AP187A - Fibreboard and method for production thereof. - Google Patents
Fibreboard and method for production thereof. Download PDFInfo
- Publication number
- AP187A AP187A APAP/P/1990/000187A AP9000187A AP187A AP 187 A AP187 A AP 187A AP 9000187 A AP9000187 A AP 9000187A AP 187 A AP187 A AP 187A
- Authority
- AP
- ARIPO
- Prior art keywords
- fibrous material
- fibreboard
- amount
- powder
- weight
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 230000009970 fire resistant effect Effects 0.000 claims abstract description 7
- 239000002657 fibrous material Substances 0.000 claims description 17
- 239000000843 powder Substances 0.000 claims description 15
- 229920002522 Wood fibre Polymers 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000010802 sludge Substances 0.000 claims description 6
- 239000010455 vermiculite Substances 0.000 claims description 6
- 229910052902 vermiculite Inorganic materials 0.000 claims description 6
- 235000019354 vermiculite Nutrition 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 244000166124 Eucalyptus globulus Species 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J1/00—Fibreboard
- D21J1/16—Special fibreboard
- D21J1/20—Insulating board
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Building Environments (AREA)
Abstract
A fire resistant fibreboard formed from a suitable
Description
''FTRREBOARD AND METHOD FOR PRODUCTION THEREOF
This invention relates to & fire resistant fibreboard ferried -'rem a suitable fibrous material and ra a method of making me fibrebcard.
It is well known tc make both hard and soft fibreboards from suitable fibrous material such as wood fibre. Most of thr. fibreboards prcduccdby these methods are nof fire resistf1TF-'^R)r*jaiSiife thus their use in the tens t ruction industry does lead t·? a potential fire hazard. There is thus .1 need for a fire resistant r'i breho.i rd .
According to a first, aspect of the invention there is provided a fire resistant fibreboard formed from a suitable fibrous material such as wood fibre, which i3 characterised in that it contains an amount cf a hydrated silicate powder, the amount by weight cf the hydrated silicate powder to the fibrous material being in the rance of 1:4,5 to 1:1,2*.
According to another aspect of the invention there is provided a method of making a fire resistant fibreboard from a suitable fibrous material which includes the steps of:
(a) terming a sludge of the fibrous material with water:
!b) adding to the product of step (a) an amount of a hydrated silicate powder, the amount by weight of the hydrated silirste. power co the fibrous material being in the rsnre of 1:4.5 CO 1:1.25: and (;i pressing the product of step (h) under suitable conditions of temperature and pressure to form the fibreboard. __
BAD ORIGINAL
The 'r.vdratcd silicate powder is preferably a vermirulite powder.more preferably an expanded or exfoliated vermiculite powder.
The first asoect cf the invention is a ί ire resistant fibroocard which «y he a hard board or a soft board formed rrrm a suitable fibrous material such as wood fibre. The iicrebc-trd contains *« amount of a hydrated silicate powder, the amount by wcizht of *h? hydrated silicate powder to the fibrous oaten al being in 'r.c nge e
1:1.5 to 1:1.25The fibrous material, when it comprises «cod fibre, may bv obtained from tree species such as eucalyptus glubulus. ρ · * -i radidla or cuureSSUS ! i:: sin': ICS .
The hydrated silicate powder is preferably vermiculite. ten· oreferablv exr-anded or exfoliated vermiculite of a fire ’-ade.
The second aspect of the invention is a method for making a fibreboard as described above. The essence of the method cf the invention is that the hydrated silicate powder is added to a sludge of the fibrous material and that this mixture is then pressed under suitable conditions of temperature and pressure to form the fibreboard.
A detailed description of the method of the invention will now be given.
Logs and «avmill waste wood material is chipped into wood chips.
The chips are digested in a suitable digester to soften them.
The chips «re -efined to a wood fibre consistency by pressing the material threuah raffinatorsAP 0 0 0 1 8 7
The fibrous material is formed into a sludie with water. The aciditv of the sludge is adjusted with caustic soda.
A measureii amount of the sludge is passed to a forming press to form the fibreboards and to take out the excess moisture. At this stace. a measured amount of the hydrated silicate powder i.‘. added to the sludge and mixed therein. BAD ORIGINAL
This mixture is subjected to a hot press treataserr up t.e 1 oC'\' and a rressure of 12.? tonne·; *o form the fibrebc;irds.
