JPS54112992A - Preparation of modified phenolic resin - Google Patents

Preparation of modified phenolic resin

Info

Publication number
JPS54112992A
JPS54112992A JP2069878A JP2069878A JPS54112992A JP S54112992 A JPS54112992 A JP S54112992A JP 2069878 A JP2069878 A JP 2069878A JP 2069878 A JP2069878 A JP 2069878A JP S54112992 A JPS54112992 A JP S54112992A
Authority
JP
Japan
Prior art keywords
phenolic resin
modified phenolic
precondensate
preparation
reacting
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
JP2069878A
Other languages
Japanese (ja)
Inventor
Michio Nakai
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 JP2069878A priority Critical patent/JPS54112992A/en
Publication of JPS54112992A publication Critical patent/JPS54112992A/en
Pending legal-status Critical Current

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  • Phenolic Resins Or Amino Resins (AREA)

Abstract

PURPOSE:To prepare a modified phenolic resin having excellent water resisting property, light-resistance, heat resistance and flexibility, by reacting a methylolamide precondensate with phenol at a specific ratio. CONSTITUTION:(A) An amide, e.g. benzenesulfonamide, etc., is reacted with (B) formaldehyde and (C) 3-methylpentane-1,3,5-triol to give the precondensate. A modified phenolic resin is prepared by reacting the precondensate with (D) phenol preferably at pH 8 - 9 and at 90 - 100 deg.C. The molar ratios of (A):(B):(C):(D) are 0.2 - 0.6 : 1.2 - 1.8 : 0.03 - 0.08 : 1.
JP2069878A 1978-02-23 1978-02-23 Preparation of modified phenolic resin Pending JPS54112992A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2069878A JPS54112992A (en) 1978-02-23 1978-02-23 Preparation of modified phenolic resin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2069878A JPS54112992A (en) 1978-02-23 1978-02-23 Preparation of modified phenolic resin

Publications (1)

Publication Number Publication Date
JPS54112992A true JPS54112992A (en) 1979-09-04

Family

ID=12034365

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2069878A Pending JPS54112992A (en) 1978-02-23 1978-02-23 Preparation of modified phenolic resin

Country Status (1)

Country Link
JP (1) JPS54112992A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5085751A (en) * 1973-12-06 1975-07-10
JPS52145614A (en) * 1976-05-28 1977-12-03 Chuo Hatsujo Kk Exhaust gas purifying catalytic honey comb support cushion body and method of forming

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5085751A (en) * 1973-12-06 1975-07-10
JPS52145614A (en) * 1976-05-28 1977-12-03 Chuo Hatsujo Kk Exhaust gas purifying catalytic honey comb support cushion body and method of forming

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