Soft touch polyolefin compositions

Details Soft touch polyolefin compositions Soft touch polyolefin compositions

2005-09-27

2005-09-27

Nutter, Nathan M. (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...

C525S240000

Reexamination Certificate

active

06949605

ABSTRACT:
The present invention provides a soft touch soft touch thermoplastic olefin composition. The soft touch thermoplastic olefin composition comprises a polypropylene-ethylene copolymer and a cross-linked or uncross-linked ethylene-propylene thermoplastic elastomer. The thermoplastic elastomer is present in a sufficient amount that the soft touch thermoplastic olefin composition has a 1% flexural secant modulus from about from about 10,000 psi to about 80,000 psi.

REFERENCES:
patent: 5314746 (1994-05-01), Johnson et al.
patent: 5587436 (1996-12-01), Klimek et al.
patent: 5705576 (1998-01-01), Buehler et al.
patent: 5747592 (1998-05-01), Huff et al.
patent: 6207754 (2001-03-01), Yu
patent: 6498214 (2002-12-01), Laughner et al.

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