Process for manufacturing a petroleum resin

Details Process for manufacturing a petroleum resin Process for manufacturing a petroleum resin

1979-12-13

1981-08-11

Wong, Jr., Harry

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 76, 526290, C08F21206, C08F21208

Patent

active

042835186

ABSTRACT:
The present invention relates to a process for manufacturing a petroleum resin wherein a fraction (component A) containing an aromatic hydrocarbon obtained by cracking of petroleum and a thermally polymerized oil (component B) obtained by previously thermal-polymerizing the component A are mixed and then the mixture of the components A and B is subjected to polymerization by employing a Friedel-Crafts catalyst. It is also directed to propose a petroleum resin of a superior quality having a softening point optionally in a range of 30.degree.-120.degree. C. and various bromine value in such a manner that a mixing ratio of the components A and B is properly adjusted.

REFERENCES:
patent: 2317858 (1943-04-01), Soday
patent: 2817647 (1957-12-01), Habeshaw et al.
patent: 2862914 (1958-12-01), Leary et al.
patent: 4156762 (1979-05-01), Kudo et al.

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