CN104845058A - High impact resistance modified PBT composite material and preparation method thereof - Google Patents
High impact resistance modified PBT composite material and preparation method thereof Download PDFInfo
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- CN104845058A CN104845058A CN201410566770.2A CN201410566770A CN104845058A CN 104845058 A CN104845058 A CN 104845058A CN 201410566770 A CN201410566770 A CN 201410566770A CN 104845058 A CN104845058 A CN 104845058A
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Abstract
The present invention discloses a high impact resistance modified PBT composite material and a preparation method thereof, wherein the high impact resistance modified PBT composite material comprises, by mass, 60-80% of PBT, 5-10% of an impact resistance modifier, 5-15% of glass fibers, 8-15% of a fire retardation agent, 0.5-2% of an antistatic agent, 0.1-1% of a slipping agent, 0.1-0.5% of an antioxidant, and 0.5-1% of a dispersant, wherein the impact resistance modifier is a methacrylate-acrylic acid ester copolymer having a core-shell structure or a methyl methacrylate-butadiene-styrene ternary graft copolymer. The high impact resistance modified PBT composite material of the present invention has characteristics of high impact resistance, high gloss, high fire retardation, low warpage, good antistatic property, excellent electrical property, excellent heat resistance, stable size stability, and good processability, and can be widely used in the fields of electronic appliances, household appliances, chemical industry, machinery, and the like.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of high impact-resistant modified PBT composite material and preparation method thereof.
Background technology
PBT(polybutylene terephthalate) be one of five large-engineering plastics, be widely used in the fields such as electronic apparatus, household electrical appliances, chemical industry, machinery at present.But simple PBT material exists, and notch impact toughness is low, fragility large, poor stability and the shortcoming such as static resistance is not enough, and this limits its range of application widely.
Summary of the invention
The object of the present invention is to provide a kind of have toughness reinforcing, strengthen and the high impact-resistant modified PBT composite material and preparation method thereof of anti-static function.
The technical solution adopted for the present invention to solve the technical problems is: a kind of high impact-resistant modified PBT composite material, and its component by mass percent proportioning is: PBT 60% ~ 80%, impact modifier 5% ~ 10%, glass fibre 5% ~ 15%, fire retardant 8% ~ 15%, static inhibitor 0.5% ~ 2%, slipping agent 0.1% ~ 1%, oxidation inhibitor 0.1% ~ 0.5%, dispersion agent 0.5% ~ 1%.
Described PBT is polybutylene terephthalate.
Described impact modifier is Methylacrylate-Acrylate Copolymer or the MBS ternary graft copolymer with nucleocapsid structure.
Described glass fibre be diameter at 8 ~ 15 μm and surface through silane coupling agent process alkali-free short glass fiber.
Described fire retardant is the compound that the polydimethylsiloxane of mass ratio 1:4 and dihydroxyphenyl propane-bis-(diphenyl phosphoester) form.
Described anti-quiet dose is static inhibitor HKD-510 or static inhibitor HKD-912.
Described slipping agent is amine hydroxybenzene or erucicamide.
Described oxidation inhibitor is the compound that the Hinered phenols antioxidant 1076 of mass ratio 1:1 forms with phosphite ester kind antioxidant 168.
Described dispersion agent is modification ethylene bis stearamide or pentaerythritol stearate.
The preparation method of a kind of high impact-resistant modified PBT composite material of the present invention, comprises the following steps:
(1), by PBT at 120 DEG C ~ 140 DEG C dry 4 ~ 6 hours, fire retardant at 60 DEG C ~ 80 DEG C dry 30 ~ 45 minutes, stand-by;
(2), take step (1) by mass percent proportioning and obtain dry PBT and fire retardant, add in super mixer, add the impact modifier, static inhibitor, slipping agent, oxidation inhibitor, the dispersion agent that take by mass percent proportioning simultaneously, make to stir 3 ~ 15 minutes together, after fully mixing, discharging;
(3) compound, by step (2) obtained and the main spout and the side spout that add twin screw extruder by the glass fibre that mass percent proportioning takes respectively, by extruding after abundant melting, and after cooling, granulation, drying, namely obtain the present invention.
The invention has the beneficial effects as follows, the present invention has the performance of high-impact, high gloss, high flame retardant, low warpage, and antistatic property is good, electrical property and fine heat-resisting performance, dimensional stabilizing, good processability, can be widely used in the fields such as electronic apparatus, household electrical appliances, chemical industry, machinery.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with specific embodiment.
A kind of high impact-resistant modified PBT composite material, its component by mass percent proportioning is: PBT 61%, the Methylacrylate-Acrylate Copolymer 10% with nucleocapsid structure, glass fibre 10%, fire retardant 15%, static inhibitor HKD-912 2%, erucicamide 0.8%, oxidation inhibitor 0.2%, modification ethylene bis stearamide 1%.Wherein, described PBT is polybutylene terephthalate; Described glass fibre be diameter at 8 ~ 15 μm and surface through silane coupling agent process alkali-free short glass fiber; Described fire retardant is the compound that the polydimethylsiloxane of mass ratio 1:4 and dihydroxyphenyl propane-bis-(diphenyl phosphoester) form; Described oxidation inhibitor is the compound that the Hinered phenols antioxidant 1076 of mass ratio 1:1 forms with phosphite ester kind antioxidant 168.
