GLUE COMPOSITION Russian patent published in 2004 - IPC

FIELD: adhesives.

SUBSTANCE: invention relates to sticky water-emulsion glue compositions based on acrylic copolymers, in particular to glues for sticky films based on paper, cardboard, plastic, and metal substrates used for self-adhesive decorative and finishing materials for joining cardboard objects according to conveyer technology and for labeling in paper, polygraphic, and other industries. Claimed glue composition including aqueous dispersion of acrylic copolymer as film-forming agent, thickener, 25% aqueous ammonia solution as medium pH regulator, and water is characterized by additionally containing tributyl phosphate (plasticizer), ethylene glycol or diethylene glycol, or di(2-ethylhexyl) sebacate (as antifreezes), and isothiazolinone derivative solution as biocyde additive, said film-forming agent being, more particularly, 40-60% aqueous dispersion of butyl acrylate/methyl methacrylate/methacrylic acid copolymer with weight ratio of monomers (75-95):(4-22):(0.5-3), respectively, and said thickener being copolymer of (meths)acrylic monomers or association-type acryl-urethane thickener.

EFFECT: increased adhesive strength, moisture and frost resistance.

2 tbl, 5 ex