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2 123 502

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C1

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IPC

(21) (22)

Application

97120915/04, 1997-12-01

(22)

Actual filing date

1997-12-01

(45)

Published

1998-12-20

(72)

Inventor

Tenisheva O.B.

(73)

Holder

Tenisheva Ol'Ga BorisovnaZakrytoe Aktsionernoe ObshchestvoOtkrytoe Aktsionernoe Obshchestvo Institut Plasticheskikh Mass Im.G.S.Petrova"

BINDING AGENT Russian patent published in 1998 - IPC

Abstract RU 2123502 C1

FIELD: building materials. SUBSTANCE: binding agent has liquid resol phenolic resin obtained by interaction of diphenylolpropane with formaldehyde in the presence of alkaline metal hydroxide. Binding agent can contain additionally aluminium powder and a surface-active substance. Binding agent has small amount of free formaldehyde being the latter is not evolved during articles exploitation. EFFECT: simplified method of technology, improved quality of binding agent. 2 cl, 6 ex, 2 tbl

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RU 2 123 502 C1

Authors

Tenisheva O.B.

Dates

1998-12-20—Published

1997-12-01—Filed

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