CN102993648B - Anti-static high-gloss flame-retardant PBT/ABS composite material and preparation method thereof - Google Patents

Anti-static high-gloss flame-retardant PBT/ABS composite material and preparation method thereof Download PDF

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Publication number
CN102993648B
CN102993648B CN201210300117.2A CN201210300117A CN102993648B CN 102993648 B CN102993648 B CN 102993648B CN 201210300117 A CN201210300117 A CN 201210300117A CN 102993648 B CN102993648 B CN 102993648B
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district
retardant
pbt
abs
flame
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CN102993648A (en
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刘雪丽
皮正亮
徐正国
刘洁
葛嘉宝
郭建强
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GUANGDONG WAYLAM ENGINEERING PLASTICS Co Ltd
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GUANGDONG WAYLAM ENGINEERING PLASTICS Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/04—Particle-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B29C2948/9259—Angular velocity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92885—Screw or gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895—Barrel or housing

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses an anti-static high-gloss flame-retardant PBT/ABS composite material and a preparation method thereof. The anti-static high-gloss flame-retardant PBT/ABS composite material consists of PBT, ABS, a compatilizer, a brominated flame retardant, a coordinated flame retardant, an anti-static agent, an antioxidant and a processing aid. The anti-static high-gloss flame-retardant PBT/ABS composite material disclosed by the invention has excellent surface performance, thermal performance, chemicals resistance, coloring performance and dimensional stability while maintaining the original advantages of PBT and ABS, and also has an advantage in cost performance, and thus can be widely applied to the fields of home appliances, mechanical accessories, office supplies, electronic devices, automobile industry and the like.

