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Title:
A NOVEL NONWOVEN INTERLINING AND PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2019/245470
Kind Code:
A2
Abstract:
The invention relates to a novel adhesive non-woven interlining used in the upholstery fabrics and its production method. The main feature of the invention relates to an adhesive non-woven interlining and production method making the finishing process of the upholstery fabrics easier, eliminating the application mistakes, developing their physical and visual features, and positively affecting the costs by reducing the process steps and the usage amounts of the main raw material.

Inventors:
SISMAN ALI ZAFER (TR)
SAFAK TAMER (TR)
Application Number:
PCT/TR2018/000072
Publication Date:
December 26, 2019
Filing Date:
July 26, 2018
Export Citation:
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Assignee:
TELASIS TEKSTIL UERUENLERI SAN VE TIC LTD STI (TR)
International Classes:
D04H5/06
Attorney, Agent or Firm:
DEMIRKIRAN, Hasan (TR)
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Claims:
CLAIMS

1. A method for non-woven adhesive interlining to be used in fabrics and its production characterized by the fottowing stages;

-Dispersing staple fiber raw materia* (110),

-Performing physical carding process (120),

-Performing roiling process by calender point bonding (130),

-Performing dust adhesive coating process by thermo-binding (140).

2. A method in accordance with claim 1 characterized in that in the stage of dispensing staple fiber raw material (110), the method comprises the steps of: pushing the whole fiber (1a) which is the raw material to be used towards cutter rollers (1c) by means of a movable belt system (1b) and transforming the whole fiber (1a) blend to the form of prooessabie stapled fiber.

3. A method in accordance with claim 1 or claim 2 characterized in that in the stage of performing physical carding process (120), it comprises the steps of: subjecting the staple fiber (1a) in raw material form which is transferred by means of die transmission fine (1e) to the carding process by means of the carding rollers (2b) in the carding line (2a) within the system and transferring the fiber (la) subjected to this process towards the rolling system (3) which is another section, in the form of a thin texture.

4, A method h accordance with claim 1 or claim 3 characterized in that in the stage of filing process by calender point bonding (130), it comprises die steps of: subjecting the non-woven fabric which are passed through the hot rollers within the rolling process (3) to the transfer process within the WEB transfer system (3a). passing the nori-woven interlining (5) above the drawing base (3d) between the smooth-hot roller (3b) at the bottom and patterned-embossed roller (3c) at the top, realizing the desired bonding process such that calender point bonding area is within die range of 8% to 30%, and finally reeling the nori- woven interlining (5) in the form of roils. 5, A method in accordance with claim 1 or claim 4 characterized In that in the stage of dust adhesive coating process by thermo-binding (140), it comprises the stef» of: locating the non-woven interlining (5) in the form df big rolls In thermo binding and winding system (4), proceeding the processed non-woven interlining (5) within the system and sprinkling the thermoplastic polymers which is previously located in the thermoplastic chamber (4b) In the amounts within the range of 5 g/m2 to 40 gfrn2, subjecting the thermoplastic material (4a) which stays on the non-woven interlining (5) to the heat by infrared heater (4c) and enabling the polymers to melt and expand and thus to adhere onto the non- woven interlining, passing the non-woven interlining (5) between the cooler rollers (4e), cooling and reeling it up to the thermoplastic-coated non-woven interlining reel (4f) which is located in the other end.

6. Adhesive new-woven interlining which is a backing material used in the fabrics and positively changing the properties of the fabric characterized In that the non-woven interlining (5) of the invention comprises texture recesses (5b) whose mounted form on the fabric (5d) is essentially on the non-woven layer (5a) located a* the bottom, and said non-woven layer (5a), and thermoplastic- adhesive layer (5c) attached on non-woven interlining (5) from this sections by firing process and between these texture recesses (5b).

Description:
A NOVEL NONWOVEN INTERLINING AND PRODUCTION METHOD

Technical FWd of the Invention

The invention relates to a production method of an adhesive nonproven interlining used in the upholstery fabrics and interlining obtained by this method. The main feature of toe invention is to be related to an adhesive non-woven Interlining and production method making the finishing process of the upholstery fabrics easier, eliminating the application mistakes, developing their physical and visual features, and positively affecting toe costs by reducing the process steps and the usage amounts of the mam raw material.

State of the Art

While useful materials produced for all purposes by means of technological developments in many fields have increasingly been seen in the market, the areas where non-woven fabrics are used are also increasingly expanded. Non-woven fabrics are sterile products commonly seen in many fields, whose utility area is wide and comprising no extensive knitting processes. We discover the products being non- woven and made of this material such as medical products, wet wipes and towels used for sterilization, hygienic products, coatings and seat covers used in public transportation, felts used In the automotive industry, etc. These products whose production and usage is easier than the other fabrics having similar properties and which can also be used aa disposable products will have much more varied usage areas.

