Wässrige Emulsion

The present invention relates to an aqueous emulsion comprising a dispersant of a modified polyvinyl alcohol with an ethylene unit content of 2 to 9 mol% and a degree of hydrolysis of at least 95 mol%, a dispersoid of a polymer of an ethylenically unsaturated monomer, and a ratio ( eta 2rpm/ eta 20r...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SATO, TOSHIAKI, KURASHIKI-CITY, OKAYAMA, JP, NAKAMAE, MASATO, KURASHIKI-CITY, OKAYAMA, JP, FUJIWARA, NAOKI, KURASHIKI-CITY, OKAYAMA, JP, YUKI, KEN, KURASHIKI-CITY, OKAYAMA, JP, MIYAKE, DAISUKE, KITA-KU, OSAKA-CITY, OSAKA, JP, TERADA, KAZUTOSHI, KITA-KU, OSAKA-CITY, OSAKA, JP, MARUYAMA, HITOSHI, KURASHIKI-CITY, OKAYAMA, JP
Format:	Patent
Sprache:	ger
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DYES MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	The present invention relates to an aqueous emulsion comprising a dispersant of a modified polyvinyl alcohol with an ethylene unit content of 2 to 9 mol% and a degree of hydrolysis of at least 95 mol%, a dispersoid of a polymer of an ethylenically unsaturated monomer, and a ratio ( eta 2rpm/ eta 20rpm) of Brookfield viscosity at 30 DEG C, 2 rpm ( eta 2rpm) as against Brookfield viscosity at 30 DEG C, 20 rpm ( eta 20rpm) being 1 to 1.8 when the latter viscosity ( eta 20rpm) is adjusted to 5,000 to 10,000 mPa.S. The aqueous emulsion according to the present invention is excellent in structural viscosity (flowability, high speed application performance), provides coated layers with high water resistance and low-temperature stability, and can be suitably used extensively as an adhesive for paper, wood and plastics, as a binder for impregnated paper and non-woven products, as an additive for mortar, as a paint, and in paper and fiber processings.