Degradable films

Details Degradable films Degradable films

C - Chemistry, Metallurgy

08

K

C08K 5/09 (2006.01) C08J 5/18 (2006.01) C08K 3/22 (2006.01) C08K 5/098 (2006.01) C09K 17/00 (2006.01)

Patent

CA 2074578

There is a need for degradable films, particularity in agricultural mulch applications. The present invention provides for films having a controlled life from 30 to 160 days. The film comprises photodegradable sheet material having a thickness from 0.1 to 10, preferably, from 0.2 to 5, most preferably from 0.3 to 1.0, mils and comprising a polyolefin sheet and from 50 to 1,000 parts per million of cerium salt of a C16-20 fatty acid and from 1,000 to 20,000 parts per million of titanium dioxide having a particle size less than 0.05 microns.

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