C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 83/04 (2006.01) C08J 3/21 (2006.01) C08J 3/22 (2006.01) C08K 3/00 (2006.01) C08K 3/34 (2006.01) C08K 9/06 (2006.01)
Patent
CA 2225193
A silicone polymer/solid premix may be prepared by incorporating into (A) a mixture comprising (a) 50 to 100 parts by weight of at least one polyorganosiloxane containing up to 5 mol % of crosslinkable groups, and (b) 5 to 200 parts by weight of at least one readily volatile organosilicon compound containing no hydrolyzable groups, 100 to 500 parts by weight of (B) a solid, thereby forming a composition; removing (b) said organosilicon compound (b) from said composition; and then subjecting said composition to mechanical stress.
Prémélange de polymère de silicone et d'un solide, préparé par incorporation dans (A) un mélange renfermant (a) 50 à 100 parties en poids d'au moins un polyorganosiloxane renfermant jusqu'à 5 % en moles de groupes réticulables, et (b) 5 à 200 parties en poids d'au moins un composé organosilicié volatil, ne renfermant pas de groupe hydrolysable, 100 à 500 parties d'un solide (B), de façon à obtenir une composition; le composé organosilicié est ensuite séparé (b) de cette composition (b); enfin, cette dernière est soumise à une contrainte mécanique.
Schickmann Harald
Schoeley Peter
Winkler Ralf
Huels Silicone Gmbh
Swabey Ogilvy Renault
Wacker-Chemie Gmbh
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