Petroleum resins and their production

Details Petroleum resins and their production Petroleum resins and their production

1987-01-07

1989-04-25

Briggs, Sr., Wilbert J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

524499, 525216, 525222, 525232, 526290, 526308, 526916, C08F21014, C08F21206

Patent

active

048249211

ABSTRACT:
Resins having an improved combination of softening point and tackifying properties together with good color and heat stability are obtained by Freidel-Crafts copolymerization of 4 to 80 wt. % of a C.sub.5 /C.sub.6 unsaturated feed; 5 to 55 wt. % of a terpene and 3 to 55 wt. % of an unsaturated aromatic compound.

REFERENCES:
patent: 4022723 (1977-05-01), Hokama et al.
patent: 4156762 (1979-05-01), Kudo et al.

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