CN104695128A - Alginate fiber non-woven material and preparing method thereof - Google Patents
Alginate fiber non-woven material and preparing method thereof Download PDFInfo
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- CN104695128A CN104695128A CN201310639015.8A CN201310639015A CN104695128A CN 104695128 A CN104695128 A CN 104695128A CN 201310639015 A CN201310639015 A CN 201310639015A CN 104695128 A CN104695128 A CN 104695128A
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- alginate fiber
- nonwoven material
- water thorn
- alginate
- fiber nonwoven
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Abstract
The invention relates to an alginate fiber non-woven material. The mass of the alginate fiber non-woven material per unit area is 30-200g/m<2>, and the alginate fiber non-woven material is processed and prepared by a spunlaced non-woven fabric making technology. Alginate fibers with certain calcium and sodium ion content is used as a raw material, and the fibers and a fiber product thereof are not dissolved in clean water but can swell in solvents such as normal saline. The product made of the material has the characteristics of being high in mechanical strength, large in mass application range per unit area, neat in product surface, sanitary and clean in production process and high in production efficiency. The product can be applied to medical dressings and other medical sanitary materials.
Description
Technical field
The present invention relates to field of textiles, specifically, relate to a kind of alginate fiber nonwoven material and preparation method thereof.
Background technology
Alginate dressing, after coming into the market the nineties, becomes one of major product of nursing chronic wounds gradually with regard to being subject to the welcome of patient and user always.Its market capacity increases and one of main body dressing becoming wettability wound dressing year by year.
The following several large advantage of alginic acid dressing: 1) main body of alginate dressing is calcium alginate, and dressing can provide calcium ion to wound.And the existence energy accelerating wound healing of calcium ion; 2) alginate fiber has very large absorbing fluid ability.Generally all doubly conduct oneself with dignity to dressing at 10-20; 3) can colloid be formed after contact wound exudate, thus provide a moist environment to wound healing, accelerating wound healing; 4) alginate fiber material can auto-degradation.
CN1180562A discloses the preparation method of a kind of Application containing calcium alginate and calcium alginate fibre nonwoven fabric, this preparation method adopts adhesive to be bonded in the one side of nonwoven fabric in the one side of the netted calcium alginate fibre nonwoven fabric of acupuncture, the another side of nonwoven fabric scribbles antitack agent, protective paper is positioned at the another side of the netted calcium alginate fibre nonwoven fabric of acupuncture, and its surrounding is bonding with the adhesive be positioned on nonwoven fabric and peelable.
CN103027788A discloses a kind of absorbability medical dressing and preparation method thereof, this dressing is by carrying on the back Cun and polymer matrix layer forms, polymer matrix layer is made up of at least one in polyacrylic acid, alginic acid, shitosan, water soluble polyamide, chitosan derivatives, polylysine or cellulose derivative, polymer matrix layer is provided with medicine layer, described medicine layer is made up of at least one in collagen, fibrinogen, growth factor or antibiotic, and its preparation method is: (1) produces the polymer substrate aqueous solution; (2) the prepared polymer substrate aqueous solution is injected mould; (3) carry out freezing to the polymer substrate aqueous solution in mould; (4) refrigeration material is carried out freeze-drying; (5) polymer substrate sponge is carried out post processing, obtained absorbability medical dressing.
Have now the technique adopting alginate fiber to carry out acupuncture processing non-weaving cloth, the mass area ratio of product is higher, and in acupuncture course, fibre damage is comparatively large, and machinery is powerful low, has Soft flocks, yielding, is therefore necessary to change processing technology.
Summary of the invention
The present invention first object is to provide a kind of alginate fiber nonwoven material, and this alginate fiber nonwoven material machinery is powerful high, and Soft flocks are few, not yielding, and the mass area ratio scope of application is large, meets the different market demands.
The present invention second object is the preparation method providing a kind of foregoing alginate fiber nonwoven material, and this preparation method is less than the damage of traditional needling process to fiber, and production process sanitation and hygiene, production efficiency is high, is convenient to suitability for industrialized production.
For realizing the first object of the present invention, the present invention adopts following technical scheme:
A kind of alginate fiber nonwoven material, wherein, the mass area ratio of described alginate fiber nonwoven material is 30 ~ 200g/m
2, preferably 40 ~ 130g/m
2.
In the present invention, described alginate fiber and alginate fiber nonwoven material insoluble in the water of cleaning, but can colloid be swelled in physiological saline equal solvent.
In the present invention, the calcium ion content of described alginate fiber is 6 ~ 10%, sodium ions content 0.5 ~ 2.5%.
In the present invention, the length of described alginate fiber is 38 ~ 60mm, and fineness is 1.33 ~ 3.33dtex, and fibre strength is 1.0 ~ 2.5cN/dtex.
In the present invention, described alginate fiber is purchased from Shaoxing Lan Hai fiber Science and Technology Ltd., and specification is line density 1.66 ~ 3.33dtex, length 38 ~ 51mm.
For realizing the second object of the present invention, the present invention adopts following technical scheme:
A kind of preparation method of alginate fiber nonwoven material, wherein, the preparation method of described alginate fiber nonwoven material is by alginate fiber by shredding, combing, then through or without cross lapping machine, enter Spunlace line and carry out the reinforcing of water thorn, last drying machine drying.
