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CN102936402A - Low-smoke heat-resistant halogen-free flame-retardant polycarbonate/acrylonitrile-butadiene-styrene resin composition and preparation method thereof - Google Patents

Low-smoke heat-resistant halogen-free flame-retardant polycarbonate/acrylonitrile-butadiene-styrene resin composition and preparation method thereof Download PDF

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Publication number
CN102936402A
CN102936402A CN2011102334427A CN201110233442A CN102936402A CN 102936402 A CN102936402 A CN 102936402A CN 2011102334427 A CN2011102334427 A CN 2011102334427A CN 201110233442 A CN201110233442 A CN 201110233442A CN 102936402 A CN102936402 A CN 102936402A
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CN
China
Prior art keywords
acrylonitrile
butadiene
heat
free flame
styrene resin
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Pending
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CN2011102334427A
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Chinese (zh)
Inventor
李靓
钟鲁
胡欣
田晋丽
杨定吉甫
田征宇
李文龙
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Shanghai Kingfa Science and Technology Co Ltd
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Shanghai Kingfa Science and Technology Co Ltd
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Priority to CN2011102334427A priority Critical patent/CN102936402A/en
Publication of CN102936402A publication Critical patent/CN102936402A/en
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Abstract

The invention discloses a low-smoke heat-resistant halogen-free flame-retardant polycarbonate/acrylonitrile-butadiene-styrene (PC/ABS) resin composition and a preparation method thereof. The composition consists of the following raw materials by weight: 55-75% of PC resin; 10-28% of ABS resin; 10-40% of a phosphorus-nitrogen halogen-free environment-friendly intumescent flame retardant; 3-10% of a heat-resistant modifier; 0.6-3% of a toughening agent; and 0.6-3% of a processing aid. On the basis of maintaining the original excellent mechanical properties and processing performance of PC and ABS resin, the product provided in the invention adopts the phosphorus-nitrogen halogen-free environment-friendly intumescent flame retardant, so that the product not only can have excellent flame retardance, but also achieves a low smoke effect, and at the same time, the flame retardant decomposition is reduced during processing. The flame retardance can reach the 1.6mmV-0 grade. The adding of a proper molecular weight of polyphenylene sulfide also improves the heat deformation temperature of the composition, so that the multiple requirements of low smoke, heat resistance, no halogen and flame retardance for a PC/ABS alloy at specific occasions can be satisfied.

