CN104788915B - A kind of weather-proof polybutylene terephthalate (PBT) composite and preparation method thereof - Google Patents
A kind of weather-proof polybutylene terephthalate (PBT) composite and preparation method thereof Download PDFInfo
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- CN104788915B CN104788915B CN201510181892.4A CN201510181892A CN104788915B CN 104788915 B CN104788915 B CN 104788915B CN 201510181892 A CN201510181892 A CN 201510181892A CN 104788915 B CN104788915 B CN 104788915B
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Abstract
The present invention discloses a kind of weather-proof polybutylene terephthalate (PBT) composite and preparation method thereof, this material, is made up of the component of following weight portion: polybutylene terephthalate (PBT) 88 93 parts, bisphenol A type epoxy resin 12 18 parts, polydimethylsiloxane 10 13 parts, hydroxypropyl methyl cellulose 8 10 parts, isocyanuric acid three-glycidyl ester 58 parts, epoxy propane butyl ether 35 parts, 26 parts of uncle 16 carbon mercaptan, methyl triacetoxysilane 1.5 2 parts and sagging inhibitor 0.05 1 parts.Present invention also offers the preparation method of this material.
Description
Technical field
The invention belongs to polymeric material field, particularly to a kind of weather-proof polybutylene terephthalate (PBT) composite
And preparation method thereof.
Background technology
Polymer composite goods are present in each field in current life, and it has wide range of applications, and such as should
For household electrical appliance, instrument and meter, electric wire, construction equipment, communication electronics, auto industry, office equipment and space flight and aviation
In field.
Polybutylene terephthalate (PBT) is a kind of common resins for universal use, the processing good, easy of its combination property and price
Relative moderate, is widely used in casing of domestic electrical equipment, electrical appliance, instrument and meter accessory, television set telephone case, ice
Case liners etc., under most of situations, these fields of employment are required to material and have certain mechanical strength and preferable weatherability
Energy.But rapidly, this will cause causing flexural deformation because inhomogeneous cooling is even in the crystallization of polybutylene terephthalate (PBT) simultaneously.
Summary of the invention
For above-mentioned demand, invention especially provides a kind of weather-proof polybutylene terephthalate (PBT) composite and
Its preparation method.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of weather-proof polybutylene terephthalate (PBT) composite, is made up of the component of following weight portion:
Described sagging inhibitor is one or both the mixing in sodium polyacrylate or tween；
The particle diameter of described hydroxypropyl methyl cellulose is 80-100 micron.
A kind of preparation method of weather-proof polybutylene terephthalate (PBT) composite, the method comprises the following steps:
(1) polybutylene terephthalate (PBT) 88-93 part, bisphenol A type epoxy resin 12-18 part, poly dimethyl silicon are weighed
Oxygen alkane 10-13 part, isocyanuric acid three-glycidyl ester 5-8 part, epoxy propane butyl ether 3-5 part, uncle 16 carbon mercaptan 2-6 part,
Methyl triacetoxysilane 1.5-2 part and sagging inhibitor 0.05-1 part；
(2) mix homogeneously in high-speed mixer put into by above-mentioned material, adds the hydroxypropyl methyl cellulose 8-of abundant ball milling
10 parts, adding in two-roll mill and carry out mixing 5-15 minute, melting temperature is 150-170 DEG C；
(3) material after mixing adding the charge door of double screw extruder, melt extrudes, pelletize, it is weather-proof poly-right to obtain
Benzene dicarboxylic acid butanediol ester composite.
Described double screw extruder one district temperature is 180-200 DEG C, and two district's temperature are 200-220 DEG C, and three district's temperature are
220-240 DEG C, four district's temperature are 240-250 DEG C, and five district's temperature are 230-240 DEG C.
The head temperature of described double screw extruder is 220-230 DEG C, and engine speed is 15-35HZ.
Compared with prior art, it has the beneficial effect that the present invention
(1) the weather-proof polybutylene terephthalate (PBT) composite that the present invention prepares is owing to adding bisphenol type epoxy
Resin, polydimethylsiloxane, hydroxypropyl methyl cellulose, isocyanuric acid three-glycidyl ester and epoxy propane butyl ether, make
It has, and mechanical strength is high, corrosion resistance and good, and has that conductivity is high, lightweight, tensile strength is high and the spy of life-span length
Point.
(2) the weather-proof polybutylene terephthalate (PBT) composite that the present invention prepares is owing to adding uncle 16 carbon mercaptan
And methyl triacetoxysilane, make the composite prepared use, different, the chemically stable remaining to keep good in environment
Property, heat stability and weatherability.
(3) the weather-proof polybutylene terephthalate (PBT) composite of the present invention, its preparation method is simple, it is easy to industrialization
Produce.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further illustrated.
