Process for preparing hydrophobic particulate solids containing

Details Process for preparing hydrophobic particulate solids containing Process for preparing hydrophobic particulate solids containing

1989-11-24

1991-10-15

Dixon, Jr., William R.

Compositions: coating or plastic

Coating or plastic compositions

Coating repellent

10628712, 10628715, 523212, 523213, 428405, 427219, C09K 318

Patent

active

050571516

ABSTRACT:
The invention relates to a process for rendering particulate solids containing Si-OH groups hydrophobic which comprises reacting a water repellent containing an organo-silicon compound with particulate solids containing Si-OH groups with simultaneous mechanical loading of the reaction mixture, in which from 5 to 50 percent by weight of the particulate solids containing Si-OH groups are used, based on the total weight of the reaction mixture containing particulate solids and water repellent, and the use of the resultant hydrophobic particulate solids in compositions containing diorganopolysiloxanes, which can be cured to form elastomers.

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patent: 4849022 (1989-07-01), Kobayashi et al.
Dialog Abstract of DE 2,728,490.

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