WO2016058109A1 - Preparation method for collagen modified superfine acrylic fibres - Google Patents
Preparation method for collagen modified superfine acrylic fibres Download PDFInfo
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- WO2016058109A1 WO2016058109A1 PCT/CN2014/000901 CN2014000901W WO2016058109A1 WO 2016058109 A1 WO2016058109 A1 WO 2016058109A1 CN 2014000901 W CN2014000901 W CN 2014000901W WO 2016058109 A1 WO2016058109 A1 WO 2016058109A1
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D1/00—Treatment of filament-forming or like material
- D01D1/02—Preparation of spinning solutions
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
- D01D10/02—Heat treatment
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/54—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polymers of unsaturated nitriles
Definitions
- the invention relates to a preparation method of ultrafine acrylic fiber, in particular to a preparation method of collagen modified ultrafine acrylic fiber.
- acrylic fiber is a kind of synthetic fiber. Because of its soft, fluffy and warmth, it is always favored by the market.
- acrylic fiber due to the relatively regular molecular structure of acrylic fiber, acrylic fiber is a synthetic fiber, which is a hydrophobic fiber. It lacks hydrophilic groups in macromolecules, has a tight molecular chain structure, and has high crystallinity and orientation. Its hydrophilicity is higher. Poor, traditional chemical modification consumes a lot of water and chemicals, which is not only complicated to operate, but also pollutes the environment.
- the electrospinning method is a device for producing polymer filaments by using electrostatic force.
- the prepared inorganic fiber structure can be controlled by solution properties, spinning parameters and post-treatment to achieve morphology and structure, and exhibits excellent properties in the field of textile materials. characteristic.
- Collagen is the most abundant protein in mammals. It has good hygroscopicity and skin-friendly properties. Combined with the chemical structure of acrylic fiber, it can effectively improve the hydrophilicity and fill the grooves and cracks on the surface of the fiber. Sexual ultra-fine acrylic fiber has a soft, smooth feel and has an imitation The effect of silk.
- a preparation method of collagen modified ultrafine acrylic fiber comprising:
- the solvent is one of dimethylformamide or dimethylacetamide.
- the mass fraction of collagen in the collagen solution is 3% to 7%.
- the mass ratio of the polyphenylene nitrile to the solvent is 1:9 to 1:5, and the mass fraction of the polyvinylpyrrolidone is 10%; in the step 2), the fiber polymer solution and the collagen The mass ratio of the solution is 5:1-3:1, and the standing time is 1-2 h; in the step 3), the additional electric field strength is 0.2 kv/cm-2 kv/cm, and the screen is received from the spinneret 10 -45 cm, calcination temperature is 400-650 °C.
- the mass ratio of the polyphenylene nitrile to the solvent is 1:6, the mass percentage of the polyvinylpyrrolidone is 10%; and in the step 2), the mass ratio of the fiber polymer solution to the collagen solution 4:1, the rest time is 1 h; in step 3), the additional electric field strength is 1 kv/cm, the screen is 25 cm from the spinneret, and the calcination temperature is 550 °C.
- the ultrafine acrylic fiber has a diameter of 100 to 300 nm.
- the collagen-modified ultrafine acrylic fiber is used, and since the collagen has good hygroscopicity, skin-friendly property and the like, combined with the chemical structural characteristics of the acrylic fiber, the hydrophilicity can be effectively improved, and the grooves and cracks on the surface of the fiber are filled.
- the modified ultra-fine acrylic fiber has a soft touch and a smooth feel, and has the effect of silk-like silk.
- the polyacrylonitrile was dissolved in a solvent at a mass ratio of 1:9, 10% polyvinylpyrrolidone was added, and the fiber polymer solution was prepared by stirring uniformly; the solvent was dimethylacetamide.
- the spinning solution is added to an electrospinning machine for electrospinning, the additional electric field strength is 0.2 kv/cm, the screen is 10 cm from the spinneret, and the calcination temperature is 400 ° C to obtain collagen-modified microfiber. .
- the polyacrylonitrile was dissolved in a solvent at a mass ratio of 1:5, 10% polyvinylpyrrolidone was added, and the fiber polymer solution was prepared by stirring uniformly; the solvent was dimethylformamide.
- the spinning solution was added to an electrospinning machine for electrospinning, an additional electric field strength of 2 kV/cm, a screen distance of 45 cm from the spinneret, and a calcination temperature of 650 ° C to prepare a collagen-modified ultrafine fiber.
