Control of precure in composition board manufacture

Details Control of precure in composition board manufacture Control of precure in composition board manufacture

1976-04-26

1978-04-04

Lesmes, George F.

Stock material or miscellaneous articles

Composite

Of aldehyde or ketone condensation product

260 69R, 260 71, 260 173, 260 294R, 428526, 428538, 428532, 428537, 428326, 156331, 156 622, B32B 2102, B32B 2742, C08L 6120

Patent

active

040829049

ABSTRACT:
Surface precure of amine-aldehyde resins employed in the manufacture of composition board can be prevented by adding a water soluble thiosulfate salt, e.g., sodium thiosulfate, to the resin.

REFERENCES:
patent: 1904244 (1933-04-01), Landecker
patent: 2227709 (1941-01-01), Cordier
patent: 2679490 (1954-05-01), Meiser et al.
patent: 3535199 (1970-10-01), Kuhr et al.
patent: 3563844 (1971-02-01), Brown et al.
patent: 3816236 (1974-06-01), Baymiller
patent: 3905847 (1975-09-01), Black
patent: 3940538 (1976-02-01), Palazzolo
patent: 3975572 (1976-08-01), Power

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