CN109016000A - A kind of method that phenolic resin strengthens wood of Cunninghamia lanceolata - Google Patents
A kind of method that phenolic resin strengthens wood of Cunninghamia lanceolata Download PDFInfo
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- CN109016000A CN109016000A CN201811068993.0A CN201811068993A CN109016000A CN 109016000 A CN109016000 A CN 109016000A CN 201811068993 A CN201811068993 A CN 201811068993A CN 109016000 A CN109016000 A CN 109016000A
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- wood
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- cunninghamia lanceolata
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- 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
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- 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
- B27K3/36—Aliphatic compounds
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Abstract
The invention discloses a kind of methods that phenolic resin strengthens wood of Cunninghamia lanceolata, being that a kind of in-situ polymerization in wood of Cunninghamia lanceolata of the small-molecule starting material using novolak resin is integrated with in-situ solidifying generates phenolic resin to strengthen the method for wood of Cunninghamia lanceolata, specifically comprises the following steps: the pretreatment of S1, wood of Cunninghamia lanceolata；The preparation of S2, phenolic resin home position polymerization reaction liquid；S3, phenolic resin home position polymerization reaction liquid is impregnated into wood of Cunninghamia lanceolata；The in-situ polymerization curing reaction of S4, phenolic resin home position polymerization reaction liquid obtain phenolic resin and strengthen wood of Cunninghamia lanceolata.The method that phenolic resin of the invention strengthens wood of Cunninghamia lanceolata realize modifying agent polymerize in wood of Cunninghamia lanceolata with it is curing integrated, and significantly improve modifying agent dipping effect in wood and the uniformity, simplify the reinforcing modified technique of wood of Cunninghamia lanceolata, and modified resulting reinforcing wood of Cunninghamia lanceolata has excellent mechanical property.
Description
Technical field
The present invention relates to lumber functionality improvements and higher value application technical field, and in particular to a kind of phenolic resin reinforcing
The method of wood of Cunninghamia lanceolata.
Background technique
Artificial forest wood is the main raw material(s) of China's timber industry, and the efficient high-quality utilization of artificial forest wood is for solving
The big problem of China's timber resource shortage, importation dependence is of great significance.China fir be the important fast-growing woods tree species in south it
One, it is counted according to the State Administration of Forestry, lanceolata forest area accounts for about the 1/4 of national artificial forest area, the 1/2 of southern artificial forest area is accounted for,
It is China fir that national commodity woods, which has 1/4,.By above data it will be evident that in the processing of China's timber, economic construction and ecological ring
Border protection etc., China fir all occupies highly important status.But wood of Cunninghamia lanceolata there are materials loose, poor dimensional stability etc. lacks
It falls into, significantly limits the development and utilization of China fir.The existing method for impregnating modified and reinforced timber using in-situ polymerization (is invented special
Sharp 103600389 B of publication number CN and 102699966 B of CN) in, it is the phenolic resin that low molecular weight is first prepared, then
Timber is immersed in Water Solvable Low-molecular Weight Phenol-formaldehyde solution in vacuum impregnation tank, and low molecule is made by vacuum pressed
The resin of amount diffuses into wood cell chamber and cell wall, and then makes timber increase-volume, is dried and removed moisture again later, finally
Heating makes resin polymerizing curable in situ in wood cell chamber and cell wall, obtains dipping improved wood, to reach reinforcing wood
The effect of material.The deficiencies of existing method needs to be additionally provided pressure, and there are complex process, the high requirements on the equipment, high energy consumptions；And because
Resin itself has certain molecular weight, and there are aspirated pits for China fir, and then influences the saturation of resin in wood, causes to soak
Stain low efficiency, the uniformity are poor.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, provide that a kind of reaction efficiency is high, dipping is equal
The method that even phenolic resin strengthens wood of Cunninghamia lanceolata is a kind of small molecule synthesis material using novolak resin in Chinese fir wood
In-situ polymerization is integrated with in-situ solidifying in material generates phenolic resin to strengthen the method for wood of Cunninghamia lanceolata.
Technical problem solved by the invention is realized using following technical scheme:
A kind of method that phenolic resin strengthens wood of Cunninghamia lanceolata, the method are mainly to pass through the small molecule synthesis of novolak resin
Raw material polymerizing curable generation phenolic resin in situ in wood of Cunninghamia lanceolata, realizes the reinforcing of wood of Cunninghamia lanceolata；The small molecule synthesis is former
Material specifically includes that formalin, phenol and resorcinol, wherein the mass fraction of formalin is 37%.
