CN113913998A

CN113913998A - Elastic ribbon preparation method

Info

Publication number: CN113913998A
Application number: CN202111151907.4A
Authority: CN
Inventors: 张坚; 盛崤敏; 曾勇琪
Original assignee: Guangdong Esquel Textiles Co Ltd
Current assignee: Guangdong Kangpai Huanchuang Technology Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-01-11
Anticipated expiration: 2041-09-29
Also published as: CN113913998B

Abstract

The invention relates to a preparation method of an elastic woven belt. In the preparation method of the elastic woven belt, the veil and the core yarn are woven into the prefabricated core-spun yarn, wherein the elasticity of the core yarn is larger than that of the veil. And then, carrying out tension enhancement treatment on the prefabricated core-spun yarn, and tensioning the prefabricated core-spun yarn to obtain the tensioned core-spun yarn. And weaving by using the core-spun yarn. In the preparation method of the elastic woven belt, the core yarns with different elasticity and the surface yarns are matched with each other to obtain the prefabricated core-spun yarns with certain elasticity difference on the core and the surface, then the prefabricated core-spun yarns are subjected to tension enhancement treatment, and the prefabricated core-spun yarns are tensioned, so that the elasticity of the core yarns and the elasticity of the surface yarns can be well balanced, and the flatness of the woven belt is effectively improved on the basis of keeping the woven belt to have good elasticity.

Description

Elastic ribbon preparation method

Technical Field

The invention relates to the technical field of spinning, in particular to a preparation method of an elastic woven belt.

Background

In the weaving process, the braid is a product which is used more frequently. The ready-made clothes can show richer appearance by splicing the woven belts and the ready-made clothes main body. The webbing and the garment may be made of different materials, and in order to make the webbing fit well to the garment, it is often necessary to make the webbing elastic. However, in the conventional method for preparing the woven tape, the woven tape can have certain elasticity by selecting materials, but the woven tape obtained by the conventional method is often poor in flatness, and the subsequent ironing processing is difficult to perform.

Disclosure of Invention

In view of the above, there is a need for a method of making an elastic webbing that is effective in both elasticity and flatness.

An elastic ribbon preparation method capable of effectively improving the flatness of the ribbon.

In order to solve the technical problems, the technical scheme of the invention is as follows:

a preparation method of an elastic woven belt comprises the following steps:

weaving a face yarn and a core yarn into a prefabricated core-spun yarn, the elasticity of the core yarn being greater than that of the face yarn;

performing tension enhancement treatment on the prefabricated core-spun yarn to obtain a tensioned core-spun yarn;

and weaving the woven belt by adopting the tensioned covering yarn.

In one embodiment, the preformed core yarn is subjected to a tension enhancement treatment such that the withdrawal rate of the tensioned core yarn is less than or equal to 1%.

In one embodiment, the face yarn is at least one of a polyester yarn and a nylon yarn, and the core yarn is at least one of a spandex yarn and a latex yarn.

In one embodiment, the method further comprises the following steps after the woven ribbon is woven by the tensioned core-spun yarn:

and dyeing the woven braid to obtain the dyed braid.

In one embodiment, the dyeing process comprises the steps of:

dyeing the woven mesh belt by adopting a cationic dye solution, raising the temperature of the cationic dye solution to 60-70 ℃ at a temperature rise speed of 3-5 ℃/min, then raising the temperature of the cationic dye solution to 115-125 ℃ at a temperature rise speed of 0.8-1 ℃/min, and preserving the heat for 60-90 min.

In one embodiment, the dyeing process for the woven fabric tape further comprises the following steps:

carrying out reduction cleaning treatment on the dyed mesh belt to obtain a reduction cleaning mesh belt, wherein the reduction cleaning solution used in the reduction cleaning treatment comprises the following components in parts by weight:

150 to 250 portions of caustic soda,

400 to 600 parts of sodium hydrosulfite and

99000 to 100000 portions of water.

In one embodiment, the method further comprises the following steps after the dyeing braid is subjected to reduction cleaning treatment:

neutralizing the reduction woven tape to obtain a neutralized woven tape, wherein a neutralizing solution used in the neutralization treatment comprises the following components in parts by mass:

100 to 200 portions of acetic acid and 99000 to 100000 portions of water.

