CHLORFLUOROHYDROCARBON SUBSTITUTION FOR MAKING FOAM POLYMERS Russian patent published in 2009 - IPC C08J9/14 C08K5/04 C08L27/12 

Abstract RU 2357980 C2

FIELD: chemistry.

SUBSTANCE: there is disclosed application of the composition containing at least one fluorohydrocarbon foaming agent and non-halogenated polar organic oxygen-containing compound of boiling temperature at atmospheric pressure within 30°C to 150°C for making polystyrene foam by plastic foam equipment designed so that to be applied with a foaming agent containing at least one chlorfluorohydrocarbon. Besides there is disclosed method for making foam polymers, implying application of said composition. There is also disclosed polystyrene foam composition containing at least one fluorohydrocarbon foaming agent and non-halogenated polar organic oxygen-containing compound of boiling temperature at atmospheric pressure within 30°C to 150°C, where content of non-halogenated polar organic compound is within 10 to 15 wt %.

EFFECT: simplified production process of high-quality product.

13 cl, 3 ex

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RU 2 357 980 C2

Authors

Tsipfel' Lotar

Durnel' P'Er

Dates

2009-06-10Published

2004-11-25Filed