CN100591234C - Method for manufacturing insole with jute fiber - Google Patents
Method for manufacturing insole with jute fiber Download PDFInfo
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- CN100591234C CN100591234C CN200710178847A CN200710178847A CN100591234C CN 100591234 C CN100591234 C CN 100591234C CN 200710178847 A CN200710178847 A CN 200710178847A CN 200710178847 A CN200710178847 A CN 200710178847A CN 100591234 C CN100591234 C CN 100591234C
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- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
A method for manufacturing insoles by jute fibers comprises treating jute fibers with the complex enzyme de-gelatinizing, wherein, the complex enzyme de-gelatinizing treatment uses complex enzyme aqueous solution which is formulated by pectase and laccase to provide the de-gelatinizing treatment to jutes, adjusting the pH value of the complex enzyme aqueous solution to be more than or equal to 4.0but less than 5.0 when the complex enzyme de-gelatinizing treatment is carried out, elevating the temperature to 35 DEG C to 65 DEG C for 20-120 minutes, and then adjusting the pH value of the solution to be 7.5 to 9.5, keeping the temperature under 40 DEG C to 70 DEG C for 20-120 minutes, enzyme-devitalizating the jutes which are treated by the complex enzyme, mixing the de-gelatinized jute fibers with the chemical fibers, carding, net-spreading, and needling the mixed fibers, hot-pressing the needled mixed fibers and molding. The insole manufactured by the method of the invention is very comfortable when in use, and is not urticant in feeling when in use, good in bacteria repellency, not easily wormy, and strong in air permeability, hygroscopicity, and moisture character.
Description
Technical field
The present invention relates to a kind of shoe-pad making method, particularly relate to a kind of method by manufacturing insole with jute fiber.
Background technology
At present, the shoe-pad that people use always is normally made by cotton, chemical fibre or the waste material that spins cotton, fiber crops etc., gas permeability and hygroscopicity are poor, and moisture is not volatile again after the moisture absorption, easily making the user that moist sensation is arranged in use for some time, is not very comfortable, and easy breed bacteria or other microorganism, health to people is very unfavorable, and easily produces stink.The raw materials of chemical fibres are non-renewable in addition, and the feature of environmental protection is poor, the cost height.Because flaxen fiber has sucting wet air permeability, low static behaviour and good antibacterial characteristics preferably, the crudefiber crop goods more and more are subjected to people's favor.Existing crudefiber crop goods are meant that mainly flax, ramie raw materials or this type of raw material and other fiber make as composite fibre such as cotton, wool, chemical fibre, silks, but, make that the crudefiber crop goods do not have to be more widely used because flax, ramie price are higher.And jute is the second-biggest-in-the-world cellulose fibre that is only second to cotton, and it is cheap, and compares with flax, ramie and to have better hygroscopicity, and antibacterial ability is only second to hemp, has huge using value and potentiality to be exploited.But because the content of lignin higher (can reach 10-13%) in the jute; than high several times of flax; make tossa comparatively thick; firmly; not only make the weaving of tossa; acupuncture performance is relatively poor; and contact with human body when using; usually can make the people feel the overworked sense of spinosity; not very comfortable; needing when therefore using as daily necessitiess such as clothings as much as possible must be with the lignin Impurity removal in the jute; and use common Degumming method tossa is come unstuck; remove lignin and be difficult to obtain desirable effect; this has restricted the application of jute aspect daily necessities greatly, and tossa can only be used to make gunnysack at present; the product that added values such as the rope made of hemp are very low." Tianjin University of Technology's journal " August the 24th in 2005, cellulase studied in volume the 4th phase " enzyme is handled a tossa Effect on Performance " literary composition, hemicellulase, the influence that lignoenzyme and pectin depolymerase are handled tossa, what but this article was mainly studied is to utilize above-mentioned various enzyme separately tossa to be handled respectively, even the complex enzyme of wherein mentioning is handled, also only be to utilize laccase and hemicellulase compound with cellulase respectively, Chinese patent literature CN1232691C discloses the method that a kind of applying composite enzyme comes unstuck to jute, this method with the complex enzyme of pectase and laccase to the tossa processing of coming unstuck, but said method is desirable not enough to the removal of lignin impurity in the tossa, clearance only is about 76%, the content of lignin is still higher in the tossa of gained, when the goods of using this tossa contact with application on human skin, still can make the people that prodding and itching feeling is arranged, be not suitable for making the daily necessities that shoe-pad etc. and human body contact closely.