The non-woven interlining (coated and uncoated interlining non-woven) which is addressed as the subject of the invention is a novel product serving as a model for the development of the usage areas of toe non-woven products described above. Interlining is an interlayer attached to toe fabric in different manners in order to achieve the appearance, quality and efficacy expected from the garment and used by locating between the fabric and lining in the garment. It provides volume and resistance to the fabric, contributes to toe form to be supplied for toe garment and functions as a support for the fabric in the processes such as sewing, washing, and ironing. Its duties are supporting the form and resistance of the garment, reducing the tendency to wrinkle, and creating a certain hardness and form thereto, totorttotogs which started to be used to the early 1950s have become an inseparable part of the garments. Interiinings may be obtained from natural or man-made fibers, while they are commonly produced by ‘non-woven' techniques as fiber dothes currently.

The best method of adhering the interlining to the surface of the fabric is pressing. During the processing onto the fabric, adhesive material on the interlining are made liquid by heating and H penetrates into the fabric by pressure. After the process, the Mqiid cools and the fabric and interlining are adhered to each other. The type of the interlining to be used differs in the property of the fabric to be applied on. Their features to be economical and strong play an important role to determining this deference.

Interlining appfications of the prior art causes various undesirable results and cost in accordance with the type of the interlining applied. The first of the undesirable results of such appiicatione is wringing in tine fabric and effects on tine fabric form. The disadvantages of tine type of the material used in the adhering process of the applied interlining are other properties and significant disadvantages in terms of increasing the costs and unnecessary usage of chemicais. The present methods applied during the finishing stage of the upholstery fabrics are napping and preparing the PES woven raw fabric for the coating by needle punching method and fabric backing method by means of acrylic binder in a stenter machine. This method is realized by two stages. There is the issue of using excessive amount of acrylic binder in order to introduce physical and visual features to the fabric. This is one of the disadvantages causing high costs. Cforing the final usage, fastness to wishing is low because tire finishing of the fabric includes only acrylic tinder. Also, one of the disadvantages causing fabric damages is needle punching process without using interlining which is used for napping the fabric. Being one of the application methods of the prior art, in the process of coupling the PES woven raw fabric and interlining by needle-punching and then coating the needte- punched fabric with an acrylic binder in a stenter machine, tire interlining is a product which is not flexible and it causes visual and physical defects such as wrinkling and creasing during the application on the fabric, it leads to increases to business wastages and so enhances the costs because such interiinings cannot be produced to desired width. Also, one of the disadvantages of the method is that its visual quality is lower compared to the first method and it is not commonly preferred in the market.

The fad that the interlining is ea stay removed from the fabric because it is free of adhesive and coating in the first applied method of die prior art is the issue complained by the clients. The usage of acrylic binder is increased in order to minimize this situation, which is another disadvantage causing the increases in the costs. in Russian Patent RU2539158, composite materials used in producing Inner coating, upholstery and furniture and in construction; adhering the non-woven fabrics related to said products by heating; and the uses of these products are described. However, said patent comprises information about the invention subject such as non-woven interlining which is adhesive and non-adhesive (coated and non-coated) applied on upholstery fabric and adhering said interlining kind to another fabric.

In Japan Patent No. JP2015108199, an adhesive fiber lining and a production method thereof which prevents adhesive fiber lining from shining and leaking are described. In said patent, the intertining which is adhered on the fabric by means of thermally stretching microcapsuies are described and any statement about the non-woven intertining whose raw material is fiber does not comprised in this patent in China Patent No. CN1050Q2750, the production method of hot-melted adhesive fiber feiing which is used in the working clothes is described. Said patent comprises production process, raw material, weaving, releasing and washing, beam dyeing, drying, purification, bilateral feeding and similar steps. In said patent, there is not any statement about the adhesive non-woven interlining.

In Japan patent No JP2015214764, adhesive fiber lining production being capable of prevent the damages on the surface of the fabric because of misalignment, by preserving the soft texture of the front face of the fabric was described. No information about an adhesive non-woven interlining application has been seen in the said patent.

In China Patent CN105506998, an interlining type which is positioned on foe fabric by heat and which comprises adhesive on it and processes of applying this intertining on the fabric is described. Covering sense of the doth becomes higher because said fiber lining is introduced Onto the fabric and because the hardness of the fiber lining is high. No information about an adhesive non-woven interlining application has been seen in the said patent. in said peter*», currently used interlining processes in the prior art were disclosed, however a new and adhesive non-woven interlining production, applying this interlining type on other fabrics in the most optimum manner, and studies performed for a better conclusion were not mentioned.

