Polyolefin blends compatibilized with a diblock copolymer

Details Polyolefin blends compatibilized with a diblock copolymer Polyolefin blends compatibilized with a diblock copolymer

1997-06-23

2000-09-05

Wilson, Donald R.

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

Synthetic resins

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

525 95, 525240, C08L 5300, C08L 2304, C08L 2312

Patent

active

061144436

ABSTRACT:
The present invention is based on the discovery that diblock copolymers of ethylene and an atactic alpha-olefin that are prepared in the presence of a catalyst system comprising at least one metallocene compound and a non-coordinating anion are especially useful as compatibilizers with blends of polyethylene and isotactic poly-alpha-olefin homopolymers.

REFERENCES:
patent: 3487128 (1969-12-01), Okazaki et al.
patent: 3627852 (1971-12-01), Aishima et al.
patent: 3632674 (1972-01-01), Aishima et al.
patent: 4251646 (1981-02-01), Smith, Jr.
patent: 5147933 (1992-09-01), Koizumi et al.
patent: 5391629 (1995-02-01), Turner
Alger, "Polymer Science Dictionary", 2nd ed., Chapman & Hall, New York, pp. 31, 274 (1997).
Encyclopedia of Polymer Science and Engineering, vol. 6, Wiley & Sons, 1986, p. 455.

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