CN100339522C - Target directivity adsorption type activated carbon fiber material and preparation method and bolt shape products - Google Patents
Target directivity adsorption type activated carbon fiber material and preparation method and bolt shape products Download PDFInfo
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- CN100339522C CN100339522C CNB031264298A CN03126429A CN100339522C CN 100339522 C CN100339522 C CN 100339522C CN B031264298 A CNB031264298 A CN B031264298A CN 03126429 A CN03126429 A CN 03126429A CN 100339522 C CN100339522 C CN 100339522C
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- carbon fiber
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- active charcoal
- vagina
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Abstract
The present invention relates to a target directional adsorptive active carbon fiber material, a preparation method thereof, and a suppository product. The C content in active carbon fiber is 70 to 95 (percentage in product weight). Specific surface area is 700-1500m<2>/g. Pore volume is greater than and equal to 0.45 ml/g. The active carbon fiber has large adsorption capacity, has no irritant reaction with thinning vagina mucosa, and can not cause side effect and drug resistance. The sanitary suppository product is particularly effective for curing woman vagina disease.
Description
[technical field]
The present invention relates to a kind of novel hydrophilic active charcoal fibrous material and preparation method thereof, and the bolt shape product of treatment woman vagina disease prepared therefrom, also relate to the purposes of this activated carbon fiber material simultaneously as burn and scald and wound pharmaceutical carrier and first-aid dressing etc.
[background technology]
Learn from the existing military medicine information of grasping, the former Soviet Union since the eighties just medical activated carbon fiber (ACF) Study on Technology, be listed as military secrecy and carry out clinical trial for surplus in the of 10 years at each military hospital of the former Soviet Union and FAMB.Russia formally is used for the military medicine field at present, mainly this technology is applied to equip field army and Chem-warrior, and technology holds in close confidence.Activated carbon fiber has been carried out research constantly both at home and abroad subsequently.But activated carbon fiber of the prior art all has many technical problems such as adsorption capacity is low, poor processability (can only be processed into felt), is not easy to clinical medicine and uses, and does not carry out especially at gynecological disease (solving disease and use in the woman vagina) problem.
Gynecological disease is a difficult problem that troubles medical circle always.Since Sex determination the periodicity of women's autoimmunity power, gynecological disease always when body of women immunity is the most weak, start again invasion and attack, thereby determined that gynecological disease is a kind of common multiple disease.
At present treat the method that gynecological disease all adopts female hormone and Chinese and Western antibacterial drug therapy in the world, can not work well.In addition, not only there be the toxic and side effect and the resistance to the action of a drug in various degree in long-term prescription, and antimicrobial can cause irritant reaction to the vagina mucosa of attenuation, in killing pathogenic bacteria, also destroy the Bacillus acidi lactici of safeguarding the vagina self-cleaning function, caused the gynecological disease obstinate.Especially in the today of only giving birth to a child, drug therapy directly jeopardizes prenatal and postnatal care, for example, the women after the pregnancy before just before giving birth, because the vagina self-cleaning function is affected, be in the bacteria attack state for a long time, the puerpera faces painful choice: take drug therapy as untimely, then will give the neonate bacterial infection; As in time taking drug therapy, the toxic and side effect of medicine certainly will influence neonatal health.These two kinds are selected consequences is the same: no matter be the bacterium or the toxic and side effect of medicine, gently then cause the decline of neonate's physical condition, premature labor, and heavy then cause neonate's retarded (maldevelopment), miscarriage, stillborn foetus, deformity etc.Therefore, be starved of a kind of improved safety product of taking the physical treatment mode, by the powerful target adsorptivity of product self, be adsorbed onto various malignant bacterias, virus in the vagina in the product material micropore fast and kill, remove the vagina peculiar smell, destroy the environment of bacterium, viral growth breeding, stop bacterium, virus, make vagina under the state of successfully isolating with outer medium, recover self-cleaning function in the vagina field planting.
The inventor has studied the influence of activating process (activation temperature, time, atmosphere and catalyst) to hydrophilic active charcoal fibre structure and performance (intensity, pore structure and absorption property); The relation of various malignant bacterias, viral absorption property in hydrophilic active carbon fiber surface chemical constitution and pore structure and the vagina; Strengthen the method for hydrophilic active charcoal fiber hydrophily and biocompatibility; Hydrophilic active charcoal fiber production becomes the method for built-in tampon.Thereby solved prior art problems.
[summary of the invention]
Technical problem to be solved
The purpose of this invention is to provide a kind of hydrophilic active charcoal fiber that has than strong selectivity adsorption function (target absorption).