In one embodiment, after the neutralization treatment, the method further comprises the following steps:

and (3) carrying out active dye liquor dyeing treatment on the neutralized woven tape, raising the temperature of the active dye liquor to 60-70 ℃ at a temperature rise speed of 3-5 ℃/min, then raising the temperature of the active dye liquor to 98-105 ℃ at a temperature rise speed of 0.8-1 ℃/min, and keeping the temperature for 45-60 min.

In one embodiment, the active dye solution comprises the following components in parts by weight:

200 to 300 portions of reactive dye,

50 to 100 portions of penetration enhancer,

200 to 220 portions of sodium acetate,

Acetic acid 200 to 300 parts, and

98000 to 100000 parts of water.

In one embodiment, the dyeing process for the woven fabric tape further comprises the following steps: carrying out color fixing treatment on the dyed woven tape,

the color fixing solution for color fixing treatment comprises the following components in parts by weight:

200 to 400 portions of compound color fixing agent and 99000 to 100000 portions of water,

the compound color fixing agent comprises an N- (2-aminoethyl) -1, 2-diethylamine polymer, a polyurethane compound and a hydroxyl polymer, wherein the mass ratio of the N- (2-aminoethyl) -1, 2-diethylamine polymer to the polyurethane compound to the hydroxyl polymer is 3: 2: 2.

in one embodiment, the method for preparing the elastic webbing further comprises the following steps:

and performing softening oil treatment on the dyed mesh belt after the color fixing treatment, wherein the concentration of the softening oil used in the softening oil treatment is 10-20 g/L, and the temperature of the softening oil is 40-85 ℃.

shaping the dyed woven belt after the treatment of the softening oil, wherein the shaping temperature is 100-170 ℃, and the shaping pressure is 0.5kg/cm²～3.5kg/cm²The setting time is 15 s-35 s.

In the preparation method of the elastic woven belt, the veil and the core yarn are woven into the prefabricated core-spun yarn, wherein the elasticity of the core yarn is larger than that of the veil. And then, carrying out tension enhancement treatment on the prefabricated core-spun yarn, and tensioning the prefabricated core-spun yarn to obtain the tensioned core-spun yarn. And weaving by using the core-spun yarn. In the preparation method of the elastic woven belt, the core yarns with different elasticity and the surface yarns are matched with each other to obtain the prefabricated core-spun yarns with certain elasticity difference on the core and the surface, then the prefabricated core-spun yarns are subjected to tension enhancement treatment, and the prefabricated core-spun yarns are tensioned, so that the elasticity of the core yarns and the elasticity of the surface yarns can be well balanced, and the flatness of the woven belt is effectively improved on the basis of keeping the woven belt to have good elasticity.

Detailed Description

The present invention will be described in detail with reference to the following embodiments in order to make the aforementioned objects, features and advantages of the invention more comprehensible. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

An embodiment of the invention provides a method for preparing an elastic woven belt. The preparation method of the elastic woven belt comprises the following steps:

s101: the face yarn and the core yarn are woven into the prefabricated core-spun yarn, and the elasticity of the core yarn is larger than that of the face yarn.

S102: and carrying out tension enhancement treatment on the prefabricated core-spun yarn to obtain the tensioned core-spun yarn.

S103: and weaving the woven belt by adopting the tensioned covering yarns.

In the method of making the elastic webbing of this embodiment, the face yarn and the core yarn are woven into a preformed core yarn, wherein the elasticity of the core yarn is greater than the elasticity of the face yarn. And then, carrying out tension enhancement treatment on the prefabricated core-spun yarn, and tensioning the prefabricated core-spun yarn to obtain the tensioned core-spun yarn. And weaving by using the core-spun yarn. In the preparation method of the elastic woven belt, the core yarns with different elasticity and the surface yarns are matched with each other to obtain the prefabricated core-spun yarns with certain elasticity difference on the core and the surface, then the prefabricated core-spun yarns are subjected to tension enhancement treatment, and the prefabricated core-spun yarns are tensioned, so that the elasticity of the core yarns and the elasticity of the surface yarns can be well balanced, and the flatness of the woven belt is effectively improved on the basis of keeping the woven belt to have good elasticity.

