Graft copolymer, process for production thereof, and plasticizer

Details Graft copolymer, process for production thereof, and plasticizer Graft copolymer, process for production thereof, and plasticizer

1993-07-15

1995-01-31

Clark, W. Robinson N.

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

Synthetic resins

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

525 59, 525286, 525302, C08L 2904

Patent

active

053859740

ABSTRACT:
A novel graft copolymer having a number-average molecular weight of about 1,500 to about 1,000,000, produced by graft-copolymerizing an alkylene oxide and a cyclic ester to a saponified ethylene-saturated carboxylic acid vinyl ester copolymer; a process for production thereof; and a plasticizer comprising said graft copolymer as the active component.

REFERENCES:
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patent: 3106543 (1963-10-01), Milne
patent: 3738975 (1973-06-01), Bristol
patent: 3800006 (1974-03-01), Katayama et al.
patent: 4104453 (1978-08-01), Broering et al.
R. Endo et al., "Solution Behavior of [(Ethylene-co-Vinyl Alcohol)-g-Ethylene Oxide] Graft Copolymers", Journal of Polymer Science: Polymer Physics Edition, vol. 17, Jan. 197, pp. 645-654.
"Kokbunshi Ronbunshu", vol. 36, No. 7, Jan. 1979, pp. 489-494 with English-Language Abstract. No translation for full document.
G. A. Estina et al., "Non-Catalysed Oligomerziation of .epsilon.-Caprolactone in the Presence of Diols", Polymer Science U.S.S.R. vol. 31, No. 4, Jan. 1989, pp. 920-926.

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