Preparation process of knitted fabric with cold and hot self-adjusting function

Abstract

The invention relates to the technical field of knitted fabric processing, and discloses a preparation process of a knitted fabric with a cold and hot self-adjusting function. Comprising the steps of phase-change temperature-adjusting cellulose fiber preparation, phase-change temperature-adjusting polyamide fiber preparation, natural aromatic fiber preparation, aromatic microcapsule fiber preparation, fabric preparation pretreatment, yarn preparation, knitting weaving and cleaning and drying treatment. By means of the preparation technology, the intelligent temperature adjusting function of the fabric can be achieved, the fabric can be rapidly warmed up in the cold environment and has the aromatic smell, and the overall performance of the fabric is enhanced.

Description

Technical Field

[0001] The invention belongs to the technical field of knitted fabric processing, and in particular relates to a knitted fabric preparation process with a cold and hot self-regulating function. Background Art

[0002] With the improvement of living standards, consumers have increasing requirements for the comfort and functionality of knitted fabrics. Characteristics such as fragrance and self-regulation of heat and cold have become new consumer hotspots, satisfying people's pursuit of high-quality life. The continuous development of textile technology has provided possibilities for the innovation of knitted fabrics. By adopting special fibers, finishing technologies and other means, the fabrics can achieve long-lasting fragrance and self-regulation of temperature, thereby increasing the added value of the fabrics.

[0003] The development of smart textile materials has made fabric functions more diverse. The development of nude knitted fabrics with fragrance and self-regulating functions for heat and cold is an important measure to adapt to the development trend of science and technology and promote technological innovation in the textile industry. Fabrics with fragrance and self-regulating functions for heat and cold are not only suitable for daily wear, but can also be widely used in sports, yoga, fitness and other occasions, as well as special environments that require specific temperature management and a fragrant atmosphere, such as nursing homes, hotels, etc., which broadens the application field of fabrics. Therefore, we propose a process for preparing knitted fabrics with self-regulating functions of heat and cold. Summary of the invention

[0004] The purpose of the present invention is to provide a knitted fabric preparation process with a cold and hot self-regulating function in order to realize the intelligent temperature regulating function of the fabric so that it can quickly warm up and have a fragrant smell in a cold environment and enhance the overall performance of the fabric.

[0005] The technical solution adopted by the present invention is as follows: A process for preparing a knitted fabric with a cold and hot self-regulating function, the preparation process steps comprising: S1: Preparation of phase change thermostatic cellulose fiber: select paraffin, polyethylene glycol, high-density polyethylene, polypropylene, isopropyl stearate and white oil materials, mix them in a certain proportion, and spin the mixed materials into fibers through composite spinning to ensure that the phase change material is evenly encapsulated inside the fiber; S2: Preparation of phase-change temperature-adjustable nylon fiber: paraffin wax and attapulgite are mixed, and then added to the polycaprolactam resin for fiber-forming to make a modified masterbatch. The modified masterbatch is then mixed with the polycaprolactam resin slices, and the attapulgite-modified phase-change temperature-adjustable nylon is obtained through screw extrusion melting, spinning, stretching and winding processes; S3: Preparation of natural fragrant fibers: Select plant fiber raw materials containing natural fragrant ingredients, and spin the raw materials into fibers through spinning to retain their natural fragrant characteristics; S4: Preparation of fragrance microcapsule fiber: select inorganic composite wall material and core material, prepare fragrance microcapsules through microcapsule technology, then add fragrance microcapsules into spinning solution to make the microcapsules evenly dispersed, and spin the spinning solution containing fragrance microcapsules into fibers through spinning process, so that the fibers have lasting fragrance characteristics; S5: Fabric preparation pretreatment, wetting the selected phase change temperature regulating cellulose fiber, phase change temperature regulating nylon fiber, natural fragrance fiber and fragrance microcapsule fiber, and adding phase change microcapsules and fragrance components into the treatment liquid to further ensure that the fiber can be evenly distributed with fragrance components in subsequent processing; S6: Yarn preparation, blending the pretreated phase change thermostatic cellulose fiber, phase change thermostatic nylon fiber, natural fragrance fiber and fragrance microcapsule fiber with cotton fiber to optimize the comfort and durability of the fabric, ensuring that the proportion of thermostatic viscose is not less than 40% during blending, and then twisting and shaping the blended yarn to improve the strength and stability of the yarn; S7: Knitting weaving, using weft or warp knitting technology to weave the yarn and design a double-layer knitting structure, setting the inner and outer layers of the fabric separately, and then using tucks and floats to connect the two layers, thereby forming pores of different sizes and shapes, thereby controlling the breathability and thermal insulation of the fabric. When the temperature changes, these pores can automatically adjust their size to achieve an intelligent adjustment effect; S8: Cleaning and drying. The woven fabric is placed in a cleaning tank and cleaned with ultrasound to remove impurities and residues on the surface. After cleaning, the fabric is placed in a dehydrator for dehydration. The dehydrated fabric is then dried to ensure that it is completely dry. Finally, the fabric is shaped to fix its shape and dimensional stability.

[0006] In a preferred embodiment of the invention, the phase change temperature regulating cellulose fiber is made in the following mixing ratios: paraffin 20%-50%, polyethylene glycol 5%-30%, high density polyethylene 10%-30%, polypropylene 10%-30%, isopropyl stearate 5%-20%, and white oil 5%-20%.

[0007] In a preferred embodiment of the invention, the inorganic composite wall material in the fragrance microcapsule fiber is made of a mixture of silicon dioxide, aluminum oxide and titanium dioxide.

[0008] In a preferred embodiment of the invention, the inorganic composite wall material is made in the following mixing ratios: 50%-70% silicon dioxide, 10%-30% aluminum oxide, and 5%-20% titanium dioxide.

[0009] In a preferred embodiment of the invention, the core material in the fragrance microcapsule fiber is any one of rose oil, jasmine oil or vanilla oil.

[0010] In a preferred embodiment of the invention, the inner layer is woven from phase-change temperature-regulating nylon fibers, cotton fibers and natural aromatic fibers.

[0011] In a preferred embodiment of the invention, the outer layer is woven from phase-change temperature-regulating cellulose fibers, cotton fibers and aromatic microcapsule fibers.

[0012] In a preferred embodiment of the invention, the equipment used in the knitting and weaving is a double needle bed knitting machine.

[0013] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are: 1. In the present invention, the principle of phase change temperature regulating cellulose fiber and phase change temperature regulating nylon fiber absorbing or releasing heat during material phase change is utilized to bidirectionally regulate the body microenvironment temperature. When the ambient temperature is high, heat is absorbed to reduce the body temperature, and when the ambient temperature is low, heat is released to maintain warmth, thereby realizing the intelligent temperature regulation function.

[0014] 2. In the present invention, natural fragrant fibers and fragrant microcapsule fibers are used to release aromatic odors, so that the fabric has a fragrant effect. This fragrance is not only pleasant, but also may have certain antibacterial and deodorizing functions, thereby improving the comfort and health of wearing.

[0015] 3. In the present invention, phase change temperature regulating cellulose fiber, phase change temperature regulating nylon fiber, natural fragrance fiber and fragrance microcapsule fiber are used to make the fabric have better moisture absorption, air permeability, softness and wear resistance, enhance the moisture absorption and heat generation capacity of the fabric, make it warm up quickly in a cold environment and have a fragrant smell, and enhance the overall performance of the fabric. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a flow chart of the preparation process of the present invention. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in combination with the embodiments of the present invention. Obviously, the described embodiments are 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.

[0018] The following will be combined Figure 1 A preparation process of a knitted fabric with a cold and hot self-regulating function according to an embodiment of the present invention is described in detail. Example

[0019] Reference Figure 1, a knitted fabric preparation process with a cold and hot self-regulating function, the preparation process steps are: phase change thermostatic cellulose fiber preparation, paraffin, polyethylene glycol, high-density polyethylene, polypropylene, isopropyl stearate and white oil materials are selected, mixed in a certain proportion, and the mixed materials are spun into fibers through composite spinning to ensure that the phase change material is evenly encapsulated inside the fiber; the mixing ratio of the phase change thermostatic cellulose fiber is: paraffin 20%-50%, polyethylene glycol 5%-30%, high-density polyethylene 10%-30%, polypropylene 10%-30%, isopropyl stearate 5%-20%, white oil 5%-20 %, phase change temperature-regulating nylon fiber is prepared by mixing paraffin and attapulgite, and then adding them to polycaprolactam resin for fiber forming to make modified masterbatch, and then mixing the modified masterbatch with polycaprolactam resin slices, and going through screw extrusion melting, spinning, stretching and winding processes to obtain attapulgite modified phase change temperature-regulating nylon; specifically, the principle of absorbing or releasing heat during the phase change of phase change temperature-regulating cellulose fiber and phase change temperature-regulating nylon fiber is utilized to bidirectionally regulate the body microenvironment temperature, absorb heat when the ambient temperature is high to reduce the body temperature, and release heat when the ambient temperature is low to keep warm, thereby realizing the intelligent temperature regulation function.

[0020] Reference Figure 1 , natural fragrance fiber preparation, select plant fiber raw materials containing natural fragrance ingredients, through spinning, the raw materials are spun into fibers, retaining their natural fragrance characteristics, fragrance microcapsule fiber preparation, select inorganic composite wall materials and core materials, prepare fragrance microcapsules through microcapsule technology, and then add fragrance microcapsules to the spinning solution to make the microcapsules evenly dispersed, through the spinning process, the spinning solution containing fragrance microcapsules is spun into fibers, so that the fibers have lasting fragrance characteristics, the inorganic composite wall material in the fragrance microcapsule fiber is composed of ‌ dioxygen The inorganic composite wall material is made of a mixture of silicon dioxide, alumina and titanium dioxide. The mixing ratio of the inorganic composite wall material is: 50%-70% silicon dioxide, 10%-30% alumina, 5%-20% titanium dioxide. The core material of the fragrant microcapsule fiber is any one of rose oil, jasmine oil or vanilla oil. Specifically, natural fragrant fibers and fragrant microcapsule fibers are used to release aromatic odors to make the fabric have a fragrant effect. This fragrance is not only pleasant, but also may have certain antibacterial and deodorizing functions, thereby improving the comfort and health of wearing.

[0021] Reference Figure 1, fabric preparation pretreatment, the selected phase change temperature regulating cellulose fiber, phase change temperature regulating nylon fiber, natural fragrance fiber and fragrance microcapsule fiber are wetted, and phase change microcapsules and fragrance components are added to the treatment liquid to further ensure that the fibers can evenly distribute the components with fragrance function in subsequent processing, yarn preparation, the pretreated phase change temperature regulating cellulose fiber, phase change temperature regulating nylon fiber, natural fragrance fiber and fragrance microcapsule fiber are blended with cotton fiber to optimize the comfort and durability of the fabric. When blending, ensure that the proportion of temperature regulating viscose is not less than 40%, and then twist and shape the blended yarn to improve the strength and stability of the yarn.

[0022] Reference Figure 1 , knitting weaving, using weft knitting or warp knitting technology to weave the yarn, and design a double-layer knitting structure, set the inner and outer layers of the fabric respectively, and then use the collection loops and floating lines to connect the two layers, thereby forming pores of different sizes and shapes, so as to control the air permeability and thermal insulation of the fabric. When the temperature changes, these pores can automatically adjust their sizes to achieve the effect of intelligent adjustment; the inner layer is woven from phase change thermostatic nylon fiber, cotton fiber and natural fragrant fiber, and the outer layer is woven from phase change thermostatic cellulose fiber, cotton fiber and fragrant microcapsule fiber; the equipment used in knitting weaving is a double needle bed knitting machine; specifically, through phase change thermostatic cellulose fiber, phase change thermostatic nylon fiber, natural fragrant fiber and fragrant microcapsule fiber, the fabric has better moisture absorption, breathability, softness and wear resistance, enhances the moisture absorption and heat generation capacity of the fabric, makes the clothes quickly warm up in a cold environment and have a fragrant smell, and enhances the overall performance of the fabric.

[0023] Reference Figure 1 , cleaning and drying treatment, put the woven fabric into the cleaning tank, use ultrasonic cleaning to remove surface impurities and residues, after cleaning, put it into the dehydrator for dehydration, and then dry the dehydrated fabric to ensure that the fabric is completely dry, and finally shape the fabric to fix the shape and dimensional stability of the fabric; specifically, the cleaning and drying treatment can thoroughly clean the woven fabric, improve the quality of the fabric, and enhance the stability of the fabric.

[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0025] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A process for preparing a knitted fabric with a cold and hot self-regulating function, characterized in that: The preparation process steps are: S1: Preparation of phase change thermostatic cellulose fiber: select paraffin, polyethylene glycol, high-density polyethylene, polypropylene, isopropyl stearate and white oil materials, mix them in a certain proportion, and spin the mixed materials into fibers through composite spinning to ensure that the phase change material is evenly encapsulated inside the fiber; S2: Preparation of phase-change temperature-adjustable nylon fiber: paraffin wax and attapulgite are mixed, and then added to the polycaprolactam resin for fiber-forming to make a modified masterbatch. The modified masterbatch is then mixed with the polycaprolactam resin slices, and the attapulgite-modified phase-change temperature-adjustable nylon is obtained through screw extrusion melting, spinning, stretching and winding processes; S3: Preparation of natural fragrant fibers: Select plant fiber raw materials containing natural fragrant ingredients, and spin the raw materials into fibers through spinning to retain their natural fragrant characteristics; S4: Preparation of fragrance microcapsule fiber: select inorganic composite wall material and core material, prepare fragrance microcapsules through microcapsule technology, then add fragrance microcapsules into spinning solution to make the microcapsules evenly dispersed, and spin the spinning solution containing fragrance microcapsules into fibers through spinning process, so that the fibers have lasting fragrance characteristics; S5: Fabric preparation pretreatment, wetting the selected phase change temperature regulating cellulose fiber, phase change temperature regulating nylon fiber, natural fragrance fiber and fragrance microcapsule fiber, and adding phase change microcapsules and fragrance components into the treatment liquid to further ensure that the fiber can be evenly distributed with fragrance components in subsequent processing; S6: Yarn preparation, blending the pretreated phase change thermostatic cellulose fiber, phase change thermostatic nylon fiber, natural fragrance fiber and fragrance microcapsule fiber with cotton fiber to optimize the comfort and durability of the fabric, ensuring that the proportion of thermostatic viscose is not less than 40% during blending, and then twisting and shaping the blended yarn to improve the strength and stability of the yarn; S7: Knitting weaving, using weft or warp knitting technology to weave the yarn and design a double-layer knitting structure, setting the inner and outer layers of the fabric separately, and then using tucks and floats to connect the two layers, thereby forming pores of different sizes and shapes, thereby controlling the breathability and thermal insulation of the fabric. When the temperature changes, these pores can automatically adjust their size to achieve an intelligent adjustment effect; S8: Cleaning and drying. The woven fabric is placed in a cleaning tank and cleaned with ultrasound to remove impurities and residues on the surface. After cleaning, it is placed in a dehydrator for dehydration. The dehydrated fabric is then dried to ensure that it is completely dry. Finally, the fabric is shaped to fix its shape and dimensional stability.

2. The process for preparing a knitted fabric with a cold and hot self-regulating function as claimed in claim 1, characterized in that: The mixing ratio of the phase change temperature regulating cellulose fiber is: paraffin 20%-50%, polyethylene glycol 5%-30%, high-density polyethylene 10%-30%, polypropylene 10%-30%, isopropyl stearate 5%-20%, and white oil 5%-20%.

3. A process for preparing a knitted fabric with a cold and hot self-regulating function as claimed in claim 1, characterized in that: The inorganic composite wall material in the fragrant microcapsule fiber is made by mixing silicon dioxide, aluminum oxide and titanium dioxide.

4. A process for preparing a knitted fabric with a cold and hot self-regulating function as claimed in claim 3, characterized in that: The mixing ratio of the inorganic composite wall material is: 50%-70% silicon dioxide, 10%-30% aluminum oxide, and 5%-20% titanium dioxide.

5. The process for preparing a knitted fabric with a cold and hot self-regulating function according to claim 1, characterized in that: The core material of the fragrance microcapsule fiber is any one of rose oil, jasmine oil or vanilla oil.

6. A process for preparing a knitted fabric with a cold and hot self-regulating function as claimed in claim 1, characterized in that: The inner layer is woven from phase change temperature regulating nylon fiber, cotton fiber and natural fragrant fiber.

7. The process for preparing a knitted fabric with a cold and hot self-regulating function according to claim 1, characterized in that: The outer layer is made of phase-change temperature-regulating cellulose fibers, cotton fibers and fragrant microcapsule fibers.

8. The process for preparing a knitted fabric with a cold and hot self-regulating function according to claim 1, characterized in that: The equipment used in the knitting and weaving is a double needle bed knitting machine.

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