CN108995012A - A kind of preparation method of flame-retardant smoke inhibition bamboo and wood composite laminted wood - Google Patents

A kind of preparation method of flame-retardant smoke inhibition bamboo and wood composite laminted wood Download PDF

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Publication number
CN108995012A
CN108995012A CN201810722988.0A CN201810722988A CN108995012A CN 108995012 A CN108995012 A CN 108995012A CN 201810722988 A CN201810722988 A CN 201810722988A CN 108995012 A CN108995012 A CN 108995012A
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China
Prior art keywords
bamboo
eucalyptus
roller
comb
hot pressing
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Pending
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CN201810722988.0A
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Chinese (zh)
Inventor
窦仕根
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ANHUI SHUCHENG HUAZHU INDUSTRY Co Ltd
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ANHUI SHUCHENG HUAZHU INDUSTRY Co Ltd
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Priority to CN201810722988.0A priority Critical patent/CN108995012A/en
Publication of CN108995012A publication Critical patent/CN108995012A/en
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    • 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
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08—Moulding or pressing
    • 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
    • B27K5/003—Treating of wood not provided for in groups B27K1/00, B27K3/00 by using electromagnetic radiation or mechanical waves
    • B27K5/0055—Radio-waves, e.g. microwaves
    • 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
    • B27K9/00—Chemical or physical treatment of reed, straw, or similar material
    • B27K9/002—Cane, bamboo
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
    • B27L11/00—Manufacture of wood shavings, chips, powder, or the like; Tools therefor
    • B27L11/02—Manufacture of wood shavings, chips, powder, or the like; Tools therefor of wood shavings or the like
    • B27L11/04—Manufacture of wood shavings, chips, powder, or the like; Tools therefor of wood shavings or the like of wood wool
    • 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
    • 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
    • B27N1/0209—Methods, e.g. characterised by the composition of the agent
    • 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
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/002—Manufacture of substantially flat articles, e.g. boards, from particles or fibres characterised by the type of binder
    • 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

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)

Abstract

The invention discloses a kind of preparation methods of flame-retardant smoke inhibition bamboo and wood composite laminted wood, which is characterized in that after impregnating Bamboo beam in water, is put into microwave treatment in microwave box, takes out cooling, be cut into bamboo beam；China fir is removed the peel, comb solution in comb roller and corresponding nip rolls is sent into using single pair pressure roller, after cross shake, using a pair of inverse comb roller, two pairs of combinations along comb roller, screening obtains the China fir beam item after comb solution；Useless bamboo chip is cut, is uniformly glued by the way of glue spraying, bamboo chip is constantly stirred in Process of Applying Glue, the China fir beam item after screening is glued by the way of roller glue spraying；Eucalyptus veneer is cut into Eucalyptus beam, bamboo beam and Eucalyptus beam is dry in drying box, natural Calcium magnesium minerals matter powder is added in water-soluble phenolic resin adhesive, is stirred evenly, bamboo beam and Eucalyptus beam impregnation in steeping vat place into dry in drying box；It is sandwich layer by surface layer, the wooden beam of bamboo beam of the sizing after dry, by longitudinal manual assembly of rift grain arrangement, slab is put into hot pressing in hot pressing die.