Description

A kind of antistatic glazed flame-retardant PBT/ABS matrix material and preparation method thereof
Technical field
The present invention relates to technical field of polymer materials, be specifically related to a kind of antistatic glazed flame-retardant PBT/ABS matrix material and preparation method thereof.
Background technology
The terpolymer that ABS resin is made up of vinyl cyanide, divinyl and vinylbenzene.Vinyl cyanide provides chemical resistant properties and thermostability; Divinyl provides toughness, elasticity and impact-resistance; Vinylbenzene has been given rigidity, glossiness and processing fluidity.ABS has good dimensional stability, surface gloss, lower temperature resistance, tint permanence and processing fluidity, and price is also more cheap, but that its shortcoming is weathering resistance is poor.Polybutylene terephthalate (PBT) has that crystallization velocity is fast, water-intake rate is low, electric property is excellent and changes the advantages such as little, good weatherability, chemical proofing excellence, good mechanical performance, frictional behaviour excellence with temperature humidity, but it is to breach sensitivity.ABS/PBT matrix material can not only keep outside both excellent properties, also there is good surface property, thermal characteristics, chemical proofing, tinctorial property and dimensional stability, and than on take advantage at P/C, thereby, be widely used in household electrical appliance, mechanical fitting, office appliance, electron device, the vast field such as automotive industry.
But the flame retardant properties of ABS resin own is extremely low, its oxygen index is only 18.3～20, belong to inflammable material, ABS resin contacts with other material surface or when phase mutual friction, easily produce buildup of static electricity, cause dust suction, electric shock or spark discharge, in production and use procedure, make troubles and potential safety hazard (surface resistivity is 4.6 × 1015 Ω), so the Application Areas of ABS often needs flame-retardant and anti-static requirement, this has become the large obstacle that ABS resin is further applied and developed.
Employing multiple means improves the flame retardant resistance of ABS both at home and abroad, wherein to add the method maturation the most of fire retardant in ABS resin, also effective.Because fire retardant has certain extinction, particularly Sb system fire retardant, so add fire retardant, not only can reduce the physical and mechanical properties of ABS resin, also can reduce the glossiness on ABS resin surface simultaneously.For this reason, exploitation high gloss anti-electrostatic fire retardant ABS resin material tool is of great significance, and also has very wide application prospect.
Application number is that the Chinese invention patent of 200910247299.x discloses a kind of antistatic PBT/ABS matrix material and preparation method thereof, and this material comprises PBT, ABS.Compatilizer, static inhibitor, oxidation inhibitor and lubricant.This material comprises PBT, ABS.Compatilizer, static inhibitor, oxidation inhibitor and lubricant.This patent is different from this patent is that this patent is common antistatic PBT/ABS alloy, and this patent is high light flame-retardant and anti-static PBT/ABS alloy, and this alloy is not only antistatic, and flame retardant resistance, glossiness are good.Range of application is more extensive.
Summary of the invention
The object of the invention is to according to the above-mentioned problems in the prior art, a kind of antistatic glazed flame-retardant PBT/ABS matrix material is provided.
Another object of the present invention is to provide the preparation method of above-mentioned antistatic glazed flame-retardant PBT/ABS matrix material.
Above-mentioned purpose of the present invention is achieved by the following technical programs:
A kind of antistatic glazed flame-retardant PBT/ABS matrix material, by forming according to the component of mass percent meter as follows: PBT 30 ~ 70%, ABS 10 ~ 30%, compatilizer 3 ~ 10%, bromide fire retardant 10 ~ 20%, synergistic flame retardant 3 ~ 6%, static inhibitor 2 ~ 10%, oxidation inhibitor 0.2 ~ 1% and processing aid 0.5 ~ 1%; Wherein, described bromide fire retardant is one or more in TDE, brominated epoxy resin, brominated Polystyrene, three (tribromo phenyl) triazine; Described synergistic flame retardant is that nanometer grade antimony trioxide and zinc borate obtain according to the mass ratio interworking of 2:3.Wherein, described bromide fire retardant is selected from any one in TDE, brominated epoxy resin, brominated Polystyrene, three (tribromo phenyl) triazine; Synergistic flame retardant is nanometer grade antimony trioxide and zinc borate according to the mass ratio interworking of 2:3.
As a kind of preferred version, described PBT melt viscosity is 0.6-1.0, and in ABS, butadiene content is 30-60%(wt%); Described compatilizer is one or more in ABS-g-MAH, SEBS-g-MAH, acrylonitrile-styrene-copolymer-maleic anhydride.
As a kind of preferred version, static inhibitor is any one or more than one the mixture being selected from non-ionic antistatic agent and anionic antistatic agent, oxidation inhibitor is that antioxidant 1010, irgasfos 168 are the composite mixture of 1:2 according to massfraction, and described processing aid is any one or more than one the mixture in ethylene bis stearamide, Magnesium Stearate, Zinic stearas and polyethylene wax.
The preparation method of the antistatic glazed flame-retardant PBT/ABS of the present invention matrix material, comprises the following steps:
Prepare raw material according to the feed composition of claim 1 and content (wt%);
Above-mentioned whole raw materials are put into discharging after high-speed mixer and mixing 2 ~ 5min;
The raw material mixing is put in the loading hopper of twin screw extruder, through melt extruding, granulation, complete processing is as follows: 180 ~ 200 DEG C, twin screw extruder one district, 215 ~ 240 DEG C, 2nd district, 215 ~ 240 DEG C, 3rd district, 200 ~ 230 DEG C, 4th district, 200 ~ 230 DEG C, 5th district, 215 ~ 240 DEG C, 6th district, 215 ~ 240 DEG C, 7th district, 215 ~ 240 DEG C, 8th district; Screw rod revolution is controlled at 350r/min.
Compared with prior art, the present invention has following beneficial effect:
(1) the present invention passes through to select suitable flame-retardant system, and by antimonous oxide and the composite synergistic flame-retardant system of zinc borate, prepared material has stable flame-retarding characteristic, and environment-protecting asepsis;
(2) in ensureing matrix material fire-retardant performance, select homemade matrix material compatilizer, PBT system and ABS system is well compatible together with, prepared material has good comprehensive mechanical property;
(3) by adding static inhibitor, make matrix material have anlistatig effect, and preparation technology is simple, dimensional stability is better, the features such as height flows, Gao Guang, resistance to chemical reagents.
Embodiment
Further explain the present invention below in conjunction with embodiment, but embodiment does not limit in any form to the present invention.
First accurately take preparation raw material according to the feed composition of each embodiment in table 1; Then above-mentioned whole raw materials are put into discharging after high-speed mixer and mixing 2-5min; The raw material mixing is put in the loading hopper of twin screw extruder, through melt extruding, granulation, complete processing is as follows: twin screw extruder one district 180-200 DEG C, two district 215-240 DEG C, three district 215-240 DEG C, four district 200-230 DEG C, five district 200-230 DEG C, six district 215-240 DEG C, seven district 215-240 DEG C, eight district 215-240 DEG C; Screw rod revolution is controlled at 350r/min; The residence time is at 2-10min.
The properties test of the each embodiment of antistatic high photoresistance combustion PBT/ABS matrix material of the present invention is as shown in table 2:
Scope of the present invention is not subject to the restriction of described specific embodiments, and described embodiment is only wanted, as the single example of setting forth all respects of the present invention, also to comprise method and the component of functional equivalent in the scope of the invention.In fact,, except content as herein described, those skilled in the art can be easy to grasp multiple improvement of the present invention with reference to description above.Within described improvement also falls into the scope of appended claims.
Table 1
Table 2

