Sustainable poly(vinyl chloride) mixtures for flooring products

C - Chemistry – Metallurgy – 08 – L

Patent

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Details

C08L 27/06 (2006.01) B32B 19/02 (2006.01) B32B 27/30 (2006.01) B65D 85/46 (2006.01) C08J 3/02 (2006.01) C08K 5/12 (2006.01) C08K 5/541 (2006.01)

Patent

CA 2729321

A mixture of poly(vinyl chloride) and epoxidized methyl soyate is disclosed. The epoxidized methyl soyate as a plasticizer replaces butyl benzyl phthalate which is conventionally used for the manufacture of multi-layer laminate sheet flooring or single layer tile flooring. The epoxidized methyl soyate, a bio-plasticizer, unexpectedly is a "drop-in" replacement for the butyl benzyl phthalate, both in terms of processing and performance. Also poly(vinyl chloride) - epoxidized methyl soyate mixtures have much better heat stability than poly(vinyl chloride) - butyl benzyl phthalate mixtures.

L'invention porte sur un mélange de poly(chlorure de vinyle) et de soyate de méthyle époxydé. Le soyate de méthyle époxydé remplace en tant que plastifiant le phtalate de butyle et de benzyle qui est classiquement utilisé pour la fabrication d'un revêtement de sol en feuille stratifiée multicouche ou d'un revêtement de sol en carreaux monocouche. Le soyate de méthyle époxydé, un plastifiant biologique, est de façon inattendue un produit de substitution pour le phtalate de butyle et de benzyle, à la fois en termes de traitement et defficacité. De plus, les mélanges de poly(chlorure de vinyle)soyate de méthyle époxydé ont une bien meilleure stabilité à la chaleur que les mélanges de poly(chlorure de vinyle)phtalate de butyle et de benzyle.

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