CN103132153A - Preparation method and application of antibacterial ramie fiber - Google Patents
Preparation method and application of antibacterial ramie fiber Download PDFInfo
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- CN103132153A CN103132153A CN2013100847140A CN201310084714A CN103132153A CN 103132153 A CN103132153 A CN 103132153A CN 2013100847140 A CN2013100847140 A CN 2013100847140A CN 201310084714 A CN201310084714 A CN 201310084714A CN 103132153 A CN103132153 A CN 103132153A
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Abstract
The invention relates to a method for preparing an antibacterial ramie fiber, as well as an application of the antibacterial ramie fiber on paper diapers and sanitary towels. The method for preparing the antibacterial ramie fiber comprises the following steps: soaking, degumming, performing acid and alkali treatment, cooking, washing, re-cooking, screening and the like. The preparation process is simple, and the cost is saved. The antibacterial ramie fiber is applied to the paper diapers and the sanitary towels, so that the strength and the tension of the inner cores of the paper diapers and the sanitary towels is greatly improved, and the problems of inner core deformation, breakage and the like in the using process are solved; and therefore, the physical performance indexes of the paper diapers, the sanitary towels and the like are greatly improved.
Description
Technical field
The present invention relates to daily living article field, particularly a kind of preparation method of ramie anti-bacterial fibre, and the application on paper diaper, sanitary napkin.
Background technology
Antiseptic has four large classes at present: inorganic antiseptic, organic antibacterial agent (chemistry), natural plants antiseptic and biological antibiosis agent.And in hygiene article sector, the antimicrobial technology of using at present is mainly inorganic and the organic anti-bacterial technology.But organic anti-bacterial is mainly that chemicals is antibiotic, and is very large to the side effect of ambient influnence and human body, water-wash resistance not, poor stability; In addition, inorganic antibacterial mainly uses the metal ion antimicrobial technology, as Nano Silver, zinc, copper ion etc., expends the energy during manufacturing more, moreover is scarce resource, gathers, process can cause in various degree pollution to environment.Therefore, be badly in need of a kind of antibacterial ability of development strong, to human body nonhazardous effect, and the free of contamination anti-biotic material of production process is used for solving the antibiotic difficult problem of hygiene article sector.
Ramie is China's special product, and ramie is the perennial root herbaceous plant, is described as " China's grass; middle national treasure " by the world, has antibacterial, ventilative, nice and cool, anticorrosion, mildew-resistant, the functions such as absorbing sweat, universally acknowledged " king of natural fabric " is important textile fabric crop, the active cavity structure characteristics that ramie is exclusive, its filament is long, so have superior gas permeability and conductivity of heat, suction is many and loose wet fast, has cooling feeling.Ramie contains the trace elements such as the pyridine of giving repeated exhortations, pyrimidine and purine simultaneously, and Escherichia coli, staphylococcus aureus, Pseudomonas aeruginosa are played inhibition, has natural bacteriostatic, anti-mite, deodorant function.Ramie has the superfine hollow structure, has powerful adsorption capacity.Therefore, ramie is the desirable anti-biotic material as amenities inner cores such as sanitary napkin, paper diaper.At present, yet there are no the report that utilizes ramee to make the amenities of sanitary napkin, paper diaper etc. on market, need in people's life a kind of take ramie as raw-material, have antibiotic property and gas permeability, loose moist strong a, personal hygiene article that anticorrosive mildewproof is effective.
Summary of the invention
The preparation method who the purpose of this invention is to provide a kind of ramie anti-bacterial fibre, and the application on paper diaper, sanitary napkin.With the inner core material of ramie anti-bacterial fibre of the present invention as amenitiess such as paper diaper, sanitary napkins, its antibiotic property, gas permeability, loose moist strong are a kind of anticorrosion, anti-biotic materials that anti-mold effect is splendid.
Above-mentioned purpose of the present invention will further describe and embody by following detailed description.