Description

A kind of preparation method of flame-retardant smoke inhibition bamboo and wood composite laminted wood
Technical field
The present invention relates to bamboo and wood products' Material Fields, and in particular to a kind of preparation side of flame-retardant smoke inhibition bamboo and wood composite laminted wood Method.
Background technique
China is the country of poor forest resources, no matter forest coverage rate or occupancy volume per person to be below the world average The domestic high-quality major diameter timber resources of level, especially China is more in short supply, and artificial fast-growing forest timber, small dimension wood and saw lumber flaw-piece Etc. resources it is relatively abundant.In addition, also very abundant, area and yield occupy first place in the world the bamboo resource in China.How very well These resources abundant of comprehensive utilization to alleviate China's timber resources anxiety contradiction, promote the sustainable development of wood-based panel industry It has very important significance.
Bamboo wood has many advantages, such as that intensity is high, hardness is big, good toughness, wear-resisting, but also has the disadvantages such as diameter grade is small, utilization rate is low. And fast growing wood and small dimension wood have many advantages, such as handling ease, high production efficiency, but exist simultaneously that intensity is low, surface hardness is low, residual The disadvantages of residue stress is big.Therefore, by studying bamboo-wood composite material, bamboo wood can be played more scientific and reasonablely and timber is respective Advantage and characteristic, acquisition not only reduces production cost, but also guarantees in product in the double effects with presentation quality.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of preparation method of flame-retardant smoke inhibition bamboo and wood composite laminted wood, according to The bamboo and wood products' material mechanical performance prepared according to the technique is excellent, has flame retarding and smoke suppressing properties.
A kind of preparation method of flame-retardant smoke inhibition bamboo and wood composite laminted wood, which is characterized in that sequentially include the following steps:
(1) Microwave Pretreatment of bamboo beam:
After 50-60 parts by weight Bamboo beam is impregnated 1-2d in water, it is put into the microwave box that power is 800W and carries out at microwave 6-7min is managed, cooling is taken out, is cut into the bamboo beam of long 400mm；
(2) the comb solution technique of the wooden beam item:
70-80 parts by weight China fir is removed the peel, using single pair pressure roller, decrement is the 50-65% of original diameter, and comb roller is sent into after cross shake And comb solution in corresponding nip rolls, using a pair of inverse comb roller, two pairs of combinations along comb roller, screening, the China fir after obtaining comb solution The wooden beam item；
(3) glue spraying, drying process:
The useless bamboo chip of 10-20 parts by weight is subjected to unified cutting, is uniformly glued by the way of glue spraying, is constantly stirred in Process of Applying Glue Bamboo chip, resin added 9-10%；China fir beam item after screening in (2) is glued by the way of roller glue spraying, resin added is 9-10%；By after sizing the wooden beam item and bamboo chip air-dried under field conditions (factors) to moisture content 12-16%；
(4) impregnation, drying process:
30-40 parts by weight Eucalyptus veneer is cut into Eucalyptus beam, by gained bamboo beam and Eucalyptus beam in (1) in 103-105 DEG C of drying box Interior drying to moisture content is 8-10%；The natural Calcium magnesium minerals matter powder of 10-15 parts by weight is added in water-soluble phenolic resin adhesive, is stirred It mixes uniformly, then by bamboo beam and Eucalyptus beam impregnation 7-10min in steeping vat, places into dry 3-4h in 50-60 DEG C of drying box；
(5) assembly, hot pressing:
It is sandwich layer using the bamboo beam of (3), (4) middle sizing after dry as surface layer, the wooden beam, manual assembly is arranged by longitudinal direction rift grain, by plate Base is put into hot pressing die, hot pressing under the conditions of 150-152 DEG C of hot pressing temperature, hot pressing pressure 4-5MPa, hot pressing time 1- 1.5min/mm unloads plate after platen temperature is down to 45-50 DEG C by condensed water.
