CN102504499B - Polybutylece terephthalate (PBT) engineering plastic, and preparation method and application thereof - Google Patents
Polybutylece terephthalate (PBT) engineering plastic, and preparation method and application thereof Download PDFInfo
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- CN102504499B CN102504499B CN201110330480.4A CN201110330480A CN102504499B CN 102504499 B CN102504499 B CN 102504499B CN 201110330480 A CN201110330480 A CN 201110330480A CN 102504499 B CN102504499 B CN 102504499B
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Abstract
The invention is applied to the technical field of engineering plastics, and provides a polybutylece terephthalate (PBT) engineering plastic, and a preparation method and application thereof. The PBT engineering plastic comprises the following components: PBT, acrylonitile-styrene-acrylate (ASA), glass fibers, a coupling agent, an antioxidant, a lubricating agent, a first compatilizer and a second compatilizer. The ASA resin is added into the PBT engineering plastic, so that the warping of the PBT engineering plastic is obviously improved. The preparation method for the PBT engineering plastic is easy to implement and low in cost, and is suitable for industrial production.
Description
Technical field
The invention belongs to engineering plastic modification technical field, relate in particular to a kind of PBT engineering plastics, its preparation method and application.
Background technology
Polybutylene terephthalate (PBT) is by terephthalic acid and the synthetic saturated polyester of butyleneglycol polycondensation, its constitutional features has phenyl ring and ester chain, due to height geometrical regularity and rigidity make polymkeric substance have height crystallinity, high-melting-point and mechanical property.But the length existing in PBT main chain-(CH
2)-chain, causes the vitrifying conversion temp of PBT to only have 30 ℃, and heat-drawn wire (HDT) only has 60 ℃.Glass fibre strengthens PBT and has high strength, high heat-resisting, high-wearing feature, but due in melt extruding the course of processing, and fiber is along melt flow direction orientations, makes to strengthen PBT different and produce warpage at flow direction and vertical direction molding shrinkage.The warpage properties that improves reinforced polyester mainly contains and adds packing material and two kinds of methods of material alloysization, and completion method can reduce the over-all properties of material, and alloying process is prone to the demixing phenomenon of material.The method effect of the above-mentioned single PBT of improvement warpage can not meet market demand.
Summary of the invention
In view of this, the invention provides a kind of PBT engineering plastics, by glass fibre modification, solve the technical problem that PBT produces warpage.
The present invention is achieved in that
PBT engineering plastics, comprise the component of following weight percentage:
And,
Above-mentioned PBT engineering plastics preparation method, comprises the steps:
Get the component of following weight percentage:
By described PBT, ASA, coupling agent, oxidation inhibitor and mix lubricant, obtain the first mixture;
Described the first mixture is extruded to processing, described, add described glass fibre in extruding treatment step, obtain PBT engineering plastics.
The present invention further provides the application of above-mentioned PBT engineering plastics in pluging connector or high degree of accuracy mechanical cover.
PBT engineering plastics of the present invention, by adding ASA, have improved the warpage properties of PBT engineering plastics significantly; PBT engineering plastics preparation method of the present invention, simple to operate, with low cost, be very suitable for suitability for industrialized production.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention PBT engineering plastics preparation method schema.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The embodiment of the present invention provides a kind of PBT engineering plastics, comprises the component of following weight percentage:
Particularly, embodiment of the present invention PBT engineering plastics, by glass fibre, PBT is carried out to modification, longitudinal contraction rate and glass fibre lateral shrinkage that in injection molding process, PBT crystallization produces are different, therefore produce warping phenomenon, by adding ASA, produced stable heterogeneous structure, the longitudinal contraction rate of PBT crystallization generation and the discordance between glass fibre lateral shrinkage are effectively alleviated, thereby alleviated significantly the warping phenomenon of PBT engineering plastics.
Particularly, this PBT refers to polybutylene terephthalate, and it is one or more mixture in high, medium and low viscosity PBT, and limiting viscosity is 0.6-1.2dl/g.The weight percentage of this PBT is 20%～65%.
Particularly, the weight percentage of this glass fibre is 15%～30%.This glass fibre is selected from chopped glass fiber or the long glass of cutting.
