JPS55123446A - Production of particle board - Google Patents
Production of particle boardInfo
- Publication number
- JPS55123446A JPS55123446A JP3092679A JP3092679A JPS55123446A JP S55123446 A JPS55123446 A JP S55123446A JP 3092679 A JP3092679 A JP 3092679A JP 3092679 A JP3092679 A JP 3092679A JP S55123446 A JPS55123446 A JP S55123446A
- Authority
- JP
- Japan
- Prior art keywords
- wood chip
- urea resin
- hot
- particle board
- produce
- 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
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
PURPOSE: To produce a particle board with a smooth surface by hot-pressing wood chips coated with a urea resin adhesive modified with an alcohol, after laminating in a mat form in such a manner that at least the surface layers are made up of the wood chip.
CONSTITUTION: Methanol, glycerin or the like are used for a urea resin adhesive to etherify the methylol group in the urea resin to thereby slightly delay the thermosetting. A wood chip is coated with this modified urea resin adhesive at the rate of 10W26wt%. In this process, to produce a particle board with a single layer structure the wood chip is laminated in a mat form and hot-presed. In the case of three-layer structure, the board is produced with the surface made up of afore-mentioned wood chip and the inner layer of the wood chip coated with an adhesive of a urea resin of a urea-melamine resin to which is added a small amount of NH4OH solution and NH4Cl at a rate of 8W20% in terms of solid contents with respect to the weight of the wood chip. The mat is inserted into a hot press to be hot-pressed at 150W190°C under the pressure of 20W30kg/cm2 to produce a particle board.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3092679A JPS5926463B2 (en) | 1979-03-15 | 1979-03-15 | Manufacturing method of verteckle board |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3092679A JPS5926463B2 (en) | 1979-03-15 | 1979-03-15 | Manufacturing method of verteckle board |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55123446A true JPS55123446A (en) | 1980-09-22 |
JPS5926463B2 JPS5926463B2 (en) | 1984-06-27 |
Family
ID=12317280
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3092679A Expired JPS5926463B2 (en) | 1979-03-15 | 1979-03-15 | Manufacturing method of verteckle board |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5926463B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57159637A (en) * | 1981-03-30 | 1982-10-01 | Sanyo Kokusaku Pulp Co Ltd | Manufacture of three-layer particle board |
KR100441381B1 (en) * | 2001-08-27 | 2004-07-23 | 대량실리콘 주식회사 | Synthetic wood capable of industrial material and its manufacturing method |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4765607A (en) * | 1985-03-08 | 1988-08-23 | Mars, Incorporated | Stacker apparatus |
-
1979
- 1979-03-15 JP JP3092679A patent/JPS5926463B2/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57159637A (en) * | 1981-03-30 | 1982-10-01 | Sanyo Kokusaku Pulp Co Ltd | Manufacture of three-layer particle board |
KR100441381B1 (en) * | 2001-08-27 | 2004-07-23 | 대량실리콘 주식회사 | Synthetic wood capable of industrial material and its manufacturing method |
Also Published As
Publication number | Publication date |
---|---|
JPS5926463B2 (en) | 1984-06-27 |
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