Reactive hot melt adhesive and adhesive composite sheet...

Details Reactive hot melt adhesive and adhesive composite sheet... Reactive hot melt adhesive and adhesive composite sheet...

C - Chemistry, Metallurgy

09

J

C09J 175/04 (2006.01) A41H 27/00 (2006.01) C08G 18/10 (2006.01) C08G 18/80 (2006.01) C09J 5/06 (2006.01) C09J 7/00 (2006.01) C09J 7/02 (2006.01) C08L 75/00 (2006.01) C08L 75/04 (2006.01)

Patent

CA 2253069

A reactive hot melt adhesive containing, as the main component, a blocked prepolymer made by reacting a linear prepolymer having isocyanate groups with a blocking agent, said blocked prepolymer having a number average molecular weight of at least 11,000 and a melt viscosity of at least 1,000 poise at a temperature of 110~C.

Adhésif réactif thermofusible, dont le principal constituant est un prépolymère bloqué, obtenu par réaction d'un polymère linéaire renfermant des groupes isocyanate avec un agent de blocage; ledit prépolymère possède une masse moléculaire moyenne en nombre d'au moins 11000 et une viscosité à l'état fondu d'au moins 1000 poises à une température de 110 degrés C.

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