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US 10,023,728 B2Granted
Latex composition for dip-forming including carboxylic acid modified-nitrile based copolymer latex and dip-formed article prepared therefrom
AssigneeLG Chem, Ltd.
InventorsYu Jin Cha, Jung Su Han, Ji Hyun Kim, Seung Uk Yeu
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Abstract
The present invention relates to a latex composition for dip-forming including two different types of carboxylic acid modified-nitrile based copolymer latex, and a dip-formed article prepared therefrom having excellent durability for sweat, and having high tensile strength and elongation percentage. Accordingly, the latex composition for dip-forming has excellent tensile strength, elongation percentage, stress and durability, and is useful in industries requiring these, for example, a rubber glove industry and the like.
Claims15
A latex composition for dip-forming comprising:
- a) carboxylic acid modified-nitrile based copolymer latex having a glass transition temperature of −30° C. to −5° C. and an average particle diameter of 100 nm to 200 nm, and including a reactive compound;
- and
- b) carboxylic acid modified-nitrile based copolymer latex having a glass transition temperature of −30° C. to −15° C. and an average particle diameter of 100 nm to 200 nm, wherein the reactive compound is not included,
- wherein the composition includes the a) carboxylic acid modified-nitrile based copolymer latex and the b) carboxylic acid modified-nitrile based copolymer latex in a weight ratio of 3:7 to 8:2, and wherein the reactive compound is a compound having one or more types of reactive groups selected from the group consisting of a vinyl group, an epoxy group and a glycidyl group.
1 more element
Dependencies are inferred from the claim text.