Another object of the present invention provides this hydrophilic active charcoal fiber preparation method.
A further object of the present invention provides the tampon product of the built-in treatment woman vagina disease of this hydrophilic active charcoal of a kind of usefulness fiber making.
The purposes of the present invention as dressing such as burn and scald and wound medicine, first-aid dressings also is provided simultaneously.
Technical scheme
The object of the present invention is achieved like this: after the fibrous material of specific (special) requirements is woven into the cloth of particular requirement through extraordinary spinning knitting skill, washing and impregnated catalyst, dry back pre-oxidation obtains pre-oxygen silk cloth, pre-oxygen silk cloth is carried out charing form carbon fiber sheet, after overactivation carries out surface modification again and promptly makes hydrophilic active charcoal fiber of the present invention (cloth shape).
Hydrophilic active charcoal fiber of the present invention has following parameters:
1, C (carbon) content in the hydrophilic active charcoal fiber directly determines the functional effect of product, and its content (accounting for the percentage of product weight) is 70-95%, and C content was best at 80% o'clock in the actual production.
2, in the prior art, on the one hand, specific area is big more, and adsorption function is strong more; On the other hand, specific area is big more, and hydrophilic active charcoal fiber is crisp more, and preparation of product is difficult more.Yet hydrophilic active charcoal fiber specific surface area of the present invention is 700-1500m
2/ g, in this scope, hydrophilic active charcoal fiber has low fragility, is preferably 900-1300m
2/ g, the optimum of clinical testing is about 1100m
2/ g.
3, the size of iodine sorption value and specific area have direct relation (the two is in direct ratio).Suitable iodine sorption value is 900-2500mg/g, is preferably 900-2000mg/g, and the optimum of clinical testing is about 1100mg/g.
4, pore volume has determined adsorption range, and the most basic pore volume is greater than 0.45ml/g, is preferably 0.45-1ml/g, and more preferably 0.60-0.90ml/g most preferably is about 0.85ml/g.
Hydrophilic active charcoal fiber preparation method of the present invention is as follows:
1, raw-material selection: the raw material as production the present invention parent activated carbon fiber, can use the viscose glue base fiber at 300-2500 dawn, promptly natural fiber material comprises all viscose glue base fiber length silks of wood pulp matrix etc.Advantage nontoxic, non-stimulated, no sensitization that these materials have is the medical field first-selection.Secondly consider to make raw material with polyacrylonitrile fibre.
2, preparation process: the fibrous material at 300-2500 dawn is woven into the cloth that density is 2 times (two-sided knitting) on 30-60 (yarn longitude) or the 15-40 (yarn latitude), 2 by special mechanical.Use 40-100 ℃ hot water or boiling water then, fully washing, behind hollow polyethylene membrane filtration, dipping pre-oxidation catalyst and carbonization-activation catalyst, dry then, and at 150-300 ℃, under the preferred 180-250 ℃ of temperature pre-oxidation 20-900 minute, preferred 60-600 minute and obtain pre-oxygen silk cloth; With pre-oxygen silk cloth in inert gas (as nitrogen etc.) protection in 750-1600 ℃; under the preferred 800-1200 ℃ of temperature continuously carbonizing 20-900 minute; preferred 60-600 minute; form carbon fiber sheet; under inert gas shielding, be that 800-1000 ℃ aqueous vapor activates through temperature; come the control hole structure by control activating velocity (being the amount of steam) and soak time, i.e. the amount of water vapour is 1-100Nm during control activation
3/ h (please notes: m
3/ h is the unit of the amount of water vapour, and N is illustrated in the water vapour under the nitrogen protection, and the general literary style in this field is: Nm
3/ h) and soak time 10-900 minute, the amount of preferred water steam is 40-80Nm
3/ h, soak time is 120-720 minute, prepare needed hole (pore size is directly proportional with activating velocity and soak time), (also be electrochemical oxidation process: the charcoal fiber is an anode by the anode electrolysis oxidizing process then, graphite cake is a negative electrode, make electrolyte or adopt the mixed method of acid back alkali earlier with acid or alkali, make oxo-anions generate different functional groups in the carbon fiber surface discharge, reach the purpose of surface modification) (performance of surface modification and product is that target absorption does not directly concern to carry out surface modification, just the part group of material itself is carried out last acidity or alkalescence returns preface to put in order), make hydrophilic active charcoal fiber of the present invention.Wherein adopt the conventional electrolysis condition for the anode electrolysis oxidizing process, no specific (special) requirements all is known for those of ordinary skill in this area, can determine.
