Styrene-butadiene latex for coating paper and its preparing method

PURPOSE: A styrene-butadiene latex is provided to improve polymerization stability and to be used for paper coating with excellent mechanical stability and fluidity under a high shear. CONSTITUTION: A method for preparing styrene butadiene latex for paper coating comprises: a step of adding 100 part...

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Hauptverfasser:	LEE HEE-MYUNG, LEE CHANG-HWAN, KIM JEONG-GEUN, PARK DONG-GOOK, SUH JAE-KON, LEE YONG-JUN
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:	PURPOSE: A styrene-butadiene latex is provided to improve polymerization stability and to be used for paper coating with excellent mechanical stability and fluidity under a high shear. CONSTITUTION: A method for preparing styrene butadiene latex for paper coating comprises: a step of adding 100 parts by weight of a polymerization monomer containing 10-60 wt% of 1,3-butadiene, 10-70 wt% of styrene, 1-10 wt% of a vinyl cyan-based monomer, 1-10 wt% of an ethylenic unsaturated monomer, and 1-20 wt% of ethylenic unsaturated alkyl ester to 0.5-10 parts by weight of seed latex containing 60-100 wt% of a styrene monomer, 0-40 wt% of butadiene, and 0-10 wt% of acrylic acid; and a step of adding 0.1-10 parts by weight of a reaction initiator and 0.01-10 parts by weight of bases.