CN105603759A - Method for manufacturing bulk-nanofiber self-reinforced coring soft bag with high soil retention rate - Google Patents
Method for manufacturing bulk-nanofiber self-reinforced coring soft bag with high soil retention rate Download PDFInfo
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- CN105603759A CN105603759A CN201511017326.6A CN201511017326A CN105603759A CN 105603759 A CN105603759 A CN 105603759A CN 201511017326 A CN201511017326 A CN 201511017326A CN 105603759 A CN105603759 A CN 105603759A
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Classifications
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- 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
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/59—Polyamides; Polyimides
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D3/00—Woven fabrics characterised by their shape
- D03D3/02—Tubular fabrics
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
- D10B2331/021—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides aromatic polyamides, e.g. aramides
Abstract
The invention provides a method for manufacturing a bulk-nanofiber self-reinforced coring soft bag with high soil retention rate and relates to manufacturing methods of coring soft bags with high soil retention rate. The method is used for solving the problems of coring soft bags manufactured by the existing methods that the mechanical properties are low, the porosity is high and the soil retention rate is low. The method comprises the steps: (1) weaving a coring soft bag with the diameter of 16.5mm to 27mm and the length of 200mm to 2,500mm; (2) preparing a Kevlar nanofiber solution; (3) reinforcing the coring soft bag by adopting two methods. The bulk-nanofiber self-reinforced coring soft bag with high soil retention rate, manufactured by the method, has the advantages that the rupture strength is improved by 16% to 24%, and the soil retention rate is increased by 12.85% to 14%. The invention can achieve the method for manufacturing the bulk-nanofiber self-reinforced coring soft bag with high soil retention rate.
Description
Technical field
The present invention relates to a kind of manufacture method of getting the soft bag of core of high soil conservation rate.
Background technology
China Lunar Exploration Program enter comprehensively " around, fall, return " third phase of three-step-march development plan, plan before and after 2017Carry out No. five tasks of the goddess in the moon, realize the unmanned sampling automatically of lunar soil and return, core is drilled-got to the moon that realization is with historically new significance-return to experiment. In this experimentation, will there are very many technological difficulties, and wherein drilling through sampling and getting the structure of the soft bag of core and establishIt is key link wherein that meter, product are weaved with perfect in shape and function. Drilling through sampling gets the soft bag of core and need to effectively complete lunar soil sampleObtain and bedding maintenance work, lunar soil sample is wrapped in to get in core flexible pouch and to flexible pouch end and seals reliably,Ensure high core-taking rate, do not leak sample, do not fall sample, bedding conservation degree is high. Therefore getting the core that the Mission Success of the soft bag of core completes hasTwo: one, superpower mechanical property can be carried the put forward core power of mechanism to its rolling in core process of putting forward, and prevents from drilling through mechanismGet into stone and cannot continue the test degree of depth lunar soil drilling process is favorite, thereby and carry core mechanism still normal rolling cause rightThe original position of getting the soft bag of core continues to lift caused soft bag risk of breakage; The 2nd, get the soft bag of core and will realize maximum to lunar soil sampleParcel, reduce the spilling of lunar soil. Improve soil conservation rate.
Summary of the invention
The object of the invention is to solve the soft bag of core of getting prepared by existing method and exist mechanical property low, the high and soil conservation rate of porosityLow problem, and a kind of manufacture method of getting the soft bag of core of the high soil conservation rate by the self-reinforcing of body nanofiber is provided.
