Process for the production of expanded particles of a...

Details Process for the production of expanded particles of a... Process for the production of expanded particles of a...

C - Chemistry, Metallurgy

08

J

403/80

C08J 9/16 (2006.01) C08J 9/00 (2006.01) C08J 9/224 (2006.01)

Patent

CA 2024228

A process for the production of expanded resin particles is disclosed, wherein an aqueous dispersion containing expandable particles of a polyolefin resin is discharged at a temperature higher than the softening point of the resin from a high pressure condition to a low pressure condition to expand the expandable particles and wherein the expandable particles contain fine particles of an inorganic material coated with an agent selected from isopropyltriisostearic titanate, tetraoctadecyl titanate, acetoalkoxyaluminum diisopropylates, stearic acid, methyltrimethoxysilane, methyltriethoxysilane, ethyltriethoxysilane, phenyltriethoxysilane and vinyltriethoxysilane.

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