POLYMER COMPOSITION BASED ON PHENOL-FORMALDEHYDE RESIN FOR MAKING HOLLOW MICRO-SPHERES Russian patent published in 2008 - IPC C08L61/10 B01J13/02

Abstract RU 2331657 C1

FIELD: chemistry.

SUBSTANCE: composition is used for making hollow micro-spheres, which are used as a component of boring solutions when finding and producing oil, as low density filler in various composite materials, used in machine building, aviation and ship building, space technology, and when making heat insulation materials. The composition contains the following, in the given mass ratios: resol phenol-formaldehyde resin with relative viscosity of 5000-9000 cP - 100, porofor (5), polyether based on ethylene oxide copolymer and propylene oxide with molecular mass of 4000-6000 (2-3).

EFFECT: higher space factor of the boring solution micro-spheres, improved looseness of the micro-spheres, increased strength during hydrostatic compression.

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RU 2 331 657 C1

Authors

Manushin Dmitrij Vladislavovich

Telegina Ekaterina Borisovna

Dates

2008-08-20—Published

2007-05-10—Filed