By a manufacture method of getting the soft bag of core for the high soil conservation rate of body nanofiber self-reinforcing, be to complete according to the following steps:
One, 80～300 fibrous warps are carried out to warping processing, then adopt loom plain weave to weave tubular flexible fabric,Neat cut-out and code limit again, obtaining diameter is 16.5mm～27mm, what length was 200mm～2500mm gets the soft bag of core;
Fibrous warps described in step 1 is a kind of in the Kevlar fiber at 50 dawn～1600 dawn or wherein several mixingFiber;
Loom described in step 1 is fly-shuttle loom, shuttleless loom or circular weaving machine;
Two, preparation Kevlar nanofiber solution: use nitrogen to purge 20min～30min to dry there-necked flask, then willDimethyl sulfoxide (DMSO), Kevlar fiber and potassium hydroxide join in dry there-necked flask, then low whipping speed isStirring reaction 3 days～10 days under the condition of 100r/min～1600r/min, obtains bolarious Kevlar nanofiber solution;
The quality of Kevlar fiber described in step 2 and the volume ratio of dimethyl sulfoxide (DMSO) are 1.5g:(300mL～500mL);
The quality of the potassium hydroxide described in step 2 and the volume ratio of dimethyl sulfoxide (DMSO) are 1.5g:(300mL～500mL);
Three, adopt two kinds of methods to strengthen getting the soft bag of core;
Method one: the soft bag of core of getting obtaining in step 1 is immersed in bolarious Kevlar nanofiber solution, thenUltrasonic power is ultrasonic processing 20min～60min under 50W～100W, gets the soft bag of core, re-uses distilled water and cleans 3Inferior～5 time, then be dry 24h at 100 DEG C in temperature, obtain the self-reinforcing of body nanofiber high soil conservation rate get the soft bag of core;
The quality of getting the soft bag of core described in step 3 method one and the volume ratio of bolarious Kevlar nanofiber solution are(2g～5g):100mL；
Method two: be placed on the filter membrane of Buchner funnel getting the soft bag of core, then by bolarious Kevlar nanofiber solution withThe flow velocity of 10mL/min～50mL/min is poured in Buchner funnel and carries out vacuum filtration, after suction filtration completes, re-uses deionizationWater rinses 3 times～5 times getting the soft bag of core, then be dry 24h at 100 DEG C in temperature, obtains the self-reinforcing of body nanofiberHigh soil conservation rate get the soft bag of core;
The quality of getting the soft bag of core described in step 3 method two and the volume ratio of bolarious Kevlar nanofiber solution are(2g～5g):100mL。
Advantage of the present invention:
The getting the soft bag of core and can well expire of the high soil conservation rate of the body nanofiber self-reinforcing that, prepared by the present inventionThe functional requirement of foot boring coring, and can improve reliability;
The fracture strength of getting the soft bag of core of the high soil conservation rate of the body nanofiber self-reinforcing that two, prepared by the present invention has improved16%～24%, soil conservation rate has improved 12.85%～14%;
Three, manufacturing process of the present invention is simple, easy to use, and performance-adjustable is strong, therefore, and body nanometer provided by the inventionThe soft bag of core of getting of the high soil conservation rate of fiber self-reinforcing has very high practical value.
The present invention can obtain a kind of manufacture method of getting the soft bag of core of the high soil conservation rate by the self-reinforcing of body nanofiber.
Detailed description of the invention
Detailed description of the invention one: present embodiment be a kind of high soil conservation rate by the self-reinforcing of body nanofiber get the soft bag of coreManufacture method completes according to the following steps:
One, 80～300 fibrous warps are carried out to warping processing, then adopt loom plain weave to weave tubular flexible fabric,Neat cut-out and code limit again, obtaining diameter is 16.5mm～27mm, what length was 200mm～2500mm gets the soft bag of core;
Fibrous warps described in step 1 is a kind of in the Kevlar fiber at 50 dawn～1600 dawn or wherein several mixingFiber;
Loom described in step 1 is fly-shuttle loom, shuttleless loom or circular weaving machine;
Two, preparation Kevlar nanofiber solution: use nitrogen to purge 20min～30min to dry there-necked flask, then willDimethyl sulfoxide (DMSO), Kevlar fiber and potassium hydroxide join in dry there-necked flask, then low whipping speed isStirring reaction 3 days～10 days under the condition of 100r/min～1600r/min, obtains bolarious Kevlar nanofiber solution;
The quality of Kevlar fiber described in step 2 and the volume ratio of dimethyl sulfoxide (DMSO) are 1.5g:(300mL～500mL);
The quality of the potassium hydroxide described in step 2 and the volume ratio of dimethyl sulfoxide (DMSO) are 1.5g:(300mL～500mL);
Three, adopt two kinds of methods to strengthen getting the soft bag of core;