Technical Problem» Aimed by the Invention to be solved

The aim of the production method of the adhesive non-woven interlining of foe invention and developing foe interlining produced by this method is to enable finishing processes of the upholstery fabrics, developing physical and visual futures of the fabrics on which they are used, by eliminating the application defects, and developing a new adhesive interlining and application method by reducing process steps and the amount of main raw» material used and by positively effecting foe coats.

The first advantage of the adhesive non-woven interlining is that said adhesive interlining creates an adcStional layer by increasing the resistance of the fabrics on which the interlining is mounted and enhances the strength and durability of the fabric. In addition to said advantage, interiining-fabric mounting process which is performed in foe previous methods in longer durations may be performed in one stage by this novel production method of interlining . Another advantage of foe non-woven interlining of the invention is that it increases the physical and visual properties of the fabric on which it is mounted above the expectations of the clients. By applying said non-woven interlining on the fabric, defects such as winkling and creasing are not observed on foe fabric, which increases foe quality and performance ofthefabrtc.

Another advantage <rf the non-woven interlining of the invention is that chemical acrylic binder usages may be reduced or totafly removed by using said adhesive interlining. This is the esse to reduce costs and thus to make sad product and application method preferable. Another advantage of the non-woven interlining of the invention is that applied non- woven interlining isn’t easily removed from toe fabric because it is adhesive. This reduces or eliminates the usage of acrylic binder which is used for durability and decreases the costs.

Another advantage of the non-woven interlining of the invention is that adhesive interlining produced to the desired width leads to decrease business wastages and second-quality production radically, thus reducing the costs. Also, large product range of saad adhesive non-woven interlining reduces the weft number in the woven fabric and thus has the effect on reducing the costs again.

Another advantage of She non-woven interlining of toe invention is that upholstery fabrics are supplied with a high-level property with physical strength and fastness to washing by using said adhesive interlining.

Figures writ be used for better understanding non-woven interlining of the invention and its oroduction method.

Description of the Drawings

Figure 1 schematically shows the fiber dispersion system used to enable the raw material used in producing adhesive non-woven interlining of toe invention to be made

Figure % schematically shows toe carding process of the fiber raw material used in producing adhesive non-woven interlining of the invention.

Figure 3a schematically shows the roiling process used in production method of the adhesive non-woven interlining of the Invention.

Figure 3b is the partial perspective drawing showing the texture structure on the non- woven product created in the production method of toe adhesive non-woven interlining.

Figure 4 schematically shows toe thermo-binding and winding process used to toe production method of toe adhesive non-woven interlining of the invention. Figure 5 is the drawing showing the adhesive non-woven interfining of the invention and its layers. Figure O shows the flow chart of the production stages of the production method of the adhesive non-woven interlining of the invention.

Reference Numbers of the Sections and Parts to Serve for Describing the invention

5d- Fabric

Interlining production stages; 110: Dispersing stapfe fiber raw material

120: Performing physical carding process

130' Perf rbvwrmr uinuo r >olfin nas oro wcewsasw b >rv c Mawle ¾ rin tdvewr j orwoin tty b H j Pown ldynin >o¾

140: Performing thermoplastic dust adhesive coating process by thermo-binding Detailed Description erf die Invention

Adhesive interlining which is produced by tee production method of the novel non- woven interlining of the invention is a novel product enabling finishing processes of the fabrics by means of being mounted on various fabrics, eliminating application defects, developing physical and visual futures of the fabrics, and positively effecting the costs by reducing process steps and the amount of main raw material used. Illustrative technical drawings will be used in order to enable tee non-woven interlining production method of tee invention and application method of adhesive interlining produced by this method on tee fabrics to understood better. However, change» may occur here to the processes and fabrics to be applied on by staying loyal to the technical factors that will be described below.

