KR20080001837A - Method for manufacturing a functional yarns - Google Patents

Abstract

A method for processing a functional knitting yarn is provided to facilitate the production of the knitting yarn and improve the function of the knitting yarn, by mixing UV adsorbent and lavender-flavored microcapsule into polyester and wool-mixed yarn. A microcapsule having lavender flavor of 2-5% is manufactured. A knitting yarn, where polyester and wool is mixed at a ratio of 20-40:60-80, is spun. The knitting yarn is mixed into a functional mixture while the knitting yarn is dyed, wherein the functional mixture includes 7 wt% of benzotriazole-based UV adsorbents, 4 wt% of lavender-flavored microcapsules, and 4 wt% of binders. A curing process is performed on the mixed stuff by drying the mixed stuff at a temperature of 120-150°C for 1-3 minutes to make the functional mixture infiltrate into the knitting yarn.

Description

Functional knitting yarns {method for manufacturing a functional yarns}

The present invention relates to a processing method of functional knitting yarn, and in particular, by processing UV absorbing agent and lavender-flavored microcapsules in polyester / wool blended yarn to perform multiple processing, it saves time and energy, thereby improving the ease of production and economy and adding value. The height relates to a processing method of functional knitting yarn.

Generally, knitting yarn refers to a yarn for making knitted fabrics (knitted garments) using a hand or a machine, and functional knitting yarn is used as a raw material for making knitted fabrics having special functions used in addition to normal use. Functional fibers include high strength and high elastic fibers, flame retardant (flame retardant) fibers, medical fibers, optical fibers, etc., and the development of functional fibers to meet the needs of consumers who prefer multifunctional products that promote health. Actively underway

UV-protected fibers, which are a kind of functional fibers, are often processed into fabric fabrics or knitted fabrics, and then processed by post-processing, and are not processed into knitted garment knitting yarns. Recently, as interest in health has increased, there is a growing demand for so-called sportswear, which can be worn as sports clothes, and knitted fabrics that are larger than fabrics are suitable for improving athletic functionality. Processing to improve the functionality of the is necessary.

Up to now, some yarns have been produced by scented polyester yarns, but mainly post-processing on textile fabrics, but not on polyester and wool blend yarns.

In some sportswear processed to meet outdoor activities, UV protection is performed to protect the skin from the sun, and functional fibers have been developed that attempt to process olfactory sensitivity. In some cases, aroma processing is performed independently on the fabric fabric, but wool blend knitting products combining these two processes have not been released.

However, functional knitted yarns combined with sun protection to protect skin from ultraviolet rays and aroma processing that apply scent therapy that can relieve stress easily for stressful modern people who do not have time for stress The necessity of the situation is emerging.

The present invention has been invented to solve the above problems, by minimizing the process change of the existing yarn production, by combining the directional processing with excellent UV blocking effect and stress effect economical and differentiated The purpose of the present invention is to provide a manufacturing method of functional knitting yarn that can improve health by producing a product and using a simple method of wearing clothes.

The present invention for achieving such an object,

Lavender-flavored microcapsules having a concentration of 2% to 5% are prepared, spun knitted yarns in which polyester and wool are mixed at a ratio of 20 to 40: 60 to 80, and then spun In the dyeing process, a functional mixture consisting of 7% by weight of a benzotriazole UV absorber, 4% by weight of lavender microcapsules and 4% by weight of a binder is mixed with a knit knitting yarn and dried at a temperature of 120 ° C. to 150 ° C. for 1 to 3 minutes. By performing the curing step to penetrate the functional mixture into the knitting yarn.

Hereinafter, the preferred embodiment of the present invention will be described in detail.

The present invention saves time and energy by simultaneously processing a UV absorber and a lavender flavor microcapsule in a polyester / wool blend yarn to be used in sweaters, cardigans, vests, etc., which can be used for golf wear, casual clothes and school uniforms. It is to process the functional knitting yarn to improve the ease of production and economics.

<Example 1>

In the state of producing a microcapsule with a lavender flavor having a concentration of 2%, a knitted knitting yarn in which polyester and wool are mixed in a ratio of 40:60 is spun. In the dyeing process of spun knitted yarn, a functional mixture consisting of 7% by weight of benzotriazole-based UV absorber, 4% by weight of lavender microcapsules and 4% by weight of binder is mixed with knit knitting yarn and dried at 130 ° C. for 2 minutes. The functional mixture is penetrated into the knitting yarn and fixed.

<Example 2>

In the state of preparing a microcapsule with a lavender flavor having a concentration of 3%, a knitted knitting yarn in which polyester and wool are mixed in a ratio of 30:70 is spun. In the dyeing process of spun knitted yarn, a functional mixture consisting of 7% by weight of benzotriazole-based UV absorber, 4% by weight of lavender microcapsules and 4% by weight of binder is mixed with knit yarn and dried at 150 ° C. for 1 minute. The functional mixture is penetrated into the knitting yarn and fixed.