Method one: the soft bag of core of getting obtaining in step 1 is immersed in bolarious Kevlar nanofiber solution, thenUltrasonic power is ultrasonic processing 20min～60min under 50W～100W, gets the soft bag of core, re-uses distilled water and cleans 3Inferior～5 time, then be dry 24h at 100 DEG C in temperature, obtain the self-reinforcing of body nanofiber high soil conservation rate get the soft bag of core;
The quality of getting the soft bag of core described in step 3 method one and the volume ratio of bolarious Kevlar nanofiber solution are(2g～5g):100mL；
Method two: be placed on the filter membrane of Buchner funnel getting the soft bag of core, then by bolarious Kevlar nanofiber solution withThe flow velocity of 10mL/min～50mL/min is poured in Buchner funnel and carries out vacuum filtration, after suction filtration completes, re-uses deionizationWater rinses 3 times～5 times getting the soft bag of core, then be dry 24h at 100 DEG C in temperature, obtains the self-reinforcing of body nanofiberHigh soil conservation rate get the soft bag of core;
The quality of getting the soft bag of core described in step 3 method two and the volume ratio of bolarious Kevlar nanofiber solution are(2g～5g):100mL。
The advantage of present embodiment:
The high soil conservation rate of the body nanofiber self-reinforcing that, prepared by present embodiment get the soft bag of core can be fineThe functional requirement that meets boring coring, and can improve reliability;
The fracture strength of getting the soft bag of core of the high soil conservation rate of the body nanofiber self-reinforcing that two, prepared by present embodiment has improved16%～24%, soil conservation rate has improved 12.85%～14%;
Three, present embodiment manufacturing process is simple, easy to use, and performance-adjustable is strong, and therefore, present embodiment providesThe soft bag of core of getting of the high soil conservation rate of body nanofiber self-reinforcing has very high practical value.
Present embodiment can obtain a kind of manufacture method of getting the soft bag of core of the high soil conservation rate by the self-reinforcing of body nanofiber.
Detailed description of the invention two: present embodiment and detailed description of the invention one difference are: in step 1 by 168 fiber warpsYarn carries out warping processing, then adopts loom plain weave to weave tubular flexible fabric, more neat cut-out and code limit, obtains diameter and is20.5mm, what length was 200mm gets the soft bag of core. Other steps are identical with detailed description of the invention one.
Detailed description of the invention three: one of present embodiment and detailed description of the invention one or two difference is: use nitrogen in step 2Gas purges 30min to dry there-necked flask, then dimethyl sulfoxide (DMSO), Kevlar fiber and potassium hydroxide are joined to dry threeIn mouthful bottle, then stirring reaction 7 days under the low whipping speed condition that is 800r/min, bolarious Kevlar nanometer fibre obtainedDimension solution. Other steps are identical with detailed description of the invention one or two.
Detailed description of the invention four: one of present embodiment and detailed description of the invention one to three difference is: described in step 2The quality of Kevlar fiber and the volume ratio of dimethyl sulfoxide (DMSO) are 1.5g:300mL. Other steps and detailed description of the invention one toThree is identical.
Detailed description of the invention five: one of present embodiment and detailed description of the invention one to four difference is: described in step 2The quality of Kevlar fiber and the volume ratio of dimethyl sulfoxide (DMSO) are 1.5g:500mL. Other steps and detailed description of the invention one toFour is identical.
Detailed description of the invention six: one of present embodiment and detailed description of the invention one to five difference is: described in step 2The quality of potassium hydroxide and the volume ratio of dimethyl sulfoxide (DMSO) are 1.5g:300mL. Other steps and detailed description of the invention one to fiveIdentical.
Detailed description of the invention seven: one of present embodiment and detailed description of the invention one to six difference is: described in step 2The quality of potassium hydroxide and the volume ratio of dimethyl sulfoxide (DMSO) are 1.5g:500mL. Other steps and detailed description of the invention one to sixIdentical.
Detailed description of the invention eight: one of present embodiment and detailed description of the invention one to seven difference is: in step 3 method oneThe described quality of getting the soft bag of core and the volume ratio of bolarious Kevlar nanofiber solution are 2g:100mL. Other stepsIdentical with detailed description of the invention one to seven.
Detailed description of the invention nine: one of present embodiment and detailed description of the invention one to eight difference is: in step 3 method oneThe described quality of getting the soft bag of core and the volume ratio of bolarious Kevlar nanofiber solution are 3g:100mL. Other stepsIdentical with detailed description of the invention one to eight.
