C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 9/06 (2006.01) B29B 9/12 (2006.01) B29C 41/00 (2006.01) B29C 41/04 (2006.01) B29C 41/22 (2006.01) B29C 44/04 (2006.01) B29C 44/44 (2006.01) B29C 44/54 (2006.01) C08J 9/232 (2006.01)
Patent
CA 2215253
Foamed rotationally molded articles and methods of manufacture are disclosed. The articles are prepared based upon inclusion of blowing agents in micro- pellets. The articles and the method for making them, display improved cell structure and uniformity leading to improved and generally uniform properties of the article, including for instance, insulation values and impact resistance.
La présente invention concerne des articles expansés moulés par rotation ainsi que leur procédé de fabrication. On prépare ces articles en introduisant des agents gonflants dans des micro-pastilles. Ces articles fabriqués selon ce procédé possèdent une structure cellulaire et une uniformité améliorées qui conduisent à des propriétés améliorées et généralement uniformes de l'article, y compris par exemple les valeurs d'isolation et la résistance aux chocs.
Anderson Michel
Schram Calvin K.
Borden Ladner Gervais Llp
Exxon Chemical Patents Inc.
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