Increasing the molecular weight of polyamides

Details Increasing the molecular weight of polyamides Increasing the molecular weight of polyamides

C - Chemistry, Metallurgy

08

L

C08L 77/00 (2006.01) C08G 69/48 (2006.01) C08G 81/02 (2006.01) C08K 5/5333 (2006.01) C08L 63/00 (2006.01)

Patent

CA 2111905

An increase in the molecular weight of a polyamide or recycled polyamide can be achieved by blending said polyamide with a polyfunctional epoxy resin and a sterically hindered hydroxyphenylalkylphosphonic acid ester or half ester and heating the blend to above the melting point (glass transition temperature) of the polyamide.

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