Lustrous fireproof butanediol terephthalate
By designing high-gloss, rapid prototyping flame-retardant reinforced polybutylene terephthalate composites and their preparation methods, the problems of flame retardant precipitation and poor gloss have been solved, and efficient molding and environmentally friendly flame-retardant materials have been achieved to meet the needs of meet the environmental protection requirements of the European market.
Patent Information
- Application Number
- CN00124686.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2000-09-28
- Publication Date
- 2001-08-29
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Existing flame-retardant reinforced polybutylene terephthalate is prone to high-temperature precipitation of the flame retardant during molding and processing, resulting in whitening of the surface of the product, corrosion of the mold, poor gloss, slow crystallization speed, low production efficiency, and decabromide. Diphenyl ether is restricted for use in Europe.
It adopts high-gloss, rapid prototyping flame-retardant reinforced polybutylene terephthalate compound, which consists of polybutylene terephthalate, benzylphenoxybenzene fluorobromide, polyether, and saturated carboxyl. The acid salt and glass fiber are prepared through a twin-screw extruder with high-speed mixing and precise metering of feed. The temperature and feeding device are controlled to form a high-gloss, rapid prototyping material.
It achieves uniform distribution of flame retardants, avoids floating fibers, significantly improves gloss and production efficiency, and meets the environmental protection requirements of the European market. The products have excellent mechanical properties and flame retardant properties.