To form a fibreboard ind-wcichiflio.e k<, re mixed with 7.5 ki measuring 5 feet { 2.4x) 5^4,Λ««·-4^-^^·*
1.? kg re 4 kg of exfoliated vermiculite .may to *.6 kg respectively of wood fibre.
| The fibreceara of the | invention has | the edvantaze that it is | fir»· |
| reroctant one thus | i« a s a i e r | material for use in | tr.o |
| construecion ir.dustry | for panels. .· | eilinr.s. flush doors and | thr |
| I ike. |
bad ORIGINAL
Claims (4)
1. A fire resistant fibreboard formed from a suitable fibrous material such as wood fibre, which is characterised in that it consists essentially of the suitable fibrous material and an amount of an expanded or exfoliated vermiculite powder, the amount by weight of the vermiculite powder to the fibrous material being in the range of 1:4.5 to 1:1.25.
2. A method of making a fire resistant fibreboard from a suitable fibrous material which includes the steps of:
(a) forming a sludge of the fibrous material with water;
(b) adding to the product of step (a) an amount of expanded or exfoliated vermiculate powder, the amount by weight of the vermiculate powder to the fibrous material being in the range of 1:4.5 to 1:1.25 by weight; and (c) pressing the product of step (b) under suitable conditions of temperature and pressure to form the fibreboard.
3. A method according to claim 2 in which step (c) comprises a hot press treatment at up to 180°C and a pressure of 12.5 tonnes.
4. Fibreboard made by a method according to claim 2 or claim 3.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8914202A GB2233357B (en) | 1989-06-21 | 1989-06-21 | Fibreboard and method for production thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AP9000187A0 AP9000187A0 (en) | 1990-07-31 |
| AP187A true AP187A (en) | 1992-07-28 |
Family
ID=10658782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| APAP/P/1990/000187A AP187A (en) | 1989-06-21 | 1990-06-15 | Fibreboard and method for production thereof. |
Country Status (2)
| Country | Link |
|---|---|
| AP (1) | AP187A (en) |
| GB (1) | GB2233357B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406970A (en) * | 2013-08-29 | 2013-11-27 | 广西三威林产工业有限公司 | Method for manufacturing flame-retardant medium-high density fiberboard |
| CN106426497A (en) * | 2016-11-10 | 2017-02-22 | 吉林省林业科学研究院 | Fiber plate and manufacturing method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4708910A (en) * | 1984-09-21 | 1987-11-24 | Forss Consult Ky, Kb | Fire-resistant wood composites, in particular wallboards, process for manufacture of same and use of a bonding agent in the manufacture |
| DE3641464A1 (en) * | 1986-12-04 | 1988-06-16 | Uwe Welteke | HEAT-INSULATING PANEL CONTAINING NATURAL FIBERS AND METHOD AND DEVICE FOR THEIR PRODUCTION |
| WO1989011384A1 (en) * | 1988-05-19 | 1989-11-30 | Sven Fredriksson | A sound absorbent and heat insulating fiber slab |
| DE3808207C2 (en) * | 1988-03-11 | 1990-04-19 | Rubin Dr.-Ing. 5100 Aachen De Eisenstein |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3379609A (en) * | 1964-01-16 | 1968-04-23 | United States Gypsum Co | Water-felted building product including nonfibrous cellulose binder |
| GB1404001A (en) * | 1972-03-08 | 1975-08-28 | Cape Universal Building Produc | Building board |
| JPS5471157A (en) * | 1977-11-18 | 1979-06-07 | Mitsui Mining & Smelting Co | Fiber board |
| DD256508A1 (en) * | 1986-12-30 | 1988-05-11 | Kali Veb K | METHOD FOR PRODUCING ASBEST-FREE SILICATE-LINED MINERAL FIBER PLATES |
-
1989
- 1989-06-21 GB GB8914202A patent/GB2233357B/en not_active Expired - Fee Related
-
1990
- 1990-06-15 AP APAP/P/1990/000187A patent/AP187A/en active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4708910A (en) * | 1984-09-21 | 1987-11-24 | Forss Consult Ky, Kb | Fire-resistant wood composites, in particular wallboards, process for manufacture of same and use of a bonding agent in the manufacture |
| DE3641464A1 (en) * | 1986-12-04 | 1988-06-16 | Uwe Welteke | HEAT-INSULATING PANEL CONTAINING NATURAL FIBERS AND METHOD AND DEVICE FOR THEIR PRODUCTION |
| DE3808207C2 (en) * | 1988-03-11 | 1990-04-19 | Rubin Dr.-Ing. 5100 Aachen De Eisenstein | |
| WO1989011384A1 (en) * | 1988-05-19 | 1989-11-30 | Sven Fredriksson | A sound absorbent and heat insulating fiber slab |
Also Published As
| Publication number | Publication date |
|---|---|
| AP9000187A0 (en) | 1990-07-31 |
| GB8914202D0 (en) | 1989-08-09 |
| GB2233357A (en) | 1991-01-09 |
| GB2233357B (en) | 1993-01-06 |
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