CN109517401A - A kind of high intensity bamboo and wood combined wall board and preparation method thereof - Google Patents
A kind of high intensity bamboo and wood combined wall board and preparation method thereof Download PDFInfo
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- CN109517401A CN109517401A CN201811188593.3A CN201811188593A CN109517401A CN 109517401 A CN109517401 A CN 109517401A CN 201811188593 A CN201811188593 A CN 201811188593A CN 109517401 A CN109517401 A CN 109517401A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2397/00—Characterised by the use of lignin-containing materials
- C08J2397/02—Lignocellulosic material, e.g. wood, straw or bagasse
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2461/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2461/04—Condensation polymers of aldehydes or ketones with phenols only
- C08J2461/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2475/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2244—Oxides; Hydroxides of metals of zirconium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Abstract
The invention discloses a kind of high-intensitive bamboo and wood combined wall board and preparation method thereof, raw material includes: bamboo beam by mass parts, the wooden beam, and type polyisocyanates, Modified Water Soluble Phenolic Resin, aqueous polyurethane emulsion, nano silicon dioxide sol can be dispersed in water；The present invention promotes water that the inside configuration that type polyisocyanates penetrates into bamboo beam, the wooden beam can be dispersed using condition of high voltage, it is reacted using isocyanate group with the hydroxyl in Modified Water Soluble Phenolic Resin, the glued dynamics of bamboo and wood combined wall board is improved, and then promotes the mechanical strength of bamboo and wood combined wall board.
Description
Technical field
The present invention relates to building board technical field more particularly to a kind of high-intensitive bamboo and wood combined wall board and its preparation sides
Method.
Background technique
Wooden boards are all widely used in many industries such as timber floor, Men Ye, building materials, packaging, transport, with wooden
The problem of increase year by year of plate demand, the wooden shortage of resources in China, increasingly highlights, and requires a large amount of timber of import every year
To meet production requirement.And China's bamboo timber resource is abundant, widely distributed, in addition bamboo wood has the spy that the speed of growth is fast, the period is short
Point, exploitation bamboo-wood composite material will effectively alleviate the contradiction of wooden shortage of resources.But due to the structure of bamboo wood itself spy
Point keeps the mechanical property of bamboo and wood combined wall board poor, limits bamboo and wood combined wall board and uses the direct substitution of wooden boards.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of high-intensitive bamboo and wood combined wall board and its preparations
Method, the preparation method process is simple, and obtained composite plate intensity is high.
A kind of high-intensitive bamboo and wood combined wall board proposed by the present invention, raw material includes: 30~50 parts of bamboo beam by mass parts, wood
10~15 parts of beam, water can be dispersed 35~65 parts of type polyisocyanates, and 12~18 parts of Modified Water Soluble Phenolic Resin, aqueous polyurethane
20~30 parts of lotion, 3~5 parts of nano silicon dioxide sol.
Preferably, it is that type 1, hexamethylene-diisocyanate tripolymer, water can be dispersed in water that type polyisocyanates, which can be dispersed, in the water
One of dispersible type toluene di-isocyanate(TDI).
Preferably, the solid quality content of the aqueous polyurethane emulsion is 25~40%.
Preferably, its raw material of the Modified Water Soluble Phenolic Resin includes: water soluble phenol resin 25~40 by mass parts
Part, 8~15 parts of nano zirconium dioxide, 5~10 parts of calcium carbonate crystal whisker, 4~6 parts of coupling agent, 2~3 parts of stearic acid, deionized water 7
~12 parts.
Preferably, the coupling agent is the mixture of one of silane coupling agent, titanate coupling agent or both.
Preferably, the Modified Water Soluble Phenolic Resin is prepared according to following technique:
S1, nano zirconium dioxide, calcium carbonate crystal whisker are added in deionized water after mixing, coupling agent, stearic acid is added, with
The rate of 3000~5000r/min stirs 3~5h, and stirring is filtered after stopping, and is washed, and drying obtains mixed material A；
S2, under the conditions of 60~80 DEG C, mixed material A in S1 is added in water soluble phenol resin, stirring 1~2h obtain
To Modified Water Soluble Phenolic Resin.
