CN103147302A - Processing method of alginic acid fiber for non-woven medical dressing fabric - Google Patents
Processing method of alginic acid fiber for non-woven medical dressing fabric Download PDFInfo
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- CN103147302A CN103147302A CN201310071652XA CN201310071652A CN103147302A CN 103147302 A CN103147302 A CN 103147302A CN 201310071652X A CN201310071652X A CN 201310071652XA CN 201310071652 A CN201310071652 A CN 201310071652A CN 103147302 A CN103147302 A CN 103147302A
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- alginic acid
- acid fibre
- medical dressing
- acid fiber
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Abstract
The invention discloses a processing method of alginic acid fiber for non-woven medical dressing fabric, belonging to the field of biofiber processing. The processing method comprises the steps of: weighing and mixing the following ingredients in parts by weight: 30-50 parts of tween-80 solution and 70-50 parts of water to obtain an emulsifying agent; cutting off alginic acid fiber wool tops to obtain short-cut alginic acid fiber wool tops; spraying the emulsifying agent on the short-cut alginic acid fiber wool tops, controlling the weight ratio of the emulsifying agent and the short-cut alginic acid fiber wool tops, and filling in a close container for standing after the spraying is finished, thereby obtaining emulsified alginic acid fiber; taking out the emulsified alginic acid fiber from the close container to be spread in an exposed state, and controlling the spreading time to obtain the alginic acid fiber for non-woven medical dressing fabric. The alginic acid fiber for non-woven medical dressing fabric has desirable strength and excellent toughness, can meet the carded web requirement of a carding machine in a non-woven process, can show good entanglement effect among fibers in the following needling process of a needling machine without the scattering phenomenon.
Description
Technical field
the invention belongs to the biological fiber processing technology field, be specifically related to the processing method of the alginic acid fibre that a kind of medical dressing non-weaving cloth uses.
Background technology
alginic acid claims again alginic acid, seaweed gel, algin, is a kind of natural macromolecular material extracted from the brown algae plant.Alginic acid has many good performances, is widely used in the fields such as food, medicine, weaving, printing and dyeing, papermaking, daily-use chemical industry, wastewater treatment.
along with the increasingly scarcity of non-renewable natural resources as oil, coal etc.; along with the remarkable enhancing of the mankind to environmental protection consciousness, there is sustainable development and recycling economy characteristic and contribute to the natural macromolecular material of protection of the environment more and more to be thought highly of by people as acid fiber by polylactic, alginic acid fibre, soybean fiber etc. simultaneously.Wherein: take the alginic acid series fiber as example, it is to take natural brown alga extract as raw material, utilize the alginate aqueous solution at the coagulating bath extruding spinning (by means of spinnerets) that contains calcium ion, obtain calcium alginate fibre, typical in British Patent No. GB1394741.In addition, all include alginic acid fibre as Chinese patent CN1332081C, CN1296534C, CN101381906B, CN101757681A, CN101757680A, CN102505461A, CN102373618A, CN102828285A, CN100400019C, CN100457989C and CN102031590A etc.
from being not limited to the above-mentioned document exemplified, alginic acid fibre can be combined with metal ions such as zinc, copper, barium, silver, formation has special bioactive functional fibre, and, by co-blended spinning, can add carboxymethyl cellulose, polyvinyl alcohol, chitosan, carboxymethyl crusta amine, gelatin, protein, konjac glucomannan, enzyme isoreactivity material in alginic acid fibre.Again because alginic acid fibre has fabulous biologically active and hygroscopicity, during as wound dressing, metal ion and the sodium ion in human body fluid in alginic acid fibre carry out ion-exchange, thereby be transformed into aquogel, so formed a fabulous wound healing environment in wound surface, so alginic acid fibre has good prospect of the application in medical dressing field.
but, no matter be based on the ion-exchange process of above-mentioned patent documentation instruction or the alginic acid fibre ubiquity fibre strength shortcoming that the co-blended spinning method obtains and the shortcoming of tenacity of fibre deficiency, so, in the process that with on-woven technique is nonwovens process making medical dressing non-weaving cloth, be difficult to by the carding machine carding, even and if inadequate carding, in follow-up acupuncture course, because forming desirable fibre matting effect, be prone to broken (cracked) phenomenon of bursting, the preparation method that can be nonwoven fabric by aforesaid CN102704326A(alginic acid to this) disclosed technology contents confirmation, because this patent application scheme is manufactured paper with pulp into net to the one-tenth net employing of alginic acid fibre, specifically can be referring to specification the 0008th hurdle.Yet adopt and to manufacture paper with pulp into net not only technique is loaded down with trivial details but also be difficult to meet the industrial amplification production requirement.
perhaps be for above-mentioned factor, medical dressing in prior art still take viscose and polyster fibre through needing machine acupuncture as main, when the nonwoven fabric obtained by this fiber is used as medical dressing, be unfavorable for building good healing environment for wound on the one hand, be difficult to even can't degrade and undermine environment on the other hand after discarded.
for above-mentioned prior art, the applicant has done lasting exploration, has finally formed technical scheme described below, and has taked to have made simulated test under strict secrecy provision the applicant, and it is practicable that result proves.
