BLOWING AGENT COMPOSITION AND POLYISOCYANATE-BASED FOAM PRODUCED THEREWITH
The present invention relates to a polyisocyanate-based foam prepared in the presence of a blowing agent which comprises from 50 to 95 parts be weight 1,1,1,2-tetrafluoroethane (134a) and from 5 to 50 parts by weight of 1,1,1,3,3-pentafluoro-propane (245fa). Use of such a blowing agent composition p...
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Format: | Patent |
Sprache: | eng ; fre |
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Zusammenfassung: | The present invention relates to a polyisocyanate-based foam prepared in the presence of a blowing agent which comprises from 50 to 95 parts be weight 1,1,1,2-tetrafluoroethane (134a) and from 5 to 50 parts by weight of 1,1,1,3,3-pentafluoro-propane (245fa). Use of such a blowing agent composition provides for foam with a reduced smoke emission index. |
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