As further modification of the invention, the small molecule synthesis material further include: catalyst a, catalyst b and water,
Wherein, the catalyst a is made of monovalent metal hydroxide, and the catalyst b is by Divalent metal hydroxide and/or divalent
Metal oxide composition.
As further modification of the invention, the method that the phenolic resin strengthens wood of Cunninghamia lanceolata specifically includes following step
It is rapid:
The pretreatment of S1, wood of Cunninghamia lanceolata: wood of Cunninghamia lanceolata is subjected to saw system and drying, obtains pretreated wood of Cunninghamia lanceolata；
The preparation of S2, phenolic resin home position polymerization reaction liquid: according to formula, in parts by weight, by 94.1 parts of melting phenol,
5.5 parts~16.5 parts resorcinols, 121.74 parts~202.91 parts formalins, 4 parts~16.8 parts catalyst a, 1.2 parts~
12 parts of catalyst b, 20.8 parts~43.2 parts water are mixed and stirred for uniformly, being configured to the phenolic resin home position polymerization reaction liquid；
The dipping of S3, wood of Cunninghamia lanceolata: by pretreated wood of Cunninghamia lanceolata together with prepared phenolic resin home position polymerization reaction liquid
It is put into hydrothermal reaction kettle, sealing is placed, and the temperature of hydrothermal reaction kettle is then increased to 35 DEG C~65 DEG C and is kept the temperature, phenolic aldehyde is made
Resin original position polymerization liquid is impregnated into wood of Cunninghamia lanceolata；
The in-situ polymerization curing reaction of S4, phenolic resin home position polymerization reaction liquid: after the soaking time in step S3 reaches,
Continue for the temperature of hydrothermal reaction kettle to be increased to 80 DEG C~95 DEG C, the phenolic resin in-situ polymerization for making to be impregnated into wood of Cunninghamia lanceolata is anti-
Liquid is answered to carry out home position polymerization reaction；It is further continued for for the temperature of hydrothermal reaction kettle being increased to 100 DEG C~120 DEG C later, make in situ poly-
It closes and reacts resulting phenolic resin in-situ polymerization object progress in-situ solidifying reaction, obtain phenolic resin and strengthen wood of Cunninghamia lanceolata.
As a further improvement of the present invention, in the step S3, the time for sealing placement is 8h~for 24 hours, heat preservation when
Between be 0.5h~3h.
As a further improvement of the present invention, in the step S4, the time of home position polymerization reaction is 0.5h~2h.
As a further improvement of the present invention, in the step S4, the time of in-situ solidifying reaction is 1h~5h.
As a further improvement of the present invention, form the catalyst a monovalent metal hydroxide be sodium hydroxide or
Potassium hydroxide.
As a further improvement of the present invention, the Divalent metal hydroxide for forming the catalyst b is barium hydroxide, hydrogen
One of magnesia, calcium hydroxide, zinc hydroxide are a variety of, bivalent metal oxide be barium monoxide, magnesia, calcium oxide,
One of zinc oxide is a variety of.
As a further improvement of the present invention, in the step S1, the saw specification of wood of Cunninghamia lanceolata: a length of 10mm~
40mm, width are 10mm~40mm, a height of 200mm~800mm, and wood of Cunninghamia lanceolata drying to the moisture content after saw system is 8%~12%.
Compared with the prior art, the advantages of the present invention are as follows:
(1) the phenolic resin polymerization that the present invention uses and the curing integrated method for strengthening modified wood of Cunninghamia lanceolata, are first by phenolic aldehyde
The small molecule synthesis material of resin is immersed in wood of Cunninghamia lanceolata, at this point, the reaction raw materials of small molecule easily and equably penetrate into
In wood of Cunninghamia lanceolata, then using wood of Cunninghamia lanceolata itself as reacting environment, in-situ polymerization is formed by curing the phenolic resin of high molecular weight, in turn
Achieve the purpose that timber is strengthened.The present invention is remarkably improved the pickling efficiency and the uniformity of Wood modifier.
(2) the curing integrated method for strengthening wood of Cunninghamia lanceolata of phenolic resin in-situ polymerization provided by the invention, can significant letter
Change dipping process, improves efficiency.