Summary of the invention
For this reason, technical problem to be solved by this invention is to provide a kind of method by manufacturing insole with jute fiber, the shoe-pad that utilizes this method to make, content of lignin is low, when contacting, not only make the people not have prodding and itching feeling, and have antibiotic preferably, anti-mite performance with application on human skin.
For solving the problems of the technologies described above, technical scheme provided by the present invention is: a kind of method of manufacturing insole with jute fiber may further comprise the steps:
1. tossa being carried out complex enzyme degumming handles; Wherein said complex enzyme degumming is handled and is meant that the complex enzyme aqueous solution that will be mixed with by pectase and laccase is to the jute processing of coming unstuck, carrying out adjusting described complex enzyme pH value of aqueous solution earlier more than or equal to 4.0 when described complex enzyme degumming is handled, and less than 5.0, and be warming up to 35 ℃-65 ℃, kept 20-120 minute, the pH value of adjusting solution then is 7.5-9.5, keeps 20-120 minute under 40 ℃-70 ℃ temperature, again the jute after handling through described complex enzyme is carried out enzyme deactivation and handles;
2. the tossa after will coming unstuck mixes with chemical fibre and to composite fibre combing, lapping, acupuncture;
3. the composite fibre after the acupuncture is hot-forming.
The 2. middle tossa of said method, described step is the 50-90% of composite fibre gross weight.
Said method, the described step enzyme deactivation in 1. is treated to the high temperature washing or regulates pH value and carry out enzyme deactivation and handle, perhaps both combinations, wherein carry out described high temperature when washing the temperature of water be more than 75 ℃; PH value when adjusting pH value is carried out the enzyme deactivation processing is more than 10.0 or less than 4.0.
Also carry out the step that synergy is banked up and handled before said method, the described step enzyme deactivation in is 1. handled, described synergy time of handling of banking up is 6-24 hour.
The weight ratio of pectase is 30-90% in said method, the described step complex enzyme in 1., and the weight ratio of described complex enzyme and jute is 0.5: 100-5: 100.
Said method, described the step 3. temperature of middle hot pressing are 160-200 ℃, and pressure is 1.5-2.5MPa.
Said method, described step 2. the road number of middle acupuncture are three roads.
Said method also is included in and carries out complex enzyme degumming and jute is carried out pretreated step before handling, and described preliminary treatment is one or more the combination in 30 ℃ to 100 ℃ water-baths, sulfuric acid or acetic acid acid bath or the hydrogen peroxide dippings.
Said method also is included in shoe-pad composite bed soaks sole through shoe-pad with the prevention sweat stain step simultaneously is set.
Said method also comprises after hot-forming and cutting out and the step of bound edge.