Production method of adhesive non-woven interlining is generally performed by foflowing process stages;

-dispersing staple fiber raw material (110)

-Performing physical carding process (120)

-Performing rolling process by calender point bonding (130)

-Performing dust adhesive coating process by thermo-binding (140)

Sad steps WBI be described in detail later and additionally methods about If» mounting of the fabric Which is the stage following tee production process will be mentioned. This information will be descriptive in terms of observing tee change and improvement in the mounting process due to the difference in tee production method. In adhesive non-woven interlining of the invention and its production method, firstly raw fiber (1a) enters into the fiber dispersion system (1) and turned into a planar form. Said fiber (1a) raw material Is an essential product in producing non-woven products, «id considering the storage conditions such as shipping, packaging, etc., it is the first step of the process that compressed fiber (1a) is made proceseab!e. Ally the first step, processable fiber (1a) is treated with the processes described above and processed through a series of system until adhesive interlining is produced as the final product Considering the processes performed together with the systems, the fiber (1a) is firstly subjected to the process of dispersing staple fiber raw material (11D) within the process steps created. Then, the fiber (1a) which is made planar by performing physical carding process (120) is subjected to the roMng process by calender point bonding (130) In order to provide it with a texture in the subsequent processes. During tills process performed, the fiber (1a) is treated with the process within the WEB transfer system (3a) and it is transformed to a non-woven interlining (5) and it obtains texture by means of the rollers within the system and the process proceeds from this step to another. In the thermoplastic dust adhesive coating process by thermo-binding (140), thermoplastic material (4a) is sprinkled on non-woven interlining ($) in determined interval, polymers in the sprinkled thermoplastic material (4a) in the form of dust is subjected to firing process by means of infrared heater (4c), heated and expanded thermoplastic material (4a) layer is spread on the texture which is created on the non- woven interlining (5) In the previous processes and layered non-woven interlining (5) is passed between cooler rollers (4e) in the next processes and it is coded, and it is reeled up to tig-scaled thermoplastic coated non-woven interlining reels (4f). Here, thermoplastic coated non-woven interlining red (4f) refers to the feature of non-woven interlining to which is reeled up, instead of the feature of the reel its eHL Ai these processes and systems which are used ih the processes wifl be addressed in the following sections in (Mail,

Adhesive non-woven interlining (5) of the invention is comprised of non-woven layer (5a) located below which is obtained after said process steps, texture recesses (5b) on said non-woven layer (5a), and a thermoplastic-adhesive layer (5c) attached on non- woven interlining (5) from this sections by firing process and between these recesses. Adhesive non-woven interlining (5) and as mounted form on the fabric (5d) is further showed in a layered manner in Figure 5, Fiber dispersion system (1) which is the first system used in adhesive non-woven interiining ofthe invention and its production method is comprised Of a belt system (1b), preferably 4 consecutive cutter reels (1c) Ideated on the belt system, a chamber (1d) in which said cutter reels (1c) are located, and a transmission fine (1e) enabling the transfer of staple fiber (1a) to the other systems. This system is shown in Figure 1 in detail.

Fiber carding system (2) being tee other system to which the material exiting from fiber dispersion system (1) is transferred and which is the second system used in adhesive non-woven interlining of the invention and its production method is comprised of carding rollers (2b) realizing the carding process and a carding line (2a) «lading the staple fiber to be rolled around the carding refers. This system is shown in Figure 2 in detail.

Rolling system (3) which realizes the process following the fiber carding system (2) and which is the third system used in the adhesive non-woven interlining of the invention and its production method is comprised of preferably a WEB transfer system (3a), an interconnected smooth-hot roller (3b) enabling carded fiber (1a) to be pressed in order to be rolled and patterned-embossed rofer (3c), and drawing base (3d) on which the rolling process is realized. This system and texture recesses (5b) on the non-woven interlining (5) is shown in detail in Figure 3a and Figure 3b.

Thermo-binding and winding system (3) where the processes are conducted after rolling system (3) and which is the last system used in the adhesive non-woven interlining of the invention and its production method is comprised of a thermoplastic chamber (4b) where the thermoplastic material is located in order to provide the adhesive effect on the adhesive non-woven interlining (5), a non-woven interlining reel (4d) on which the non-woven interlining (5) to be processes in this section is reeled, an infrared heater (4c) enabling the thermoplastic material (4a) sprinkled on the non- woven interlining (5) to be bonded on the material by heating, after the said infrared heater (4c), coder refers (4e) enabling the adhesive non-woven interlining (5) to be cooled, and a non-woven interlining reel (4f) on which cooled thermoplastic coated non-woven interlining (5) is reeled up. This system is shown In Figure 4 in detail. Fiber (1a) types used in producing non-woven interlining (5) are polypropylene, polyethylene, polyester, viscose, polyamide, low melting types of said fibers (Co-), flame resistant (FR) types of these fibers, and mixtures of the stated fiber (1a) types in certain amounts. The colors of the fibers used are white, black, gray, and mixtures of these colors.

