Process for the complete neutralization of chlorinated polyvinyl

Details Process for the complete neutralization of chlorinated polyvinyl Process for the complete neutralization of chlorinated polyvinyl

1992-10-14

1994-10-25

Lipman, Bernard

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

Synthetic resins

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

5253316, 525340, 525356, C08F 842

Patent

active

053590112

ABSTRACT:
A novel process has been found in which effectively and completely neutralizes chlorinated polyvinyl chloride resin. The process comprises neutralizing the chlorinated polyvinyl chloride resin by a weak non-gassing base. The weak non-gassing base has a pKa less than 7.0 and is not a carbonate. The resulting chlorinated polyvinyl chloride polymer is stable and does not degrade.

REFERENCES:
patent: 3440236 (1969-04-01), Foster et al.
patent: 3551400 (1970-12-01), Yonezu et al.
patent: 4373093 (1983-02-01), Olson et al.
patent: 4374205 (1983-02-01), Hall
patent: 4412898 (1983-11-01), Olson et al.

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