Compared with prior art, technical scheme of the present invention has the following advantages: (1) is at the characteristics and content (relative flax of pectin in the jute and lignin self, other crudefiber crop such as ramie, content of lignin is higher), the method of manufacturing insole with jute fiber of the present invention, utilize complex enzyme degumming that jute is come unstuck, remove lignin, chosen the technological parameter that is complementary, especially require at the activity of laccase that (laccase activity when the pH4.5 left and right sides is the highest, with the increase of pH value, the activity of laccase reduces gradually afterwards), the pH value of adjusting enzyme solutions is less than 5.0, and other each parameter is adjusted in cooperation, make laccase can bring into play the effect of best removal lignin, can remove pectin and lignin in the tossa effectively, its pectin clearance is about 90%, reach as high as 96%, lignin removing rate reaches more than 78%, reaches as high as 86%, has improved the acupuncture performance of tossa, and make that the shoe-pad that is made by tossa is very comfortable, do not have prodding and itching feeling when the people uses.(2) method of the present invention had been carried out preliminary treatment before to the jute complex enzyme degumming, jute has been played expanded preferably effect, to weaken the associating power between ultimate fibre, be more conducive to enzyme liquid and contact with the direct of flaxen fiber, can better remove pectin and lignin in the tossa; And the jute after complex enzyme is handled carries out the high temperature washing or regulates and carry out the synergy processing of banking up before pH value inactivation is handled, and has also effectively improved the pectin in the removal tossa and the effect of lignin.(3) weight content of tossa reaches 50-90% in the method for manufacturing insole with jute fiber of the present invention, the shoe-pad antibiotic property that makes is good, be difficult for infested, gas permeability, hygroscopicity and diffusing moist strong, can reach more than 95% to the oidiomycetic sterilizing rate of white, can reach about 90% to colibacillary sterilizing rate, sterilizing rate to golden yellow staphylococcus also can reach about 65%, has good bactericidal effect, scattering ratio to acarid on average can reach 75.00% simultaneously, has to drive the mite effect preferably.And jute is the second-biggest-in-the-world cellulose fibre that is only second to cotton, and it is cheap, and with respect to chemical fibre, tossa can be regenerated, and the feature of environmental protection is good.(4) one side that contacts with shoes at shoe-pad in the method for manufacturing insole with jute fiber of the present invention is provided with composite bed, on the one hand can be to prevent the shoe-pad distortion, can prevent that on the other hand sweat stain from seeing through shoe-pad and soaking sole, can utilize like this tossa preferably hygroscopicity fully absorb sweat, can not soak simultaneously sole again (because tossa is diffusing moist strong, therefore the jute shoe-pad that is soaked with sweat is very easy to dry), therefore can keep the interior drying of footwear, comfortable, and can increase elasticity, make that use is more comfortable.
The specific embodiment
Embodiment 1
To unpack by the jute that market is buied, be divided into the wisp one by one that is about about 0.5 kilogram; And carry out the water-bath preliminary treatment, and the temperature of water-bath is 65 ℃, temperature retention time is 2 hours; Pectase and laccase were mixed with complex enzyme by weight 3: 7, press with jute and got the complex enzyme that configures, and be diluted with water to 12 times of jute weight, jute is flooded with the complex enzyme aqueous solution after the dilution by weight 0.5: 100; The pH value of regulating dilution back solution with acetic acid and sodium bicarbonate is 4.4, is warming up to 35 ℃, keeps 20 minutes; PH value with the sodium bicarbonate regulator solution is 7.5 then, is warming up to 70 ℃, keeps 20 minutes; Then jute is taken out from solution and bank up carrying out the synergy processing of banking up, synergy time of handling of banking up is 24 hours; To carry out hot water with 80 ℃ hot water and clean through bank up jute after handling of synergy, to carry out the enzyme deactivation processing, promptly obtain come unstuck after tossa, the clearance of pectin and lignin is as shown in table 1 in the tossa after resulting the coming unstuck.
With the tossa after above-mentioned the coming unstuck in prior art clean, dehydration, oven dry back and polypropylene fibre by weight 1: 1 ratio mix, the process combing, lapping, hot-forming after the three road acupunctures, then, it is compound that composite bed is passed through glue or flame composite methods and hot-forming product, makes shoe-pad through cutting, bound edge again.Hot-forming temperature is 180 ℃ in the present embodiment, and pressure is 2MPa.The shoe-pad that the method for present embodiment makes is not yielding, and anti-mattress is good, be difficult for infested, gas permeability, hygroscopicity and loose moist strong, soft comfortable, stingless overworked sense when the people uses.And the one side that shoe-pad contacts with shoes is provided with composite bed, described composite bed can be chemical fiber layer, on the one hand can be to prevent the shoe-pad distortion, can prevent that on the other hand sweat stain from seeing through shoe-pad and soaking sole, can utilize like this tossa preferably hygroscopicity fully absorb sweat, can not soak simultaneously sole again (because tossa is diffusing moist strong, therefore the jute shoe-pad that is soaked with sweat is very easy to dry), therefore can keep the interior drying of footwear, comfortable, and can increase elasticity, make that use is more comfortable.This shoe-pad remove mite, the anti-microbial property experimental result is as shown in table 1.
