Macro-azo initiator

Details Macro-azo initiator Macro-azo initiator

1997-09-08

1998-04-28

Zitomer, Fred

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

5262181, 526255, 5263171, 526319, 526341, 526346, 534588, 534595, C08F 404

Patent

active

057445591

ABSTRACT:
A macro-azo initiator obtained by reacting a compound (A) having an azo group in the molecule and having a reactive functional group at each end of the molecule with a compound (B) having an azo group in the molecule and having at each end of the molecule a functional group reactive with the reactive functional groups of the compound (A), is effective for a polymerization process of one or more vinyl monomers and a production process of a block polymer.

REFERENCES:
patent: 3763129 (1973-10-01), Sheppard
patent: 3863359 (1975-02-01), Sheppard
patent: 3956269 (1976-05-01), Sheppard
patent: 5010177 (1991-04-01), Lai
patent: 5010178 (1991-04-01), Lai
patent: 5010179 (1991-04-01), Lai
patent: 5037963 (1991-08-01), Lai
Abstract of U.S. Patent No. 3,987,024.
Abstract of U.S. Patent No. 4,075,286.
Abstract of DE-OS 1,940,473.

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