The preparation method of one kind that the present invention also proposes high-intensitive bamboo and wood combined wall board, comprising the following steps:
S1, bamboo Shu Yumu beam is dipped in the dispersible type polyisocyanates of water, in 30~50 DEG C and the condition of 18~24MPa
After 6~10h of lower processing, bamboo beam and the wooden beam taking-up are drained, obtain pretreated bamboo beam and the pretreated wooden beam；
S2, Modified Water Soluble Phenolic Resin is coated to pretreated bamboo beam and pretreated wooden beam surface, according to " bamboo
The combination of beam-wood beam-bamboo beam " carries out a group embryo, and prefabricated bamboo and wood combined wall board is obtained after hot pressing；
S3, after mixing aqueous polyurethane emulsion and nano silicon dioxide sol, it is coated in prefabricated bamboo and wood combined wall board table
Face, the high intensity bamboo and wood combined wall board obtained by drying under conditions of 35~55 DEG C.
A kind of high-intensitive bamboo and wood combined wall board proposed by the present invention, under high pressure, fiber occurs in bamboo beam and the wooden beam
Portion swells promote water that type polyisocyanates can be dispersed and enter in the cell wall pore of bamboo and wood fiber, and rest on the thin of fiber
In cell, reacted by the hydroxyl of isocyanate group and fiber surface.Type polyisocyanates can be dispersed in addition to can be in water
Bamboo and wood fiber engages, and extra isocyanate group can also be reacted with the hydroxyl in water soluble phenol resin, makes hydrophily
Fiber effectively combined with hydrophobic resin, the interface compatibility for solving bamboo and wood fiber and Modified Water Soluble Phenolic Resin is asked
Topic improves the mechanical property and water resistance of bamboo and wood combined wall board.In addition, water soluble phenol resin has the lesser spy of molecular weight
Point easily infiltrates into bamboo and wood fiber, improves adhesivity, the present invention is using nano zirconium dioxide and calcium carbonate crystal whisker to water-soluble phenolic
Urea formaldehyde is modified, and makes the mechanical strength for enhancing bamboo and wood combined wall board entirety while the increase of bamboo Shu Yumu beam bonding force.This
Nano silica is added in aqueous polyurethane emulsion by invention in a manner of colloidal sol, is coated in prefabricated bamboo and wood combined wall board table
Face.Covalent bonding junction can be formed between bamboo and wood fiber using nano silica, enhance the mechanical strength and water of composite plate
Property polyaminoester emulsion adhesive force, while merge nano silica uniformly with aqueous polyurethane emulsion, it is thick when preventing coating
The occurrence of different is spent, the quality of bamboo and wood combined wall board is promoted.
Specific embodiment
In the following, technical solution of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of high-intensitive bamboo and wood combined wall board proposed by the present invention, raw material includes: 30 parts of bamboo beam by mass parts, the wooden beam 10
Part, water can be dispersed type 1, and 35 parts of hexamethylene-diisocyanate tripolymer, 12 parts of Modified Water Soluble Phenolic Resin, aqueous polyurethane emulsion
20 parts, 3 parts of nano silicon dioxide sol.
Embodiment 2
A kind of high-intensitive bamboo and wood combined wall board proposed by the present invention, raw material includes: 50 parts of bamboo beam by mass parts, the wooden beam 15
Part, water can be dispersed 65 parts of type toluene di-isocyanate(TDI), 18 parts of Modified Water Soluble Phenolic Resin, 30 parts of aqueous polyurethane emulsion, receive
5 parts of silicon dioxide gel of rice.
Embodiment 3
A kind of high-intensitive bamboo and wood combined wall board proposed by the present invention, raw material includes: 35 parts of bamboo beam by mass parts, the wooden beam 12
Part, water can be dispersed type 1, and 39 parts of hexamethylene-diisocyanate tripolymer, 13 parts of Modified Water Soluble Phenolic Resin, aqueous polyurethane emulsion
23 parts, 4 parts of nano silicon dioxide sol.
Wherein, the solid quality content of the aqueous polyurethane emulsion is 25%.
