CN115491772A - Method for preparing degradable Jujun grass fiber material - Google Patents
Method for preparing degradable Jujun grass fiber material Download PDFInfo
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- CN115491772A CN115491772A CN202211315147.0A CN202211315147A CN115491772A CN 115491772 A CN115491772 A CN 115491772A CN 202211315147 A CN202211315147 A CN 202211315147A CN 115491772 A CN115491772 A CN 115491772A
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- 244000025254 Cannabis sativa Species 0.000 title claims abstract description 45
- 239000002657 fibrous material Substances 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000010411 cooking Methods 0.000 claims abstract description 73
- 239000000835 fiber Substances 0.000 claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000000428 dust Substances 0.000 claims abstract description 28
- 238000002791 soaking Methods 0.000 claims abstract description 23
- 239000012535 impurity Substances 0.000 claims abstract description 22
- 238000005406 washing Methods 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 241000209046 Pennisetum Species 0.000 claims abstract description 13
- 230000007935 neutral effect Effects 0.000 claims abstract description 11
- 238000012216 screening Methods 0.000 claims abstract description 11
- 238000001035 drying Methods 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 239000002253 acid Substances 0.000 claims abstract description 7
- 238000005520 cutting process Methods 0.000 claims abstract description 7
- 238000005096 rolling process Methods 0.000 claims abstract description 7
- 238000005336 cracking Methods 0.000 claims abstract description 6
- 238000004898 kneading Methods 0.000 claims abstract description 4
- 239000000243 solution Substances 0.000 claims description 40
- 238000002360 preparation method Methods 0.000 claims description 22
- 238000003756 stirring Methods 0.000 claims description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 15
- 239000004202 carbamide Substances 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 230000001502 supplementing effect Effects 0.000 claims description 11
- 239000007864 aqueous solution Substances 0.000 claims description 10
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 10
- 239000002351 wastewater Substances 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 6
- 238000002306 biochemical method Methods 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 235000010265 sodium sulphite Nutrition 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000005554 pickling Methods 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 10
- 235000017491 Bambusa tulda Nutrition 0.000 description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 10
- 241001330002 Bambuseae Species 0.000 description 9
- 239000011425 bamboo Substances 0.000 description 9
- 239000002994 raw material Substances 0.000 description 8
- 238000007654 immersion Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000209128 Bambusa Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009469 supplementation Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01C—CHEMICAL OR BIOLOGICAL TREATMENT OF NATURAL FILAMENTARY OR FIBROUS MATERIAL TO OBTAIN FILAMENTS OR FIBRES FOR SPINNING; CARBONISING RAGS TO RECOVER ANIMAL FIBRES
- D01C1/00—Treatment of vegetable material
- D01C1/02—Treatment of vegetable material by chemical methods to obtain bast fibres
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Molecular Biology (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Textile Engineering (AREA)
- Paper (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention discloses a method for preparing a degradable Jujun grass fiber material, which comprises the following steps: obtaining Jujun grass hay or fresh Jujun grass, mechanically cutting the Jujun grass hay into a grass section with the length of 15cm-25cm by using a machine, carrying out vibration screening and dust removal on the cut hay, removing impurities and dust attached to the hay, and rolling and cracking the hay for later use; preparing a soaking solution, soaking the prepared hay, taking out the hay after soaking for a period of time, washing the hay with clear water, and draining for later use; preparing a cooking liquid, adding the drained pennisetum hydridum in the step S2 into the cooking liquid, and cooking for 3-4 hours at the temperature of 95-100 ℃ and under normal pressure; acid washing the fiber obtained after cooking, measuring the pH value of the solution by using a pH meter or pH test paper until the pH value is neutral, kneading the fiber, rinsing the fiber by using clear water, heating the fiber to 40-50 ℃ after the fiber is kneaded to be completely dispersed, and soaking the fiber; and (4) drying the rinsed fiber under natural conditions or putting the fiber into a dryer for drying.
Description
Technical Field
The invention relates to the technical field of Jujun grass fiber materials, in particular to a method for manufacturing a degradable Jujun grass fiber material.
Background
At present, most textile fibers are prepared by extracting from bamboos, the production of the bamboo fibers basically adopts the procedures of cutting, slicing, green removing, yellow removing, cooking, rolling into bamboo tows and the like, the process of firstly forming the bamboo chips and then forming the bamboo fiber tows cannot be separated, the processing technology is laggard, the production efficiency is low, the function of processing equipment is single, and the waste of processing materials is serious. At present, the technology for preparing the bamboo fiber from the bamboo is in the starting stage, is not perfect, has low production efficiency, and has overhigh impurity content in the prepared bamboo fiber, so that the bamboo fiber can not be produced in a large scale.