Further, with the diversified demand of consumers, the requirement auxiliary material differentiation, the auxiliary material volume is generally less and the design is many, takes the long car dyeing mode in batches of tradition once, is difficult to satisfy the demand of auxiliary material differentiation. And the irregular tension of intermittent type formula dyeing machine in the process of dyeing, dehydration, stoving and package easily leads to the elastic band face to appear crooked and corrugate, and these are not enough to be difficult to through traditional whole boiling hot mode ironing press, lead to the meshbelt roughness relatively poor. By adopting the preparation method in the embodiment, the elasticity of the core yarn and the surface yarn can be well balanced, and the flatness of the woven belt is effectively improved on the basis of keeping the good elasticity of the woven belt.

Further, when the width of the woven belt is larger than or equal to 15mm, the traditional method is more prone to have the problem of unevenness, and the preparation method in the embodiment can effectively improve the flatness of the woven belt at the moment.

It will be appreciated that weaving the face and core yarns into a braid yarn comprises the steps of: covering the surface yarn and the core yarn and twisting.

Preferably, the preformed core yarn is subjected to a tension enhancing treatment such that the shrinkage of the tensioned core yarn is less than or equal to 1%. For example, the preformed core yarn is subjected to a tension-enhancing treatment such that the drawn core yarn has a shrinkage of 1% or less, 0.9% or less, 0.8% or less, 0.7% or less, 0.6% or less, 0.5% or less, 0.4% or less, 0.3% or less, 0.2% or less, 0.1% or less, and the like. Further preferably, the preformed core yarn is subjected to a tension-enhancing treatment such that the shrinkage of the tensioned core yarn is less than or equal to 0.2%. Through the tension enhancement treatment, the retraction rate of the tensioned covering yarn is controlled in a smaller range, and the flatness of the mesh belt is further improved. The shrinkage rate represents the rate of difference in length of the tensioned core yarn as the tensioned core yarn naturally retracts after stretching.

In one particular example, the tension-enhancing treatment of the preformed core yarn includes the steps of: the prefabricated core-spun yarn is warped and tensioned by a tension adjusting device. When carrying out tension reinforcing to prefabricated covering yarn and handling, can handle prefabricated covering yarn warping on the warper, at the warping in-process, carry out tension reinforcing to prefabricated covering yarn through installing tension adjusting device on the warper and handle. Specifically, the preformed core-spun yarn is in a taut state during warping by a tension adjusting device. Further, when the warping, divide prefabricated covering yarn 2 ~ 3 layers and carry out the warping, enlarge the distance between the prefabricated covering yarn, reduce the interference between the prefabricated covering yarn. Further, the weight of the drop wire is increased during warping to prevent the preformed core yarn from being wound on the similar yarn in a rebounding manner after the preformed core yarn is broken.

Optionally, the tightness of the woven tape is controlled to be 7.0-9.5 when the weaving is carried out by adopting the tensioned covering yarns. Optionally, the tightness of the webbing is controlled to be 7.0, 7.2, 7.5, 7.8, 8.0, 8.2, 8.5, 8.8, 9.0, 9.2, 9.5, etc.

The tightness of the woven tape includes warp tightness and weft tightness, wherein the warp tightness is (weft tightness x number of weft yarns D)/1000 in terms of numerical value. In terms of value, the weft tightness is (warp density × number of warps D)/1000.

In a specific example, the face yarn is at least one of a polyester yarn and a nylon yarn, and the core yarn is at least one of a spandex yarn and a latex yarn.

Furthermore, the density of the polyester yarn is 50D-400D, the density of the nylon yarn is 50D-400D, the density of the spandex yarn is 20D-150D, and the type of the latex yarn is 28#, 32#, 37#, 42#, 52#, 55#, 63#, 75#, 80#, 90# or 100 #. Optionally, the D number of the polyester yarn is 50D, 60D, 70D, 80D, 90D, 100D, 120D, 150D, 180D, 200D, 250D, 300D, 350D, or 400D. Optionally, the nylon yarn has a density of 50D, 60D, 70D, 80D, 90D, 100D, 120D, 150D, 180D, 200D, 250D, 300D, 350D, or 400D. Optionally, the spandex yarn has a D-number of 20D, 30D, 40D, 50D, 60D, 70D, 80D, 90D, 100D, 110D, 120D, 130D, 140D, or 150D.

