Polyol polyacrylate dispersants

Details Polyol polyacrylate dispersants Polyol polyacrylate dispersants

1988-07-29

1991-06-04

Lieberman, Allan M.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525 69, 525187, C08L 5108, C08L 3308, C08L 3210, C08L 7102

Patent

active

050215060

ABSTRACT:
A stable, low viscosity polymer polyol composition comprising a continuous phase, a disperse phase within the continuous phase, and a dispersant for enhancing the stability of the resultant polymer polyol is disclosed. In one embodiment, the dispersant is formed by polymerizing at least one acrylate monomer in a polyether polyol to form a single phase homogeneous liquid intermediate reaction product which is transesterified to form a polyol polyacrylate dispersant.

REFERENCES:
patent: 4148840 (1979-04-01), Shah
patent: 4242249 (1980-12-01), Van Cleve et al.
patent: 4327005 (1982-04-01), Ramlow et al.
patent: 4334049 (1982-06-01), Ramlow et al.
patent: 4745153 (1988-05-01), Hoffman
Twaik, Tahan & Zilkha, "Grafting of Poly(ethylene Oxide) on Poly(methylmethacrylate) by Transesterification", J. Polymer Science, A-1, 7, pp. 2469, et seq.

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