Viscosity stable isocyanate-terminated prepolymers and polyoxyal

Details Viscosity stable isocyanate-terminated prepolymers and polyoxyal Viscosity stable isocyanate-terminated prepolymers and polyoxyal

1995-08-10

1998-09-22

Cooney, Jr., John M.

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

25218227, 25218229, C09K 302

Patent

active

058118292

ABSTRACT:
Polyoxyalkylene polyols containing double metal cyanide complexes or residues thereof as are produced during the preparation of polyoxyalkylene polyols by the double metal cyanide complex catalyzed oxyalkylation of a suitably functional hydric initiator are stable without catalyst removal. Isocyanate-terminated prepolymers prepared from such polyols are surprisingly viscosity-stable relative to similar prepolymers prepared from polyols not containing double metal cyanide complexes or residues thereof.

REFERENCES:
patent: 3427256 (1969-02-01), Milgrom
patent: 3829505 (1974-08-01), Herold
patent: 4156759 (1979-05-01), Hostettler
patent: 4355188 (1982-10-01), Herold et al.
patent: 4721818 (1988-01-01), Harper et al.
patent: 4987271 (1991-01-01), Watabe et al.
patent: 5010047 (1991-04-01), Schuchardt
patent: 5132387 (1992-07-01), Baron et al.
patent: 5158922 (1992-10-01), Hinney et al.
patent: 5248833 (1993-09-01), Hinney et al.
patent: 5356976 (1994-10-01), Dubs et al.
patent: 5357038 (1994-10-01), Reisch et al.
Herold et al., "Hexacyanocobaltate SAH Complexes as Cataylsts for Epoxide Polymerizations," Adv. Chem. Ser. No. 128 (1973) pp. 208-229.
Schuchardt et al., "Preparation of High Molecular Weight Polyols Using Double Metal Cyanide Catalysts," 32nd Annual Polyurethane Tech./Mark Conf. Oct. 1989.
Griffith et al., "The Autooxidation of Poly(propylene oxide)s.," Eur. Polym. J. 29 (1993) 437.

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