CN104817832A - Polybutylene terephthalate composite material - Google Patents
Polybutylene terephthalate composite material Download PDFInfo
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- CN104817832A CN104817832A CN201510263901.4A CN201510263901A CN104817832A CN 104817832 A CN104817832 A CN 104817832A CN 201510263901 A CN201510263901 A CN 201510263901A CN 104817832 A CN104817832 A CN 104817832A
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Abstract
The invention provides a polybutylene terephthalate composite material for waffle maker shells. The technical scheme is as follows: the polybutylene terephthalate composite material for waffle maker shells comprises the following components in percentage by weight: 40-70% of polybutylene terephthalate, 0-20% of polyester resin, 2-7% of toughening compatilizer, 1-5% of silicone powder, 10-30% of reinforcer, 0.1-1% of main antioxidant and 0.2-2% of auxiliary antioxidant. Compared with the prior art, by compounding the polybutylene terephthalate, polyester, reinforcer, toughening compatilizer and antioxidant and reasonably optimizing the proportion of the components, the excellent mechanical properties, heat resistance, high glossiness, low warpage and other excellent properties of the polybutylene terephthalate composite material are maintained.
Description
Technical field
The invention belongs to polymeric material field, specifically a kind of polybutylene terephthalate matrix material for Hua Fuji shell.
Background technology
Along with the requirement of people's quality of life improves constantly, the development in small electric apparatus market, kitchen enters the stage of maturity, competition is also growing more intense, the progress of society makes the consumption concept of people more and more go out individual otherness in surface, determine the requirement of future market to product, low cost, personalized and functional characteristics can be embodied, consumption all more and more will focus on the visual appearance of product, and all kinds of environmental protection and the type material having a novel appearance will be applied in this field.
Polybutylene terephthalate is those semi-crystalline materials, there are extraordinary chemical stability, physical strength, electrical insulation characteristics, thermostability and higher surface gloss, these materials have good stability under very wide envrionment conditions, and its alloy is widely used in the fields such as automobile, electronic apparatus, industrial machinery.Certain polybutylene terephthalate also has its intrinsic shortcoming, such as notch shock is low, shrinking percentage large, easy warpage, especially in appearance component, PBT moulding glossiness not this and easily produce gas trace, cause the fraction defective when preparing high light product higher.
Summary of the invention
The technical problem to be solved in the present invention is, solve due to after carrying out enhancing modified to polybutylene terephthalate, cause easy buckling deformation on Hua Fuji shell, surface luster is poor, cost is high.
The invention provides a kind of polybutylene terephthalate matrix material for Hua Fuji shell, by giving technical scheme to realize, comprising the component of following weight percent content:
Described polybutylene terephthalate be low, in one or more in sticky PBT.
Described vibrin is one or more in PET, PC, PETG.
Described toughener is one or more in megalith 988A, Mount Taishan 635B, wollastonite, talcum powder, Mount Taishan 436H.
Described toughness reinforcing compatilizer is one or more in MBS, maleic anhydride graft POE, EVA, Glycidyl methacrylate grease grafting POE.
Described primary antioxidant is 3,5-di-t-butyl-4-hydroxy phenylpropionic acid octadecyl, β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid octadecyl, 2, one or several mixtures in 2 methylene-biss (4-methyl-6-tert-butylphenol).
Described auxiliary antioxidant is the mixture of one or more in three (1.4-di-tert-butyl-phenyl) phosphorous acid, two (2,4-di-tert-butyl-phenyl) season amylalcohol bisphosphate, two (octadecyl) pentaerythritol diphosphate.
The present invention compared to existing technology, by with the use of polybutylene terephthalate, polyester, toughener, toughness reinforcing compatilizer, oxidation inhibitor, the usage ratio of the above-mentioned each component of reasonably optimizing, not only maintains the excellent properties such as the mechanical property of polybutylene terephthalate matrix material, thermotolerance, high gloss, low warpage simultaneously.
