CN107116638A - A kind of preparation method of high fire-retardance Recombined bamboo - Google Patents
A kind of preparation method of high fire-retardance Recombined bamboo Download PDFInfo
- Publication number
- CN107116638A CN107116638A CN201710349139.0A CN201710349139A CN107116638A CN 107116638 A CN107116638 A CN 107116638A CN 201710349139 A CN201710349139 A CN 201710349139A CN 107116638 A CN107116638 A CN 107116638A
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- China
- Prior art keywords
- bamboo
- preparation
- retardance
- high fire
- recombined
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27J—MECHANICAL WORKING OF CANE, CORK, OR SIMILAR MATERIALS
- B27J7/00—Mechanical working of tree or plant materials not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/08—Impregnating by pressure, e.g. vacuum impregnation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/34—Organic impregnating agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/007—Treating of wood not provided for in groups B27K1/00, B27K3/00 using pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/04—Combined bleaching or impregnating and drying of wood
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K2240/00—Purpose of the treatment
- B27K2240/30—Fireproofing
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Forests & Forestry (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention discloses a kind of preparation method of high fire-retardance Recombined bamboo, this preparation method is by bamboo inferior, the low-quality bamboo processing Cheng Zhusi such as bamboo wood leftover bits and pieces, then high-temperature process is carried out to it using the higher boiling dimethyl sulphoxide solution containing acetylacetonate, bamboo silk after processing is loaded with metal salt, its permeable and toughness are improved, then by the bamboo silk after processing through polyborosiloxane modified silicasol impregnation process, the intensity and anti-flammability of bamboo silk after processing are effectively improved, finally again through drying, applying glue, Recombined bamboo strong-toughness fire-resisting is obtained after hot-press solidifying processing, anti-corrosion moisture-resistant, board dimension stability is good, without traditional low-poison and combustion-resisting agent, it is economic and environment-friendly.
Description
Technical field
The present invention relates to Recombined bamboo preparing technical field, more particularly to a kind of preparation method of high fire-retardance Recombined bamboo.
Background technology
Recombined bamboo is also known as heavy bamboo, is a kind of a kind of bamboo matter new material that bamboo wood is reorganized and strengthened and is molded,
Exactly bamboo processing is grown up and strip thin bamboo strips used for weaving, bamboo silk or pulverizes into bamboo tow, after drying impregnation, re-dry is to requiring aqueous
Rate, then lays in a mold, the section bar through HTHP heat cure, and due to the shortage of timber, Recombined bamboo turns into one kind
Important alternative materials, have broad application prospects in fields such as building, decorations.At present to the research master of Recombined bamboo
Concentrate in terms of preparation technology, performance improvement, the anti-flammability for Recombined bamboo improves but attention not enough.
The anti-flammability that prior art improves Recombined bamboo mainly will be fire-retardant using the method for impregnating by pressure or normal pressure impregnation process
Agent is impregnated into the lifting that anti-flammability is realized in institutional framework.Because the Process of Applying Glue and fire-retardant process of Recombined bamboo are separated progress
, and bamboo wood compact structure itself, usually immersion depth is limited for normal pressure dipping, and the anti-flammability lifting of material is limited, and high compression ring
Adhesive conquassation inside bamboo wood is easily caused under border, causes material cracks, product quality is reduced.
The content of the invention
There is provided a kind of preparation method of high fire-retardance Recombined bamboo for the defect that makes up prior art by the present invention.
The present invention is achieved by the following technical solutions：
A kind of preparation method of high fire-retardance Recombined bamboo, comprises the following steps：
（1）Bamboo inferior, dwarf bamboo and bamboo wood leftover bits and pieces are cut into strand shape with chopping bar machine, make the generous or diameter of bamboo strand
≤ 10mm, length≤500mm is dried to moisture content≤10%, gained bamboo silk puts into combined organic solution, system is heated to
120-130 DEG C, take out after constant temperature immersion treatment 1-2h, handled through primary drying, bamboo wood moisture content≤5%；
（2）By step（1）In obtained bamboo wood input polyborosiloxane modified silicasol, 5- is impregnated under the conditions of 0.5-1MPa
Taken out after 10min, room temperature ageing 15-50h；
（3）By step（2）Dipping and gluing in gained bamboo silk feeding modified alkyd resin glue, dip time is 10-20min, then
Bamboo strand is taken out, is handled through redrying, moisture content≤5%；
（4）Dried bamboo strand is mated formation, hot pressing and curing molding, treat that hot-press solidifying terminates, temperature is cooled to 50 DEG C
Hereinafter, mould unloading discharges, and produces.
