46results about How to "Does not affect spinnability" patented technology

The invention relates to acidic dyeable polyester and a method for preparing acidic dyeable polyester chip and fiber. The method comprises the steps of performing transesterification or esterification to p-phenyl dimethyl formate or p-phenyl dicarboxylic acid and glycol, adding polyamide such as nylon 6 and / or nylon 66 during polyester polymerization so as to prepare polyester chip, drying the polyester chip and using a conventional spinning machine to spin so as to prepare the polyester fiber used for the dyeing of acid dye. The polyester fiber thoroughly solves the problem that polyester and polyamide are not compatible, ensures uniform dyeing of acid dye, and enables spinning workstage to proceed smoothly. In addition, as the preparation of the polymer adopts a process similar to polyester polymerization for polymerization on a common polyester polymerization device, the method is simple to operate, easy to perform industrial production and low in cost.

The invention relates to a stock solution for spinning phenolic fibers (PFs). The stock solution comprises the following raw materials: phenol, a 30 to 40 weight percent formaldehyde solution, a 6 to 18 weight percent polyvinyl alcohol (PVA) solution and a catalyst in a mass ratio of 100:(90-200):(40-250):(8-40). The stock solution has the advantages that: spinnability is high, the spinnable viscosity interval is wide, and the intrinsic properties of the PFs are not influenced by an additive.

The invention discloses a nano-titanium nitride anti-ultraviolet polyester fiber. The fiber contains nano-titanium nitride with a concentration of 0.5%-2% by weight and has an anti-ultraviolet function. The fiber is made of nano-titanium nitride, other additives and carriers to make a masterbatch, and the masterbatch is added to polyester chips and melt-spun. The addition of nano-titanium nitride makes the polyester fiber have good anti-ultraviolet function; and does not affect its spinnability; the average ultraviolet shielding rate of the spun anti-ultraviolet functional polyester fiber is above 85%; at the same time, it does not affect people's health. Nano-titanium nitride anti-ultraviolet polyester fiber can be widely used in outerwear, sportswear, trousers and other fields.

The invention provides an antibacterial bamboo charcoal viscose fiber and a preparation method thereof, which meet demands of clients in a product market and solve the problem that the conventional bamboo charcoal viscose fiber is poor in spinning property. The antibacterial bamboo charcoal viscose fiber is characterized by being obtained by mixing an antibacterial bamboo charcoal solution with viscose through injection before spinning, and carrying out wet spinning and post-treatment, wherein the antibacterial bamboo charcoal solution is formed by mixing an antibacterial solution and a bamboo charcoal solution. The fiber comprises the components by weight percent: 0.01-10 percent of an antibacterial agent and 0.1-10 percent of bamboo charcoal; the bacteriostasis rate is more than or equal to 90 percent; the ammonia absorption rate is more than or equal to 50 percent; the air permeability is more than or equal to 500mm / s; the color fastness to washing is of 4-5 level. The antibacterial bamboo charcoal viscose fiber has functions of ultraviolet prevention and deodorization and is high in air permeability and absorptivity; furthermore, the antibacterial effect of the antibacterial bamboo charcoal viscose fiber is better than that of the common bamboo charcoal fiber; the breaking strength of the fiber is high, and the cost is low.

The invention provides an aromaticity bamboo charcoal fiber and a preparation method thereof in order to meet demands of clients in a product market and solve the problem that the conventional bamboo charcoal viscose fiber is poor in spinning property. The aromaticity bamboo charcoal fiber is characterized in that a finished product is obtained by taking cellulose fiber pulp as a raw material, mixing an aromaticity bamboo charcoal solution and viscose through injection before spinning and performing wet spinning and post-treatment, wherein the aromaticity bamboo charcoal solution is prepared by mixing fragrant masterbatches and a bamboo charcoal solution; the fragrant masterbatches contain perfumes; the fragrant perfume content of the fiber is 0.01-10 percent; the bamboo charcoal content is 0.1-10 percent; the ammonia absorption rate is more than or equal to 50 percent; the air permeability is more than or equal to 500mm / s; the color fastness to washing is of 4-5 level. The aromaticity bamboo charcoal fiber disclosed by the invention has the functions of bacterium and ultraviolet prevention and deodorization, is high in air permeability and hygroscopicity, can effectively and continuously scatter fragrance and has the effects of relieving pressure and enabling people to be invigorating.

The invention relates to acidic dyeable polyester and a method for preparing acidic dyeable polyester chip and fiber. The method comprises the steps of performing transesterification or esterification to p-phenyl dimethyl formate or p-phenyl dicarboxylic acid and glycol, adding polyamide such as nylon 6 and / or nylon 66 during polyester polymerization so as to prepare polyester chip, drying the polyester chip and using a conventional spinning machine to spin so as to prepare the polyester fiber used for the dyeing of acid dye. The polyester fiber thoroughly solves the problem that polyester and polyamide are not compatible, ensures uniform dyeing of acid dye, and enables spinning workstage to proceed smoothly. In addition, as the preparation of the polymer adopts a process similar to polyester polymerization for polymerization on a common polyester polymerization device, the method is simple to operate, easy to perform industrial production and low in cost.

