Composite washable polyester warp knitted fabric and production method thereof

Abstract

The invention relates to the technical field of polyester warp-knitted fabrics, in particular to a composite washable polyester warp-knitted fabric and a production method thereof.The production method includes the steps that firstly, linen fibers and bamboo fibers are blended according to the weight ratio of 3: 1 to form blended yarns; spandex fibers and polyester fibers are mixed according to the weight ratio of 1: 5, and spandex-coated polyester yarns are obtained through the fiber mixing technology; 2, the blended yarn, the spandex-coated polyester yarn and 80D polyester are subjected to warp knitting according to the weight ratio of 4: 3: 1, and knitted gray fabric is obtained; 3, the knitted gray fabric is placed in sufficient dye to be dyed, after dyeing is finished, the knitted gray fabric is taken out and dried, and the composite washable polyester warp-knitted fabric can be obtained. According to the polyester fabric, blended yarn, spandex-coated polyester yarn and 80D polyester are adopted according to the weight ratio of 4: 3: 1, knitted grey cloth is obtained through warp knitting, and meanwhile dyeing improvement is conducted through dye.

Description

Technical Field

[0001] The invention relates to the technical field of polyester warp knitted fabrics, and in particular to a composite washable polyester warp knitted fabric and a production method thereof. Background Art

[0002] With the development of society, the field of fabric technology has made great progress. Whether it is pure cotton fabric or chemical fiber fabric, its application field is very wide. The existing polyester fabric has poor antibacterial property, and the color fastness and anti-fouling performance of the product are not ideal. It is difficult for the product to achieve coordinated improvement in antibacterial property, color fastness and anti-fouling. The product also has poor washing resistance and corrosion resistance, which limits the efficiency of product use. Summary of the invention

[0003] In view of the defects of the prior art, the purpose of the present invention is to provide a composite washable polyester warp knitted fabric and a production method thereof, so as to solve the problems raised in the above background technology.

[0004] The present invention solves the technical problem by adopting the following technical solution: The present invention provides a method for producing a composite washable polyester warp knitted fabric, comprising the following steps: Step 1: blending flax fiber and bamboo fiber in a weight ratio of 3:1 to form blended yarn; The spandex fiber and the polyester fiber are mixed in a weight ratio of 1:5, and then subjected to a blending process to obtain a spandex-coated polyester yarn; Step 2: knitting the blended yarn, spandex-coated polyester yarn and 80D polyester in a weight ratio of 4:3:1 to obtain a knitted fabric; Step 3: Place the knitted blank in a sufficient amount of dye for dyeing. After dyeing is completed, take it out and dry it to obtain a composite washable polyester warp knitted fabric.

[0005] Preferably, the dyeing temperature of the dyeing treatment is 65-70° C., and the dyeing time is 1 hour.

[0006] Preferably, the preparation method of the dye is: Fully blend 30-35 parts of disperse red 50 dye, 5-10 parts of sodium methylene bisnaphthalene sulfonate, 4-7 parts of functional additives, 5-8 parts of modified nano titanium dioxide agent, 2-4 parts of silane coupling agent KH550, 1-3 parts of anhydrous sodium metasilicate, 5-8 parts of nano zinc oxide, and 30-35 parts of toluene by weight to obtain a dye; Wherein, the preparation method of the functional additive is: S01: adding 4-6 parts of hollow glass microspheres, 2-3 parts of sodium lignin sulfonate and 2-3 parts of lanthanum oxide to 5-8 parts of urea solution by weight, stirring evenly to obtain a glass microsphere solution; S02: Blend 2-5 parts of kaolin, 1-2 parts of stearic acid and 5-8 parts of dopamine hydrochloride solution by weight to obtain a kaolin agent; The flaky talc is immersed in a kaolin agent that is 4-7 times the weight of the flaky talc, and then ultrasonically treated. After the ultrasonic treatment is completed, the flaky talc is filtered and dried to obtain a compounding additive. S03: The compounding additive and the glass microbead liquid are mixed and ball-milled in a weight ratio of 5:3 at a ball-milling speed of 1500 r / min for 1 h. After the ball-milling is completed, the mixture is filtered and dried to obtain a functional additive.