<Example 3>

In the state of preparing a microcapsule with a lavender flavor having a concentration of 4%, a knitting yarn for knit in which polyester and wool are mixed in a ratio of 20:80 is spun. In the dyeing process of spun knitted yarn, a functional mixture consisting of 7% by weight of benzotriazole-based UV absorber, 4% by weight of lavender microcapsules and 4% by weight of binder is mixed with knit yarn for 3 minutes at high temperature at 120 ° C. Drying is carried out to fix the functional mixture by infiltrating the knitting yarn.

In the processing method of the functional knitting yarn according to the present invention, a benzotriazole type is used as a UV absorber for spinning and knitting the polyester and wool having the best UV blocking rate.

As shown in Table 1, as a result of evaluating the UV blocking rate according to the blend ratio of polyester and wool, the UV blocking rate was 7-12% for UV-R, 13% for UV-A, and 5 for UV-B than before treatment. There was no significant difference according to the blending ratio by ˜6%.

Table 1 Comparison of UV protection rate according to blending ratio of polyester and wool.

Blend Ratio (T / W)  Before UV absorber treatment  After UV absorber treatment UV-R 290-400nm UV-A 315-400nm UV-B 290-315nm UV-R 290-400nm UV-A 315-400nm UV-B 290-315nm 20/80 82.4 80.1 89.9 93.8 93.4 95.3 30/70 82.2 79.9 90.0 94.1 93.6 95.6 40/60 81.8 79.6 89.4 94.0 93.5 95.5

Wavelength spacing; 5nm o / d method, UV-Vis-NIR Spectrophotometer

Referring back to Table 1, in the method of processing the functional knitting yarn according to the present invention, the components of the fiber are 100% wool unfinished, 100% wool preshrunk, respectively, and the ratio of 20 to 40: 60 to 80 of pulley ester and wool When the mixed yarn was used and the benzotriazole type was used as the UV absorber, and after mixing with the wool after treating the UV absorber in the state of short polyester, UV blocking ratio was 7.8% for UV-R and 9.3 for UV-A. %, UV-B increased 2.1%. In addition, after blending and spinning polyester fibers and wool, when the benzotriazole-based UV absorber was processed during the dyeing process, the UV blocking rate was 8.6% for UV-R, 10.2% for UV-A, and 2.9% for UV-B. Increased by

Therefore, the UV blocking effect of the blended blend of polyester and wool was shown to be the largest, and the UV blocking effect according to the blending ratio of polyester hardly occurs. The blend rate can be determined.

In addition to the benzotriazole-based ultraviolet absorbent as a fragrance capsule for aroma processing with a stress effect mixed in the knitting yarn according to the present invention, a micro-flavor capsule of lavender flavor is used. The concentration of the micro-flavor capsule of the lavender flavor can be used a flavor capsule having a concentration of 2% to 5%, respectively. When the concentration of the micro-flavored capsule is less than 2% concentration, the aroma effect is insignificant, and when the concentration of the micro-flavored capsule is more than 5% concentration, rather adverse effects due to the odor.

In the functional knitting yarn according to the present invention, as a result of evaluating the preference of 80 men and women for the fragrance oil known to be effective in reducing stress such as lavender, clary sage, and jasmine, lavender was selected as the most preferred lavender 30, 40 When inhaling the most preferred lavender fragrance for the teenager, as shown in <Table 2> confirmed that the vital signs such as blood pressure, pulse, blood flow, and the stress index are both stress-reducing effect, functional lavender according to the present invention natural lavender fragrance Was processed into microcapsules.

TABLE 2 Vital signs and blood flow changes before and after inhalation of perfume.

division Blood pressure (mmHg) Pulse rate (times / minute) Blood flow (mv) High Low When wearing a fragrance untreated jacket 128.4 76.4 75.0 7.25 When wearing a lavender flavored jacket 117.2 71.8 74.6 8.95

As shown in Table 2, systolic blood pressure decreased by 9%, diastolic blood pressure decreased by 6%, pulse rate decreased by 0.01%, and blood flow increased by 1.1%.

In addition, as shown in <Table 3> and <Table 4>, the physical and psychological stress reduction effects of before and after the inhalation of lavender fragrance, the fresh and romantic fragrance of lavender fragrance was excellent in physical and psychological stress reduction effect .

