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2 069 143

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IPC

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Application

94012730/08, 1994-04-12

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Actual filing date

1994-04-12

(45)

Published

1996-11-20

(72)

Inventor

Agich A.A.Okladskaja N.Ja.Zakharova T.S.Ripko G.N.Rogov N.G.Kuz'Mitskij G.Eh.Mikov A.I.Sesjunin S.G.

(73)

Holder

Spetsial'Noe Konstruktorsko-Tekhnologicheskoe Bjuro Sankt-Peterburgskogo Gosudarstvennogo Tekhnologicheskogo Instituta

ABRASIVE POLYURETHANE COMPOSITION FOR POROUS POLISHING- GRINDING TOOLS Russian patent published in 1996 - IPC

Abstract RU 2069143 C1

FIELD: manufacture of porous elastic tools. SUBSTANCE: claimed composition comprises abrasive filler; polyurethane binder based on hydroxyl containing oligomeric polyester, e.g. polyfurite, diatomic alcohol, e.g. diethylene glycol or triethylene glycol, triatomic alcohol, e.g. glycerol or trimethylol ethane; polyisocyanate, e.g. toluylene diisocyanate, diphenylmethane diisocyanate; gas generator such as inorganic salt crystal hydrate; surfactant, e. g. polyorganosiloxane-polyoxyalkylene block copolymer, and silicon fluid. EFFECT: improved properties of the composition. 2 cl, 1 tbl

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RU 2 069 143 C1

Authors

Agich A.A.

Okladskaja N.Ja.

Zakharova T.S.

Ripko G.N.

Rogov N.G.

Kuz'Mitskij G.Eh.

Mikov A.I.

Sesjunin S.G.

Dates

1996-11-20—Published

1994-04-12—Filed

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