FOAMABLE RESIN COMPOSITION

PROBLEM TO BE SOLVED: To obtain a foamable resin compsn. of which the timing of resin melting coincides with that of blowing agent decomposition and which exhibits an improved foaming behavior by compounding a specific acrylic resin dispersion with a thermally decomposable blowing agent, a decomposi...

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Bibliographische Detailangaben
Hauptverfasser:	YASUMARU CHIAKI, TAKAO TOSHITOMO, KANEKAWA MASATO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain a foamable resin compsn. of which the timing of resin melting coincides with that of blowing agent decomposition and which exhibits an improved foaming behavior by compounding a specific acrylic resin dispersion with a thermally decomposable blowing agent, a decomposition accelerator, and a filler. SOLUTION: 100 pts.wt. (in terms of the solid resin) acrylic resin dispersion contg. a (meth)acrylic ester homo- or copolymer and having a Ti value of -5 to 20 deg.C and lowest film forming temp. of not more than 15 deg.C is compound with 0.5-10 pts.wt. thermally decomposable blowing agent, 0.2-8 pts.wt. decomposition accelerator, and 50-200 pts.wt. filler having a particle size of 0.1-30μm.