JP5543829B2 - Knitted fabric for skin adhesive tape, skin adhesive tape using the same, and method for producing knitted fabric for skin adhesive tape - Google Patents

Description

  The present invention relates to a tape knitted fabric, a tape for attaching a skin using the same, and a method for manufacturing a tape knitted fabric, and more specifically, orthopedic areas such as body reinforcement or correction in sports, body trimming, and rehabilitation. Alternatively, the present invention relates to a skin adhesive tape, a tape knitted fabric, and a method for producing the same, which are used for members for external use in skins such as adhesive bandages, poultices, plasters, packs, and patches.

  Skin adhesive tapes are used in various fields such as medical emergency bandages, plaster, and taping tapes in the medical field and sports field. In particular, it has the effect of reducing pain by fixing joints, muscles, etc., and supporting, reinforcing, and compressing the parts, and further promoting healing, and is relatively inexpensive and safe. Therefore, it is suitably used for sports injury prevention and emergency measures. In recent years, it has been formed into various shapes depending on the application and application part, and is manufactured and sold as an adhesive tape or an adhesive sheet. Furthermore, it is also used as a member for external use of skin represented by an adhesive bandage as described later.

  In addition to the adhesive function, the skin adhesive tape is required to have various functions and performance such as stretchability, kickback (restoration or compression), low modulus, flexibility, hypoallergenicity, and water repellency. ing. For example, when it is used for a part that bends and expands and contracts greatly, such as a joint, it needs moderate restraint force and stretching stress that can fix the application part, but it has moderate elasticity that can follow the movement of the skin. It is also necessary to have Moreover, in order to maintain the fixing property by taping, it is important to have a sufficient kickback property that does not relieve stress over time. Furthermore, in order to be able to continue sticking comfortably for a certain long time, it is preferable to have high air permeability. In addition, it is desired that fraying and dripping hardly occur and that it is easy to handle.

  Conventionally, as a base material for a tape for skin application, an elastic fabric obtained by weaving a stretchable yarn into a cotton fabric, a strong twisted fabric made of a twisted yarn, and the like have been used. For example, a bandage has been proposed in which followability is improved even for a curved surface portion to suppress misalignment, and the affected area is securely fixed during use (Patent Document 1). However, this bandage has a low stretch rate of 10-40% in the length direction and a low stretch rate of 4-15% in the width direction. However, the followability is not sufficient, and there is a problem that the movement of the sticking portion is excessively restricted. In addition, skin adhesive tapes using these woven fabrics have a low modulus and moderate strength, but have poor stretchability and kickback properties. There was a problem.

  In order to improve followability, for example, a tape-shaped narrow warp knitted fabric (Patent Document 2) and a tape-shaped knitted base material (Patent Document 3) having a warp knitted structure have been proposed. These tape-like materials have high extensibility and improved followability, but the warp and weft elongation stress is not sufficient, and the effect of restraint is low when affixed to elbows and knee joints with severe flexing motion. was there. In addition, since it is knitted with a swinging structure, there is a problem that the thickness is increased or the film is easily curled after being cut into a tape shape.

JP 2002-204810 A JP-A-62-53456 JP 2001-161742 A

  The present invention has been made against the background of the problems of the prior art, and its purpose is to be sufficiently attached even to a portion that is firmly attached to the skin and does not loosen during use, such as a joint, which is greatly bent and stretched. Provided are a skin adhering tape, a tape knitted fabric, and a method for producing the same, which have excellent fixing performance and elasticity to follow the movement of the skin surface and are difficult to peel off even when applied for a long time. There is.

  As a result of intensive studies on the above problems, the present inventors have completed the present invention. That is, the tape knitted fabric of the present invention is a warp knitted fabric knitted into a power net structure with inelastic yarns and elastic yarns, and has a thickness of 0.3 to 0.6 mm. It is. In this way, a warp knitted fabric knitted into a power net structure with inelastic yarns and elastic yarns makes the tape knitted fabric stretchable in both the vertical and horizontal directions (length direction and width direction). As well as excellent breathability. In addition, by setting the thickness within the above range, the tape knitted fabric can appropriately restrain the application portion without hindering the movement of the joint portion.

The tape knitted fabric has a non-elastic yarn fineness of 33 to 100 dtex and an elastic yarn fineness of 15
It is preferably 5 to 470 dtex, the course density is 150 to 210 lines / inch, and the well density is 30 to 50 lines / inch. In addition, the elongation at break is 140% or more for both warp and weft, the break strength is 150N for both warp and weft, and the stress at 20% elongation is 1 to 10N for both warp and weft individually. Or it is preferable to satisfy all.

Further, the tape knitted fabric preferably has an elongation recovery rate of 80% or more in terms of warp and weft after 80% elongation at break. It is preferable that the warp / longitudinal elongation ratio is 1.0 to 10. The air permeability is preferably 250 to 500 cc / cm ² · s.

  The skin sticking tape of the present invention is characterized by using the tape knitted fabric. The adhesive tape is preferably laminated on the needle loop surface of the tape knitted fabric. The skin sticking tape of the present invention can be used as an adhesive plaster sheet.

  In addition, the manufacturing method of the said knitted fabric for tapes is also contained in this invention. The method for producing a knitted fabric for tape according to the present invention is such that inelastic yarns are arranged in half sets with two guide bars, and the elastic yarns are overlapped and underwrapped in the opposite directions by swinging 0 to 1 stitch. The two guide bars are each arranged in a half set, and are knitted into a power net structure by inserting them in opposite directions by swinging one needle.

  By using the tape knitted fabric of the present invention, it has a fixing performance that adheres firmly to the skin and does not loosen during use, and stretchability that follows the movement of the skin surface. It is possible to realize a skin sticking tape that is unlikely to fray at the ends. Moreover, since the skin adhering tape of the present invention has high air permeability, it can be comfortably used even in the easily stuffy part inside the elbow or knee.

It is sectional drawing explaining the structure of the skin sticking tape of this invention. It is a perspective view explaining a jumbo winding. It is the schematic explaining the preparation methods of the skin sticking tape of this invention. It is the schematic explaining the measuring method of curling property.

  Hereinafter, embodiments of the present invention will be described in detail. However, the present invention is not limited to the following embodiments, and various modifications may be made without departing from the scope of the present invention. .

  First, the tape knitted fabric of the present invention will be described in detail.

  The tape knitted fabric of the present invention is a warp knitted fabric knitted into a power net structure with inelastic yarns and elastic yarns, and has a thickness of 0.3 to 0.6 mm. is there.

