Paper coating latex using ionic monomer
AssigneeLG Chem, Ltd.
InventorsSeung-Uk Yeu, Ho-Yeul Choi, Wan-Sik Cha, Seung-Hun Yang, Chang-Sun Han
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Abstract
The present invention discloses a paper coating latex containing copolymeric ionic monomer, a paper coating composition containing thereof, and a paper coated with the composition. More specifically, the present invention provides a styrene-butadiene latex for paper coating which contains sodium methallyl sulfonate, an ionic monomer copolymerizing with monomers used in latex manufacturing, as a monomer for emulsion polymerization, and has excellent stability and fluidity, a paper coating composition containing thereof, and a paper coated with the composition.
Claims16
A styrene-butadiene latex for paper coating comprising:
- 0.01˜10% by weight of sodium methallyl sulfonate as an ionic monomer which copolymerizes with monomers of said latex,
- 5˜55% by weight of 1,3-butadiene,
- 40˜94% by weight of styrene,
- 1˜15% by weight of ethylene unsaturated acid monomers,
- 0˜10% by weight of vinyl cyanide monomers,
- 0˜30% by weight of other copolymerizable vinyl monomers, and
- 0.2˜10% by weight of molecular weight regulator.
A styrene-butadiene latex for paper coating, prepared by reacting the following components:
- 0.01˜10% by weight of sodium methallyl sulfonate,
- 5˜55% by weight of 1,3-butadiene,
- 40˜94% by weight of styrene,
- 1˜15% by weight of ethylene unsaturated acid monomers,
- 0˜10% by weight of vinyl cyanide monomers,
- 0˜30% by weight of other copolymerizable vinyl monomers, and
- 0.2˜10% by weight of molecular weight regulator.
Dependencies are inferred from the claim text.