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2 247 103

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IPC

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Application

2003103648/02, 2003-02-06

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Start date

2003-02-06

(22)

Actual filing date

2003-02-06

(45)

Published

2005-02-27

(72)

Inventor

Kusakin Ju.N.Valeev N.S.Ustjuzhanin A.A.Zvereva I.G.Kutsenko G.V.Talalaev A.P.Baldin A.V.Novoselov N.I.

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Institut Polimernykh Materialov"

HEAT-RESISTANT WATERPROOFING COATING TO COAT SURFACE OF SOLID- FUEL BOREHOLE CHARGE AND COATING METHOD Russian patent published in 2005 - IPC

Abstract RU 2247103 C2

FIELD: explosives.

SUBSTANCE: invention relates to waterproofing materials for heat- and gas-generating solid-fuel borehole charges used for treatment of oil, injection, and gas wells in order to increase productivity and intended to protect surfaces of solid-fuel borehole charges against borehole fluids. Coating is composed of polydiene-urethane-epoxide oligomer rubber as binder, m-phenylenediamine as hardener, and carbon black or carbon black/silica powder mix as filler. Coating operation is accomplished by double immersion of charge into dilute composition and holding therein for 5-10 sec after each immersion.

EFFECT: widened temperature range of heat- and gas-generators, increased reliability of attachment coating to fuel, increased feasibility of coating operation, achieved complete combustion, and reduced price of heat- and gas-generator.

2 cl, 2 ex

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RU 2 247 103 C2

Authors

Kusakin Ju.N.

Valeev N.S.

Ustjuzhanin A.A.

Zvereva I.G.

Kutsenko G.V.

Talalaev A.P.

Baldin A.V.

Novoselov N.I.

Dates

2005-02-27—Published

2003-02-06—Filed