Its raw material of the Modified Water Soluble Phenolic Resin includes: 25 parts of water soluble phenol resin by mass parts, nano-silica
Change 8 parts of zirconium, 5 parts of calcium carbonate crystal whisker, 4 parts of coupling agent, 2 parts of stearic acid, 7 parts of deionized water.
The Modified Water Soluble Phenolic Resin is prepared according to following technique:
S1, nano zirconium dioxide, calcium carbonate crystal whisker are added in deionized water after mixing, silane coupling agent, tristearin is added
Acid stirs 5h with the rate of 3000r/min, and stirring is filtered after stopping, and is washed, and drying obtains mixed material A；
S2, under the conditions of 60 DEG C, mixed material A in S1 is added in water soluble phenol resin, stirring 2h be modified
Water soluble phenol resin.
The preparation method of one kind that the present invention also proposes high-intensitive bamboo and wood combined wall board, comprising the following steps:
S1, bamboo Shu Yumu beam is dipped in the dispersible type polyisocyanates of water, is handled under conditions of 30 DEG C and 18MPa
After 10h, bamboo beam and the wooden beam taking-up are drained, obtain pretreated bamboo beam and the pretreated wooden beam；
S2, Modified Water Soluble Phenolic Resin is coated to pretreated bamboo beam and pretreated wooden beam surface, according to " bamboo
The combination of beam-wood beam-bamboo beam " carries out a group embryo, and prefabricated bamboo and wood combined wall board is obtained after hot pressing；
S3, after mixing aqueous polyurethane emulsion and nano silicon dioxide sol, it is coated in prefabricated bamboo and wood combined wall board table
Face, the high intensity bamboo and wood combined wall board obtained by drying under conditions of 35 DEG C.
Embodiment 4
A kind of high-intensitive bamboo and wood combined wall board proposed by the present invention, raw material includes: 40 parts of bamboo beam by mass parts, the wooden beam 13
Part, water can be dispersed 45 parts of type toluene di-isocyanate(TDI), 14 parts of Modified Water Soluble Phenolic Resin, 26 parts of aqueous polyurethane emulsion, receive
3.5 parts of silicon dioxide gel of rice.
Wherein, the solid quality content of the aqueous polyurethane emulsion is 40%.
Its raw material of the Modified Water Soluble Phenolic Resin includes: 40 parts of water soluble phenol resin by mass parts, nano-silica
Change 15 parts of zirconium, 10 parts of calcium carbonate crystal whisker, 6 parts of coupling agent, 3 parts of stearic acid, 12 parts of deionized water.
The Modified Water Soluble Phenolic Resin is prepared according to following technique:
S1, nano zirconium dioxide, calcium carbonate crystal whisker are added in deionized water after mixing, titanate coupling agent, hard is added
Resin acid stirs 3h with the rate of 5000r/min, and stirring is filtered after stopping, and is washed, and drying obtains mixed material A；
S2, under the conditions of 80 DEG C, mixed material A in S1 is added in water soluble phenol resin, stirring 1h be modified
Water soluble phenol resin.
The preparation method of one kind that the present invention also proposes high-intensitive bamboo and wood combined wall board, comprising the following steps:
S1, bamboo Shu Yumu beam is dipped in the dispersible type polyisocyanates of water, handles 6h under conditions of 50 DEG C and 24MPa
Afterwards, bamboo beam and the wooden beam taking-up are drained, obtains pretreated bamboo beam and the pretreated wooden beam；
S2, Modified Water Soluble Phenolic Resin is coated to pretreated bamboo beam and pretreated wooden beam surface, according to " bamboo
The combination of beam-wood beam-bamboo beam " carries out a group embryo, and prefabricated bamboo and wood combined wall board is obtained after hot pressing；
S3, after mixing aqueous polyurethane emulsion and nano silicon dioxide sol, it is coated in prefabricated bamboo and wood combined wall board table
Face, the high intensity bamboo and wood combined wall board obtained by drying under conditions of 55 DEG C.
