CN101033564A - Producing method and use for common and functional calcium alginate fiber - Google Patents
Producing method and use for common and functional calcium alginate fiber Download PDFInfo
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Abstract
本发明公开了普通海藻酸钙纤维及功能性海藻酸钙纤维的制备方法，特征是有以下步骤：将适量海藻酸钠溶于水制取质量百分比为3％～8％的海藻酸钠溶液，并可在溶液中加入适宜的功能性材料；将适量氯化钙溶于水中制取质量百分比为2％～5％的氯化钙溶液，制取凝固浴；将制取的海藻酸钠溶液在足量凝固浴中以湿法纺丝制取海藻酸钙纤维，纤维的拉伸率为30％～50％。上述方法获得的纤维可用于制造医用无纺布，也可用于纯纺或与棉、粘胶、竹浆、毛、麻纤维混纺制造服装用和装饰用织物。The invention discloses a preparation method of ordinary calcium alginate fiber and functional calcium alginate fiber, which is characterized by the following steps: dissolving an appropriate amount of sodium alginate in water to prepare a sodium alginate solution with a mass percentage of 3% to 8%, And can add suitable functional materials in the solution; Dissolve appropriate amount of calcium chloride in water to prepare a calcium chloride solution with a mass percentage of 2% to 5%, and prepare a coagulation bath; Prepare the sodium alginate solution in Calcium alginate fibers are prepared by wet spinning in a sufficient coagulation bath, and the elongation rate of the fibers is 30% to 50%. The fibers obtained by the above method can be used to make medical non-woven fabrics, and can also be used for pure spinning or blending with cotton, viscose, bamboo pulp, wool and hemp fibers to make clothing and decorative fabrics.
Description
Technical field
This group invention relates to the common and functional calcium alginate fiber that can be used for making nonwoven fabric and textiles, with and preparation method thereof and purposes.
Background technology
Sodium alginate is a kind of natural high molecular substance that extracts from the sea-tangle of brown algae or sargassum, has favorable biological degradability, biocompatibility, thickening property, film forming and stability.Mineral matter in the seawater is accumulated in the marine alga, and it also contains carbohydrate, amino acid, fat and vitamin etc.Contain compositions such as calcium, magnesium, vitamin A, E, C in the marine alga, the effect to skin has nature to improve looks supplies usefulness so marine alga is used in the cosmetics with the blood that promotes skin, and the metabolism of active cell can make skin keep tender and lovely, solid, smooth.Material in the marine alga also has anti-inflammatory, antipruritic function, and special purposes is arranged on treating for skin disease.Contain carrotene in the marine alga, it is the parent of vitamin A, is used to treat cancer.Therefore, developing with the sodium alginate is the innovation and creation that main raw material is produced corresponding calcium alginate fibre, also will have the social and economic significance of particular importance.
Summary of the invention
One of task of this group invention is to provide a kind of wet spinning to prepare the method for common calcium alginate fibre.
Two of the task of this group invention is to provide a kind of wet spinning to prepare the method for functional calcium alginate fiber.
Three of the task of this group invention is to provide the purposes of calcium alginate fibre and functional calcium alginate fiber.
For realizing this group invention task one, its technical solution is:
A kind of preparation method of common calcium alginate fibre has following steps:
A is 3%～8% sodium alginate soln with the water-soluble mass percent of producing of an amount of sodium alginate;
B is 2%～5% calcium chloride solution with an amount of calcium chloride mass percent of producing soluble in water, produces coagulating bath;
C produces calcium alginate fibre with wet spinning with the sodium alginate soln that step a produces in the capacity coagulating bath that step b produces, the extensibility of fiber is 30%～50%.
Above-mentioned preparation method, among the step c in steps:
C1 with sodium alginate soln after filtration, behind the vacuum deaerator, in room temperature in coagulating bath with wet spinning.
Above-mentioned preparation method, among the step c1 in steps:
C11 through swelling 1～5h, stirs 2～8h with sodium alginate soln, then after filtration, and behind vacuum deaerator 10～20h, under 15～30 ℃ of conditions of room temperature in coagulating bath with wet spinning.