The Jujun grass is a good raw material for preparing natural fiber, and the fiber material prepared from the Jujun grass has better air permeability, antibacterial property and radiation resistance than bamboo fiber.
According to the searched patent document with the publication number of CN106995939A, disclosed is a Megalobatrachus giganteus fibril chemically prepared by truncating Megalobatrachus giganteus, preparing a soaking solution to soak the Megalobatrachus giganteus fibril, taking out the soaked Megalobatrachus giganteus fibril, standing and cleaning the Megalobatrachus giganteus fibril, preparing a cooking solution to cook and stir the Megalobatrachus giganteus fibril, kneading, cleaning and airing the Megalobatrachus giganteus fibril to obtain the Megalobatrachus giganteus fibril with low impurity content. However, the Jujun grass raw material is adhered with dust and impurities when not used, and the Jujun grass raw material is not treated and directly soaked, so that the impurities and the dust are always adhered to the hay, the preparation of the fiber raw material is influenced, and the impurity content of the fiber material is high.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the method for manufacturing the degradable Jujun grass fiber material, wherein the chopped hay is subjected to vibration screening for dedusting, impurities and dust attached to the hay are removed, the influence of the impurities and dust on cooking liquor, namely the preparation of the fiber material, can be avoided, the fiber material prepared by the scheme has low impurity content, and the finally prepared fiber material is relatively pure.
In order to solve the technical problems, the invention provides the following technical scheme: the method for manufacturing the degradable Jujun grass fiber material comprises the following steps:
s1, obtaining giant-mycorrhizal hay or fresh giant-mycorrhizal hay, mechanically cutting the giant-mycorrhizal hay into a grass section with the length of 15cm-25cm by using a machine, performing vibration screening and dust removal on the cut hay, removing impurities and dust attached to the hay, and then rolling and cracking the hay for later use;
s2, preparing a wetting solution, soaking the prepared hay, taking out the hay after soaking for a period of time, washing the hay with clear water, and draining for later use;
s3, preparing a cooking solution, namely adding the drained pennisetum hydridum in the step S2 into the cooking solution, and cooking for 3-4 hours at the temperature of 95-100 ℃ under normal pressure;
s4, carrying out acid washing on the fiber obtained after cooking, measuring the pH value of the solution by using a pH meter or pH test paper until the pH value is neutral, kneading the fiber, rinsing the fiber by using clear water, heating the fiber to 40-50 ℃ after the fiber is kneaded to be completely dispersed, and soaking the fiber;
and S5, airing the rinsed fibers under natural conditions or putting the fibers into a dryer for drying.
As a preferred technical scheme of the invention, when the hay is soaked, a plastic plate is pressed above the hay, so that the hay is completely immersed in the soaking liquid.
As a preferable technical scheme of the present invention, the preparation method of the soaking solution comprises: dissolving urea in water, stirring uniformly at about 40 ℃ to obtain 1-3% by mass of urea aqueous solution, immersing the truncated hay sections in the urea aqueous solution for 3-5 hours, taking out the immersed hay sections, standing for 1-3 hours, and washing the hay sections with clear water for later use.
As a preferable technical scheme of the invention, the preparation method of the cooking liquor comprises the following steps: water in weight ratio: sodium hydroxide: sodium sulfite: washing powder =1000:9:12:3 preparing cooking liquor, and uniformly stirring; the weight ratio of the cooking liquor is as follows: grass =5: (1-1.5), adding drained grass into the cooking liquor, cooking for 3-4 hours at the normal temperature of 95-100 ℃ and stirring.
As a preferred technical scheme of the invention, in the cooking process, a proper amount of water is supplemented every 20-25 minutes, and the quantity of the supplemented water is the quantity lost after cooking, so that the volume of the cooking liquor after water supplementation is the same as that of the original cooking liquor.
As a preferable technical scheme of the invention, after the heating is stopped after the cooking is finished, the solution is alkaline and has black color, and the black ink solution is processed to be neutral by acid washing.
As a preferred technical scheme of the invention, after the clean fiber is rinsed by using clean water, the pH value of the solution is measured again by using a pH meter or a pH test paper, so that errors are prevented.