In the preparation process, the pre-oxidation catalyst of dipping is CuO, and the carbonization-activation catalyst is ZnCl
2Solution; Pre-oxidation process: air dielectric, 150-300 ℃, preferred 180-250 ℃, handled preferred 60-600 minute 20-900 minute; Charring process: inert gas shielding, 750-1600 ℃, preferred 800-1200 ℃, continuously carbonizing 20-900 minute, preferred 60-600 minute; Activation condition: inert gas shielding (for example nitrogen), temperature is the activation of 800-1000 ℃ of aqueous vapor, the amount of water vapour is 1-100Nm
3/ h, the amount of preferred water steam is 40-80Nm
3/ h, soak time are 120-720 minute.
The pore structure of hydrophilic active charcoal fiber and surface chemical structure and the adsorptivity of various malignant bacterias in the vagina, virus had direct and most important relation.And the application of the shape of hydrophilic active charcoal fiber and end product has direct and most important relation, and the hydrophilic active charcoal fiber of the present invention's preparation can be according to different application crowds, and preparation has the product of different absorption parameters and pore structure.
The hydrophilic active charcoal fiber of the present invention's preparation can be used for making the various malignant bacterias of treatment woman vagina, the built-in tampon of viral gynecological disease.Its preparation method is as follows: make material with activated carbon fiber of the present invention, on the mould of the embedding structure that designs according to the female pathology structure, the shape that pressing cost invention drug products requires, then dry packing and carry out disinfection after obtain tampon product of the present invention.Dry and sterilization method is known to those skilled in the art.
Because hydrophilic active charcoal fiber of the present invention has flourishing surface area and micropore, give its high selectivity adsorption capacity and adsorption desorption speed, as tampon treatment woman vagina disease the time, can in the process of preparation, corresponding aperture be set the germ at different-diameter, select to reach the effect of the different germs of absorption by the target of pore size.Can not consider on the production technology that the aperture with the lactic acid bacteria equal diameters can reach various malignant bacterias, virus and secretion thereof in the absorption vagina, in the time of killing pathogenic bacteria, does not destroy the purpose of the Bacillus acidi lactici of safeguarding the vagina self-cleaning function simultaneously.Can stop simultaneously bacterium, virus in the vagina field planting, make vagina under the state of successfully isolating with external agency, recover self-cleaning function.
The present invention can also be used as burn and scald, wound dressing, or is combined into first-aid dressing or first-aid dressing with other materials.When this material is used as burn and scald, wound dressing, or when being combined into first-aid dressing or first-aid dressing with other materials, to adsorb according to the bacterial species and the quantity of burn and scald wound, the micropore of organizing diffusate etc. that respective aperture is set in the production, the present invention can also be as pharmaceutical carrier, as required, drug use on the dipping, and not can with burn the wound site adhesion.
Beneficial effect
Novel hydrophilic active charcoal fibrous material of the present invention has physico-chemical parameter and particular performances unlike the prior art, is the very favorable new product of treatment gynaecologic vaginal disease.It has the intrinsic chemical inertness of raw material of wood-charcoal material, can not produce allergy, stimulation even toxic action when contacting with vagina, can not cause irritant reaction to the vagina mucosa of attenuation, thereby have excellent biological compatibility.Because having flourishing surface area and micropore, it gives its high selectivity adsorption capacity and adsorption desorption speed, as treatment woman vagina disease the time, can adsorb various malignant bacterias, virus and secretion thereof in the vagina, in killing pathogenic bacteria, can not destroy the Bacillus acidi lactici of safeguarding the vagina self-cleaning function.Therefore can as other drug, not produce the toxic and side effect and the resistance to the action of a drug to women itself, thereby to patient's advantageous particularly.And hydrophilic active charcoal fiber of the present invention has not only kept high adsorptivity, has also prevented the fragility under this high absorption property, strengthens this drawing abillity and does not need to add hydroscopic high-molecular resin.
Hydrophilic active charcoal fiber of the present invention is the broad spectrum type adsorbent, and the pore-size distribution of broad just is being suitable for bacterium and viral equimolecular absorption in the vagina.Novel hydrophilic active charcoal fibrous material of the present invention can be prepared into built-in target adsorbing therapy tampon, is the simple and effective new technology and the new method for the treatment of the woman vagina disease at present.It can prevent that various bacteriums, virus from growing and produce disease in woman vagina.Therefore, when being used for the treatment of gynecological disease, not only can suppress tampon product of the present invention the breeding of bacterium under damp condition, fast various malignant bacterias, virus in the vagina are adsorbed onto micropore and kill, remove the vagina peculiar smell, and destroy the environment of bacterium, viral growth breeding, stop bacterium, virus in the vagina field planting, make vagina under the state of successfully isolating with external agency, recover self-cleaning function.