In above-mentioned steps c11, swelling time is 3h, and mixing time is 5h, and the vacuum deaerator time is 16h, and room temperature is 25 ℃.
A kind of preparation method of functional calcium alginate fiber has following steps:
A is 3%～5% sodium alginate soln with the water-soluble mass percent of producing of an amount of sodium alginate;
B will join in the sodium alginate soln that has prepared with respect to the functional material of sodium alginate mass percent 0.5-20%, stirs, and makes the mixed liquor of sodium alginate and functional material;
C is 2%～5% calcium chloride solution with an amount of calcium chloride mass percent of producing soluble in water, produces coagulating bath;
D produces functional calcium alginate fiber with wet spinning process with sodium alginate and functional material mixed liquor that step b produces in the capacity coagulating bath that step c produces, the extensibility of fiber is 30%～50%.
Above-mentioned preparation method, in the steps d in steps:
D1 with sodium alginate and functional material mixed liquor after filtration, behind the vacuum deaerator, in room temperature in coagulating bath with wet spinning.
Above-mentioned preparation method, in the steps d 1 in steps:
D11 through swelling 1～5h, stirs 2～8h with sodium alginate and functional material mixed liquor, then after filtration, and behind vacuum deaerator 10～20h, in 15～30 ℃ in coagulating bath with wet spinning.
In above-mentioned steps d11, swelling time is 3h, and mixing time is 5h, and the vacuum deaerator time is 16h, and room temperature is 25 ℃.
Above-mentioned preparation method, functional material comprises described in the step b:
Anti-biotic material: antiseptic nano powder and chitosan microcapsules;
Ultraviolet ray-resistant material: nanometer uvioresistant powder;
Far-infrared material: nano-far-infrared powder;
Negative ion generating body: nano-negative ion generation body;
One or more assembly wherein.
Above-mentioned each preparation method produces the Sorbsan and the functional calcium alginate fiber in sea, can be used for making medical adhesive-bonded fabric, also can be used for pure spin or with cotton, viscose glue, bamboo pulp, hair, flax fiber blending manufacturing clothes usefulness and FURNISHING FABRIC.
The invention of this group is easy to implement.The common calcium alginate fibre and the functional calcium alginate fiber of its preparation have good hygroscopicity, and be nontoxic, harmless, safe, good mechanical properties.Be applicable to and make nonwoven fabric and textiles, be used for medical dressing (as hospital gauze, adhesive bandage etc.), garment material and drapery etc., have a good application prospect.
The specific embodiment
Among the present invention, prepare common calcium alginate fibre or functional calcium alginate fiber and be and send in the coagulating bath of calcium ions after sodium alginate soln or sodium alginate and functional material mixed liquor extruded through spinnerets, sodium alginate and calcium ion generation ion-exchange promptly form water-fast calcium alginate fibre.
Embodiment 1: get the 30g sodium alginate and be dissolved in the sodium alginate soln that 970mL distilled water obtains 3% (mass percent).With sodium alginate soln through swelling 1h, stir 2h, then after filtration, and behind the vacuum deaerator 10h, consisting of 2% (mass percent) temperature be in the time of 15 ℃ in 15 ℃ the coagulating bath of calcium chloride water and prepare calcium alginate fibre by wet spinning process, the tensile fiber rate can reach 30%.Can be used as fibrous raw material, make medical adhesive-bonded fabric and purely spin or take with drapery etc. with fiber blend manufacturings such as cotton, viscose glue, bamboo pulp, hair, fiber crops.
Embodiment 2: get the 35g sodium alginate and be dissolved in the sodium alginate soln that 965mL distilled water obtains 3.5% (mass percent).With sodium alginate soln through swelling 3h, stir 5h, then after filtration with vacuum deaerator 16h after, in the time of 25 ℃, consisting of 3% (mass percent) temperature and be in 25 ℃ the coagulating bath of calcium chloride water and preparing calcium alginate fibre by wet spinning process, the tensile fiber rate can reach 30%.Can be used as fibrous raw material, make medical adhesive-bonded fabric and purely spin or take with drapery etc. with fiber blend manufacturings such as cotton, viscose glue, bamboo pulp, hair, fiber crops.