- the polyacrylonitrile was dissolved in a solvent at a mass ratio of 1:6, 10% polyvinylpyrrolidone was added, and the fiber polymer solution was prepared by stirring uniformly; the solvent was dimethylformamide.
- the spinning solution was added to an electrospinning machine for electrospinning, the additional electric field strength was 1 kv/cm, the screen was opened at a distance of 25 cm from the spinneret, and the calcination temperature was 550 ° C to obtain collagen modification. superfine fiber.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Artificial Filaments (AREA)
Abstract
A preparation method for collagen modified superfine acrylic fibres, the method comprising: dissolving polyacrylonitrile in a solvent, adding polyvinylpyrrolidone, and stirring evenly to prepare a fibre polymer solution; in a 40oC environment, adding a collagen solution to the fibre polymer solution, and magnetically stirring until even, the resulting solution acting as a spinning solution after standing; pouring the spinning solution into a jetting device, spinning under the effect of an additional electric field, depositing into a collecting device by controlling the spinning time and moving a receiving screen, baking, and obtaining the collagen modified superfine acrylic fibres. Via the preparation method, the structural controllability of a fabric can be improved, and the modified acrylic fibres have a soft, smooth feel and the effect of imitating silk.
Description
本发明涉及一种超细腈纶的制备方法,特别是涉及一种胶原蛋白改性的超细腈纶的制备方法。The invention relates to a preparation method of ultrafine acrylic fiber, in particular to a preparation method of collagen modified ultrafine acrylic fiber.
目前,随着人们生活水平的日益提高,消费观念的不断更新,消费者对腈纶纺织品,对其质量、品种、颜色等的要求越来越高。普遍使用的腈纶是一种合成纤维,因其手感柔软、蓬松、保暖性好,可替代羊毛的特点始终受到市场的青睐。但由于腈纶的分子结构比较规整,但由于腈纶是合成纤维,属于疏水性纤维,大分子中缺乏亲水性基团,分子链结构紧密,结晶度和取向度均较高,其亲水性较差,传统的化学改性要消耗大量的水和化学药品,不仅操作复杂,而且污染环境。At present, with the increasing living standards of people and the constant renewal of consumer concepts, consumers are increasingly demanding the quality, variety and color of acrylic textiles. The commonly used acrylic fiber is a kind of synthetic fiber. Because of its soft, fluffy and warmth, it is always favored by the market. However, due to the relatively regular molecular structure of acrylic fiber, acrylic fiber is a synthetic fiber, which is a hydrophobic fiber. It lacks hydrophilic groups in macromolecules, has a tight molecular chain structure, and has high crystallinity and orientation. Its hydrophilicity is higher. Poor, traditional chemical modification consumes a lot of water and chemicals, which is not only complicated to operate, but also pollutes the environment.
静电纺丝方法是一种利用静电力生产聚合物细丝的装置,制备的无机纤维结构可通过溶液性质、纺丝参数以及后处理实现形态、结构的可控,在纺织材料领域展现出优异的特性。The electrospinning method is a device for producing polymer filaments by using electrostatic force. The prepared inorganic fiber structure can be controlled by solution properties, spinning parameters and post-treatment to achieve morphology and structure, and exhibits excellent properties in the field of textile materials. characteristic.
综上所述,目前迫切需要一种胶原蛋白改性的超细腈纶的制备方法,能够改善提高织物的结构可控性,改性腈纶纤维具有手感柔软、滑糯,具有仿蚕丝的效果。In summary, there is an urgent need for a method for preparing a collagen-modified ultrafine acrylic fiber, which can improve the structural controllability of the fabric, and the modified acrylic fiber has a soft touch, a smooth crepe, and a silk-like effect.
发明内容Summary of the invention
胶原蛋白是哺乳动物体中含量最丰富的蛋白质,具有良好的吸湿性、亲肤性等性能,结合腈纶的化学结构特点,能够有效改善亲水性差,填充纤维表面的沟槽和裂缝,使改性的超细腈纶具有手感柔软、滑糯,具有仿
蚕丝的效果。Collagen is the most abundant protein in mammals. It has good hygroscopicity and skin-friendly properties. Combined with the chemical structure of acrylic fiber, it can effectively improve the hydrophilicity and fill the grooves and cracks on the surface of the fiber. Sexual ultra-fine acrylic fiber has a soft, smooth feel and has an imitation
The effect of silk.