(3) present invention uses hydrothermal reaction kettle for reactor, forms steam at high temperature by reactant and generates pressure,
It does not need to be additionally provided pressure, it is low for equipment requirements.
(4) the curing integrated method for strengthening wood of Cunninghamia lanceolata of phenolic resin in-situ polymerization provided by the invention, significantly reduces
The solidification temperature of phenolic resin (realizes intermediate temperature setting), reduce solidify energy consumption while, intermediate temperature setting can reduce internal stress,
To improve the physical and mechanical property of modified wood of Cunninghamia lanceolata.
(5) resulting phenolic resin polymerizing curable integration is prepared using method provided by the invention strengthen wood of Cunninghamia lanceolata not
It can only be used to the fields such as furniture, floor, building, it might even be possible to meet the requirement of modern assembled timber engineering material.
Specific embodiment
Below in conjunction with specific preferred embodiment, the invention will be further described, but not thereby limiting the invention
Protection scope.
Material employed in following embodiment and instrument are commercially available.
In following embodiment, the method for testing performance of timber is referring to GB/T1936.1-2009 and GB/T1941-2009.
Embodiment 1:
A kind of method that phenolic resin of the invention strengthens wood of Cunninghamia lanceolata is a kind of small molecule synthesis using novolak resin
Raw material in-situ polymerization in wood of Cunninghamia lanceolata is integrated with in-situ solidifying to generate phenolic resin to strengthen the method for wood of Cunninghamia lanceolata, specifically
Include the following steps:
The pretreatment of S1, wood of Cunninghamia lanceolata: wood of Cunninghamia lanceolata is made according to dimension saw: length × width × height be 10mm × 10mm ×
Then 200mm is dried according to drying of wood benchmark, drying to moisture content is 12%.
The preparation of S2, phenolic resin home position polymerization reaction liquid: according to formula, precise reaction solution in parts by weight
Each component melts the formalin, 4 parts that phenol, 5.5 parts of resorcinols, 121.74 parts of mass fractions are 37% for 94.1 parts
Sodium hydroxide is stirred as catalyst b, 20.8 parts of water to being uniformly mixed as catalyst a, 12 parts of barium hydroxides, is configured to phenolic aldehyde
Resin original position polymerization liquid.The above raw material components can with 1g for 1 parts by weight, but not limited to this, determine according to the actual situation,
Its embodiment herewith illustrates.
The dipping of S3, wood of Cunninghamia lanceolata: by pretreated wood of Cunninghamia lanceolata and prepared phenolic resin home position polymerization reaction liquid
It is put into togerther in hydrothermal reaction kettle, 8h is placed in sealing, and the temperature of hydrothermal reaction kettle is then warming up to 60 DEG C and keeps the temperature 0.5h, is made
Phenolic resin home position polymerization reaction liquid is impregnated into wood of Cunninghamia lanceolata.
The in-situ polymerization curing reaction of S4, phenolic resin home position polymerization reaction liquid: to the heat preservation dip time in step S3
After reaching, continue the temperature of hydrothermal reaction kettle being warming up to 95 DEG C, makes to be impregnated into the phenolic resin in-situ polymerization in wood of Cunninghamia lanceolata
Reaction solution carries out home position polymerization reaction, and the time of home position polymerization reaction is 0.5h；It is further continued for later by the temperature of hydrothermal reaction kettle
120 DEG C are warming up to, so that the resulting phenolic resin in-situ polymerization object of home position polymerization reaction is carried out in-situ solidifying reaction, in-situ solidifying is anti-
The time answered is 2h, obtains phenolic resin and strengthens wood of Cunninghamia lanceolata.
Embodiment 2:
A kind of method that phenolic resin of the invention strengthens wood of Cunninghamia lanceolata is a kind of small molecule synthesis using novolak resin
Raw material in-situ polymerization in wood of Cunninghamia lanceolata is integrated with in-situ solidifying to generate phenolic resin to strengthen the method for wood of Cunninghamia lanceolata, specifically
Include the following steps:
The pretreatment of S1, wood of Cunninghamia lanceolata: wood of Cunninghamia lanceolata is made according to dimension saw: length × width × height be 20mm × 20mm ×
Then 400mm is dried according to drying of wood benchmark, drying to moisture content is 10%.
