C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 59/34 (2006.01) C08F 2/38 (2006.01) C08F 4/04 (2006.01) C08F 4/32 (2006.01)
Patent
CA 2559292
The present invention relates to novel polymer polyols which have low viscosities and high hydroxyl numbers, and to a process for the preparation of these novel polymer polyols. These polymer polyols have hydroxyl numbers of >= 20, solids contents of about 30 to about 65% by weight and a viscosity that is less than or equal to: be [2.7]. These comprise the reaction product of a base polyol, a preformed stabilizer and at least one ethylenically unsaturated monomer, in the presence of a free-radical polymerization initiator and at least one polymer control agent. The base polyol has a hydroxyl number of 60 to 1900, a functionality of 1 to 10, and an equivalent weight of 30 to 900.
Adkins Rick L.
Chauk Shriniwas S.
Bayer Materialscience Llc
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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