C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
C09J 157/00 (2006.01) B32B 7/12 (2006.01) C08K 5/3412 (2006.01) C09J 175/04 (2006.01)
Patent
CA 2240969
The present invention relates to a water based laminating adhesive composition and a method of using thereof. More particularly, the invention relates to a water- based laminating adhesive comprising: a first component comprising at least one aqueous vinyl polymer dispersion (A) comprising the reaction product of i) at least one ethylenically unsaturated monomer; ii) at least one free radical initiator; and iii) optionally, at least one ethylenically unsaturated oligomer; and b) a second component comprising at least one water dispersible polyfunctional aziridine crosslinking agent (B). The adhesive optionally comprises at least one aqueous polyurethane polymer dispersion (C). Improved bonded properties of dry laminated flexible film substrates such as polyolefin, polyester and polyamide, as well as cellophane, metals or paper are obtained.
Papsin George A. Jr.
Rolando Thomas E.
Voss Peter A.
Gowling Lafleur Henderson Llp
H.b. Fuller Licensing & Financing Inc.
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