<Non-elastic yarn>
Examples of the fiber material that can be used for the inelastic yarn include synthetic fibers such as polyester, nylon, and polyolefin, semi-synthetic fibers such as regenerated cellulose, and natural fibers such as cotton. These fibers can be used singly or in a mixture of various types depending on the functionality and comfort at the time of application. For example, by mixing polyester fiber with a highly hygroscopic fiber such as cotton or rayon or nylon, a tape knitted fabric with improved comfort at the time of sticking can be obtained.

  The polyester of the present invention refers to a polyester containing 80 mol% or more of polyethylene terephthalate. As the acid component, in addition to terephthalic acid or a functional derivative thereof, less than 20 mol%, preferably less than 10 mol% of isophthalic acid, adipic acid, sebacic acid, azelaic acid, naphthalic acid, p-oxybenzoic acid, 2 , 5-Dimethylterephthalic acid, bis (p-carboxyphenoxy) ethane, 2,6-naphthalenedicarboxylic acid, 3,5-di (carbomethoxy) benzenesulfonate or functional derivatives thereof can be used. As the glycol component, in addition to ethylene glycol, dihydric alcohols such as diethylene glycol, propylene glycol, 1,4-butanediol, and 1,4-pyroxymethylcyclohexane can be used. Further, for example, a copolymer obtained by copolymerizing an aromatic polyphosphonate can be used to impart flame retardancy.

  The nylon of the present invention refers to a polyamide containing 80 mol% or more of nylon 6 or nylon 66. The relative viscosity of nylon is preferably 2.5 to 4.0, and more preferably 3.0 to 3.8.

  An antioxidant, matting agent, colorant, dyeability improver, flame retardant improver, antistatic agent, etc. may be added to the synthetic fiber.

  The fiber may be a short fiber or a long fiber, and raw yarn may be processed with raw yarn. However, in order to obtain appropriate air permeability, raw yarn (flat It is preferable to use a yarn. By using raw silk, there is an advantage that when the fabric is thinned and stuck, it is difficult to fray even if it comes into contact with the outer garment.

  Further, the fineness of the inelastic yarn is preferably 33 dtex or more, more preferably 40 dtex or more, preferably 120 dtex or less, and more preferably 100 dtex or less. By setting the fineness of the inelastic yarn in the above range, a knitted fabric having an appropriate thickness can be obtained. On the other hand, if the fineness is less than 33 dtex, the knitted fabric becomes too thin and is not suitable as a pasting base material. On the other hand, if it is thicker than 120 dtex, not only the thickness becomes too thick, but also the balance with the elastic yarn becomes worse, and the elongation and elongation stress decrease.

<Elastic thread>
As the fiber material that can be used for the elastic yarn, for example, a polymer composition mainly composed of polyurethane can be used. Examples of such polyurethane include known polyurethanes such as polyether, polyester, and polycarbonate, and these can be obtained by reacting polyisocyanate, polymer diol, and optionally a low molecular polyfunctional active hydrogen compound.

  Examples of polyisocyanates that can be used include 4,4′-diphenylmethane diisocyanate, 1,4-phenylene diisocyanate, 2,4-tolylene diisocyanate, 2,6-tolylene diisocyanate, naphthalene diisocyanate, hexamethylene diisocyanate, 1,4. -One kind of cyclohexane diisocyanate, 4,4'-dicyclohexylmethane diisocyanate, xylylene diisocyanate or a mixture thereof can be used. Of these, 4,4'-diphenylmethane diisocyanate is preferable.

  The polymer diol that can be used is a substantially linear polymer having hydroxyl groups at both ends and a molecular weight of 600 to 7000, such as polytetramethylene ether glycol, polypropylene ether glycol, polyethylene ether glycol, polypentamethylene ether. Polyether polyols such as glycols; copoly (tetramethylene / neopentylene) ether diol, copoly (tetramethylene / 2-methylbutylene) ether diol, copoly (tetramethylene / 2,3-dimethylbutylene) ether diol, copoly (tetramethylene / 2,2-dimethylbutylene) ether diol and the like, a copolyether polyol containing an alkylene group having 6 or less carbon atoms; adipic acid, sebacic acid, maleic acid, itaconic acid, azelaic acid One or more of two basic acids such as malonic acid, succinic acid, glutaric acid, suberic acid, dodecanedicarboxylic acid, β-methyladipic acid, hexahydroterephthalic acid and ethylene glycol, 1,2-propylene glycol, 1 Polyester polyol obtained by reacting one or more of glycols such as 1,4-butanediol, 1,6-hexanediol, neopentyl glycol, 1,4-dimethylolcyclohexane, and polyether ester diol, Any polyol such as polylactone diol and polycarbonate diol can be used.

  The fineness of the elastic yarn is preferably 70 dtex or more, more preferably 155 dtex or more, preferably 550 dtex or less, and more preferably 470 dtex or less. By setting the fineness of the elastic yarn within the above range, a knitted fabric having an appropriate fixing function can be obtained. On the other hand, if the fineness is less than 70 dtex, the elongation stress is lowered and the action of restraining the application portion is lowered. On the other hand, if it is thicker than 550 dtex, the extensional stress increases, and the adhesive tape strongly fixes the applied portion, or the tightening is strong and the feeling of wearing tends to deteriorate.

  The mixing ratio of the non-elastic yarn and the elastic yarn constituting the knitted fabric is not particularly limited, but the non-elastic yarn: elastic yarn is preferably 55% by mass: 45% by mass to 93% by mass: 7% by mass. By setting the mixing ratio of the inelastic yarn and the elastic yarn within the above range, a knitted fabric having a good balance between stretchability and fixability can be obtained. On the other hand, if the inelastic yarn is less than 55% by mass (that is, the elastic yarn exceeds 45% by mass), the fastness of the dyed fabric deteriorates and the fabric tends to curl, which is not preferable. Further, if the inelastic yarn exceeds 93% by mass (that is, the elastic yarn is less than 7% by mass), the stretchability of the fabric is remarkably lowered, which is not preferable.

  The tape knitted fabric of the present invention may use a mixed yarn of non-elastic yarn and elastic yarn, or may knit the non-elastic yarn and elastic yarn.

<Organization>
The structure of the tape knitted fabric of the present invention may be any warp knitting including tricot knitting, Raschel knitting, and Milanese knitting, but is preferably a warp knitting knitted into a power net structure. By using warp knitted fabric knitted into a power net structure with non-elastic yarns and elastic yarns, it can give stretchability in both the vertical and horizontal directions, like shoulder, elbow, wrist, knee, heel It can be suitably used even for joints having a large range of motion. In addition, since the warp knitted fabric of the power net structure is excellent in air permeability, it can be comfortably used even in the easily stuffy part inside the elbow or knee. The term “power net structure” as used herein refers to a fabric in which elastic yarn is inserted into a mesh fabric having a space in which the yarns connecting the warp direction and the weft direction are not connected to at least one course or one well.