[0007] Preferably, the mass fraction of the urea solution is 2-5%; the mass fraction of the dopamine hydrochloride solution is 4-7%.

[0008] Preferably, the ultrasonic power of the immersion ultrasonic treatment is 500-600W, and the ultrasonic treatment is performed for 1 hour.

[0009] Preferably, the preparation method of the modified nano titanium dioxide agent is: S101: Firstly, the nano-titanium dioxide is stirred in a sufficient amount of potassium permanganate solution, and then washed with water, filtered, and dried to obtain dry nano-titanium dioxide; The dried nano-titanium dioxide was placed in a proton irradiation box for 1 hour at an irradiation power of 300 W, and irradiated nano-titanium dioxide was obtained after the irradiation was completed; S102: The irradiated nano titanium dioxide and the modified liquid are stirred and modified in a weight ratio of 2:5. After the stirring is completed, the mixture is washed with water, filtered and dried to obtain a modified nano titanium dioxide agent.

[0010] Preferably, the stirring temperature of the stirring modification treatment is 55-60° C., the stirring speed is 450-500 r / min, and the stirring is for 1 hour.

[0011] Preferably, the preparation method of the modified liquid is: 3-5 parts of aluminum silicate fiber and 2-3 parts of nano-silica sol are added to 5-8 parts of yttrium nitrate solution by weight, and then 2-3 parts of silicon carbide and 1-2 parts of boron nitride are added and mixed thoroughly to obtain a modified solution.

[0012] Preferably, the mass fraction of the yttrium nitrate solution is 3-5%.

[0013] The invention also provides a composite washable polyester warp knitted fabric, which is produced by the production method of the composite washable polyester warp knitted fabric.

[0014] Compared with the prior art, the present invention has the following beneficial effects: The polyester warp knitted fabric adopts blended yarn, spandex-coated polyester yarn and 80D polyester in a weight ratio of 4:3:1, and then is knitted through warp knitting to obtain a knitted grey cloth, and is dyed and improved by dyeing. The dye adopts disperse red 50 dye, sodium methylene bisnaphthalene sulfonate, silane coupling agent KH550, anhydrous sodium metasilicate and nano zinc oxide to coordinate and optimize the dyeing effect, and at the same time, the antibacterial property, color fastness and antifouling of the product are coordinated and improved, and the washing resistance and corrosion resistance stability of the product are remarkable; the functional auxiliary agent adopts hollow glass microbeads, sodium lignin sulfonate, lanthanum oxide and urea solution to coordinate, and the composite additive is coordinated and improved, the flaky talcum powder in the composite additive is mixed with kaolin agent, and the kaolin and hardness in the kaolin agent are improved. The co-formulation of fatty acid and dopamine hydrochloride solution is improved. Through the co-formulation, blending and synergy between the raw materials, flaky talc powder is blended with kaolin as the matrix, and then combined with hollow glass microspheres. Through the co-formulation and synergy between the raw materials, the functional additives obtained in the system optimize the performance of the product system. At the same time, the modified nano titanium dioxide agent added uses nano titanium dioxide to optimize the system activity efficiency through potassium permanganate solution, and then further improves its activity through irradiation. The modified liquid uses aluminum silicate fiber, nano silica sol, yttrium nitrate solution, silicon carbide and boron nitride for co-formulation and synergy. Through the mutual coordination and synergy between the raw materials, the modified nano titanium dioxide agent and the compound additive have a better coordination effect, so that the performance of the product is further improved. DETAILED DESCRIPTION

[0015] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0016] The method for producing a composite washable polyester warp knitted fabric of the present embodiment comprises the following steps: Step 1: blending flax fiber and bamboo fiber in a weight ratio of 3:1 to form blended yarn; The spandex fiber and the polyester fiber are mixed in a weight ratio of 1:5, and then subjected to a blending process to obtain a spandex-coated polyester yarn; Step 2: knitting the blended yarn, spandex-coated polyester yarn and 80D polyester in a weight ratio of 4:3:1 to obtain a knitted fabric; Step 3: Place the knitted blank in a sufficient amount of dye for dyeing. After dyeing is completed, take it out and dry it to obtain a composite washable polyester warp knitted fabric.

