Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1990-11-05
1992-10-27
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
524548, 526263, C08F 428, C08F 2610, C08L 3906
Patent
active
051590344
ABSTRACT:
Free radical polymerization of monomers in the presence of t-amylperoxy pivalate as the free radical initiator is described. Copolymers of maleic anhydride and a vinyl monomer, e.g. a C.sub.1 -C.sub.5 alkyl vinyl ether, and water soluble polyvinylpyrrolidone, are representative polymers prepared in accordance with the process of the invention.
REFERENCES:
patent: 4604230 (1986-08-01), Goswami et al.
patent: 4652398 (1987-03-01), Goswami et al.
patent: 4692272 (1987-09-01), Goswami et al.
patent: 4816534 (1989-03-01), Nuber et al.
ISP Investments Inc.
Katz Walter
Maue Marilyn J.
Michl Paul R.
Szekely Peter
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