CN108687903A - A kind of application method based on closed NCO group ceramics wood - Google Patents
A kind of application method based on closed NCO group ceramics wood Download PDFInfo
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- CN108687903A CN108687903A CN201810374805.0A CN201810374805A CN108687903A CN 108687903 A CN108687903 A CN 108687903A CN 201810374805 A CN201810374805 A CN 201810374805A CN 108687903 A CN108687903 A CN 108687903A
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- timber
- wood
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- ceramics
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Classifications
-
- 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
- B27K3/50—Mixtures of different 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
- 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
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/001—Heating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/2805—Compounds having only one group containing active hydrogen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6633—Compounds of group C08G18/42
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
-
- 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
- B27K2240/20—Removing fungi, molds or insects
-
- 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
- B27K2240/70—Hydrophobation treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention discloses a kind of application methods based on closed NCO group ceramics wood, chemical reaction manufacture ceramics wood occurs using the NCO group being unsealed entered in timber in it, application method using the present invention, due to consistent inside and outside ceramic wood, inside and outside hardness, water resistance, antiseptic property, mothproof performance, fungicidal properties and dimensional stability that coating can guarantee ceramics wood need not be coated, can directly be used under the premise of being not coated by coating.
Description
Technical field
The present invention relates to the application methods of ceramic wood.
Background technology
The application of timber is very extensive, such as furniture, ornament materials, construction material, the art work.For being used for a long time
Timber for, generally require and do anti-corrosion and waterproof processing, in carrying out above-mentioned processing procedure, generally use anti-corrosion waterproof material
Timber is handled, but current anti-corrosion waterproof material is only on the surface of timber, it is difficult to it enters in the gap of timber, this
Sample, once the anti-corrosion waterproof material of wood surface is destroyed, then the preservation of timber against decay, water resistance decline, and timber is susceptible to change
Shape, it is mouldy phenomena such as.The anticorrosive wood of market at present is handled using preservative, non-watertight, once preservative fails, is begun to
Burn into is mouldy, is not real anticorrosive wood.
Timber is a kind of natural organic, and there are many fibers in timber, and there are many gaps, thus
Hardness, antiseptic property, insect prevention performance, water resistance, dimensional stability of timber etc. can be caused not good enough, existing mode be
Wood surface coats a coating, once when coating is destroyed, performance of the coating on timber disappears immediately, and timber can equally be deposited
In drawbacks described above.
Invention content
The object of the present invention is to provide a kind of application method based on closed NCO ceramics wood, practicalities using the present invention
Method need not be coated coating and can guarantee the inside and outside hardness of ceramics wood, water resistance, prevent due to consistent inside and outside ceramic wood
Rotten performance, mothproof performance, fungicidal properties and dimensional stability, can directly use under the premise of being not coated by coating.
In order to achieve the above objectives, based on closed NCO ceramics wood application method, ceramic akebi cross following steps manufacture and
At:
(1) performed polymer is prepared, polyisocyanates and polyether polyol or polyester polyol are reacted;
(2) sealer is added in performed polymer, forms enclosed type performed polymer with blocking agent NCO group, reaction equation is:
(3) water is added in enclosed type performed polymer and forms maceration extract;
(3) by timber pickling in maceration extract, maceration extract entered wood under the pressure of 1-10MPa by 12-24 hours
In material;
(4) timber by dipping is taken out, is then placed in heating kettle, heating 10- is carried out to the timber by dipping
20 hours, heating temperature was 100-180 DEG C, and heating uses heat stepwise, wherein 100-120 DEG C is heated 4-8 hours, 120-150
DEG C heating 4-8 hour, 150-180 DEG C heating 2-4 hours, during heating, closed NCO group is unsealed, and is occurred simultaneously
Chemical reaction forms lumber fibre in timber and constitutes the polyurethane of reticular structure and ceramics wood is made;The chemical reaction of generation
Mainly have:
It is above-mentioned ceramics wood application method be:It is directly used under the premise of not in coating dope layer in ceramic wood surface.
Further, it when surface is outmoded, directly polishes ceramic wood surface.
Further, the one or several kinds in polyisocyanates TDI, MDI, HDI, IPDI.
Further, sealer is one kind in imidazoles, gaultherolin, methyl p-hydroxybenzoate.