A kind of preparation method of ramie anti-bacterial fibre comprises the following steps:
1) soak: ramie peel is placed in enzyme liquid soaked 6 ~ 8 hours, the ramie peel after being soaked;
2) come unstuck: the ramie peel after described immersion is carried out degumming process, the ramie peel after being come unstuck;
3) soda acid is processed: with the ramie peel after described coming unstuck, be placed in distilled water and soaked 30 minutes, obtain immersion liquid, measure the pH value of described immersion liquid, process under 5.0 ~ 8.5 conditions in the pH value to without going mouldy smell, obtain the crushed material after soda acid is processed;
4) boiling: cooking additive, sodium phosphate trimer and the distilled water of volume ratio 1:2:2 are mixed, obtain mixed liquor, crushed material after described soda acid is processed is placed in described mixed liquor, and temperature is 80 ~ 100 ℃ of lower boiling-offs 30 ~ 90 minutes, obtains the crushed material after boiling;
5) washing: wash the crushed material after described boiling;
6) boiling again, washing again: repeatedly repeat above-mentioned steps 4,5, obtain as-spun fibre;
7) screening: cut after more slightly picking according to fiber, the satisfactory length requirement in accordance with regulations of fibre fineness is cut, oven dry packing at last;
Namely obtain described ramie anti-bacterial fibre.
Further, described enzyme liquid is that enzyme activity is a kind of in the alkaline pectase, hemicellulase of 10 ~ 10000 U/ml or both mixtures.
The objective of the invention is to realize by following another technical scheme:
A kind of preparation method of ramie anti-bacterial fibre paper diaper comprises the following steps:
A. prepare the ramie anti-bacterial fibre:
1) soak: ramie peel is placed in enzyme liquid soaked 6 ~ 8 hours, the ramie peel after being soaked;
2) come unstuck: the ramie peel after described immersion is carried out degumming process, the ramie peel after being come unstuck;
3) soda acid is processed: with the ramie peel after described coming unstuck, be placed in distilled water and soaked 30 minutes, obtain immersion liquid, measure the pH value of described immersion liquid, process under 5.0 ~ 8.5 conditions in the pH value to without going mouldy smell, obtain the crushed material after soda acid is processed;
4) boiling: cooking additive, sodium phosphate trimer and the distilled water of volume ratio 1:2:2 are mixed, obtain mixed liquor, crushed material after described soda acid is processed is placed in described mixed liquor, and temperature is 80 ~ 100 ℃ of lower boiling-offs 30 ~ 90 minutes, obtains the crushed material after boiling;
5) washing: wash the crushed material after described boiling;
6) boiling again, washing again: repeatedly repeat above-mentioned steps 4,5, obtain as-spun fibre;
7) screening: cut after more slightly picking according to fiber, the satisfactory length requirement in accordance with regulations of fibre fineness is cut, oven dry packing at last;
Namely obtain described ramie anti-bacterial fibre;
B. prepare antibiotic core body:
1) wood pulp is placed in pulverizer and pulverizes, obtain the wood pulp crushed material;
2) described ramie anti-bacterial fibre is placed in the hot blast machine that scatters, by hot blast, described ramie anti-bacterial fibre is scattered, form random mesh-like ramie anti-bacterial fibre;
3) with described random mesh-like ramie anti-bacterial fibre and wood pulp crushed material, be placed in simultaneously in the inner core assembly drum, fully mix, namely make described antibiotic core body;
C. add macromolecular material:
1) add macromolecular material: absorbent particle is sprayed at described antibiotic core body upper surface equably, then covers one deck toilet paper thereon, obtained adding the core body of water-absorption particle;
2) with the described core forming compacting of having added water-absorption particle, cut, and spray structure glue obtains cutting core body;
D. cover base film material and antibacterial nonwoven cloth made: transmit upset through equipment, make the described core body upper and lower surface of cutting adhere to respectively antibacterial nonwoven cloth made and base film material, and compacting is bonding, obtains paper diaper to be formed;
E. moulding: described paper diaper to be formed paste by compacting recessed road moulding, bonding rubber band, waist and waist pastes double faced adhesive tape, carry out week envelope typing, circumscribed moulding;
Namely make described ramie anti-bacterial fibre paper diaper.
