Polystyrene resin foam and process for producing the foam body

PCT No. PCT/JP95/02363 Sec. 371 Date Aug. 22, 1997 Sec. 102(e) Date Aug. 22, 1997 PCT Filed Nov. 17, 1995 PCT Pub. No. WO96/16111 PCT Pub. Date May 30, 1996A blowing agent comprising a hydrofluorocarbon having at least one hydrogen atom and containing no chlorine is used to obtain a polystyrene-base...

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Bibliographic Details
Main Authors WAKABAYASHI; MASAYUKI, NAKATANI; ITSUKI
Format Patent
LanguageEnglish
Published 16.05.2000
Edition7
Subjects
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
GENERAL PROCESSES OF COMPOUNDING
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
WORKING-UP
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Summary:PCT No. PCT/JP95/02363 Sec. 371 Date Aug. 22, 1997 Sec. 102(e) Date Aug. 22, 1997 PCT Filed Nov. 17, 1995 PCT Pub. No. WO96/16111 PCT Pub. Date May 30, 1996A blowing agent comprising a hydrofluorocarbon having at least one hydrogen atom and containing no chlorine is used to obtain a polystyrene-based resin foam body with a high expansion rate, employing as the base polymer a resinous blend comprising polystyrene and a polymer containing oxygen, nitrogen or fluorine or a resinous blend comprising polystyrene and an oxy acid or its derivative.
Bibliography:Application Number: US19970836990