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CN101007894B - PBT and ABS flame-proof material - Google Patents

PBT and ABS flame-proof material Download PDF

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Publication number
CN101007894B
CN101007894B CN2006100235341A CN200610023534A CN101007894B CN 101007894 B CN101007894 B CN 101007894B CN 2006100235341 A CN2006100235341 A CN 2006100235341A CN 200610023534 A CN200610023534 A CN 200610023534A CN 101007894 B CN101007894 B CN 101007894B
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China
Prior art keywords
pbt
abs
fire retardant
flame
retardant material
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Expired - Fee Related
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CN2006100235341A
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CN101007894A (en
Inventor
辛敏琦
李荣群
刘春艳
李向红
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Shanghai Kumho Sunny Plastics Co Ltd
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Shanghai Kumho Sunny Plastics Co Ltd
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Priority to CN2006100235341A priority Critical patent/CN101007894B/en
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Abstract

The invention relates to a PBT and ABS flame- proof material. The component and their weight proportion are follows: 30-70% of PBT, 10-50% of ABS, 1-20% of copolymers of styrene and acrylonitrile, 1-20% of styrene-acrylonitrile copolymer graft glycidyl methacrylate, 1-20% of montmorillonite, 1-20% of flame- proof agent, 0.1-1% of anti-oxidant. The PBT/ABS flame- proof material possesses high flame- proof performance, the flame- proof grade reaching V0 class of UL 94 standard, and also improves material performance, especially the rigidity and thermal resistance. The stability of the product size is good. The inventive flame- proof material belongs to the environmental protection product, and is applicable to inject and shape electrical apparatus that requires environmental protection and flame proof.

