Process for making hydroxyl terminated liquid polymers

Details Process for making hydroxyl terminated liquid polymers Process for making hydroxyl terminated liquid polymers

1981-05-18

1984-04-24

Brust, Joseph Paul

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260465D, 560 78, 560 79, 560191, 560198, 560199, 560200, C07C12128, C07C12138, C07C 6726, C07C 6748

Patent

active

044446926

ABSTRACT:
Hydroxyl terminated reactive liquid polymers are prepared by reacting ethylene oxide, in presence of an amine catalyst, with a carboxyl terminated reactive liquid polymer serum which contains, in addition to the carboxyl terminated liquid polymer, a solvent, an initiator, other reaction products formed during the reaction, and any unreacted reactants; adding a strong acid to form water-soluble amine salts; water-washing; coagulating; separating; drying; and recovering a shelf stable product.

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patent: 4069242 (1978-01-01), Gargiolo
patent: 4144395 (1979-03-01), Murphy et al.

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