[0017] The dyeing temperature of the dyeing treatment in this embodiment is 65-70° C., and the dyeing time is 1 hour.

[0018] The preparation method of the dye of the present embodiment is: Fully blend 30-35 parts of disperse red 50 dye, 5-10 parts of sodium methylene bisnaphthalene sulfonate, 4-7 parts of functional additives, 5-8 parts of modified nano titanium dioxide agent, 2-4 parts of silane coupling agent KH550, 1-3 parts of anhydrous sodium metasilicate, 5-8 parts of nano zinc oxide, and 30-35 parts of toluene by weight to obtain a dye; Wherein, the preparation method of the functional additive is: S01: adding 4-6 parts of hollow glass microspheres, 2-3 parts of sodium lignin sulfonate and 2-3 parts of lanthanum oxide to 5-8 parts of urea solution by weight, stirring evenly to obtain a glass microsphere solution; S02: Blend 2-5 parts of kaolin, 1-2 parts of stearic acid and 5-8 parts of dopamine hydrochloride solution by weight to obtain a kaolin agent; The flaky talc is immersed in a kaolin agent that is 4-7 times the weight of the flaky talc, and then ultrasonically treated. After the ultrasonic treatment is completed, the flaky talc is filtered and dried to obtain a compounding additive. S03: The compounding additive and the glass microbead liquid are mixed and ball-milled in a weight ratio of 5:3 at a ball-milling speed of 1500 r / min for 1 h. After the ball-milling is completed, the mixture is filtered and dried to obtain a functional additive.

[0019] The mass fraction of the urea solution in this embodiment is 2-5%; the mass fraction of the dopamine hydrochloride solution is 4-7%.

[0020] The ultrasonic power of the immersion ultrasonic treatment in this embodiment is 500-600W, and the ultrasonic treatment is performed for 1 hour.

[0021] The preparation method of the modified nano titanium dioxide agent of this embodiment is: S101: Firstly, the nano-titanium dioxide is stirred in a sufficient amount of potassium permanganate solution, and then washed with water, filtered, and dried to obtain dry nano-titanium dioxide; The dried nano-titanium dioxide was placed in a proton irradiation box for 1 hour at an irradiation power of 300 W, and irradiated nano-titanium dioxide was obtained after the irradiation was completed; S102: The irradiated nano titanium dioxide and the modified liquid are stirred and modified in a weight ratio of 2:5. After the stirring is completed, the mixture is washed with water, filtered and dried to obtain a modified nano titanium dioxide agent.

[0022] The stirring temperature of the stirring modification treatment in this embodiment is 55-60° C., the stirring speed is 450-500 r / min, and the stirring is for 1 hour.

[0023] The preparation method of the modified liquid of this embodiment is: 3-5 parts of aluminum silicate fiber and 2-3 parts of nano-silica sol are added to 5-8 parts of yttrium nitrate solution by weight, and then 2-3 parts of silicon carbide and 1-2 parts of boron nitride are added and mixed thoroughly to obtain a modified solution.

[0024] The mass fraction of the yttrium nitrate solution in this embodiment is 3-5%.

[0025] The composite washable polyester warp knitted fabric of the present embodiment is produced by the production method of the composite washable polyester warp knitted fabric.

[0026] Embodiment 1: A method for producing a composite washable polyester warp knitted fabric, comprising the following steps: Step 1: blending flax fiber and bamboo fiber in a weight ratio of 3:1 to form blended yarn; The spandex fiber and the polyester fiber are mixed in a weight ratio of 1:5, and then subjected to a blending process to obtain a spandex-coated polyester yarn; Step 2: knitting the blended yarn, spandex-coated polyester yarn and 80D polyester in a weight ratio of 4:3:1 to obtain a knitted fabric; Step 3: Place the knitted blank in a sufficient amount of dye for dyeing. After dyeing is completed, take it out and dry it to obtain a composite washable polyester warp knitted fabric.

