Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1986-08-15
1988-03-01
Nielsen, Earl
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
525523, 528407, 564325, 564399, 564475, C08G 5914, C07C 8902
Patent
active
047285559
ABSTRACT:
Process for the preparation of .beta.-hydroxypolyamines by reaction of polyepoxide compounds with ammonia, in which at least one polyepoxide compound is treated in a first stage with liquid ammonia at temperatures below 50.degree. C., a homogeneous phase being formed, after which the reaction between the polyepoxide compound and ammonia is carried out in a second stage at 60.degree. to 130.degree. C., and when the reaction is complete, the excess ammonia is removed from the reaction mixture.
The resulting .beta.-hydroxypolyamines are used as binders or--in protonated form--as binders which can be diluted with water, by themselves or in combination with suitable crosslinking agents.
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Kiessling Hans-Joachim
Riemenschneider Wilhelm
Hoechst AG
Nielsen Earl
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