Embodiment
Do following further illustrating below in conjunction with specific embodiment to the present invention, following examples are the present invention's preferably embodiment:
Embodiments of the invention adopt and give raw material:
Embodiment 1:
Following component is taken according to weight percent:
According to the ratio of embodiment 1, the PBT resin of drying, PET resin, toughness reinforcing compatilizer, silicone powder and oxidation inhibitor are mixed 3-5 minute in high-speed mixer, then join (screw diameter 35MM in twin screw extruder, length-to-diameter ratio L/D=40), each barrel temperature melt extrudes between 150-260 DEG C, screw speed is 350 revs/min, and wherein glass fibre adds at glass rim, adopts the straight empty granulation of secondary to obtain finished product BE1.
Embodiment 2:
The PBT resin of drying, PET resin, toughness reinforcing compatilizer, silicone powder and oxidation inhibitor are mixed 3-5 minute in high-speed mixer, join in twin screw extruder after then adding chopped strand 436H mixing 10-15 second again, granulation, obtains PBT composite product B E2.
Embodiment 3:
Identical with embodiment 2, difference is:
Namely mixing of materials extruding pelletization is obtained PBT composite product B E3.
Embodiment 4:
Identical with embodiment 2, difference is:
Namely mixing of materials extruding pelletization is obtained PBT composite product B E4.
Embodiment 5:
Identical with embodiment 2, difference is:
Namely mixing of materials extruding pelletization is obtained PBT composite product B E5.
Embodiment 6:
Identical with embodiment 2, difference is:
Namely mixing of materials extruding pelletization is obtained PBT composite product B E6.
Performance test
PBT composite obtained to embodiment 1-6 is as follows tested, and result is as shown in table 1.The method that the testing method of tensile strength specifies according to GB 1040, the method that the testing method of notch shock and normal temperature shock resistance specifies by GB 1843 is tested, the testing method GB 9341 of flexural strength and modulus according to the method for regulation, the method that the testing method of heat-drawn wire specifies according to GB 1634.
Shown in the following form of the material property obtained by above-mentioned condition:
table 1
As can be seen from the result of above table, add the chopped strand of low levels, this PBT composite system still can keep higher glossiness, adopt the obvious gloss of low viscosity PBT composite higher than other, simultaneously material heatproof along with the change of glass addition large and rise, when chopped strand reaches 20%, surface luster heat resistance meets actual requirement needed for Hua Fuji shell all simultaneously.
Not only glossiness is high, the high and low warpage of good fluidity, heatproof for a kind of polybutylene terephthalate matrix material for Hua Fuji shell of the present invention, and there is excellent mechanical property, require harsher household appliances shell PP Pipe Compound as Hua Fuji etc.
Claims (6)
1. a polybutylene terephthalate matrix material, for Hua Fuji shell, is characterized in that, calculates, be made up of following component according to weight percent:
2. polybutylene terephthalate matrix material as claimed in claim 1, it is characterized in that: described polybutylene terephthalate is that 1.4-butyleneglycol and terephthalic acid or terephthalate polycondensation form, and its intrinsic viscosity is 0.8-1.2dl/g.
3. polybutylene terephthalate matrix material as claimed in claim 1, is characterized in that: described vibrin is polyethylene terephthalate, containing one or both miscellanys in the high molecular polymer of bisphenol A-type.
4. polybutylene terephthalate matrix material as claimed in claim 1, is characterized in that: described toughness reinforcing compatilizer is one or more mixtures in maleic anhydride graft elastomerics, glycidyl methacrylate graft elastomerics, MBS terpolymer, ethylene-vinyl acetate copolymer.
5. polybutylene terephthalate matrix material as claimed in claim 1, is characterized in that: described toughener is one or more mixtures that the length of γ-aminocarbonyl propyl triethoxyl silane process cuts in glass fibre, γ-glycidyl ether silane treatment chopped strand, oblique system class magnesium silicate compounds, calcareous metasilicate compound.
6. polybutylene terephthalate matrix material as claimed in claim 1, it is characterized in that: described silicone powder is take silicon-dioxide as high molecular weight silicone, polysiloxane, the silicone resin of carrier, and the mass percent of its content of siloxane is 40-60%.
