CN109082940B - Preparation method of sound absorption control wet paper - Google Patents
Preparation method of sound absorption control wet paper Download PDFInfo
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- CN109082940B CN109082940B CN201810779262.0A CN201810779262A CN109082940B CN 109082940 B CN109082940 B CN 109082940B CN 201810779262 A CN201810779262 A CN 201810779262A CN 109082940 B CN109082940 B CN 109082940B
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M19/00—Treatment of feathers
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/36—Inorganic fibres or flakes
- D21H13/38—Inorganic fibres or flakes siliceous
- D21H13/40—Inorganic fibres or flakes siliceous vitreous, e.g. mineral wool, glass fibres
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H15/00—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution
- D21H15/02—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution characterised by configuration
- D21H15/10—Composite fibres
- D21H15/12—Composite fibres partly organic, partly inorganic
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/53—Polyethers; Polyesters
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The invention provides a preparation method of sound absorption control wet paper, which comprises the following steps: taking goose feather and wool, respectively cleaning and drying; pulverizing goose feather, sieving, pulverizing large particles, and sieving; transferring the goose feather particles into a low-temperature plasma processing device for processing to obtain modified goose feather particles; pulverizing and sieving wool, and pulverizing and sieving large particles again; transferring the wool into a high-temperature type dyeing machine for steaming treatment to obtain modified wool particles; mixing the modified goose feather particles, the modified wool, the glass fiber modified cellulose aerogel and the polyethylene glycol 200, and dispersing by using a disperser to obtain a mixture; adding softwood fibers, and continuously dispersing by using a disperser to obtain slurry; dehydrating and forming the slurry on a sheet making machine to obtain base paper; placing the base paper in a Buchner funnel, spraying the polyethylene oxide solution in a vacuum suction mode, taking out and drying to obtain the sound absorption control wet paper. The sound absorption and moisture control paper prepared by the method has good humidity adjusting performance and high average sound absorption coefficient, and is a high-efficiency sound absorption material.
Description
Technical Field
The invention relates to a preparation method of sound absorption control wet paper.
Background
The sound absorption paper is a light sound absorption material and is widely applied to various noise control and indoor acoustic decoration occasions. Especially in modern life, noise is audible everywhere and inevitable, and mainly includes traffic noise, industrial noise, building construction noise and the like. The noise is harmful to a lot and big, which can make people have low mood and hearing loss, even harm the cardiovascular system and the digestive system, reduce the working efficiency, influence the normal life and harm the health. Moreover, as society develops, the noise problem becomes more serious, and therefore, the reduction of the noise harm is also included as an important content of environmental protection. Because the sound absorption paper is an ultra-light and ultra-thin sound absorption material, compared with an inorganic fiber sound absorption material, the sound absorption paper is convenient to transport and store, saves time and labor during installation, and is low in cost. And does not pollute the environment and is beneficial to environmental protection. Meanwhile, paper is not water-resistant, so continuous research and development of paper with good sound absorption effect and humidity control has important significance for human health and improvement of life quality.
Disclosure of Invention
The technical problem to be solved is as follows: the prepared sound absorption and control wet paper has good humidity regulation performance, and the average sound absorption coefficient in the frequency range of 300-.
The technical scheme is as follows: the preparation method of the sound absorption control wet paper comprises the following steps of:
(1) taking goose feather and wool, respectively cleaning and drying;
(2) crushing goose feathers, sieving with a 200-mesh sieve, and crushing large particles again and sieving with the 200-mesh sieve;
(3) transferring into a low-temperature plasma treatment device for plasma treatment to obtain modified goose feather particles, wherein the power is 80-90W, the time is 4-5 min, and the pressure is 30-32 Pa;
(4) crushing wool, sieving with a 230-mesh sieve, and crushing large particles again and sieving with the 230-mesh sieve;
(5) transferring the wool into a high-temperature type dyeing machine, and carrying out steaming treatment for 1-3h at the temperature of 100-120 ℃ to obtain modified wool particles, wherein the heating speed is 3-4 ℃/min;
(6) mixing 7-10 parts of modified goose feather particles, 1-2 parts of modified wool, 2-5 parts of glass fiber modified cellulose aerogel and 0.5-1 part of polyethylene glycol 200, and dispersing for 2-3min at the rotation speed of 1000-;
(7) adding the softwood fibers, and continuously dispersing for 3-5min at the rotation speed of 1000-;
(8) dehydrating and forming the slurry on a sheet making machine to obtain base paper;
(9) dissolving 20-40 parts of polyethylene oxide in 50-100 parts of distilled water to obtain a polyethylene oxide solution;
(10) placing the base paper in a Buchner funnel, spraying the polyethylene oxide solution in a vacuum suction mode, taking out the base paper, placing the base paper in an oven, and drying the base paper in a hot air circulation mode at the temperature of 130-.