为实现上述发明目的,本发明所提供的技术方案是:In order to achieve the above object, the technical solution provided by the present invention is:
一种胶原蛋白改性的超细腈纶的制备方法,包括:A preparation method of collagen modified ultrafine acrylic fiber, comprising:
1)将聚丙烯腈溶解于溶剂中,加入聚乙烯吡咯烷酮,搅拌均匀制备纤维聚合物溶液;1) dissolving polyacrylonitrile in a solvent, adding polyvinylpyrrolidone, and uniformly preparing a fiber polymer solution;
2)在40℃的环境下,向纤维聚合物溶液中加入胶原蛋白溶液,磁力搅拌至均匀,静置后作为喷丝溶液;2) adding a collagen solution to the fiber polymer solution under the environment of 40 ° C, magnetically stirring until uniform, and standing as a spinning solution after standing;
3)将所述喷丝溶液灌入喷射器中,在附加电场的作用下喷丝,通过控制喷丝时间和移动接受屏,沉积在收集装置中,焙烧,获得蛋白胶原改性超细腈纶。3) pouring the spinning solution into the ejector, spinning under the action of an additional electric field, depositing in the collecting device by controlling the spinning time and moving the receiving screen, and roasting to obtain the protein collagen modified ultrafine acrylic fiber.
进一步地,所述溶剂为二甲基甲酰胺或二甲基乙酰胺中的一种。Further, the solvent is one of dimethylformamide or dimethylacetamide.
进一步地,所述胶原蛋白溶液中胶原蛋白的质量分数为3%-7%。Further, the mass fraction of collagen in the collagen solution is 3% to 7%.
进一步地,在步骤1)中,聚苯烯腈与溶剂的质量比为1:9-1:5,聚乙烯吡咯烷酮的质量分数为10%;在步骤2)中,纤维聚合物溶液和胶原蛋白溶液的质量比为5:1-3:1,静置时间为1-2h;在步骤3)中,所述附加电场场强为0.2kv/cm-2kv/cm,接受屏距离喷丝口10-45cm,焙烧温度为400-650℃。Further, in the step 1), the mass ratio of the polyphenylene nitrile to the solvent is 1:9 to 1:5, and the mass fraction of the polyvinylpyrrolidone is 10%; in the step 2), the fiber polymer solution and the collagen The mass ratio of the solution is 5:1-3:1, and the standing time is 1-2 h; in the step 3), the additional electric field strength is 0.2 kv/cm-2 kv/cm, and the screen is received from the spinneret 10 -45 cm, calcination temperature is 400-650 °C.
进一步地,在步骤1)中,聚苯烯腈与溶剂的质量比为1:6,聚乙烯吡咯烷酮的质量百分数为10%;在步骤2)中,纤维聚合物溶液和胶原蛋白溶液的质量比为4:1,静置时间为1h;在步骤3)中,所述附加电场场强为1kv/cm,接受屏距离喷丝口25cm,焙烧温度为550℃。Further, in the step 1), the mass ratio of the polyphenylene nitrile to the solvent is 1:6, the mass percentage of the polyvinylpyrrolidone is 10%; and in the step 2), the mass ratio of the fiber polymer solution to the collagen solution 4:1, the rest time is 1 h; in step 3), the additional electric field strength is 1 kv/cm, the screen is 25 cm from the spinneret, and the calcination temperature is 550 °C.
进一步地,所述超细腈纶纤维的直径为100-300nm。Further, the ultrafine acrylic fiber has a diameter of 100 to 300 nm.
采用上述技术方案,本发明的有益效果有:With the above technical solutions, the beneficial effects of the present invention are as follows:
在本发明中使用胶原蛋白改性超细腈纶,由于胶原蛋白具有良好的吸湿性、亲肤性等性能,结合腈纶的化学结构特点,能够有效改善亲水性差,填充纤维表面的沟槽和裂缝,使改性的超细腈纶具有手感柔软、滑糯,具有仿蚕丝的效果。
In the present invention, the collagen-modified ultrafine acrylic fiber is used, and since the collagen has good hygroscopicity, skin-friendly property and the like, combined with the chemical structural characteristics of the acrylic fiber, the hydrophilicity can be effectively improved, and the grooves and cracks on the surface of the fiber are filled. The modified ultra-fine acrylic fiber has a soft touch and a smooth feel, and has the effect of silk-like silk.
