C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
C09J 9/00 (2006.01) C08G 18/08 (2006.01) C08G 18/70 (2006.01) C08K 5/098 (2006.01) C08K 5/19 (2006.01) C09J 11/02 (2006.01) C08L 75/04 (2006.01)
Patent
CA 2474333
To obtain an adhesive with excellent adhesiveness, antistatic property, compatibility with environment, adhesion strength, and heat resistance for dry laminate, and a complex plastic film using the adhesive, disclosed is an environment-compatible adhesive for dry laminate. The adhesive is prepared by adding an antistatic agent into a water-dispersible polyurethane resin having a carboxyl group in the side chain. A water-dispersible polyisocyanate is used as a bridging/curing agent for the water-dispersible polyurethane resin, and a mixture of quarternary ammonium salt betaine and an electrolytic metallic salt is used as the antistatic agent. The quarternary ammonium salt betaine is alkyl dimethyl aminoacetate. The complex plastic film is complexed with the adhesive. Further in the adhesive having high adhesion strength and heat resistance, an aliphatic isocyanate-based curing agent is used as a bridging/curing agent for solvent-based polyurethane resin, and a mixture of aliphatic dimethylethyl ammonium ethosulphate salt and polyoxyethylene alkyl ether is used as the antistatic agent. By dry-laminating the plastic film with this adhesive, a product having the adhesion strength and heat resistance can be obtained.
Fetherstonhaugh & Co.
Hayashi Kanji
LandOfFree
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