Low-volatile and strongly basic tertiary amino alcohols as catal

Details Low-volatile and strongly basic tertiary amino alcohols as catal Low-volatile and strongly basic tertiary amino alcohols as catal

1995-06-23

1997-04-22

Acquah, Samuel A.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528137, 528145, 528147, 528162, 528163, 528164, 528259, 528480, 528491, 528495, 528498, C08L 828, C08L 6106

Patent

active

056230320

ABSTRACT:
A process for preparing ashless and low-ash phenolic resole resins having no amine odor, and a process for preparing storage-stable mixtures or premix solutions of phenol-formaldehyde resin and urea or unrea-formaldehyde resins. These processes react phenol and formaldehyde in the presence of an effective catalytic amount of a low-volatile and strongly basic tertiary amino alcohol either alone or in combination with an inorganic base.

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patent: 4028367 (1977-06-01), Higginbottom
patent: 4332709 (1982-06-01), Kooijmans et al.
patent: 4757108 (1988-07-01), Wallsser
patent: 4960826 (1990-10-01), Wallsser
patent: 5032431 (1991-07-01), Conner et al.
patent: 5296584 (1994-03-01), Walisser

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