Further, the preparation method of the glass fiber modified cellulose aerogel comprises the following steps:
the first step is as follows: mixing 15 parts of cottonseed shell powder and 100 parts of benzene-ethanol solution, extracting at 90 ℃ for 5 hours, and discarding the extract, wherein the volume ratio of benzene to ethanol is 2: 1;
the second step is that: adding 100 parts of ethanol aqueous solution, adjusting the pH value to 4 by using glacial acetic acid, stirring for 5h, heating to 85 ℃, dropwise adding NaOH solution to maintain the pH value of the reaction system to be 10.5, and stirring for 2 h;
the third step: cleaning with deionized water, adding deionized water to obtain 0.3% aqueous suspension, and grinding in a high-speed grinder at a grinding disc gap of-5 and rotation speed of 1500r/min for 15 min;
the fourth step: transferring to a high-pressure homogenizer, wherein the pressure of a first-stage homogenizing valve is 700bar, the pressure of a second-stage homogenizing valve is 100bar, and homogenizing time is 25min to obtain uniformly dispersed suspension;
the fifth step: adding 2 parts of glass fiber, and dispersing at 14000rpm for 10min at high speed;
and a sixth step: transferring into ultrasonic cell pulverizer, ultrasonic treating at 750W power for 10min, casting into culture dish, and freeze drying.
Furthermore, the length of the glass fiber is 30-50 μm, and the diameter of the glass fiber is 10-20 μm.
Further, in the step (3), the power is 85W, the time is 4min, and the pressure is 31 Pa.
Further, the steam treatment time in the step (5) is 2 h.
Has the advantages that:
1. the goose feather can store a large amount of air per se and has a strong sound absorption function, after plasma treatment, the scales on the surface of the goose feather are partially etched and broken, the air storage amount is larger, and the sound absorption effect is better.
2. Wool is the only natural crimped fiber and can also store a large amount of air, after steaming treatment, the scale layer on the surface of the fiber is damaged, and a plurality of crystallized alpha-spiral chains in microfibrils are damaged to a certain extent in the heat treatment process, so that the sound absorption effect of the microfibril is better.
3. Goose feather and wool are very sensitive to humidity, and can adjust the humidity and absorb redundant moisture; when the air is dry, the moisture can be slowly released.
4. The material with the average sound absorption coefficient more than 0.2 is generally called sound absorption material, the material with the average sound absorption coefficient more than 0.56 is called high-efficiency sound absorption material, the average sound absorption coefficient of the sound absorption control wet paper of the invention in the frequency range of 300-6500Hz is more than 0.56, and the sound absorption control wet paper is a high-efficiency sound absorption material.
Detailed Description
Example 1
The preparation method of the sound absorption control wet paper comprises the following steps of:
(1) taking goose feather and wool, respectively cleaning and drying;
(2) crushing goose feathers, sieving with a 200-mesh sieve, and crushing large particles again and sieving with the 200-mesh sieve;
(3) transferring to a low-temperature plasma processing device for plasma processing to obtain modified goose feather particles, wherein the power is 80W, the time is 4min, and the pressure is 30 Pa;
(4) crushing wool, sieving with a 230-mesh sieve, and crushing large particles again and sieving with the 230-mesh sieve;
(5) transferring the wool into a high-temperature type dyeing machine, and steaming the wool for 1h at the temperature of 100 ℃ to obtain modified wool particles, wherein the heating speed is 3 ℃/min;
(6) mixing 7 parts of modified goose feather particles, 1 part of modified wool, 2 parts of glass fiber modified cellulose aerogel and 0.5 part of polyethylene glycol 200, and dispersing for 2min at the rotating speed of 1000r/min by using a disperser to obtain a mixture;
(7) adding the softwood fibers, and continuously dispersing for 3min at the rotating speed of 1000r/min by using a disperser to obtain slurry, wherein the absolute dry weight ratio of the mixture to the softwood fibers is 3: 7;
(8) dehydrating and forming the slurry on a sheet making machine to obtain base paper;
(9) dissolving 20 parts of polyethylene oxide in 50 parts of distilled water to obtain a polyethylene oxide solution;
(10) placing the base paper in a Buchner funnel, spraying the polyethylene oxide solution in a vacuum suction mode, taking out the base paper, placing the base paper in an oven, and drying the base paper at the temperature of 130 ℃ by hot air circulation to obtain the sound absorption control wet paper.