Description

PBT and ABS fire retardant material
Technical field
The present invention relates to a kind of PBT and ABS fire retardant material, relate in particular to a kind of injection moulding various that the environmental protection flame retardant requirement arranged and the electronic electric equipment of usefulness and a kind of PBT and ABS nano flame retardant materials of household appliances for export of can be used for.
Technical background
The used fire retardant nearly 95% of present flame-retardant PBT/ABS is a halogen containing flame-retardant, be that brominated flame-retardant efficient height, the consumption of representative is few particularly with polybromodiphenyl ether and polybrominated biphenyl material, performance impact to material is little, and it is moderate, its usefulness/price can be equal to than non-other fire retardants, so 70%~80% all uses this based flame retardant in China's electric series products for export.But bromide fire retardant is subjected to the puzzlement of dioxin problem in recent years, use its (bromo-antimony system) fire-retardant macromolecular material the time can generate a large amount of flue dust and corrosive gases simultaneously, at present European Union and Japan this based flame retardant of use of putting into effect in succession that it is forbidden by decree in thermo-cracking and burning.European Union will rise on July 1st, 2006 and implement in full the ROHS instruction, and the electronic and electrical equipment that this decree requires to throw in European Union must not contain poly-dibromodiphenyl ether, poly-bromo biphenyl, and this decree has seriously restricted the outlet of China's electronic and electrical equipment.
Summary of the invention
The object of the present invention is to provide a kind of high efficiency flame retardance that has, good comprehensive mechanical property satisfies the environment-friendly type PBT/ABS fire retardant material of ROHS command request simultaneously.
For realizing above purpose, technical scheme of the present invention provides a kind of PBT and ABS fire retardant material, and it is made up of a mixture, and its weight proportion consists of:
PBT 30-70%、
ABS 10-50%、
The copolymer 1 of vinylbenzene and vinyl cyanide-20%,
Styrene-acrylonitrile copolymer graft glycidyl methacrylate 1-20%,
Polynite 1-20%,
Fire retardant 1-20%,
Oxidation inhibitor 0.1-1%.
Described fire retardant is the Halogen type, is phosphorus flame retardant or borate.
Wherein the relative viscosity of PBT is 0.8-1.5PaS; ABS is vinyl cyanide, divinyl and styrene copolymer, and its rubber content is 35%-70%; The melting index of the multipolymer of vinylbenzene and vinyl cyanide is 15-40g/10min; The styrene-acrylonitrile copolymer graft glycidyl methacrylate is the styrene-acrylonitrile copolymer graft glycidyl methacrylate; Polynite is a kind of silicate clay that has passed through the laminate structure of organic modification, and average wafer thickness is less than 30 nanometers, and is brilliant in the 1-5 nanometer; Described oxidation inhibitor is 1076 Hinered phenols antioxidants, or the compound system of Hinered phenols antioxidant 1010 and phosphite ester kind antioxidant 168, and wherein 1010 and 168 compound proportion is 1: 1.
The preparation method of PBT and ABS fire retardant material is characterized in that, its method is as follows:
(1) takes by weighing raw material by weight ratio;
(2) all raw materials are put into high-speed mixer and mixing 2-5 minute;
(3) discharging;
(4) raw materials mixed is put into screw rod machine extruding pelletization, the rotating speed of screw rod machine is 180-600 rev/min, and temperature is 230-260 ℃.
The PBT content of carboxyl end group that the present invention adopts is low, and hydrolytic resistance is good; Crystallization velocity is fast, easy-formation; Fusing point is higher, and thermotolerance is good; Water-intake rate is low, and dimensional stability is good; Frictional coefficient is low, abrasion performance; Chemicals-resistant, solvent borne are good.
The ABS rubber powder that the present invention adopts has outstanding tough, high glossiness, formability and resistance to chemical reagents.
The present invention adopts PBT/ABS as matrix resin, make a kind of PBT and ABS nano flame retardant material, solve fire retardant well to the influence of PBT/ABS mechanical property and resistance toheat and the feature of environmental protection problem of flame-retardant PBT/ABS, prepared a kind of have dimensional stabilizing, good toughness, intensity height, good, the easy processing of outward appearance, resistance to chemical reagents, PBT and ABS nano flame retardant material that density is lower.
Advantage of the present invention is to utilize the synergistic effect of polynite and halogen-free flame retardants, has not only abandoned traditional bromo-antimony flame-retardant system, has excellent flame-retardant and mechanical property, does not endanger environment and health of human body, belongs to environmentfriendly products; And using polynite to reduce the usage quantity of fire retardant, this has improved the mechanical property and the resistance toheat of fire retardant material to a great extent, the more important thing is greatly to reduce production costs.
Specific embodiments
Below in conjunction with embodiment, the present invention is described in further detail:
Embodiment 1-3:
With PBT/ABS is matrix resin, and the styrene-acrylonitrile copolymer graft glycidyl methacrylate is a compatilizer, is fire retardant with TPP, adds polynite, and 1098/168 (1: 1) and 1076 is an oxidation inhibitor.
Proportioning 1-3
Figure GSB00000438331000031
Whole components were put into high-speed mixer and mixing 4 minutes in proportion, use the screw extrusion press extruding pelletization then, processing temperature is at 240 ℃.
Sample that makes according to embodiment 1-3 and the contrast of traditional bromo-antimony flame-retardant system:
Mechanics Performance Testing is according to the ASTM standard, and flame retardant properties is tested according to the UL94 standard.
Project Embodiment 1 Embodiment 2 Embodiment 3 Bromo-antimony flame-retardant system
Tensile strength Mpa 50 45 45 45
Flexural strength Mpa 70 62 58 60
Modulus in flexure Mpa 2500 2200 1900 1800
Shock strength J/M 300 200 1800 180
3.2mm it is fire-retardant V0 V0 V0 V0

Claims (7)