Particularly, this ASA refers to Acrylate-styrene bipolymer-acrylonitrile terpolymer, and wherein glue content is 20-60%.The weight percentage of this ASA is 15%～40%.ASA, in PBT engineering plastics, can reduce the longitudinal contraction rate of PBT crystallization generation and the discordance between glass fibre lateral shrinkage, has greatly alleviated the warping phenomenon of PBT engineering plastics; Meanwhile, ASA has excellent anti creepage trace performance, makes the CTI value of PBT engineering plastics obviously increase, and has improved the anti creepage trace performance of PBT engineering plastics.
Particularly, this coupling agent is selected from one or more in silane coupling agent, titanate coupling agent or aluminate coupling agent.This silane coupling agent is restriction not, for example, and KH550, KH560, KH565, KH792, DL602, DL171.The weight percentage of this coupling agent is 0.1%～1%.By the effect of coupling agent, the bonding force between glass fibre, ASA and PBT is further strengthened, the mechanical property of PBT engineering plastics is improved greatly.
Particularly, this oxidation inhibitor is restriction not, is preferably one or more compound of Hinered phenols antioxidant and phosphite ester kind antioxidant, as 168,1076,1098,3114,168,626,317 one or more mixtures wherein.The weight percentage of this oxidation inhibitor is 0.1%～1%.
Particularly, this lubricant is restriction not, for example one or more in EBS, Zinic stearas, Magnesium Stearate and carboxylic ester.The weight percentage of lubricant is 0.1%～1%.
Further, PBT engineering plastics of the present invention also comprise that weight percentage is the first compatilizer of 0.01～10%, and the weight percentage of this first compatilizer is preferably 2～10%.This first compatilizer be for carrying out the polymkeric substance of physical action or the compound of polymkeric substance with PBT and ASA, is selected from one or more in polycarbonate, polyethylene terephthalate, acrylonitrile-butadiene-styrene copolymer acrylonitrile-butadiene-styrene copolymer, MBS terpolymer, ethylene-vinyl acetate copolymer, terpolymer EP rubber.
Further, PBT engineering plastics of the present invention also comprise that weight percentage is the second compatilizer of 0.01～10%, and the weight percentage of this second compatilizer is preferably 2～10%.This second compatilizer is selected from styrene maleic anhydride copolymer, styrene-maleic anhydride copolymer (SMA), Acrylate-styrene bipolymer-acrylonitrile terpolymer grafted maleic anhydride (ASA-MAH), vinyl-vinyl acetate copolymer grafted maleic anhydride (EVA-MAH), grafting maleic anhydride with ethylene propylene terpolymer (EPDM-MAH), styrene-grafted glycidyl methacrylate (PS-GMA), Acrylate-styrene bipolymer-acrylonitrile terpolymer grafting glycidyl ester (ASA-GMA), styrene-acrylonitrile copolymer grafting glyceral methacrylate (SAN-GMA), one or more in terpolymer EP rubber graft glycidyl methacrylate (EPDM-GMA).
Because compatilizer can all carry out physics reflection or chemical reaction with PBT and ASA, compatilizer plays ligation between PBT and ASA, and the consistency between PBT and ASA is improved greatly.
Further, the PBT engineering plastics of the embodiment of the present invention also comprise that weight percentage is 3～15% SAN, and this SAN refers to, styrene-acrylonitrile copolymer, melting index >=10.0g/10min under the test condition of 220 ℃/10kg.Polyhutadiene is rubber phase, polyacrylonitrile is matrix, when adding of the first compatilizer and the second compatilizer, compatilizer active group is fine to be incorporated in the matrix resin of styrene-acrylonitrile tree, thereby improve the consistency of ASA and PBT, improve ASA at PBT the dispersed degree in mutually, increase the cementability of two ASA and PBT two-phase interface.
Refer to Fig. 1, Fig. 1 shows above-mentioned PBT engineering plastics preparation method schema, comprises the steps:
Step S01, supplies raw materials:
Get the component of following weight percentage:
Step S02, preparation the first mixture:
Described PBT, ASA, coupling agent, oxidation inhibitor, lubricant, the first compatilizer, the second compatilizer are mixed, obtain the first mixture;
Step S03, extrudes processing:
Described the first mixture is extruded to processing, described, add described glass fibre in extruding treatment step, obtain PBT engineering plastics.