Description

A kind of low cigarette heat-resistant halogen-free flame-retardant polycarbonate/acrylonitrile-butadiene-styrene resin composition and preparation method thereof
Technical field
The present invention relates to a kind of low cigarette heat-resistant halogen-free flame-retardant polycarbonate/acrylonitrile-butadiene-styrene resin composition and preparation method thereof, belong to technical field of polymer materials.
Background technology
Polycarbonate (PC) and acrylonitrile-butadiene-phenylethene grafted copolymer (ABS) alloy are the thermoplastic alloys of a class excellent property, have very high shock strength, thermotolerance and dimensional stability.Due to its various advantages had, be widely used in industrial spare and accessory parts, the shell of electric equipment products and driving member, office equipment and other field.Along with the development of electronic enterprises, the thermal value of all kinds of electronic devices and components sharply rises at present, and the thermotolerance of the sheating material that this just uses electronic enterprises is had higher requirement; And the PC/ABS alloy material produces a large amount of smog in combustion processes, especially fire retardation PC/ABS is all the more so, the electronic product made from it, once circuit for generating short circuit initiation fire, a large amount of smog is by serious threat people's life security.Along with the raising of living standards of the people, the increasingly stringent of environmentally safe requirement, the PC/ABS alloy material with flame retardant properties is widely used.In recent years, the hidden danger of health problem is subject to people's strong interest containing brominated flame retardant, Halogen class fire retardation PC/ABS alloy material be subject to attention and welcome.
Therefore, develop a kind of low cigarette heat-resistant halogen-free flame-retardant polycarbonate/acrylonitrile-butadiene-styrene resin, meet the requirement of field of electronics for the low cigarette of PC/ABS alloy material, heat-resisting, halogen-free flameproof, also meet the policy of national environmental protection.
Summary of the invention
The purpose of this invention is to provide a kind of low cigarette heat-resistant halogen-free flame-retardant polycarbonate/acrylonitrile-butadiene-styrene resin composition.
Another object of the present invention is for the preparation method of this composition is provided.
In order to achieve the above object, the present invention is achieved through the following technical solutions.
A kind of low cigarette heat-resistant halogen-free flame-retardant polycarbonate/acrylonitrile-butadiene-styrene resin composition is comprised of the following raw material in weight part:
PC resin 55-75%;
ABS resinoid 10-28%;
P-N type halogen-free environment-friendly type expanding fire retardant 10-40%;
Heat-proof modifier 3-10%;
Toughner 0.6-3%;
Processing aid 0.6-3%.
Described PC resin is one or both mixing in aliphatics and aromatic copolycarbonate, as 141R and the 121R of GE company;
Described acrylonitrile-butadiene-styrene resin, the product that the trade mark that can adopt ,Ru Taiwan, commercially available prod Qi Mei industrial corporation to produce is PA747S;
Described P-N type halogen-free environment-friendly type expanding fire retardant is selected from one or several mixtures in ammonium polyphosphate, tetramethylolmethane, dipentaerythritol, many tetramethylolmethanes, zinc borate, zinc acetate and trimeric cyanamide;
The polymkeric substance that described heat-proof modifier is substituted phenylethylene or polyphenylene sulfide, wherein, substituted phenylethylene is 2-methyl styrene, 4-butylstyrene, alpha-methyl styrene, 2,5-dimethyl styrene etc.; The numerical value that the polyphenylene sulfide polymerization degree is 20 to 500, the alpha-methyl styrene of Taiwan Qi Mei company;
Described toughner is polyhexamethylene adipamide, as the 1125AC of DUPONT company;
Described processing aid is tetrafluoroethylene, paraffin, Hinered phenols, low molecular weight polyethylene, calcium stearate, Zinic stearas, stearic amide, methylene bis stearic amide and N, one or more in N-ethylene bis stearic acid amide (EBS) and white mineral oil.
The preparation method of above-mentioned low cigarette heat-resistant halogen-free flame-retardant polycarbonate/acrylonitrile-butadiene-styrene resin composition, comprise the steps:
After in proportion PC resin, ABS resinoid, fire retardant, heat-proof modifier, toughner, processing aid fully being mixed in super mixer, in the twin screw extruder that is 40: 1 in length-to-diameter ratio, melting mixing is disperseed, extruding pelletization, be low cigarette heat-resistant halogen-free flame-retardant polycarbonate/acrylonitrile-butadiene-styrene resin of the present invention.
Product of the present invention is on the basis that has retained the original good mechanical property of PC, ABS resin and processing characteristics, adopt P-N type halogen-free environment-friendly type expanding fire retardant, not only make product possess excellent flame retardant properties, also played the effect of low cigarette, reduced the decomposition of fire retardant in the course of processing simultaneously; Its flame retardant properties can reach the 1.6mmV-0 level.Adding of the polyphenylene sulfide of suitable molecular weight also improved its heat-drawn wire, thus meet in specific occasion to the low cigarette of PC/ABS alloy, heat-resistant halogen-free flame-retardant multiple requesting.
Embodiment
Further set forth technical characterstic of the present invention below in conjunction with specific embodiment.
The PC resin is selected the 141R of GE company;
The ABS resinoid is selected 747 of Taiwan Qi Mei company;
P-N type halogen-free environment-friendly type expanding fire retardant is selected the graduate ANTI-610 of oil of SPC;
Heat-proof modifier is selected alpha-methyl styrene and the polyphenylene sulfide of Taiwan Qi Mei company;
Toughner is selected the polyhexamethylene adipamide 1125AC of E.I.Du Pont Company;
Oxidation inhibitor in processing aid is selected 1010 and 168 of Switzerland's Ciba; Anti-dripping agent is the tetrafluoroethylene Teflon 30N of E.I.Du Pont Company, the domestic EBS of processing and lubrication selection of auxiliary, industrial white mineral oil commonly used.
By PC resin, ABS resinoid, fire retardant, heat-proof modifier, toughner, processing aid, in high-speed mixer, the rotating speed turned with per minute 800 under 70~90 ℃ mixes fully and mixes 4~5 minutes; Mixed material is sent in twin screw extruder, the high speed shear of screw rod, mixing and carry under, material is able to sufficient fusing, dispersion, compound; Finally by twin screw extruder, extrude under 220-230 ℃, cooling, dry, pelletizing, obtain the blend product.The length-to-diameter ratio of twin-screw extrusion equipment used is 40: 1; And control and vacuum-pumping equipment with accurate temperature, screw speed is at 300~500 rev/mins.
The standard batten that mixture prepared by each embodiment is injection molded into test use by standard size carries out various performance tests, and the physicals in each embodiment is pressed respectively ASTM standard and U.S. UL standard testing, and test result is as shown in table 3.
Table 1 embodiment 1-5 fill a prescription (parts by weight)
Embodiment 1 Embodiment 2 Embodiment 3 Embodiment 4 Embodiment 5
The PC resin 55 60 65 68 70
The ABS resinoid 18 16 12 10 10
Fire retardant 20 18 18 17.8 15
Heat-proof modifier 5.4 4.4 3.4 3 3
Toughner 1 0.8 0.6 0.6 1
Processing aid 0.6 0.8 1 0.6 1
Table 2 performance test methods
Physicals Testing method
Tensile strength ASTM D638
Elongation at break ASTM D638
The Izod notched Izod impact strength ASTM D256
Flexural strength ASTM D790
Modulus in flexure ASTM D790
[0036]
Heat-drawn wire ASTM D648
Flame retardant resistance UL94
The performance test results of table 3 embodiment 1-5
Physicals 1 2 3 4 5
Tensile strength (Mpa) 55 58 62 63 64
Elongation at break (%) 46 44 41 40 38
Flexural strength (Mpa) 89 95 99 101 105
Modulus in flexure (Mpa) 2490 2540 2600 2618 2650
Izod notched Izod impact strength J/m 400 440 460 466 478
Heat-drawn wire (℃, 1.82Mpa) 111 106 101 99.5 99
Flame retardant resistance (1.6mm) V-0 V-0 V-0 V-0 V-0
From embodiment 1-5, can find, material possesses outstanding flame retardant properties, and flame retardant resistance reaches UL941.6mm V-0 level; Realizing having given material favorable comprehensive mechanical property and higher heat-drawn wire under material halogen-free flameproof condition simultaneously.