Embodiment 5
A kind of high-intensitive bamboo and wood combined wall board proposed by the present invention, raw material includes: 45 parts of bamboo beam by mass parts, the wooden beam 14
Part, water can be dispersed 55 parts of type toluene di-isocyanate(TDI), 16 parts of Modified Water Soluble Phenolic Resin, 28 parts of aqueous polyurethane emulsion, receive
4 parts of silicon dioxide gel of rice.
Wherein, the solid quality content of the aqueous polyurethane emulsion is 30%.
Its raw material of the Modified Water Soluble Phenolic Resin includes: 35 parts of water soluble phenol resin by mass parts, nano-silica
Change 12 parts of zirconium, 8 parts of calcium carbonate crystal whisker, 5 parts of coupling agent, 2.5 parts of stearic acid, 9 parts of deionized water.
The Modified Water Soluble Phenolic Resin is prepared according to following technique:
S1, nano zirconium dioxide, calcium carbonate crystal whisker are added in deionized water after mixing, silane coupling agent and metatitanic acid is added
Mixture, the stearic acid of ester coupling agent stir 4h with the rate of 4000r/min, and stirring is filtered after stopping, and is washed, drying
Obtain mixed material A；
S2, under the conditions of 70 DEG C, mixed material A in S1 is added in water soluble phenol resin, stirring 1.5h changed
Property water soluble phenol resin.
The preparation method of one kind that the present invention also proposes high-intensitive bamboo and wood combined wall board, comprising the following steps:
S1, bamboo Shu Yumu beam is dipped in the dispersible type polyisocyanates of water, handles 8h under conditions of 40 DEG C and 20MPa
Afterwards, bamboo beam and the wooden beam taking-up are drained, obtains pretreated bamboo beam and the pretreated wooden beam；
S2, Modified Water Soluble Phenolic Resin is coated to pretreated bamboo beam and pretreated wooden beam surface, according to " bamboo
The combination of beam-wood beam-bamboo beam " carries out a group embryo, and prefabricated bamboo and wood combined wall board is obtained after hot pressing；
S3, after mixing aqueous polyurethane emulsion and nano silicon dioxide sol, it is coated in prefabricated bamboo and wood combined wall board table
Face, the high intensity bamboo and wood combined wall board obtained by drying under conditions of 40 DEG C.
The elasticity modulus and static bending strength for the bamboo and wood combined wall board that detection embodiment 1-5 is obtained, obtain result such as following table institute
Show (comparative example 1 is wooden boards, and comparative example 2 is conventional bamboo and wood combined wall board):
According to testing result it is found that the bamboo and wood combined wall board obtained according to the present invention is retaining the same of the excellent toughness of bamboo wood
When have mechanical strength more higher than wooden boards.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of high intensity bamboo and wood combined wall board, which is characterized in that its raw material includes: 30~50 parts of bamboo beam by mass parts, the wooden beam
10~15 parts, 35~65 parts of type polyisocyanates can be dispersed in water, and 12~18 parts of Modified Water Soluble Phenolic Resin, aqueous polyurethane is newborn
20~30 parts of liquid, 3~5 parts of nano silicon dioxide sol.
2. high-intensitive bamboo and wood combined wall board according to claim 1, which is characterized in that type polyisocyanates can be dispersed in the water
It is that type 1, hexamethylene-diisocyanate tripolymer can be dispersed in water, one of type toluene di-isocyanate(TDI) can be dispersed in water.
3. high-intensitive bamboo and wood combined wall board according to claim 1, which is characterized in that the solid of the aqueous polyurethane emulsion
Amount of substance content is 25~40%.
4. high-intensitive bamboo and wood combined wall board according to claim 1, which is characterized in that the Modified Water Soluble Phenolic Resin its
Raw material includes: 25~40 parts of water soluble phenol resin by mass parts, and 8~15 parts of nano zirconium dioxide, calcium carbonate crystal whisker 5~10
Part, 4~6 parts of coupling agent, 2~3 parts of stearic acid, 7~12 parts of deionized water.
5. high-intensitive bamboo and wood combined wall board according to claim 4, which is characterized in that the coupling agent be silane coupling agent,
The mixture of one of titanate coupling agent or both.