In order to meet the needs of customers in the product market and solve the problem of poor spinnability of the bamboo charcoal viscose fiber, the invention provides a nano-copper bamboo charcoal viscose fiber and a preparation method thereof. It is characterized in that: the nano-copper bamboo charcoal solution is mixed with viscose by pre-spinning injection, and the finished product is obtained through wet spinning and post-processing. By weight, the nano-copper content in the fiber is 0.01~5%, the bamboo charcoal content is 0.1~10%, the ammonia absorption rate is ≥50%, the air permeability is ≥500mm / s, and the color fastness to washing is 4~5. The nano-copper bamboo charcoal viscose fiber of the present invention not only has anti-ultraviolet and deodorizing functions, but also has good air permeability and absorbency, and the antibacterial effect is stronger than that of ordinary bamboo charcoal fiber, the fiber has high breaking strength and low cost.

The invention relates to regenerated cellulose fiber containing Binchotan and a preparation method of the regenerated cellulose fiber. The regenerated cellulose fiber containing the Binchotan, provided by the invention, is characterized in that Binchotan powder, regenerated celluloses and the like are adopted as raw materials, Binchotan dispersing liquid is formed by uniformly dispersing the Binchotan powder in water, a viscose spinning solution is prepared simultaneously, and a pre-spinning injection method is adopted to add the Binchotan dispersing liquid into the viscose spinning solution for spinning, thereby obtaining a finished product. The regenerated cellulose fiber containing Binchotan and the preparation method of the regenerated cellulose fiber provided by the invention have thebenefits: in the regenerated cellulose fiber containing the Binchotan, the adding amount of the Binchotan is 1.5-10 percent by weight of alpha-celluloses, the ammonia absorption rate is more than orequal to 50 percent, the air permeability is more than or equal to 600 mm / s, the washing resistance is realized, and the color fastness is grade 4-5. The regenerated cellulose fiber provided by the invention has an antibacterial rate of 95 percent, a remarkable antibacterial effect, a far infrared emissivity of 88.5 percent, a remarkable far infrared emission function, an ammonia adsorption rate of more than or equal to 50 percent and a remarkable deodorization function; a prepared textile product has the characteristics of being smooth, fine and good in hygroscopicity.

The invention relates to a method for preparing high-tenacity low-elongation polyamide 6 fibers. The method for preparing high-tenacity low-elongation polyamide 6 fibers comprises the following steps of: 1) fusion: sliding pre-dried polyamide 6 and performing fusion to obtain spinning solution; 2) spinning: performing spinning by enabling the spinning solution to enter a spinning component, wherein monofilaments are sprayed out from a spinneret plate; 3) bundling and oiling: bundling the monofilaments reaching a bundling and oiling point and oiling the surface of a bundle, wherein spinning oil contains polyamide chain extender and ultraviolet screening agent; 4)hot drawing: enabling oiled bundle to sequentially pass through No.1 combined rollers, No.2 combined rollers and No.3 combined rollers to perform hot drawing; 5) winding: enabling the bundle after hot drawing to pass through a separate interlacer and winding at a winding head to obtain high-tenacity low-elongation polyamide 6 fibers. The polyamide 6 fibers prepared by adopting the method disclosed by the invention has the characteristics of high tenacity and low elongation, the addition of functional additives does not influence the spinnability and fiber performance of the spinning solution, and the sunlight resistance, high temperature resistance and oxidation aging resistance of the fibers can be effectively improved.

In order to make up for the blank of the current far -infrared bamboo charcoal sticky glue fiber and solve the problem of poor texture of bamboo charcoal sticky fiber, it provides a method of far -infrared bamboo charcoal sticky fiber and its preparation method.It is characterized by: according to the weight meter, the content of far -infrared ceramic powder in the fiber is 1 ~ 10%, the content of bamboo charcoal is 0.1 ~ 10%, the far -infrared emission rate is> 80%, the ammonia absorption rate is ≥50%, the breathability is ≥500mm / s, the water -resistant washing resistance is resistant to water washingSection 4 ~ 5.The far -infrared vibraous glue fiber of the invention not only has the effect of insulation, but also the radiation far -infrared rays also have a health care function of activating cell tissue and promoting blood circulation.

The invention provides an antibacterial and antiviral modification method of an electret melt-blown non-woven fabric. Firstly, a powder antibacterial agent is subjected to high-voltage electric polarization, and then the powder antibacterial agent is filtered and adsorbed through an electret melt-blown non-woven fabric in a powder antibacterial agent airflow blowing mode, so that the powder nano-antibacterial agent is attached to the surfaces of fibers of the electret melt-blown non-woven fabric through an electrostatic adsorption effect, and the electret melt-blown cloth with excellent antibacterial and virus-killing performance is prepared. In the whole modification process, no harsh technical conditions are needed, the electrostatic adsorption effect of the melt-blown non-woven fabric is not changed or reduced, no adhesive covers, the antibacterial and virus-killing performance of the powder nano-antibacterial agent can be exerted to the maximum extent, and the antibacterial and virus-killing performance of the melt-blown non-woven fabric is improved. The electrostatic effect and filtering permeability of the electret melt-blown non-woven fabric are reserved to the maximum extent, and the electret melt-blown non-woven fabric has important market economic value.