Described combined organic solution is by 10 by dimethyl sulfoxide (DMSO) and acetylacetonate:0.01 weight is than preparation
Into.
Described acetylacetone,2,4-pentanedione rare-earth salts is acetylacetone,2,4-pentanedione rare-earth salts, aluminium acetylacetonate, titanium acetylacetone, acetylacetone,2,4-pentanedione
One kind in nickel, acetylacetone,2,4-pentanedione sodium, acetylacetone,2,4-pentanedione lithium.
Described primary drying refers to that gas is done or kiln drying, and drying temperature is 50-80 DEG C.
Described polyborosiloxane modified silicasol is to prepare by the following method：It is the commercially available of 20-30% to take solid content
Ludox, is added dropwise continuation stirring reaction 15-24h after polyborosiloxane, completion of dropping, is subsequently added tetrahydrochysene furan under agitation
Mutter, it is well mixed after system by depressurizing rotary evaporation is removed into moisture, produce described organic silicon sol, wherein Ludox,
Polyborosiloxane is with tetrahydrofuran according to 1:0.1-0.5:1-1.5 volume ratio be formulated.
Described modified alkyd resin glue is cyanurotriamide modified phenol glue, and concentration is 10-15%.
Described redrying refers to that gas is done or kiln drying, and drying temperature is 70-80 DEG C.
Described autoclaving conditions are temperature：135-150 DEG C, time 0.5-2.0min/mm, pressure 1-10MPa.
The present invention is by the low-quality bamboo processing Cheng Zhusi such as bamboo inferior, bamboo wood leftover bits and pieces, then using containing acetylacetonate
Higher boiling dimethyl sulphoxide solution high-temperature process is carried out to it, bamboo after processing silk is loaded with metal salt, its permeable and tough
Property improved, then by the bamboo silk after processing through polyborosiloxane modified silicasol impregnation process, bamboo silk after processing
Intensity and anti-flammability are effectively improved, and finally obtain the tough resistance of Recombined bamboo after drying, applying glue, hot-press solidifying processing again
Combustion, anti-corrosion moisture-resistant, board dimension stability are good, economic and environment-friendly without traditional low-poison and combustion-resisting agent.
Embodiment
A kind of preparation method of high fire-retardance Recombined bamboo, comprises the following steps：
（1）Bamboo inferior, dwarf bamboo and bamboo wood leftover bits and pieces are cut into strand shape with chopping bar machine, make the generous or diameter of bamboo strand
≤ 10mm, length≤500mm is dried to moisture content≤10%, gained bamboo silk puts into combined organic solution, system is heated to
120 DEG C, take out after constant temperature immersion treatment 1h, handled through primary drying, bamboo wood moisture content≤5%；
（2）By step（1）In obtained bamboo wood input polyborosiloxane modified silicasol, after dipping 5min under the conditions of 0.5MPa
Take out, room temperature ageing 15h；
（3）By step（2）Dipping and gluing in gained bamboo silk feeding modified alkyd resin glue, dip time is 10min, is then taken out
Bamboo strand, is handled through redrying, moisture content≤5%；
（4）Dried bamboo strand is mated formation, hot pressing and curing molding, treat that hot-press solidifying terminates, temperature is cooled to 50 DEG C
Hereinafter, mould unloading discharges, and produces.
Described combined organic solution is by 10 by dimethyl sulfoxide (DMSO) and titanium acetylacetone:0.01 weight is than preparation
Into.
Described primary drying refers to that gas is done or kiln drying, and drying temperature is 50 DEG C.