Further, described macromolecular material is absorbent particle.
Further, described antibacterial nonwoven cloth made is the ramie antibacterial nonwoven cloth made.
Further, the ratio of quality and the number of copies of described random mesh-like ramie anti-bacterial fibre and wood pulp crushed material is 3 ~ 4:6 ~ 7.
The objective of the invention is to realize by following another technical scheme:
A kind of preparation method of ramie anti-bacterial fibre sanitary napkin comprises the following steps:
A. prepare the ramie anti-bacterial fibre:
1) soak: ramie peel is placed in enzyme liquid soaked 6 ~ 8 hours, the ramie peel after being soaked;
2) come unstuck: the ramie peel after described immersion is carried out degumming process, the ramie peel after being come unstuck;
3) soda acid is processed: with the ramie peel after described coming unstuck, be placed in distilled water and soaked 30 minutes, obtain immersion liquid, measure the pH value of described immersion liquid, process under 5.0 ~ 8.5 conditions in the pH value to without going mouldy smell, obtain the crushed material after soda acid is processed;
4) boiling: cooking additive, sodium phosphate trimer and the distilled water of volume ratio 1:2:2 are mixed, obtain mixed liquor, crushed material after described soda acid is processed is placed in described mixed liquor, and temperature is 80 ~ 100 ℃ of lower boiling-offs 30 ~ 90 minutes, obtains the crushed material after boiling;
5) washing: wash the crushed material after described boiling;
6) boiling again, washing again: repeatedly repeat above-mentioned steps 4,5, obtain as-spun fibre;
7) screening: cut after more slightly picking according to fiber, the satisfactory length requirement in accordance with regulations of fibre fineness is cut, oven dry packing at last;
Namely obtain described ramie anti-bacterial fibre;
B. prepare antibiotic core body:
1) wood pulp is placed in pulverizer and pulverizes, obtain the wood pulp crushed material;
2) described ramie anti-bacterial fibre is placed in the hot blast machine that scatters, by hot blast, described ramie anti-bacterial fibre is scattered, form random mesh-like ramie anti-bacterial fibre;
3) with described random mesh-like ramie anti-bacterial fibre and wood pulp crushed material, be placed in simultaneously in the inner core assembly drum, fully mix, namely make described antibiotic core body;
C. add macromolecular material:
1) add macromolecular material: absorbent particle is sprayed at described antibiotic core body upper surface equably, then covers one deck toilet paper thereon, obtained adding the core body of water-absorption particle;
2) with the described core forming compacting of having added water-absorption particle, cut, and spray structure glue obtains cutting core body;
D. cover base film material and antibacterial nonwoven cloth made: transmit upset through equipment, make the described core body upper and lower surface of cutting adhere to respectively antibacterial nonwoven cloth made and base film material, and compacting is bonding, obtains sanitary napkin to be formed;
E. moulding: described sanitary napkin to be formed carries out week envelope typing, circumscribed moulding by compacting recessed road moulding, bonding release liners, Double-face adhesive;
Namely make described ramie anti-bacterial fibre sanitary napkin.
Further, described macromolecular material is absorbent particle.
Further, described antibacterial nonwoven cloth made is the ramie antibacterial nonwoven cloth made.
Further, the ratio of quality and the number of copies of described random mesh-like ramie anti-bacterial fibre and wood pulp crushed material is 3 ~ 4:6 ~ 7.