Detailed description of the invention ten: one of present embodiment and detailed description of the invention one to nine difference is: in step 3 method twoThe described quality of getting the soft bag of core and the volume ratio of bolarious Kevlar nanofiber solution are 3g:100mL. Other stepsIdentical with detailed description of the invention one to nine.
Adopt following examples to verify beneficial effect of the present invention:
Embodiment mono-: a kind of manufacture method of getting the soft bag of core of the high soil conservation rate by the self-reinforcing of body nanofiber is by following stepSuddenly complete:
One, 168 fibrous warps are carried out to warping processing, then adopt loom plain weave to weave tubular flexible fabric, more neatCut off and code limit, obtaining diameter is 20.5mm, and what length was 200mm gets the soft bag of core;
Loom described in step 1 is fly-shuttle loom;
Fibrous warps described in step 1 is the Kevlar-49 aramid fiber at 130 dawn;
Two, preparation Kevlar nanofiber solution: use nitrogen to purge 30min to dry there-necked flask, then by dimethylSulfoxide, Kevlar fiber and potassium hydroxide join in dry there-necked flask, then the low whipping speed condition that is 800r/minLower stirring reaction 7 days, obtains bolarious Kevlar nanofiber solution;
Kevlar fiber described in step 2 is the Kevlar-49 aramid fiber at 130 dawn;
The quality of Kevlar fiber described in step 2 and the volume ratio of dimethyl sulfoxide (DMSO) are 1.5g:500mL;
The quality of the potassium hydroxide described in step 2 and the volume ratio of dimethyl sulfoxide (DMSO) are 1.5g:500mL;
Three, the soft bag of core of getting obtaining in step 1 is immersed in bolarious Kevlar nanofiber solution, then ultrasonicPower is ultrasonic processing 60min under 60W, gets the soft bag of core, re-uses distilled water and cleans 5 times, then be 100 DEG C in temperatureDry 24h down, obtain the self-reinforcing of body nanofiber high soil conservation rate get the soft bag of core;
The quality of getting the soft bag of core described in step 3 and the volume ratio of bolarious Kevlar nanofiber solution are2g:100mL。
To utilizing the soft bag of core of getting before and after body nanofiber solution-treated to carry out respectively fracture tensile strength and soil conservation rate mensuration.Result is as follows:
Fracture tensile strength test comparison: under normal temperature, with universal tensile testing machine, soft bag fracture strength is tested, testCondition is: exemplar length 100mm, load pretension 10N, and loading velocity 20mm/min, as shown in table 1.
Table 1
As known from Table 1, average fracture strength and the embodiment mono-that gets the soft bag of core after treatment obtaining in embodiment mono-step 3The average fracture strength of getting the soft bag of core before untreated in step 1 has improved 23.63%.
Soil conservation rate is measured: calculate according to core-taking rate 80%, we will get the soft bag of core and carry out simulative lunar soil filling, select granularityMinimum simulative lunar soil, i.e. the conduct of granularity < 0.01mm is filled lunar soil to investigate limiting case, measures the compactness of soft bag.In test process, will get the soft bag of core two ends and be fixed on electric machine support, and vibrate, frequency is 80Hz, and the time is 10min,Measure the quality of getting the soft bag of core before and after vibration, calculate its soil conservation rate, as shown in table 2;
Table 2
As known from Table 2, soil conservation rate and embodiment mono-step 1 of getting the soft bag of core after treatment obtaining in embodiment mono-step 3In get the soft bag of core before untreated soil conservation rate improved 13.46%.
