Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1984-03-05
1985-10-22
Nielsen, Earl
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525438, 528 98, 528103, C08G 5938
Patent
active
045490007
ABSTRACT:
The thermosetting powder lacquer is suited for covering the weld seams in metal containers for foodstuffs or beverages and comprises a mixture of at least two aromatic epoxide resins, a first component of which contains a maximum of two epoxide groups per molecule on the average and a second component of which contains more than two epoxide groups per molecule on the average, a hardener and a catalyst. As a hardener there is used a condensation product formed from the diglycidylether of bisphenol-A and bisphenol-A and as a catalyst dimethylaminophenol is used.
REFERENCES:
patent: 3367990 (1968-02-01), Bremmer
patent: 3932343 (1976-01-01), Barie
patent: 4169187 (1979-09-01), Glazar
patent: 4440914 (1984-04-01), Helfand et al.
Schmid Christian
Widmer Hans R.
Kleeman Werner W.
Nielsen Earl
Vernicolor AG
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