JPS55123446A - Production of particle board - Google Patents

Production of particle board

Info

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
Application number
JP3092679A
Other languages
Japanese (ja)
Other versions
JPS5926463B2 (en
Inventor
Koji Higuchi
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.)
Eidai Co Ltd
Original Assignee
Eidai Co 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 Eidai Co Ltd filed Critical Eidai Co Ltd
Priority to JP3092679A priority Critical patent/JPS5926463B2/en
Publication of JPS55123446A publication Critical patent/JPS55123446A/en
Publication of JPS5926463B2 publication Critical patent/JPS5926463B2/en
Expired legal-status Critical Current

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
JP3092679A 1979-03-15 1979-03-15 Manufacturing method of verteckle board Expired JPS5926463B2 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4765607A (en) * 1985-03-08 1988-08-23 Mars, Incorporated Stacker apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
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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