Further, the polyester yarn is a low-elasticity polyester yarn or a cationic dyeable polyester yarn. Specifically, the polyester yarn is low-elasticity polyester white yarn or cationic dyeable polyester white yarn.

As a specific example of the weaving of the tensioned covering yarn, a hybrid weaving of the tensioned covering yarn and the base yarn is employed.

When the drawn core yarn and the base yarn are mixed and woven, the base yarn is at least one of polyester yarn and nylon yarn. Optionally, the base yarn is at least one of a dope dyed polyester yarn, a white polyester yarn, a cationic dyeable polyester yarn, and a nylon yarn. Specifically, the dope dyed polyester yarn is an inorganic salt dope dyed polyester yarn.

In the preparation process of elasticity meshbelt, through the selection to veil, core yarn and basic yarn, can make the elasticity meshbelt show abundanter various color, satisfy the diversified demand of consumer to the color.

In one specific example, the weaving of the braid with the tensioned core-spun yarn further comprises the following steps: and dyeing the woven tape to obtain the dyed woven tape. The appearance of the webbing is further enriched by the dyeing process.

Preferably, the shrinkage of the woven tape is controlled to be less than or equal to 1% at the time of dyeing treatment. Alternatively, the shrinkage of the woven tape is controlled to be less than or equal to 1%, less than or equal to 0.9%, less than or equal to 0.8%, less than or equal to 0.7%, less than or equal to 0.6%, less than or equal to 0.5%, less than or equal to 0.4%, less than or equal to 0.3%, less than or equal to 0.2%, less than or equal to 0.1%, etc. during the dyeing treatment.

Further, the dyeing process comprises the following steps: dyeing the woven belt by adopting a cationic dye solution, raising the temperature of the cationic dye solution to 60-70 ℃ at the temperature rise speed of 3-5 ℃/min, then raising the temperature of the cationic dye solution to 115-125 ℃ at the temperature rise speed of 0.8-1 ℃/min, and preserving the heat for 60-90 min.

It is understood that cationic dye liquors mean dye liquors which comprise cationic dyes. Preferably, the cationic dye liquor comprises the following components in parts by weight: 50 to 200 portions of cationic dye, 200 to 300 portions of acetic acid, 200 to 220 portions of sodium acetate and 90000 to 120000 portions of water.

It will also be appreciated that the water is typically metered volumetrically during the production process. For convenience of explanation, for the metering of water, a weight of 1kg of water having a volume of 1L is generally used.

Alternatively, the cationic dyes include Astrazon Yellow GL-E200%, Astrazon Red FBL 200%, and Astrazon Blue FGRL 200%. Optionally, the weight ratio of Astrazon Yellow GL-E200%, Astrazon Red FBL 200% and Astrazon Blue FGRL 200% is 1 (0.8-1.5): 20-30. Further preferably, the weight ratio of Astrazon Yellow GL-E200%, Astrazon Red FBL 200% and Astrazon Blue FGRL 200% is 1:1: 24.

In a specific example, the dyeing process for the woven fabric tape further comprises the following steps: and (4) preprocessing the woven tape.

The pretreatment comprises the following steps: the woven belt is pretreated by adopting pretreatment liquid, wherein the pretreatment liquid comprises the following components in parts by mass: 100 to 150 parts of degreasing agent, 200 to 300 parts of sodium carbonate and 90000 to 120000 parts of water. The temperature of the pretreatment liquid is controlled to be 70-75 ℃. The pretreatment time is 20 min-40 min. 90000-120000 parts of water and 100-150 parts of acetic acid are added for treatment for 5-10 min after pretreatment. Then, dyeing treatment is carried out. Optionally, the oil removing agent is JInterge LCF-185.

