Photodegradation and heat-seal agents for matrix resins or...

Details Photodegradation and heat-seal agents for matrix resins or... Photodegradation and heat-seal agents for matrix resins or...

C - Chemistry, Metallurgy

08

K

400/5152, 400/70

C08K 3/22 (2006.01) C08K 3/00 (2006.01) C08L 23/02 (2006.01) C08L 101/00 (2006.01)

Patent

CA 2006376

ABSTRACT A mixture of the anatase form of TiO2 and a photodegradation polymer containing carbonyl groups along the polymer chain (especially an ethylene copolymer) synergistically enhances the photodegradation rate of polymeric matrix materials. Other additives such as rutile TiO2 and/or other UV-sensitive or UV- absorbent or UV-stabilizing materials can be present to regulate the photodegradation rate. Furthermore, the presence of TiO2 having an acid surface and said CO-containing polymer extends the heat seal temperature range of heat-sealable polymeric matrix material. 36,159-F

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