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

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

Similar Documents

Publication Publication Date Title
JPS52152442A (en) Polypropylene resin compositions
JPS533496A (en) Preparation of phenolic resin
JPS52112694A (en) Manufacture of fibers of films of phenolic resins
JPS5761015A (en) Production of phenol resin
JPS52152994A (en) Preparation of phenolic resin
JPS5280394A (en) Preparation of phenolic resins
JPS5250329A (en) Adhesive composition
JPS5388091A (en) Preparation of phenolic resin
JPS53121896A (en) Preparation of novel modified cyclopentadiene resin
JPS52146494A (en) Preparation of phenolic resin
JPS5329392A (en) Preparation of phenolic resin
JPS53106788A (en) Preparation of water soluble resol resin
JPS5216560A (en) Degassing of polyurethane resin
JPS5394588A (en) Production of phenolic resin
JPS51131837A (en) Process for depressing odor of phenolic compounds
JPS52144658A (en) Preparation of polyhydroxymethyl polyhydroxydiphenylmethanes
JPS54129087A (en) Production of phenolic resin
JPS54154493A (en) Preparation of substituted phenolic resin
JPS52102235A (en) Manufacture of phenols
JPS53133243A (en) Epoxy resin adhesive
JPS52133398A (en) Preparation of phenol resins
JPS539899A (en) Preparation of phenolic resins
JPS52113928A (en) Preparation of phenol
JPS537795A (en) Preparatin of resins having high softening point
JPS5225854A (en) Epoxy resin composition