Main > POLYMERS > Phenol. Formol > Modification > Low Viscosity. Reactive

Product Japan. K.

PATENT ASSIGNEE'S COUNTRY Japan
UPDATE 08.99
USES Molding. Plastics
PATENT ASSIGNEE This data is not available for free
PATENT CLAIMS - Low-melt-viscosity modified phenolic resin having viscosity
at 150C of 0.2-4.5 poises obtained by polycondensing a pe
troleum heavy oil, formol polymer, & phenol in presence of
acid catalyst to prepare a modified resin
- Reacting modified phenol. resin with phenol at 140-200C in
presence of acid catalyst to lower MW &
- Epoxy resin
PATENT PHOTOCOPY Available on request

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