CN108568708A - A kind for the treatment of process improving paulownia wood mechanical property - Google Patents
A kind for the treatment of process improving paulownia wood mechanical property Download PDFInfo
- Publication number
- CN108568708A CN108568708A CN201810661380.1A CN201810661380A CN108568708A CN 108568708 A CN108568708 A CN 108568708A CN 201810661380 A CN201810661380 A CN 201810661380A CN 108568708 A CN108568708 A CN 108568708A
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- CN
- China
- Prior art keywords
- paulownia wood
- mechanical property
- treatment
- paulownia
- process improving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- 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
- B27K3/10—Apparatus
-
- 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
- B27K3/52—Impregnating agents containing mixtures of inorganic and organic compounds
-
- 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
- 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
- B27K5/0065—Ultrasonic treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/04—Combined bleaching or impregnating and drying of wood
Abstract
The invention belongs to the processing technology fields of paulownia wood, and in particular to a kind for the treatment of process improving paulownia wood mechanical property, including the following contents：（1）Paulownia wood is removed the peel, is polished；（2）Paulownia wood, citric acid and deionized water are mixed, impregnates, is subsequently placed in the environment of ultrasonic wave, addition acetic anhydride, sodium alginate are placed in the processing of microwave reaction instrument；（3）By paulownia wood temperature be 80 88 DEG C, relative air humidity be 70% in the environment of place；（4）Treated paulownia wood is fitted into the impregnating autoclave of modipied natural apatite, vacuumize process, then pressure release；（5）Paulownia wood is used into soaked in absolute ethyl alcohol, is then taken out, is dried；A kind for the treatment of process improving paulownia wood mechanical property disclosed by the invention, the mechanical property of paulownia wood is increased, especially bending strength is greatly enhanced, and paulownia wood surface forms fine and close structure, overall structure stability is good, and has stronger water resistance and weatherability.
Description
Technical field
The invention belongs to the processing technology fields of paulownia wood, and in particular to a kind of processing improving paulownia wood mechanical property
Technique.
Background technology
The Paulownia grain of wood is beautiful, surface is smooth, good stability of the dimension, but due to being fast growing wood, there is timber
The problems such as defects such as density is low, it is soft to show as material, poor mechanical property is steady to structure with the continuous development of household industry
Paulownia demand fixed, that mechanical property is good is increasing, and higher requirements are also raised to paulownia wood, not only to its structure
It is required with mechanical property, while to tensile strength, the technology for how keeping the beautiful grain of wood to be solved at present needs
Problem.
Invention content
The present invention is achieved by the following technical solutions：A kind for the treatment of process improving paulownia wood mechanical property, including
The following contents：
（1）After paulownia wood is removed the peel, then polished using sand paper paulownia wood surface；
（2）The paulownia wood of above-mentioned processing, citric acid and deionized water are pressed:10:1.2-1.5：100 mass ratios mix, and impregnate
40min is subsequently placed in the environment of ultrasonic wave and carries out processing 3-6min, then adds acetic anhydride, sodium alginate, is placed in microwave reaction
Instrument carries out processing 5-8min, after microwaved, take out, is washed using clear water, and it is to keep the temperature 40min at 45 DEG C to be placed in temperature；
（3）In temperature it is 80-88 DEG C by treated paulownia wood, relative air humidity is placed 4 small in the environment of being 70%
When, it then takes out；
（4）Treated paulownia wood is fitted into the impregnating autoclave of modipied natural apatite, vacuumize process, treatment temperature is
105 DEG C, then pressure release；
（5）Treated paulownia wood is used into soaked in absolute ethyl alcohol 2 hours, is then taken out, drying to constant weight, i.e.,
It can.
Further, step（1）Described in sand paper be 1000# sand paper.
Further, step（1）Described in time for polishing be 3 hours.
Further, step（2）Described in ultrasonic power be 1200W, frequency 50kHz.
Further, step（2）Described in microwave power be 500W.
Further, step（4）Described in modipied natural apatite be made by weight of following component：
Linseed oil 100, potassium peroxydisulfate 0.1, maleic anhydride 2, lanthanum chloride 0.16, glycerine 3.5.