Embodiment 3: get the 40g sodium alginate and be dissolved in the sodium alginate soln that 960mL distilled water obtains 4% (mass percent).With sodium alginate soln through swelling 4h, stir 6h, then after filtration, and behind the vacuum deaerator 18h, consisting of 4% (mass percent) temperature be in the time of 20 ℃ in 20 ℃ the coagulating bath of calcium chloride water and prepare calcium alginate fibre by wet spinning process, the tensile fiber rate can reach 40%.Can be used as fibrous raw material, make medical adhesive-bonded fabric and purely spin or take with drapery etc. with fiber blend manufacturings such as cotton, viscose glue, bamboo pulp, hair, fiber crops.
Embodiment 4: get the 80g sodium alginate and be dissolved in the sodium alginate soln that 920mL distilled water obtains 8% (mass percent).With sodium alginate soln through swelling 5h, stir 8h, then after filtration, and behind the vacuum deaerator 20h, consisting of 5% (mass percent) temperature be in the time of 30 ℃ in 30 ℃ the coagulating bath of calcium chloride water and prepare calcium alginate fibre by wet spinning process, the tensile fiber rate can reach 50%.Can be used as fibrous raw material, make medical adhesive-bonded fabric and purely spin or take with drapery etc. with fiber blend manufacturings such as cotton, viscose glue, bamboo pulp, hair, fiber crops.
Embodiment 5: get the 30g sodium alginate and be dissolved in the sodium alginate soln that 970mL distilled water obtains 3% (mass percent), add the nano TiO 2 carrying argentum composite powder body with respect to sodium alginate mass percent 0.5% while stirring; With solution swelling 1h, stir 2h, then after filtration, and behind the vacuum deaerator 10h, consisting of 2% (mass percent) temperature be in the time of 25 ℃ in 25 ℃ the coagulating bath of calcium chloride water and prepare alginate fibre by wet spinning process, the tensile fiber rate can reach 30%.By U.S. AATCC Test Method 100 standard detection, the staphylococcus aureus bacteriostasis rate is reached more than 90%.Can be used as fibrous raw material, make medical adhesive-bonded fabric and purely spin or take with drapery etc. with fiber blend manufacturings such as cotton, viscose glue, bamboo pulp, hair, fiber crops.
Embodiment 6: get the 40g sodium alginate and be dissolved in the sodium alginate soln that 960mL distilled water obtains 4% (mass percent), add the nano TiO 2 carrying argentum composite powder body with respect to sodium alginate mass percent 1% while stirring; With solution swelling 3h, stir 5h, then after filtration with vacuum deaerator 16h after, in the time of 25 ℃, consisting of 4% (mass percent) temperature and be in 25 ℃ the coagulating bath of calcium chloride water and preparing alginate fibre by wet spinning process, the tensile fiber rate can reach 40%.By U.S. AATCC Test Method 100 standard detection, the staphylococcus aureus bacteriostasis rate is reached more than 95%.Can be used as fibrous raw material, make medical adhesive-bonded fabric and purely spin or take with drapery etc. with fiber blend manufacturings such as cotton, viscose glue, bamboo pulp, hair, fiber crops.
Embodiment 7: get the 80g sodium alginate and be dissolved in the sodium alginate soln that 920mL distilled water obtains 8% (mass percent), add the nano TiO 2 carrying argentum composite powder body with respect to sodium alginate mass percent 20% while stirring; With solution swelling 5h, stir 8h, then after filtration, and behind the vacuum deaerator 20h, consisting of 5% (mass percent) temperature be in the time of 30 ℃ in 30 ℃ the coagulating bath of calcium chloride water and prepare alginate fibre by wet spinning process, the tensile fiber rate can reach 50%.By U.S. AATCC Test Method 100 standard detection, the staphylococcus aureus bacteriostasis rate is reached more than 98%.Can be used as fibrous raw material, make medical adhesive-bonded fabric and purely spin or take with drapery etc. with fiber blend manufacturings such as cotton, viscose glue, bamboo pulp, hair, fiber crops.