In a specific example, the dyeing process for the woven tape further comprises the following steps: carrying out reduction cleaning treatment on the dyed woven belt to obtain a reduction cleaning woven belt, wherein the reduction cleaning solution used in the reduction cleaning treatment comprises the following components in parts by weight: 150 to 250 portions of caustic soda, 400 to 600 portions of sodium hydrosulfite and 99000 to 100000 portions of water. Optionally, the sodium hydrosulfite is sodium hydrosulfite. Preferably, the reduction washing treatment is performed twice in succession. The caustic soda is flake caustic soda.

Further, the temperature of the reduction cleaning treatment is 65-85 ℃, and the time of the reduction cleaning treatment is 20-30 min.

In a specific example, the method further comprises the following steps after the dyed fabric belt is subjected to the reduction cleaning treatment: neutralizing the reduction cleaning woven tape to obtain a neutralized woven tape, wherein a neutralizing solution used in the neutralization treatment comprises the following components in parts by mass: 100 to 200 portions of acetic acid and 99000 to 100000 portions of water. The time of the neutralization treatment is 8 min-15 min.

Optionally, the method further comprises the following steps after the neutralization treatment of the reduction cleaning woven belt: and (3) carrying out active dye liquor dyeing treatment on the neutralized woven tape, raising the temperature of the active dye liquor to 60-70 ℃ at a temperature rise speed of 3-5 ℃/min, then raising the temperature of the active dye liquor to 98-105 ℃ at a temperature rise speed of 0.8-1 ℃/min, and keeping the temperature for 45-60 min.

Further, the active dye solution comprises the following components in parts by weight: 200 to 300 portions of reactive dye, 50 to 100 portions of penetration enhancer, 200 to 220 portions of sodium acetate, 200 to 300 portions of acetic acid and 98000 to 100000 portions of water. The reactive dyes comprise Eriofast Yellow5G, Eriofast Br.Red 3G and Eriofast Blue 3R, wherein the weight ratio of the Eriofast Yellow5G, Eriofast Br.Red 3G to the Eriofast Blue 3R is 20:1: 1. Optionally, the penetration enhancer is a JET penetration enhancer.

Furthermore, after dyeing by using the reactive dye liquor, carrying out color fixing treatment, wherein the color fixing liquor comprises the following components in parts by weight: 150 to 250 portions of caustic soda, 50 to 150 portions of ERIOFAST FIX (from Henshimei) as a cross-linking agent, and 99000 to 100000 portions of water, and the operation is carried out for 20 to 30min at the temperature of between 55 and 65 ℃.

It will be appreciated that the method of making the elastic webbing further comprises the steps of: carrying out color fixing treatment on the dyed mesh belt, wherein the color fixing solution for the color fixing treatment comprises the following components in parts by weight: 200-400 parts of a compound color fixing agent and 99000-100000 parts of water, wherein the compound color fixing agent comprises N- (2-aminoethyl) -1, 2-diethylamine polymer, a polyurethane compound and a hydroxyl polymer, and the mass ratio of the N- (2-aminoethyl) -1, 2-diethylamine polymer to the polyurethane compound to the hydroxyl polymer is 3: 2: 2. further, the temperature of the color fixing treatment is 50-55 ℃, and the time of the color fixing treatment is 30-35 min.

It will be appreciated that the fixing treatment may be after the dyeing treatment, or may be after the reduction washing treatment. In particular, the fixing treatment may be after the cationic dyeing treatment, but also after the dyeing with the reactive dye liquor.

Further, the preparation method of the elastic woven belt also comprises the following steps: and (3) performing softening oil treatment on the dyed mesh belt after the color fixing treatment, wherein the concentration of the softening oil used in the softening oil treatment is 10-20 g/L, and the temperature of the softening oil is 40-85 ℃. Optionally, the soft oil is

T535 silicone oil.

