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Application

97108457/04, 1997-05-22

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Start date

1997-05-22

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Actual filing date

1997-05-22

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Published

1999-11-10

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Inventor

Rakhmanov V.A.Topil'Skij G.V.Melikhov V.I.Levin L.I.Velichko E.G.Devjatov V.V.Rossovskij V.N.Kozlovskij A.I.

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Holder

Vserossijskij Federal'Nyj Nauchno-Issledovatel'Skij I Proektno-Konstruktorskij Tekhnologicheskij Institut Stroitel'Noj Industrii

METHOD OF PREPARING HEAT-INSULATING MATERIAL Russian patent published in 1999 - IPC

Abstract RU 2140937 C1

FIELD: building materials industry, more particularly preparation heat-insulating material used for insulation of building structures and products, refrigerators, cabins and bodies of automobiles, railroad cars and underground cars, ships and also packing material for industrial and domestic equipment. SUBSTANCE: method comprise preparing molding foamed compound by aerodynamic mixing of liquid composition based on carbide- formaldehyde resin with addition of modifier and water, and liquid composition based on hardener in the presence of compressed air to form stable foam. Products are then molded, maintained isothermally for 4.5-1.5 h at 10-35 C, and final products are packed. EFFECT: greater strength of final products and reduced content of free formaldehyde. 5 cl, 3 tbl

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RU 2 140 937 C1

Authors

Rakhmanov V.A.

Topil'Skij G.V.

Melikhov V.I.

Levin L.I.

Velichko E.G.

Devjatov V.V.

Rossovskij V.N.

Kozlovskij A.I.

Dates

1999-11-10—Published

1997-05-22—Filed

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