CA2026470A1 - Apparatus and Method of Manufacturing Synthetic Boards Including Fire-Retardant Boards - Google Patents
Apparatus and Method of Manufacturing Synthetic Boards Including Fire-Retardant BoardsInfo
- Publication number
- CA2026470A1 CA2026470A1 CA 2026470 CA2026470A CA2026470A1 CA 2026470 A1 CA2026470 A1 CA 2026470A1 CA 2026470 CA2026470 CA 2026470 CA 2026470 A CA2026470 A CA 2026470A CA 2026470 A1 CA2026470 A1 CA 2026470A1
- Authority
- CA
- Canada
- Prior art keywords
- binder
- diluent
- fibers
- emulsion
- retardant
- 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
- 239000003063 flame retardant Substances 0.000 title abstract 5
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 239000011230 binding agent Substances 0.000 abstract 9
- 239000003085 diluting agent Substances 0.000 abstract 8
- 239000000835 fiber Substances 0.000 abstract 6
- 239000000839 emulsion Substances 0.000 abstract 5
- 238000000034 method Methods 0.000 abstract 5
- 230000001804 emulsifying effect Effects 0.000 abstract 2
- 239000004114 Ammonium polyphosphate Substances 0.000 abstract 1
- 235000019826 ammonium polyphosphate Nutrition 0.000 abstract 1
- 229920001276 ammonium polyphosphate Polymers 0.000 abstract 1
- 238000007596 consolidation process Methods 0.000 abstract 1
- 238000004945 emulsification Methods 0.000 abstract 1
- 238000011010 flushing procedure Methods 0.000 abstract 1
- 239000012948 isocyanate Substances 0.000 abstract 1
- 150000002513 isocyanates Chemical class 0.000 abstract 1
- 239000007921 spray Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 238000011144 upstream manufacturing Methods 0.000 abstract 1
Landscapes
- Dry Formation Of Fiberboard And The Like (AREA)
- Paper (AREA)
- Nonwoven Fabrics (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
APPARATUS AND METHOD OF MANUFACTURING
SYNTHETIC BOARDS INCLUDING FIRE-RETARDANT BOARDS
Abstract of the Disclosure A method and apparatus for producing a synthetic board from cellulosic or lignocellulosic fibers is disclosed wherein a standard isocyanate binder is emulsified and immediately applied to the fibers before consolidation into a finished board product. The apparatus includes an emulsification and application nozzle comprising a diluent inlet, a binder inlet, a mixing section for emulsifying the diluent and the binder, and a spray nozzle for applying the binder/diluent emulsion to the fibers. The method includes supplying a binder stream, supplying a diluent stream, emulsifying the binder with the diluent and immediately applying the emulsion to the fibers. The method further includes flushing the binder/diluent emulsion using the diluent at the end of a binder application run to prevent curing of the emulsion and clogging of the apparatus. The binder/diluent emulsion can be applied to the fibers either in the blowline or downstream of the blowline, such as in the blender. A method and apparatus are also disclosed for producing fire-retardant boards in which a fire-retardant chemical, such as an ammonium polyphosphate, is applied to the fibers downstream of the refiner and upstream of the mat-former. Finally, a fire-retardant board product is disclosed that is made in accordance with the foregoing described methods and apparatuses.
SYNTHETIC BOARDS INCLUDING FIRE-RETARDANT BOARDS
Abstract of the Disclosure A method and apparatus for producing a synthetic board from cellulosic or lignocellulosic fibers is disclosed wherein a standard isocyanate binder is emulsified and immediately applied to the fibers before consolidation into a finished board product. The apparatus includes an emulsification and application nozzle comprising a diluent inlet, a binder inlet, a mixing section for emulsifying the diluent and the binder, and a spray nozzle for applying the binder/diluent emulsion to the fibers. The method includes supplying a binder stream, supplying a diluent stream, emulsifying the binder with the diluent and immediately applying the emulsion to the fibers. The method further includes flushing the binder/diluent emulsion using the diluent at the end of a binder application run to prevent curing of the emulsion and clogging of the apparatus. The binder/diluent emulsion can be applied to the fibers either in the blowline or downstream of the blowline, such as in the blender. A method and apparatus are also disclosed for producing fire-retardant boards in which a fire-retardant chemical, such as an ammonium polyphosphate, is applied to the fibers downstream of the refiner and upstream of the mat-former. Finally, a fire-retardant board product is disclosed that is made in accordance with the foregoing described methods and apparatuses.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IE91090A IE62452B1 (en) | 1989-03-20 | 1990-03-14 | Apparatus and method of manufacturing synthetic boards including fire-retardant boards |
| IE910/90 | 1990-03-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2026470A1 true CA2026470A1 (en) | 1991-09-15 |
| CA2026470C CA2026470C (en) | 1998-12-01 |
Family
ID=11019676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2026470 Expired - Lifetime CA2026470C (en) | 1990-03-14 | 1990-09-28 | Apparatus and method of manufacturing synthetic boards including fire-retardant boards |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPH03270901A (en) |
| AU (1) | AU628649B2 (en) |
| CA (1) | CA2026470C (en) |
| MX (1) | MX174334B (en) |
| NZ (1) | NZ235385A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112359651A (en) * | 2020-11-10 | 2021-02-12 | 徐州亮华包装制品有限公司 | Moisture-proof flame-retardant packaging paper and processing technology thereof |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4598578B2 (en) * | 2005-03-29 | 2010-12-15 | オリンパス株式会社 | Method for producing compressed wood |
| JP2011062983A (en) * | 2009-09-18 | 2011-03-31 | Hokushin Co Ltd | Flameproof mdf and method for manufacturing the same |
| ITRN20130029A1 (en) * | 2013-07-22 | 2015-01-23 | Richard Birnbaum | METHOD AND PLANT FOR THE CONSTRUCTION OF A POLYVALENT PANEL IN COMPOSITE MATERIAL. |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3874990A (en) * | 1973-06-13 | 1975-04-01 | Collins Pine Company | Flame-retardant particle-board and process for making same |
| US4542041A (en) * | 1983-02-16 | 1985-09-17 | The Upjohn Company | Apparatus for coating particulate material |
| ZA848566B (en) * | 1983-11-05 | 1985-07-31 | Hoechst Ag | Difficultly flammable extruded articles,especially extruded boards,and difficultly flammable veneered or coated extruded boards,a process for making them and their uses |
-
1990
- 1990-09-19 MX MX2246690A patent/MX174334B/en unknown
- 1990-09-19 AU AU62675/90A patent/AU628649B2/en not_active Ceased
- 1990-09-19 NZ NZ23538590A patent/NZ235385A/en unknown
- 1990-09-28 CA CA 2026470 patent/CA2026470C/en not_active Expired - Lifetime
- 1990-11-15 JP JP30736590A patent/JPH03270901A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112359651A (en) * | 2020-11-10 | 2021-02-12 | 徐州亮华包装制品有限公司 | Moisture-proof flame-retardant packaging paper and processing technology thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| NZ235385A (en) | 1993-02-25 |
| AU6267590A (en) | 1990-12-13 |
| CA2026470C (en) | 1998-12-01 |
| MX174334B (en) | 1994-05-09 |
| JPH03270901A (en) | 1991-12-03 |
| AU628649B2 (en) | 1992-09-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |