Manufacture of pressure-sensitive adhesives

Details Manufacture of pressure-sensitive adhesives Manufacture of pressure-sensitive adhesives

C - Chemistry, Metallurgy

08

L

400/1806, 400/51

C08L 75/04 (2006.01) C08G 18/80 (2006.01) C08L 93/00 (2006.01) C09J 175/04 (2006.01)

Patent

CA 1043919

ABSTRACT OF THE DISCLOSURE: Pressure-sensitive adhesives are manufactured by reacting a mixture of (a) from 10 to 90% by weight of a polyol having a molecular weight of from 300 to 8,000 and a hydroxyl number of from 20 to 85 and (b) from 5 to 60% by weight of an amorphous thermoplastic tacki- fier resin having a softening point of from 40° to 140°C and a molecular weight of form 200 to 7,500, with (c) from 5 to 30% by weight of a polyisocyanate masked with CH-acidic compounds, the percentages by weight being based on the total weight of components (a), (b) and (c).

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