Embodiment 8: get the 45g sodium alginate and be dissolved in the sodium alginate soln that 955mL distilled water obtains 4.5% (mass percent), add the nano titanium oxide composite granule with respect to sodium alginate mass percent 3% while stirring; With solution swelling 3h, stir 5h, then after filtration with vacuum deaerator 16h after, in the time of 25 ℃, consisting of 5% (mass percent) temperature and be in 25 ℃ the coagulating bath of calcium chloride water and preparing alginate fibre by wet spinning process, the tensile fiber rate can reach 50%.Press the GB/T17032-1997 standard detection, rate of ultraviolet shield is reached more than 80%.Can be used as fibrous raw material, purely spin or take and drapery etc. with fiber blend manufacturings such as cotton, viscose glue, bamboo pulp, hair, fiber crops.
Embodiment 9: get the 45g sodium alginate and be dissolved in the sodium alginate soln that 955mL distilled water obtains 4.5% (mass percent), add the nano titanium oxide composite granule with respect to sodium alginate mass percent 3% while stirring; With solution swelling 3h, stir 5h, then after filtration with vacuum deaerator 16h after, in the time of 25 ℃, consisting of 5% (mass percent) temperature and be in 25 ℃ the coagulating bath of calcium chloride water and preparing alginate fibre by wet spinning process, the tensile fiber rate can reach 50%.After testing, the normal emittance at 8-14 μ m spectral regions reaches more than 80%.Can be used as fibrous raw material, purely spin or take and drapery etc. with fiber blend manufacturings such as cotton, viscose glue, bamboo pulp, hair, fiber crops.
Embodiment 10: get the 40g sodium alginate and be dissolved in the sodium alginate soln that 960mL distilled water obtains 4% (mass percent), add while stirring with respect to sodium alginate mass percent 5% nano-negative ion generating material powder; With solution swelling 3h, stir 5h, then after filtration with vacuum deaerator 16h after, in the time of 25 ℃, consisting of 4% (mass percent) temperature and be in 25 ℃ the coagulating bath of calcium chloride water and preparing alginate fibre by wet spinning process, the tensile fiber rate can reach 40%.After testing, anion generation concentration is 4560/cm
3Can be used as fibrous raw material, make medical adhesive-bonded fabric and purely spin or take with drapery etc. with fiber blend manufacturings such as cotton, viscose glue, bamboo pulp, hair, fiber crops.
Embodiment 11: get the 40g sodium alginate and be dissolved in the sodium alginate soln that 960mL distilled water obtains 4% (mass percent), add antiseptic nano powder and chitosan microcapsules assembly thing with respect to sodium alginate mass percent 1% while stirring; With solution swelling 3h, stir 5h, then after filtration with vacuum deaerator 16h after, in the time of 25 ℃, consisting of 4% (mass percent) temperature and be in 25 ℃ the coagulating bath of calcium chloride water and preparing alginate fibre by wet spinning process, the tensile fiber rate can reach 40%.After testing, the staphylococcus aureus bacteriostasis rate is reached more than 95%.Can be used as fibrous raw material, make medical adhesive-bonded fabric and purely spin or take with drapery etc. with fiber blend manufacturings such as cotton, viscose glue, bamboo pulp, hair, fiber crops.
Embodiment 12: get the 40g sodium alginate and be dissolved in the sodium alginate soln that 960mL distilled water obtains 4% (mass percent), add the nanometer uvioresistant powder with respect to sodium alginate mass percent 3% while stirring; With solution swelling 3h, stir 5h, then after filtration with vacuum deaerator 16h after, in the time of 25 ℃, consisting of 4% (mass percent) temperature and be in 25 ℃ the coagulating bath of calcium chloride water and preparing alginate fibre by wet spinning process, the tensile fiber rate can reach 40%.After testing, the staphylococcus aureus bacteriostasis rate is reached more than 90%, rate of ultraviolet shield is reached more than 80%.Can be used as fibrous raw material, make medical adhesive-bonded fabric and purely spin or take with drapery etc. with fiber blend manufacturings such as cotton, viscose glue, bamboo pulp, hair, fiber crops.
