Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1977-11-30
1980-06-10
Griffin, Ronald W.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
260 332R, 260 37R, 260 40R, 260 4214, 260 4253, 260 4257L, C08K 904, C08L 7504
Patent
active
042072271
ABSTRACT:
The instant invention relates to a process for the preparation of stable suspensions of inorganic fillers in polyhydroxyl compounds, which are suitable for the preparation of polyurethanes, to the suspensions obtainable by this process and to their use for the preparation of polyurethanes. The suspensions are produced by grafting an olefinically unsaturated carboxylic acid (and optionally other olefinically unsaturated monomers) onto polyols. The presence of from 0.005 to 15% by weight of carboxyl groups in the polyol allows for the production of stable dispersion of inorganic fillers in polyols.
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patent: 4077804 (1978-03-01), Vanzo
patent: 4088663 (1978-05-01), Yankee
Bayer Aktiengesellschaft
Gil Joseph C.
Griffin Ronald W.
Harsh Gene
Olson R. Brent
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