Patent · US Active

Carboxylic acid modified-nitrile based copolymer latex and latex composition for dip-forming comprising the copolymer latex and article formed by the composition

US11873391B2 · kind B2 · utility

1Cited by
1References
20Claims
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Key dates

Filing dateFeb 8, 2021
Grant dateJan 16, 2024
Priority date
Expiry dateAug 30, 2041

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L2312/00
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

Disclosed is a latex composition for dip molding including a carboxylic acid-modified nitrile-based copolymer latex satisfying General Formula 1, wherein the carboxylic acid-modified nitrile-based copolymer includes: 15 wt % to 30 wt % of the ethylenic unsaturated nitrile-based monomer-derived unit and 2.5 wt % to 4.5 wt % of the ethylenic unsaturated acid monomer-derived unit, and a molded article: 1.0 mm2/s≤CV0≤3.0 mm2/s.  General Formula 1

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.