Embodiment 2
To unpack by the jute that market is buied, be divided into the wisp one by one that is about about 0.5 kilogram; And carry out acid bath and water-bath preliminary treatment, and used acid is that concentration is the concentrated sulfuric acid more than 90%, and the temperature of water-bath is 30 ℃, and temperature retention time is 1 hour; Pectase and laccase were mixed with complex enzyme by weight 9: 1, press with jute and got the complex enzyme that configures, and be diluted with water to 40 times of jute weight, jute is flooded with the complex enzyme aqueous solution after the dilution by weight 5: 100; The pH value of regulating dilution back solution with acetic acid and sodium bicarbonate is 4.9, is warming up to 40 ℃, keeps 120 minutes; PH value with the sodium bicarbonate regulator solution is 9.5 then, is warming up to 55 ℃, keeps 40 minutes; Then jute is taken out from solution and bank up carrying out the synergy processing of banking up, synergy time of handling of banking up is 6 hours; To carry out hot water with 95 ℃ hot water and clean through bank up jute after handling of synergy, to carry out the enzyme deactivation processing, promptly obtain come unstuck after tossa, the clearance of pectin and lignin is as shown in table 1 in the tossa after resulting the coming unstuck.
With the tossa after above-mentioned the coming unstuck in prior art clean, dehydration, oven dry back and terylene by weight 8: 2 ratio mix, the process combing, lapping, hot-forming after the three road acupunctures, then, it is compound that composite bed is passed through glue or flame composite methods and hot-forming product, makes shoe-pad through cutting, bound edge again.Hot-forming temperature is 200 ℃ in the present embodiment, and pressure is 1.5MPa.The shoe-pad that the method for present embodiment makes is not yielding, and antibiotic property is good, is difficult for infestedly, and gas permeability, hygroscopicity and loose moist by force, soft comfortable do not have prodding and itching feeling when the people uses.And the one side that shoe-pad contacts with shoes is provided with composite bed, on the one hand can be to prevent the shoe-pad distortion, can prevent that on the other hand sweat stain from seeing through shoe-pad and soaking sole, can utilize like this tossa preferably hygroscopicity fully absorb sweat, can not soak simultaneously sole (because tossa is diffusing moist strong, the jute shoe-pad that therefore is soaked with sweat is very easy to dry) again, therefore can keep the interior drying of footwear, comfortable, and can increase elasticity, make that use is more comfortable.This shoe-pad remove mite, the anti-microbial property experimental result is as shown in table 1.
Embodiment 3
To unpack by the jute that market is buied, be divided into the wisp one by one that is about about 0.5 kilogram; And jute carried out the acid bath preliminary treatment, used acid is that concentration is the acetic acid more than 90%.Pectase and laccase were mixed with complex enzyme by weight 1: 1, press with jute and got the complex enzyme that configures, and be diluted with water to 15 times of jute weight, jute is flooded with the complex enzyme aqueous solution after the dilution by weight 1: 100; The pH value of regulating dilution back solution with acetic acid and sodium bicarbonate is 4.6, is warming up to 55 ℃, keeps 40 minutes; PH value with the sodium bicarbonate regulator solution is 8.5 then, is warming up to 50 ℃, keeps 50 minutes; Then jute being taken out from solution banks up carries out the synergy processing of banking up, and synergy time of handling of banking up is 10 hours; To carry out hot water with 85 ℃ hot water and clean through bank up jute after handling of synergy, to carry out the enzyme deactivation processing, promptly obtain come unstuck after tossa, the clearance of pectin and lignin is as shown in table 1 in the tossa after resulting the coming unstuck.