<Thickness>
The thickness of the tape knitted fabric of the present invention is preferably 0.3 mm or more, more preferably 0.35 mm or more, preferably 0.6 mm or less, and 0.55 mm or less. More preferred. By setting the thickness of the tape knitted fabric within the above range, it is possible to obtain a skin sticking tape that appropriately restrains the application portion without hindering the movement of the joint portion. On the other hand, when the thickness is thinner than 0.3 mm, the effect of restraining the application portion is reduced. On the other hand, if it is thicker than 0.6 mm, it not only hinders the movement of the joint part when exercising, but may become easily stuffy.

<Density>
The course density of the tape knitted fabric of the present invention is preferably 140 pieces / inch or more, more preferably 150 pieces / inch or more, preferably 210 pieces / inch or less, and 200 pieces / inch. The following is more preferable. The well density is preferably 25 / inch or more, more preferably 30 / inch or more, more preferably 50 / inch or less, and more preferably 40 / inch or less. preferable. By setting the density of the knitted fabric within the above range, it is possible to obtain a skin sticking tape that restrains the application portion and does not hinder the movement of the joint portion. On the other hand, when the course density is less than 140 / inch or the well density is less than 25 / inch, the stretchability of the knitted fabric is lowered, and there is a possibility that sufficient restraint force cannot be obtained. In addition, when the course density exceeds 210 / inch or the well density exceeds 50 / inch, the knitted fabric becomes thicker or harder, which not only hinders the movement of the joint, but also reduces the air permeability. It becomes easy to get steamed.

<Elongation at break and strength at break>
The tape knitted fabric of the present invention is preferably used also for joint portions that are bent in a complicated and large manner, so that it is desirable that the tape knitted fabric greatly expands and contracts in both warp and weft and has sufficient restraining force.

  The breaking elongation of the tape knitted fabric is preferably 140 to 400%, more preferably 140 to 300% in terms of warp and weft. By setting the breaking elongation within the above range, it is possible to obtain a tape knitted fabric having a good balance between restraint and followability. On the other hand, when the breaking elongation is less than 140%, it becomes difficult to follow the bending of the joint. Moreover, when it exceeds 400%, the restraint force of a joint part will fall.

  The breaking strength of the tape knitted fabric is preferably 150 to 400N, and more preferably 150 to 350N. By setting the breaking strength within the above range, a tape knitted fabric having an appropriate binding force can be obtained. On the other hand, when the breaking strength is less than 150 N, the restraining force when the joint is bent greatly becomes weak, and the effect of protecting the application portion is reduced. Further, if the breaking strength exceeds 400 N, the restraining force becomes too strong, and the range of motion of the joint may be narrowed and the physical ability of the body may be reduced.

  The elongation at break is the tensile elongation when a sample having a gap of 10 cm and a width of 5 cm is measured by the JIS L 1096 strip method. The breaking strength is the maximum stress at that time.

<Stress at 20% elongation>
The tape knitted fabric of the present invention desirably has a suitable tightening feeling even in a resting state where the joint is not moved. This tightening feeling is evaluated by the stress when the knitted fabric is stretched by 20%.

  The stress at 20% elongation of the tape knitted fabric is preferably 1N or more, more preferably 1.5N or more, preferably 10N or less, and more preferably 5N or less. By setting the stress at 20% elongation within the above range, a suitable tightening feeling can be obtained without moving the joint. On the other hand, if the stress is less than 1N, a feeling of looseness is produced and it becomes difficult to obtain a taping effect. On the other hand, if it exceeds 10 N, the feeling of stroking the application part at rest becomes too strong, which is not preferable.

  The stress at 20% elongation is a tensile stress measured by a JIS L 1096A method when a 20 cm grip and 5 cm wide sample is stretched to 20% elongation.

<Elongation recovery rate>
Even when the tape knitted fabric of the present invention is used in a joint portion that is bent largely, it is desirable that the tape knitted fabric does not loosen during use and has a good elongation recovery rate. This elongation recovery rate is evaluated by the elongation recovery rate after 80% elongation at break.

  The elongation recovery rate of the tape knitted fabric is preferably 80% or more in both warp and weft, and most preferably it can be completely recovered (100%). When the elongation recovery rate is 80% or more, a tape knitted fabric that does not loosen during use can be obtained even if it is used for joints that bend greatly. On the other hand, if the elongation recovery rate is less than 80%, it becomes easy to loosen during use.

<Elongation rate at 200 gf load and 1500 gf load>
In a portion where the joint portion is bent and applied to the skin having a large amount of expansion and contraction, high stretchability and strong kickback property are required for the tape knitted fabric. On the other hand, it is necessary to suppress the kickback property slightly so as not to overtighten the portion applied to the skin relatively far from the joint. Therefore, it is desirable that the tape knitted fabric has an appropriate kickback property with respect to each of the portion where the skin expands and contracts greatly and the portion where the skin expands and contracts slightly.

  The present inventors attach importance to the elongation rate at the time of 200 gf load and 1500 gf load as an index of the kickback property at the time of low elongation and high elongation, and the elongation rates at the time of 200 gf load and 1500 gf load, respectively. By setting the following range, the knitting for tape has a good balance of kickback performance while maintaining sufficient fixing performance, whether it is a part with large expansion and contraction such as a joint part or a part where the expansion and contraction is not large. I found that I could get the ground.

  The kickback property at the time of low elongation is evaluated by the elongation rate at a load of 200 gf. The elongation in the warp direction at the time of 200 gf load is preferably 10% or more, more preferably 15% or more, and further preferably 20% or more. Moreover, 50% or less is preferable, 40% or less is more preferable, and 30% or less is further more preferable. On the other hand, the elongation in the weft direction at a load of 200 gf is preferably 1% or more, more preferably 3% or more, and further preferably 5% or more. Moreover, 40% or less is preferable, 30% or less is more preferable, and 20% or less is further more preferable.

  The kickback property at the time of high elongation is evaluated by the elongation rate at the time of 1500 gf load. The elongation in the warp direction at the time of 1500 gf load is preferably 50% or more, more preferably 90% or more, and further preferably 110% or more. Moreover, 250% or less is preferable, 200% or less is more preferable, and 160% or less is further more preferable. On the other hand, the elongation rate in the weft direction at a load of 1500 gf is preferably 20% or more, more preferably 30% or more, and further preferably 45% or more. Moreover, 120% or less is preferable, 90% or less is more preferable, and 75% or less is further more preferable.

  The elongation at the time of 200 gf load and the load at 1500 gf is measured by the JIS L 1096 8.14 elongation rate A method, respectively, and the elongation rate (%) at the time of 200 gf load and 1500 gf load is obtained. is there.