The present invention's beneficial effect compared to existing technology is:
1, ramie has active cavity structure, has superior gas permeability and conductivity of heat, and suction is many and loose wet fast, has cooling feeling, therefore utilizes the amenitiess such as paper diaper, sanitary napkin of ramee preparation to have powerful adsorption capacity;
2, because ramie contains the trace elements such as the pyridine of giving repeated exhortations, pyrimidine and purine, so can play inhibition to Escherichia coli, staphylococcus aureus and Pseudomonas aeruginosa, have natural bacteriostatic, anti-mite, deodorant function;
3, ramee and cotton fiber compare, and ramie is slimmer and more graceful, and brute force is easy fracture very much not, is the optimal selection as amenities inner cores such as paper diaper, sanitary napkins; Ramie directly contacts skin and has prodding and itching feeling simultaneously, therefore be not suitable for as the paper diaper surfacing, but not only antibiotic as paper diaper inner core material ramee, and can greatly improve paper diaper, sanitary napkin inner core intensity, increase pulling force, prevent the problems such as inner core distortion, fracture in use, the rationality of paper diaper thing, sanitary napkin etc. can index be improved a lot;
4, ramee has natural, environmental protection, degradable feature, utilizes its to make anti-biotic material, can greatly reduce costs, and realize the low-carbon economy circulation, and the to save timber resource has also been played very important effect, can save 30 ~ 40% timber resources;
5, the present invention has adopted the ramie antibacterial nonwoven cloth made, because ramee is natural fabric, uses safety natural, and antibacterial functions is constant, when therefore having realized that paper diaper, sanitary napkin etc. contact with human body, and safe Shu Yi;
6, the present invention combines inorganic antibacterial with natural antibacterial, use has reached top layer and the two antibiotic effects of inner core on paper diaper, effectively prevented growing and surviving of various bacteriums, pathogenic bacteria, in use grow in a large number, multiply because ight soil, urine are of value to bacterium in the environment of human body temperature, humidity, nutrition reducing paper diaper, and the paper diaper secondary pollution that causes is to the injury of human body, reduced the incidence of diaper rash, bedsore;
7, the present invention combines inorganic antibacterial with natural antibacterial, use has reached top layer and the two antibiotic effects of inner core on sanitary napkin, effectively prevented growing and surviving of various bacteriums, pathogenic bacteria, the minimizing sanitary napkin in use is of value to bacterium in the environment of human body temperature, humidity, nutrition grow in a large number, multiply because of menses, and the sanitary napkin secondary pollution that causes has reduced the incidence of gynecological disease to the injury of human body.
The specific embodiment
Embodiment 1
A kind of preparation method of ramie anti-bacterial fibre comprises the following steps:
1) soak: ramie peel is placed in enzyme liquid soaked 6 ~ 8 hours, the ramie peel after being soaked;
2) come unstuck: the ramie peel after described immersion is carried out degumming process, the ramie peel after being come unstuck;
3) soda acid is processed: with the ramie peel after described coming unstuck, be placed in distilled water and soaked 30 minutes, obtain immersion liquid, measure the pH value of described immersion liquid, process under 5.0 ~ 8.5 conditions in the pH value to without going mouldy smell, obtain the crushed material after soda acid is processed;
4) boiling: cooking additive, sodium phosphate trimer and the distilled water of volume ratio 1:2:2 are mixed, obtain mixed liquor, crushed material after described soda acid is processed is placed in described mixed liquor, and temperature is 80 ~ 100 ℃ of lower boiling-offs 30 ~ 90 minutes, obtains the crushed material after boiling;
5) washing: wash the crushed material after described boiling;
6) boiling again, washing again: repeatedly repeat above-mentioned steps 4,5, obtain as-spun fibre;
7) screening: cut after more slightly picking according to fiber, the satisfactory length requirement in accordance with regulations of fibre fineness is cut, oven dry packing at last;
Namely obtain described ramie anti-bacterial fibre.
Enzyme liquid described in the present embodiment is that enzyme activity is a kind of in the alkaline pectase, hemicellulase of 10 ~ 10000 U/ml or both mixtures; Described cooking additive is the mixture of phosphoric acid and disodium ethylene diamine tetraacetate.
The present embodiment unit of weight used is kilogram, also can be gram.
Each raw material described in the present embodiment is technical grade.
Each raw material described in the present embodiment is the conventional products of selling on market, and the equipment that adopts in the preparation method of the present embodiment also is the conventional products of selling on market.
In order to detect the antibacterial effect of described ramie anti-bacterial fibre, according to the concussion detection method in GB15979-2002 " disposable use amenities sanitary standard appendix C 4 " standard, detected the anti-microbial property of the ramie anti-bacterial fibre described in the present embodiment, its antibiotic rate reaches more than 90%.