Further, in the component of step S01, also comprise SAN.
Particularly, in embodiment of the present invention PBT engineering plastics preparation method, this PBT, ASA, glass fibre, coupling agent, oxidation inhibitor, lubricant, the first compatilizer, the second compatilizer and SAN and aforesaid identical, do not repeat to set forth at this.
Particularly, in step S02, by above-mentioned, described PBT, ASA, coupling agent, oxidation inhibitor and lubricant are added in whipping appts and are stirred, mix, obtain the first mixture;
Particularly, in step S03, extrusion equipment is restriction not, for example single screw extrusion machine or twin screw extruder.Above-mentioned the first mixture is added in the main spout of extrusion equipment,, above-mentioned glass fibre is added in the side spout of extrusion equipment meanwhile, the first mixture and glass fibre are extruded to processing, obtain PBT engineering plastics.In extrusion, temperature is 190 ℃～230 ℃, and screw speed is 300～650 revs/min.
Embodiment of the present invention PBT engineering plastics preparation method, simple to operate, with low cost, productivity effect is high, is very suitable for suitability for industrialized production.
The embodiment of the present invention further provides the application of above-mentioned PBT engineering plastics in pluging connector or high degree of accuracy mechanical cover.
Below in conjunction with specific embodiment, above-mentioned PBT engineering plastics component and performance thereof are described in detail.
Refer to table one, table one is the PBT engineering plastics component situation of the embodiment of the present invention one～tetra-and comparative example one, two:
Table one
The prepared glass fibre of above-described embodiment is strengthened to PBT/ASA alloy resin dry 2-4 hour under 90 ℃ of conditions, according to iso standard size, be injection molded into test with batten and test, resulting material property is as table two.
Table two
By comparative example two and embodiment test result, can find out, adding of ASA improved warpage performance and the resistance to electric vestige performance that strengthens PBT very significantly.The test result of comparative example one and embodiment bis-can be found out, the keying action that composite compatilizer system by using plays in alloy material, composite compatilizer is in the interfacial tension reducing between component, play the stabilization in space, prevent the mutual reunion of PBT dispersed particle, make blend alloy better disperse mutually to move with more stable phase morphology structure direction toward producing, not only promoted warpage properties and the resistance to electric vestige performance of glass strengthening PBT, also retained its original physical strength.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. PBT engineering plastics, comprise the component of following weight percentage:
Wherein, described the first compatilizer is selected from one or more in acrylonitrile-butadiene-styrene copolymer, MBS terpolymer, ethylene-vinyl acetate copolymer, terpolymer EP rubber; Described the second compatilizer is selected from one or more in ASA-MAH, EVA-MAH, EPDM-MAH, PS-GMA, ASA-GMA, SAN-GMA, EPDM-GMA; Wherein, the glue content of described ASA is 20-60%.
2. PBT engineering plastics as claimed in claim 1, is characterized in that, also comprise that weight percentage is 3～15% SAN.
3. PBT engineering plastics as claimed in claim 2, is characterized in that, the weight percentage of described the first compatilizer is 2～10%, and each component percentage composition sum is 100%.
4. the PBT engineering plastics as described in claim 1,2 or 3, is characterized in that, the weight percentage of described the second compatilizer is 2～10%, and each component percentage composition sum is 100%.
5. PBT engineering plastics preparation method claimed in claim 1, comprises the steps:
Get the component of following weight percentage:
Wherein, described the first compatilizer is selected from one or more in acrylonitrile-butadiene-styrene copolymer, MBS terpolymer, ethylene-vinyl acetate copolymer, terpolymer EP rubber, described the second compatilizer is selected from Acrylate-styrene bipolymer-acrylonitrile terpolymer grafted maleic anhydride, vinyl-vinyl acetate copolymer grafted maleic anhydride, grafting maleic anhydride with ethylene propylene terpolymer, styrene-grafted glycidyl methacrylate, Acrylate-styrene bipolymer-acrylonitrile terpolymer grafting glycidyl ester, styrene-acrylonitrile copolymer grafting glyceral methacrylate, one or more in terpolymer EP rubber graft glycidyl methacrylate, wherein, the glue content of described ASA is 20-60%,
Described PBT, ASA, coupling agent, oxidation inhibitor and lubricant, the first compatilizer, the second compatilizer are mixed, obtain the first mixture;
Described the first mixture is extruded to processing, described, add described glass fibre in extruding treatment step, obtain PBT engineering plastics.