Built-in target adsorbing therapy tampon of the present invention can be according to different women crowds, the product of preparation different absorption parameter and pore structure; When meeting with emergency, can also open it, or be combined into first-aid dressing or first-aid dressing with other materials as burn and scald, wound dressing.When this material as burn and scald, wound dressing, or when being combined into first-aid dressing or first-aid dressing, can be used as pharmaceutical carrier with other materials, as required, drug use on the dipping.
Tampon product of the present invention also has following characteristics: have good flexibility and moisture permeability, contact comfortablely, be convenient to that liquid (bacterial growth environment) sees through in the vagina, vagina is not caused damage; Rapidly equably to radial expansion all around, gently be close to vaginal walls in vagina, adsorption plane is wider, is difficult for coming off voluntarily, reduces the physical activity burden; Reduce drug therapy number of times and bad reaction, reduce financial burden.
[description of drawings]
Fig. 1 is the preparation process of hydrophilic active charcoal fiber of the present invention and its final tampon product.
[specific embodiment]
Embodiment 1: be hydrophilic active charcoal fiber of raw material and preparation method thereof with viscose glue base fiber
The viscose glue base fiber at 1000 dawn is woven into the cloth that density is 2 times (two-sided knitting) on 40 (the yarn longitudes), 2 by special mechanical.Fully washed the nonwoven fabric felt 30 minutes with 40-100 ℃ hot water or boiling water, then oxide impregnation copper and zinc chloride catalyst and dry.Under air dielectric, 200 ℃ of conditions, pre-oxidation 100 minutes; Under inert gas shielding, 850 ℃ of continuously carbonizings 100 minutes obtain the charcoal fiber; With carbon fiber spinning and after being woven into the cloth shape, in 900 ℃ water vapor, activate into hydrophilic activated carbon fiber.Come the control hole structure by control activating velocity and soak time, i.e. the amount of water vapour is about 50Nm during control activation
3/ h (annotates: m
3/ h is the unit of the amount of water vapour, and N is illustrated in the water vapour under the nitrogen protection, and the general literary style in this field is: Nm
3/ h) prepared needed hole (pore size is directly proportional with activating velocity and soak time) in 500 minutes with soak time; And carry out surface modification to make hydrophilic active charcoal fiber of the present invention by the anode electrolysis oxidizing process.Its C weight percentage is 90% after measured, and hydrophilic active charcoal fiber specific surface area is 1150m
2/ g, pore volume are 0.55ml/g.Its pore structure and surface nature are as shown in table 1 below.
The pore structure and the surface nature of table 1 hydrophilic active charcoal fiber
| Diameter range () | Shared percentage (%) |
| 2-6 | 3.5 |
| 6-10 | 56.14 |
| 10-16 | 15.62 |
| 16-20 | 6.69 |
| 20-30 | 7.82 |
| 30-40 | 4.3 |
| 40-50 | 2.16 |
| 50-100 | 3.27 |
Embodiment 2: be hydrophilic active charcoal fiber of raw material and preparation method thereof with the polyacrylonitrile fibre
Use the method identical to prepare hydrophilic active charcoal fiber of the present invention, just with polyacrylonitrile fibre silk replacement viscose glue base filament with embodiment 1.Its C weight percentage is 92% after measured, and the specific area of activated carbon fiber is 1250m
2/ g, pore volume are 0.75ml/g.Its pore structure and surface nature are as shown in table 2 below.
The pore structure of table 2 activated carbon fiber and surface nature
| Diameter range () | Shared percentage (%) |
| 2-6 | 5.5 |
| 6-10 | 54.14 |
| 10-16 | 14.62 |
| 16-20 | 7.69 |
| 20-30 | 7.82 |
| 30-40 | 4.3 |
| 40-50 | 2.16 |
| 50-100 | 3.27 |
Embodiment 3: the preparation of tampon product of the present invention:
Select a hydrophilic active charcoal fiber of the present invention (cloth shape) of preparing with the similar method of passing through embodiment 1 of common sanitary napkin size, adopt the design of octahedral flower type to compress folding forming according to the female pathology structure, its specification be diameter at (12-15) millimeter (diameter)---between long (45-55) millimeter.
