Latex composition for dip-forming, method for preparing the same, and dip-formed article formed by the same

A method for preparing a latex composition for dip-forming, comprising: (a) preparing a monomer mixture including a conjugated diene-based monomer, a farnesene monomer, an ethylenically unsaturated nitrile monomer, and an ethylenically unsaturated acid monomer; (b) adding an additive including an em...

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Bibliographische Detailangaben
Hauptverfasser: Jeong Weon Han, Sung Hun Choung, Ha Jung Lee
Format: Patent
Sprache:eng
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Zusammenfassung:A method for preparing a latex composition for dip-forming, comprising: (a) preparing a monomer mixture including a conjugated diene-based monomer, a farnesene monomer, an ethylenically unsaturated nitrile monomer, and an ethylenically unsaturated acid monomer; (b) adding an additive including an emulsifier and an inorganic solvent to the monomer mixture; and (c) polymerizing the monomer mixture to prepare a copolymer latex, wherein a weight ratio of the farnesene monomer to a total weight of the conjugated diene-based monomer and the farnesene monomer is 5 to 55%. The diene monomer is chosen from 1,3-butadiene, 1,3-pentadiene, isoprene, 2,3-dimethyl-1,3-butadiene and 2-ethyl-1,3-butadiene. The unsaturated nitrile monomer is chosen from acrylonitrile, methacrylonitrile, fumaronitrile, α-chloroacrylonitrile, α-cyano ethyl acrylonitrile. The acid monomer is chosen from methacrylic, acrylic, itaconic, maleic or fumaric acids, maleic citraconic anhydrides, styrene sulfonate, monobutyl fumarate, monobutyl maleate, mono-2-hydroxypropyl maleate. A molecular weight regulator, chosen from mercapans, halogenated hydrocarbons or disulfide compounds.