Embodiment 1
(1) polybutylene terephthalate (PBT) 88kg, bisphenol A type epoxy resin 12kg, polydimethylsiloxane are weighed
10kg, isocyanuric acid three-glycidyl ester 5kg, epoxy propane butyl ether 3kg, uncle 16 carbon mercaptan 2kg, methyl triacetoxyl group
Silane 1.5kg and tween 0.05kg；
(2) mix homogeneously in high-speed mixer put into by above-mentioned material, adds the hydroxypropyl that particle diameter is 80 microns of abundant ball milling
Ylmethyl cellulose 8kg, adds in two-roll mill and carries out mixing 5 minutes, and melting temperature is 150 DEG C；
(3) material after mixing adding the charge door of double screw extruder, melt extrudes, pelletize, it is weather-proof poly-right to obtain
Benzene dicarboxylic acid butanediol ester composite；
Described double screw extruder one district temperature is 180 DEG C, and two district's temperature are 200 DEG C, and three district's temperature are 220 DEG C, 4th district
Temperature is 240 DEG C, and five district's temperature are 230 DEG C, and the head temperature of described double screw extruder is 220 DEG C, and engine speed is 15HZ.
The performance test results preparing weather-proof polybutylene terephthalate (PBT) composite is as shown in table 1.
Embodiment 2
(1) polybutylene terephthalate (PBT) 88kg, bisphenol A type epoxy resin 12kg, polydimethylsiloxane are weighed
10kg, isocyanuric acid three-glycidyl ester 8kg, epoxy propane butyl ether 3kg, uncle 16 carbon mercaptan 2kg, methyl triacetoxyl group
Silane 1.5kg and tween 0.05kg；
(2) mix homogeneously in high-speed mixer put into by above-mentioned material, adds the hydroxypropyl that particle diameter is 80 microns of abundant ball milling
Ylmethyl cellulose 8kg, adds in two-roll mill and carries out mixing 5 minutes, and melting temperature is 150 DEG C；
(3) material after mixing adding the charge door of double screw extruder, melt extrudes, pelletize, it is weather-proof poly-right to obtain
Benzene dicarboxylic acid butanediol ester composite；
Described double screw extruder one district temperature is 180 DEG C, and two district's temperature are 200 DEG C, and three district's temperature are 220 DEG C, 4th district
Temperature is 240 DEG C, and five district's temperature are 230 DEG C, and the head temperature of described double screw extruder is 220 DEG C, and engine speed is 15HZ.
The performance test results preparing weather-proof polybutylene terephthalate (PBT) composite is as shown in table 1.
Embodiment 3
(1) polybutylene terephthalate (PBT) 93kg, bisphenol A type epoxy resin 18kg, polydimethylsiloxane are weighed
13kg, isocyanuric acid three-glycidyl ester 8kg, epoxy propane butyl ether 5kg, uncle 16 carbon mercaptan 6kg, methyl triacetoxyl group
Silane 2kg and tween 1kg；
(2) mix homogeneously in high-speed mixer put into by above-mentioned material, adds the hydroxypropyl that particle diameter is 100 microns of abundant ball milling
Ylmethyl cellulose 10kg, adds in two-roll mill and carries out mixing 15 minutes, and melting temperature is 170 DEG C；
(3) material after mixing adding the charge door of double screw extruder, melt extrudes, pelletize, it is weather-proof poly-right to obtain
Benzene dicarboxylic acid butanediol ester composite；
Described double screw extruder one district temperature is 200 DEG C, and two district's temperature are 220 DEG C, and three district's temperature are 240 DEG C, 4th district
Temperature is 250 DEG C, and five district's temperature are 240 DEG C, and the head temperature of described double screw extruder is 230 DEG C, and engine speed is 35HZ.
The performance test results preparing weather-proof polybutylene terephthalate (PBT) composite is as shown in table 1.
Embodiment 4
(1) polybutylene terephthalate (PBT) 93kg, bisphenol A type epoxy resin 18kg, polydimethylsiloxane are weighed
13kg, isocyanuric acid three-glycidyl ester 8kg, epoxy propane butyl ether 5kg, uncle 16 carbon mercaptan 6kg, methyl triacetoxyl group
Silane 2kg and sodium polyacrylate 1kg；
(2) mix homogeneously in high-speed mixer put into by above-mentioned material, adds the hydroxypropyl that particle diameter is 100 microns of abundant ball milling
Ylmethyl cellulose 10kg, adds in two-roll mill and carries out mixing 15 minutes, and melting temperature is 170 DEG C；
(3) material after mixing adding the charge door of double screw extruder, melt extrudes, pelletize, it is weather-proof poly-right to obtain
Benzene dicarboxylic acid butanediol ester composite；
Described double screw extruder one district temperature is 200 DEG C, and two district's temperature are 220 DEG C, and three district's temperature are 240 DEG C, 4th district
Temperature is 250 DEG C, and five district's temperature are 240 DEG C, and the head temperature of described double screw extruder is 230 DEG C, and engine speed is 35HZ.
The performance test results preparing weather-proof polybutylene terephthalate (PBT) composite is as shown in table 1.