Table 3: Physical stress scores before and after inhalation of perfume (Mean ± SD)

Contents Before inhalation of fragrance After inhalation of fragrance Blows 1.56 ± 0.73 0.79 ± 0.81 Heart pounding 1.00 ± 0.87 1.00 ± 1.26 Face, body spasm 1.11 ± 1.36 0.71 ± 0.96 dizziness 1.56 ± 1.13 0.99 ± 1.08 Sweaty 1.11 ± 1.36 0.85 ± 0.89 Sensitive 1.78 ± 0.97 1.34 ± 1.38 lumbago 2.11 ± 1.45 1.46 ± 1.30 Eyestrain 2.67 ± 1.66 1.83 ± 1.56 Stiff neck or shoulder 2.89 ± 1.36 2.00 ± 1.54 headache 2.00 ± 1.50 1.47 ± 1.31 Infectious disease (cold, laryngitis) 1.00 ± 1.32 0.79 ± 1.06 Constipation 1.89 ± 1.45 1.33 ± 1.41 Fever 1.11 ± 1.05 0.58 ± 0.76 Indigestion 1.33 ± 1.32 1.07 ± 1.34 diarrhea 1.11 ± 1.05 0.42 ± 0.71 Total 24.22 ± 14.36 16.62 ± 12.68

Table 4: Psychological stress scores before and after inhalation of perfume (Mean ± SD)

Contents Before inhalation of fragrance After inhalation of fragrance Become very nervous or anxious 1.22 ± 0.67 1.02 ± 1.10 I feel very upset 1.00 ± 0.71 1.11 ± 1.27 Being very nervous about even the smallest things 0.78 ± 0.97 0.87 ± 1.07 Feeling of helplessness 0.67 ± 0.71 0.75 ± 1.13 Not calm 1.33 ± 1.12 1.04 ± 1.12 Fatigue until morning and no energy at work 2.11 ± 0.93 1.31 ± 1.39 Can't control his feelings in anger 0.89 ± 0.60 0.67 ± 0.97 I was in distress because of something I didn't think of 0.89 ± 0.60 0.65 ± 0.98 Serious agony did not leave my head 1.89 ± 0.78 1.27 ± 1.04 I'm not satisfied with everything I fall into desire 1.33 ± 0.71 0.93 ± 1.04 I could not concentrate on everything. 1.33 ± 1.00 1.03 ± 1.02 I'm afraid to stick my face out 0.67 ± 0.71 0.31 ± 0.73 Can't see others' eyes straight 0.33 ± 0.71 0.32 ± 1.05 Make the same mistake 0.78 ± 0.67 0.55 ± 0.93 It is not easy to spend time with family, close person 0.22 ± 0.44 0.30 ± 0.73 Total 15.44 ± 7.58 12.12 ± 12.64

As shown in <Table 2> to <Table 4>, lavender scent decreases stress index and vital signs and increases blood flow, thus stably acting on the autonomic nervous system.

And, according to the resultant fiber component measured the fixing rate (taken by SEM photo), tensile strength and elongation of the flavor capsule under the curing temperature of the functional knitting yarn according to the present invention at 130 ℃ and 150 ℃, respectively In the case of + polyester blended yarn, the fixing rate was the highest. Here, the higher the concentration of the capsule and the curing temperature, the higher the fixation rate, but the higher the curing temperature at the same capsule concentration, the lower the tensile strength and elongation at the same curing temperature. Optimum processing conditions that do not reduce the elongation of is preferred to dry for 2 minutes at a cure capsule concentration of 4%, curing temperature 130 ℃ in preshrunk wool + polyester blend yarn.

As a result of evaluating the sunscreen and stress reduction effect by fabricating the test cloth using the functional knitting yarn according to the present invention, the UV blocking rate of the test cloth according to the present invention was 93% or more on average, and was manufactured using the knitting yarn according to the present invention as a yarn. When the cardigan was worn, alpha wave power was increased in all areas of the brain, and it showed stable alpha wave and beta wave peaks, which were stable and relaxed in arterial blood flow rate, blood pressure, and pulse rate.

As described above, the functional knitting yarn processing method according to the present invention realizes a multifunctional product production by combining a good UV protection effect and a stress-oriented directional processing while minimizing the process change of yarn production, the recent gwansam of consumers It is widely used for wool blend knitted garments such as sweaters, cardigans, and vests that can be used for increasing golf wear, casual clothes and school uniforms. In addition, when wearing a functional knitted yarn made of yarn, cardigans, sweaters, etc., when wearing cape's clothing to protect the skin by blocking ultraviolet rays and at the same time inhaling lavender fragrance, you can see the stress-reducing effect, easy to wear clothes In this way, you can improve your health.

Although the preferred embodiments of the present invention have been described in detail above, the present invention is not limited thereto and may be improved or modified by those skilled in the art within the scope of the technical idea of the present invention.

Claims (1)

To prepare a microcapsule of lavender flavor having a concentration of 2% to 5%, spun a knit knitting yarn in which polyester and wool are mixed at a ratio of 20 to 40: 60 to 80, and then knit knitting yarn for the knit In the dyeing process of the benzotriazole-based UV absorber 7% by weight, lavender microcapsule 4% by weight and a binder 4% by weight of the functional mixture of the knitted yarn and mixed at a temperature of 120 ℃ ~ 150 ℃ 1 minute ~ 3 A method of processing functional knitting yarns by drying in minutes to perform curing to penetrate and fix the functional mixture into knitting yarns.