Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1988-10-17
1989-12-05
Nielsen, Earl
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528 99, 25215223, C08G 5968
Patent
active
048853542
ABSTRACT:
An epoxy resin composition comprising an epoxy resin that is liquid at room temperature and containing on average more than one epoxy group per molecule and a quarternary piperidinium salt as advancement catalyst.
When advanced with compounds having two phenolic hydroxyl groups, such compositions give excellent products of low viscosity which are suitable, for example, for use in powder coating compositions.
REFERENCES:
patent: 3275708 (1966-09-01), Bylsma
patent: 4312974 (1982-01-01), Chiao
patent: 4465722 (1984-08-01), Fiaux et al.
patent: 4474935 (1984-10-01), Lopez
Gempeler Hans
Hofer Arnold
Ciba-Geigy Corporation
Hall Luther A. R.
Nielsen Earl
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