In the present invention, the preparation method of described alginate fiber nonwoven material, when carrying out the reinforcing of water thorn to alginate fiber, adopt continuous print multiple tracks water thorn, water thorn pressure is as follows:
| Sequence number | 1 | 2 | 3 | 4 | 5 |
| Water thorn pressure, bar | 2-20 | 40-80 | 50-120 | 50-120 | 50-100 |
In the present invention, the bake out temperature of described oven dry is 80 ~ 130 DEG C, and drying time is 0.1 ~ 3 minute; Preferred bake out temperature is 90 ~ 120 DEG C, and drying time is 0.3 ~ 2 minute.
Compared with prior art, tool of the present invention has the following advantages:
(1) alginate fiber nonwoven material provided by the present invention, machinery is powerful high, and not yielding, Soft flocks are few, and the mass area ratio scope of application is large, can meet the different market demands.
(2) preparation method of alginate fiber nonwoven material provided by the present invention, less than the damage of traditional needling process to fiber, production process sanitation and hygiene, production efficiency is high, is convenient to suitability for industrialized production.
Concrete case study on implementation
By embodiment, technical scheme of the present invention is further described below; advantage to technical scheme of the present invention will be contributed to; effect has further to be understood, and embodiment does not limit protection scope of the present invention, and protection scope of the present invention is decided by claim.
[embodiment 1]
A kind of alginate fiber nonwoven material, adopt the alginate fiber of 2.22dtex*38mm, by shredding, combing and cross lapping machine, enter Spunlace line and carry out the reinforcing of water thorn, the water thorn pressure that first is prewetted is 5bar, second water thorn pressure is 60bar, and the 3rd road water thorn pressure is 80bar, the 4th road water thorn pressure 80bar, 5th road water thorn pressure 60bar, the bake out temperature of dryer is 120 DEG C, and drying time is 0.5 minute, and the mass area ratio of product is 80 grams/m.The tensile break strength of product is longitudinal 55N, the horizontal 70N (mensuration (galley proof method) of@GB/T24218.3 textiles non-weaving cloth test method the 3rd portion fractures brute force and elongation at break.
[embodiment 2]
A kind of alginate fiber nonwoven material, adopt the alginate fiber of 1.67dtex*38mm, by shredding, carding, without cross lapping machine, directly enter Spunlace line and carry out the reinforcing of water thorn, the water thorn pressure that first is prewetted is 5bar, and second water thorn pressure is 40bar, and the 3rd road water thorn pressure is 50bar, 4th road water thorn pressure 50bar, the bake out temperature of dryer is 100 DEG C, and drying time is 0.3 minute, and the mass area ratio of product is 45 grams/m.The tensile break strength of product is longitudinal 50N, the horizontal 12N (mensuration (galley proof method) of@GB/T24218.3 textiles non-weaving cloth test method the 3rd portion fractures brute force and elongation at break.
[embodiment 3]
A kind of alginate fiber nonwoven material, adopt the alginate fiber of 2.22dtex*45mm, by shredding, combing, and cross lapping machine, enter Spunlace line and carry out the reinforcing of water thorn, the water thorn pressure that first is prewetted is 20bar, second water thorn pressure is 80bar, 3rd road water thorn pressure is 120bar, 4th road water thorn pressure 100bar, the 5th road water thorn pressure 80bar, the bake out temperature of dryer is 130 DEG C, drying time is 1 minute, and the mass area ratio of product is 150 grams/m.The tensile break strength of product is longitudinal 100N, the horizontal 125N (mensuration (galley proof method) of@GB/T24218.3 textiles non-weaving cloth test method the 3rd portion fractures brute force and elongation at break.
[embodiment 4]
A kind of alginate fiber nonwoven material, adopt the alginate fiber of 3.33dtex*51mm, by shredding, combing and cross lapping machine, enter Spunlace line and carry out the reinforcing of water thorn, the water thorn pressure that first is prewetted is 10bar, second water thorn pressure is 60bar, and the 3rd road water thorn pressure is 80bar, the 4th road water thorn pressure 80bar, 5th road water thorn pressure 50bar, the bake out temperature of dryer is 115 DEG C, and drying time is 0.5 minute, and the mass area ratio of product is 100 grams/m.The tensile break strength of product is longitudinal 70N, the horizontal 90N (mensuration (galley proof method) of@6B/T24218.3 textiles non-weaving cloth test method the 3rd portion fractures brute force and elongation at break.
[embodiment 5]
A kind of alginate fiber nonwoven material, adopts the alginate fiber of 2.22dtex*38mm, and by two cover carding web forming systems, namely one be enclosed within through cross lapping machine after combing, directly export after another set of combing, two layers of mesh merges before entering spun-laced machine.When water thorn is reinforced, the water thorn pressure that first is prewetted is 10bar, second water thorn pressure is 60bar, 3rd road water thorn pressure is 80bar, 4th road water thorn pressure 80bar, the 5th road water thorn pressure 60bar, the bake out temperature of dryer is 110 DEG C, drying time is 1.0 minutes, and the mass area ratio of product is 80 grams/m.The tensile break strength of product is longitudinal 80N, the horizontal 60N (mensuration (galley proof method) of@GB/T24218.3 textiles non-weaving cloth test method the 3rd portion fractures brute force and elongation at break.