Wherein, the China fir beam item of long 15-180mm, thickness 0.5-12mm are screened in step (2)；
Useless bamboo chip is cut to long 400mm, width 20-24mm, thickness 0.5-0.6mm in step (3)；The glue is water soluble phenolic Resin glue.
The long 400mm of Eucalyptus beam, width 1.5mm in step (4), adhesive solid content are 20-25%.
It is of the invention that the reaction mechanism is as follows:
To Bamboo Shu Jinhang Microwave Pretreatment, bamboo beam surface contact angle becomes smaller after microwave treatment, number of free radical increases, fiber Plain crystallinity increases, hydrophilic hydroxy group increases, and microwave treatment bamboo and wood composite wood mechanical strength and glue performance are excellent；Using natural calcium Magnesium mineral matter powder compounds glue filling compacting with phenolic resin glue, and natural Calcium magnesium minerals matter powder can improve the physics of bamboo and wood composite wood Mechanical property has the function of catalysis carbon-forming, can play the effect of flame-retardant smoke inhibition；By wood of Cunninghamia lanceolata Ptilinus fuscus at the wooden beam item, It is dry after being uniformly glued by the way of glue spraying by the unified cutting of useless bamboo chip；It is done after Bamboo beam and Eucalyptus beam are impregnated sizing It is dry, it is sandwich layer by surface layer, the wooden beam of bamboo beam of the sizing after dry, by longitudinal manual assembly of rift grain arrangement, slab is put into hot pressing Hot pressing obtains bamboo and wood composite laminted wood in mold, and mechanical property is excellent, widely used.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below Specific embodiment is closed, the present invention is further explained.
Embodiment
A kind of preparation method of flame-retardant smoke inhibition bamboo and wood composite laminted wood, which is characterized in that sequentially include the following steps:
(1) Microwave Pretreatment of bamboo beam:
After 50kg Bamboo beam is impregnated 2d in water, it is put into the microwave box that power is 800W and carries out microwave treatment 7min, take It cools down out, is cut into the bamboo beam of long 400mm；
(2) the comb solution technique of the wooden beam item:
70kg China fir is removed the peel, using single pair pressure roller, decrement is the 55% of original diameter, and comb roller and corresponding exhibition are sent into after cross shake Comb solution in plain-barreled roll, using a pair of inverse comb roller, two pairs of combinations along comb roller, screening, the China fir beam item after obtaining comb solution；
(3) glue spraying, drying process:
The 10kg bamboo chip that gives up is subjected to unified cutting, is uniformly glued by the way of glue spraying, bamboo chip is constantly stirred in Process of Applying Glue, applied Glue amount is 9%；China fir beam item after screening in (2) is glued by the way of roller glue spraying, resin added 9%；It will sizing The wooden beam item and bamboo chip afterwards is air-dried under field conditions (factors) to moisture content 12%；
(4) impregnation, drying process:
30kg Eucalyptus veneer is cut into Eucalyptus beam, gained bamboo beam in (1) and Eucalyptus beam are dried extremely in 103-105 DEG C of drying box Moisture content is 8%；The natural Calcium magnesium minerals matter powder of 10kg is added in water-soluble phenolic resin adhesive, is stirred evenly, then by bamboo beam with Eucalyptus beam impregnation 10min in steeping vat places into dry 3h in 50-60 DEG C of drying box；
(5) assembly, hot pressing:
It is sandwich layer using the bamboo beam of (3), (4) middle sizing after dry as surface layer, the wooden beam, manual assembly is arranged by longitudinal direction rift grain, by plate Base is put into hot pressing die, hot pressing under the conditions of 150-152 DEG C of hot pressing temperature, hot pressing pressure 4MPa, hot pressing time 1min/mm, Plate is unloaded after platen temperature is down to 45-50 DEG C by condensed water.
Wherein, the China fir beam item of long 15-180mm, thickness 0.5-12mm are screened in step (2)；
Useless bamboo chip is cut to long 400mm, width 20-24mm, thickness 0.5-0.6mm in step (3)；The glue is water soluble phenolic Resin glue.
The long 400mm of Eucalyptus beam, width 1.5mm in step (4), adhesive solid content are 20%.

