Alkylation resins from polycyclic aromatic compounds

Details Alkylation resins from polycyclic aromatic compounds Alkylation resins from polycyclic aromatic compounds

1993-08-09

1995-02-21

Yoon, Tae H.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526237, 526280, 526281, 526282, 526283, 526290, 525 97, 525 98, 525133, 525185, 525189, 525534, 525535, 525905, 525906, 106 20R, C08F 3600, C08F 4700, C08F 406, C08F 414

Patent

active

053916700

ABSTRACT:
The alkylation resins of this invention comprise the alkylation reaction product of (a) at least one substituted or unsubstituted polycyclic aromatic compound and (b) at least one ethylenically unsaturated hydrocarbon monomer having at least two carbon-carbon double bonds that reacts with the polycyclic aromatic compound by alkylation in the presence of an acid catalyst, wherein the ratio of (a) to (b) in the resin is about 1:9 to about 3:1 by weight. The resins have a weight average molecular weight of less than 10,000 measured by size exclusion chromatography, and a Ring & Ball softening point of about 50.degree. to about 250.degree. C. Because of their high softening point and low molecular weight, the resins are useful in a variety of applications such as flow rate modifiers for engineering polymers, tackifiers for adhesives, and flushing agents for inks.

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Grant L. Hackh's "Chemical Dictionary", Fifth Ed. by Grant pp. 384, 557 & 558, McGraw-Hill, 1987.

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