PROCESS FOR PREPARING PHENOL FOAMS

This invention relates to a process for producing phenolic foams from phenolic resins using a blowing agent comprising 1,1,1,4,4,4-hexafluorobutane. These blowing agents are much more environmentally friendly than the conventional chlorofluorocarbons and do not adversely affect the properties of the...

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Bibliographic Details
Main Author JONES JOHN EDWARD
Format Patent
LanguageEnglish
Published 14.08.1996
Edition6
Subjects
ADHESIVES
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
DYES
GENERAL PROCESSES OF COMPOUNDING
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
ORGANIC MACROMOLECULAR COMPOUNDS
PAINTS
POLISHES
THEIR PREPARATION OR CHEMICAL WORKING-UP
WORKING-UP
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Summary:This invention relates to a process for producing phenolic foams from phenolic resins using a blowing agent comprising 1,1,1,4,4,4-hexafluorobutane. These blowing agents are much more environmentally friendly than the conventional chlorofluorocarbons and do not adversely affect the properties of the foams produced.
Bibliography:Application Number: CZ19960000104