Process for preparing alkoxylated cross linking agents by prepar

Details Process for preparing alkoxylated cross linking agents by prepar Process for preparing alkoxylated cross linking agents by prepar

1980-06-06

1981-10-27

Jacobs, Lewis T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

528254, 528256, 528260, 528261, 528262, 528263, 528268, 528269, 528495, 528496, 528501, 528502, C08L 6124, C08G 1206, C08G 1212, C08G 1232

Patent

active

042972647

ABSTRACT:
An improved process for the preparation of alkoxylated formaldehyde-amino compound resins. By using a sequential procedure, and an alkanol of up to 8 carbon atoms it is possible to remove both the water in the aqueous formaldehyde used and the water from the alkoxylation reaction azeotropically. The products of this invention afford resins of better quality, especially in terms of color and clarity, than the products derived from alcoholic formaldehyde solutions.

REFERENCES:
patent: 2548416 (1951-04-01), Barsky et al.
patent: 2998411 (1961-08-01), Housekeeper
patent: 3392150 (1968-07-01), Groll
patent: 4039493 (1977-08-01), Schon et al.
patent: 4143016 (1979-03-01), Honel
patent: 4174310 (1979-11-01), Hubbard
Derwent 96339x/52, (Dec. 16, 1976), Hoechst, (DS1595-224), "Isobutanol Etherified Melamine Formaldehyde Conprod. . . ".
Derwent Abs. 83534V/48, (Oct. 31, 1974), Honey Kaseikk, (J74040157), "Aminoplast Prep. for Electrode Paint . . . ".
Derwent Abs. 50429V/28, BASF AG (DT 2259-680), Water Sol. . . . Agents-Obt. by Condensing a Mit melamine & urea With Formd".

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