Claims (7)
1. an alginate fiber nonwoven material, is characterized in that, the mass area ratio of described alginate fiber nonwoven material is 30 ~ 200g/m
2, preferably 40 ~ 130g/m
2.
2. alginate fiber nonwoven material according to claim 1, is characterized in that, described alginate fiber and alginate fiber nonwoven material insoluble in clean water, but can colloid be swelled in physiological saline equal solvent.
3. alginate fiber nonwoven material according to claim 1, is characterized in that, the calcium ion content of described alginate fiber is 6 ~ 10%, sodium ions content 0.5 ~ 2.5%.
4. alginate fiber nonwoven material according to claim 1, is characterized in that, the length of described alginate fiber fiber is 38 ~ 60mm, and fineness is 1.33 ~ 3.33dtex, and fibre strength is 1.0 ~ 2.5cN/dtex.
5. the preparation method of the alginate fiber nonwoven material described in a claim 1-4 any one, it is characterized in that, by alginate fiber by shredding, combing, then through or without cross lapping machine, enter Spunlace line and carry out the reinforcing of water thorn, last drying machine drying.
6. preparation method according to claim 5, when it is characterized in that carrying out the reinforcing of water thorn to alginate fiber, adopt continuous print multiple tracks water thorn, water thorn pressure is as follows:
7. preparation method according to claim 5, is characterized in that, the bake out temperature of described oven dry is 80 ~ 130 DEG C, and drying time is 0.1 ~ 3 minute; Preferred bake out temperature is 90 ~ 120 DEG C, and drying time is 0.3 ~ 2 minute.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310639015.8A CN104695128A (en) | 2013-12-04 | 2013-12-04 | Alginate fiber non-woven material and preparing method thereof |
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| CN201310639015.8A CN104695128A (en) | 2013-12-04 | 2013-12-04 | Alginate fiber non-woven material and preparing method thereof |
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| CN104695128A true CN104695128A (en) | 2015-06-10 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401337A (en) * | 2015-10-22 | 2016-03-16 | 江苏伟创力新材料有限公司 | Alginate fiber spunlace non-woven fabric and manufacturing method thereof |
| CN105463700A (en) * | 2015-12-18 | 2016-04-06 | 厦门百美特生物材料科技有限公司 | Spunlace alginate dressing |
| CN105970479A (en) * | 2016-06-28 | 2016-09-28 | 绍兴吉玛良斯服饰设计有限公司 | Silver ion alginate fiber antibacterial non-woven fabric and manufacturing method thereof |
| CN105999362A (en) * | 2016-06-02 | 2016-10-12 | 四川奎星医用高分子制品有限责任公司 | Medical composite alginate dressing containing antibacterial drug and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201920992U (en) * | 2010-12-29 | 2011-08-10 | 稳健实业(深圳)有限公司 | Medical dressing |
| WO2012109773A1 (en) * | 2011-02-18 | 2012-08-23 | Chu Jiamian | Method for preparation of medical calcium alginate filling strip |
| CN102704326A (en) * | 2012-05-25 | 2012-10-03 | 绍兴蓝海纤维科技有限公司 | Preparation method of alginic acid system nonwoven |
| CN103169570A (en) * | 2013-03-06 | 2013-06-26 | 苏州艾美医疗用品有限公司 | Hemostasis bandaid and preparation method thereof |
-
2013
- 2013-12-04 CN CN201310639015.8A patent/CN104695128A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201920992U (en) * | 2010-12-29 | 2011-08-10 | 稳健实业(深圳)有限公司 | Medical dressing |
| WO2012109773A1 (en) * | 2011-02-18 | 2012-08-23 | Chu Jiamian | Method for preparation of medical calcium alginate filling strip |
| CN102704326A (en) * | 2012-05-25 | 2012-10-03 | 绍兴蓝海纤维科技有限公司 | Preparation method of alginic acid system nonwoven |
| CN103169570A (en) * | 2013-03-06 | 2013-06-26 | 苏州艾美医疗用品有限公司 | Hemostasis bandaid and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401337A (en) * | 2015-10-22 | 2016-03-16 | 江苏伟创力新材料有限公司 | Alginate fiber spunlace non-woven fabric and manufacturing method thereof |
| CN105463700A (en) * | 2015-12-18 | 2016-04-06 | 厦门百美特生物材料科技有限公司 | Spunlace alginate dressing |
| CN105999362A (en) * | 2016-06-02 | 2016-10-12 | 四川奎星医用高分子制品有限责任公司 | Medical composite alginate dressing containing antibacterial drug and preparation method thereof |
| CN105970479A (en) * | 2016-06-28 | 2016-09-28 | 绍兴吉玛良斯服饰设计有限公司 | Silver ion alginate fiber antibacterial non-woven fabric and manufacturing method thereof |
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Application publication date: 20150610 |
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