Embodiment 4: the comparison of hydrophilic active charcoal fiber absorption affinity of the present invention and fragility and prior art:
Prior art: Russian war products specific area is greater than 1500m
2/ g, product is crisp, and hand has been touched bits and has been come off, can not spinning and braiding.
The present invention: specific area 1000-1500m
2/ g, in this scope, activated carbon fiber has low fragility, and product surface is smooth, and chipless comes off, and can carry out spinning and braiding, can directly act on vaginal walls after the compression forming.
Claims (2)
1, a kind of hydrophilic active charcoal fiber preparation method is characterized in that described preparation method comprises following steps:
(1) fibrous material at 300-2500 dawn being woven into density by special mechanical is: 2 times two-sided cloth of knitting on yarn longitude 30-60 or the yarn latitude 15-40,2;
(2) cloth of above-mentioned weaving hot water or the boiling water with 40-100 ℃ is fully washed, behind hollow polyethylene membrane filtration, dipping pre-oxidation catalyst CuO and carbonization-activation catalyst ZnCl
2, dry then and under 150-300 ℃ of temperature pre-oxidation 20-900 minute and obtain pre-oxygen silk cloth;
(3) pre-oxygen silk cloth was formed carbon fiber sheet in continuously carbonizing 20-900 minute in inert gas shielding under 750-1600 ℃ of temperature;
(4) 800-1000 ℃ of inert gas shielding state, the amount of water vapour is 1-100Nm
3Activation is 10-900 minute under the condition of/h, forms the hydrophilic active carbon fiber sheet;
(5) carry out surface modification to make hydrophilic active charcoal fiber of the present invention by the anode electrolysis oxidizing process.
2, preparation method according to claim 1 is characterized in that described fibrous material is viscose glue base fiber or polyacrylonitrile fibre, and wherein viscose glue base fiber is long or short silk, and polyacrylonitrile fibre is long or short silk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031264298A CN100339522C (en) | 2003-09-28 | 2003-09-28 | Target directivity adsorption type activated carbon fiber material and preparation method and bolt shape products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031264298A CN100339522C (en) | 2003-09-28 | 2003-09-28 | Target directivity adsorption type activated carbon fiber material and preparation method and bolt shape products |
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|---|---|
| CN1600911A CN1600911A (en) | 2005-03-30 |
| CN100339522C true CN100339522C (en) | 2007-09-26 |
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| CNB031264298A Expired - Fee Related CN100339522C (en) | 2003-09-28 | 2003-09-28 | Target directivity adsorption type activated carbon fiber material and preparation method and bolt shape products |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105342983A (en) * | 2015-12-18 | 2016-02-24 | 安徽省微赢生物科技有限公司 | Activated carbon adsorption suppository and preparation method thereof |
| JP2021090676A (en) * | 2019-12-12 | 2021-06-17 | ユニ・チャーム株式会社 | Absorbent article |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1036799C (en) * | 1993-05-16 | 1997-12-24 | 中山大学 | Process for preparing active carbon fibre |
| CN1217394A (en) * | 1997-11-14 | 1999-05-26 | 陈露 | Polyacrylonitrile radical active carbon fiber and producing process therefor |
| CN2351132Y (en) * | 1998-09-08 | 1999-12-01 | 王德禄 | Bougie for treating vaginitis |
| CN2424763Y (en) * | 2000-05-25 | 2001-03-28 | 骆明义 | Sanitary napkin with antiphogistic and sterilizing function |
-
2003
- 2003-09-28 CN CNB031264298A patent/CN100339522C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1036799C (en) * | 1993-05-16 | 1997-12-24 | 中山大学 | Process for preparing active carbon fibre |
| CN1217394A (en) * | 1997-11-14 | 1999-05-26 | 陈露 | Polyacrylonitrile radical active carbon fiber and producing process therefor |
| CN2351132Y (en) * | 1998-09-08 | 1999-12-01 | 王德禄 | Bougie for treating vaginitis |
| CN2424763Y (en) * | 2000-05-25 | 2001-03-28 | 骆明义 | Sanitary napkin with antiphogistic and sterilizing function |
Non-Patent Citations (4)
| Title |
|---|
| 化工词典 王箴，412，化学工业出版社 2000 * |
| 活性炭纤维ACF的制备性能及在石油加工中的应用 井强山等，信阳师范学院学报 自然科学版，第14卷第3期 2001 * |
| 活性炭纤维的结构特征及其在医药卫生方面的应用 高强 等，南通工学院学报，第16卷第3期 2000 * |
| 活性炭纤维研究与应用研究 程祥珍等，材料科学与工程科学，第21卷第2期 2003 * |
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