Embodiment 2
The present embodiment is the improvement of carrying out on the basis of embodiment 1, the part identical with embodiment 1 in the present embodiment, please refer in embodiment 1 disclosed content and understand, the disclosed content of embodiment 1 should as the content of the present embodiment, not be repeated in this description herein yet.
The present embodiment is the application of the described ramie anti-bacterial fibre of a kind of embodiment 1, and described ramie anti-bacterial fibre can be used for making the paper diaper inner core, and the preparation method of described ramie anti-bacterial fibre paper diaper comprises the following steps:
A. prepare the ramie anti-bacterial fibre:
1) soak: ramie peel is placed in enzyme liquid soaked 6 ~ 8 hours, the ramie peel after being soaked;
2) come unstuck: the ramie peel after described immersion is carried out degumming process, the ramie peel after being come unstuck;
3) soda acid is processed: with the ramie peel after described coming unstuck, be placed in distilled water and soaked 30 minutes, obtain immersion liquid, measure the pH value of described immersion liquid, process under 5.0 ~ 8.5 conditions in the pH value to without going mouldy smell, obtain the crushed material after soda acid is processed;
4) boiling: cooking additive, sodium phosphate trimer and the distilled water of volume ratio 1:2:2 are mixed, obtain mixed liquor, crushed material after described soda acid is processed is placed in described mixed liquor, and temperature is 80 ~ 100 ℃ of lower boiling-offs 30 ~ 90 minutes, obtains the crushed material after boiling;
5) washing: wash the crushed material after described boiling;
6) boiling again, washing again: repeatedly repeat above-mentioned steps 4,5, obtain as-spun fibre;
7) screening: cut after more slightly picking according to fiber, the satisfactory length requirement in accordance with regulations of fibre fineness is cut, oven dry packing at last;
Namely obtain described ramie anti-bacterial fibre;
B. prepare antibiotic core body:
1) wood pulp is placed in pulverizer and pulverizes, obtain the wood pulp crushed material;
2) described ramie anti-bacterial fibre is placed in the hot blast machine that scatters, by hot blast, described ramie anti-bacterial fibre is scattered, form random mesh-like ramie anti-bacterial fibre;
3) with described random mesh-like ramie anti-bacterial fibre and wood pulp crushed material, be placed in simultaneously in the inner core assembly drum, fully mix, namely make described antibiotic core body;
C. add macromolecular material:
1) add macromolecular material: absorbent particle is sprayed at described antibiotic core body upper surface equably, then covers one deck toilet paper thereon, obtained adding the core body of water-absorption particle;
2) with the described core forming compacting of having added water-absorption particle, cut, and spray structure glue obtains cutting core body;
D. cover base film material and antibacterial nonwoven cloth made: transmit upset through equipment, make the described core body upper and lower surface of cutting adhere to respectively antibacterial nonwoven cloth made and base film material, and compacting is bonding, obtains paper diaper to be formed;
E. moulding: described paper diaper to be formed paste by compacting recessed road moulding, bonding rubber band, waist and waist pastes double faced adhesive tape, carry out week envelope typing, circumscribed moulding;
Namely make described ramie anti-bacterial fibre paper diaper.
Further, described macromolecular material is absorbent particle.
Further, described antibacterial nonwoven cloth made is the ramie antibacterial nonwoven cloth made.
Further, the ratio of quality and the number of copies of described random mesh-like ramie anti-bacterial fibre and wood pulp crushed material is 3:7.
Embodiment 3
The present embodiment is the improvement of carrying out on the basis of embodiment 1, the part identical with embodiment 1 in the present embodiment, please refer in embodiment 1 disclosed content and understand, the disclosed content of embodiment 1 should as the content of the present embodiment, not be repeated in this description herein yet.
