C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
400/5927, 400/70
C09J 131/04 (2006.01) C08F 218/08 (2006.01) C08J 5/12 (2006.01) C08K 5/15 (2006.01) C08L 31/04 (2006.01)
Patent
CA 1314346
ABSTRACT OF THE DISCLOSURE A two-part aqueous-based adhesive suitable for dry-bonding a polyether urethane foam to a rigid or semi-rigid substrate consists essentially of (a) an aqueous latex of an anionic emulsion polymer having a Tg of 0°C or below, preferably -5° to -30° C, an effective amount of a diepoxide or polyepoxide curing agent, and optionally, but preferably, an effective amount of a fugitive plasticizer. The polymer consists essentially of 10- 30% ethylene, 40 to 80% of vinyl acetate, 5-35% of a C4-C8-dialkyl maleate, and 4-10% of an ethylenically unsaturated acid monomer (e.g., acrylic acid). Suitable substrates include styrene board and fiberglass board.
547075
Mudge Paul R.
Pruiksma Arthur B.
Shih Yen-Jer
Ablestik Laboratories
Borden Ladner Gervais Llp
Mudge Paul R.
Pruiksma Arthur B.
Shih Yen-Jer
LandOfFree
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