Further, the modipied natural apatite preparation method is：
The preparation method of the modipied natural apatite is：After mixing by linseed oil and lanthanum chloride, 102 DEG C are heated to, with
180r/min speed stirs after forty minutes, adds maleic anhydride, continues to be kept for 102 DEG C, and stir 20 points with 350r/min speed
Then clock adds potassium peroxydisulfate and glycerine, temperature is adjusted to 115 DEG C, cooling after being stirred 30 minutes with 350r/min speed
To 55 DEG C, 500W microwave treatment 50s, cooled to room temperature are then used.
Further, step（4）Described in vacuum vacuum degree be 0.002MPa, dip time 35min.
The present invention has the following advantages compared with prior art：A kind of place improving paulownia wood mechanical property disclosed by the invention
Science and engineering skill, passes through step（2）Processing, can by the synergistic effect of acetic anhydride and sodium alginate, destroy fiber where knot
Crystal structure expands the range of unformed area, fixed convenient for a certain amount of nothing for immersing Paulownia lumber fiber of successive modified linseed oil
It in shape area, is handled by modipied natural apatite vacuum impregnation, weakens the active force between crystal region and unformed area, increase bubble
The mechanical property of paulownia timber, especially bending strength are greatly enhanced, and paulownia wood surface forms fine and close structure, whole
Structural stability is good, and has stronger water resistance and weatherability.
Specific implementation mode
Embodiment 1
A kind for the treatment of process improving paulownia wood mechanical property, including the following contents：
（1）After paulownia wood is removed the peel, then polished using sand paper paulownia wood surface；
（2）The paulownia wood of above-mentioned processing, citric acid and deionized water are pressed:10:1.2：100 mass ratios mix, and impregnate
40min is subsequently placed in the environment of ultrasonic wave and carries out processing 3min, then adds acetic anhydride, sodium alginate, is placed in microwave reaction instrument
Processing 5min is carried out, after microwaved, take out, is washed using clear water, it is to keep the temperature 40min at 45 DEG C to be placed in temperature；
（3）In temperature it is 80 DEG C by treated paulownia wood, relative air humidity places 4 hours in the environment of being 70%, so
After take out；
（4）Treated paulownia wood is fitted into the impregnating autoclave of modipied natural apatite, vacuumize process, treatment temperature is
105 DEG C, treatment temperature is 105 DEG C, then pressure release；
（5）Treated paulownia wood is used into soaked in absolute ethyl alcohol 2 hours, is then taken out, drying to constant weight, i.e.,
It can.
Further, step（1）Described in sand paper be 1000# sand paper.
Further, step（1）Described in time for polishing be 3 hours.
Further, step（2）Described in ultrasonic power be 1200W, frequency 50kHz.
Further, step（2）Described in microwave power be 500W.
Further, step（4）Described in modipied natural apatite be made by weight of following component：
Linseed oil 100, potassium peroxydisulfate 0.1, maleic anhydride 2, lanthanum chloride 0.16, glycerine 3.5.
Further, the modipied natural apatite preparation method is：
The preparation method of the modipied natural apatite is：After mixing by linseed oil and lanthanum chloride, 102 DEG C are heated to, with
180r/min speed stirs after forty minutes, adds maleic anhydride, continues to be kept for 102 DEG C, and stir 20 points with 350r/min speed
Then clock adds potassium peroxydisulfate and glycerine, temperature is adjusted to 115 DEG C, cooling after being stirred 30 minutes with 350r/min speed
To 55 DEG C, 500W microwave treatment 50s, cooled to room temperature are then used.
Further, step（4）Described in vacuum vacuum degree be 0.002MPa, dip time 35min.
Embodiment 2
A kind for the treatment of process improving paulownia wood mechanical property, including the following contents：
（1）After paulownia wood is removed the peel, then polished using sand paper paulownia wood surface；
（2）The paulownia wood of above-mentioned processing, citric acid and deionized water are pressed:10:1.5：100 mass ratios mix, and impregnate
40min is subsequently placed in the environment of ultrasonic wave and carries out processing 6min, then adds acetic anhydride, sodium alginate, is placed in microwave reaction instrument
Processing 8min is carried out, after microwaved, take out, is washed using clear water, it is to keep the temperature 40min at 45 DEG C to be placed in temperature；
（3）In temperature it is 88 DEG C by treated paulownia wood, relative air humidity places 4 hours in the environment of being 70%, so
After take out；
（4）Treated paulownia wood is fitted into the impregnating autoclave of modipied natural apatite, vacuumize process, treatment temperature is
105 DEG C, then pressure release；
（5）Treated paulownia wood is used into soaked in absolute ethyl alcohol 2 hours, is then taken out, drying to constant weight, i.e.,
It can.
