Process for the production of light resistant polyvinyl...

C - Chemistry – Metallurgy – 08 – L

Patent

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154/111, 400/923

C08L 29/04 (2006.01) B32B 17/10 (2006.01) C03C 27/10 (2006.01) C08K 5/00 (2006.01) C08K 5/16 (2006.01) C08K 5/49 (2006.01) C08K 5/524 (2006.01) C08K 5/5333 (2006.01)

Patent

CA 1266740

ABSTRACT OF THE DISCLOSURE It is proposed to add to laminated safety glasses with intermediate layers of polyvinyl butyral foils with contents of phenolic stabilisers and contents of phosphorous acid triesters or phosphonous acid diesters, additional UV absorbers for the removal of yellowing over a longer period of use.

470549

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