JPS5321292A - Preparation of phenol resin - Google Patents

Preparation of phenol resin

Info

Publication number
JPS5321292A
JPS5321292A JP9520676A JP9520676A JPS5321292A JP S5321292 A JPS5321292 A JP S5321292A JP 9520676 A JP9520676 A JP 9520676A JP 9520676 A JP9520676 A JP 9520676A JP S5321292 A JPS5321292 A JP S5321292A
Authority
JP
Japan
Prior art keywords
preparation
phenol resin
formaldehyde
washing
ammonium salt
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.)
Granted
Application number
JP9520676A
Other languages
Japanese (ja)
Other versions
JPS5535405B2 (en
Inventor
Hirokuni Ono
Fumio Tashiro
Shigeki Tanaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Showa Denko Materials Co Ltd
Original Assignee
Hitachi Chemical Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Chemical Co Ltd filed Critical Hitachi Chemical Co Ltd
Priority to JP9520676A priority Critical patent/JPS5321292A/en
Publication of JPS5321292A publication Critical patent/JPS5321292A/en
Publication of JPS5535405B2 publication Critical patent/JPS5535405B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Phenolic Resins Or Amino Resins (AREA)

Abstract

PURPOSE: To obtain transparent resin by addition reacting phenols with formaldehyde in the presence of basic catalyst, adding ammonium salt of strong acid and washing with water.
COPYRIGHT: (C)1978,JPO&Japio
JP9520676A 1976-08-10 1976-08-10 Preparation of phenol resin Granted JPS5321292A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9520676A JPS5321292A (en) 1976-08-10 1976-08-10 Preparation of phenol resin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9520676A JPS5321292A (en) 1976-08-10 1976-08-10 Preparation of phenol resin

Publications (2)

Publication Number Publication Date
JPS5321292A true JPS5321292A (en) 1978-02-27
JPS5535405B2 JPS5535405B2 (en) 1980-09-13

Family

ID=14131265

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9520676A Granted JPS5321292A (en) 1976-08-10 1976-08-10 Preparation of phenol resin

Country Status (1)

Country Link
JP (1) JPS5321292A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5087625A (en) * 1973-12-05 1975-07-14
JPS55133415A (en) * 1979-04-04 1980-10-17 Asahi Organic Chem Ind Co Ltd Preparation of organic, self-curing liquid phenolic resin composition for mold
JPS59203245A (en) * 1983-05-02 1984-11-17 Sony Corp Information recording device
JPH03149211A (en) * 1989-11-06 1991-06-25 Murata Mfg Co Ltd Production of electronic part sealing material

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6893289B2 (en) 2018-10-01 2021-06-23 亮嗣 桑畑 Biostimulator

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49113895A (en) * 1973-03-05 1974-10-30

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49113895A (en) * 1973-03-05 1974-10-30

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5087625A (en) * 1973-12-05 1975-07-14
JPS5531550B2 (en) * 1973-12-05 1980-08-19
JPS55133415A (en) * 1979-04-04 1980-10-17 Asahi Organic Chem Ind Co Ltd Preparation of organic, self-curing liquid phenolic resin composition for mold
JPS5817211B2 (en) * 1979-04-04 1983-04-05 旭有機材工業株式会社 Method for producing liquid phenolic resin composition for organic self-hardening molds
JPS59203245A (en) * 1983-05-02 1984-11-17 Sony Corp Information recording device
JPH0467254B2 (en) * 1983-05-02 1992-10-27 Sony Corp
JPH03149211A (en) * 1989-11-06 1991-06-25 Murata Mfg Co Ltd Production of electronic part sealing material

Also Published As

Publication number Publication date
JPS5535405B2 (en) 1980-09-13

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