Further, step（1）Described in sand paper be 1000# sand paper.
Further, step（1）Described in time for polishing be 3 hours.
Further, step（2）Described in ultrasonic power be 1200W, frequency 50kHz.
Further, step（2）Described in microwave power be 500W.
Further, step（4）Described in modipied natural apatite be made by weight of following component：
Linseed oil 100, potassium peroxydisulfate 0.1, maleic anhydride 2, lanthanum chloride 0.16, glycerine 3.5.
Further, the modipied natural apatite preparation method is：
The preparation method of the modipied natural apatite is：After mixing by linseed oil and lanthanum chloride, 102 DEG C are heated to, with
180r/min speed stirs after forty minutes, adds maleic anhydride, continues to be kept for 102 DEG C, and stir 20 points with 350r/min speed
Then clock adds potassium peroxydisulfate and glycerine, temperature is adjusted to 115 DEG C, cooling after being stirred 30 minutes with 350r/min speed
To 55 DEG C, 500W microwave treatment 50s, cooled to room temperature are then used.
Further, step（4）Described in vacuum vacuum degree be 0.002MPa, dip time 35min.
Embodiment 3
A kind for the treatment of process improving paulownia wood mechanical property, including the following contents：
（1）After paulownia wood is removed the peel, then polished using sand paper paulownia wood surface；
（2）The paulownia wood of above-mentioned processing, citric acid and deionized water are pressed:10:1.3：100 mass ratios mix, and impregnate
40min is subsequently placed in the environment of ultrasonic wave and carries out processing 5min, then adds acetic anhydride, sodium alginate, is placed in microwave reaction instrument
Processing 6min is carried out, after microwaved, take out, is washed using clear water, it is to keep the temperature 40min at 45 DEG C to be placed in temperature；
（3）In temperature it is 82 DEG C by treated paulownia wood, relative air humidity places 4 hours in the environment of being 70%, so
After take out；
（4）Treated paulownia wood is fitted into the impregnating autoclave of modipied natural apatite, vacuumize process, then pressure release；
（5）Treated paulownia wood is used into soaked in absolute ethyl alcohol 2 hours, is then taken out, drying to constant weight, i.e.,
It can.
Further, step（1）Described in sand paper be 1000# sand paper.
Further, step（1）Described in time for polishing be 3 hours.
Further, step（2）Described in ultrasonic power be 1200W, frequency 50kHz.
Further, step（2）Described in microwave power be 500W.
Further, step（4）Described in modipied natural apatite be made by weight of following component：
Linseed oil 100, potassium peroxydisulfate 0.1, maleic anhydride 2, lanthanum chloride 0.16, glycerine 3.5.
Further, the modipied natural apatite preparation method is：
The preparation method of the modipied natural apatite is：After mixing by linseed oil and lanthanum chloride, 102 DEG C are heated to, with
180r/min speed stirs after forty minutes, adds maleic anhydride, continues to be kept for 102 DEG C, and stir 20 points with 350r/min speed
Then clock adds potassium peroxydisulfate and glycerine, temperature is adjusted to 115 DEG C, cooling after being stirred 30 minutes with 350r/min speed
To 55 DEG C, 500W microwave treatment 50s, cooled to room temperature are then used.
Further, step（4）Described in vacuum vacuum degree be 0.002MPa, dip time 35min.
Comparative example 1：It is differed only in without step with embodiment 1（2）Processing.
Comparative example 2：It is differed only in embodiment 1 and modipied natural apatite is replaced with into unmodified linseed oil.
Treated that paulownia wood is processed into the long generous plank for 100cm × 10cm × 2cm for detection embodiment and comparative example,
Detect its bending strength；Obtain following result；
Table 1
Control group is the untreated paulownia wood plank of same size；
As can be seen from Table 1, the plank of the method for the present invention treated paulownia wood processing has better bending strength.