<Elongation ratio of warp / longitude>
The balance of warp / kick kickback property in the present invention is evaluated based on the ratio of the stretch rate of warp / weft at a load of 200 gf to 1500 gf. The warp / weft elongation ratio of the tape knitted fabric of the present invention is preferably 1 or more, more preferably 1.5 or more, and even more preferably 2 or more at a load of 200 gf to 1500 gf. Moreover, 10 or less is preferable, 6 or less is more preferable, and 5 or less is further more preferable.

  Since the knitted fabric for tape of the present invention has the warp / weft elongation ratio within the above range, the warp direction (tape width direction) expands and contracts better than the weft direction (tape length direction). It can follow the joint part well. For example, when it is used for an adhesive bandage sheet or the like, it is possible to prevent the end part from curling. On the other hand, conventional adhesive plaster sheets, etc., use a woven fabric that is stretchable in the weft direction and hardly stretchable in the warp direction, or uses a film that stretches about the same degree in the warp and warp directions, so the follow-up to the joint is insufficient Therefore, edge curling is likely to occur.

  The warp / weft elongation ratio was determined by measuring the warp / weft stretch ratio in a state in which a constant load (200 gf to 1500 gf) was applied to the tape knitted fabric in the same manner as in the above method. Is divided by the extension rate in the weft direction.

<Air permeability>
When a skin adhesive tape is applied, a feeling of stuffiness due to sweating or the like becomes a problem. In particular, the inside of joints with a large range of motion such as shoulders, elbows, wrists, knees, heels, etc., the skin and skin adhere to each other by bending, for example, the upper arm and forearm when bending the elbow joint or knee joint, Or, since the thigh and the lower leg are in close contact with each other, it is very easy to get stuffy at such a site due to sweating or the like. A tape knitted fabric having a high air permeability is effective in eliminating the feeling of stuffiness.

The air permeability of the tape knitted fabric of the present invention is preferably 250 cc / cm ² · s or more, more preferably 300 cc / cm ² · s or more, and preferably 550 cc / cm ² · s or less. Preferably, it is 500 cc / cm ² · s or less. By setting the air permeability of the tape knitted fabric within the above range, it can be comfortably used even at a portion that is easily stuffy inside the elbow or knee. On the other hand, if the air permeability is less than 250 cc / cm ² · s, the feeling of wearing due to sweating tends to deteriorate. On the other hand, if it exceeds 550 cc / cm ² · s, the meshes constituting the fabric become too large, and as a result, the tensile strength and bursting strength of the fabric decrease, which is not preferable.

  Next, the skin adhesive tape of the present invention will be described in detail with reference to the drawings. However, the skin adhesive tape of the present invention is not limited to the embodiment shown in the drawings.

  The skin sticking tape of the present invention is characterized by using the tape knitted fabric. Specifically, the skin sticking tape of the present invention is a tape-like or sheet-like one in which an adhesive layer is laminated on one side of the base material using the tape knitted fabric as the base material. The skin sticking tape of the present invention is used by sticking directly to the skin, and the above-mentioned orthopedic region, or each skin external member such as adhesive bandage, poultice, plaster, pack, patch, etc. Can also be used. However, the skin sticking tape of the present invention is not limited to these.

  FIG. 1 is a cross-sectional view illustrating the configuration of the skin sticking tape of the present invention. The skin sticking tape 1 includes a base material 3 and an adhesive layer 5 laminated on one surface of the base material 3. Moreover, the release paper 7 may be affixed on the adhesive layer 5, and in use, the release paper 7 is peeled off and affixed to the skin. The base material 3 is the one using the tape knitted fabric, and prevents the injury during the exercise by fixing the application portion such as the joint portion by its appropriate stretchability, or reduces the injured pain, Effects such as promoting healing can be imparted. In addition, you may wind the tape for skin sticking of this invention wide like the jumbo winding 20 shown in FIG. In this case, by cutting along a broken line, it can be separated into a plurality of tape products, and productivity can be improved.

<Adhesive layer>
The pressure-sensitive adhesive that can be used for the pressure-sensitive adhesive layer is not particularly limited as long as it has flexibility and viscoelasticity that can follow the skin. For example, an acrylic pressure-sensitive adhesive, a rubber-based pressure-sensitive adhesive, and a vinyl ether-based pressure-sensitive adhesive , Silicone adhesives, gel adhesives, and the like.

  The thickness of the pressure-sensitive adhesive layer is preferably about 20 to 100 μm, more preferably about 30 to 90 μm, from the viewpoint of appropriate skin adhesiveness.

  As a method of laminating the pressure-sensitive adhesive layer on one side of the base material, for example, by applying the pressure-sensitive adhesive on the release paper and adhering the pressure-sensitive adhesive side of the release paper to the base material, a skin patch with high air permeability can be obtained. A wearing tape is obtained. For example, as shown in FIG. 3, a pressure-sensitive adhesive layer (not shown) is formed in advance by coating the release paper 17 with the pressure-sensitive adhesive 15 and drying, and the pressure-sensitive adhesive layer and the base material knitted fabric 13 as a base material. By adhering and adhering to each other, the skin sticking tape 11 in which the adhesive layer is laminated on the tape knitted fabric 13 can be obtained. If this skin sticking tape is cut to a predetermined size, a medical emergency bandage or the like can be obtained. Of course, like general bandages, after the adhesive side of the release paper is bonded to the base material, the release paper is peeled off, then gauze is placed on the adhesive layer, and the release paper is laminated to cover the gauze. Then, it can also be produced by cutting to a predetermined dimension. The tape structure is not limited at all, not limited to the tape for skin attachment, but based on the tape knitted fabric of the present invention.

  The pressure-sensitive adhesive layer is generally applied to the entire surface, but may be applied in stripes or patterns, and the comb is fixed during application using a comb-shaped mold, or the amplitude is moved. Then, it may be applied in a desired stripe shape or wave shape.

  Moreover, it is preferable that the said adhesive layer is laminated | stacked on the needle loop surface of the knitted fabric for tapes. By laminating the pressure-sensitive adhesive layer on the needle loop surface, the end portion of the obtained skin sticking tape tends to curl toward the skin side, so that the end portion is not easily peeled off even when stuck for a long time. When the lamination is reversed, the force of curling the end portion of the skin adhering tape to the side opposite to the skin surface moves, and the end portion is easily peeled off due to rubbing with clothes or the like.

  Hereinafter, the method for producing the tape knitted fabric will be described in detail.

  The method for producing a knitted fabric for tape according to the present invention is such that inelastic yarns are arranged in half sets with two guide bars, and the elastic yarns are overlapped and underwrapped in the opposite directions by swinging 0 to 1 stitch. The two guide bars are each arranged in a half set, and are knitted into a power net structure by inserting them in opposite directions by swinging one needle.