Example 2
The preparation method of the sound absorption control wet paper comprises the following steps of:
(1) taking goose feather and wool, respectively cleaning and drying;
(2) crushing goose feathers, sieving with a 200-mesh sieve, and crushing large particles again and sieving with the 200-mesh sieve;
(3) transferring to a low-temperature plasma processing device for plasma processing to obtain modified goose feather particles, wherein the power is 85W, the time is 4.5min, and the pressure is 31 Pa;
(4) crushing wool, sieving with a 230-mesh sieve, and crushing large particles again and sieving with the 230-mesh sieve;
(5) transferring the wool into a high-temperature type dyeing machine, and steaming at 105 ℃ for 1.5h to obtain modified wool particles, wherein the heating speed is 3.5 ℃/min;
(6) mixing 8 parts of modified goose feather particles, 1.5 parts of modified wool, 3 parts of glass fiber modified cellulose aerogel and 0.6 part of polyethylene glycol 200, and dispersing for 2.5min at a rotating speed of 1050r/min by using a disperser to obtain a mixture;
(7) adding the softwood fibers, and continuously dispersing for 4min at the rotating speed of 1050r/min by using a disperser to obtain slurry, wherein the absolute dry weight ratio of the mixture to the softwood fibers is 3: 7;
(8) dehydrating and forming the slurry on a sheet making machine to obtain base paper;
(9) dissolving 25 parts of polyethylene oxide in 60 parts of distilled water to obtain a polyethylene oxide solution;
(10) placing the base paper in a Buchner funnel, spraying the polyethylene oxide solution in a vacuum suction mode, taking out the base paper, placing the base paper in an oven, and drying the base paper at the temperature of 135 ℃ by hot air circulation to obtain the sound absorption control wet paper.
Example 3
The preparation method of the sound absorption control wet paper comprises the following steps of:
(1) taking goose feather and wool, respectively cleaning and drying;
(2) crushing goose feathers, sieving with a 200-mesh sieve, and crushing large particles again and sieving with the 200-mesh sieve;
(3) transferring to a low-temperature plasma processing device for plasma processing to obtain modified goose feather particles, wherein the power is 85W, the time is 4.5min, and the pressure is 31 Pa;
(4) crushing wool, sieving with a 230-mesh sieve, and crushing large particles again and sieving with the 230-mesh sieve;
(5) transferring the wool into a high-temperature type dyeing machine, and steaming at 110 ℃ for 2h to obtain modified wool particles, wherein the heating speed is 3.5 ℃/min;
(6) mixing 8.5 parts of modified goose feather particles, 1.5 parts of modified wool, 3 parts of glass fiber modified cellulose aerogel and 0.7 part of polyethylene glycol 200, and dispersing for 2.5min at the rotating speed of 1100r/min by using a disperser to obtain a mixture;
(7) adding the softwood fibers, and continuously dispersing for 4min at the rotating speed of 1100r/min by using a disperser to obtain slurry, wherein the absolute dry weight ratio of the mixture to the softwood fibers is 3: 7;
(8) dehydrating and forming the slurry on a sheet making machine to obtain base paper;
(9) dissolving 30 parts of polyethylene oxide in 70 parts of distilled water to obtain a polyethylene oxide solution;
(10) placing the base paper in a Buchner funnel, spraying the polyethylene oxide solution in a vacuum suction mode, taking out the base paper, placing the base paper in an oven, and drying the base paper at the temperature of 135 ℃ by hot air circulation to obtain the sound absorption control wet paper.