实施例1Example 1
将聚丙烯腈溶解于溶剂中,质量比为1:9,加入10%的聚乙烯吡咯烷酮,搅拌均匀后制备纤维聚合物溶液;溶剂为二甲基乙酰胺。The polyacrylonitrile was dissolved in a solvent at a mass ratio of 1:9, 10% polyvinylpyrrolidone was added, and the fiber polymer solution was prepared by stirring uniformly; the solvent was dimethylacetamide.
在40℃的环境下,向纤维聚合物溶液中加入3%的胶原蛋白溶液,纤维聚合物溶液和胶原蛋白溶液质量比的5:1,磁力搅拌至均匀,静置1h后作为喷丝溶液。In a 40 ° C environment, a 3% collagen solution was added to the fiber polymer solution, and the mass ratio of the fiber polymer solution to the collagen solution was 5:1, magnetically stirred until uniform, and allowed to stand for 1 h as a spin solution.
将喷丝溶液加入至静电纺丝机中,进行静电纺丝,附加电场场强为0.2kv/cm,接受屏距离喷丝口10cm,焙烧温度为400℃,制得胶原蛋白改性超细纤维。The spinning solution is added to an electrospinning machine for electrospinning, the additional electric field strength is 0.2 kv/cm, the screen is 10 cm from the spinneret, and the calcination temperature is 400 ° C to obtain collagen-modified microfiber. .
实施例2Example 2
将聚丙烯腈溶解于溶剂中,质量比为1:5,加入10%的聚乙烯吡咯烷酮,搅拌均匀后制备纤维聚合物溶液;溶剂为二甲基甲酰胺。The polyacrylonitrile was dissolved in a solvent at a mass ratio of 1:5, 10% polyvinylpyrrolidone was added, and the fiber polymer solution was prepared by stirring uniformly; the solvent was dimethylformamide.
在40℃的环境下,向纤维聚合物溶液中加入7%的胶原蛋白溶液,纤维聚合物溶液和胶原蛋白溶液质量比的3:1,磁力搅拌至均匀,静置2h后作为喷丝溶液。In a 40 ° C environment, a 7% collagen solution was added to the fiber polymer solution, and the mass ratio of the fiber polymer solution to the collagen solution was 3:1, magnetically stirred until uniform, and allowed to stand as a spin solution after standing for 2 hours.
将喷丝溶液加入至静电纺丝机中,进行静电纺丝,附加电场场强为2kv/cm,接受屏距离喷丝口45cm,焙烧温度为650℃,制得胶原蛋白改性超细纤维。The spinning solution was added to an electrospinning machine for electrospinning, an additional electric field strength of 2 kV/cm, a screen distance of 45 cm from the spinneret, and a calcination temperature of 650 ° C to prepare a collagen-modified ultrafine fiber.
实施例3Example 3
将聚丙烯腈溶解于溶剂中,质量比为1:6,加入10%的聚乙烯吡咯烷酮,搅拌均匀后制备纤维聚合物溶液;溶剂为二甲基甲酰胺。The polyacrylonitrile was dissolved in a solvent at a mass ratio of 1:6, 10% polyvinylpyrrolidone was added, and the fiber polymer solution was prepared by stirring uniformly; the solvent was dimethylformamide.
在40℃的环境下,向纤维聚合物溶液中加入5%的胶原蛋白溶液,纤维聚合物溶液和胶原蛋白溶液质量比的4:1,磁力搅拌至均匀,静置1h后作为喷丝溶液。In a 40 ° C environment, a 5% collagen solution was added to the fiber polymer solution, and the mass ratio of the fiber polymer solution to the collagen solution was 4:1, magnetically stirred until uniform, and allowed to stand for 1 h as a spin solution.
将喷丝溶液加入至静电纺丝机中,进行静电纺丝,附加电场场强为1kv/cm,接受屏距离喷丝口25cm,焙烧温度为550℃,制得胶原蛋白改性
超细纤维。The spinning solution was added to an electrospinning machine for electrospinning, the additional electric field strength was 1 kv/cm, the screen was opened at a distance of 25 cm from the spinneret, and the calcination temperature was 550 ° C to obtain collagen modification.
superfine fiber.
以上所述实施例仅表达了本发明的实施方式,其描述较为具体和详细,但并不能因此而理解为对本发明专利范围的限制。应当指出的是,对于本领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。
The above-mentioned embodiments are merely illustrative of the embodiments of the present invention, and the description thereof is not to be construed as limiting the scope of the invention. It should be noted that a number of variations and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention.