Claims (10)

1. one kind low cigarette heat-resistant halogen-free flame-retardant polycarbonate/acrylonitrile-butadiene-styrene resin composition is characterized in that: the following raw material in weight part, consist of:
PC resin 55-75%;
ABS resinoid 10-28%;
P-N type halogen-free environment-friendly type expanding fire retardant 10-40%;
Heat-proof modifier 3-10%;
Toughner 0.6-3%;
Processing aid 0.6-3%.
2. low cigarette heat-resistant halogen-free flame-retardant polycarbonate/acrylonitrile-butadiene-styrene resin composition according to claim 1, it is characterized in that: described PC resin is one or both mixing in aliphatics and aromatic copolycarbonate.
3. low cigarette heat-resistant halogen-free flame-retardant polycarbonate/acrylonitrile-butadiene-styrene resin composition according to claim 2, it is characterized in that: described PC resin is 141R and 121R.
4. low cigarette heat-resistant halogen-free flame-retardant polycarbonate/acrylonitrile-butadiene-styrene resin composition according to claim 1, is characterized in that: the product that described acrylonitrile-butadiene-styrene resin is PA747S.
5. low cigarette heat-resistant halogen-free flame-retardant polycarbonate/acrylonitrile-butadiene-styrene resin composition according to claim 1, it is characterized in that: described P-N type halogen-free environment-friendly type expanding fire retardant is selected from one or several mixtures in ammonium polyphosphate, tetramethylolmethane, dipentaerythritol, many tetramethylolmethanes, zinc borate, zinc acetate and trimeric cyanamide.
6. low cigarette heat-resistant halogen-free flame-retardant polycarbonate/acrylonitrile-butadiene-styrene resin composition according to claim 1, is characterized in that: the polymkeric substance that described heat-proof modifier is substituted phenylethylene or polyphenylene sulfide.
7. low cigarette heat-resistant halogen-free flame-retardant polycarbonate/acrylonitrile-butadiene-styrene resin composition according to claim 6, it is characterized in that: described substituted phenylethylene is 2-methyl styrene, the 4-butylstyrene, one or more mixing in alpha-methyl styrene and 2,5-dimethyl styrene; The alpha-methyl styrene that polyphenylene sulfide is Taiwan Qi Mei company, the polymerization degree is 20-500.
8. low cigarette heat-resistant halogen-free flame-retardant polycarbonate/acrylonitrile-butadiene-styrene resin composition according to claim 1, it is characterized in that: described toughner is 1125AC.
9. low cigarette heat-resistant halogen-free flame-retardant polycarbonate/acrylonitrile-butadiene-styrene resin composition according to claim 1, it is characterized in that: described processing aid is tetrafluoroethylene, paraffin, Hinered phenols, low molecular weight polyethylene, calcium stearate, Zinic stearas, stearic amide, methylene bis stearic amide and N, one or more in N-ethylene bis stearic acid amide and white mineral oil.
10. a method for preparing the described composition of claim 1, is characterized in that: comprise the steps:
After in proportion PC resin, ABS resinoid, fire retardant, heat-proof modifier, toughner, processing aid fully being mixed in super mixer, in the twin screw extruder that is 40: 1 in length-to-diameter ratio, melting mixing is disperseed, extruding pelletization, obtain low cigarette heat-resistant halogen-free flame-retardant polycarbonate/acrylonitrile-butadiene-styrene resin.
CN2011102334427A 2011-08-15 2011-08-15 Low-smoke heat-resistant halogen-free flame-retardant polycarbonate/acrylonitrile-butadiene-styrene resin composition and preparation method thereof Pending CN102936402A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103421294A (en) * 2013-08-23 2013-12-04 苏州长盛机电有限公司 Halogen-free flame-retardant enhanced PC/ABS alloy and preparation method thereof
CN103724970A (en) * 2013-12-31 2014-04-16 奉化市旭日新材料有限公司 Flame-retardant polycarbonate/acrylonitrile butadiene styrene resin
CN103724967A (en) * 2013-12-17 2014-04-16 浙江普利特新材料有限公司 Flame-retarding PC (Polycarbonate)/ABS (Acrylonitrile Butadiene Styrene) blend material for automobile interior trimmings and preparing method thereof
CN103740082A (en) * 2013-12-28 2014-04-23 重庆普利特新材料有限公司 UL94-5VA-grade high-performance flame-retardant reinforced PC (polycarbonate)/ABS (acrylonitrile butadiene styrene) blend and preparation method thereof
CN103756276A (en) * 2013-12-28 2014-04-30 上海普利特复合材料股份有限公司 Highly environmental-friendly flame retardant reinforced PC (Polycarbonate)/ABS (Acrylonitrile Butadiene Styrene) blending material and preparation method thereof
CN106633752A (en) * 2016-09-26 2017-05-10 珠海格力电器股份有限公司 Halogen-free flame-retardant PC/ABS alloy material and preparation method and application thereof
CN118702985A (en) * 2024-08-27 2024-09-27 飞红线缆集团有限公司 A wear-resistant low-smoke halogen-free power cable and preparation method thereof

