Polymer production

Details Polymer production Polymer production

1994-06-13

1995-02-07

Lipman, Bernard

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

Synthetic resins

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

525272, 525299, 525309, 525314, 525323, 525324, 5253317, 5253337, 525366, C08F 842

Patent

active

053876490

ABSTRACT:
Novel metallated polyolefins are produced by contacting a polyolefin having a vinylidene group in the terminal portion with organoalkali metal compound in the presence of alkali metal t-alkoxide or tertiary amine. The metallated polyolefin is used to initiate the polymerization of polymerizable monomers to produce block copolymers of at least two blocks, at least one of which is saturated polyolefin.

REFERENCES:
patent: 3632678 (1972-01-01), Ehrig et al.
patent: 4078019 (1978-03-01), Langer, Jr.
patent: 4480075 (1984-10-01), Willis
patent: 4761456 (1988-08-01), Lund et al.
Kogyo Kagaku Zasshi, 74(3), 481-4, 1971.

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