Summary of the invention
task of the present invention is to provide a kind of and contributes to significantly to improve intensity and toughness and use the carding that meets in non-woven production technology and the processing method of the alginic acid fibre that medical dressing non-weaving cloth that acupuncture requires is used.
task of the present invention completes like this, and the processing method of the alginic acid fibre that a kind of medical dressing non-weaving cloth is used comprises the following steps:
a) the preparation emulsifying agent, mix the Tween-80 solution 30-50 part taken by weight with the water 70-50 part taken by weight, obtains emulsifying agent;
b) fiber is prepared, and the alginic acid fibre wool top is cut off, and obtains chopped alginic acid fibre wool top;
c) wetting, will be by steps A) emulsifying agent that obtains is sprayed onto by step B) on the chopped alginic acid fibre wool top that obtains, control the weight ratio of emulsifying agent and chopped alginic acid fibre wool top, standing in the airtight container of packing into after spraying end, obtain the alginic acid fibre of emulsification;
d) put at stand, will be by step C) alginic acid fibre of the emulsification that obtains takes out stand and is placed in and reveals naked state from described closed container, and control to spread out and put the time, obtain the alginic acid fibre that the medical dressing non-weaving cloth is used.
the mass percent concentration of the Tween-80 solution in a specific embodiment of the present invention, steps A) is 60-90%.
in another specific embodiment of the present invention, steps A) water described in is deionized water.
the length of the cut-out in another specific embodiment of the present invention, step B) is 4-8 ㎝.
the weight ratio of the control emulsifying agent in another specific embodiment of the present invention, step C) and chopped alginic acid fibre wool top is that the weight ratio of emulsifying agent and chopped alginic acid fibre wool top is controlled is 1: 90-110.
also have a specific embodiment of the present invention, step C) described in the standing time be 300-600min.
more of the present invention and in specific embodiment, step D) the control stand time of putting described in is that the stand time of putting is controlled as 300-600min.
the alginic acid fibre that the medical dressing non-weaving cloth that the inventive method obtains is used not only has desirable intensity but also have excellent toughness, thereby can meet the carding machine carding requirement in nonwovens process, and can embody the good entanglement effect between fiber in follow-up needing machine acupuncture course, not there will be defeated and dispersed phenomenon.
The specific embodiment
embodiment 1:
a) preparation emulsifying agent, 50 parts of Tween-80 solution that is 60% by the mass percent concentration that takes by weight mix with 50 parts of the deionized waters taken by weight, obtain emulsifying agent;
b) fiber is prepared, the alginic acid fibre wool top that the alginic acid fibre that will be 2.5-3dtex by the fiber number of fiber is made cuts into the length of 6 ㎝, obtain chopped alginic acid fibre wool top, the alginic acid fibre wool top described in this step is preferred, but not limited to selects that to use and the trade mark that in the application day before in market widely sell that produce by strong source, Hubei China province Hubei chemical industry Co., Ltd be JY-H alginic acid fibre bar;
c) wetting, will be by steps A) emulsifying agent that obtains packs in automiser spray, and be sprayed onto by step B) on the chopped alginic acid fibre wool top that obtains, the weight ratio of controlling emulsifying agent and chopped alginic acid fibre wool top is 1: 100, for example by the 1kg emulsifying agent, 100kg staple fiber wool top is sprayed (or claiming spray wine), closed container pack rapidly into as plastic film bag after spray finishing or similarly carry out at normal temperatures after container standing, time of repose is 300min, obtains the alginic acid fibre of emulsification;
d) put at stand, will be by step C) alginic acid fibre of the emulsification that obtains takes out from described closed container, and divide on the plastic sheeting or other similar film or plate that is placed in the cleaning of place mat on terrace of breaking up,, the alginic acid fibre of emulsification is placed in and reveals naked state with the dispersing mode of making thinner, the thickness disperseed of making thinner is preferably 2 ㎝, and maintain 600min( spread out put 600min), obtain the alginic acid fibre that the medical dressing non-weaving cloth is used.
because the alginic acid fibre obtained by said method not only has desirable intensity: through test repeatedly, before processing, the dry fracture strength of fiber only has 0.6-1.2cN/dtex, and can reach 1.8-2.4cN/dtex by dry fracture strength after the inventive method preliminary treatment, and have excellent toughness: before processing, the dry elongation at break of fiber only has 10-15%, after preliminary treatment, dry elongation at break can reach 20-25%, thereby can meet the carding requirement to it of carding machine in nonwoven manufacturing technique, ensure in the needing machine acupuncture course in Hou road simultaneously and show the desirable entanglement effect between fiber, for example in acupuncture course, not there will be the broken situation of bursting.
embodiment 2:
only by steps A) in Tween-80 and the parts by weight of deionized water change respectively 30 parts and 70 parts into, and change the mass percent concentration of Tween-80 solution into 70%; By step B) in shearing length change 8 ㎝ into; By step C) in emulsifying agent and the weight ratio of staple fiber wool top change 1: 110 into, and change the standing time into 600min; By step D) in the holding time of disperseing of making thinner change 300min into.All the other are all with the description to embodiment 1.
embodiment 3:
only by steps A) in Tween-80 and the parts by weight of deionized water change respectively 40 parts and 60 parts into, and change the mass percent concentration of Tween-80 solution into 90%; By step B) in shearing length change 4 ㎝ into; By step C) in emulsifying agent and the weight ratio of staple fiber wool top change 1: 90 into, and change the standing time into 450min; By step D) in make thinner and disperse to reveal holding time of putting and change 450min into.All the other are all with the description to embodiment 1.