In the present invention, based on the characteristic with hydroxyl, phenolic hydroxyl group and a large amount of water in timber, and in polyisocyanates
The activity of NCO group has unusual height, for this purpose, the present invention first closes NCO group, enclosed type performed polymer and water is allowed to press
Completely into after in the gap to timber in the time of power and control, NCO group is unsealed by heating, in the mistake of deblocking
Cheng Zhong, NCO group, which with water, hydroxyl, phenolic hydroxyl group react, is formed by curing polyurethane, in the curing process, polyurethane and timber
Fiber forms reticular structure, is unsealing in solidification process, polyisocyanates fills timber gap primarily from isocyanates
Reacting between base and a large amount of active hydrogen in timber is formed by chemical bond, such as the hydroxyl in cellulose, hemicellulose rope, lignin
In phenolic hydroxyl group, further include a large amount of water contained in timber, they can react with isocyanates, this is isocyanic acid
Ester group forms chemical bonds with base material active hydrogen reaction;Secondly, the big polar group of isocyanate resin and the oxygen-containing, nitrogen of base material etc.
Group, which forms Hydrogenbond, isocyanate group itself or isocyanate group and asking for the product of isocyanate group and timber, can generate itself friendship
Connection reaction.In this way, being not only filled up completely the gap in timber, but also the inside and outside of timber is allowed to be consistent, makes timber picture ceramic
The same anti-corrosion and waterproof, mothproof, dimensionally stable, service life are long, and performance is good so that timber is not easy to deform, is mouldy, while resistance to
With.During heating, it unlocks partially enclosed dose come to enter in wood-fibred, partially enclosed dose because of the high reason quilt of temperature
Moisture is taken away, and the purpose using heat stepwise is that small molecule is allowed all to volatilize with moisture, achievees the purpose that environmental protection.In the present invention
In, by polyisocyanates and polyether polyol or polyester polyol before closing NCO group, in this way, enclosed type pre-polymerization can be improved
The penetrating power and mobility of body, allow enclosed type performed polymer is more, enters in timber faster.
Ceramics wood based on above structure, the inside and outside hardness of ceramics wood can be consistent, inside and outside water resistance, anti-corrosive properties
Energy, mothproof performance, fungicidal properties and dimensional stability are obtained for guarantee, therefore, can be direct under the premise of being not coated by coating
It uses, and when ceramic wood surface is outmoded, does not influence the performance of ceramic wood after polishing.
Specific implementation mode
The present invention will be described in further detail With reference to embodiment.
Ceramics wood based on closed NCO group includes timber, is filled in the gap of timber and is formed with lumber fibre
The polyurethane of reticular structure, the polyurethane are high molecular polymers made of being reacted with water by enclosed type performed polymer, closing
Then type performed polymer is reacted by polyisocyanates and polyether polyol or polyester polyol forms performed polymer with blocking agent NCO
Group;The temperature for forming enclosed type performed polymer is 60-100 DEG C, and the content of NCO group accounts for enclosed type pre-polymerization in enclosed type performed polymer
The 5-20% of body, enclosed type performed polymer molecular weight are 1000-5000,80% solvents of enclosed type performed polymer solid content >:Water, it is above
Percentage is weight percentage.Polyisocyanates is the one or several kinds in TDI, MDI, HDI, IPDI.Sealer be imidazoles,
One kind in gaultherolin, methyl p-hydroxybenzoate.
Embodiment 1.
Manufacturing method based on closed NCO ceramics wood includes the following steps:
(1) performed polymer is prepared, the polyether polyol of 30% polyisocyanates and 10% is reacted.
(2) 10% sealer is added in performed polymer, forms enclosed type performed polymer with blocking agent NCO group, instead
Ying Shiwei:
(3) water that 50% is added in enclosed type performed polymer forms maceration extract.
(3) by timber pickling in maceration extract, maceration extract entered wood under the pressure of 1-10MPa by 12-24 hours
In material.
(4) timber by dipping is taken out, is then placed in heating kettle, heating 10- is carried out to the timber by dipping
20 hours, heating temperature was 100-180 DEG C, and heating uses heat stepwise, wherein 100-120 DEG C is heated 4-8 hours, 120-150
DEG C heating 4-8 hour, 150-180 DEG C heating 2-4 hours, during heating, closed NCO group is unsealed, and is occurred simultaneously
Chemical reaction forms lumber fibre in timber and constitutes the polyurethane of reticular structure and ceramics wood is made;The chemical reaction of generation
Mainly have:
Above percentage is weight percentage.
