AQUEOUS SEALING MATERIAL COMPOSITION

PURPOSE:An aqueous sealing material composition with low modulus and high elongation, obtd. by incorporating an inorg. filler, plasticizer and dispersant in a mixt. of different kinds of ethylene-vinyl acetate copolymers in a specified proportion. CONSTITUTION:A composition contg. a mixt. of at leas...

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Bibliographische Detailangaben
Hauptverfasser:	FUKUNAGA SHINJI, HORIGUCHI SUMIO, OOSHITA AKINAO
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DYES 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
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Beschreibung
Zusammenfassung:	PURPOSE:An aqueous sealing material composition with low modulus and high elongation, obtd. by incorporating an inorg. filler, plasticizer and dispersant in a mixt. of different kinds of ethylene-vinyl acetate copolymers in a specified proportion. CONSTITUTION:A composition contg. a mixt. of at least two kinds of ethylene- vinyl acetate copolymer emulsions different in grade from each other, an inorg. filler, a plasticizer and a dispersant. When the ethylene-vinyl acetate copolymer in the largest amt. in said mixt. is regarded as A1, and one in the next amt. as A2, said composition satisfies all the following conditions: (I) A1 and A2 are each an ethylene-vinyl acetate copolymer of ethylene content 10-30wt%; (II) said mixt. contains A1 and A2 in a wt. ratio of 95-50:5-50; (III) A1 is different in ethylene content by at least 3wt% from A2, or A1 emulsion is different in K-value before mixing by at least 10 from A2 emulsion.