Embodiment 13: get the 40g sodium alginate and be dissolved in the sodium alginate soln that 960mL distilled water obtains 4% (mass percent), add the nano-far-infrared powder with respect to sodium alginate mass percent 3% while stirring; With solution swelling 3h, stir 5h, then after filtration with vacuum deaerator 16h after, in the time of 25 ℃, consisting of 4% (mass percent) temperature and be in 25 ℃ the coagulating bath of calcium chloride water and preparing alginate fibre by wet spinning process, the tensile fiber rate can reach 40%.After testing, the normal emittance at 8-14 μ m spectral regions reaches more than 80%.Can be used as fibrous raw material, make medical adhesive-bonded fabric and purely spin or take with drapery etc. with fiber blend manufacturings such as cotton, viscose glue, bamboo pulp, hair, fiber crops.
Embodiment 14: get the 40g sodium alginate and be dissolved in the sodium alginate soln that 960mL distilled water obtains 4% (mass percent), add the assembly things such as antiseptic nano powder, nanometer uvioresistant powder, nano-far-infrared powder and nano-negative ion generation body with respect to sodium alginate mass percent 8% while stirring, each proportion of raw materials can freely be set as required in the assembly thing; With solution swelling 3h, stir 5h, then after filtration with vacuum deaerator 16h after, in the time of 25 ℃, consisting of 4% (mass percent) temperature and be in 25 ℃ the coagulating bath of calcium chloride water and preparing alginate fibre by wet spinning process, the tensile fiber rate can reach 40%.After testing, the staphylococcus aureus bacteriostasis rate is reached more than 90%; Rate of ultraviolet shield is reached more than 80%; Normal emittance at 8-14 μ m spectral regions reaches more than 80%; Anion generation concentration is 2580/cm
3Can be used as fibrous raw material, make medical adhesive-bonded fabric and purely spin or take with drapery etc. with fiber blend manufacturings such as cotton, viscose glue, bamboo pulp, hair, fiber crops.
Embodiment 15: get the 40g sodium alginate and be dissolved in the sodium alginate soln that 960mL distilled water obtains 4% (mass percent), add while stirring with respect to the antiseptic nano powder of sodium alginate mass percent 6% and the assembly thing of nanometer uvioresistant powder, nano-far-infrared powder or nano-negative ion generation body, two kinds of proportion of raw materials can freely be set as required in the assembly thing; With solution swelling 3h, stir 5h, then after filtration with vacuum deaerator 16h after, in the time of 25 ℃, consisting of 4% (mass percent) temperature and be in 25 ℃ the coagulating bath of calcium chloride water and preparing alginate fibre by wet spinning process, the tensile fiber rate can reach 40%.After testing, the staphylococcus aureus bacteriostasis rate is reached more than 85%; Rate of ultraviolet shield is reached more than 80%; Normal emittance at 8-14 μ m spectral regions reaches more than 80%; Anion generation concentration is 2580/cm
3Can be used as fibrous raw material, make medical adhesive-bonded fabric and purely spin or take with drapery etc. with fiber blend manufacturings such as cotton, viscose glue, bamboo pulp, hair, fiber crops.
Embodiment 16: get the 40g sodium alginate and be dissolved in the sodium alginate soln that 960mL distilled water obtains 4% (mass percent), add while stirring with respect to the antiseptic nano powder of sodium alginate mass percent 10% and the assembly thing of nanometer uvioresistant powder and nanometer powder far away or infrared and nano-negative ion generation body, three kinds of proportion of raw materials can freely be set as required in the assembly thing; With solution swelling 3h, stir 5h, then after filtration with vacuum deaerator 16h after, in the time of 25 ℃, consisting of 4% (mass percent) temperature and be in 25 ℃ the coagulating bath of calcium chloride water and preparing alginate fibre by wet spinning process, the tensile fiber rate can reach 40%.After testing, the staphylococcus aureus bacteriostasis rate is reached more than 95%; Rate of ultraviolet shield is reached more than 80%; Normal emittance at 8-14 μ m spectral regions reaches more than 80%; Anion generation concentration is 3780/cm
3Can be used as fibrous raw material, make medical adhesive-bonded fabric and purely spin or take with drapery etc. with fiber blend manufacturings such as cotton, viscose glue, bamboo pulp, hair, fiber crops.
Embodiment 2,6,8,9,10 gained fibers are carried out Mechanics Performance Testing, and test result sees Table one.