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CN1266454A (en) * 1997-08-11 2000-09-13 拜尔公司 Flame resistant polycarbonate ABS moulding materials
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CN101397396A (en) * 2007-09-27 2009-04-01 上海金发科技发展有限公司 Polycarbonate and acrylic nitrile-butadiene-phenylethylene grafted copolymer heat resisting and flame-retardant alloy

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103421294A (en) * 2013-08-23 2013-12-04 苏州长盛机电有限公司 Halogen-free flame-retardant enhanced PC/ABS alloy and preparation method thereof
CN103724967A (en) * 2013-12-17 2014-04-16 浙江普利特新材料有限公司 Flame-retarding PC (Polycarbonate)/ABS (Acrylonitrile Butadiene Styrene) blend material for automobile interior trimmings and preparing method thereof
CN103740082A (en) * 2013-12-28 2014-04-23 重庆普利特新材料有限公司 UL94-5VA-grade high-performance flame-retardant reinforced PC (polycarbonate)/ABS (acrylonitrile butadiene styrene) blend and preparation method thereof
CN103756276A (en) * 2013-12-28 2014-04-30 上海普利特复合材料股份有限公司 Highly environmental-friendly flame retardant reinforced PC (Polycarbonate)/ABS (Acrylonitrile Butadiene Styrene) blending material and preparation method thereof
CN103756276B (en) * 2013-12-28 2016-06-15 上海普利特复合材料股份有限公司 The fire-retardant enhancing PC/ABS intermingling material of a kind of high feature of environmental protection and its preparation method
CN103724970A (en) * 2013-12-31 2014-04-16 奉化市旭日新材料有限公司 Flame-retardant polycarbonate/acrylonitrile butadiene styrene resin
CN103724970B (en) * 2013-12-31 2016-02-03 奉化市旭日新材料有限公司 A kind of Flame-retardant polycarbonate/acrylobutadiene butadiene styrene resin
CN106633752A (en) * 2016-09-26 2017-05-10 珠海格力电器股份有限公司 Halogen-free flame-retardant PC/ABS alloy material and preparation method and application thereof
CN118702985A (en) * 2024-08-27 2024-09-27 飞红线缆集团有限公司 A wear-resistant low-smoke halogen-free power cable and preparation method thereof

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