In order to meet the needs of customers in the product market and solve the problem of poor spinnability of the bamboo charcoal viscose fiber, the invention provides an antibacterial bamboo charcoal viscose fiber and a preparation method thereof. It is characterized in that: the antibacterial bamboo charcoal solution is mixed with viscose by pre-spinning injection, and the finished product is obtained through wet spinning and post-treatment. The antibacterial bamboo charcoal solution is formed by mixing the antibacterial solution and bamboo charcoal solution. Antibacterial agent 0.01~10%, bamboo charcoal 0.1~10%, antibacterial rate ≥ 90%, ammonia absorption rate ≥ 50%, air permeability ≥ 500mm / s, color fastness to washing 4-5. The antibacterial bamboo charcoal viscose fiber of the present invention not only has anti-ultraviolet and deodorizing functions, but also has good air permeability and absorbency, and the antibacterial effect is stronger than ordinary bamboo charcoal fiber, the breaking strength of the fiber is high, and the cost is low.

In order to meet the needs of customers in the product market and solve the problem of poor spinnability of bamboo charcoal viscose fiber, the invention provides an aromatic bamboo charcoal fiber and a production process thereof. It is characterized in that: using cellulose fiber pulp as raw material, the aromatic bamboo charcoal solution is mixed with viscose by pre-spinning injection, and the finished product is obtained through wet spinning and post-treatment. The aromatic bamboo charcoal solution is composed of aromatic masterbatch and Bamboo charcoal solution is mixed, aromatic masterbatch contains fragrance, aromatic fragrance content in fiber is 0.01~10%, bamboo charcoal content is 0.1~10%, ammonia absorption rate is ≥50%, air permeability is ≥500mm / s, color fastness to washing is 4 ~Level 5. The aromatic bamboo charcoal fiber of the present invention not only has antibacterial, anti-ultraviolet, and deodorizing functions, but also has good air permeability and absorbability, and can effectively and continuously emit aromatic odors, and has the effect of relieving stress and making people feel refreshed.

The invention relates to the field of spinning, and discloses a preparation method of multi-irregular composite nylon 6 fiber. The method comprises preparation of fully drawn yarn (FDY) and preparation of polyester pre-oriented yarn (POY). The preparation of the FDY comprises the following steps: (1) mixing; (2) spinning; (3) drawing. The preparation of the POY comprises the following steps: (1) mixing; (2) spinning; (3) guiding yarn. The multi-irregular composite nylon 6 fiber is prepared by merging the prepared FDY and the prepared POY on a guide roller No. 3, then compounding the mixed fiber on a subpackage type interlacer, and finally winding by using a winding device. By reforming and optimizing the existing production line for the nylon 6 fiber, the comprehensive compound modification such as multiple components, multiple functions, various colors and multiple irregular cross sections for the nylon fiber can be realized while not influencing the spinnability of fiber production, the types and styles of fiber and fabric can be greatly enriched, the application space and field of the fiber are expanded, and the application field of the product is improved. The preparation method is high in efficiency, low in cost and good in stability.

In order to make up the blank of the current pupa protein bamboo charcoal viscose fiber and solve the problem of poor spinnability of the bamboo charcoal viscose fiber, the present invention provides a pupa protein bamboo charcoal viscose fiber and a preparation method thereof. It is characterized in that: the bamboo charcoal slurry is mixed with pupa protein solution and viscose by injection before spinning, and the finished product is obtained through wet spinning and post-processing; by weight, the protein content in the fiber is 0.1-25%, and the bamboo charcoal content is 0.1-10%. , Ammonia absorption rate ≥ 50%, air permeability ≥ 500mm / s, color fastness to washing 4~5 grades. The pupal protein bamboo charcoal viscose fiber of the present invention not only has antibacterial, anti-ultraviolet and deodorizing functions, but also has good air permeability and hygroscopicity, and is soft to the touch, full of silk-like luster, and has very good wearability.

In order to meet the needs of customers in the product market and solve the problem of poor spinnability of the bamboo charcoal viscose fiber, the invention provides a trilobal bamboo charcoal viscose fiber and a production process thereof. It is characterized in that: the bamboo charcoal pulp is mixed with viscose by pre-spinning injection, and obtained by wet spinning and post-treatment; the cross section of the fiber is trilobal, and the aspect ratio of the cross section is 10~200:1; the bamboo charcoal The content is 0.1~10% of the total weight of the fiber, the ammonia absorption rate is ≥60%, the air permeability is ≥500mm / s, and the color fastness to washing is 4~5. The trilobal bamboo charcoal viscose fiber of the present invention has a large surface area of ​​the fiber cortex, and under the premise of maintaining the sterilization, deodorization, far infrared, and odor absorption effects of the bamboo charcoal viscose fiber, the hygroscopicity is better, and the additional value of the product can be greatly improved. , more comfortable to wear, and maximize the excellent characteristics of bamboo charcoal fiber.