The mechanical property of table one calcium alginate fibre
| Dry state tensile strength cN/dtex | Water free breaking elongation rate % | Hygrometric state tensile strength cN/dtex | Hygrometric state elongation at break % | |
| Embodiment 2 embodiment 6 embodiment 8 embodiment 9 embodiment 10 | 1.86 1.95 1.88 1.92 1.87 | 11.20 13.73 10.89 11.30 11.36 | 2.06 2.32 2.18 2.20 2.06 | 22.44 24.36 20.83 20.93 20.92 |
Claims (10)
1, a kind of preparation method of common calcium alginate fibre is characterized in that following steps are arranged:
A is 3%～8% sodium alginate soln with the water-soluble mass percent of producing of an amount of sodium alginate;
B is 2%～5% calcium chloride solution with an amount of calcium chloride mass percent of producing soluble in water, produces coagulating bath;
C produces calcium alginate fibre with wet spinning with the sodium alginate soln that step a produces in the capacity coagulating bath that step b produces, the extensibility of fiber is 30%～50%.
2, the preparation method of common calcium alginate fibre according to claim 1 is characterized in that: described preparation method, among the step c in steps:
C1 with sodium alginate soln after filtration, behind the vacuum deaerator, in room temperature in coagulating bath with wet spinning.
3, the preparation method of common calcium alginate fibre according to claim 2 is characterized in that: described preparation method, among the step c1 in steps:
C11 through swelling 1～5h, stirs 2～8h with sodium alginate soln, then after filtration, and behind vacuum deaerator 10～20h, under 15～30 ℃ of conditions of room temperature in coagulating bath with wet spinning.
4, the preparation method of common calcium alginate fibre according to claim 3 is characterized in that: in described step c11, swelling time is 3h, and mixing time is 5h, and the vacuum deaerator time is 16h, and room temperature is 25 ℃.
5, a kind of preparation method of functional calcium alginate fiber is characterized in that following steps are arranged:
A is 3%～5% sodium alginate soln with the water-soluble mass percent of producing of an amount of sodium alginate;
B will join in the sodium alginate soln that has prepared with respect to the functional material of sodium alginate mass percent 0.5-20%, stirs, and makes the mixed liquor of sodium alginate and functional material;
C is 2%～5% calcium chloride solution with an amount of calcium chloride mass percent of producing soluble in water, produces coagulating bath;
D produces functional calcium alginate fiber with wet spinning process with sodium alginate and functional material mixed liquor that step b produces in the capacity coagulating bath that step c produces, the extensibility of fiber is 30%～50%.
6, the preparation method of functional calcium alginate fiber according to claim 5 is characterized in that: described preparation method, in the steps d in steps:
D1 with sodium alginate and functional material mixed liquor after filtration, behind the vacuum deaerator, in room temperature in coagulating bath with wet spinning.
7, the preparation method of the functional calcium alginate fiber of stating according to claim 6 is characterized in that: described preparation method, in the steps d 1 in steps:
D11 through swelling 1～5h, stirs 2～8h with sodium alginate and functional material mixed liquor, then after filtration, and behind vacuum deaerator 10～20h, in 15～30 ℃ in coagulating bath with wet spinning.
8, the preparation method of functional calcium alginate fiber according to claim 7 is characterized in that: in described steps d 11, swelling time is 3h, and mixing time is 5h, and the vacuum deaerator time is 16h, and room temperature is 25 ℃.
9, the preparation method of functional calcium alginate fiber according to claim 5 is characterized in that: described preparation method, and functional material comprises described in the step b:
Anti-biotic material: antiseptic nano powder and chitosan microcapsules;
Ultraviolet ray-resistant material: nanometer uvioresistant powder;
Far-infrared material: nano-far-infrared powder;
Negative ion generating body: nano-negative ion generation body;
One or more assembly wherein.
10, the fiber produced of the preparation method of claim 1 or 5 described common calcium alginate fibre/functional calcium alginate fibers, be used to make medical adhesive-bonded fabric, also can be used for pure spin or with cotton, viscose glue, bamboo pulp, hair, flax fiber blending make clothes with and FURNISHING FABRIC.
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