  The knitting method of the tape knitted fabric may be any warp knitting including tricot knitting, Raschel knitting, and Miranese knitting as described above, but knitting to a power net structure is desired. That is, inelastic yarns are arranged in half sets with two guide bars, respectively, and elastic yarns are set in half sets with two guide bars respectively while overlapping and underwrapping each other in the opposite direction by swinging 0 to 1 stitch. Arrange and insert in the opposite direction by one swing.

  By knitting into a power net structure by such a movement of the yarn, it is possible to obtain a tape knitted fabric having high breathability and being difficult to fray while having stretchability and breaking strength. Moreover, according to this manufacturing method, even if the produced tape-shaped knitted fabric is cut into a tape shape, the end portion is hardly curled.

  In particular, a thin knitted fabric with good air permeability can be manufactured by arranging the inelastic yarn in a half set. Moreover, a thin and symmetrical knitting structure can be formed by overlapping and underlapping inelastic yarns in the opposite directions with 0 to 1 stitch swing. On the other hand, it is not preferable to place the inelastic yarn in a full set because the fabric becomes thick and the air permeability deteriorates. Further, when the inelastic yarn is overlapped and underwrapped in the same direction, a knitted structure that is asymmetrical to the left and right may be formed, and the fabric may be bent. Furthermore, if the yarn swings more than 2 stitches, the fabric will be thicker due to the fact that the yarn will float and the fabric will become thicker, and the yarn that has floated from the fabric edge will come into contact with the outer garment and the fabric will tend to fray. Become.

  Moreover, it is possible to form a thin and fine mesh by disposing the elastic yarn in a half set and inserting it in opposite directions by swinging one needle. On the other hand, it is not preferable to place the elastic yarn in a full set because the fabric becomes thick. Further, if the elastic yarn is inserted in the same direction by swinging two or more needles, the texture of the fabric may be deteriorated. It is not preferable to knit the elastic yarn because the thickness of the fabric becomes extremely thick.

  Next, the present invention will be described in detail with reference to examples and comparative examples. However, the present invention is not limited to these examples, and all modifications may be made without departing from the spirit described above and below. It is included in the technical scope of the present invention. In the examples and comparative examples of the present invention, “part” means “part by mass”, and “%” means “% by mass”. Moreover, each performance evaluation was performed with the following method in the Example and comparative example of this invention.

<Fineness>
The fineness (dtex) was determined by preparing three 100m-long yarn casks, weighing each mass (g), obtaining an average value, and multiplying by 100.

<English count>
A spun yarn having a length of 109.728 m (1 lea) was taken using a skeiner, and its mass W (unit: g) was measured. The English count (Ne) was converted according to the following formula.
Ne = 453.6 / (7 × W)

<Thickness>
Measured according to JIS L 1018 1998 6.5.

<Density>
Measured according to JIS L 1018 (8).

<Elongation at break>
The tensile elongation was measured when a sample having a grip of 10 cm and a width of 5 cm was broken by the JIS L 1096 strip method, and the average value of n = 5 was taken as the breaking elongation.

<Break strength>
The measurement method was the same as the elongation at break, and the maximum stress at break was measured, and the average value of n = 5 was defined as the break strength.

<Stress at 20% elongation>
The tensile stress when a sample having a grip of 20 cm and a width of 5 cm was stretched to 20% elongation was measured by the JIS L 1096A method, and the average value of n = 5 was defined as the stress at 20% elongation.

<Elongation recovery rate>
It measured according to JISL1096A method. The tensile rate was 20 cm / min, the grip interval was 20 cm, the width was 5 cm, and 80% of the breaking elongation was constant elongation.

<Elongation rate at 200 gf load and 1500 gf load>
JIS L 1096 8.14 Elongation rate It measured by the A method, and calculated | required the elongation rate (%) at the time of 200 gf load and 1500 gf load. The average value of n = 3 was defined as the elongation rate.

<Elongation ratio of warp / longitude>
In the same manner as described above, after measuring the stretch rate in the warp and weft of the tape knitted fabric, the stretch rate in the warp direction was divided by the stretch rate in the weft direction. In Examples and Comparative Examples of the present invention, the ratio of warp / longitudinal elongation at 200 gf load and 1500 gf load was calculated.

<Air permeability>
Measurement was performed according to JIS L 1018 using a Frazier tester.

<Evaluation of curling properties>
As shown in FIG. 4, a fabric having a length of 15 cm × width of 2.5 cm is used, and the surface to be curled after being pulled in the vertical direction (note: one side in the case of the fabric of Comparative Example 1) is placed on one side 33 A mark 35 was placed at a location 10 cm from the top (FIG. 4 (A)). Thereafter, one end 33 was pressed, the place of the mark 35 was pinched with a finger, and the fabric was pulled so as to be doubled (that is, 20 cm) (FIG. 4B), and this was repeated three times. Thereafter, the width a in the horizontal direction while the fabric was curled (FIG. 4C) was measured, and the curling property (%) of the fabric was calculated by the following formula. A curling property of 30% or less was rated as “◯”, a curling property exceeding 30% and 50% or less as “Δ”, and a curling property exceeding 50% as “x”.
Curling property (%) = 100 × (2.5−a) /2.5

<Adhesion evaluation>
The skin adhering tape having a length of 50 to 75 cm was uniformly wound from the forearm to the upper arm with the upper and lower arm portions of 5 cm above and below the elbow so that the overlap between the tapes was 5 mm. After having the wearer carry out office work for 8 hours as it was, elbow fixation, followability, and stuffiness were each evaluated in three stages. 3 points for strong elbow support, 1 point for weak force, 3 points for good followability when moving the elbow (easy to move), 1 point for poor followability The thing was evaluated as 3 points, and the one that steamed strongly as 1 point. In addition, as a comprehensive evaluation, three evaluations are evaluated as 3 points, 3 points are 2 or less, 1 item is not evaluated as △, 1 point is evaluated as ×, and △ or more is passed. Judged.

<Friction of adhesion test>
About the skin sticking tape obtained in Examples 1-5 and Comparative Examples 1-5, the dripping property was evaluated by the following sticking test. A 30 cm long skin sticking tape was stuck along the arm with the elbow extended so that the elbow hit the middle of the tape. After that, he wore a long sleeve cutter shirt and walked at a speed of 3.6 km / h using the ALINCO electric walker 3800 AF3800 while swinging his elbow greatly in one hour. Check the state of both ends of the sticking part immediately after walking, ○ which is not peeled off at all, even slightly at one of the four corners of the tape (less than 5mm), as if the end was unraveled and fluffy What was visible was marked with Δ, and what was drowned 5 mm or more at one corner of the tape was marked with ×.