As a preferred technical scheme of the invention, after the Jujun grass fiber material is prepared, the production wastewater is treated by a biochemical method, and is discharged after indexes in the wastewater reach the standard.
Compared with the prior art, the invention can achieve the following beneficial effects:
in the invention, the preparation method of the soaking liquid and the preparation method of the cooking liquid refer to the preparation method and the raw materials described in the patent document with the publication number of CN106995939A, and on the basis of the above-mentioned patent publications, the truncated hay is subjected to vibration screening for dust removal to remove impurities and dust attached to the hay, so that the influence of the impurities and dust on the cooking liquid, namely the preparation of the fiber material, can be avoided.
Detailed Description
The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Other embodiments obtained by persons skilled in the art without making creative efforts based on the embodiments in the implementation belong to the protection scope of the invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.
Example one
The invention provides a method for preparing a degradable Jujun grass fiber material, which comprises the following steps:
obtaining Jujun grass hay or fresh Jujun grass, mechanically cutting the Jujun grass hay into grass sections with the length of 15cm by using a machine, performing vibration screening and dust removal on the cut hay, removing impurities and dust attached to the hay, and then rolling and cracking the hay for later use;
dissolving urea in water, stirring uniformly at about 40 ℃ to obtain 1-3% by mass of urea aqueous solution, immersing the truncated hay sections in the urea aqueous solution for 3-5 hours, pressing and covering a plastic plate above the hay when the hay is immersed, so that the hay is completely immersed in the immersion liquid, taking out the immersed hay sections, standing for 1-3 hours, washing the hay sections with clear water, and draining for later use;
preparing a cooking liquor, wherein the weight ratio of water: sodium hydroxide: sodium sulfite: washing powder =1000:9:12:3 preparing cooking liquor, and uniformly stirring; the weight ratio of the cooking liquor is as follows: grass =5: (1-1.5), adding drained pennisetum hydridum into the cooking liquor, cooking for 3-4 hours at the temperature of 100 ℃ at normal temperature, stirring, and supplementing a proper amount of water every 20-25 minutes in the cooking process, wherein the water supplementing amount is the amount lost after cooking, so that the volume of the cooking liquor after water supplementing is the same as the volume of the original cooking liquor;
after the heating is stopped after the cooking is finished, the solution is alkaline, the color of the solution is black, the black ink solution is processed to be neutral by acid washing, the pH value of the solution is measured by using a pH meter or a pH test paper until the pH value is neutral, the fiber is kneaded, rinsed by using clear water, the pH value of the solution is measured again by using the pH meter or the pH test paper, the error is prevented, and after the fiber is kneaded to be completely dispersed, the solution is heated to 40-50 ℃ for soaking;
drying the rinsed fiber in the air under natural conditions or drying the fiber in a dryer;
after the Jujun grass fiber material is manufactured, the production wastewater is treated by a biochemical method, and is discharged when each index in the wastewater reaches the standard;
in the invention, the preparation method of the soaking solution and the preparation method of the cooking solution refer to the preparation method and raw materials described in the patent document with the publication number of CN106995939A, and on the basis of the above-mentioned patent publications, the chopped hay is subjected to vibration screening for dust removal to remove impurities and dust attached to the hay, so that the influence of the impurities and dust on the cooking solution, namely the preparation of the fiber material, can be avoided.