With the tossa after above-mentioned the coming unstuck in prior art clean, dehydration, oven dry back and polypropylene fibre by weight 9: 1 ratio mix, the process combing, lapping, hot-forming after the three road acupunctures, make shoe-pad.Hot-forming temperature is 160 ℃ in the present embodiment, and pressure is 2.5MPa.The shoe-pad that the method for present embodiment makes is not yielding, and antibiotic property is good, is difficult for infestedly, and gas permeability, hygroscopicity and loose moist by force, soft comfortable do not have prodding and itching feeling when the people uses.This shoe-pad remove mite, the anti-microbial property experimental result is as shown in table 1.
Embodiment 4
To unpack by the jute that market is buied, be divided into the wisp one by one that is about about 0.5 kilogram; And carry out the hydrogen peroxide dipping preliminary treatment, the concentration of used hydrogen peroxide is 5g/L; Pectase and laccase were mixed with complex enzyme by weight 3: 1, press with jute and got the complex enzyme that configures, and be diluted with water to 30 times of jute weight, jute is flooded with the complex enzyme aqueous solution after the dilution by weight 2: 100; The pH value of regulating dilution back solution with acetic acid and sodium bicarbonate is 4.8, is warming up to 50 ℃, keeps 50 minutes; PH value with the sodium bicarbonate regulator solution is 9.0 then, is warming up to 60 ℃ and keeps 90 minutes; Then jute being taken out from solution banks up carries out the synergy processing of banking up, and synergy time of handling of banking up is 15 hours; To carry out hot water with 90 ℃ hot water and clean through bank up jute after handling of synergy, to carry out the enzyme deactivation processing, promptly obtain come unstuck after tossa, the clearance of pectin and lignin is as shown in table 1 in the tossa after resulting the coming unstuck.
With the tossa after above-mentioned the coming unstuck in prior art clean, dehydration, oven dry back and polypropylene fibre by weight 7: 3 ratio mix, the process combing, lapping, hot-forming after the three road acupunctures, make shoe-pad.Hot-forming temperature is 190 ℃ in the present embodiment, and pressure is 1.8MPa.The shoe-pad that the method for present embodiment makes is not yielding, and antibiotic property is good, is difficult for infestedly, and gas permeability, hygroscopicity and loose moist by force, soft comfortable do not have prodding and itching feeling when the people uses.This shoe-pad remove mite, the anti-microbial property experimental result is as shown in table 1.
Embodiment 5
To unpack by the jute that market is buied, be divided into the wisp one by one that is about about 0.5 kilogram; And carry out the water-bath preliminary treatment, and the temperature of described water-bath is 100 ℃, temperature retention time is half an hour; Pectase and laccase were mixed with complex enzyme by weight 5: 1, press with jute and got the complex enzyme that configures, and be diluted with water to 20 times of jute weight, jute is flooded with the complex enzyme aqueous solution after the dilution by weight 3: 100; The pH value of regulating dilution back solution with acetic acid and sodium bicarbonate is 4.1, is warming up to 45 ℃, keeps 60 minutes; PH value with the sodium bicarbonate regulator solution is 8.5 then, is warming up to 40 ℃, keeps 70 minutes; Then jute being taken out from solution banks up carries out the synergy processing of banking up, and synergy time of handling of banking up is 20 hours; The jute that to bank up after handling through synergy is that 11.0 the aqueous solution cleans with pH value, to carry out the enzyme deactivation processing, promptly obtain come unstuck after tossa, the clearance of pectin and lignin is as shown in table 1 in the tossa after resulting the coming unstuck.Therefrom as can be seen, the effect of using technical scheme among this embodiment is one of optimum.
With the tossa after above-mentioned the coming unstuck in prior art clean, dehydration, oven dry back and terylene by weight 7: 3 ratio mix, the process combing, lapping, hot-forming after the three road acupunctures, make shoe-pad.Hot-forming temperature is 170 ℃ in the present embodiment, and pressure is 2.2MPa.The shoe-pad that the method for present embodiment makes is not yielding, and antibiotic property is good, is difficult for infestedly, and gas permeability, hygroscopicity and loose moist by force, soft comfortable do not have prodding and itching feeling when the people uses.This shoe-pad remove mite, the anti-microbial property experimental result is as shown in table 1.
