JPS52154892A - Preparation of phenol-formaldehyde resin for shell molding - Google Patents
Preparation of phenol-formaldehyde resin for shell moldingInfo
- Publication number
- JPS52154892A JPS52154892A JP7181476A JP7181476A JPS52154892A JP S52154892 A JPS52154892 A JP S52154892A JP 7181476 A JP7181476 A JP 7181476A JP 7181476 A JP7181476 A JP 7181476A JP S52154892 A JPS52154892 A JP S52154892A
- Authority
- JP
- Japan
- Prior art keywords
- phenol
- formaldehyde resin
- preparation
- shell molding
- molding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Phenolic Resins Or Amino Resins (AREA)
Abstract
PURPOSE: To prepare a phenol-formaldehyde resin for shell molding hving higher strength by the copolycondensation of a difunctional phenol.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7181476A JPS52154892A (en) | 1976-06-18 | 1976-06-18 | Preparation of phenol-formaldehyde resin for shell molding |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7181476A JPS52154892A (en) | 1976-06-18 | 1976-06-18 | Preparation of phenol-formaldehyde resin for shell molding |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52154892A true JPS52154892A (en) | 1977-12-22 |
Family
ID=13471395
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7181476A Pending JPS52154892A (en) | 1976-06-18 | 1976-06-18 | Preparation of phenol-formaldehyde resin for shell molding |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52154892A (en) |
-
1976
- 1976-06-18 JP JP7181476A patent/JPS52154892A/en active Pending
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