Claims (5)

1. a kind of preparation method of flame-retardant smoke inhibition bamboo and wood composite laminted wood, which is characterized in that after Bamboo beam is impregnated in water, It is put into microwave treatment in microwave box, cooling is taken out, is cut into bamboo beam；China fir is removed the peel, using single pair pressure roller, comb roller is sent into after cross shake And comb solution in corresponding nip rolls, using a pair of inverse comb roller, two pairs of combinations along comb roller, screening obtains the China fir after comb solution Beam item；Useless bamboo chip is subjected to unified cutting, is uniformly glued by the way of glue spraying, bamboo chip is constantly stirred in Process of Applying Glue, will sieved China fir beam item after choosing is glued by the way of roller glue spraying；Eucalyptus veneer is cut into Eucalyptus beam, by bamboo beam and Eucalyptus beam It is dry in drying box, natural Calcium magnesium minerals matter powder is added in water-soluble phenolic resin adhesive, is stirred evenly, bamboo beam and Eucalyptus beam are existed Impregnation in steeping vat places into dry in drying box；It is sandwich layer by surface layer, the wooden beam of bamboo beam of the sizing after dry, by longitudinal suitable Line arranges manual assembly, and slab is put into hot pressing in hot pressing die.
2. a kind of preparation method of flame-retardant smoke inhibition bamboo and wood composite laminted wood according to claim 1, which is characterized in that by with Lower step carries out:
(1) Microwave Pretreatment of bamboo beam:
After 50-60 parts by weight Bamboo beam is impregnated 1-2d in water, it is put into the microwave box that power is 800W and carries out at microwave 6-7min is managed, cooling is taken out, is cut into the bamboo beam of long 400mm；
(2) the comb solution technique of the wooden beam item:
70-80 parts by weight China fir is removed the peel, using single pair pressure roller, decrement is the 50-65% of original diameter, cross shake
Feeding comb roller and the interior comb solution of corresponding nip rolls afterwards are combed roller, two pairs of combinations along comb roller using a pair is inverse, are screened, China fir beam item after obtaining comb solution；
(3) glue spraying, drying process:
The useless bamboo chip of 10-20 parts by weight is subjected to unified cutting, is uniformly glued by the way of glue spraying, is constantly stirred in Process of Applying Glue Bamboo chip, resin added 9-10%；China fir beam item after screening in (2) is glued by the way of roller glue spraying, resin added is 9-10%；By after sizing the wooden beam item and bamboo chip air-dried under field conditions (factors) to moisture content 12-16%；
(4) impregnation, drying process:
30-40 parts by weight Eucalyptus veneer is cut into Eucalyptus beam, by gained bamboo beam and Eucalyptus beam in (1) in 103-105 DEG C of drying box Interior drying to moisture content is 8-10%；The natural Calcium magnesium minerals matter powder of 10-15 parts by weight is added in water-soluble phenolic resin adhesive, is stirred It mixes uniformly, then by bamboo beam and Eucalyptus beam impregnation 7-10min in steeping vat, places into dry 3-4h in 50-60 DEG C of drying box；
(5) assembly, hot pressing:
It is sandwich layer using the bamboo beam of (3), (4) middle sizing after dry as surface layer, the wooden beam, manual assembly is arranged by longitudinal direction rift grain, by plate Base is put into hot pressing die, hot pressing under the conditions of 150-152 DEG C of hot pressing temperature, hot pressing pressure 4-5MPa, hot pressing time 1- 1.5min/mm unloads plate after platen temperature is down to 45-50 DEG C by condensed water.
3. a kind of preparation method of flame-retardant smoke inhibition bamboo and wood composite laminted wood according to claim 2, which is characterized in that step (2) the China fir beam item of the long 15-180mm of screening, thickness 0.5-12mm in.
4. a kind of preparation method of flame-retardant smoke inhibition bamboo and wood composite laminted wood according to claim 2, which is characterized in that step (3) useless bamboo chip is cut to long 400mm, width 20-24mm, thickness 0.5-0.6mm in；The glue is water-soluble phenolic resin adhesive.
5. a kind of preparation method of flame-retardant smoke inhibition bamboo and wood composite laminted wood according to claim 2, which is characterized in that step (4) the long 400mm of Eucalyptus beam, width 1.5mm in, adhesive solid content are 20-25%.
CN201810722988.0A 2018-07-04 2018-07-04 A kind of preparation method of flame-retardant smoke inhibition bamboo and wood composite laminted wood Pending CN108995012A (en)

Priority Applications (1)

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CN201810722988.0A CN108995012A (en) 2018-07-04 2018-07-04 A kind of preparation method of flame-retardant smoke inhibition bamboo and wood composite laminted wood

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109746991A (en) * 2018-12-29 2019-05-14 湖北宝源木业有限公司 It is provided with the wet flaking conveying device and fire retardant spray method of fire retardant flusher
CN110628077A (en) * 2019-08-22 2019-12-31 安徽建筑大学 Flame-retardant smoke-suppressing flexible polyurethane foam composite material and preparation method thereof
CN115635557A (en) * 2022-10-13 2023-01-24 南京林业大学 Preparation method of calcified flame-retardant bamboo laminated material

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CN108162105A (en) * 2017-12-26 2018-06-15 广东省林业科学研究院 A kind of method for improving bamboo recombined material glue performance

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CN102941612B (en) * 2012-10-31 2015-04-08 中南林业科技大学 Method for manufacturing recombined bamboo decorative material
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109746991A (en) * 2018-12-29 2019-05-14 湖北宝源木业有限公司 It is provided with the wet flaking conveying device and fire retardant spray method of fire retardant flusher
CN109746991B (en) * 2018-12-29 2023-08-01 湖北宝源木业有限公司 Wet flaking conveying device provided with flame retardant spraying device and flame retardant spraying method
CN110628077A (en) * 2019-08-22 2019-12-31 安徽建筑大学 Flame-retardant smoke-suppressing flexible polyurethane foam composite material and preparation method thereof
CN110628077B (en) * 2019-08-22 2022-04-05 安徽建筑大学 Flame-retardant smoke-suppressing flexible polyurethane foam composite material and preparation method thereof
CN115635557A (en) * 2022-10-13 2023-01-24 南京林业大学 Preparation method of calcified flame-retardant bamboo laminated material
CN115635557B (en) * 2022-10-13 2024-03-29 南京林业大学 Preparation method of calcified flame-retardant bamboo integrated material

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