The present embodiment is the application of the described ramie anti-bacterial fibre of a kind of embodiment 1, and described ramie anti-bacterial fibre can be used for making the sanitary napkin inner core, and the preparation method of described ramie anti-bacterial fibre sanitary napkin comprises the following steps:
A. prepare the ramie anti-bacterial fibre:
1) soak: ramie peel is placed in enzyme liquid soaked 6 ~ 8 hours, the ramie peel after being soaked;
2) come unstuck: the ramie peel after described immersion is carried out degumming process, the ramie peel after being come unstuck;
3) soda acid is processed: with the ramie peel after described coming unstuck, be placed in distilled water and soaked 30 minutes, obtain immersion liquid, measure the pH value of described immersion liquid, process under 5.0 ~ 8.5 conditions in the pH value to without going mouldy smell, obtain the crushed material after soda acid is processed;
4) boiling: cooking additive, sodium phosphate trimer and the distilled water of volume ratio 1:2:2 are mixed, obtain mixed liquor, crushed material after described soda acid is processed is placed in described mixed liquor, and temperature is 80 ~ 100 ℃ of lower boiling-offs 30 ~ 90 minutes, obtains the crushed material after boiling;
5) washing: wash the crushed material after described boiling;
6) boiling again, washing again: repeatedly repeat above-mentioned steps 4,5, obtain as-spun fibre;
7) screening: cut after more slightly picking according to fiber, the satisfactory length requirement in accordance with regulations of fibre fineness is cut, oven dry packing at last;
Namely obtain described ramie anti-bacterial fibre;
B. prepare antibiotic core body:
1) wood pulp is placed in pulverizer and pulverizes, obtain the wood pulp crushed material;
2) described ramie anti-bacterial fibre is placed in the hot blast machine that scatters, by hot blast, described ramie anti-bacterial fibre is scattered, form random mesh-like ramie anti-bacterial fibre;
3) with described random mesh-like ramie anti-bacterial fibre and wood pulp crushed material, be placed in simultaneously in the inner core assembly drum, fully mix, namely make described antibiotic core body;
C. add macromolecular material:
1) add macromolecular material: absorbent particle is sprayed at described antibiotic core body upper surface equably, then covers one deck toilet paper thereon, obtained adding the core body of water-absorption particle;
2) with the described core forming compacting of having added water-absorption particle, cut, and spray structure glue obtains cutting core body;
D. cover base film material and antibacterial nonwoven cloth made: transmit upset through equipment, make the described core body upper and lower surface of cutting adhere to respectively antibacterial nonwoven cloth made and base film material, and compacting is bonding, obtains sanitary napkin to be formed;
E. moulding: described sanitary napkin to be formed carries out week envelope typing, circumscribed moulding by compacting recessed road moulding, bonding release liners, Double-face adhesive;
Namely make described ramie anti-bacterial fibre sanitary napkin.
Further, described macromolecular material is absorbent particle.
Further, described antibacterial nonwoven cloth made is the ramie antibacterial nonwoven cloth made.
Further, the ratio of quality and the number of copies of described random mesh-like ramie anti-bacterial fibre and wood pulp crushed material is 3:7.
Claims (10)
1. the preparation method of a ramie anti-bacterial fibre, is characterized in that, comprises the following steps:
1) soak: ramie peel is placed in enzyme liquid soaked 6 ~ 8 hours, the ramie peel after being soaked;
2) come unstuck: the ramie peel after described immersion is carried out degumming process, the ramie peel after being come unstuck;
3) soda acid is processed: with the ramie peel after described coming unstuck, be placed in distilled water and soaked 30 minutes, obtain immersion liquid, measure the pH value of described immersion liquid, process under 5.0 ~ 8.5 conditions in the pH value to without going mouldy smell, obtain the crushed material after soda acid is processed;
4) boiling: cooking additive, sodium phosphate trimer and the distilled water of volume ratio 1:2:2 are mixed, obtain mixed liquor, crushed material after described soda acid is processed is placed in described mixed liquor, and temperature is 80 ~ 100 ℃ of lower boiling-offs 30 ~ 90 minutes, obtains the crushed material after boiling;
5) washing: wash the crushed material after described boiling;
6) boiling again, washing again: repeatedly repeat above-mentioned steps 4,5, obtain as-spun fibre;
7) screening: cut after more slightly picking according to fiber, the satisfactory length requirement in accordance with regulations of fibre fineness is cut, oven dry packing at last;
Namely obtain described ramie anti-bacterial fibre.