[0027] The dyeing temperature of the dyeing treatment in this embodiment is 65° C., and the dyeing time is 1 hour.

[0028] The preparation method of the dye of the present embodiment is: 30 parts of disperse red 50 dye, 5 parts of sodium methylene bisnaphthalene sulfonate, 4 parts of functional additives, 5 parts of modified nano titanium dioxide agent, 2 parts of silane coupling agent KH550, 1 part of anhydrous sodium metasilicate, 5 parts of nano zinc oxide, and 30 parts of toluene are fully blended by weight to obtain a dye; Wherein, the preparation method of the functional additive is: S01: Add 4 parts of hollow glass microspheres, 2 parts of sodium lignin sulfonate and 2 parts of lanthanum oxide to 5 parts of urea solution by weight, stir evenly, and obtain a glass microsphere solution; S02: Blend 2 parts of kaolin, 1 part of stearic acid and 5 parts of dopamine hydrochloride solution by weight to obtain a kaolin agent; The flaky talc is immersed in a kaolin agent that is 4 times the weight of the flaky talc, and then ultrasonically treated. After the ultrasonic treatment is completed, the flaky talc is filtered and dried to obtain a compounding additive. S03: The compounding additive and the glass microbead liquid are mixed and ball-milled in a weight ratio of 5:3 at a ball-milling speed of 1500 r / min for 1 h. After the ball-milling is completed, the mixture is filtered and dried to obtain a functional additive.

[0029] The mass fraction of the urea solution in this embodiment is 2%; the mass fraction of the dopamine hydrochloride solution is 4%.

[0030] The ultrasonic power of the immersion ultrasonic treatment in this embodiment is 500W, and the ultrasonic treatment is performed for 1 hour.

[0031] The preparation method of the modified nano titanium dioxide agent of this embodiment is: S101: Firstly, the nano-titanium dioxide is stirred in a sufficient amount of potassium permanganate solution, and then washed with water, filtered, and dried to obtain dry nano-titanium dioxide; The dried nano-titanium dioxide was placed in a proton irradiation box for 1 hour at an irradiation power of 300 W, and irradiated nano-titanium dioxide was obtained after the irradiation was completed; S102: The irradiated nano titanium dioxide and the modified liquid are stirred and modified in a weight ratio of 2:5. After the stirring is completed, the mixture is washed with water, filtered and dried to obtain a modified nano titanium dioxide agent.

[0032] The stirring temperature of the stirring modification treatment in this embodiment is 55° C., the stirring speed is 450 r / min, and the stirring is performed for 1 hour.

[0033] The preparation method of the modified liquid of this embodiment is: 3 parts of aluminum silicate fiber and 2 parts of nano-silica sol were added to 5 parts of yttrium nitrate solution by weight, and then 2 parts of silicon carbide and 1 part of boron nitride were added and mixed thoroughly to obtain a modified solution.

[0034] The mass fraction of the yttrium nitrate solution in this embodiment is 3%.

[0035] The composite washable polyester warp knitted fabric of the present embodiment is produced by the production method of the composite washable polyester warp knitted fabric.

[0036] Embodiment 2: A method for producing a composite washable polyester warp knitted fabric, comprising the following steps: Step 1: blending flax fiber and bamboo fiber in a weight ratio of 3:1 to form blended yarn; The spandex fiber and the polyester fiber are mixed in a weight ratio of 1:5, and then subjected to a blending process to obtain a spandex-coated polyester yarn; Step 2: knitting the blended yarn, spandex-coated polyester yarn and 80D polyester in a weight ratio of 4:3:1 to obtain a knitted fabric; Step 3: Place the knitted blank in a sufficient amount of dye for dyeing. After dyeing is completed, take it out and dry it to obtain a composite washable polyester warp knitted fabric.

[0037] The dyeing temperature of the dyeing treatment in this embodiment is 70° C., and the dyeing time is 1 hour.

