 trimellitate group Chemical group 0.000 claims description 4
- XNGIFLGASWRNHJ-UHFFFAOYSA-N Phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical compound OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 claims description 3
- 239000005060 rubber Substances 0.000 claims description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 3
- NLHHRLWOUZZQLW-UHFFFAOYSA-N acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims description 2
- 229920000578 graft polymer Polymers 0.000 claims description 2
- 239000005062 Polybutadiene Substances 0.000 claims 1
- 229920002857 polybutadiene Polymers 0.000 claims 1
- 238000001746 injection moulding Methods 0.000 abstract description 3
- 239000011159 matrix material Substances 0.000 abstract description 2
- 230000004048 modification Effects 0.000 abstract description 2
- 238000006011 modification reaction Methods 0.000 abstract description 2
- 239000002861 polymer material Substances 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 description 11
- 238000001816 cooling Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 6
- 230000032683 aging Effects 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000006057 Non-nutritive feed additive Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000002180 anti-stress Effects 0.000 description 1
- 229920000402 bisphenol A polycarbonate polymer Polymers 0.000 description 1
- XSXWYGABGYBZRM-UHFFFAOYSA-N carbonic acid;4-[2-(4-hydroxyphenyl)propan-2-yl]phenol Chemical compound OC(O)=O.C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 XSXWYGABGYBZRM-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- KRADHMIOFJQKEZ-UHFFFAOYSA-N tris(2-ethylhexyl) benzene-1,2,4-tricarboxylate Chemical group CCCCC(CC)COC(=O)C1=CC=C(C(=O)OCC(CC)CCCC)C(C(=O)OCC(CC)CCCC)=C1 KRADHMIOFJQKEZ-UHFFFAOYSA-N 0.000 description 1
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
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.
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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 |
| CN110294919A (en) * | 2019-07-26 | 2019-10-01 | 中广核俊尔（上海）新材料有限公司 | One kind exempting from primary coat PC/ABS material and preparation method thereof |
| 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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| JP4326625B2 (en) * | 1999-05-07 | 2009-09-09 | 旭化成ケミカルズ株式会社 | High flow flame retardant resin composition with excellent discoloration resistance in the dark |
| KR100611448B1 (en) * | 1999-12-30 | 2006-08-09 | 제일모직주식회사 | Polycarbonate styrenic resin composition |
| JP5701126B2 (en) * | 2011-03-31 | 2015-04-15 | ユニチカ株式会社 | Resin composition and molded body comprising the resin composition |
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