Compositions of irradiated and non-irradiated olefin polymer mat

Details Compositions of irradiated and non-irradiated olefin polymer mat Compositions of irradiated and non-irradiated olefin polymer mat

1993-07-15

1996-04-16

Seccuro, Jr., Carman J.

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

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

525 88, 525 89, 525240, 522157, 522158, 522161, C08J 328, C08L 2310, C08L 2316, C08L 2304, C08L 5300

Patent

active

055083188

ABSTRACT:
Disclosed is a polyolefin composition comprising (A) an irradiated, normally solid, high molecular weight, amorphous to predominantly crystalline olefin polymer material and (B) a non-irradiated propylene polymer material or a mixture thereof with an olefin copolymer rubber.
The polyolefin composition of this invention also provides improved retention of embossing definition commonly referred to as grain retention, when the composition is extruded and embossed, with or without subsequently thermoforming.

REFERENCES:
patent: 3717559 (1973-02-01), Oyama et al.
patent: 4170664 (1979-10-01), Spenadel et al.
patent: 4626467 (1986-12-01), Hostetter
patent: 4916198 (1990-04-01), Scheve et al.
patent: 5047446 (1991-09-01), DeNicola, Jr.
patent: 5047485 (1991-09-01), DeNicola, Jr.
patent: 5116881 (1992-05-01), Park et al.
patent: 5212246 (1993-05-01), Ogale
patent: 5286552 (1994-02-01), Lesca et al.
patent: 5286564 (1994-02-01), Cecchin et al.
L. Spenadel, "Radiation Crosslinking of Polymer Blends", Radiat. Phys. Chem. vol. 14, pp. 683-697, 1979, discloses radiation crosslinking of ethylene-propylene/polyolefin blends.

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