Heat conductive flame-retarding polybutylene terephthalate and preparation method thereof

A polybutylene terephthalate and flame retardant technology, which is applied in the field of polybutylene terephthalate and its preparation, can solve the problem that polybutylene terephthalate flame retardant materials do not have the Thermal conductivity, thermal conductivity of polybutylene terephthalate resin has not been improved, no thermal conductivity, etc., to achieve the effects of good mechanical properties, low viscosity of the system, and excellent thermal conductivity
CN101358022AActive Publication Date: 2009-02-04GUANGDONG SILVER AGE SCI & TECH CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
GUANGDONG SILVER AGE SCI & TECH CO LTD
Publication Date
2009-02-04

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Abstract

The invention discloses heat-conductive flame-retardant valox and a preparation method thereof. According to the portion by weight, the heat-conductive flame-retardant valox contains 74.5 to 81.7 portions of valox, 15 to 20 portions of heat-conductive flame retardant, and 3 to 5 portions of compatilizer and antioxidizer. The preparation method is as follows: the components are mixed evenly, and then are treated by the processes of extrusion, traction and granulation at 240 to 260 DEG C to produce the heat-conductive flame-retardant valox. Oligomeric resorcinol (diphenylphosphate) is oil-soluble, amphiphilic polyethylene glycol 6000 monostearate can be assembled and coated through van der Waals interaction force under shear condition, ether bond and terminal hydroxy group on the main chain of polyethylene glycol 6000 monostearate can be complexed with magnesia to produce the heat-conductive flame retardant, thus the valox has good thermal conductivity and flame retardant properties.
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Description

technical field

[0001] The present invention relates to polybutylene terephthalate, in particular to polybutylene terephthalate with thermal conductivity and flame retardancy and a preparation method thereof, the polybutylene terephthalate with thermal conductivity and flame retardancy can be used Used as heat-conducting and flame-retardant plastic parts. Background technique

[0002] Polybutylene terephthalate (PBT) thermoplastic engineering plastics was industrialized in the 1970s. It is the latest and fastest-growing variety of general engineering plastics. The water absorption rate of PBT is only 0.07%, there is no side chain in the molecule, the structure is symmetrical, it is easy to pack tightly, the crystallization speed is fast, it has a high degree of crystallinity (crystallinity can reach 40%) and high melting temperature. The high geometric regularity and rigidity of PBT molecules make the polymer have high mechanical strength. For example, the tensile strength ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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