Embodiment bis-: a kind of manufacture method of getting the soft bag of core of the high soil conservation rate by the self-reinforcing of body nanofiber is by following stepSuddenly complete:
One, 168 fibrous warps are carried out to warping processing, then adopt loom plain weave to weave tubular flexible fabric, more neatCut off and code limit, obtaining diameter is 20.5mm, and what length was 200mm gets the soft bag of core;
Loom described in step 1 is shuttleless loom;
Fibrous warps described in step 1 is the Kevlar-49 aramid fiber at 200 dawn;
Two, preparation Kevlar nanofiber solution: use nitrogen to purge 30min to dry there-necked flask, then by dimethylSulfoxide, Kevlar fiber and potassium hydroxide join in dry there-necked flask, then the low whipping speed condition that is 1200r/minLower stirring reaction 7 days, obtains bolarious Kevlar nanofiber solution;
Kevlar fiber described in step 2 is the Kevlar-49 aramid fiber at 200 dawn;
The quality of Kevlar fiber described in step 2 and the volume ratio of dimethyl sulfoxide (DMSO) are 1.5g:300mL;
The quality of the potassium hydroxide described in step 2 and the volume ratio of dimethyl sulfoxide (DMSO) are 1.5g:300mL;
Three, the soft bag of core of getting obtaining in step 1 is immersed in bolarious Kevlar nanofiber solution, then ultrasonicPower is ultrasonic processing 60min under 100W, gets the soft bag of core, re-uses distilled water and cleans 5 times, then be 100 DEG C in temperatureDry 24h down, obtain the self-reinforcing of body nanofiber high soil conservation rate get the soft bag of core;
The quality of getting the soft bag of core described in step 3 and the volume ratio of bolarious Kevlar nanofiber solution are3g:100mL。
To utilizing the soft bag of core of getting before and after body nanofiber solution-treated to carry out respectively fracture tensile strength and soil conservation rate mensuration.Result is as follows:
Fracture tensile strength test comparison: under normal temperature, with universal tensile testing machine, soft bag fracture strength is tested, testCondition is: exemplar length 100mm, load pretension 10N, and loading velocity 20mm/min, as table 3.
Table 3
As known from Table 3, average fracture strength and the embodiment bis-that gets the soft bag of core after treatment obtaining in embodiment bis-step 3The average fracture strength of getting the soft bag of core before untreated in step 1 has improved 16.24%.
Soil conservation rate is measured: calculate according to core-taking rate 80%, we will get the soft bag of core and carry out simulative lunar soil filling, select granularityMinimum simulative lunar soil, i.e. the conduct of granularity < 0.01mm is filled lunar soil to investigate limiting case, measures the compactness of soft bag.In test process, will get the soft bag of core two ends and be fixed on electric machine support, and vibrate, frequency is 80Hz, and the time is 10min,Measure the quality of getting the soft bag of core before and after vibration, calculate its soil conservation rate, as shown in table 4.
Table 4
As known from Table 4, soil conservation rate and embodiment bis-step 1 of getting the soft bag of core after treatment that obtain in embodiment bis-step 3In get the soft bag of core before untreated soil conservation rate improved 12.85%.
Claims (10)
1. by a manufacture method of getting the soft bag of core for the high soil conservation rate of body nanofiber self-reinforcing, it is characterized in that a kind of byThe manufacture method of getting the soft bag of core of the high soil conservation rate of body nanofiber self-reinforcing completes according to the following steps:
One, 80～300 fibrous warps are carried out to warping processing, then adopt loom plain weave to weave tubular flexible fabric,Neat cut-out and code limit again, obtaining diameter is 16.5mm～27mm, what length was 200mm～2500mm gets the soft bag of core;
Fibrous warps described in step 1 is a kind of in the Kevlar fiber at 50 dawn～1600 dawn or several mixing fibre whereinDimension;
Loom described in step 1 is fly-shuttle loom, shuttleless loom or circular weaving machine;
Two, preparation Kevlar nanofiber solution: use nitrogen to purge 20min～30min to dry there-necked flask, then by twoMethyl sulfoxide, Kevlar fiber and potassium hydroxide join in dry there-necked flask, then low whipping speed isStirring reaction 3 days～10 days under the condition of 100r/min～1600r/min, obtains bolarious Kevlar nanofiber solution;
The quality of Kevlar fiber described in step 2 and the volume ratio of dimethyl sulfoxide (DMSO) are 1.5g:(300mL～500mL);
The quality of the potassium hydroxide described in step 2 and the volume ratio of dimethyl sulfoxide (DMSO) are 1.5g:(300mL～500mL);