  Moreover, about the adhesive plaster sheet | seat obtained in Example 6 and Comparative Example 6, the tearability was evaluated by the following sticking test. The adhesive plaster sheet punched to 10 mm × 30 mm was pasted to wind around the second joint with the right index finger extended. Thereafter, Janken's goo-par was performed 100 times every hour and worn for 8 hours (goo-par was performed 100 × 9 times in total). Check the state of both ends of the sticking part after wearing, ○ that does not peel off at all, slightly curled even in one corner of the sheet (less than 2mm), as if the end was unraveled and fluffy What was visible was marked with Δ, and what was rolled over 2 mm even at one corner of the sheet was marked with ×.

Example 1
Semi-dull ester yarn (Toyobo Co., Ltd., Toyobo Polyester E84T36-72D) with a round cross section of 84 dtex / 36 filaments is arranged as a half set as front sheath yarns 1, 2, and 310 dtex as back sheath yarns 1, 2. Polyether-based polyurethane yarn (Toyobo Co., Ltd., ESPAR (registered trademark): clear type) is arranged in a half set, and a warp draft of polyurethane yarn using a 28 gauge Russell knitting machine (Karlmeier) Was made 1.6 times and organized into a power net organization under the following conditions. The mixing ratio of the polyester yarn and the polyurethane yarn was 84%: 16%.
Knitting condition Front length 1 10/12/21/23/21/12 Runner 106cm / R
Front length 2 23/21/12/10/12/21 Runner 106 cm / R
Back length 1 11/00/11/00/11/00 Runner 9cm / R
Back length 2 00/11/00/11/00/11 Runner 9 cm / R

  Next, the knitted fabric is subjected to continuous refining (60 ° C. to 95 ° C. × 60 seconds) —preliminary set (190 ° C. × 30 seconds) —dyeing (liquid flow dyeing 90 ° C. × 30 minutes) —finishing set (160 ° C. × 30 Second) to fabricate a tape knitted fabric.

  Subsequently, as shown in FIG. 3, an adhesive layer was previously formed by applying an acrylic adhesive to the release paper and drying it. The pressure-sensitive adhesive layer and the needle loop surface of the tape knitted fabric are bonded together, and the pressure-sensitive adhesive layer is transferred to the surface of the tape knitted fabric. Tape.

  The obtained tape knitted fabric and skin adhesive tape were measured and evaluated by the methods described above. The results are shown in Table 1.

Example 2
Semi-dull ester yarn (Toyobo Co., Ltd., Toyobo Polyester E100T72-I7B) with a round cross section of 100 dtex / 72 filaments is arranged as a half set as front sheath yarns 1 and 2, and 470 dtex as back sheath yarns 1 and 2. Polyether-based polyurethane yarn (Toyobo Co., Ltd., ESPAR (registered trademark): clear type) is arranged in a half set, and a warp draft of polyurethane yarn using a 28 gauge Russell knitting machine (Karlmeier) Was made 1.6 times and organized into a power net organization under the following conditions. The mixing ratio of the polyester yarn and the polyurethane yarn was 83%: 17%.
Knitting condition Front length 1 10/12/21/23/21/12 Runner 115cm / R
Front height 2 23/21/12/10/12/21 Runner 115 cm / R
Back length 1 11/00/11/00/11/00 Runner 8cm / R
Back length 2 00/11/00/11/00/11 Runner 8 cm / R

  Next, each processing was performed in the same manner as in Example 1 to produce a tape knitted fabric. Subsequently, using the obtained tape knitted fabric, a skin adhesive tape having a width of 25 mm was produced in the same manner as in Example 1. The obtained tape knitted fabric and skin adhesive tape were measured and evaluated in the same manner as in Example 1. The results are shown in Table 1.

Example 3
A semi-dial nylon yarn (N44T10-282, manufactured by Toyobo Co., Ltd.) with a round cross section of 44 dtex / 10 filament is arranged in a half set as the front cage yarns 1, 2, and a poly of 155 dtex is used as the back sheath yarns 1, 2. Ether polyurethane yarn (Toyobo Co., Ltd., ESPAR (registered trademark): clear type) is placed in half set, and a warp draft of polyurethane yarn is 1 using a 28 gauge Russell knitting machine (Karl Meyer). The power net organization was organized under the following conditions. The mixture ratio of nylon yarn and polyurethane yarn was 78%: 22%.
Knitting condition Front length 1 10/12/21/23/21/12 Runner 95cm / R
Front length 2 23/21/12/10/12/21 Runner 95cm / R
Back length 1 11/00/11/00/11/00 Runner 11cm / R
Back length 2 00/11/00/11/00/11 Runner 11 cm / R

  Next, each processing was performed in the same manner as in Example 1 to produce a tape knitted fabric. Subsequently, using the obtained tape knitted fabric, a skin adhesive tape having a width of 25 mm was produced in the same manner as in Example 1. The obtained tape knitted fabric and skin adhesive tape were measured and evaluated in the same manner as in Example 1. The results are shown in Table 1.

Example 4
A semi-dial nylon yarn (78T24-282, manufactured by Toyobo Co., Ltd.) with a round cross section of 78 dtex / 24 filaments is arranged in a half set as the front cage yarns 1 and 2, and 310 dtex poly is used as the back sheath yarns 1 and 2. Ether polyurethane yarn (Toyobo Co., Ltd., ESPAR (registered trademark): clear type) is placed in half set, and a warp draft of polyurethane yarn is 1 using a 28 gauge Russell knitting machine (Karl Meyer). The power net organization was organized under the following conditions. The mixing ratio of nylon yarn and polyurethane yarn was 82%: 18%.
Knitting condition Front length 1 10/12/21/23/21/12 Runner 106cm / R
Front length 2 23/21/12/10/12/21 Runner 106 cm / R
Back length 1 11/00/11/00/11/00 Runner 8cm / R
Back length 2 00/11/00/11/00/11 Runner 8 cm / R

  Next, each processing was performed in the same manner as in Example 1 to produce a tape knitted fabric. Subsequently, using the obtained tape knitted fabric, a skin adhesive tape having a width of 25 mm was produced in the same manner as in Example 1. The obtained tape knitted fabric and skin adhesive tape were measured and evaluated in the same manner as in Example 1. The results are shown in Table 1.

