C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 9/00 (2006.01) C08J 9/34 (2006.01) C08L 25/04 (2006.01) C08L 25/06 (2006.01) E04B 1/74 (2006.01) C08L 33/06 (2006.01)
Patent
CA 2192168
Foamed articles having a closed cell structure formed from a polymer blend comprising at least 50 % by weight of a styrenic polymer and up to 50 % by weight of an acrylic polymer which has an average molecular weight which is less than 90 % of that of the styrenic polymer which are significantly less dense than such articles prepared from the styrenic polymer alone.
Articles en mousse possédant une structure cellulaire fermée et obtenus à partir d'un mélange de polymères composé au moins de 50 % en poids d'un polymère styrénique et de 50 % en poids maximum d'un polymère acrylique, dont le poids moléculaire moyen est inférieur à 90 % de celui du polymère styrénique. Ces articles sont considérablement moins denses que ceux qui sont préparés à partir du polymère styrénique seul.
Cross Bernard John
Smith Peter John
Imperial Chemical Industries Plc
Lucite International Uk Limited
Marks & Clerk
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