Example 4
(1) Taking goose feather and wool, respectively cleaning and drying;
(2) crushing goose feathers, sieving with a 200-mesh sieve, and crushing large particles again and sieving with the 200-mesh sieve;
(3) transferring to a low-temperature plasma processing device for plasma processing to obtain modified goose feather particles, wherein the power is 85W, the time is 4.5min, and the pressure is 31 Pa;
(4) crushing wool, sieving with a 230-mesh sieve, and crushing large particles again and sieving with the 230-mesh sieve;
(5) transferring the wool into a high-temperature type dyeing machine, and steaming at 115 ℃ for 2.5h to obtain modified wool particles, wherein the heating speed is 3.5 ℃/min;
(6) mixing 9 parts of modified goose feather particles, 1 part of 5 parts of modified wool, 4 parts of glass fiber modified cellulose aerogel and 0.9 part of polyethylene glycol 200, and dispersing for 2.5min at a rotating speed of 1150r/min by using a disperser to obtain a mixture;
(7) adding the softwood fibers, and continuously dispersing for 4min at the rotating speed of 1150r/min by using a disperser to obtain slurry, wherein the absolute dry weight ratio of the mixture to the softwood fibers is 3: 7;
(8) dehydrating and forming the slurry on a sheet making machine to obtain base paper;
(9) dissolving 35 parts of polyethylene oxide in 90 parts of distilled water to obtain a polyethylene oxide solution;
(10) placing the base paper in a Buchner funnel, spraying the polyethylene oxide solution in a vacuum suction mode, taking out the base paper, placing the base paper in an oven, and drying the base paper at the temperature of 135 ℃ by hot air circulation to obtain the sound absorption control wet paper.
Example 5
(1) Taking goose feather and wool, respectively cleaning and drying;
(2) crushing goose feathers, sieving with a 200-mesh sieve, and crushing large particles again and sieving with the 200-mesh sieve;
(3) transferring to a low-temperature plasma processing device for plasma processing to obtain modified goose feather particles, wherein the power is 90W, the time is 5min, and the pressure is 32 Pa;
(4) crushing wool, sieving with a 230-mesh sieve, and crushing large particles again and sieving with the 230-mesh sieve;
(5) transferring the wool into a high-temperature type dyeing machine, and steaming the wool for 3 hours at 120 ℃ to obtain modified wool particles, wherein the heating speed is 4 ℃/min;
(6) mixing 10 parts of modified goose feather particles, 2 parts of modified wool, 5 parts of glass fiber modified cellulose aerogel and 1 part of polyethylene glycol 200, and dispersing for 3min at a rotating speed of 1200r/min by using a disperser to obtain a mixture;
(7) adding the softwood fibers, and continuously dispersing for 5min at the rotating speed of 1200r/min by using a disperser to obtain slurry, wherein the absolute dry weight ratio of the mixture to the softwood fibers is 3: 7;
(8) dehydrating and forming the slurry on a sheet making machine to obtain base paper;
(9) dissolving 40 parts of polyethylene oxide in 100 parts of distilled water to obtain a polyethylene oxide solution;
(10) placing the base paper in a Buchner funnel, spraying the polyethylene oxide solution in a vacuum suction mode, taking out the base paper, placing the base paper in an oven, and drying the base paper at the temperature of 140 ℃ by hot air circulation to obtain the sound absorption control wet paper.
The sound absorption coefficient of the paper was tested using an AWA8551T type transfer function sound absorption coefficient test system.
TABLE 1 partial Performance index of acoustically absorbent Wet paper
Note: the thickness of the paper is 0.25mm
The material with the average sound absorption coefficient more than 0.2 is generally called sound absorption material, the material with the average sound absorption coefficient more than 0.56 is called high-efficiency sound absorption material, the average sound absorption coefficient of the sound absorption control wet paper of the invention in the frequency range of 300-6500Hz is more than 0.56, and the sound absorption control wet paper is a high-efficiency sound absorption material.
