Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From silicon reactant having at least one...
Patent
1983-01-31
1985-02-26
Lilling, Herbert J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From silicon reactant having at least one...
524100, 524783, 524859, 525 72, 528 19, 528 26, 528 28, 528 29, 528 34, C08G 7706, C08G 7704
Patent
active
045018723
ABSTRACT:
Disclosed is a liquid composition comprising a homogeneous reaction product of a hydrophobic polyol and an organosilicon-containing material. The organosilicon-containing material comprises an organosilicon-containing substance free of functional groups attached to carbon and essentially free of alkali metal ions, having atoms bonded directly to silicon, all of which atoms are selected from O, N, and/or Cl. The organosilicon-containing substance additionally has moieties directly bonded to silicon which are displaceable by reaction with water and/or alcohol. At least a part of the organosilicon-containing substance is hydrolyzed to a compound or a mixture of compounds containing a residual amount of the moieties directly bonded to silicon which are displaceable.
The reaction product is not capable of being gelled according to a specific three-step gel test; has a ratio of milliequivalents of the residual displaceable moieties to milliequivalents of hydroxyl moieties from the polyol greater than 1, and is capable of self-curing to a continuous film in the presence of moisture.
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Chang Wen-Hsuan
McKeough David T.
Peffer John R.
Breininger Thomas M.
Lilling Herbert J.
PPG Industries Inc.
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