Aromatic hydrocarbon formaldehyde resin, modified aromatic hydrocarbon formaldehyde resin and epoxy resin, and method for producing these
AssigneeMitsubishi Gas Chemical Company, Inc.
InventorsGo Higashihara, Atsushi Okoshi
Life of this patent
Estimating the term…
Abstract
There is provided an aromatic hydrocarbon formaldehyde resin obtained by reacting an aromatic hydrocarbon compound (A) represented by the following formula (1) with formaldehyde (B) in the presence of an acidic catalyst. wherein R represents an organic group having 1 to 10 carbon atoms; l represents an integer of 0 to 2, and m and n represent integers satisfying 1≦m+n≦10, m≧0 and n≧1.
Claims19
An aromatic hydrocarbon formaldehyde resin, being obtained by reacting an aromatic hydrocarbon compound (A) represented by the following formula (1) with formaldehyde (B) in the presence of an acidic catalyst:
- wherein R represents an organic group having 1 to 10 carbon atoms;
- 1 represents an integer of 0 to 2, and m and n represent integers satisfying 1≦m+n≦10, m≧0 and n≧1, said aromatic hydrocarbon formaldehyde resin comprising substantially no diarylmethane.
A method for producing an aromatic hydrocarbon formaldehyde resin, comprising reacting an aromatic hydrocarbon compound (A) represented by the following formula (1) with formaldehyde (B) in the presence of an acidic catalyst:
- wherein R represents an organic group having 1 to 10 carbon atoms;
- 1 represents an integer of 0 to 2, and m and n represent integers satisfying 1≦m+n≦10, m≧0 and n≧1 to produce an aromatic hydrocarbon formaldehyde resin comprising substantially no diarylmethane.
Dependencies are inferred from the claim text.