2. the preparation method of ramie anti-bacterial fibre according to claim 1, is characterized in that, described enzyme liquid is that enzyme activity is a kind of in the alkaline pectase, hemicellulase of 10 ~ 10000U/ml or both mixtures.
3. the preparation method of ramie anti-bacterial fibre paper diaper, is characterized in that, comprises the following steps:
A. prepare the ramie anti-bacterial fibre:
1) soak: ramie peel is placed in enzyme liquid soaked 6 ~ 8 hours, the ramie peel after being soaked;
2) come unstuck: the ramie peel after described immersion is carried out degumming process, the ramie peel after being come unstuck;
3) soda acid is processed: with the ramie peel after described coming unstuck, be placed in distilled water and soaked 30 minutes, obtain immersion liquid, measure the pH value of described immersion liquid, process under 5.0 ~ 8.5 conditions in the pH value to without going mouldy smell, obtain the crushed material after soda acid is processed;
4) boiling: cooking additive, sodium phosphate trimer and the distilled water of volume ratio 1:2:2 are mixed, obtain mixed liquor, crushed material after described soda acid is processed is placed in described mixed liquor, and temperature is 80 ~ 100 ℃ of lower boiling-offs 30 ~ 90 minutes, obtains the crushed material after boiling;
5) washing: wash the crushed material after described boiling;
6) boiling again, washing again: repeatedly repeat above-mentioned steps 4,5, obtain as-spun fibre;
7) screening: cut after more slightly picking according to fiber, the satisfactory length requirement in accordance with regulations of fibre fineness is cut, oven dry packing at last;
Namely obtain described ramie anti-bacterial fibre;
B. prepare antibiotic core body:
Wood pulp is placed in pulverizer pulverizes, obtain the wood pulp crushed material;
Described ramie anti-bacterial fibre is scattered described ramie anti-bacterial fibre by hot blast, form random mesh-like ramie anti-bacterial fibre;
Described random mesh-like ramie anti-bacterial fibre is fully mixed with the wood pulp crushed material, namely make described antibiotic core body;
C. add macromolecular material:
1) add macromolecular material: absorbent particle is sprayed at described antibiotic core body upper surface equably, then covers one deck toilet paper thereon, obtained adding the core body of water-absorption particle;
2) with the described core forming compacting of having added water-absorption particle, cut, and spray structure glue obtains cutting core body;
D. cover base film material and antibacterial nonwoven cloth made: transmit upset through equipment, make the described core body upper and lower surface of cutting adhere to respectively antibacterial nonwoven cloth made and base film material, and compacting is bonding, obtains paper diaper to be formed;
E. moulding: described paper diaper to be formed paste by compacting recessed road moulding, bonding rubber band, waist and waist pastes double faced adhesive tape, carry out week envelope typing, circumscribed moulding;
Namely make described ramie anti-bacterial fibre paper diaper.
4. ramie anti-bacterial fibre paper diaper according to claim 3, is characterized in that, described macromolecular material is absorbent particle.
5. ramie anti-bacterial fibre paper diaper according to claim 3, is characterized in that, described antibacterial nonwoven cloth made is the ramie antibacterial nonwoven cloth made.
6. ramie anti-bacterial fibre paper diaper according to claim 3, is characterized in that, the ratio of quality and the number of copies of described random mesh-like ramie anti-bacterial fibre and wood pulp crushed material is 3 ~ 4:6 ~ 7.
