Thermoplastic elastomer resin

Details Thermoplastic elastomer resin Thermoplastic elastomer resin

2007-01-02

2007-01-02

Acquah, Samuel A. (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C528S190000, C528S194000, C528S195000, C528S206000, C528S298000, C528S300000, C528S301000, C528S302000, C528S307000, C528S308000, C528S308600, C528S310000, C525S437000, C525S443000, C525S444000, C525S450000, C525S534000, C525S540000

Reexamination Certificate

active

10539582

ABSTRACT:
The present invention relates to a thermoplastic elastomer resin which has good melt viscosity, melt tension, and thermal resistance, wherein it is prepared by introducing a chain extender and a stabilizer for hydrolysis to a thermoplastic elastomer resin produced through melt polymerization in the presence of hydroxy carboxylic acid compound and subjecting the mixture to reactive extrusion to increase the molecular weight and crosslinking degree of the elastomer resin. The thermoplastic elastomer resin according to the present invention has good properties for automobile parts, particularly constant velocity joint boots and bellows.

REFERENCES:
patent: 3723568 (1973-03-01), Hoeschele
patent: 4071503 (1978-01-01), Thomas et al.
patent: 5733986 (1998-03-01), Senda et al.
patent: 0357193 (1990-03-01), None
patent: 0357194 (1990-03-01), None
patent: 60-090249 (1985-05-01), None
patent: 04-285631 (1992-10-01), None

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