Its preparation method is: (1), by PBT at 120 DEG C ~ 140 DEG C dry 4 ~ 6 hours, fire retardant at 60 DEG C ~ 80 DEG C dry 30 ~ 45 minutes, stand-by; (2), take step (1) by mass percent proportioning and obtain dry PBT and fire retardant, add in super mixer, add the Methylacrylate-Acrylate Copolymer with nucleocapsid structure, static inhibitor HKD-912, erucicamide, oxidation inhibitor, the modification ethylene bis stearamide that take by mass percent proportioning simultaneously, make to stir 3 ~ 15 minutes together, after fully mixing, discharging; (3) compound, by step (2) obtained and the main spout and the side spout that add twin screw extruder by the glass fibre that mass percent proportioning takes respectively, by extruding after abundant melting, and after cooling, granulation, drying, namely obtain the present invention.
Claims (9)
1. a high impact-resistant modified PBT composite material, it is characterized in that, its component by mass percent proportioning is: PBT 60% ~ 80%, impact modifier 5% ~ 10%, glass fibre 5% ~ 15%, fire retardant 8% ~ 15%, static inhibitor 0.5% ~ 2%, slipping agent 0.1% ~ 1%, oxidation inhibitor 0.1% ~ 0.5%, dispersion agent 0.5% ~ 1%.
2. a kind of high impact-resistant modified PBT composite material according to claim 1, it is characterized in that, described impact modifier is Methylacrylate-Acrylate Copolymer or the MBS ternary graft copolymer with nucleocapsid structure.
3. a kind of high impact-resistant modified PBT composite material according to claim 1, is characterized in that, described glass fibre be diameter at 8 ~ 15 μm and surface through silane coupling agent process alkali-free short glass fiber.
4. a kind of high impact-resistant modified PBT composite material according to claim 1, is characterized in that, described fire retardant is the compound that the polydimethylsiloxane of mass ratio 1:4 and dihydroxyphenyl propane-bis-(diphenyl phosphoester) form.
5. a kind of high impact-resistant modified PBT composite material according to claim 1, is characterized in that, described anti-quiet dose is static inhibitor HKD-510 or static inhibitor HKD-912.
6. a kind of high impact-resistant modified PBT composite material according to claim 1, is characterized in that, described slipping agent is amine hydroxybenzene or erucicamide.
7. a kind of high impact-resistant modified PBT composite material according to claim 1, is characterized in that, described oxidation inhibitor is the compound that the Hinered phenols antioxidant 1076 of mass ratio 1:1 forms with phosphite ester kind antioxidant 168.
8. a kind of high impact-resistant modified PBT composite material according to claim 1, is characterized in that, described dispersion agent is modification ethylene bis stearamide or pentaerythritol stearate.
9. the preparation method of a kind of high impact-resistant modified PBT composite material according to claim 1, is characterized in that, comprise the following steps:
(1), by PBT at 120 DEG C ~ 140 DEG C dry 4 ~ 6 hours, fire retardant at 60 DEG C ~ 80 DEG C dry 30 ~ 45 minutes, stand-by;
(2), take step (1) by mass percent proportioning and obtain dry PBT and fire retardant, add in super mixer, add the impact modifier, static inhibitor, slipping agent, oxidation inhibitor, the dispersion agent that take by mass percent proportioning simultaneously, make to stir 3 ~ 15 minutes together, after fully mixing, discharging;
(3) compound, by step (2) obtained and the main spout and the side spout that add twin screw extruder by the glass fibre that mass percent proportioning takes respectively, by extruding after abundant melting, and after cooling, granulation, drying, namely obtain the present invention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410566770.2A CN104845058A (en) | 2014-10-23 | 2014-10-23 | High impact resistance modified PBT composite material and preparation method thereof |
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| CN201410566770.2A CN104845058A (en) | 2014-10-23 | 2014-10-23 | High impact resistance modified PBT composite material and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106280320A (en) * | 2016-08-31 | 2017-01-04 | 广东顺德顺炎新材料股份有限公司 | A kind of low warpage highlight antiflaming polybutylene terephthalate (PBT) and preparation method thereof |
| CN106987102A (en) * | 2017-05-06 | 2017-07-28 | 广东威林工程塑料股份有限公司 | Low floating fine short fiber enhanced PBT/ABS alloy material of a kind of heat-resisting impact resistance available for electric appliance casing and preparation method thereof |
-
2014
- 2014-10-23 CN CN201410566770.2A patent/CN104845058A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106280320A (en) * | 2016-08-31 | 2017-01-04 | 广东顺德顺炎新材料股份有限公司 | A kind of low warpage highlight antiflaming polybutylene terephthalate (PBT) and preparation method thereof |
| CN106987102A (en) * | 2017-05-06 | 2017-07-28 | 广东威林工程塑料股份有限公司 | Low floating fine short fiber enhanced PBT/ABS alloy material of a kind of heat-resisting impact resistance available for electric appliance casing and preparation method thereof |
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Application publication date: 20150819 |
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| WD01 | Invention patent application deemed withdrawn after publication |