1. PBT and ABS fire retardant material is characterized in that it is made up of a mixture, and its weight proportion consists of:
PBT 30-70%、
ABS 10-50%、
The copolymer 1 of vinylbenzene and vinyl cyanide-20%,
Styrene-acrylonitrile copolymer graft glycidyl methacrylate 1-20%
Polynite 1-20%,
Fire retardant 1-20%,
Oxidation inhibitor 0.1-1%;
Described fire retardant is the Halogen type, is phosphorus flame retardant or borate.
2. PBT according to claim 1 and ABS fire retardant material is characterized in that, described PBT is a polybutylene terephthalate, and wherein the relative viscosity of PBT is 0.8-1.5PaS, and melt temperature is 225-240 ℃.
3. PBT according to claim 1 and ABS fire retardant material is characterized in that, described ABS is vinyl cyanide, divinyl and styrene copolymer, and its rubber content is 35%-70%, and relative density is 1.0-1.04, and melt temperature is 190-220 ℃.
4. PBT according to claim 1 and ABS fire retardant material is characterized in that, the melting index of the multipolymer of described vinylbenzene and vinyl cyanide is 15-40g/10min.
5. PBT according to claim 1 and ABS fire retardant material is characterized in that, described polynite is a kind of silicate clay that has passed through the laminate structure of organic modification, and average wafer thickness is less than 30 nanometers, and is brilliant in the 1-5 nanometer.
6. PBT according to claim 1 and ABS fire retardant material, it is characterized in that, described oxidation inhibitor is the compound system of 1076 Hinered phenols antioxidants or Hinered phenols antioxidant 1010 and phosphite ester kind antioxidant 168, and wherein 1010 and 168 compound proportion is 1: 1.
7. the preparation method of PBT according to claim 1 and ABS fire retardant material is characterized in that, its method is as follows:
(1) takes by weighing raw material by weight ratio;
(2) all raw materials are put into high-speed mixer and mixing 2-5 minute;
(3) discharging;
(4) raw materials mixed is put into screw rod machine extruding pelletization, the rotating speed of screw rod machine is 180-600 rev/min, and temperature is 230-260 ℃.
CN2006100235341A 2006-01-23 2006-01-23 PBT and ABS flame-proof material Expired - Fee Related CN101007894B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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CN101007894B true CN101007894B (en) 2011-07-27

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Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101280098B (en) * 2008-05-20 2011-07-20 上海大学 Halogen-free flame-proof strengthened polyethylene glycol terephthalate engineering plastics and preparation thereof
CN101654547B (en) * 2009-09-24 2012-07-18 威海联桥新材料科技股份有限公司 Solid condensation-type organic phosphate flame-retardant PBT/ABS alloy material and preparation method thereof
CN101787192B (en) * 2009-10-15 2012-05-30 上海锦湖日丽塑料有限公司 Low-gloss polycarbonate styrene resin composition and preparation method thereof
CN102108187B (en) * 2009-12-28 2012-09-12 上海日之升新技术发展有限公司 High glowing filament environmental-friendly inflaming retarding reinforced polybutylece terephthalate (PBT)/acrylonitrile butadiene styrene (ABS) alloy material and preparation method thereof
CN102477214A (en) * 2010-11-23 2012-05-30 上海锦湖日丽塑料有限公司 Thermoplastic polyester composition containing recycled slag and preparation method thereof
CN102352088A (en) * 2011-09-07 2012-02-15 金发科技股份有限公司 Thermoplastic halogen-free flame-retardant alloy and preparation method thereof
CN102367322A (en) * 2011-10-17 2012-03-07 常熟市星源金属涂层厂 ABS (acrylonitrile butadiene styrene) halogen-free flame-retardant composite material and preparation method thereof
CN103013066B (en) * 2012-12-14 2014-12-10 上海锦湖日丽塑料有限公司 High face impact PET/ABS (polyethylene Terephthalate/acrylonitrile-butadiene-styrene) halogen-free flame retardant alloy and preparation method thereof
CN104403292B (en) * 2014-11-28 2016-06-29 上海锦湖日丽塑料有限公司 A kind of can the resin combination and preparation method thereof of direct water transfer
CN109749347A (en) * 2018-12-27 2019-05-14 会通新材料股份有限公司 A kind of resistance to grease ABS composite material of low linear expansion coefficient and preparation method thereof
KR20240138877A (en) * 2023-03-13 2024-09-20 롯데케미칼 주식회사 Thermoplastic resin composition and molded article using the same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0491985B1 (en) * 1990-12-24 2000-08-02 General Electric Company Impact modified polybutylene terephthalate
CN1396207A (en) * 2001-07-11 2003-02-12 汎塑料株式会社 Flame-retarded resin composition and its forming product
US6531530B2 (en) * 1999-12-28 2003-03-11 Daicel Chemical Industries, Ltd. Non halogen, organic or inorganic flame retardants in thermoplastic polymer blends

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0491985B1 (en) * 1990-12-24 2000-08-02 General Electric Company Impact modified polybutylene terephthalate
US6531530B2 (en) * 1999-12-28 2003-03-11 Daicel Chemical Industries, Ltd. Non halogen, organic or inorganic flame retardants in thermoplastic polymer blends
CN1396207A (en) * 2001-07-11 2003-02-12 汎塑料株式会社 Flame-retarded resin composition and its forming product

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