Example 5
Bright nylon yarn (33T24-882, manufactured by Toyobo Co., Ltd.) with a round cross section of 33 dtex / 24 filament is arranged as a half set as front sheath yarns 1 and 2, and 78 dtex polyether is used as back sheath yarns 1 and 2. -Type polyurethane yarn (Toyobo Co., Ltd., ESPAR (registered trademark): clear type) is placed in a half set, and the warp draft of polyurethane yarn is doubled using a 28 gauge Russell knitting machine (Karlmeier) And organized into a power net organization under the following conditions. The mixture ratio of nylon yarn and polyurethane yarn was 74%: 26%.
Knitting condition Front length 1 10/12/21/23/21/12 Runner 79cm / R
Front length 2 23/21/12/10/12/21 Runner 79 cm / R
Back length 1 11/00/11/00/11/00 Runner 11cm / R
Back length 2 00/11/00/11/00/11 Runner 11 cm / R

  Next, each processing was performed in the same manner as in Example 1 to produce a tape knitted fabric. Subsequently, using the obtained tape knitted fabric, a skin adhesive tape having a width of 25 mm was produced in the same manner as in Example 1. The obtained tape knitted fabric and skin adhesive tape were measured and evaluated in the same manner as in Example 1. The results are shown in Table 1.

Example 6
Using the tape knitted fabric obtained in Example 1, the pressure-sensitive adhesive layer was transferred and adhered in the same manner as in Example 1, and then punched into a sheet shape of warp 10 mm × weft 30 mm to obtain a plaster sheet. Obtained. About the obtained sheet | seat for adhesive bandages, it measured and evaluated by the said method. The results are shown in Table 3.

Comparative Example 1
As the warp, we used a cotton core spun yarn of English style No. 16 single yarn with 78 dtex polyether-based polyurethane yarn (Toyobo Co., Ltd., ESPAR (registered trademark): clear type) in the core. Using a cotton ring spun yarn of No. 14 single yarn, weaving was performed with a single thread through the air jet loom (manufactured by Toyota Industries Corporation).

  Next, continuous hair roasting-desizing / scouring / bleaching was carried out by a conventional method, and finally, the dough for tape was prepared by drying and setting at 130 ° C. in combination with wrinkle spreading and property adjustment with a pin tenter. Subsequently, a 25 mm-wide skin sticking tape was prepared in the same manner as in Example 1 (however, the transfer surface of the pressure-sensitive adhesive layer was an arbitrary surface of the tape fabric). The tape dough and the skin adhesive tape obtained were measured and evaluated in the same manner as in Example 1. The results are shown in Table 2.

Comparative Example 2
As the ground yarn, a 84 dtex / 36 filament round cross-sectional semi-ester ester yarn (manufactured by Teijin Ltd., 84T36-FO210W) and 33 dtex polyether-based polyurethane yarn (Toyobo Co., Ltd., ESPAR (registered trademark): T71 type) are used. , 34 "-28G single knitting machine (manufactured by Fukuhara Seiki Co., Ltd.), knitting yarn length of 270 mm / 100 well, and plating conditions of 2.8 times draft, knitted into a bare tentacle structure. Polyester yarn and polyurethane yarn The mixing ratio was 88%: 12%.

  Next, the dough is continuously refined (60 ° C. to 95 ° C. × 60 seconds) —preliminary set (190 ° C. × 40 seconds) —dyeing (liquid flow dyeing 90 ° C. × 30 minutes) —finishing set (160 ° C. × 40 seconds) ) To produce a tape dough. Subsequently, a skin adhesive tape having a width of 25 mm was prepared in the same manner as in Example 1 (however, the transfer surface of the pressure-sensitive adhesive layer was the loop back surface of the tape fabric). The tape dough and the skin adhesive tape obtained were measured and evaluated in the same manner as in Example 1. The results are shown in Table 2.

Comparative Example 3
A full set of 56 dtex / 17 filament round cross-section semi-dal nylon yarn (56T17-282, manufactured by Toyobo Co., Ltd.) is used as the front sheath yarn, and 44 dtex polyether polyurethane yarn (Toyo Corporation) is used as the back sheath yarn. (Espa (registered trademark): clear type) made by Spinning Co., Ltd.) was placed in a full set, and using a 28 gauge tricot knitting machine (made by KARL MAYER), the warp draft of polyurethane yarn was doubled. A half-way 2-way tricot was knitted. The mixing ratio of nylon yarn and polyurethane yarn was 84%: 16%.
Knitting condition Front Osamu 10/23 Runner-165cm / R
Back length 12/10 Runner 85cm / R

  Next, the dough is continuously refined (60 ° C. to 95 ° C. × 60 seconds) —preliminary set (190 ° C. × 40 seconds) —dyeing (liquid flow dyeing 90 ° C. × 30 minutes) —finishing set (160 ° C. × 40 seconds) ) To produce a tape dough. Subsequently, in the same manner as in Example 1 (however, the transfer surface of the pressure-sensitive adhesive layer was a sinker loop surface of the tape dough), a 25 mm wide tape for skin application was produced. The tape dough and the skin adhesive tape obtained were measured and evaluated in the same manner as in Example 1. The results are shown in Table 2.

Comparative Example 4
Bright nylon yarn (33T24-882, manufactured by Toyobo Co., Ltd.) with a round cross section of 33 dtex / 24 filament is arranged as a full set as the front sheath yarn, and 44 dtex polyether-based polyurethane yarn (Toyobo) as the back sheath yarn ESPA (registered trademark): clear type) in a full set, using a 40 gauge tricot knitting machine (made by KARL MAYER), double the warp draft of polyurethane yarn, and A two-way tricot of tissue was organized. The mixture ratio of nylon yarn and polyurethane yarn was 68%: 32%.
Knitting condition Front Osamu 10/12 Runner-88cm / R
Back length 12/10 Runner 65cm / R

  Next, the dough is continuously refined (60 ° C. to 95 ° C. × 60 seconds) —preliminary set (190 ° C. × 40 seconds) —dyeing (liquid flow dyeing 90 ° C. × 30 minutes) —finishing set (160 ° C. × 40 seconds) ) To produce a tape dough. Subsequently, in the same manner as in Example 1 (however, the transfer surface of the pressure-sensitive adhesive layer was a sinker loop surface of the tape dough), a 25 mm wide tape for skin application was produced. The tape dough and the skin adhesive tape obtained were measured and evaluated in the same manner as in Example 1. The results are shown in Table 2.

Comparative Example 5
Semi-dester ester yarn (110T96-72D, manufactured by Toyobo Co., Ltd.) with a round cross section of 125 dtex / 144 filaments is arranged as a half set as front cage yarns 1 and 2, and 470 dtex poly as back cage yarns 1 and 2 Ether polyurethane yarn (Toyobo Co., Ltd., ESPAR (registered trademark): clear type) is placed in half set, and a warp draft of polyurethane yarn is 1 using a 28 gauge Russell knitting machine (Karl Meyer). The power net organization was organized under the following conditions. The mixing ratio of the polyester yarn and the polyurethane yarn was 83%: 17%.
Knitting condition Front length 1 10/12/21/23/21/12 Runner 130cm / R
Front length 2 23/21/12/10/12/21 Runner 130cm / R
Back length 1 11/00/11/00/11/00 Runner 9cm / R
Back length 2 00/11/00/11/00/11 Runner 9 cm / R

  Next, each processing was performed in the same manner as in Example 1 to prepare a tape dough. Subsequently, a 25 mm-wide skin sticking tape was produced in the same manner as in Example 1. The tape dough and the skin adhesive tape obtained were measured and evaluated in the same manner as in Example 1. The results are shown in Table 2.

