JPS54148823A - Phenolic resin adhesive - Google Patents
Phenolic resin adhesiveInfo
- Publication number
- JPS54148823A JPS54148823A JP5717678A JP5717678A JPS54148823A JP S54148823 A JPS54148823 A JP S54148823A JP 5717678 A JP5717678 A JP 5717678A JP 5717678 A JP5717678 A JP 5717678A JP S54148823 A JPS54148823 A JP S54148823A
- Authority
- JP
- Japan
- Prior art keywords
- phenolic resin
- reaction
- resin adhesive
- formaldehyde
- mole
- 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
Links
Landscapes
- Dry Formation Of Fiberboard And The Like (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
PURPOSE: After phenol and formaldehyde in water are subjected to the reaction in the presence of a caustic alkali, the polycondensation reaction is effected to produce a phenolic resin adhesive that is good in operation and adhesion performances and readily of spray coating on wood chips.
CONSTITUTION: An aqueous solution of mixture consisting of 1 mole of phenol, 2,2W2,8, preferably 2.4W2.7 moles of formaldehyde, 0.4W0.8, preferably 0.5W0.8 mole of a caustic alkali is heated to 30W60, preferably to 40W50°C to effect the reaction and then heated to 70W90, preferably 75W85°C to effect the polycondensation reaction. Thus, an adhesive of an aqueous phenolic resin solution of 35W45, preferably 38W42 wt% non-volatile content, 200W400, preferably 220W350 P.S. viscosity, and 10.9W12.5, preferably 11.0W12.0 pH is obtained.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5717678A JPS54148823A (en) | 1978-05-16 | 1978-05-16 | Phenolic resin adhesive |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5717678A JPS54148823A (en) | 1978-05-16 | 1978-05-16 | Phenolic resin adhesive |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54148823A true JPS54148823A (en) | 1979-11-21 |
Family
ID=13048214
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5717678A Pending JPS54148823A (en) | 1978-05-16 | 1978-05-16 | Phenolic resin adhesive |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54148823A (en) |
Cited By (3)
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 |
US5130072A (en) * | 1989-06-16 | 1992-07-14 | Hoechst Aktiengesellschaft | Process for the production of a molded body comprising pressed particles and a phenolic resin |
EP0672524A1 (en) * | 1994-03-15 | 1995-09-20 | Basf Aktiengesellschaft | Method of making dimensionally stable sound dampening building elements |
-
1978
- 1978-05-16 JP JP5717678A patent/JPS54148823A/en active Pending
Cited By (3)
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 |
US5130072A (en) * | 1989-06-16 | 1992-07-14 | Hoechst Aktiengesellschaft | Process for the production of a molded body comprising pressed particles and a phenolic resin |
EP0672524A1 (en) * | 1994-03-15 | 1995-09-20 | Basf Aktiengesellschaft | Method of making dimensionally stable sound dampening building elements |
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