6. the application of the PBT engineering plastics as described in claim 1～4 any one in pluging connector or mechanical cover.
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102911487A (en) * | 2012-08-23 | 2013-02-06 | 上海金发科技发展有限公司 | Glass fiber reinforced polybutylece terephthalate (PBT)/acrylonitrile styrene acrylate (ASA) alloy material and preparation method thereof |
| CN103740068A (en) * | 2013-12-30 | 2014-04-23 | 安徽科聚新材料有限公司 | Low-warpage high glow wire flame-retardant glass fiber-reinforced composite material and preparation method thereof |
| CN104098878B (en) * | 2014-07-30 | 2016-03-30 | 苏州威瑞成新材料有限公司 | The weather-proof PBT/ASA alloy of high rigidity |
| CN104387711A (en) * | 2014-12-17 | 2015-03-04 | 天津金发新材料有限公司 | Ceramic fiber reinforced flame-retardant PBT/AS alloy and preparation method thereof |
| CN105419252A (en) * | 2015-11-19 | 2016-03-23 | 东莞市众一新材料科技有限公司 | PBT composite with low warping and high surface glossiness and preparation method thereof |
| CN105385121A (en) * | 2015-12-21 | 2016-03-09 | 上海锦湖日丽塑料有限公司 | Polyester composition used for nanometer injection molding and preparing method thereof |
| CN105440600A (en) * | 2015-12-21 | 2016-03-30 | 上海锦湖日丽塑料有限公司 | Low-warpage polyester composition suitable for nanometer injection molding and preparation method thereof |
| CN105400161A (en) * | 2015-12-25 | 2016-03-16 | 广东威林工程塑料有限公司 | Novel antibiosis and anti-warping reinforced PBT composite material and preparation method thereof |
| CN108047659B (en) * | 2017-11-21 | 2020-09-18 | 横店集团得邦工程塑料有限公司 | PBT/PC/ASA composite material and preparation method thereof |
| CN107987493A (en) * | 2017-12-20 | 2018-05-04 | 江阴市龙山合成材料有限公司 | A kind of automobile power source plug connector PBT and preparation method thereof |
| CN110819080A (en) * | 2018-08-07 | 2020-02-21 | 中国石油化工股份有限公司 | Flame-retardant reinforced PBT (polybutylene terephthalate) material composition, flame-retardant reinforced PBT material and preparation method thereof |
| CN111073233B (en) * | 2019-12-30 | 2022-09-27 | 浙江新力新材料股份有限公司 | High-toughness PBT (polybutylene terephthalate) composite material as well as preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1323330A (en) * | 1998-10-01 | 2001-11-21 | Basf公司 | Thermoplastic moulding materials ofr internal applications in a motor vehicle |
| CN102093677A (en) * | 2009-12-11 | 2011-06-15 | 第一毛织株式会社 | Glass fiber-reinforced polyester resin composition and molded product using the same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10003270A1 (en) * | 2000-01-26 | 2001-08-02 | Basf Ag | Stabilized fiber-reinforced thermoplastic molding compounds for automotive interior applications |
| CN101220198A (en) * | 2007-12-26 | 2008-07-16 | 深圳市科聚新材料有限公司 | Fiberglass reinforcing PBT alloy material and method for producing the same |
-
2011
- 2011-10-26 CN CN201110330480.4A patent/CN102504499B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1323330A (en) * | 1998-10-01 | 2001-11-21 | Basf公司 | Thermoplastic moulding materials ofr internal applications in a motor vehicle |
| CN102093677A (en) * | 2009-12-11 | 2011-06-15 | 第一毛织株式会社 | Glass fiber-reinforced polyester resin composition and molded product using the same |
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Effective date of registration: 20141211 Address after: 224000 Dongtai Economic Development Zone, Yancheng City, No. eight weft Road, No. 11, Jiangsu Patentee after: Jiangsu water novel material Science and Technology Ltd. Address before: 516023 Guangdong Province, Huizhou city Huicheng District Xiaojinkou town science and Technology Industrial Park Patentee before: Huizhou Wote Advanced Materials Co., Ltd. |