Compatibilized blends of a thermoplastic elastomer and a polyole

Details Compatibilized blends of a thermoplastic elastomer and a polyole Compatibilized blends of a thermoplastic elastomer and a polyole

1997-10-15

2000-04-25

Buttner, David

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

Synthetic resins

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

525 89, 525 92A, 525125, 525128, 525130, C08L 2312, C08L 7504

Patent

active

06054533&

ABSTRACT:
A compatibilized blend of a thermoplastic elastomer and a polyolefin. The compatibilizer is a thermoplastic polyurethane formed by the reaction of a substantially hydrocarbon intermediate such as a polybutadiene polyol, a diisocyanate such as MDI, and an amine or diol chain extender such as neopentyl glycol. The compatibilizer has high amounts of soft segments therein and imparts improved properties to blends of a thermoplastic elastomer and polyolefin such as good impact resistance, good tensile strength, good tear resistance, and good delamination resistance.

REFERENCES:
patent: 5242977 (1993-09-01), Franke
patent: 5358981 (1994-10-01), Southwick
patent: 5393843 (1995-02-01), Handlin, Jr. et al.
patent: 5405911 (1995-04-01), Handlin, Jr. et al.
patent: 5486570 (1996-01-01), St. Clair
patent: 5576388 (1996-11-01), St. Clair et al.
patent: 5589543 (1996-12-01), Yokelson et al.
patent: 5605961 (1997-02-01), Lee et al.

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