Claims (7)
1.
the processing method of the alginic acid fibre that a kind of medical dressing non-weaving cloth is used is characterized in that comprising the following steps:
a) the preparation emulsifying agent, mix the Tween-80 solution 30-50 part taken by weight with the water 70-50 part taken by weight, obtains emulsifying agent;
b) fiber is prepared, and the alginic acid fibre wool top is cut off, and obtains chopped alginic acid fibre wool top;
c) wetting, will be by steps A) emulsifying agent that obtains is sprayed onto by step B) on the chopped alginic acid fibre wool top that obtains, control the weight ratio of emulsifying agent and chopped alginic acid fibre wool top, standing in the airtight container of packing into after spraying end, obtain the alginic acid fibre of emulsification;
d) put at stand, will be by step C) alginic acid fibre of the emulsification that obtains takes out stand and is placed in and reveals naked state from described closed container, and control to spread out and put the time, obtain the alginic acid fibre that the medical dressing non-weaving cloth is used.
2.
the processing method of the alginic acid fibre that medical dressing non-weaving cloth according to claim 1 is used, is characterized in that steps A) described in the mass percent concentration of Tween-80 solution be 60-90%.
3.
the processing method of the alginic acid fibre that medical dressing non-weaving cloth according to claim 1 is used, is characterized in that steps A) described in water be deionized water.
4.
the processing method of the alginic acid fibre that medical dressing non-weaving cloth according to claim 1 is used, is characterized in that step B) described in the length of cut-out be 4-8 ㎝.
5.
the processing method of the alginic acid fibre that medical dressing non-weaving cloth according to claim 1 is used, is characterized in that step C) described in control emulsifying agent and the weight ratio of chopped alginic acid fibre wool top be that the weight ratio of emulsifying agent and chopped alginic acid fibre wool top is controlled is 1: 90-110.
6.
the processing method of the alginic acid fibre that medical dressing non-weaving cloth according to claim 1 is used, is characterized in that step C) described in the standing time be 300-600min.
7.
the processing method of the alginic acid fibre that medical dressing non-weaving cloth according to claim 1 is used, is characterized in that step D) described in the control stand time of putting be that the stand time of putting is controlled as 300-600min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310071652XA CN103147302A (en) | 2013-03-06 | 2013-03-06 | Processing method of alginic acid fiber for non-woven medical dressing fabric |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310071652XA CN103147302A (en) | 2013-03-06 | 2013-03-06 | Processing method of alginic acid fiber for non-woven medical dressing fabric |
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| CN103147302A true CN103147302A (en) | 2013-06-12 |
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| CN201310071652XA Pending CN103147302A (en) | 2013-03-06 | 2013-03-06 | Processing method of alginic acid fiber for non-woven medical dressing fabric |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105019313A (en) * | 2015-07-09 | 2015-11-04 | 东岚高科(青岛)有限公司 | Biological environmental-friendly flame-retardant wallpaper and preparation method thereof |
| CN106519617A (en) * | 2016-11-18 | 2017-03-22 | 无锡明盛纺织机械有限公司 | Polylactic acid complex and preparation method thereof |
| CN115161873A (en) * | 2022-07-26 | 2022-10-11 | 深圳市鑫鸿佳科技有限公司 | Degradable seaweed non-woven fabric |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1136105A (en) * | 1965-01-26 | 1968-12-11 | Moelnlycke Ab | Method for improving the crease properties and setting of fabrics |
| CN1953822A (en) * | 2004-05-14 | 2007-04-25 | 陶氏康宁爱尔兰有限公司 | Coating compositions |
-
2013
- 2013-03-06 CN CN201310071652XA patent/CN103147302A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1136105A (en) * | 1965-01-26 | 1968-12-11 | Moelnlycke Ab | Method for improving the crease properties and setting of fabrics |
| CN1953822A (en) * | 2004-05-14 | 2007-04-25 | 陶氏康宁爱尔兰有限公司 | Coating compositions |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105019313A (en) * | 2015-07-09 | 2015-11-04 | 东岚高科(青岛)有限公司 | Biological environmental-friendly flame-retardant wallpaper and preparation method thereof |
| CN106519617A (en) * | 2016-11-18 | 2017-03-22 | 无锡明盛纺织机械有限公司 | Polylactic acid complex and preparation method thereof |
| CN115161873A (en) * | 2022-07-26 | 2022-10-11 | 深圳市鑫鸿佳科技有限公司 | Degradable seaweed non-woven fabric |
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Application publication date: 20130612 |