The preparation of S2, phenolic resin home position polymerization reaction liquid: according to formula, precise reaction solution in parts by weight
Each component melts the formalin, 11.2 that phenol, 11 parts of resorcinols, 178.55 parts of mass fractions are 37% for 94.1 parts
Part potassium hydroxide is as catalyst a, 1.63 parts of zinc oxide and 1.75 parts of magnesium hydroxides mixing as catalyst b, 32 parts of water stirrings
To being uniformly mixed, it is configured to phenolic resin home position polymerization reaction liquid.
The dipping of S3, wood of Cunninghamia lanceolata: by pretreated wood of Cunninghamia lanceolata and prepared phenolic resin home position polymerization reaction liquid
It being put into togerther in hydrothermal reaction kettle, 16h is placed in sealing, and the temperature of hydrothermal reaction kettle is then warming up to 45 DEG C and keeps the temperature 1.3h,
It is impregnated into phenolic resin home position polymerization reaction liquid in wood of Cunninghamia lanceolata.
The in-situ polymerization curing reaction of S4, phenolic resin home position polymerization reaction liquid: to the heat preservation dip time in step S3
After reaching, continue the temperature of hydrothermal reaction kettle being warming up to 88 DEG C, makes to be impregnated into the phenolic resin in-situ polymerization in wood of Cunninghamia lanceolata
Reaction solution carries out home position polymerization reaction, and the time of home position polymerization reaction is 1.5h；It is further continued for later by the temperature of hydrothermal reaction kettle
120 DEG C are warming up to, so that the resulting phenolic resin in-situ polymerization object of home position polymerization reaction is carried out in-situ solidifying reaction, in-situ solidifying is anti-
The time answered is 3.5h, obtains phenolic resin and strengthens wood of Cunninghamia lanceolata.
Embodiment 3:
A kind of method that phenolic resin of the invention strengthens wood of Cunninghamia lanceolata is a kind of small molecule synthesis using novolak resin
Raw material in-situ polymerization in wood of Cunninghamia lanceolata is integrated with in-situ solidifying to generate phenolic resin to strengthen the method for wood of Cunninghamia lanceolata, specifically
Include the following steps:
The pretreatment of S1, wood of Cunninghamia lanceolata: wood of Cunninghamia lanceolata is made according to dimension saw: length × width × height be 40mm × 40mm ×
Then 800mm is dried according to drying of wood benchmark, drying to moisture content is 8%；
The preparation of S2, phenolic resin home position polymerization reaction liquid: according to formula, each of precise reaction solution in parts by weight
Component melts the formalin, 12 parts of hydrogen that phenol, 16.5 parts of resorcinols, 202.91 parts of mass fractions are 37% for 94.1 parts
Sodium oxide molybdena is stirred as catalyst b, 43.2 parts of water to being uniformly mixed as catalyst a, 1.2 parts of magnesia, is configured to phenolic aldehyde tree
Rouge home position polymerization reaction liquid；
The dipping of S3, wood of Cunninghamia lanceolata: by pretreated wood of Cunninghamia lanceolata together with prepared phenolic resin home position polymerization reaction liquid
It is put into hydrothermal reaction kettle, sealing is placed for 24 hours, and the temperature of hydrothermal reaction kettle is then warming up to 35 DEG C and keeps the temperature 3h, makes phenolic aldehyde
Resin original position polymerization liquid is impregnated into wood of Cunninghamia lanceolata；
The in-situ polymerization curing reaction of S4, phenolic resin home position polymerization reaction liquid: reach to the heat preservation dip time in step S3
Afterwards, continue the temperature of hydrothermal reaction kettle being warming up to 80 DEG C, make to be impregnated into the phenolic resin home position polymerization reaction in wood of Cunninghamia lanceolata
Liquid carries out home position polymerization reaction, and the time of home position polymerization reaction is 2h；It is further continued for for the temperature of hydrothermal reaction kettle being warming up to later
100 DEG C, the resulting phenolic resin in-situ polymerization object of home position polymerization reaction is made to carry out in-situ solidifying reaction, in-situ solidifying reaction when
Between be 5h, obtain phenolic resin strengthen wood of Cunninghamia lanceolata.
