Process for producing lactone high polymers

Details Process for producing lactone high polymers Process for producing lactone high polymers

1981-03-16

1982-11-02

Nielsen, Earl A.

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

Synthetic resins

From carboxylic acid or derivative thereof

C08G 6310

Patent

active

043574629

ABSTRACT:
A process for producing resinous lactone high polymers by the catalytic polymerization of lactones having a water content of less than 0.1% in the presence of a catalyst selected from the group consisting of stannous chloride, stannous bromide, stannous iodide, titanium trichloride, titanium tetrachloride, ammonium molybdate, zirconium nitrate, zirconium oxychloride and zirconium carboxylates, as a catalyst.

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patent: 2890208 (1959-06-01), Young et al.
patent: 3197445 (1965-07-01), Cline
patent: 3232911 (1966-02-01), Fukui et al.
patent: 3284417 (1966-11-01), Hostettler et al.
patent: 3442871 (1969-05-01), Schmitt et al.
patent: 3468853 (1969-09-01), Schmitt et al.

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