Process for neutralizing halogenated acid intermediates for poly

Details Process for neutralizing halogenated acid intermediates for poly Process for neutralizing halogenated acid intermediates for poly

1974-09-09

1980-01-15

Phynes, Lucille M.

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

Synthetic resins

From carboxylic acid or derivative thereof

528299, 560 90, C08G 6318

Patent

active

041840356

ABSTRACT:
Disclosed is a process for neutralizing an inorganic acid in the presence of a halogenated aliphatic polybasic acid or anhydride. The neutralization is carried out by adding to said acid or anhydride a primary or secondary amine containing at least two active hydrogen atoms per molecule as determined by the Zerewittenoff Method, and neutralizing the inorganic acid in the presence of the polybasic acid or anhydride. In one embodiment, the halogenated aliphatic or alicyclic polybasic acid or anhydride is present in a mixture wth a halogenated aromatic polybasic acid or anhydride and with a polyol and the neutralization is carried out before substantial polymerization occurs between the acids and polyol.

REFERENCES:
patent: 3641111 (1972-02-01), Lazarus
patent: 3715383 (1973-02-01), Praetzel et al.
patent: 3742024 (1973-06-01), Ukai et al.
Kunin, Robert and Myers, Robert J., Ion Exchange Resins, (John Wiley & Sons, Inc., N.Y., N.Y.) 1950, pp. 57-60.
Ion Exchange Resins, 4th Ed. (The British Drug Houses Ltd., B.D.H. Laboratory Chemicals Div., Poole, England), 1959, pp. 1-4 and 7.

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