Procedure for the preparation of colorless hydrocarbon resins

Details Procedure for the preparation of colorless hydrocarbon resins Procedure for the preparation of colorless hydrocarbon resins

1992-02-11

1994-03-15

Schoffer, Joseph L.

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

Synthetic resins

Treating polymer containing material or treating a solid...

528499, C08F 628

Patent

active

052946975

ABSTRACT:
A procedure is described for the preparation of colorless hydrocarbon resins having a higher thermal stability than similar products in the known art. The procedure involves the treatment of polymeric mixtures deriving from the (co)polymerization by means of Friedel-Crafts catalysts of hydrocarbons or mixtures of ethylenically unsaturated hydrocarbons, with an organometallic compound of Magnesium and/or Lithium, the separation of the inorganic residues and the final removal of the volatile organic products.

REFERENCES:
patent: 3090777 (1963-05-01), Antonsen et al.
patent: 4284762 (1981-08-01), Miyata et al.
patent: 4369306 (1993-01-01), Toyota et al.
patent: 5175247 (1992-12-01), Magni et al.

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