Example two
The invention provides a method for preparing a degradable Jujun grass fiber material, which comprises the following steps:
obtaining Jujun grass hay or fresh Jujun grass, mechanically cutting the Jujun grass hay into grass sections with the length of 20cm by using a machine, performing vibration screening and dust removal on the cut hay, removing impurities and dust attached to the hay, and then rolling and cracking the hay for later use;
dissolving urea in water, stirring uniformly at about 40 ℃ to obtain 1-3% by mass of urea aqueous solution, immersing the truncated hay sections in the urea aqueous solution for 3-5 hours, pressing and covering a plastic plate above the hay when the hay is immersed, so that the hay is completely immersed in the immersion liquid, taking out the immersed hay sections, standing for 1-3 hours, washing the hay sections with clear water, and draining for later use;
preparing a cooking liquor, wherein the weight ratio of water: sodium hydroxide: sodium sulfite: washing powder =1000:9:12:3 preparing cooking liquor, and uniformly stirring; the weight ratio of the cooking liquor is as follows: grass =5: (1-1.5) adding drained pennisetum sinese roxb into the cooking liquid, cooking for 3-4 hours at the temperature of 100 ℃ at normal temperature, stirring, and supplementing proper water every 20-25 minutes in the cooking process, wherein the water supplementing amount is the amount lost after cooking, so that the volume of the cooking liquid after water supplementing is the same as the volume of the original cooking liquid;
after the heating is stopped after the cooking is finished, the solution is alkaline, the color of the solution is black, the black ink solution is processed to be neutral by acid washing, the pH value of the solution is measured by using a pH meter or a pH test paper until the pH value is neutral, the fiber is kneaded, rinsed by using clear water, the pH value of the solution is measured again by using the pH meter or the pH test paper, the error is prevented, and after the fiber is kneaded to be completely dispersed, the solution is heated to 40-50 ℃ for soaking;
drying the rinsed fiber in the air under natural conditions or drying the fiber in a dryer;
after the Jujun grass fiber material is manufactured, the production wastewater is treated by a biochemical method, and is discharged when each index in the wastewater reaches the standard;
in the invention, the preparation method of the soaking solution and the preparation method of the cooking solution refer to the preparation method and raw materials described in the patent document with the publication number of CN106995939A, and on the basis of the above-mentioned patent publications, the chopped hay is subjected to vibration screening for dust removal to remove impurities and dust attached to the hay, so that the influence of the impurities and dust on the cooking solution, namely the preparation of the fiber material, can be avoided.
EXAMPLE III
The invention provides a method for preparing a degradable Jujun grass fiber material, which comprises the following steps:
obtaining Jujun grass hay or fresh Jujun grass, mechanically cutting the Jujun grass hay into a grass section with the length of 25cm by using a machine, carrying out vibration screening and dust removal on the cut hay, removing impurities and dust attached to the hay, and then rolling and cracking the hay for later use;
dissolving urea in water, stirring uniformly at about 40 ℃ to obtain 1-3% by mass of urea aqueous solution, immersing the truncated hay sections in the urea aqueous solution for 3-5 hours, pressing and covering a plastic plate above the hay when the hay is immersed, so that the hay is completely immersed in the immersion liquid, taking out the immersed hay sections, standing for 1-3 hours, washing the hay sections with clear water, and draining for later use;
preparing a cooking liquor, wherein the weight ratio of water: sodium hydroxide: sodium sulfite: washing powder =1000:9:12:3 preparing cooking liquor, and uniformly stirring; the weight ratio of the cooking liquor is as follows: grass =5: (1-1.5), adding drained pennisetum hydridum into the cooking liquor, cooking for 3-4 hours at the temperature of 100 ℃ at normal temperature, stirring, and supplementing a proper amount of water every 20-25 minutes in the cooking process, wherein the water supplementing amount is the amount lost after cooking, so that the volume of the cooking liquor after water supplementing is the same as the volume of the original cooking liquor;
after the heating is stopped after the cooking is finished, the solution is alkaline, the color of the solution is black, the black ink solution is processed to be neutral by acid washing, the pH value of the solution is measured by using a pH meter or a pH test paper until the pH value is neutral, the fiber is kneaded, rinsed by using clear water, the pH value of the solution is measured again by using the pH meter or the pH test paper, the error is prevented, and after the fiber is kneaded to be completely dispersed, the solution is heated to 40-50 ℃ for soaking;
drying the rinsed fiber in the air under natural conditions or drying the fiber in a dryer;
after the Jujun grass fiber material is manufactured, the production wastewater is treated by a biochemical method, and is discharged when each index in the wastewater reaches the standard;
in the invention, the preparation method of the soaking liquid and the preparation method of the cooking liquid refer to the preparation method and the raw materials described in the patent document with the publication number of CN106995939A, and on the basis of the above-mentioned patent publications, the truncated hay is subjected to vibration screening for dust removal to remove impurities and dust attached to the hay, so that the influence of the impurities and dust on the cooking liquid, namely the preparation of the fiber material, can be avoided.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The method for preparing the degradable Jujun grass fiber material is characterized in that: the method comprises the following steps:
s1, obtaining giant-mycorrhizal hay or fresh giant-mycorrhizal hay, mechanically cutting the giant-mycorrhizal hay into a grass section with the length of 15cm-25cm by using a machine, performing vibration screening and dust removal on the cut hay, removing impurities and dust attached to the hay, and then rolling and cracking the hay for later use;
s2, preparing a soaking solution, soaking the prepared hay, taking out the hay after soaking for a period of time, cleaning the hay with clear water, and draining the hay for later use;
s3, preparing a cooking solution, namely adding the drained pennisetum hydridum in the step S2 into the cooking solution, and cooking for 3-4 hours at the temperature of 95-100 ℃ under normal pressure;
s4, pickling the fibers obtained after cooking until the pH value is neutral, kneading the fibers, rinsing the fibers with clear water, heating the fibers to 40-50 ℃ after the fibers are kneaded to be completely dispersed, and soaking the fibers;
and S5, airing the rinsed fibers under natural conditions or putting the fibers into a dryer for drying.