Claims (5)
1. A preparation method of sound absorption control wet paper is characterized by comprising the following steps: the components by weight portion comprise the following steps:
(1) taking goose feather and wool, respectively cleaning and drying;
(2) crushing goose feathers, sieving with a 200-mesh sieve, and crushing large particles again and sieving with the 200-mesh sieve;
(3) transferring into a low-temperature plasma treatment device for plasma treatment to obtain modified goose feather particles, wherein the power is 80-90W, the time is 4-5 min, and the pressure is 30-32 Pa;
(4) crushing wool, sieving with a 230-mesh sieve, and crushing large particles again and sieving with the 230-mesh sieve;
(5) transferring the wool into a high-temperature type dyeing machine, and carrying out steaming treatment for 1-3h at the temperature of 100-120 ℃ to obtain modified wool particles, wherein the heating speed is 3-4 ℃/min;
(6) mixing 7-10 parts of modified goose feather particles, 1-2 parts of modified wool, 2-5 parts of glass fiber modified cellulose aerogel and 0.5-1 part of polyethylene glycol 200, and dispersing for 2-3min at the rotation speed of 1000-;
(7) adding the softwood fibers, and continuously dispersing for 3-5min at the rotation speed of 1000-;
(8) dehydrating and forming the slurry on a sheet making machine to obtain base paper;
(9) dissolving 20-40 parts of polyethylene oxide in 50-100 parts of distilled water to obtain a polyethylene oxide solution;
(10) placing the base paper in a Buchner funnel, spraying a polyethylene oxide solution in a vacuum suction mode, taking out the base paper, placing the base paper in an oven, and drying the base paper by hot air circulation at the temperature of 130-.
2. The method for preparing wet paper having sound absorption controlling function according to claim 1, wherein: the preparation method of the glass fiber modified cellulose aerogel comprises the following steps:
the first step is as follows: mixing 15 parts of cottonseed shell powder and 100 parts of benzene-ethanol solution, extracting at 90 ℃ for 5 hours, and discarding the extract, wherein the volume ratio of benzene to ethanol is 2: 1;
the second step is that: adding 100 parts of ethanol aqueous solution, adjusting the pH value to 4 by using glacial acetic acid, stirring for 5h, heating to 85 ℃, dropwise adding NaOH solution to maintain the pH value of the reaction system to be 10.5, and stirring for 2 h;
the third step: cleaning with deionized water, adding deionized water to obtain 0.3% aqueous suspension, and grinding in a high-speed grinder at a grinding disc gap of-5 and rotation speed of 1500r/min for 15 min;
the fourth step: transferring to a high-pressure homogenizer, wherein the pressure of a first-stage homogenizing valve is 700bar, the pressure of a second-stage homogenizing valve is 100bar, and homogenizing time is 25min to obtain uniformly dispersed suspension;
the fifth step: adding 2 parts of glass fiber, and dispersing at 14000rpm for 10min at high speed;
and a sixth step: transferring into ultrasonic cell pulverizer, ultrasonic treating at 750W power for 10min, casting into culture dish, and freeze drying.
3. The method of making a sound absorbing and moisture controlling paper as claimed in claim 2, wherein: the length of the glass fiber is 30-50 μm, and the diameter is 10-20 μm.
4. The method for preparing wet paper having sound absorption controlling function according to claim 1, wherein: in the step (3), the power is 85W, the time is 4min, and the pressure is 31 Pa.
5. The method for preparing wet paper having sound absorption controlling function according to claim 1, wherein: the steam treatment time in the step (5) is 2 h.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1570273A (en) * | 2004-05-14 | 2005-01-26 | 王正顺 | Process for making special type paper by utilizing fowl feather |
| CN105713239A (en) * | 2016-01-29 | 2016-06-29 | 江苏时空涂料有限公司 | Preparation method of silicon dioxide and bamboo nanocellulose composite aerogel |
| CN105965988A (en) * | 2016-05-03 | 2016-09-28 | 杭州歌方新材料科技有限公司 | Insulation flame-retardation composite material and preparation method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1570273A (en) * | 2004-05-14 | 2005-01-26 | 王正顺 | Process for making special type paper by utilizing fowl feather |
| CN105713239A (en) * | 2016-01-29 | 2016-06-29 | 江苏时空涂料有限公司 | Preparation method of silicon dioxide and bamboo nanocellulose composite aerogel |
| CN105965988A (en) * | 2016-05-03 | 2016-09-28 | 杭州歌方新材料科技有限公司 | Insulation flame-retardation composite material and preparation method thereof |
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| Title |
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| 羊毛低温等离子体处理后的染色性能研究;朱若英等;《天津工业大学学报》;20020831;第21卷(第4期);第22-24、27页 * |
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