Described polyborosiloxane modified silicasol is to prepare by the following method：Take the commercially available silicon that solid content is 20%
Colloidal sol, is added dropwise continuation stirring reaction 15h after polyborosiloxane, completion of dropping, is subsequently added tetrahydrofuran, mix under agitation
System is removed into moisture by depressurizing rotary evaporation after closing uniformly, described organic silicon sol, wherein Ludox, poly- borosilicate is produced
Oxygen alkane is with tetrahydrofuran according to 1:0.1:1 volume ratio is formulated.
Described modified alkyd resin glue is cyanurotriamide modified phenol glue, and concentration is 10%.
Described redrying refers to that gas is done, and drying temperature is 70 DEG C.
Described autoclaving conditions are temperature：135 DEG C, time 0.5min/mm, pressure 1MPa.
Claims (8)
1. a kind of preparation method of high fire-retardance Recombined bamboo, it is characterised in that comprise the following steps：
（1）Bamboo inferior, dwarf bamboo and bamboo wood leftover bits and pieces are cut into strand shape with chopping bar machine, make the generous or diameter of bamboo strand
≤ 10mm, length≤500mm is dried to moisture content≤10%, gained bamboo silk puts into combined organic solution, system is heated to
120-130 DEG C, take out after constant temperature immersion treatment 1-2h, handled through primary drying, bamboo wood moisture content≤5%；
（2）By step（1）In obtained bamboo wood input polyborosiloxane modified silicasol, 5- is impregnated under the conditions of 0.5-1MPa
Taken out after 10min, room temperature ageing 15-50h；
（3）By step（2）Dipping and gluing in gained bamboo silk feeding modified alkyd resin glue, dip time is 10-20min, then
Bamboo strand is taken out, is handled through redrying, moisture content≤5%；
（4）Dried bamboo strand is mated formation, hot pressing and curing molding, treat that hot-press solidifying terminates, temperature is cooled to 50 DEG C
Hereinafter, mould unloading discharges, and produces.
2. a kind of preparation method of high fire-retardance Recombined bamboo as claimed in claim 1, it is characterised in that described is compound organic molten
Liquid is by 10 by dimethyl sulfoxide (DMSO) and acetylacetonate:0.01 weight ratio is formulated.
3. a kind of preparation method of high fire-retardance Recombined bamboo as claimed in claim 2, it is characterised in that described acetylacetone,2,4-pentanedione is dilute
Earth salt is in acetylacetone,2,4-pentanedione rare-earth salts, aluminium acetylacetonate, titanium acetylacetone, nickel acetylacetonate, acetylacetone,2,4-pentanedione sodium, acetylacetone,2,4-pentanedione lithium
One kind.
4. a kind of preparation method of high fire-retardance Recombined bamboo as claimed in claim 1, it is characterised in that described primary drying is
Refer to gas to do or kiln drying, drying temperature is 50-80 DEG C.
5. a kind of preparation method of high fire-retardance Recombined bamboo as claimed in claim 1, it is characterised in that described polyborosiloxane
Modified silicasol is to prepare by the following method：The commercially available Ludox for taking solid content to be 20-30%, is added dropwise under agitation
Continue stirring reaction 15-24h after polyborosiloxane, completion of dropping, be subsequently added tetrahydrofuran, pass through system after being well mixed
Depressurize rotary evaporation and remove moisture, produce described organic silicon sol, wherein Ludox, polyborosiloxane and tetrahydrofuran according to
1:0.1-0.5:1-1.5 volume ratio be formulated.
6. a kind of preparation method of high fire-retardance Recombined bamboo as claimed in claim 1, it is characterised in that described modified phenolic resin
Fat glue is cyanurotriamide modified phenol glue, and concentration is 10-15%.
7. a kind of preparation method of high fire-retardance Recombined bamboo as claimed in claim 1, it is characterised in that described redrying is
Refer to gas to do or kiln drying, drying temperature is 70-80 DEG C.
