Production of chlorofluorocarbon-free, urethane-containing moldi

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...

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521 51, C08J 934

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active

057313610

ABSTRACT:
Chlorofluorocarbon-free, urethane-containing moldings having a cellular core and an integral skin with an essentially pore-free surface, ie. polyurethane (PU) integral foams, are produced by reacting the conventional starting components in the presence of blowing agents, catalysts and at least one additive selected from the group consisting of the partially or completely neutralized

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