Catalyst initiated prepolymer systems

Details Catalyst initiated prepolymer systems Catalyst initiated prepolymer systems

1981-11-27

1983-07-26

Cockeram, H. S.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

528 44, 528 53, 528 54, 528 55, 528 74, 528 75, C08G 1824, C08G 1812

Patent

active

043955304

ABSTRACT:
A process for the manufacture of a polyurethane prepolymer adhesive by a catalyst initiated reaction of polyol and isocyanate copolymers is performed under room temperature conditions, and in convenient quantities for application, storage, and transportation purposes. Compounding includes alternatives of catalyst and co-catalyst combinations, and additives, including a reaction inhibitor, plasticizer, delayed reaction catalyst and surfactant.

REFERENCES:
patent: 2650212 (1953-08-01), Windemuth
patent: 2692873 (1954-10-01), Langerak
patent: 2801648 (1957-08-01), Anderson et al.
patent: 3196026 (1965-07-01), Menard et al.
patent: 3814736 (1974-06-01), Gibier-Rambaud et al.
patent: 3919173 (1975-11-01), Coyner et al.
patent: 3980594 (1976-09-01), Fabris et al.
patent: 3993652 (1976-11-01), Bechara et al.

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