Biodegradable vinyl ester copolymers

Details Biodegradable vinyl ester copolymers Biodegradable vinyl ester copolymers

1994-03-08

1996-07-30

Smith, Jeffrey T.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526270, 526316, 526914, C08F 1604

Patent

active

055412750

ABSTRACT:
The invention provides biodegradable vinyl ester copolymers of one or more monomers selected from the group of vinyl esters of unbranched or branched alkylcarboxylic acids having from 1 to 18 carbon atoms, which contain from 0.1 to 40% by weight, based on the total weight of the copolymer, of one or more cyclic ketene acetals selected from the group consisting of 2-methylene-1,3-dioxepane, 2-methylene-1,3-dioxolane, 2-methylene-1,3-dioxane and have a molecular weight>50,000.

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patent: 5234978 (1993-08-01), Delrue et al.
Narajima, Advances in Chemistry Sierin 125, PICS "Fractionation of Tinear Polsethylene with Gel Permeation Chromatography" 1973.
Huang, S. J., Encyl. Polym. Sciences vol. 2, 220-243.
Bailey, W. J., Journal of Polym. Science: Polym. Chem. Ed., vol. 20, 3021-3030 (1982).
Suzuki, T., Journal of Applied Polym. Science: Applied Polym. Symposium 35 431-437 (1979).
Derwent Abstract-JP-A 02/214719.

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