Main > POLYMERS > Epoxy. Resin > Self-Emulsifying

Product DE. H.

PATENT ASSIGNEE'S COUNTRY Germany
UPDATE 06.99
PATENT ASSIGNEE This data is not available for free
PATENT CLAIMS Prepn by condensation of
(1) Epoxide compd (50-95%) having 2 epoxide/mole. & epo
xide group content 300 - 11,200 mmol/kg
(2) Aromatic polyol (5-50%)
(3) Modifying compd (< 25%) having 2 epoxide-reactive grou
ps
(4) Emulsifying prodt (5-25%) of condensation of
(a) Aliphatic polyol having MW 200 - 20,000 g/mol
(b) Epoxide compd with 2 epoxide/mole. & epoxide group
content 500 - 10,000 mmol/kg
wherein ratio of number of OH groups to number of epoxide groups is 1:4 - 1:10 & epoxide group content of condensation prodts (4) is 100 - 6700 mmol/kg, wherein epoxy resin is prepd by condensation of (1), (2) & (3) with (4) at elevated T
in the presence of condensation catalyst
PATENT PHOTOCOPY Available on request

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