Further, the preparation method of the elastic woven belt further comprises the following steps: shaping the dyed woven belt after the treatment of the softening oil, wherein the shaping temperature is 100-170 ℃, and the shaping pressure is 0.5kg/cm²～3.5kg/cm²The setting time is 15 s-35 s. Preferably, the webbing is controlled to be in a taut state during the setting process. The taut state causes a retraction rate of the webbing to be less than or equal to 1%, alternatively less than or equal to 0.9%, less than or equal to 0.8%, less than or equal to 0.7%, less than or equal to 0.6%, less than or equal to 0.5%, less than or equal to 0.4%, less than or equal to 0.3%, less than or equal to 0.2%, less than or equal to 0.1%, etc.

The following are specific examples.

Example 1

The preparation method of the elastic woven belt in the embodiment comprises the following steps:

s201: the first prefabricated core-spun yarn is woven by taking 150D terylene low-elasticity white blank yarn as surface yarn and 30D spandex yarn as core yarn. And weaving a second prefabricated covering yarn by taking 150D cationic dyeable polyester yarn as a face yarn and 30D spandex yarn as a core yarn. And weaving the 150D nylon white blank yarn as a surface yarn and the 42# latex yarn as a core yarn into a third prefabricated covering yarn.

S202: and respectively carrying out tension enhancement treatment on the first prefabricated covering yarn, the second prefabricated covering yarn and the third prefabricated covering yarn to obtain a first tensioned covering yarn, a second tensioned covering yarn and a third tensioned covering yarn. Wherein the tension enhancing treatment provides a retraction ratio of the first tensioned core spun yarn, the second tensioned core spun yarn, and the third tensioned core spun yarn of less than or equal to 0.2%.

S203: weaving the braid by adopting the first tensioning covering yarn 2kg, the second tensioning covering yarn 2kg, the third tensioning covering yarn 2kg and the base yarn. Wherein the basic yarn is 2kg of 150D carbon black stock solution colored yarn, 2kg of 150D terylene low-elasticity white blank yarn, 5kg of 150D cation dyeable terylene white blank yarn and 5kg of 150D nylon white blank yarn. And during weaving, controlling the compactness of the woven tape to be 8.0-8.5.

S204: the woven tape obtained in S203 was wound on a dyeing reel and put into a dyeing machine (the dyeing machine employs a beam tape dyeing machine of guangdong overflow limited, which can dye 0.5kg at minimum). And (3) dyeing pretreatment is carried out on the woven tape obtained in the step (S203), wherein the pretreatment liquid is prepared from the following components: JInterge LCF-185 (from Fumega trade, Guangzhou) 120g, sodium carbonate 250g and water 100L. The addition sequence of each component is water, JInterge LCF-185 and sodium carbonate. Then the temperature of the pretreatment liquid is raised to 70-75 ℃, and the pretreatment time is 30 min. After the pretreatment, 100L of water was drained, and 120g of acetic acid (98% from Fumega trade Co., Ltd., Guangzhou) was added for 8 min.

S205: and (4) carrying out cationic dyeing treatment on the woven tape after the S204 treatment. The cationic staining solution is prepared from the following components: astrazon Yellow GL-E200% 5g, Astrazon Red FBL 200% 5g, Astrazon Blue FGRL 200% 120g (cationic dye from Desida Shanghai trade Co., Ltd.), sodium acetate 200g, acetic acid 250 g. During dyeing, cationic dye, sodium acetate and acetic acid are added in sequence. Then the temperature of the cationic dye solution is increased to 65 ℃ at the heating rate of 3-5 ℃/min, then the temperature of the cationic dye solution is increased to 120 ℃ at the heating rate of 0.8-1 ℃/min, and the temperature is kept for 70-80 min. And draining water after cationic dyeing.

S206: and (4) carrying out reduction cleaning treatment on the woven tape subjected to the cationic dyeing in the step (S205). Adding 100L of water, 200g of caustic soda and 500g of sodium hydrosulfite in sequence, heating to 80 ℃, and preserving heat for 20-25 min. And then draining the water. Then adding 100L of water, 200g of caustic soda and 500g of sodium hydrosulfite in sequence, heating to 80 ℃, and preserving heat for 20-25 min. And then draining the water.

S207: and performing neutralization processing on the woven belts after the processing of the S206. 100L of water and 160g of acetic acid are added in sequence, and the operation is carried out for 10 min.

