HETEROLAYER STRUCTURE LATEX FOR MOISTUREPROOF PROCESSING

PROBLEM TO BE SOLVED: To obtain a latex for moistureproof coated paper that has excellent moisture resistance and blocking resistance, is readily disintegrated in water and is recycled. SOLUTION: The heterolayer structure latex for moistureproof processing has (1) a core layer composed of a copolyme...

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Bibliographische Detailangaben
Hauptverfasser:	NAGANO HARUHISA, KOBAYASHI HIROMI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON IMPREGNATING OR COATING OF PAPER MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain a latex for moistureproof coated paper that has excellent moisture resistance and blocking resistance, is readily disintegrated in water and is recycled. SOLUTION: The heterolayer structure latex for moistureproof processing has (1) a core layer composed of a copolymer (a) having -90 to 10°C glass transition temperature (Tg), (2) an intermediate layer composed of a copolymer (b) having 0-180°C glass transition temperature (Tg) higher than that of the copolymer (a) and (3) a shell layer composed of a copolymer (c) having 0-50°C glass transition temperature (Tg) higher than that of the copolymer (a) and difference in glass transition temperature (Tg) between the copolymer (b) and the component (c) of ≥4°C. COPYRIGHT: (C)2005,JPO&NCIPI