Embodiment 6
To unpack by the jute that market is buied, be divided into the wisp one by one that is about about 0.5 kilogram; Pectase and laccase were mixed with complex enzyme by weight 4: 1, press with jute and got the complex enzyme that configures, and be diluted with water to 16 times of jute weight, jute is flooded with the complex enzyme aqueous solution after the dilution by weight 4: 100; The pH value of regulating dilution back solution with acetic acid and sodium bicarbonate is 4.2, is warming up to 50 ℃, keeps 70 minutes; PH value with the sodium bicarbonate regulator solution is 9.0 then, keeps 80 minutes at 45 ℃; Then jute being taken out from solution banks up carries out the synergy processing of banking up, and synergy time of handling of banking up is 12 hours; The jute that to bank up after handling through synergy is that 3.0 the aqueous solution cleans with pH value, to carry out the enzyme deactivation processing, promptly obtain come unstuck after tossa, the clearance of pectin and lignin is as shown in table 1 in the tossa after resulting the coming unstuck.Therefrom as can be seen, the effect of using technical scheme among this embodiment is one of optimum.
With the tossa after above-mentioned the coming unstuck in prior art clean, dehydration, oven dry back and polypropylene fibre by weight 6: 4 ratio mix, the process combing, lapping, hot-forming after the three road acupunctures, make shoe-pad.Hot-forming temperature is 190 ℃ in the present embodiment, and pressure is 1.8MPa.The shoe-pad that the method for present embodiment makes is not yielding, and antibiotic property is good, is difficult for infestedly, and gas permeability, hygroscopicity and loose moist by force, soft comfortable do not have prodding and itching feeling when the people uses.This shoe-pad remove mite, the anti-microbial property experimental result is as shown in table 1.
Embodiment 7
To unpack by the jute that market is buied, be divided into the wisp one by one that is about about 0.5 kilogram; Pectase and laccase were mixed with complex enzyme by weight 2: 3, press with jute and got the complex enzyme that configures, and be diluted with water to 13 times of jute weight, jute is flooded with the complex enzyme aqueous solution after the dilution by weight 1: 100; The pH value of regulating dilution back solution with acetic acid and sodium bicarbonate is 4.0, is warming up to 60 ℃, keeps 80 minutes; PH value with the sodium bicarbonate regulator solution is 8.0 then, is warming up to 65 ℃ and keeps 100 minutes; Then jute being taken out from solution banks up carries out the synergy processing of banking up, and synergy time of handling of banking up is 8 hours; To carry out hot water with 85 ℃ hot water and clean through bank up jute after handling of synergy, to carry out the enzyme deactivation processing, promptly obtain come unstuck after tossa, the clearance of pectin and lignin is as shown in table 1 in the tossa after resulting the coming unstuck.
With the tossa after above-mentioned the coming unstuck in prior art clean, dehydration, oven dry back and polypropylene fibre by weight 9: 1 ratio mix, the process combing, lapping, hot-forming after the three road acupunctures, make shoe-pad.Hot-forming temperature is 200 ℃ in the present embodiment, and pressure is 1.5MPa.The shoe-pad that the method for present embodiment makes is not yielding, and antibiotic property is good, be difficult for infested, gas permeability, hygroscopicity and loose moist strong, soft comfortable, stingless overworked sense when the people uses.This shoe-pad remove mite, the anti-microbial property experimental result is as shown in table 1.