S208: and performing reactive dye liquor dyeing treatment on the woven tape after the S207 treatment. The active dye solution is prepared from the following components: 220g of reactive dye, 80g of JET penetration enhancer (from Hounsfield chemical trade (Shanghai)) 80g, 200g of sodium acetate, 250g of acetic acid, and 100L of water. Wherein the reactive dyes are Eriofast Yellow5G 200G, Eriofast Br.Red 3G 10G and Eriofast Blue 3R 10G. Reactive dyes are available from hensmy chemical trade (shanghai) ltd. After the active dye solution is added, the temperature of the cationic dye solution is raised to 65 ℃ at the heating rate of 3 ℃/min to 5 ℃/min, then the temperature of the cationic dye solution is raised to 100 ℃ at the heating rate of 0.8 ℃/min to 1 ℃/min, and the temperature is kept for 50min to 55 min.

S209: the fixing process is performed on the webbing after the processing at S208. The color fixing solution is prepared from the following components: 200g of caustic soda, 100g of ERIOFAST FIX (from Hensman), 100L of water, and running at 60 ℃ for 25 min. Then, the water is drained, 100L of water and 120g of acetic acid are fed, and the operation is carried out for 10 min.

S210: the webbing after the processing at S209 is subjected to a re-fixing processing. The color fixing solution is prepared from the following components: 300g of compound fixing agent and 100L of water, wherein the compound fixing agent comprises N- (2-aminoethyl) -1, 2-diethylamine polymer, polyurethane polymer and hydroxyl polymer, and the mass ratio of the N- (2-aminoethyl) -1, 2-diethylamine polymer, polyurethane polymer and hydroxyl polymer is 3: 2: 2. the temperature of the color fixing treatment is 50-55 ℃, and the time of the color fixing treatment is 30-35 min. And dehydrating and drying after color fixing treatment.

S211: and performing oil softening treatment on the woven belt after the treatment of the S210. The concentration of the soft oil is 15g/L, and the temperature of the soft oil is 50 ℃. The soft oil is

T535 silicone oil (from dumet silicone ltd).

S212: and performing shaping processing on the woven belt after the processing of the S211. The woven belt is tightened during the shaping treatment, the shaping temperature is 120-150 ℃, and the shaping pressure is 1kg/cm²～1.5kg/cm²The setting time is 15 s-20 s.

The elastic webbing in this embodiment is obtained after the sizing process.

Example 2

The present embodiment is different from embodiment 1 in that: without performing S201 and S202, in S203, weaving is performed with a base yarn. Wherein 3kg of 150D carbon black stock solution dyed yarns, 3kg of 150D terylene low-elasticity white blank yarns, 7kg of 150D cationic dyeable terylene white blank yarns and 7kg of 150D nylon white blank yarns.

Example 3

The present embodiment is different from embodiment 1 in that:

s201: the first prefabricated core-spun yarn is woven by taking 150D terylene low-elasticity white blank yarn as surface yarn and 30D spandex yarn as core yarn. And weaving the 150D nylon white blank yarn as a surface yarn and the 42# latex yarn as a core yarn into a third prefabricated covering yarn.

S202: and respectively carrying out tension enhancement treatment on the first prefabricated core-spun yarn and the third prefabricated core-spun yarn to obtain a first tensioning core-spun yarn and a third tensioning core-spun yarn. Wherein the tension-enhancing treatment makes the retraction rate of the first tensioned core-spun yarn and the third tensioned core-spun yarn less than or equal to 0.2%.

S203: the braid is woven by using the first tensioned covering yarn 2kg, the third tensioned covering yarn 2kg and the base yarn. Wherein the basic yarns are 6kg of 150D carbon black stock solution colored yarns, 5kg of 150D terylene low-elasticity white blank yarns and 5kg of 150D nylon white blank yarns. And during weaving, controlling the compactness of the woven tape to be 8.0-8.5.

S205 to S207 are not performed.

Example 4

The present embodiment is different from embodiment 1 in that:

s201: the first prefabricated core-spun yarn is woven by taking 150D terylene low-elasticity white blank yarn as surface yarn and 30D spandex yarn as core yarn. And weaving a second prefabricated covering yarn by taking 150D cationic dyeable polyester yarn as a face yarn and 30D spandex yarn as a core yarn.

