POLYMER COMPOSITION FOR PRODUCING SILICON CARBIDE Russian patent published in 2016 - IPC C01B31/36 C08J5/08 C04B35/565 C04B35/571 C04B35/573 C04B38/00 

Abstract RU 2605257 C1

FIELD: chemistry.

SUBSTANCE: invention relates to chemical industry for producing heat-resistant highly porous articles from silicon carbide, which are used as filters, heat insulation, absorbents. Polymer composition for producing silicon carbide of stoichiometric composition in form of finished porous articles contains powdered phenol binder based on novolac phenol-formaldehyde resin and urotropin, lubricant in form of zinc stearine or zinc stearate, and a silicon dioxide support, in form of ground quartz fibre from industrial wastes of their production, in following ratio of components, wt%: ground quartz fibre - 45.2-48.7; phenol binder - 46.1-52.0; lubricant - 2.0-5.5.

EFFECT: invention widens raw material sources for producing silicon carbide, improves chemical purity of finished product, as well as rational use of industrial wastes for production of quartz fibre.

1 cl, 1 tbl, 5 ex

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RU 2 605 257 C1

Authors

Shembel Nelli Leonidovna

Simonov-Emeljanov Igor Dmitrievich

Simonenko Elizaveta Petrovna

Simonenko Nikolaj Petrovich

Kuznetsov Nikolaj Timofeevich

Sevastjanov Vladimir Georgievich

Dates

2016-12-20Published

2015-09-11Filed