[0038] The preparation method of the dye of the present embodiment is: 35 parts of disperse red 50 dye, 10 parts of sodium methylene bisnaphthalene sulfonate, 7 parts of functional additives, 8 parts of modified nano titanium dioxide agent, 4 parts of silane coupling agent KH550, 3 parts of anhydrous sodium metasilicate, 8 parts of nano zinc oxide, and 35 parts of toluene are fully blended by weight to obtain a dye; Wherein, the preparation method of the functional additive is: S01: Add 6 parts of hollow glass microspheres, 3 parts of sodium lignin sulfonate and 3 parts of lanthanum oxide to 8 parts of urea solution by weight, stir evenly, and obtain a glass microsphere solution; S02: 5 parts of kaolin, 2 parts of stearic acid and 8 parts of dopamine hydrochloride solution are fully mixed by weight to obtain a kaolin agent; The flaky talc is immersed in a kaolin agent that is 7 times the weight of the flaky talc, and then ultrasonically treated. After the ultrasonic treatment is finished, the flaky talc is filtered and dried to obtain a compounding additive. S03: The compounding additive and the glass microbead liquid are mixed and ball-milled in a weight ratio of 5:3 at a ball-milling speed of 1500 r / min for 1 h. After the ball-milling is completed, the mixture is filtered and dried to obtain a functional additive.

[0039] The mass fraction of the urea solution in this embodiment is 5%; the mass fraction of the dopamine hydrochloride solution is 7%.

[0040] The ultrasonic power of the immersion ultrasonic treatment in this embodiment is 600 W, and the ultrasonic treatment is performed for 1 hour.

[0041] The preparation method of the modified nano titanium dioxide agent of this embodiment is: S101: Firstly, the nano-titanium dioxide is stirred in a sufficient amount of potassium permanganate solution, and then washed with water, filtered, and dried to obtain dry nano-titanium dioxide; The dried nano-titanium dioxide was placed in a proton irradiation box for 1 hour at an irradiation power of 300 W, and irradiated nano-titanium dioxide was obtained after the irradiation was completed; S102: The irradiated nano titanium dioxide and the modified liquid are stirred and modified in a weight ratio of 2:5. After the stirring is completed, the mixture is washed with water, filtered and dried to obtain a modified nano titanium dioxide agent.

[0042] The stirring temperature of the stirring modification treatment in this embodiment is 60° C., the stirring speed is 500 r / min, and the stirring is performed for 1 hour.

[0043] The preparation method of the modified liquid of this embodiment is: 5 parts of aluminum silicate fiber and 3 parts of nano-silica sol were added to 8 parts of yttrium nitrate solution by weight, and then 3 parts of silicon carbide and 2 parts of boron nitride were added and mixed thoroughly to obtain a modified solution.

[0044] The mass fraction of the yttrium nitrate solution in this embodiment is 5%.

[0045] The composite washable polyester warp knitted fabric of the present embodiment is produced by the production method of the composite washable polyester warp knitted fabric.

[0046] Embodiment 3: A method for producing a composite washable polyester warp knitted fabric, comprising the following steps: Step 1: blending flax fiber and bamboo fiber in a weight ratio of 3:1 to form blended yarn; The spandex fiber and the polyester fiber are mixed in a weight ratio of 1:5, and then subjected to a blending process to obtain a spandex-coated polyester yarn; Step 2: knitting the blended yarn, spandex-coated polyester yarn and 80D polyester in a weight ratio of 4:3:1 to obtain a knitted fabric; Step 3: Place the knitted blank in a sufficient amount of dye for dyeing. After dyeing is completed, take it out and dry it to obtain a composite washable polyester warp knitted fabric.

[0047] The dyeing temperature of the dyeing treatment in this embodiment is 67.5° C., and the dyeing time is 1 hour.