6. high intensity bamboo and wood combined wall board described in any one of -5 according to claim 1, which is characterized in that the modified soluble
Phenolic resin is prepared according to following technique:
S1, nano zirconium dioxide, calcium carbonate crystal whisker are added in deionized water after mixing, coupling agent, stearic acid are added, with 3000
The rate of~5000r/min stirs 3~5h, and stirring is filtered after stopping, and is washed, and drying obtains mixed material A；
S2, under the conditions of 60~80 DEG C, mixed material A in S1 is added in water soluble phenol resin, stirring 1~2h changed
Property water soluble phenol resin.
7. a kind of preparation method of bamboo and wood combined wall board high-intensitive as described in any one of claim 1-6, which is characterized in that packet
Include following steps:
S1, bamboo Shu Yumu beam is dipped in water can be dispersed type polyisocyanates in, under conditions of 30~50 DEG C and 18~24MPa at
After managing 6~10h, bamboo beam and the wooden beam taking-up are drained, obtain pretreated bamboo beam and the pretreated wooden beam；
S2, Modified Water Soluble Phenolic Resin is coated to pretreated bamboo beam and pretreated wooden beam surface, according to " bamboo beam-wood
The combination of beam-bamboo beam " carries out a group embryo, and prefabricated bamboo and wood combined wall board is obtained after hot pressing；
S3, after mixing aqueous polyurethane emulsion and nano silicon dioxide sol, it is coated in prefabricated bamboo and wood combined wall board surface,
High intensity bamboo and wood combined wall board obtained by drying under conditions of 35~55 DEG C.
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| CN201811188593.3A CN109517401A (en) | 2018-10-12 | 2018-10-12 | A kind of high intensity bamboo and wood combined wall board and preparation method thereof |
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| CN201811188593.3A CN109517401A (en) | 2018-10-12 | 2018-10-12 | A kind of high intensity bamboo and wood combined wall board and preparation method thereof |
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Citations (5)
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|---|---|---|---|---|
| JPH0455445A (en) * | 1990-06-25 | 1992-02-24 | Nippon Supeshiyaritei Prod Kk | Antimicrobial formed product |
| EP0680983B1 (en) * | 1994-05-06 | 1998-07-29 | Bayer Ag | Water dispersible polyisocyanate preparations |
| CN2611145Y (en) * | 2002-10-28 | 2004-04-14 | 南京林业大学 | Composite material made up of wood and bamboo |
| CN101486215A (en) * | 2009-02-19 | 2009-07-22 | 中国林业科学研究院木材工业研究所 | Non-aldehyde recombinant material and manufacturing method thereof |
| CN105538431A (en) * | 2015-12-15 | 2016-05-04 | 中南林业科技大学 | Preparing method for undersized-log reconstructing outdoor furniture wood |
-
2018
- 2018-10-12 CN CN201811188593.3A patent/CN109517401A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0455445A (en) * | 1990-06-25 | 1992-02-24 | Nippon Supeshiyaritei Prod Kk | Antimicrobial formed product |
| EP0680983B1 (en) * | 1994-05-06 | 1998-07-29 | Bayer Ag | Water dispersible polyisocyanate preparations |
| CN2611145Y (en) * | 2002-10-28 | 2004-04-14 | 南京林业大学 | Composite material made up of wood and bamboo |
| CN101486215A (en) * | 2009-02-19 | 2009-07-22 | 中国林业科学研究院木材工业研究所 | Non-aldehyde recombinant material and manufacturing method thereof |
| CN105538431A (en) * | 2015-12-15 | 2016-05-04 | 中南林业科技大学 | Preparing method for undersized-log reconstructing outdoor furniture wood |
Non-Patent Citations (4)
| Title |
|---|
| 李培枝 等: "硅溶胶/水性聚氨酯表面施胶剂的性能研究", 《造纸化学品》 * |
| 李广宇 等: "《胶粘与密封新技术》", 31 January 2006, 国防工业出版社 * |
| 费贵强 等: "水可分散型多异氰酸酯的制备与应用", 《精细化工》 * |
| 黄珊: "竹木复合重组材的工艺及性能研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
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Application publication date: 20190326 |