Functional polycyclopentadiene resins via hydroboration process

Details Functional polycyclopentadiene resins via hydroboration process Functional polycyclopentadiene resins via hydroboration process

1990-03-19

1992-03-03

Lipman, Bernard

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

5253321, 525344, 525366, 525369, 525377, 525384, C08F 834

Patent

active

050934333

ABSTRACT:
A process for preparing a functionalized petroleum resin which comprises the steps of: dissolving a petroleum resin having a norbornene moiety with a double bond in a solvent to form a solution; adding to the solution a borane compound having the formula: ##STR1## wherein R.sub.1 and R.sub.2 are alkyl or cycloalkyl groups having about 1 to about 10 carbonations; reacting said petroleum resin with said borane compound at about room temperature for a sufficient period of time to form a borane intermediate; and reacting said borane intermediate with a chemical agent to convert said borane intermediate into said functionalized petroleum resin.

REFERENCES:
patent: 4639498 (1987-01-01), Ritter
patent: 4734472 (1980-03-01), Chung
patent: 4751276 (1988-01-01), Chung
patent: 4950712 (1990-08-01), Letourneor et al.

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