[0048] The preparation method of the dye of the present embodiment is: 32.5 parts of disperse red 50 dye, 7.5 parts of sodium methylene bisnaphthalene sulfonate, 5.5 parts of functional additives, 6.5 parts of modified nano titanium dioxide agent, 3 parts of silane coupling agent KH550, 2 parts of anhydrous sodium metasilicate, 6.5 parts of nano zinc oxide, and 32.5 parts of toluene are fully blended by weight to obtain a dye; Wherein, the preparation method of the functional additive is: S01: Add 5 parts of hollow glass microspheres, 2.5 parts of sodium lignin sulfonate and 2.5 parts of lanthanum oxide to 6.5 parts of urea solution by weight, stir evenly, and obtain a glass microsphere solution; S02: 3.5 parts of kaolin, 1.5 parts of stearic acid and 6.5 parts of dopamine hydrochloride solution are fully mixed by weight to obtain a kaolin agent; The flaky talc is immersed in a kaolin agent that is 5.5 times the weight of the flaky talc, and then ultrasonically treated. After the ultrasonic treatment is completed, the flaky talc is filtered and dried to obtain a compounding additive. S03: The compounding additive and the glass microbead liquid are mixed and ball-milled in a weight ratio of 5:3 at a ball-milling speed of 1500 r / min for 1 h. After the ball-milling is completed, the mixture is filtered and dried to obtain a functional additive.

[0049] The mass fraction of the urea solution in this embodiment is 3.5%; the mass fraction of the dopamine hydrochloride solution is 5.5%.

[0050] The ultrasonic power of the immersion ultrasonic treatment in this embodiment is 550W, and the ultrasonic treatment is performed for 1 hour.

[0051] The preparation method of the modified nano titanium dioxide agent of this embodiment is: S101: Firstly, the nano-titanium dioxide is stirred in a sufficient amount of potassium permanganate solution, and then washed with water, filtered, and dried to obtain dry nano-titanium dioxide; The dried nano-titanium dioxide was placed in a proton irradiation box for 1 hour at an irradiation power of 300 W, and irradiated nano-titanium dioxide was obtained after the irradiation was completed; S102: The irradiated nano titanium dioxide and the modified liquid are stirred and modified in a weight ratio of 2:5. After the stirring is completed, the mixture is washed with water, filtered and dried to obtain a modified nano titanium dioxide agent.

[0052] The stirring temperature of the stirring modification treatment in this embodiment is 57.5° C., the stirring speed is 470 r / min, and the stirring is performed for 1 hour.

[0053] The preparation method of the modified liquid of this embodiment is: 4 parts of aluminum silicate fiber and 2.5 parts of nano-silica sol were added to 6.5 parts of yttrium nitrate solution by weight, and then 2.5 parts of silicon carbide and 1.5 parts of boron nitride were added and mixed thoroughly to obtain a modified solution.

[0054] The mass fraction of the yttrium nitrate solution in this embodiment is 4%.

[0055] The composite washable polyester warp knitted fabric of the present embodiment is produced by the production method of the composite washable polyester warp knitted fabric.

[0056] Comparative Example 1: The difference from Example 3 is that no functional additive is added.

[0057] Comparative Example 2: The difference from Example 3 is that no compounding additive is added in the preparation of the functional additive.

[0058] Comparative Example 3: The difference from Example 3 is that no flaky talc was added in the preparation of the compounding additive.

[0059] Comparative Example 4: The difference from Example 3 is that no kaolin agent is added in the preparation of the compounding additive.

[0060] Comparative Example 5: The difference from Example 3 is that kaolin and stearic acid are not added to the kaolin agent.

[0061] Comparative Example 6: The difference from Example 3 is that no glass microbead liquid is added in the preparation of the functional additive.

[0062] Comparative Example 7: The difference from Example 3 is that no hollow glass microspheres and sodium lignin sulfonate are added in the preparation of the glass microsphere liquid.

[0063] Comparative Example 8: The difference from Example 3 is that lanthanum oxide is not added in the preparation of the glass microbead solution, and urea solution is replaced by water.

[0064] Comparative Example 9: The difference from Example 3 is that no modified nano titanium dioxide agent is added.

[0065] Comparative Example 10: The difference from Example 3 is that no irradiated nano titanium dioxide is added in the preparation of the modified nano titanium dioxide agent.

[0066] Comparative Example 11: The difference from Example 3 is that no modifying liquid is added in the preparation of the modified nano titanium dioxide agent.

