TR201701687A2 - Flexible and reclaimed fabric and yarn used to obtain these fabrics - Google Patents

Abstract

The invention relates to yarns and fabrics used in the textile field. In particular, the invention relates to a process for obtaining circular knitted fabrics and said circular knitted fabrics, in which elasticity and self-recovery (ability to return after applying force to the fabric) are sought; filament yarns or yarns of regenerated or synthetic materials; and yarns comprising cores of elastane yarns or yarns.

Description

DESCRIPTION Fabric with flexible and rebound feature, and yarn used in Technical Area The invention relates to yarns and fabrics used in the textile field. The invention is particularly elasticity and recoupling (rebound after force is applied to the fabric) circular knit fabric and said circular knit fabric used in obtaining knitted fabrics; from regenerated or synthetic materials core consisting of filament yarn or yarns and elastane yarn or yarns State of the Art Cause a certain degree of elongation and elongation when pulled with any force. polyurethane, which has the property of returning to its original state when the force disappears. Threads made of elastomer are called elastane. elastane yarn alone not used. In the fabric, it is used as an auxiliary yarn besides the main yarn.

Today, elastane yarn is used intensively in circular knitting machines. has been put into use. Especially elastane in thin fray circular knitting machines. yarn is common. These; single jersey, rib, interlock, ringelli, electronic jacquard, They are mini jacquard circular knitting machines. Elastane yarn in circular knitting machines It can be used alone with ground yarns or as coated yarn. is also in use.

In the present technique, in elastane fabrics, the fabric is returned after force is applied. The ability to rotate (recovery) is at the desired level by the users. does not exist. In stretch wear, as a result of daily movements, some amount of fabric yawning occurs. Relaxation in the fabric surface in the stretched part may not be able to recover. Appearance and operating performance This is an undesirable feature.

Today, stretch fabrics have a body grip, flexibility and recovery feature. is desired to have. When these features are not fully provided, some problems is compared with. The fabric does not recoup itself and its body is damaged in the first use. Even if it shakes, permanent deformations may occur on the fabric surface in short-term use. is coming.

The known developments in the current art related to the subject are given below.

The patent with the publication number EP276262081 relates to “Stretch knit fabric and garments”.

The invention is in 100% warp direction, showing a sudden temperature rise when stretched. and/or temperature rise caused by heat generation in the stretch direction 1.0C or stretch knit, consisting of an inelastic yarn and an elastic yarn, which is more is made of fabric.

The patent number TR 2015 16867, “Elastic shirting with spandex and hard yarn relates to the method of making fabric. The present invention is a core composite elastic yarn and It consists of the method of making stretch woven shirting fabrics from yarns.

The patent with the publication number EP189379281 states “Elastic fabrics containing elastomeric yarns. relates to “round knitting”. In the scope of the invention, spun and/or continuous filament single jersey french terry towel containing a pure elastomeric material covered with a stiff yarn circular knit elastic fabrics made from at least one of fabric and fleece fabrics is explained.

As a result, due to the above-mentioned negativities and existing solutions It is necessary to make an improvement in the relevant technical field due to the inadequacy of the is locked.

Brief Description of the Invention The present invention fulfills the above-mentioned requirements, has all the disadvantages It has a flexible and retrieval feature that eliminates It is about the fabric that has the same fabric and the yarn used in obtaining these fabrics.

The primary object of the invention is to use elastane fabrics after force is applied to the fabric. The ability of the fabric to return to its original state is at the desired level by the users. is to make it happen.

The invention aims to prevent image defects caused by loosening in stretch fabrics. aims.

It is an object of the invention to use a multicore yarn with an elastane-containing round To increase the usage performance of knitted fabrics.

The invention also includes; filament yarn or threads composed of regenerated or synthetic materials circular knitting of yarns containing a core of elastane yarn or yarns It aims to ensure its use in fabrics.

Another object of the invention is the service life of elastane-containing circular knit fabrics. is to increase.

Another object of the invention is that which grips the body and is not deformed after gripping, It is to provide a 'confection' product made of circular knitted fabric.

In order to fulfill the above-described purposes, the invention produces natural fiber, regenerated fiber, It is a yarn consisting of synthetic fiber or a mixture of these fibers, in the core; with at least one filament yarn composed of regenerated or synthetic materials comprising at least one elastane yarn. natural fiber, regenerated fiber, synthetic fiber or After being turned into a roving, the fibers consisting of a mixture of these fibers to the core part during the spinning process; from regenerated or synthetic materials by feeding together at least one filament yarn and at least one elastane yarn said yarn is obtained.

To fulfill the above-described purposes, the invention may be regenerated or synthetic consisting of at least one filament yarn and at least one elastane yarn It consists of fabric obtained from yarn containing core.

To achieve the objectives of the invention, said fabric is circular knit it is fabric.

The structural and characteristic features of the invention and all its advantages are detailed below. It will be clearer with the explanation. Therefore, the assessment This detailed explanation must be made taking into account.

Detailed Description of the Invention In this detailed description, the subject of the invention is a flexible and retractable fabric. and the thread used to make these fabrics is simply a better fit for the subject. for understanding and without any limiting effect is explained.

Invention is a filament yarn or filament whose core consists of regenerated or synthetic materials. yarns and a core yarn containing elastane yarn or yarns and using this yarn It consists of circular knitted fabric obtained.

Filament obtained by chemical methods or derived from natural materials threads are available. For example, some filament yarn materials are petroleum derivatives. While produced from chemicals, some filament yarn materials are of cellulosic origin.

The use of especially nylon and pes (polyester) in filament yarns is common. However, pbt Yarns such as viscose and flos can also be preferred. Filament yarn type to be selected; final the cost of the product, the desired recovery value depending on the area of use, It depends on factors such as the user's preference.

The production method of the core yarn, which is the subject of the invention, is generally; . natural fiber, regenerated fiber, synthetic fiber or the aforementioned fibers It is prepared for the spinning process of the fiber formed from the mixture and turned into a roving. bringing, o applying the spinning process to the obtained roving, o To the core of the roving, which is drawn during the spinning process, to the regenerated or at least one filament yarn composed of synthetic materials and at least one elastane feeding the yarn together, It includes the process steps of applying twisting and winding the bobbin.

The core yarn which is the subject of the invention is regenerated or synthetic which forms the core part. filament yarn or yarns and elastane yarn or yarns, natural fiber (cotton etc.), regenerated fiber, synthetic fiber or their mixture After the fibers are roving, they are inserted into the yarn core during the spinning process. obtained by feeding. Composed of regenerated or synthetic materials filament yarn or yarns and elastane yarn or yarns, yarn together at the same time feeds into the core. In existing systems, only elastane is added to the yarn core. Elastic core yarn is obtained by feeding. However, these yarns have sufficient elasticity and it does not have the feature of being able to return to its former state.

The subject of the invention is the fabric; natural fiber (cotton etc.), regenerated fiber, synthetic fiber or during the spinning process of the fibers consisting of a mixture of them; regenerated or at least one filament yarn and at least one elastane yarn composed of synthetic materials; The yarns obtained by feeding into the yarn core are used in circular knitting machines. It is a type of fabric that is formed by turning into knitted fabric. Suitable for apparel use in knit constructions designed as circular 'knit types) and desired circular knitting settings (desired diameter, fine, needle density and plate settings) by knitting, which grips the body and grips the body during clothing. Round 'knitted fabrics' that do not deform after the process are obtained.

To be used in apparel areas where elasticity and recovery are required. yarn production also requires elasticity and recovery in accordance with the place of use. feature is carried out.

The fabric, which is the subject of the invention, is a 'must-have' in accordance with its place of use. weight, elasticity and recovery properties are determined. The season in which it will be used, place of use, the form of garment to be designed, determining the weight of the fabric are factors. Then, the fabric is obtained in accordance with the desired fabric weight. The final yarn number (Ne value) to be used in the production is determined. For example filament yarn type (pes, nylon, pbt, flos viscose etc.), the thickness of the filament yarn to be used and the number in the core (1, 2 or more filament yarns, depending on the desired take-back value) used) is determined. Likewise, it is chosen according to the place of use. Depending on the stretch (elasticity) value, the type of elastane to be used, its thickness and cores (1, 2 or more, depending on the desired recovery value) pieces of elastane yarn are used). Kumasin grammar, elasticity and recovery properties, the number of yarn to be used in fabric production, the mentioned yarn Filament yarn and elastane yarn types, thicknesses and usage Core yarn production to be used in fabric production after determining the number of is carried out. The yarns created are suitable for use in apparel. desired circular knit construction (such as interlock, rib, single jersey) fabric width, fabric weight and machine plate suitable for weight and construction It is turned into fabric in the settings and dyeing processes are carried out.

