| 摘要 |
A waterborne contact adhesive comprises and aqueous emulsion of A) between about 50 and about 80 weight percent (based on A) plus B) solids) of an emulsified acrylic polymer, said acrylic polymer having an acid number of between about 5 and about 50, and an N-methylol acrylamide content of between about 0.5 and about 5 wt % based on monomer solids; B) between about 20 and about 50 weight percent (based on A) plus B) solids) of a latex of an elastomer, particularly natural rubber latex, and C) anionic surfactant in amount sufficient to stabilize the aqueous dispersion of A) and B).
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