8. a kind of preparation method of high fire-retardance Recombined bamboo as claimed in claim 1, it is characterised in that described hot-pressing processing bar
Part is temperature：135-150 DEG C, time 0.5-2.0min/mm, pressure 1-10MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710349139.0A CN107116638A (en) | 2017-05-17 | 2017-05-17 | A kind of preparation method of high fire-retardance Recombined bamboo |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710349139.0A CN107116638A (en) | 2017-05-17 | 2017-05-17 | A kind of preparation method of high fire-retardance Recombined bamboo |
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| CN107116638A true CN107116638A (en) | 2017-09-01 |
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| CN201710349139.0A Pending CN107116638A (en) | 2017-05-17 | 2017-05-17 | A kind of preparation method of high fire-retardance Recombined bamboo |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107498676A (en) * | 2017-09-27 | 2017-12-22 | 柳州隆泰竹业有限公司 | A kind of production method of anti-flaming bamboo floor |
| CN111571744A (en) * | 2020-05-13 | 2020-08-25 | 赣州森泰竹木有限公司 | Preparation device and process of high-flame-retardant bamboo laminated wood |
| CN112143258A (en) * | 2020-08-14 | 2020-12-29 | 杭州师范大学 | Preparation method and application of borosilicate siloxane modified white carbon black containing silicon-chlorine bonds |
| CN115946206A (en) * | 2023-02-20 | 2023-04-11 | 集美大学 | Preparation method of flame-retardant recombined bamboo |
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| CN1263810A (en) * | 1999-02-14 | 2000-08-23 | 王西成 | Technology for making compound ceramic-wood material and its product |
| CN1703308A (en) * | 2002-10-04 | 2005-11-30 | 巴斯福股份公司 | Method for improving the durability, dimensional stability and surface hardness of a wooden body |
| CN1703307A (en) * | 2002-10-04 | 2005-11-30 | 巴斯福股份公司 | Method for improving the surface hardness of a wooden body using an aqueous solution of an impregnating agent |
| CN102152348A (en) * | 2010-12-30 | 2011-08-17 | 浙江农林大学 | Method for producing high-efficiency and antiflaming stabilized recombinant bamboo plywood |
| CN104858954A (en) * | 2014-12-23 | 2015-08-26 | 王玉燕 | Loss-resistant flame retardant anticorrosive wood production method |
| CN104861136A (en) * | 2014-12-22 | 2015-08-26 | 王玉燕 | Wood impregnation functional environmentally friendly processing agent and preparation method thereof |
| CN104858974A (en) * | 2014-12-22 | 2015-08-26 | 王玉燕 | Wood impregnation processing flame retardant preservative |
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2017
- 2017-05-17 CN CN201710349139.0A patent/CN107116638A/en active Pending
Patent Citations (7)
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| CN1263810A (en) * | 1999-02-14 | 2000-08-23 | 王西成 | Technology for making compound ceramic-wood material and its product |
| CN1703308A (en) * | 2002-10-04 | 2005-11-30 | 巴斯福股份公司 | Method for improving the durability, dimensional stability and surface hardness of a wooden body |
| CN1703307A (en) * | 2002-10-04 | 2005-11-30 | 巴斯福股份公司 | Method for improving the surface hardness of a wooden body using an aqueous solution of an impregnating agent |
| CN102152348A (en) * | 2010-12-30 | 2011-08-17 | 浙江农林大学 | Method for producing high-efficiency and antiflaming stabilized recombinant bamboo plywood |
| CN104861136A (en) * | 2014-12-22 | 2015-08-26 | 王玉燕 | Wood impregnation functional environmentally friendly processing agent and preparation method thereof |
| CN104858974A (en) * | 2014-12-22 | 2015-08-26 | 王玉燕 | Wood impregnation processing flame retardant preservative |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107498676A (en) * | 2017-09-27 | 2017-12-22 | 柳州隆泰竹业有限公司 | A kind of production method of anti-flaming bamboo floor |
| CN111571744A (en) * | 2020-05-13 | 2020-08-25 | 赣州森泰竹木有限公司 | Preparation device and process of high-flame-retardant bamboo laminated wood |
| CN112143258A (en) * | 2020-08-14 | 2020-12-29 | 杭州师范大学 | Preparation method and application of borosilicate siloxane modified white carbon black containing silicon-chlorine bonds |
| CN112143258B (en) * | 2020-08-14 | 2022-04-19 | 杭州师范大学 | Preparation method and application of borosilicate siloxane modified white carbon black containing silicon-chlorine bonds |
| CN115946206A (en) * | 2023-02-20 | 2023-04-11 | 集美大学 | Preparation method of flame-retardant recombined bamboo |
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Application publication date: 20170901 |
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