Claims (2)

1. an antistatic glazed flame-retardant PBT/ABS matrix material, is characterized in that being made up of according to mass percent meter following component:
Wherein, described synergistic flame retardant is that nanometer grade antimony trioxide and zinc borate obtain according to the mass ratio interworking of 2:3; Described antioxidant 1010/168 are that antioxidant 1010 and irgasfos 168 are the composite mixture of 1:2 according to mass ratio.
2. the preparation method of antistatic glazed flame-retardant PBT/ABS matrix material described in claim 1, is characterized in that comprising the steps: preparing raw material according to component proportion, then raw material is put into discharging after high-speed mixer and mixing 2～5min; The raw material mixing is put in the loading hopper of twin screw extruder, through melt extruding, granulation, obtains antistatic glazed flame-retardant PBT/ABS matrix material;
Wherein, 180～200 DEG C, described twin screw extruder one district, 215～240 DEG C, 2nd district, 215～240 DEG C, 3rd district, 200～230 DEG C, 4th district, 200～230 DEG C, 5th district, 215～240 DEG C, 6th district, 215～240 DEG C, 7th district, 215～240 DEG C, 8th district; Screw rod revolution is controlled at 350r/min.
CN201210300117.2A 2012-08-22 2012-08-22 Anti-static high-gloss flame-retardant PBT/ABS composite material and preparation method thereof Active CN102993648B (en)

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CN103351569A (en) * 2013-06-09 2013-10-16 宁波康氏塑料科技有限公司 Preparation method of halogen-free flame-retardant plastic
CN103351570A (en) * 2013-06-09 2013-10-16 宁波康氏塑料科技有限公司 Halogen-free flame-retardant plastic
CN105462151A (en) * 2015-12-14 2016-04-06 广东金发科技有限公司 ABS/PBT composition and application thereof
WO2018119817A1 (en) * 2016-12-29 2018-07-05 黄卫建 Antistatic high-strength thermoplastic composite material
CN107778795A (en) * 2017-12-01 2018-03-09 上海金发科技发展有限公司 A kind of imitative ceramic flame-proof PBT/ABS resin combinations and preparation method thereof
CN112759908B (en) * 2020-12-24 2023-02-10 上海金发科技发展有限公司 Scratch-repairable high-gloss ABS (acrylonitrile-butadiene-styrene) composition and preparation method thereof
CN114230963B (en) * 2021-12-22 2022-06-14 湖州伟悦高分子材料有限公司 Oil-resistant high-impact ABS/PBT composite material and preparation method thereof

Citations (2)

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CN102108191A (en) * 2009-12-28 2011-06-29 上海日之升新技术发展有限公司 Antistatic polybutylece terephthalate (PBT)/acrylonitrile butadiene styrene (ABS) compound material and preparation method thereof
CN102250450A (en) * 2011-07-14 2011-11-23 金发科技股份有限公司 Flame-retardant polyester material with high glow wire ignition temperature and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102108191A (en) * 2009-12-28 2011-06-29 上海日之升新技术发展有限公司 Antistatic polybutylece terephthalate (PBT)/acrylonitrile butadiene styrene (ABS) compound material and preparation method thereof
CN102250450A (en) * 2011-07-14 2011-11-23 金发科技股份有限公司 Flame-retardant polyester material with high glow wire ignition temperature and preparation method thereof

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