When the production method of the adhesive non-woven interlining (5) of the invention to be used in the upholstery fabrics is addressed, it is essentially comprised of the following steps:

-Dispersing staple fiber raw material (110)

-Performing physical carding process (120)

-Performing rolling process by calender point bonding (130)

-Performing dust adhesive coating process by thermo-binding (140)

The steps of these stages are described below:

Dispersing staple fiber raw materia! (110): Supplying raw fiber (1a) with a planar form by introducing it into the fiber dispersion system (1) is the first step of the process. Fiber (1a) types used in producing adhesive non-woven interlining (5) are p<%propylene, polyethylene, polyester, viscose, polyamide, low melting types of said fibers (Co-), and mixtures of the stated fiber types hi certain amounts. Said fiber types (1a) are pushed to the cutter reels (ic) within a chamber (1d) by means of a movable belt system (1b) and the integral fiber (1a) is transformed into a processable stapled fiber (1a) form. Said processable fiber (1a) is sent into another system, i.e. the fiber carding system (2) by means of transmission line (1e) for the subsequent processes.

Performing physical carding process (120): Stapled fiber (1a) is pulled into the fiber carding system (2) by means of the transmission line (1e). Stapled fiber (1a) which is transferred by transmission line (1e) is subjected to the physical carding process on the carding line (2a) within the system by means of carding rollers (2b). The fiber (1a) which is treated by this process is leaded to another section i.e. rolling system (3) in the form of a thin layer having a texture on itself. Performing rolling process by calender point bonding (130): Non-woven material which is subjected to physical canting process and transformed into a layered form Is subjected to rolling process by calender point bonding, in this process, non-woven material to be subjected to hot roiling is firstly subjected to the transfer process within the WEB transfer system (3a). Hot rollers are positioned such that the bottom is smooth-hot roller (3b) and the top is patterned-embossed roller (3c); and desired calender point bonding process is realized by passing the non-woven material between two hot rollers, in the said process, the product to be turned to a non-woven interlining (5) is reeled in the form of roll in big sizes (Jumbo noil) and after the process, cutting and reeling is performed in the desired size®. The area of calender point bonding is in the range of 8% to 30%. Then, other processes are started in order to coat non-woven interlining (5) with thermoplastic die;* adhesive and supplying it with an adhesive property. Performing dust adhesive coating process by thermo-binding (140): Non-woven interlining (5) in the form of jumbo rolls is located in thermo binding and winding system (4) and then, thermoplastic material (4a) which is previously located bt the thermoplastic chamber (4b) is sprinkled on the processed non-woven interlining which is reeled up to non-woven interlining reel (4f) by means of cooler rollers (4e). in a certain density. The amount of the thermoplastic polymer coating used in this sprinkling process (according to the weight in grams per square meter of the fabric) is in the range of 3 g/m2 to 40 g/m2. Thermoplastic material (4a) which is sprinkled and which stays on the non-woven interlining (S) is subjected to heat by infrared heater and the polymers are enabled to melt and expand and thus adhering onto the non-woven interlining. Afterwards, non-woven interlining (5) is passed through the cooler reels (4e) and enabled to be cooled and reeled up to the thermoplastic coated non-woven interlining reel (4f) located in the other end. Thermoplastic polymer types which is used for thermoplastic coating during the process are; PP, HOPE, LDPE, MORE, LLDPE, EVA, EMA, TPU, SBS, SEBS, COPES, COPA and their derivatives.

Novel adhesive non-woven Interlining (5) of the invention is applied on the fabric by some process types and so achieves its purpose of usage. These processes and sub- processes may be described as indicated below, but they are not limited thereto: -Uniting woven upholstery fabric and adhesive non-woven interlining by means of hot roller and pressure,

-Uniting woven upholstery fabric and adhesive non-woven interlining by means of ultrasound method,

-Uniting woven upholstery fabric and adhesive non-woven interlining by means of needle-punching method, -Coating woven fabric and adhesive non-woven interlining combination which has been united by heat and pressure and subjected to the process of needle-punching with acrylic binder.

Said methods ae those which are addressed after the production process of novel adhesive non-woven interlining (5) and excluded by the production process. Mao, there are types of non-woven interiinings (5) which are strengthened by sewing (Stitch Bonded For Extra Strength) along with adhering onto the fabric (5d) by means of an adhesive. Industrial Applicability of the Invention

A fabric backing is produced, which may be used for the fabric varieties on which interlining is used in the whole textile industry and which may provide strength and other desirable properties, by a novel non-woven interlining of the invention for the fabrics. In furniture industry, automotive-textile industry, leather industry, in producing plastic coating and anti-slip layers, and in carpet production facilities, non-woven adhesive interlining which is produced by ithie method can be used. Said non-woven interlining will create a new sector which will increasingly develop within the novel fabric technologies.




 
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