Embodiment 2.
Manufacturing method based on closed NCO ceramics wood includes the following steps:
(1) performed polymer is prepared, the polyester polyol of 40% polyisocyanates and 20% is reacted.
(2) 5% sealer is added in performed polymer, enclosed type performed polymer, reaction are formed with blocking agent NCO group
Formula is:
(3) water that 35% is added in enclosed type performed polymer forms maceration extract.
(3) by timber pickling in maceration extract, maceration extract entered wood under the pressure of 1-10MPa by 12-24 hours
In material.
(4) timber by dipping is taken out, is then placed in heating kettle, heating 10- is carried out to the timber by dipping
20 hours, heating temperature was 100-180 DEG C, and heating uses heat stepwise, wherein 100-120 DEG C is heated 4-8 hours, 120-150
DEG C heating 4-8 hour, 150-180 DEG C heating 2-4 hours, during heating, closed NCO group is unsealed, and is occurred simultaneously
Chemical reaction forms lumber fibre in timber and constitutes the polyurethane of reticular structure and ceramics wood is made;The chemical reaction of generation
Mainly have:
Above percentage is weight percentage.
In the present invention, based on the characteristic with hydroxyl, phenolic hydroxyl group and a large amount of water in timber, and in polyisocyanates
The activity of NCO group has unusual height, for this purpose, the present invention first closes NCO group, enclosed type performed polymer and water is allowed to press
Completely into after in the gap to timber in the time of power and control, NCO group is unsealed by heating, in the mistake of deblocking
Cheng Zhong, NCO group, which with water, hydroxyl, phenolic hydroxyl group react, is formed by curing polyurethane, in the curing process, polyurethane and timber
Fiber forms reticular structure, is unsealing in solidification process, polyisocyanates fills timber gap primarily from isocyanates
Reacting between base and a large amount of active hydrogen in timber is formed by chemical bond, such as the hydroxyl in cellulose, hemicellulose rope, lignin
In phenolic hydroxyl group, further include a large amount of water contained in timber, they can react with isocyanates, this is isocyanic acid
Ester group forms chemical bonds with base material active hydrogen reaction;Secondly, the big polar group of isocyanate resin and the oxygen-containing, nitrogen of base material etc.
Group, which forms Hydrogenbond, isocyanate group itself or isocyanate group and asking for the product of isocyanate group and timber, can generate itself friendship
Connection reaction.In this way, being not only filled up completely the gap in timber, but also the inside and outside of timber is allowed to be consistent, makes timber picture ceramic
The same anti-corrosion and waterproof, mothproof, dimensionally stable, service life are long, and performance is good so that timber is not easy to deform, is mouldy, while resistance to
With.During heating, it unlocks partially enclosed dose come to enter in wood-fibred, partially enclosed dose because of the high reason quilt of temperature
Moisture is taken away, and the purpose using heat stepwise is that small molecule is allowed all to volatilize with moisture, achievees the purpose that environmental protection.In the present invention
In, by polyisocyanates and polyether polyol or polyester polyol before closing NCO group, in this way, enclosed type pre-polymerization can be improved
The penetrating power and mobility of body, allow enclosed type performed polymer is more, enters in timber faster.
Ceramics wood based on above structure, the inside and outside hardness of ceramics wood can be consistent, inside and outside water resistance, anti-corrosive properties
Energy, mothproof performance, fungicidal properties and dimensional stability are obtained for guarantee, therefore, can be direct under the premise of being not coated by coating
It uses, and when ceramic wood surface is outmoded, does not influence the performance of ceramic wood after polishing.