Claims (6)
- 一种胶原蛋白改性的超细腈纶的制备方法,其特征在于,包括:A preparation method of collagen modified ultrafine acrylic fiber, characterized in that it comprises:1)将聚丙烯腈溶解于溶剂中,加入聚乙烯吡咯烷酮,搅拌均匀制备纤维聚合物溶液;1) dissolving polyacrylonitrile in a solvent, adding polyvinylpyrrolidone, and uniformly preparing a fiber polymer solution;2)在40℃的环境下,向纤维聚合物溶液中加入胶原蛋白溶液,磁力搅拌至均匀,静置后作为喷丝溶液;2) adding a collagen solution to the fiber polymer solution under the environment of 40 ° C, magnetically stirring until uniform, and standing as a spinning solution after standing;3)将所述喷丝溶液灌入喷射器中,在附加电场的作用下喷丝,通过控制喷丝时间和移动接受屏,沉积在收集装置中,焙烧,获得蛋白胶原改性超细腈纶。3) pouring the spinning solution into the ejector, spinning under the action of an additional electric field, depositing in the collecting device by controlling the spinning time and moving the receiving screen, and roasting to obtain the protein collagen modified ultrafine acrylic fiber.
- 根据权利要求1所述的胶原蛋白改性的超细腈纶的制备方法,其特征在于,所述溶剂为二甲基甲酰胺或二甲基乙酰胺中的一种。The method for producing a collagen-modified ultrafine acrylic fiber according to claim 1, wherein the solvent is one of dimethylformamide or dimethylacetamide.
- 根据权利要求1所述的胶原蛋白改性的超细腈纶的制备方法,其特征在于,所述胶原蛋白溶液中胶原蛋白的质量分数为3%-7%。The method for preparing a collagen-modified ultrafine acrylic fiber according to claim 1, wherein the collagen solution has a mass fraction of collagen of 3% to 7%.
- 根据权利要求1所述的胶原蛋白改性的超细腈纶的制备方法,其特征在于,在步骤1)中,聚苯烯腈与溶剂的质量比为1:9-1:5,聚乙烯吡咯烷酮的质量分数为10%;在步骤2)中,纤维聚合物溶液和胶原蛋白溶液的质量比为5:1-3:1,静置时间为1-2h;在步骤3)中,所述附加电场场强为0.2kv/cm-2kv/cm,接受屏距离喷丝口10-45cm,焙烧温度为400-650℃。The method for preparing a collagen-modified ultrafine acrylic fiber according to claim 1, wherein in the step 1), the mass ratio of the polyphenylene nitrile to the solvent is 1:9 to 1:5, and the polyvinylpyrrolidone The mass fraction is 10%; in step 2), the mass ratio of the fiber polymer solution to the collagen solution is 5:1-3:1, and the rest time is 1-2 h; in step 3), the additional The electric field strength is 0.2kv/cm-2kv/cm, the receiving screen is 10-45cm from the spinning port, and the baking temperature is 400-650°C.
- 根据权利要求4所述的胶原蛋白改性的超细腈纶的制备方法,其特征在于,在步骤1)中,聚苯烯腈与溶剂的质量比为1:6,聚乙烯吡咯烷酮的质量百分数为10%;在步骤2)中,纤维聚合物溶液和胶原蛋白溶液的质量比为4:1,静置时间为1h;在步骤3)中,所述附加电场场强为1kv/cm,接受屏距离喷丝口25cm,焙烧温度为550℃。The method for preparing a collagen-modified ultrafine acrylic fiber according to claim 4, wherein in the step 1), the mass ratio of the polyphenylene nitrile to the solvent is 1:6, and the mass percentage of the polyvinylpyrrolidone is 10%; in step 2), the mass ratio of the fiber polymer solution to the collagen solution is 4:1, and the rest time is 1 h; in step 3), the additional electric field strength is 1 kv/cm, accepting the screen The spinneret was 25 cm away and the calcination temperature was 550 °C.
- 根据权利要求1-5任一项所述的胶原蛋白改性的超细腈纶的制备方法,其特征在于,所述超细腈纶纤维的直径为100-300nm。 The method for producing a collagen-modified ultrafine acrylic fiber according to any one of claims 1 to 5, wherein the ultrafine acrylic fiber has a diameter of from 100 to 300 nm.
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PCT/CN2014/000901 WO2016058109A1 (en) | 2014-10-13 | 2014-10-13 | Preparation method for collagen modified superfine acrylic fibres |
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