Embodiment 8
To unpack by the jute that market is buied, be divided into the wisp one by one that is about about 0.5 kilogram; Pectase and laccase were mixed with complex enzyme by weight 3: 1, press with jute and got the complex enzyme that configures, and be diluted with water to 14 times of jute weight, jute is flooded with the complex enzyme aqueous solution after the dilution by weight 2: 100; The pH value of regulating dilution back solution with acetic acid and sodium bicarbonate is 4.5, is warming up to 65 ℃, keeps 90 minutes; PH value with the sodium bicarbonate regulator solution is 7.8 then, keeps 110 minutes at 40 ℃; Then jute is taken out from solution and with the pH value be 10.0, temperature is that 75 ℃ hot water cleans, handle to carry out enzyme deactivation, promptly obtain come unstuck after tossa, the clearance of pectin and lignin is as shown in table 1 in the tossa after resulting the coming unstuck.
With the tossa after above-mentioned the coming unstuck in prior art clean, dehydration, oven dry back and terylene by weight 1: 1 ratio mix, the process combing, lapping, hot-forming after the three road acupunctures, make shoe-pad.Hot-forming temperature is 160 ℃ in the present embodiment, and pressure is 2MPa.The shoe-pad that the method for present embodiment makes is not yielding, and antibiotic property is good, be difficult for infested, gas permeability, hygroscopicity and loose moist strong, soft comfortable, stingless overworked sense when the people uses.This shoe-pad remove mite, the anti-microbial property experimental result is as shown in table 1.Embodiment 9
To unpack by the jute that market is buied, be divided into the wisp one by one that is about about 0.5 kilogram; Pectase and laccase were mixed with complex enzyme by weight 2: 1, press with jute and got the complex enzyme that configures, and be diluted with water to 16 times of jute weight, jute is flooded with the complex enzyme aqueous solution after the dilution by weight 1: 100; The pH value of regulating dilution back solution with acetic acid and sodium bicarbonate is 4.3, is warming up to 45 ℃, keeps 100 minutes; PH value with the sodium bicarbonate regulator solution is 9.3 then, is warming up to 55 ℃ and keeps 120 minutes; Then jute is taken out from solution and with the pH value be 3.5, temperature is that 80 ℃ hot water cleans, handle to carry out enzyme deactivation, promptly obtain come unstuck after tossa, the clearance of pectin and lignin is as shown in table 1 in the tossa after resulting the coming unstuck.
With the tossa after above-mentioned the coming unstuck in prior art clean, dehydration, oven dry back and polypropylene fibre by weight 7: 3 ratio mix, the process combing, lapping, hot-forming after the three road acupunctures, make shoe-pad.Hot-forming temperature is 190 ℃ in the present embodiment, and pressure is 2.5MPa.The shoe-pad that the method for present embodiment makes is not yielding, and anti-mattress is good, is difficult for infestedly, and gas permeability, hygroscopicity and loose moist by force, soft comfortable do not have prodding and itching feeling when the people uses.This shoe-pad remove mite, the anti-microbial property experimental result is as shown in table 1.
Pectase and laccase used in the foregoing description are respectively pectase (Bioprep) and the laccase of being produced by Denmark Novozymes Company (Denilite).
Table 1 has provided among each embodiment the clearance of pectin and lignin in the tossa after resulting the coming unstuck, and the experimental result of removing mite, anti-microbial property of the shoe-pad that makes of each embodiment.
Table 1
The mite experiment of driving in the foregoing description is to carry out in Prevention ﹠ Control Station of Parasitic Disease, China Diseases Prevention ﹠ C, and concrete testing conditions and method are:
Testing conditions: 25 ± 1 ℃ of laboratory's temperature, relative humidity are 75 ± 2%
For trying insect: the sensitive strain acarid that adopts this to raise: dirt mite (Dermatophagoidesfarinae), female male imago.
Detection method: detect by No. [2003] 45, medicine inspection (give birth to survey) letter " mite of going out, drive mite test method and evaluation criterion ".