Claims (8)
1. a kind for the treatment of process improving paulownia wood mechanical property, which is characterized in that including the following contents：
（1）After paulownia wood is removed the peel, then polished using sand paper paulownia wood surface；
（2）The paulownia wood of above-mentioned processing, citric acid and deionized water are pressed:10:1.2-1.5：100 mass ratios mix, and impregnate
40min is subsequently placed in the environment of ultrasonic wave and carries out processing 3-6min, then adds acetic anhydride, sodium alginate, is placed in microwave reaction
Instrument carries out processing 5-8min, after microwaved, take out, is washed using clear water, and it is to keep the temperature 40min at 45 DEG C to be placed in temperature；
（3）In temperature it is 80-88 DEG C by treated paulownia wood, relative air humidity is placed 4 small in the environment of being 70%
When, it then takes out；
（4）Treated paulownia wood is fitted into the impregnating autoclave of modipied natural apatite, vacuumize process, then pressure release；
（5）Treated paulownia wood is used into soaked in absolute ethyl alcohol 2 hours, is then taken out, drying to constant weight, i.e.,
It can.
2. a kind for the treatment of process improving paulownia wood mechanical property as described in claim 1, which is characterized in that step（1）Middle institute
It is 1000# sand paper to state sand paper.
3. a kind for the treatment of process improving paulownia wood mechanical property as described in claim 1, which is characterized in that step（1）Middle institute
The time for stating polishing is 3 hours.
4. a kind for the treatment of process improving paulownia wood mechanical property as described in claim 1, which is characterized in that step（2）Middle institute
It is 1200W, frequency 50kHz to state ultrasonic power.
5. a kind for the treatment of process improving paulownia wood mechanical property as described in claim 1, which is characterized in that step（2）Middle institute
It is 500W to state microwave power.
6. a kind for the treatment of process improving paulownia wood mechanical property as described in claim 1, which is characterized in that step（4）Middle institute
Modipied natural apatite is stated to be made of following component by weight：
Linseed oil 100, potassium peroxydisulfate 0.1, maleic anhydride 2, lanthanum chloride 0.16, glycerine 3.5.
7. a kind for the treatment of process improving paulownia wood mechanical property as claimed in claim 6, which is characterized in that described modified flax
Seed oil preparation method is：
The preparation method of the modipied natural apatite is：After mixing by linseed oil and lanthanum chloride, 102 DEG C are heated to, with
180r/min speed stirs after forty minutes, adds maleic anhydride, continues to be kept for 102 DEG C, and stir 20 points with 350r/min speed
Then clock adds potassium peroxydisulfate and glycerine, temperature is adjusted to 115 DEG C, cooling after being stirred 30 minutes with 350r/min speed
To 55 DEG C, 500W microwave treatment 50s, cooled to room temperature are then used.
8. a kind for the treatment of process improving paulownia wood mechanical property as described in claim 1, which is characterized in that step（4）Middle institute
The vacuum degree for stating vacuum is 0.002MPa, dip time 35min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810661380.1A CN108568708A (en) | 2018-06-25 | 2018-06-25 | A kind for the treatment of process improving paulownia wood mechanical property |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810661380.1A CN108568708A (en) | 2018-06-25 | 2018-06-25 | A kind for the treatment of process improving paulownia wood mechanical property |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108568708A true CN108568708A (en) | 2018-09-25 |
Family
ID=63573478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810661380.1A Pending CN108568708A (en) | 2018-06-25 | 2018-06-25 | A kind for the treatment of process improving paulownia wood mechanical property |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109822700A (en) * | 2019-02-27 | 2019-05-31 | 于海洋 | A method of with the composite modified processing bamboo wood of earth solution-glass fibre |
| CN110076866A (en) * | 2019-03-29 | 2019-08-02 | 阜南县汇丰家居工艺品有限公司 | A kind of processing method improving pinus sylvestris var. mongolica Wood mechanical property |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109822700A (en) * | 2019-02-27 | 2019-05-31 | 于海洋 | A method of with the composite modified processing bamboo wood of earth solution-glass fibre |
| CN110076866A (en) * | 2019-03-29 | 2019-08-02 | 阜南县汇丰家居工艺品有限公司 | A kind of processing method improving pinus sylvestris var. mongolica Wood mechanical property |
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Application publication date: 20180925 |