[0067] The products of Examples 1 to 3 and Comparative Examples 1 to 11 were tested for antibacterial properties, color fastness and antifouling properties under conventional conditions, and were tested for antibacterial properties, color fastness and antifouling properties under washable and corrosion-resistant conditions (the products were placed in 5% sodium hydroxide alkaline mist for 12 hours and then washed 20 times). The measurement results are shown in Table 1.

[0068] Table 1 Product performance test results of Examples 1 to 3 and Comparative Examples 1 to 11:

[0069] It can be seen from Examples 1 to 3 and Comparative Examples 1 to 11 that the antibacterial property, color fastness and antifouling property of the product of Example 3 of the present invention can be improved in a coordinated manner, and the product has remarkable effects on washing resistance and corrosion resistance stability; It can be seen from Comparative Example 1, Comparative Example 9 and Example 3 that the performance of the product is significantly deteriorated when no functional additives or modified nano titanium dioxide agents are added in the present invention. The product performance effect is most significant when the functional additives and modified nano titanium dioxide agents are coordinated and formulated together. From Comparative Examples 2 to 8 and Example 3, it can be seen that the performance of the products tends to deteriorate when no compounding additive is added in the preparation of the functional additive, no flaky talc is added in the preparation of the compounding additive, no kaolin agent is added in the preparation of the compounding additive, no kaolin, stearic acid, glass microbead liquid is not added in the preparation of the functional additive, hollow glass microbeads, sodium lignin sulfonate, lanthanum oxide is not added in the preparation of the glass microbead liquid, and urea solution is replaced by water. The functional additive obtained by the specific method of the present invention has the most significant product performance effect, and the glass microbead liquid and compounding additive obtained by the specific method, and the functional additive prepared by the specific raw material process at the same time, have the most significant product performance effect; It can be seen from Comparative Examples 10 to 11 and Example 3 that when no irradiated nano titanium dioxide is added in the preparation of the modified nano titanium dioxide agent and no modifying liquid is added in the preparation of the modified nano titanium dioxide agent, the performance of the product tends to deteriorate. The modified nano titanium dioxide agent obtained by the specific method of the present invention has the most significant product performance effect.

[0070] Based on the fact that the modified liquid has a significant impact on the performance of the product, further research is conducted on this.

[0071] Experimental Example 1: The only difference from Example 3 is that no aluminum silicate fiber is added to the modified liquid.

[0072] Experimental Example 2: The only difference from Example 3 is that silicon carbide is not added to the modified liquid.

[0073] Experimental Example 3: The only difference from Example 3 is that no boron nitride is added to the modified solution.

[0074] Experimental Example 4: The only difference from Example 3 is that no nano-silica sol is added to the modified liquid.

[0075] Experimental Example 5: The only difference from Example 3 is that the yttrium nitrate solution in the modified solution is replaced by water.

[0076] The products of Experimental Examples 1 to 5 were tested for antibacterial properties, color fastness and antifouling properties under conventional conditions, and tested for antibacterial properties, color fastness and antifouling properties under washable and corrosion-resistant conditions (the products were placed in 5% sodium hydroxide alkaline mist for 12 hours and then washed 20 times). The measurement results are shown in Table 2.

[0077] Table 2 Product performance test results of Experimental Examples 1 to 5:

[0078] It can be seen from Experimental Examples 1 to 5 that when aluminum silicate fiber is not added to the modifying liquid, the performance of the product has a large trend of change. At the same time, when silicon carbide and boron nitride are not added to the modifying liquid, the performance of the product also shows a relatively obvious trend of deterioration. At the same time, when nano-silica sol is not added to the modifying liquid and yttrium nitrate solution in the modifying liquid is replaced by water, the performance of the product has a trend of deterioration. The modifying liquid obtained by the specific method of the present invention has the most significant product performance effect, and the effects of other methods are not as obvious as those of the present invention.

[0079] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention.

