Modified melamine-formaldehyde condensation products

Details Modified melamine-formaldehyde condensation products Modified melamine-formaldehyde condensation products

1979-06-19

1981-02-10

Pertilla, Theodore E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

162167, 528256, 528262, C08G 1212, C08G 1232

Patent

active

042500699

ABSTRACT:
Improved resins are obtained by substituting urea for part of the melamine in known cationic water-soluble resins obtained by interaction of melamine, an aliphatic hydroxymonoamine such as triethanolamine, and formaldehyde. The new resins, which have molar ratios melamine:urea:hydroxyamine:formaldehyde in the range 1:0.25-8:0.1-2.5:4-30, have a faster curing rate and better stability in the liquid state for a given content of formaldehyde.

REFERENCES:
patent: 2485080 (1949-10-01), Wounsiedler et al.
patent: 3721651 (1973-03-01), Yates
patent: 4119598 (1978-10-01), Pearson

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