2. The method for preparing the degradable pennisetum hydridum fiber material according to claim 1, wherein the method comprises the following steps: in the step S2, when the hay is soaked, a plastic plate is pressed and covered above the hay, so that the hay is completely immersed in the soaking liquid.
3. The method for preparing the degradable pennisetum hydridum fiber material according to claim 1, wherein the method comprises the following steps: the preparation method of the soaking solution comprises the following steps: dissolving urea in water, stirring uniformly at about 40 ℃ to obtain 1-3% by mass of urea aqueous solution, immersing the truncated hay sections in the urea aqueous solution for 3-5 hours, taking out the immersed hay sections, standing for 1-3 hours, and washing the hay sections with clear water for later use.
4. The method for preparing the degradable pennisetum hydridum fiber material according to claim 1, wherein the method comprises the following steps: the preparation method of the cooking liquor comprises the following steps: water in weight ratio: sodium hydroxide: sodium sulfite: washing powder =1000:9:12:3 preparing cooking liquor, and uniformly stirring; the weight ratio of the cooking liquor is as follows: grass =5: (1-1.5), adding drained grass into the cooking liquor, cooking for 3-4 hours at the normal temperature of 95-100 ℃ and stirring.
5. The method for preparing the degradable pennisetum hydridum fiber material according to claim 4, wherein the method comprises the following steps: in the cooking process, a proper amount of water is supplemented every 20-25 minutes, and the water supplementing amount is the amount lost after cooking, so that the volume of the cooking liquid after water supplementing is the same as that of the original cooking liquid.
6. The method for preparing the degradable pennisetum hydridum fiber material according to claim 1, wherein the method comprises the following steps: in the step S4, after the cooking is finished and the heating is stopped, the solution is alkaline and is black, and the black solution is processed to be neutral by acid washing.
7. The method for preparing the degradable pennisetum hydridum fiber material according to claim 1, wherein the method comprises the following steps: in the step S4, after the fibers are rinsed clean by using clean water, the pH value of the fibers is tested again to prevent errors.
8. The method for preparing the degradable pennisetum hydridum fiber material according to claim 1, wherein the method comprises the following steps: after the Jujun grass fiber material is manufactured, the production wastewater is treated by a biochemical method and is discharged after each index in the wastewater reaches the standard.
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| CN202211315147.0A CN115491772A (en) | 2022-10-26 | 2022-10-26 | Method for preparing degradable Jujun grass fiber material |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101260629A (en) * | 2007-03-08 | 2008-09-10 | 汪官久 | Physical method ecological paper pulp production process |
| CN105019287A (en) * | 2015-07-13 | 2015-11-04 | 四川省西龙生物质材料科技有限公司 | Pulping method for obtaining high-performance fibers by using bamboo plants as raw materials |
| CN106958044A (en) * | 2017-03-16 | 2017-07-18 | 王晓翔 | The method that Juncao pulp fibres are produced using chemical method |
| CN106995939A (en) * | 2017-03-16 | 2017-08-01 | 王晓翔 | The method that Jujun grasses fibrillation is produced using chemical method |
-
2022
- 2022-10-26 CN CN202211315147.0A patent/CN115491772A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101260629A (en) * | 2007-03-08 | 2008-09-10 | 汪官久 | Physical method ecological paper pulp production process |
| CN105019287A (en) * | 2015-07-13 | 2015-11-04 | 四川省西龙生物质材料科技有限公司 | Pulping method for obtaining high-performance fibers by using bamboo plants as raw materials |
| CN106958044A (en) * | 2017-03-16 | 2017-07-18 | 王晓翔 | The method that Juncao pulp fibres are produced using chemical method |
| CN106995939A (en) * | 2017-03-16 | 2017-08-01 | 王晓翔 | The method that Jujun grasses fibrillation is produced using chemical method |
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