[0080] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A method for producing a composite washable polyester warp knitted fabric, characterized in that: The steps include: Step 1: blending flax fiber and bamboo fiber in a weight ratio of 3:1 to form blended yarn; The spandex fiber and the polyester fiber are mixed in a weight ratio of 1:5, and then subjected to a blending process to obtain a spandex-coated polyester yarn; Step 2: knitting the blended yarn, spandex-coated polyester yarn and 80D polyester in a weight ratio of 4:3:1 to obtain a knitted fabric; Step 3, placing the knitted blank in a sufficient amount of dye for dyeing, and after dyeing, taking it out and drying it to obtain a composite washable polyester warp knitted fabric; The preparation method of the dye is: Fully blend 30-35 parts of disperse red 50 dye, 5-10 parts of sodium methylene bisnaphthalene sulfonate, 4-7 parts of functional additives, 5-8 parts of modified nano titanium dioxide agent, 2-4 parts of silane coupling agent KH550, 1-3 parts of anhydrous sodium metasilicate, 5-8 parts of nano zinc oxide, and 30-35 parts of toluene by weight to obtain a dye; Wherein, the preparation method of the functional additive is: S01: adding 4-6 parts of hollow glass microspheres, 2-3 parts of sodium lignin sulfonate and 2-3 parts of lanthanum oxide to 5-8 parts of urea solution by weight, stirring evenly to obtain a glass microsphere solution; S02: Blend 2-5 parts of kaolin, 1-2 parts of stearic acid and 5-8 parts of dopamine hydrochloride solution by weight to obtain a kaolin agent; The flaky talc is immersed in a kaolin agent that is 4-7 times the weight of the flaky talc, and then ultrasonically treated. After the ultrasonic treatment is completed, the flaky talc is filtered and dried to obtain a compounding additive. S03: The compounding additive and the glass microbead liquid are mixed and ball-milled in a weight ratio of 5:3 at a ball-milling speed of 1500 r / min for 1 h. After the ball-milling is completed, the mixture is filtered and dried to obtain a functional additive.

2. The method for producing a composite washable polyester warp knitted fabric according to claim 1, characterized in that: The dyeing temperature of the dyeing treatment is 65-70°C, and the dyeing time is 1 hour.

3. The method for producing a composite washable polyester warp knitted fabric according to claim 1, characterized in that: The mass fraction of the urea solution is 2-5%.

4. The method for producing a composite washable polyester warp knitted fabric according to claim 1, characterized in that: The mass fraction of the dopamine hydrochloride solution is 4-7%.

5. The method for producing a composite washable polyester warp knitted fabric according to claim 1, characterized in that: The ultrasonic power of the immersion ultrasonic treatment is 500-600W, and the ultrasonic treatment is performed for 1 hour.

6. The method for producing a composite washable polyester warp knitted fabric according to claim 1, characterized in that: The preparation method of the modified nano titanium dioxide agent is: S101: Firstly, the nano-titanium dioxide is stirred in a sufficient amount of potassium permanganate solution, and then washed with water, filtered, and dried to obtain dry nano-titanium dioxide; The dried nano-titanium dioxide was placed in a proton irradiation box for 1 hour at an irradiation power of 300 W, and irradiated nano-titanium dioxide was obtained after the irradiation was completed; S102: The irradiated nano titanium dioxide and the modified liquid are stirred and modified in a weight ratio of 2:

5. After the stirring is completed, the mixture is washed with water, filtered and dried to obtain a modified nano titanium dioxide agent.

7. The method for producing a composite washable polyester warp knitted fabric according to claim 6, characterized in that: The stirring temperature of the stirring modification treatment is 55-60° C., the stirring speed is 450-500 r / min, and the stirring is performed for 1 hour.

8. The method for producing a composite washable polyester warp knitted fabric according to claim 6, characterized in that: The preparation method of the modified liquid is: 3-5 parts of aluminum silicate fiber and 2-3 parts of nano-silica sol are added to 5-8 parts of yttrium nitrate solution by weight, and then 2-3 parts of silicon carbide and 1-2 parts of boron nitride are added and mixed thoroughly to obtain a modified solution.

9. The method for producing a composite washable polyester warp knitted fabric according to claim 8, characterized in that: The mass fraction of the yttrium nitrate solution is 3-5%.

10. A composite washable polyester warp knitted fabric produced by the production method of the composite washable polyester warp knitted fabric according to any one of claims 1 to 9.

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