JPS533496A - Preparation of phenolic resin - Google Patents

Preparation of phenolic resin

Info

Publication number
JPS533496A
JPS533496A JP7821976A JP7821976A JPS533496A JP S533496 A JPS533496 A JP S533496A JP 7821976 A JP7821976 A JP 7821976A JP 7821976 A JP7821976 A JP 7821976A JP S533496 A JPS533496 A JP S533496A
Authority
JP
Japan
Prior art keywords
phenolic resin
preparation
waste solution
phenol
paraformaldehyde
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
Application number
JP7821976A
Other languages
Japanese (ja)
Inventor
Tokio Yoshimitsu
Hideo Izumi
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP7821976A priority Critical patent/JPS533496A/en
Publication of JPS533496A publication Critical patent/JPS533496A/en
Pending legal-status Critical Current

Links

Landscapes

  • Phenolic Resins Or Amino Resins (AREA)
  • Removal Of Specific Substances (AREA)

Abstract

PURPOSE: To reuse effectively waste solution containing unreacted phenol which results from the dehydrating process inthe preparation of phenolic resin by adding said waste solution to a mixture of a phenol and paraformaldehyde and reacting them.
COPYRIGHT: (C)1978,JPO&Japio
JP7821976A 1976-06-30 1976-06-30 Preparation of phenolic resin Pending JPS533496A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7821976A JPS533496A (en) 1976-06-30 1976-06-30 Preparation of phenolic resin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7821976A JPS533496A (en) 1976-06-30 1976-06-30 Preparation of phenolic resin

Publications (1)

Publication Number Publication Date
JPS533496A true JPS533496A (en) 1978-01-13

Family

ID=13655927

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7821976A Pending JPS533496A (en) 1976-06-30 1976-06-30 Preparation of phenolic resin

Country Status (1)

Country Link
JP (1) JPS533496A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS606628A (en) * 1983-06-27 1985-01-14 Hitachi Chem Co Ltd Recovery of phenol from condensed water of phenolic resin synthesis process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS606628A (en) * 1983-06-27 1985-01-14 Hitachi Chem Co Ltd Recovery of phenol from condensed water of phenolic resin synthesis process

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