Above-described embodiment 1, embodiment 2, embodiment 3 and the properties inspection without phenolic resin modified wood of Cunninghamia lanceolata
The results are shown in Table 1 for survey.It can be seen that from testing result, after phenolic resin modified, wood weight and density are significantly improved, thus
Show that phenolic resin home position polymerization reaction liquid is successfully impregnated into wood internal.Meanwhile the mechanical strength of improved wood is also obvious
Better than non-modified timber, further demonstrate that phenolic resin home position polymerization reaction liquid is successfully impregnated into wood internal, and
Polymerization curing reaction occurs, generates the phenolic resin of macromolecular, and then fill timber cavity, enhances the mechanical property of timber.
1 phenolic resin of table strengthens wood of Cunninghamia lanceolata performance test
The present invention uses and first the small molecule synthesis material of phenolic resin is impregnated into wood of Cunninghamia lanceolata, then is with wood of Cunninghamia lanceolata itself
Reaction vessel carries out home position polymerization reaction and the method for realizing phenolic resin curing, realize modifying agent polymerize in wood of Cunninghamia lanceolata and
It is curing integrated, and modifying agent dipping effect in wood and the uniformity are significantly improved, the reinforcing for simplifying wood of Cunninghamia lanceolata is modified
Technique.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example.All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It is noted that for the art
Those of ordinary skill for, improvements and modifications without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of method that phenolic resin strengthens wood of Cunninghamia lanceolata, which is characterized in that the method mainly passes through synthesis phenolic aldehyde tree
The small molecule synthesis material of rouge polymerizing curable generation phenolic resin in situ in wood of Cunninghamia lanceolata, realizes the reinforcing of wood of Cunninghamia lanceolata；Institute
It states small molecule synthesis material and specifically includes that formalin, phenol and resorcinol, wherein the quality of the formalin
Score is 37%.
2. the method that phenolic resin according to claim 1 strengthens wood of Cunninghamia lanceolata, which is characterized in that the small molecule synthesis
Raw material further include: catalyst a, catalyst b and water；Wherein, the catalyst a is made of monovalent metal hydroxide, described to urge
Agent b is made of Divalent metal hydroxide and/or bivalent metal oxide.
3. the method that phenolic resin according to claim 2 strengthens wood of Cunninghamia lanceolata, which is characterized in that the method is specifically wrapped
Include following steps:
The pretreatment of S1, wood of Cunninghamia lanceolata: wood of Cunninghamia lanceolata is subjected to saw system and drying, obtains pretreated wood of Cunninghamia lanceolata；
The preparation of S2, phenolic resin home position polymerization reaction liquid: according to formula, in parts by weight, by 94.1 parts of melting phenol,
5.5 parts~16.5 parts resorcinols, 121.74 parts~202.91 parts formalins, 4 parts~16.8 parts catalyst a, 1.2 parts~
12 parts of catalyst b, 20.8 parts~43.2 parts water are mixed and stirred for uniformly, being configured to the phenolic resin home position polymerization reaction liquid；
The dipping of S3, wood of Cunninghamia lanceolata: by pretreated wood of Cunninghamia lanceolata together with prepared phenolic resin home position polymerization reaction liquid
It is put into hydrothermal reaction kettle, sealing is placed, and the temperature of hydrothermal reaction kettle is then increased to 35 DEG C~65 DEG C and is kept the temperature, phenolic aldehyde is made
Resin original position polymerization liquid is impregnated into wood of Cunninghamia lanceolata；
The in-situ polymerization curing reaction of S4, phenolic resin home position polymerization reaction liquid: after the soaking time in step S3 reaches, after
It is continuous that the temperature of hydrothermal reaction kettle is increased to 80 DEG C~95 DEG C, make to be impregnated into the phenolic resin home position polymerization reaction in wood of Cunninghamia lanceolata
Liquid carries out home position polymerization reaction；It is further continued for for the temperature of hydrothermal reaction kettle being increased to 100 DEG C~120 DEG C later, makes in-situ polymerization
It reacts resulting phenolic resin in-situ polymerization object and carries out in-situ solidifying reaction, obtain phenolic resin and strengthen wood of Cunninghamia lanceolata.
4. the method that phenolic resin according to claim 3 strengthens wood of Cunninghamia lanceolata, which is characterized in that in the step S3,
The time that sealing is placed is 8h~for 24 hours, and the time of heat preservation is 0.5h~3h.
5. the method that phenolic resin according to claim 4 strengthens wood of Cunninghamia lanceolata, which is characterized in that in the step S4,
The time of home position polymerization reaction is 0.5h~2h.
