Title:
新規なフェノール・アルデヒド樹脂およびその製造方法ならびにその用途
Document Type and Number:
Japanese Patent JP4551387
Kind Code:
B2
Abstract:
A phenolic resin having not more than 5 wt% of free bisphenol and a molecular weight distribution Mw/Mn of not more than 2.0 is prepared by reacting a bisphenol and aldehyde in the presence of an alkaline catalyst at a temperature of from 0° C. to 100° C., neutralizing with an acid, adding an acid to adjust the pH to from 0 to 6, heating to a temperature of from 50° C. to 200° C, and vacuuming to recover the phenolic resin.
Inventors:
Source of yellow
Moriyasu Kuni
Takao Toshio
Su Ho Ken
Moriyasu Kuni
Takao Toshio
Su Ho Ken
Application Number:
JP2006296285A
Publication Date:
September 29, 2010
Filing Date:
October 31, 2006
Export Citation:
Assignee:
CHANG CHUN PLASTICS CO., LTD.
International Classes:
C08G8/00; C08G8/20
Domestic Patent References:
| JP62015217A | ||||
| JP11286647A | ||||
| JP2005154480A | ||||
| JP61138614A | ||||
| JP2000309679A |
Attorney, Agent or Firm:
Patent corporation ssinpat