Three, adopt two kinds of methods to strengthen getting the soft bag of core;
Method one: the soft bag of core of getting obtaining in step 1 is immersed in bolarious Kevlar nanofiber solution, then superAcoustical power is ultrasonic processing 20min～60min under 50W～100W, gets the soft bag of core, re-uses distilled water and cleans 3 times～5Inferior, then be dry 24h at 100 DEG C in temperature, obtain the self-reinforcing of body nanofiber high soil conservation rate get the soft bag of core;
The quality of getting the soft bag of core described in step 3 method one and the volume ratio of bolarious Kevlar nanofiber solution are(2g～5g):100mL；
Method two: be placed on the filter membrane of Buchner funnel getting the soft bag of core, then by bolarious Kevlar nanofiber solution withThe flow velocity of 10mL/min～50mL/min is poured in Buchner funnel and carries out vacuum filtration, after suction filtration completes, re-uses deionized waterRinse 3 times～5 times getting the soft bag of core, then be dry 24h at 100 DEG C in temperature, obtain the height of body nanofiber self-reinforcingSoil conservation rate get the soft bag of core;
The quality of getting the soft bag of core described in step 3 method two and the volume ratio of bolarious Kevlar nanofiber solution are(2g～5g):100mL。
2. the manufacturer who gets the soft bag of core of a kind of high soil conservation rate by the self-reinforcing of body nanofiber according to claim 1Method, is characterized in that, in step 1,168 fibrous warps are carried out to warping processing, then adopts loom plain weave to weave tubular softProperty fabric, more neat cut-out and code limit, obtaining diameter is 20.5mm, what length was 200mm gets the soft bag of core.
3. the manufacturer who gets the soft bag of core of a kind of high soil conservation rate by the self-reinforcing of body nanofiber according to claim 1Method, is characterized in that using nitrogen to purge 30min to dry there-necked flask in step 2, then by dimethyl sulfoxide (DMSO), KevlarFiber and potassium hydroxide join in dry there-necked flask, then stirring reaction 7 days under the low whipping speed condition that is 800r/min,Obtain bolarious Kevlar nanofiber solution.
4. the manufacturer who gets the soft bag of core of a kind of high soil conservation rate by the self-reinforcing of body nanofiber according to claim 1Method, is characterized in that the quality of Kevlar fiber described in step 2 and the volume ratio of dimethyl sulfoxide (DMSO) are 1.5g:300mL.
5. the manufacturer who gets the soft bag of core of a kind of high soil conservation rate by the self-reinforcing of body nanofiber according to claim 1Method, is characterized in that the quality of Kevlar fiber described in step 2 and the volume ratio of dimethyl sulfoxide (DMSO) are 1.5g:500mL.
6. the manufacturer who gets the soft bag of core of a kind of high soil conservation rate by the self-reinforcing of body nanofiber according to claim 1Method, is characterized in that the quality of the potassium hydroxide described in step 2 and the volume ratio of dimethyl sulfoxide (DMSO) are 1.5g:300mL.
7. the manufacturer who gets the soft bag of core of a kind of high soil conservation rate by the self-reinforcing of body nanofiber according to claim 1Method, is characterized in that the quality of the potassium hydroxide described in step 2 and the volume ratio of dimethyl sulfoxide (DMSO) are 1.5g:500mL.
8. the manufacturer who gets the soft bag of core of a kind of high soil conservation rate by the self-reinforcing of body nanofiber according to claim 1Method, is characterized in that the quality of getting the soft bag of core described in step 3 method one and bolarious Kevlar nanofiber solutionVolume ratio is 2g:100mL.
9. the manufacturer who gets the soft bag of core of a kind of high soil conservation rate by the self-reinforcing of body nanofiber according to claim 1Method, is characterized in that the quality of getting the soft bag of core described in step 3 method one and bolarious Kevlar nanofiber solutionVolume ratio is 3g:100mL.
10. the manufacture of getting the soft bag of core of a kind of high soil conservation rate by the self-reinforcing of body nanofiber according to claim 1Method, is characterized in that quality and the bolarious Kevlar nanofiber solution of getting the soft bag of core described in step 3 method twoVolume ratio be 3g:100mL.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113445328A (en) * | 2021-07-13 | 2021-09-28 | 哈尔滨工业大学 | Preparation method of compact aramid fiber coring soft bag capable of preventing fine soil and water from escaping |
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