Claims (4)
1. a kind of application method based on closed NCO ceramics wood, it is characterised in that ceramic akebi crosses following steps and is fabricated:
(1) performed polymer is prepared, polyisocyanates and polyether polyol or polyester polyol are reacted;
(2) sealer is added in performed polymer, forms enclosed type performed polymer with blocking agent NCO group, reaction equation is:
(3) water is added in enclosed type performed polymer and forms maceration extract;
(3) by timber pickling in maceration extract, maceration extract was entered by 12-24 hours in timber under the pressure of 1-10MPa;
(4) timber by dipping is taken out, is then placed in heating kettle, it is small to carry out heating 10-20 to the timber by dipping
When, heating temperature is 100-180 DEG C, and heating uses heat stepwise, wherein 100-120 DEG C is heated 4-8 hours, and 120-150 DEG C adds
4-8 hours hot, 150-180 DEG C is heated 2-4 hours, and during heating, closed NCO group is unsealed, while chemistry occurs
Reaction forms lumber fibre in timber and constitutes the polyurethane of reticular structure and ceramics wood is made;The chemical reaction of generation is main
Have:
It is above-mentioned ceramics wood application method be:It is directly used under the premise of not in coating dope layer in ceramic wood surface.
2. the application method according to claim 1 based on closed NCO ceramics wood, it is characterised in that:When surface is outmoded
, directly polish ceramic wood surface.
3. the application method according to claim 1 based on closed NCO ceramics wood, it is characterised in that:Polyisocyanates
For the one or several kinds in TDI, MDI, HDI, IPDI.
4. the application method according to claim 1 based on closed NCO ceramics wood, it is characterised in that:Sealer is miaow
One kind in azoles, gaultherolin, methyl p-hydroxybenzoate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810374805.0A CN108687903A (en) | 2018-04-24 | 2018-04-24 | A kind of application method based on closed NCO group ceramics wood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810374805.0A CN108687903A (en) | 2018-04-24 | 2018-04-24 | A kind of application method based on closed NCO group ceramics wood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108687903A true CN108687903A (en) | 2018-10-23 |
Family
ID=63845028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810374805.0A Pending CN108687903A (en) | 2018-04-24 | 2018-04-24 | A kind of application method based on closed NCO group ceramics wood |
Country Status (1)
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| CN (1) | CN108687903A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117445123A (en) * | 2023-11-06 | 2024-01-26 | 瓦城柚木(广东)家居科技有限公司 | Processing technology of teak floor heating floor capable of preventing stress deformation |
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| CN101381446A (en) * | 2008-09-10 | 2009-03-11 | 中国科学技术大学 | Sealed UV curable aqueous polyurethane resin and preparation method thereof |
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2018
- 2018-04-24 CN CN201810374805.0A patent/CN108687903A/en active Pending
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|---|---|---|---|---|
| DE3174214D1 (en) * | 1980-12-10 | 1986-04-30 | Bayer Ag | Coating agent and process for the preparation of coatings |
| JPS5839404A (en) * | 1981-09-02 | 1983-03-08 | 大塚家具工業株式会社 | Method of stabilizing size of woody material |
| CN101503610A (en) * | 2008-02-04 | 2009-08-12 | 上海巨安科技有限公司 | Enclosed type self-crosslinking single component polyurethane binder and preparation thereof |
| CN101381446A (en) * | 2008-09-10 | 2009-03-11 | 中国科学技术大学 | Sealed UV curable aqueous polyurethane resin and preparation method thereof |
| CN103739811A (en) * | 2013-12-18 | 2014-04-23 | 上海东和胶粘剂有限公司 | Waterborne polyurethane and preparation method thereof |
| CN105671967A (en) * | 2016-03-16 | 2016-06-15 | 广州恒锦化工科技有限公司 | Durable fluoride-free waterproof agent and preparation method thereof |
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| Title |
|---|
| 孔萍等: "《塑料材料》", 31 July 2017, 广州：广东高等教育出版社 * |
| 李俊贤等: "《塑料工业手册 聚氨酯》", 31 July 1999, 北京：化学工业出版社 * |
| 林孔勇等: "《橡胶工业手册 第6分册 工业橡胶制品》", 30 June 1993, 北京：化学工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117445123A (en) * | 2023-11-06 | 2024-01-26 | 瓦城柚木(广东)家居科技有限公司 | Processing technology of teak floor heating floor capable of preventing stress deformation |
| CN117445123B (en) * | 2023-11-06 | 2024-05-28 | 瓦城柚木(广东)家居科技有限公司 | Processing technology of teak floor heating floor capable of preventing stress deformation |
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Application publication date: 20181023 |