FR2100489A5 - Dry binder for chip board - based on dry resins or catalyst - free aq soln of melamine resin - Google Patents
Dry binder for chip board - based on dry resins or catalyst - free aq soln of melamine resinInfo
- Publication number
- FR2100489A5 FR2100489A5 FR7125236A FR7125236A FR2100489A5 FR 2100489 A5 FR2100489 A5 FR 2100489A5 FR 7125236 A FR7125236 A FR 7125236A FR 7125236 A FR7125236 A FR 7125236A FR 2100489 A5 FR2100489 A5 FR 2100489A5
- Authority
- FR
- France
- Prior art keywords
- soln
- chips
- dry
- binder
- catalyst
- 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.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N1/00—Pretreatment of moulding material
- B27N1/02—Mixing the material with binding agent
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Forests & Forestry (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
Mouldings or panels of chip-board with little or no bubbling, low hygroscopy, good resistance to wear, acids and alkalis made by using as binder either dry chips or films or urea, phenol, malemine or resorcinol resins (mixing equal proportions of wood and resin chips and forming the article at 150 degrees C at 250 kg/cm2) or spraying onto the wood-chips a catalyst-free aq. soln. of pure melamine resin (6 wt. parts resin to 4 wt. parts water), drying the coated chips and forming the article at 160 degrees C under 300 kg/cm2. About 150 ml soln. are sprayed onto 100 g dried wood-chips. A polyethylene glycol soln. can be added to the binder soln. to reduce the brittleness of the chip-board. Panels are esp. suitable for flooring.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2727170 | 1970-07-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2100489A5 true FR2100489A5 (en) | 1972-03-17 |
Family
ID=11221323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7125236A Expired FR2100489A5 (en) | 1970-07-10 | 1971-07-09 | Dry binder for chip board - based on dry resins or catalyst - free aq soln of melamine resin |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH530263A (en) |
| DE (1) | DE2133373A1 (en) |
| ES (1) | ES394050A1 (en) |
| FR (1) | FR2100489A5 (en) |
-
1971
- 1971-07-05 DE DE19712133373 patent/DE2133373A1/en active Pending
- 1971-07-07 CH CH993471A patent/CH530263A/en not_active IP Right Cessation
- 1971-07-08 ES ES71394050A patent/ES394050A1/en not_active Expired
- 1971-07-09 FR FR7125236A patent/FR2100489A5/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH530263A (en) | 1972-11-15 |
| DE2133373A1 (en) | 1972-01-20 |
| ES394050A1 (en) | 1973-12-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |