Patent Application
20240076811
This patent application claims the benefit and priority of Chinese Patent Application No. 202211060853.5, filed with the China National Intellectual Property Administration on Sep. 1, 2022, the disclosure of which is incorporated by reference herein in its entirety as part of the present application.
The present disclosure relates to the field of textiles, and in particular, to a multifunctional temperature-adaptable yarn, and a preparation method and use thereof.
With the continuous development of social productive forces and science and technology and the continuous improvement of people's living standards, people are increasingly pursuing a life of high quality. A major concern to people is the multifunctionality of a fabric. The uniqueness of a multifunctional material may be combined with the traditional textile industry to inject new power for functionalization of textiles, bringing functional textiles into development toward high quality and multiple functions. Functional fabrics and products that reflect the development trend of textile fabrics are taking the fancy of more and more people.
Previous heat insulation methods for keeping the human body warm or cool may realize temperature regulation by means of the thickness and density of a fabric. However, with the improvement of the living standards, people are no longer satisfied with such a traditional fabric and the temperature regulation method for this fabric and are seeking for a fabric which is capable of adapting to the temperature of an external environment based on the energy of a human body temperature, hoping to realize automatic temperature regulation by enabling the fabric to adapt itself to the temperature changes of the external environment. Temperature-adaptable fibers and textiles are thus born at the right moment.
At present, there are mainly two preparation methods of temperature-adaptable textiles: 1) one involves firstly preparing yarns by blending with temperature-adaptable fibers, then preparing a fabric, and finally obtaining a temperature-adaptable fabric and textile through finishing steps of dyeing, setting and the like, as disclosed in, e.g., Chinese patent No. CN201210144192.4; and 2) the other one involves performing finishing on a gray fabric to endow the fabric with the temperature-adaptable function, as disclosed in, e.g., Chinese patent No. CN201610417406.9. The final performance quality of the textile is directly related to the functional yarns prepared by blending regardless of the method used.
Such functional yarns are susceptible to raw materials used. Usually, due to unsatisfactory physical properties, these functional yams can only be blended with other yarns in a small proportion; otherwise, the quality of the yarns may be affected. However, when the functional yams are used in a small proportion, the function required by users cannot be well achieved. Consequently, the use of the functional yams is limited.
The technical problem to be solved in the present disclosure is to provide a multifunctional temperature-adaptable yarn, and a preparation method and use thereof. The multifunctional temperature-adaptable yarn is made by blending three types of fibers and thus enabled to have good antibacterial and temperature adaptation properties and also the texture and physical properties of the cotton fiber. During preparation, the technical parameters in the steps of pretreatment, opening and picking, and mixing and coiling are fine controlled so that the three types of fibers are mixed more uniformly with fewer impurities and without knotting due to static electricity. As a result, the quality of the final blended fiber is effectively improved, and the defect of low physical properties of a blended yarn in the prior art due to a large proportion of a functional fiber in the yarn is resolved.
The present disclosure is implemented as follows: a multifunctional temperature-adaptable yarn is prepared from 20-30% of a temperature-adaptable fiber, 20-30% of an antibacterial fiber and 40-60% of a cotton fiber in mass percentage by blending. The cotton fiber is a short fiber having a length of 10-50 cm. The multifunctional temperature-adaptable yam has a linear density of 18-45 tex, a single yarn breaking strength of 12.5-12.8 cN/tex, a single yarn breaking strength coefficient of variation (Cv) of 11.5-12.5%, and a coefficient of variation of mass (CVm) of 11.3-11.4%.
A preparation method of a multifunctional temperature-adaptable yarn includes the following steps:
The time for wetting may be 24 hours.
In step S4, a beater speed during mixing may be 400-460 r/min, and the coiled cotton roll may have a specified weight of 100-360 g/m and a length of 25-50 m.
In step S5, the cotton roll may be carded into mixed card slivers by a carding machine with the following process parameters: a relative air humidity of 55-70%, a cylinder speed of 300-350 r/min, a licker-in speed of 720-780 r/min, a doffer speed of 15-25 r/min, and a specified weight of the mixed card sliver of 20-25 g/5 m.
In step S6, the mixed card slivers may be prepared into a mixed drawn sliver through three passes of drawing with a relative air humidity of 55-70%; and each pass of drawing may be performed with a linear speed of front roller of 160-260 m/min, a roller gauge of 8 mm×6 mm×14 mm, 4-8 mixed card slivers, a total draft multiple of 6.5-10.0, and a specified weight of the mixed drawn sliver of 15-18 g/5 m.
In step S7, the mixed drawn sliver may be formed into a rove, with a relative air humidity of 55-70%, a spindle speed of 500-800 r/min, a total draft multiple of 7.0-10.0, a specified rove weight of 3-7.5 g/10 m, and a roving twist factor of 80-100.
In step S8, the rove may be spun into a spun yarn on a spinning frame, with a relative air humidity of 60-70%, a speed of 8000-11000 r/min, a total draft multiple of 16-55, a specified spun yarn weight of 1.1-5.9 g/100 m, and a twist factor of 300-380.
In step S9, the spun yarn may be wound into a cone yarn on an automatic winder; and during winding, a relative air humidity may be 60-70%, and a winding speed may be 700-1600 m/min.
The present disclosure further provides a knitted fabric or a woven fabric made from a multifunctional temperature-adaptable yam.
The present disclosure provides a multifunctional temperature-adaptable yam, and a preparation method and use thereof. The multifunctional temperature-adaptable yarn is made by blending three types of fibers and thus enabled to have good antibacterial and temperature adaptation properties and also the texture and physical properties of the cotton fiber. During preparation, the fibers are subjected to antistatic pretreatment, and during the operations of opening and picking, and mixing and coiling, the fibers are subjected to different relative humidity and moisture regain conditions. Thus, high efficiency and smooth impurity removal during opening and picking are guaranteed, and the mixing uniformity can be improved. As a result, the final blended yarn can meet the requirements of desired physical parameters. The yarn has improved quality and thus is worthy of extensive promotion and use.
The present disclosure will be further described below in conjunction with specific examples. It is to be understood that these examples are only intended to describe the present disclosure, rather than to limit the scope of the present disclosure. In addition, it is to be understood that various changes and modifications can be made to the present disclosure by those skilled in the art after reading the contents of the present disclosure, and these equivalent forms also fall within the scope defined by the appended claims of the present disclosure.
A multifunctional temperature-adaptable yam is prepared from 20-30% of a temperature-adaptable fiber, 20-30% of an antibacterial fiber and 40-60% of a cotton fiber in mass percentage by blending. The cotton fiber is a short fiber having a length of 10-50 cm. The multifunctional temperature-adaptable yarn has a linear density of 18-45 tex, a single yarn breaking strength of 12.5-12.8 cN/tex, a single yarn breaking strength coefficient of variation (Cv) of 11.5-12.5%, and a coefficient of variation of mass (CVm) of 11.3-11.4%.
A preparation method of a multifunctional temperature-adaptable yarn includes the following steps:
The multifunctional temperature-adaptable yam is obtained through the above-mentioned steps. A knitted fabric or a woven fabric prepared from the multifunctional temperature-adaptable yarn is then used to produce a textile for practical use.
In this example, the temperature-adaptable fiber used is TEMPSOLUTION® constant temperature fiber purchased from Qingdao Niximi Biological Technology Co., Ltd. The antibacterial fiber used is Freshcot®-collagen fiber purchased from Qingdao Niximi Biological Technology Co., Ltd. The antistatic agent solution is selected from a 5-20 g/L aqueous solution of antistatic finishing agent SEP8260 purchased from Shanghai Herst Chemical Co., Ltd.
The cotton fiber is selected from commercially-available regular cotton fiber, which is a short fiber having a length of preferably 20-40 cm. The reason for using the short fiber is that the short fiber can be blended with other fibers more uniformly, allowing the yarn to exhibit good properties of multiple types of fibers.
The specific process parameters of S1-S4 are as shown in Table 1.
The process of S5-S9 is unified in Examples 1˜4 and the comparative example according to the following standards:
The blended yam is tested according to GB/T 3916-1997 and GB/T 3292.1-2008, and test results are as shown in Table 2. The results indicate that in the case of using 50% of the functional fiber, the multifunctional temperature-adaptable yarn obtained in the present disclosure has significantly better physical properties than a regular multifunctional blended yarn.
| Number | Date | Country | Kind |
|---|---|---|---|
| 202211060853.5 | Sep 2022 | CN | national |