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105295314A (en) * | 2015-10-20 | 2016-02-03 | 上海胜南复合材料有限公司 | High-performance prime-coat-free PBT/PET alloy material and preparation method |
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 |
CN106589850A (en) * | 2016-12-12 | 2017-04-26 | 广东威林工程塑料股份有限公司 | PET (polyethylene glycol terephthalate) composite material for DC (direct-current) charging gun |
CN107383797A (en) * | 2017-07-18 | 2017-11-24 | 上海日之升科技有限公司 | A kind of high-rigidity and low-warpage polyester composite and preparation method thereof |
CN108314869A (en) * | 2018-02-12 | 2018-07-24 | 金发科技股份有限公司 | A kind of ASA/ polyester alloys material and its preparation method and application |
CN108752880A (en) * | 2018-06-20 | 2018-11-06 | 安徽江淮汽车集团股份有限公司 | A kind of PBT composite and preparation method thereof |
CN110423438A (en) * | 2019-07-17 | 2019-11-08 | 长泰铱科科技有限公司 | A kind of high glaze high tenacity PBT modified material and preparation method thereof |
CN111234475A (en) * | 2020-01-17 | 2020-06-05 | 中广核俊尔(上海)新材料有限公司 | High-fluidity reinforced PBT material and preparation method thereof |
CN112375349A (en) * | 2020-11-27 | 2021-02-19 | 上海金发科技发展有限公司 | Wear-resistant hydrolysis-resistant long glass fiber reinforced PBT/SPS composite material and preparation method thereof |
CN112920557A (en) * | 2020-12-04 | 2021-06-08 | 张家港大塚化学有限公司 | Preparation method of high-strength low-friction-coefficient composite material for keys |
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Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105295314A (en) * | 2015-10-20 | 2016-02-03 | 上海胜南复合材料有限公司 | High-performance prime-coat-free PBT/PET alloy material and preparation method |
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 |
CN106589850A (en) * | 2016-12-12 | 2017-04-26 | 广东威林工程塑料股份有限公司 | PET (polyethylene glycol terephthalate) composite material for DC (direct-current) charging gun |
CN107383797A (en) * | 2017-07-18 | 2017-11-24 | 上海日之升科技有限公司 | A kind of high-rigidity and low-warpage polyester composite and preparation method thereof |
WO2019153988A1 (en) * | 2018-02-12 | 2019-08-15 | 金发科技股份有限公司 | Asa/polyester alloy material, preparation method therefor and application thereof |
CN108314869A (en) * | 2018-02-12 | 2018-07-24 | 金发科技股份有限公司 | A kind of ASA/ polyester alloys material and its preparation method and application |
CN108314869B (en) * | 2018-02-12 | 2020-09-29 | 金发科技股份有限公司 | ASA/polyester alloy material and preparation method and application thereof |
CN108752880A (en) * | 2018-06-20 | 2018-11-06 | 安徽江淮汽车集团股份有限公司 | A kind of PBT composite and preparation method thereof |
CN110423438A (en) * | 2019-07-17 | 2019-11-08 | 长泰铱科科技有限公司 | A kind of high glaze high tenacity PBT modified material and preparation method thereof |
CN111234475A (en) * | 2020-01-17 | 2020-06-05 | 中广核俊尔(上海)新材料有限公司 | High-fluidity reinforced PBT material and preparation method thereof |
CN112375349A (en) * | 2020-11-27 | 2021-02-19 | 上海金发科技发展有限公司 | Wear-resistant hydrolysis-resistant long glass fiber reinforced PBT/SPS composite material and preparation method thereof |
CN112375349B (en) * | 2020-11-27 | 2023-06-16 | 金发科技股份有限公司 | Wear-resistant hydrolysis-resistant long glass fiber reinforced PBT/SPS composite material and preparation method thereof |
CN112920557A (en) * | 2020-12-04 | 2021-06-08 | 张家港大塚化学有限公司 | Preparation method of high-strength low-friction-coefficient composite material for keys |
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