6. the method that phenolic resin according to claim 5 strengthens wood of Cunninghamia lanceolata, which is characterized in that in the step S4,
The time of in-situ solidifying reaction is 1h~5h.
7. the method for the reinforcing wood of Cunninghamia lanceolata of the phenolic resin according to any one of claim 2~6, which is characterized in that group
Monovalent metal hydroxide at the catalyst a is sodium hydroxide or potassium hydroxide.
8. the method that phenolic resin according to claim 7 strengthens wood of Cunninghamia lanceolata, which is characterized in that form the catalyst
The Divalent metal hydroxide of b is one of barium hydroxide, magnesium hydroxide, calcium hydroxide, zinc hydroxide or a variety of, divalent gold
Category oxide is one of barium monoxide, magnesia, calcium oxide, zinc oxide or a variety of.
9. the method for the reinforcing wood of Cunninghamia lanceolata of the phenolic resin according to any one of claim 3~6 or 8, which is characterized in that
In the step S1, the saw specification of wood of Cunninghamia lanceolata: a length of 10mm~40mm, width be 10mm~40mm, a height of 200mm~
800mm, wood of Cunninghamia lanceolata drying to the moisture content after saw is made is 8%~12%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811068993.0A CN109016000B (en) | 2018-09-13 | 2018-09-13 | Method for strengthening fir wood by phenolic resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811068993.0A CN109016000B (en) | 2018-09-13 | 2018-09-13 | Method for strengthening fir wood by phenolic resin |
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| Publication Number | Publication Date |
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| CN109016000A true CN109016000A (en) | 2018-12-18 |
| CN109016000B CN109016000B (en) | 2020-08-07 |
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ID=64622194
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811068993.0A Active CN109016000B (en) | 2018-09-13 | 2018-09-13 | Method for strengthening fir wood by phenolic resin |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112223463A (en) * | 2020-10-19 | 2021-01-15 | 桃江县鑫龙阳光木业胶板厂(普通合伙) | High-strength wood composite material and preparation method thereof |
| CN114083636A (en) * | 2021-12-03 | 2022-02-25 | 德华兔宝宝装饰新材股份有限公司 | Preparation method of energy-saving heat-preservation modified wood window and product thereof |
| CN114770680A (en) * | 2022-04-27 | 2022-07-22 | 东北林业大学 | Safe and environment-friendly novel method for chemically dipping and modifying cedar |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103600389A (en) * | 2013-11-11 | 2014-02-26 | 中南林业科技大学 | Method for reinforcing wood in solid wood through micromolecule phenolic aldehyde monomers |
| CN103692519A (en) * | 2013-12-19 | 2014-04-02 | 东北林业大学 | Method for in-situ growth of magnetic nanoparticles Fe3O4 on surface of wood |
| CN104070572A (en) * | 2014-07-01 | 2014-10-01 | 中国林业科学研究院木材工业研究所 | Preparation method for multifunctional resin modifier for wood impregnation and application of multifunctional resin modifier |
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2018
- 2018-09-13 CN CN201811068993.0A patent/CN109016000B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103600389A (en) * | 2013-11-11 | 2014-02-26 | 中南林业科技大学 | Method for reinforcing wood in solid wood through micromolecule phenolic aldehyde monomers |
| CN103692519A (en) * | 2013-12-19 | 2014-04-02 | 东北林业大学 | Method for in-situ growth of magnetic nanoparticles Fe3O4 on surface of wood |
| CN104070572A (en) * | 2014-07-01 | 2014-10-01 | 中国林业科学研究院木材工业研究所 | Preparation method for multifunctional resin modifier for wood impregnation and application of multifunctional resin modifier |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112223463A (en) * | 2020-10-19 | 2021-01-15 | 桃江县鑫龙阳光木业胶板厂(普通合伙) | High-strength wood composite material and preparation method thereof |
| CN114083636A (en) * | 2021-12-03 | 2022-02-25 | 德华兔宝宝装饰新材股份有限公司 | Preparation method of energy-saving heat-preservation modified wood window and product thereof |
| CN114770680A (en) * | 2022-04-27 | 2022-07-22 | 东北林业大学 | Safe and environment-friendly novel method for chemically dipping and modifying cedar |
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| Publication number | Publication date |
|---|---|
| CN109016000B (en) | 2020-08-07 |
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