7. the preparation method of a ramie anti-bacterial fibre sanitary napkin, is characterized in that, comprises the following steps:
A. prepare the ramie anti-bacterial fibre:
1) soak: ramie peel is placed in enzyme liquid soaked 6 ~ 8 hours, the ramie peel after being soaked;
2) come unstuck: the ramie peel after described immersion is carried out degumming process, the ramie peel after being come unstuck;
3) soda acid is processed: with the ramie peel after described coming unstuck, be placed in distilled water and soaked 30 minutes, obtain immersion liquid, measure the pH value of described immersion liquid, process under 5.0 ~ 8.5 conditions in the pH value to without going mouldy smell, obtain the crushed material after soda acid is processed;
4) boiling: cooking additive, sodium phosphate trimer and the distilled water of volume ratio 1:2:2 are mixed, obtain mixed liquor, crushed material after described soda acid is processed is placed in described mixed liquor, and temperature is 80 ~ 100 ℃ of lower boiling-offs 30 ~ 90 minutes, obtains the crushed material after boiling;
5) washing: wash the crushed material after described boiling;
6) boiling again, washing again: repeatedly repeat above-mentioned steps 4,5, obtain as-spun fibre;
7) screening: cut after more slightly picking according to fiber, the satisfactory length requirement in accordance with regulations of fibre fineness is cut, oven dry packing at last;
Namely obtain described ramie anti-bacterial fibre;
B. prepare antibiotic core body:
Wood pulp is placed in pulverizer pulverizes, obtain the wood pulp crushed material;
Described ramie anti-bacterial fibre is scattered described ramie anti-bacterial fibre by hot blast, form random mesh-like ramie anti-bacterial fibre;
With described random mesh-like ramie anti-bacterial fibre and wood pulp crushed material, fully mix, namely make described antibiotic core body;
C. add macromolecular material:
1) add macromolecular material: absorbent particle is sprayed at described antibiotic core body upper surface equably, then covers one deck toilet paper thereon, obtained adding the core body of water-absorption particle;
2) with the described core forming compacting of having added water-absorption particle, cut, and spray structure glue obtains cutting core body;
D. cover base film material and antibacterial nonwoven cloth made: transmit upset through equipment, make the described core body upper and lower surface of cutting adhere to respectively antibacterial nonwoven cloth made and base film material, and compacting is bonding, obtains sanitary napkin to be formed;
E. moulding: described sanitary napkin to be formed carries out week envelope typing, circumscribed moulding by compacting recessed road moulding, bonding release liners, Double-face adhesive;
Namely make described ramie anti-bacterial fibre sanitary napkin.
8. ramie anti-bacterial fibre sanitary napkin according to claim 7, is characterized in that, described macromolecular material is absorbent particle.
9. ramie anti-bacterial fibre sanitary napkin according to claim 7, is characterized in that, described antibacterial nonwoven cloth made is the ramie antibacterial nonwoven cloth made.
10. ramie anti-bacterial fibre sanitary napkin according to claim 7, is characterized in that, the ratio of quality and the number of copies of described random mesh-like ramie anti-bacterial fibre and wood pulp crushed material is 3 ~ 4:6 ~ 7.
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| CN201310084714.0A CN103132153B (en) | 2013-03-18 | 2013-03-18 | Preparation method and application of antibacterial ramie fiber |
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| CN201310084714.0A CN103132153B (en) | 2013-03-18 | 2013-03-18 | Preparation method and application of antibacterial ramie fiber |
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| CN103132153B CN103132153B (en) | 2015-04-01 |
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| US20150240414A1 (en) * | 2014-02-25 | 2015-08-27 | Wuhan Textile University | Chain, continuous and no-waste method for degumming and fiber-separating the ramie |
| CN105832463A (en) * | 2016-03-16 | 2016-08-10 | 徐良 | Antibacterial hygiene product and preparation method thereof |
| CN111218080A (en) * | 2020-03-14 | 2020-06-02 | 广东汉麻生物科技股份有限公司 | Modified polylactic acid and hemp straw powder reinforced polylactic acid 3D printing material and preparation method thereof |
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| US20150240414A1 (en) * | 2014-02-25 | 2015-08-27 | Wuhan Textile University | Chain, continuous and no-waste method for degumming and fiber-separating the ramie |
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| CN105832463A (en) * | 2016-03-16 | 2016-08-10 | 徐良 | Antibacterial hygiene product and preparation method thereof |
| CN111218080A (en) * | 2020-03-14 | 2020-06-02 | 广东汉麻生物科技股份有限公司 | Modified polylactic acid and hemp straw powder reinforced polylactic acid 3D printing material and preparation method thereof |
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