JPS55116717A - Preparation of resol-type phenol-formaldehyde resin - Google Patents
Preparation of resol-type phenol-formaldehyde resinInfo
- Publication number
- JPS55116717A JPS55116717A JP2397779A JP2397779A JPS55116717A JP S55116717 A JPS55116717 A JP S55116717A JP 2397779 A JP2397779 A JP 2397779A JP 2397779 A JP2397779 A JP 2397779A JP S55116717 A JPS55116717 A JP S55116717A
- Authority
- JP
- Japan
- Prior art keywords
- resol
- preparation
- moles
- formaldehyde resin
- type phenol
- 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
Links
Landscapes
- Phenolic Resins Or Amino Resins (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
PURPOSE: To obtain the title resin having improved coating performance and impregnation into substrates and aggregates, moisture and heat resistance, adhesion, and a high curing rate, by reacting phenol with formaldehyde under specific conditions.
CONSTITUTION: (A) One mole of phenol s reacted with (B) 3.5W6.0 moles of formaldehyde in the presence of 0.1W2.0 moles of an alkaline catalyst, preferably a tertiary amine, at 40W100°C until the water miscibility becomes 0.3W4.0ml/g, preferably 0.3W2.0ml/g. The reaction product is neutralized with an acid having a dissociation constant ≥10-5, preferably ≥10-2 to give a pH of 4.5W6.5. The resulting resin is precipitated, separated, and purified.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2397779A JPS6031324B2 (en) | 1979-02-28 | 1979-02-28 | Manufacturing method of resol type phenol formaldehyde resin |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2397779A JPS6031324B2 (en) | 1979-02-28 | 1979-02-28 | Manufacturing method of resol type phenol formaldehyde resin |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55116717A true JPS55116717A (en) | 1980-09-08 |
JPS6031324B2 JPS6031324B2 (en) | 1985-07-22 |
Family
ID=12125608
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2397779A Expired JPS6031324B2 (en) | 1979-02-28 | 1979-02-28 | Manufacturing method of resol type phenol formaldehyde resin |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6031324B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4758478A (en) * | 1986-09-30 | 1988-07-19 | Daisy Nick K | Fast curing phenolic resins and bonding methods employing same |
US6420496B1 (en) * | 1998-08-03 | 2002-07-16 | Cognis Corporation | Reaction product of phenol-aldehyde with polyamine(-epoxy adduct) and proton donor |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01254225A (en) * | 1988-04-04 | 1989-10-11 | Nitta Ind Corp | Air cleaning apparatus as well as air pollution determining apparatus and filter clogging detector therefor |
-
1979
- 1979-02-28 JP JP2397779A patent/JPS6031324B2/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4758478A (en) * | 1986-09-30 | 1988-07-19 | Daisy Nick K | Fast curing phenolic resins and bonding methods employing same |
US6420496B1 (en) * | 1998-08-03 | 2002-07-16 | Cognis Corporation | Reaction product of phenol-aldehyde with polyamine(-epoxy adduct) and proton donor |
Also Published As
Publication number | Publication date |
---|---|
JPS6031324B2 (en) | 1985-07-22 |
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