The core yarn, which is the subject of the invention, is elastic and returns after force is applied to the fabric. in circular knit fabrics where recovery properties are sought. is used. Thanks to its flexibility, it wraps the body and stretches after use. the aforementioned parts of the body returning to its form before it was worn by recovering itself. material; in all kinds of underwear, underwear and outerwear; male, female, child It can be used in clothing and some home textile products.

The core yarn, which is the subject of the invention, is fed to the circular knitting machine and the knitting process and circular knitted fabrics are obtained.

The subject of the invention is the core yarn; natural fibers, regenerated fibers, synthetic fibers or their fibers composed of the mixture; threshing, chamber, comb, draw frame, roving, respectively and spinning, regenerated or synthetic filament yarn or yarns and elastane yarn or yarns, yarn It is obtained by feeding into the nucleus. natural fiber, regenerated fiber, synthetic fibers or their mixtures, respectively, before the spinning process. threshing, blow room, comb, draw frame, roving, etc. by applying the procedures it is provided to prepare the fibers for the spinning process.

The yarns produced by the ring spinning core yarn method are produced by the circular knitting method. is made into fabric. In the production of core yarn, elastane and filament yarn, It is fed into the cotton fibers that are drawn during spinning, thus It is ensured that they are twisted together.

Depending on the weight and tension required from the core yarn, which is the subject of the invention, different diameters (haze) and needle density (fine) circular knit fabrics are produced.

After knitting the fabric in the circular knitting machine, it is pre-fixed, ram, open width sanfor Knitted fabric is made ready for use by applying the processes.

Below is the fabric made using a yarn that contains only elastane in its core. core yarn containing one filament yarn and one elastane yarn in its core showing the flexibility and recovery properties of the fabric obtained by using test results are given.

Table 1. Fabric obtained by using a yarn containing only elastane in its core recovery test results for Fabric Fmax S C D A B R Modulus 60% Width direction N % % % % % % cN mm The force required for the fabric to burst in case of force is applied. amount (Bursting Strength (kPa)): 289 kPa Fabric recovery weft: 85% Fabric recovery warp: 86% Graphic 1. Fabric obtained by using a yarn containing only elastane in its core Tension variation graph for applied force Table 2. Core containing one filament yarn and one elastane yarn in its core retrieval test results for fabric made using yarn Fabric Fmax 3 C D A B R Modulus 60% Width direction N % % % % % % cN mm In the case of applying force, the force that must be applied for the fabric to burst amount (Bursting Strength (kPa)): 355 kPa Fabric recovery weft: 94% Length recovery of fabric (recovery warp): 97%

Claims (5)

REQUESTS 1. It is a yarn consisting of natural fiber, regenerated fiber, synthetic fiber or a mixture of these fibers, and its feature is; said thread, in its core, . at least one filament yarn composed of regenerated or synthetic materials, that at least one elastane yarn. 2. It is the production method of the yarn according to claim 1, and its feature is; . Preparation of natural fiber, regenerated fiber, synthetic fiber or a mixture of these fibers into roving for the spinning process, applying the spinning process to the obtained roving, applying at least one filament consisting of regenerated or synthetic materials to the core part of the roving that is drawn during the spinning process. The process includes feeding the yarn and at least one elastane yarn together, applying that twist and winding it on the bobbin. 3. It is a method according to claim 2, its feature is; It is the application of threshing, blow room, carding and drawing processes to natural fibers, regenerated fibers, synthetic fibers or their mixtures, respectively, before the roving process. 4. The fabric of claim 1 comprising yarn. 5. It is a fabric according to claim 4, its feature is; the said fabric is a circular knit fabric.