METHOD OF FOAM PLASTIC PREPARING Russian patent published in 1995 - IPC

Abstract RU 2034001 C1

FIELD: plastic materials. SUBSTANCE: method is realized by mixing of resol phenolformaldehyde resin ФРВ-IА, carbamidoformaldehyde resin, foaming-hardening agent DFU-3, chrome oxide, aluminium oxide, surface-active substance, aluminium powder and epoxy resin taken at the following mass ratio 41.1-48.8:4.8-6.7:28.5-29.6:1.1-2.0:7.3-8.5:2.1-3.5:3.2-4.0:4- .2-4.6, respectively, following by mixture shaping at direct current voltage 24-160 V, at current density 170-180 mcA for 10-15 min. EFFECT: improved method of foam plastic preparing. 1 tbl

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RU 2 034 001 C1

Authors

Kiselev V.M.

Kuznetsova I.N.

Karaznevich V.K.

Vinokurov V.A.

Dates

1995-04-30—Published

1992-04-01—Filed