Comparative Example 6
Using the tape dough obtained in Comparative Example 5, the pressure-sensitive adhesive layer was transferred and adhered in the same manner as in Comparative Example 5, and then punched into a sheet shape measuring 10 mm × 30 mm in length to obtain an adhesive bandage sheet. It was. About the obtained sheet | seat for adhesive bandages, it measured and evaluated by the said method. The results are shown in Table 3.

  The tape knitted fabrics obtained in Examples 1 to 4 were warp knitted fabrics knitted into a power net structure with inelastic yarns and elastic yarns, and had a thickness of 0.3 to 0.6 mm. . These knitted fabrics had high elongation at break, breaking strength and stress at 20% elongation, and were excellent in elongation recovery rate and air permeability. Moreover, these knitted fabrics are difficult to curl. The tape knitted fabric obtained in Example 5 had a higher course density than Examples 1 to 4 and the fineness of the inelastic yarn and the elastic yarn used was low, so that the breaking strength and the stress at 20% elongation were high. Although it was low, the elongation at break and recovery from elongation were good, curling was difficult, and the air permeability was also excellent. These knitted fabrics had appropriate elongation ratios and warp / weft elongation ratios at 200 gf load and 1500 gf load, respectively.

  Moreover, the skin sticking tapes of Examples 1 to 5 and the adhesive plaster sheet of Example 6 using the tape knitted fabric had good fixability and did not get steamed. In addition, these skin adhesive tapes or adhesive bandage sheets stretch well in the warp direction, so they have good followability when the joint is bent and stretched. On the other hand, it has an appropriate kickback property, and since the pressure-sensitive adhesive layer is laminated on the needle loop surface of the tape knitted fabric, no peeling was observed over the sticking test time.

On the other hand, since the tape fabric obtained in Comparative Example 1 is a woven fabric, the elongation at break is 100% in the warp direction, 22% in the weft direction, and the recovery rate of elongation is as low as 67% in the weft direction. / Cm ² · s and very inferior. The fabric had stretchability in the weft direction, but almost no stretchability in the warp direction.

Since the tape fabric obtained in Comparative Example 2 was a circular knitted fabric, the elongation at break was good, but the breaking strength was 140 N in the warp direction and 75 N in the weft direction, and the stress in the weft direction at 20% elongation was 0.8 N. Thus, the elongation recovery rate was as low as 78% and 70%, respectively, and the air permeability was very inferior at 50 cc / cm ² · s. Further, the knitted fabric had an elongation rate in the weft direction that was too high at 200 gf load and 1500 gf load, and was easy to curl.

  Since the tape dough obtained in Comparative Examples 3 and 4 had a half structure and a Denby structure, respectively, the breaking strength and the stress at 20% elongation were low, and the air permeability was poor. In addition, these fabrics had an excessively high elongation rate in the weft direction at 200 gf load or 1500 gf load.

  The tape fabric obtained in Comparative Example 5 was thick using inelastic yarn with high fineness, so the breaking elongation in the weft direction was as low as 130%, and the curling property was slightly lowered. It was.

  Moreover, the skin sticking tapes of Comparative Examples 1 to 4 and the adhesive plaster sheet of Comparative Example 6 using the tape fabric had poor overall evaluation results. In addition, although the peeling tape was not seen over the sticking test time for the skin sticking tape of Comparative Example 1, the skin sticking tape of Comparative Examples 2 to 4 was a part that greatly stretched and / or a part that stretched slightly. In contrast, the kickback property was not properly balanced, and at least one of the four corners was rolled over 5 mm during the sticking test. Further, the adhesive plaster sheet of Comparative Example 6 had poor followability when the joint was bent and stretched, and was rolled over 2 mm at least in one of the four corners during the adhesion test.

  The tape knitted fabric of the present invention has appropriate fixing performance and stretchability, and is excellent in air permeability. Therefore, the skin adhering tape of the present invention using this tape knitted fabric is used in sports, body shaping, orthopedic areas such as body reinforcement or correction in rehabilitation, or adhesive bandages, poultices, plasters, packs, patches, etc. It is used suitably for each department skin external member.

  1: skin adhesive tape, 3: base material, 5: adhesive layer, 7: release paper, 11: skin adhesive tape, 13: base material, 15: adhesive, 17: release paper, 20: jumbo winding, 33: One end of the fabric, 35: Mark, a: Width in the horizontal direction while curled

Claims (10)

A warp knitted fabric knitted into a power net structure with inelastic yarns and elastic yarns,
The thickness is 0.3 to 0.6 mm, the fineness of the inelastic yarn is 33 to 100 dtex, the fineness of the elastic yarn is 155 to 470 dtex, the course density is 140 to 210 yarns / inch, and the well density is 25 to 50. A knitted fabric for skin affixing tape, which is a book / inch. Mixing ratio of the non-elastic yarn and the elastic yarn constituting the knitted fabric, a non-elastic yarn: 55 wt% of an elastic yarn: 45 wt% to 93 wt%: 7 wt% a skin sticking tape according to claim 1, Knitted fabric. The elongation at break is 140% or more for both warp and weft, the break strength is 150N or more for both warp and weft, and the stress at 20% elongation is 1 to 10N for both warp and weft. Knitted fabric for skin adhesive tape. The knitted fabric for skin affixing tape according to any one of claims 1 to 3, wherein an elongation recovery rate after 80% elongation at break is 80% or more. The warp / weft elongation ratio is 1.0 to 10, wherein the knitted fabric for skin adhesive tape according to any one of claims 1 to 4. Air permeability is 250-500 cc / cm < ² > s, The knitted fabric for skin sticking tapes in any one of Claims 1-5. A skin adhesive tape comprising the knitted fabric for skin adhesive tape according to any one of claims 1 to 6. The skin adhesive tape according to claim 7, wherein the adhesive layer is laminated on the needle loop surface of the knitted fabric for skin adhesive tape.   It is a sheet for adhesive bandages, The skin sticking tape according to claim 7 or 8. It is a method of manufacturing the knitted fabric for skin sticking tapes in any one of Claims 1-6, Comprising : An inelastic thread | yarn is arrange | positioned by a half set with two guide bars, respectively, and 0-1 needle swing mutually The elastic yarns are arranged in half sets with two guide bars while being overlapped and underlapped in opposite directions, and knitted into a power net structure by inserting them in opposite directions with a single swing. The manufacturing method of the knitted fabric for skin sticking tapes.

Images