Embodiment 5
(1) polybutylene terephthalate (PBT) 90kg, bisphenol A type epoxy resin 15kg, polydimethylsiloxane are weighed
12kg, isocyanuric acid three-glycidyl ester 6kg, epoxy propane butyl ether 4kg, uncle 16 carbon mercaptan 4kg, methyl triacetoxyl group
Silane 1.5kg and sodium polyacrylate 0.5kg；
(2) mix homogeneously in high-speed mixer put into by above-mentioned material, adds the hydroxypropyl that particle diameter is 90 microns of abundant ball milling
Ylmethyl cellulose 9kg, adds in two-roll mill and carries out mixing 10 minutes, and melting temperature is 160 DEG C；
(3) material after mixing adding the charge door of double screw extruder, melt extrudes, pelletize, it is weather-proof poly-right to obtain
Benzene dicarboxylic acid butanediol ester composite；
Described double screw extruder one district temperature is 190 DEG C, and two district's temperature are 210 DEG C, and three district's temperature are 230 DEG C, 4th district
Temperature is 245 DEG C, and five district's temperature are 235 DEG C, and the head temperature of described double screw extruder is 225 DEG C, and engine speed is 20HZ.
The performance test results preparing weather-proof polybutylene terephthalate (PBT) composite is as shown in table 1.
Comparative example
Weigh polybutylene terephthalate (PBT) 90kg, polydimethylsiloxane 12kg, isopropanol 8kg, silicon dioxide 8g
With sodium polyacrylate 0.5kg, mix homogeneously, add in double screw extruder, melt extrude, pelletize, obtain poly terephthalic acid
Butanediol ester material, wherein said double screw extruder one district temperature is 180, and two district's temperature are 200, and three district's temperature are 22 DEG C,
Four district's temperature are 230.
Table 1
The invention is not restricted to embodiment here, those skilled in the art are according to the announcement of the present invention, without departing from the present invention
Improvement and amendment that category is made all should be within protection scope of the present invention.
Claims (6)
1. a weather-proof polybutylene terephthalate (PBT) composite, it is characterised in that be made up of the component of following weight portion:
Polybutylene terephthalate (PBT) 88-93 part,
Bisphenol A type epoxy resin 12-18 part,
Polydimethylsiloxane 10-13 part,
Hydroxypropyl methyl cellulose 8-10 part,
Isocyanuric acid three-glycidyl ester 5-8 part,
Epoxy propane butyl ether 3-5 part,
Uncle 16 carbon mercaptan 2-6 part,
Methyl triacetoxysilane 1.5-2 part,
Sagging inhibitor 0.05-1 part.
The most weather-proof polybutylene terephthalate (PBT) composite, it is characterised in that described anti-settling
Agent is one or both the mixing in sodium polyacrylate or tween.
The most weather-proof polybutylene terephthalate (PBT) composite, it is characterised in that described hydroxypropyl
The particle diameter of methylcellulose is 80-100 micron.
4. the preparation method of a weather-proof polybutylene terephthalate (PBT) composite, it is characterised in that the method include with
Lower step:
(1) polybutylene terephthalate (PBT) 88-93 part, bisphenol A type epoxy resin 12-18 part, polydimethylsiloxane are weighed
10-13 part, isocyanuric acid three-glycidyl ester 5-8 part, epoxy propane butyl ether 3-5 part, uncle 16 carbon mercaptan 2-6 part, methyl
Triacetoxysilane 1.5-2 part and sagging inhibitor 0.05-1 part；
(2) mix homogeneously in high-speed mixer put into by above-mentioned material, adds hydroxypropyl methyl cellulose 8-10 part of abundant ball milling,
Adding in two-roll mill and carry out mixing 5-15 minute, melting temperature is 150-170 DEG C；
(3) material after mixing is added the charge door of double screw extruder, melt extrudes, pelletize, obtain weather-proof poly-to benzene two
Formic acid butanediol ester composite.
The preparation method of weather-proof polybutylene terephthalate (PBT) composite the most according to claim 4, its feature exists
In, described double screw extruder one district temperature is 180-200 DEG C, and two district's temperature are 200-220 DEG C, and three district's temperature are 220-240
DEG C, four district's temperature are 240-250 DEG C, and five district's temperature are 230-240 DEG C.
The preparation method of weather-proof polybutylene terephthalate (PBT) composite the most according to claim 4, its feature exists
In, the head temperature of described double screw extruder is 220-230 DEG C, and engine speed is 15-35HZ.
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| CN105802158B (en) * | 2016-05-24 | 2019-02-22 | 江西中聚宏新材料科技有限公司 | A kind of PET/PBS alloy and preparation method thereof |
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Effective date of registration: 20190328 Address after: 215562 Xinzhong Village, Xinzhuang Town, Changshu City, Jiangsu Province Patentee after: Suzhou Bochi New Materials Co., Ltd. Address before: 215299 Jiangsu, Suzhou, Wujiang, Songling Town, Lao Wu along the roadside. Patentee before: Suzhou Jing Yu novel material company limited |
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Effective date of registration: 20210803 Address after: 239000 Economic Development Zone, Quanjiao County, Chuzhou City, Anhui Province (factory of Chuzhou Xinyi Machinery Co., Ltd.) Patentee after: Anhui weipuda Material Technology Co.,Ltd. Address before: 215562 Xinzhong Village, Xinzhuang Town, Changshu City, Jiangsu Province Patentee before: Suzhou Bochi New Materials Co.,Ltd. |
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