Biodegradable polymers

Details Biodegradable polymers Biodegradable polymers

C - Chemistry, Metallurgy

08

F

C08F 30/02 (2006.01) C08F 2/38 (2006.01) C08F 20/04 (2006.01)

Patent

CA 2510749

A phosphorus-containing polymer is provided comprising the reaction product of a chain-transfer agent having at least one pH bond with an unsaturated carboxylic, phosphonic or sulphonic acid. The invention also provides the aforementioned phosphorus-containing polymer further comprising phosphorus- containing end-caps. The polymers have a biodegradability of at least 20% per 28 days (as determined by OECD 306).

L'invention concerne un polymère contenant du phosphore qui renferme le produit de réaction d'un agent de transfert de chaîne possédant au moins une liaison P-H avec un acide carboxylique, phosphonique ou sulfonique non saturé. Cette invention a aussi pour objet le polymère contenant du phosphore susmentionné qui renferme également des capuchons contenant du phosphore. Ces polymères possèdent une biodégradabilité d'au moins 20 % pour 28 jours (telle que déterminée par OECD 306).

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