Filler of silanated calcium carbonate pre-treated with...

C - Chemistry – Metallurgy – 08 – K

Patent

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Details

6/216, 400/5309,

C08K 3/26 (2006.01) C08K 3/34 (2006.01) C08K 5/54 (2006.01) C08K 9/06 (2006.01) C08L 83/04 (2006.01) C09C 1/02 (2006.01) C09C 3/00 (2006.01)

Patent

CA 1193380

ABSTRACT This invention relates to a method for producing novel filler compositions to improve the properties of natural and synthetic resins which consist of calcium carbonate, sodium silicate and organosilane coupling agents by pretreating calcium carbonate with soluble sodium silicate, thereby tranforming the silane-unresponsive calcium carbonate into a silane responsive filler.

392723

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