Get 7 little culture dish (diameter 6cm, high 1.5cm), wherein 1 is the center culture dish, and all the other 6 culture dishes are put around the center culture dish, and have place's culture dish wall to contact with the center culture dish, be placed on after 7 culture dishes are set its position is fixed.Place test sample and control sample, the area of test sample and culture dish floor space basically identical at interval in 6 culture dishes around.On test sample, respectively put acarid feed 0.05g.In the culture dish of center, put into 1000 of acarids, with be fixed on this cover experimental rig on the viscose glue cardboard put into one (30 * 20 * 5cm) cover porcelain dish, add saturated common salt solution the interior humidity of porcelain dish is remained on about 75%, (25 ℃ ± 1 ℃) was cultivated 24 hours in insulating box.Acarid in the feed is separated and collect with floatation.The acarid number on the mite shoe-pad prevented in record respectively, is calculated as follows the mite rate of driving:
Drive mite rate (%)=(1-test set acarid number/control group acarid number) * 100%
Anti-microbial property in the foregoing description is to carry out in Shanghai City Industry Wei Biological Research Institute inspection center, concrete detection method foundation: GB15979-2002.
Obviously, the foregoing description only is the example that provides for clearly illustrating, they are not to be limitation of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being extended out thus or change must fall into protection scope of the present invention.
Claims (6)
1, a kind of method of manufacturing insole with jute fiber is characterized in that, may further comprise the steps:
1. tossa being carried out complex enzyme degumming handles; Wherein said complex enzyme degumming is handled and is meant that the complex enzyme aqueous solution that will be mixed with by pectase and laccase is to the jute processing of coming unstuck, carrying out adjusting described complex enzyme pH value of aqueous solution earlier when described complex enzyme degumming is handled is 4.2, and be warming up to 50 ℃, kept 70 minutes, the pH value of adjusting solution then is 9.0, under 45 ℃ temperature, kept 80 minutes, again the jute after handling through described complex enzyme is carried out enzyme deactivation and handle;
2. the tossa after will coming unstuck and polypropylene fibre mix and to the composite fibre combing by weight 6: 4 ratio, lapping, and acupuncture, wherein, the road number of described acupuncture is three roads;
3. the composite fibre after the acupuncture is hot-forming, the temperature of described hot pressing is 190 ℃, and pressure is 1.8MPa.
2, method according to claim 1 is characterized in that: the enzyme deactivation of described step in 1. is treated to be regulated pH value and carries out enzyme deactivation and handle, and wherein regulating the pH value of pH value when carrying out the enzyme deactivation processing is 3.0.
3, method according to claim 1 and 2 is characterized in that: also carry out the step that synergy is banked up and handled before the enzyme deactivation of described step in 1. handled, described synergy time of handling of banking up is 12 hours.
4, method according to claim 1 and 2 is characterized in that: the percentage by weight of pectase is 80% in the complex enzyme of described step in 1., and the weight ratio of described complex enzyme and jute is 4: 100.
5, method according to claim 1 and 2 is characterized in that: also be included in shoe-pad composite bed soaks sole through shoe-pad with the prevention sweat stain step simultaneously is set.
6, method according to claim 1 and 2 is characterized in that: also comprise after hot-forming and cut out the also step of bound edge.
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| CA2700793A1 (en) * | 2007-09-27 | 2009-04-23 | Jiangsu Redbud Textile Technology Co., Ltd. | Method of using composite enzyme for degumming jute (2) |
| US8268127B2 (en) | 2007-09-27 | 2012-09-18 | Jiangsu Redbud Textile Technology Co., Ltd. | Method of degumming jute fibres with complex enzyme |
| WO2009049483A1 (en) * | 2007-09-27 | 2009-04-23 | Jiangsu Redbud Textile Technology Co., Ltd. | Method of using composite enzyme for degumming jute (1) |
| CN105500492B (en) * | 2015-12-02 | 2018-03-23 | 长兴吉尼雅家具有限公司 | A kind of compound deal board of modification for wardrobe purifying formaldehyde |
| CN107173914B (en) * | 2017-07-14 | 2020-06-02 | 盐城工业职业技术学院 | Shoe pad and preparation process thereof |
| CN112754105A (en) * | 2021-01-14 | 2021-05-07 | 尚立刚 | Sweat-absorbing breathable, deodorizing and bacteriostatic Chinese herbal medicine jute insole and preparation method thereof |
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