S202: and respectively carrying out tension enhancement treatment on the first prefabricated core-spun yarn and the second prefabricated core-spun yarn to obtain a first tensioned core-spun yarn and a second tensioned core-spun yarn. Wherein the tension enhancement treatment makes the retraction rate of the first tensioned covering yarn and the second tensioned covering yarn less than or equal to 0.2%.

S203: the braid is woven by using the first tensioned covering yarn 2kg, the second tensioned covering yarn 2kg and the base yarn. Wherein the basic yarn is 6kg of 150D carbon black stock solution colored yarn, 5kg of 150D terylene low-elasticity white blank yarn and 5kg of 150D cation dyeable terylene white blank yarn. And during weaving, controlling the compactness of the woven tape to be 8.0-8.5.

S208 to S210 are not performed.

Example 5

The present embodiment is different from embodiment 1 in that:

s204: and (4) winding the woven tape obtained in the step (S203) into a bundle of 0.5kg, and hanging the woven tape into a high-temperature overflow jet sizing dyeing agent. And (3) dyeing pretreatment is carried out on the woven tape obtained in the step (S203), wherein the pretreatment liquid is prepared from the following components: JInterge LCF-185 (from Fumega trade, Guangzhou) 400g, sodium carbonate 800g and water 300L. The addition sequence of each component is water, JInterge LCF-185 and sodium carbonate. Then the temperature of the pretreatment liquid is raised to 70-75 ℃, and the pretreatment time is 30 min. After the pretreatment, 100L of water was drained, and 400g of acetic acid (98% from Fumega trade Co., Ltd., Guangzhou) was added for 8 min.

In S205, 650g of sodium acetate and 800g of acetic acid were added.

S206: and (4) carrying out reduction cleaning treatment on the woven tape subjected to the cationic dyeing in the step (S205). Adding 100L of water, 600g of caustic soda and 1500g of sodium hydrosulfite in sequence, heating to 80 ℃, and preserving heat for 20-25 min. And then draining the water. Then adding 300L of water, 600g of caustic soda and 1500g of sodium hydrosulfite in sequence, heating to 80 ℃, and preserving heat for 20-25 min. And then draining the water.

S207: and performing neutralization processing on the woven belts after the processing of the S206. 100L of water and 500g of acetic acid are added in sequence, and the operation is carried out for 10 min.

200g of JET penetration enhancer, 600g of sodium acetate and 600g of acetic acid in S208.

In S209, ERIOFAX 80g and acetic acid 400 g.

In S210, 700g of color fixing agent is compounded.

Example 6

The present embodiment is different from embodiment 1 in that: s206 to S207 are not performed.

Example 7

The present embodiment is different from embodiment 1 in that:

s206: and (4) carrying out reduction cleaning treatment on the woven tape subjected to the cationic dyeing in the step (S205). Adding 100L of water, 200g of caustic soda and 500g of sodium hydrosulfite in sequence, heating to 80 ℃, and preserving heat for 20-25 min. And then draining the water.

S207 is not performed.

Example 8

The present embodiment is different from embodiment 1 in that:

in S209, the reduction washing treatment was not performed, and then 100L of water and 120g of acetic acid were fed, and the operation was performed for 10 min.

Example 9

The present embodiment is different from embodiment 1 in that: s210 is not performed.

Example 10

The present embodiment is different from embodiment 1 in that: s211 is not performed.

Example 11

The present embodiment is different from embodiment 1 in that: the webbing is not tightened during the setting processing in S212.

Example 12

The present embodiment is different from embodiment 1 in that: in S212, the setting temperature is 80-100 ℃.

Example 13

The present embodiment is different from embodiment 1 in that: s203: the braid is woven using 6kg of the first tensioned core spun yarn, 6kg of the second tensioned core spun yarn, and 8kg of the third tensioned core spun yarn.

Example 14

The present embodiment is different from embodiment 1 in that:

s205: disperse dyes (TERASIL) from Hensman chemical trade (Shanghai) Limited were added to the cationic staining solutions.

Namely, the cationic staining solution is prepared from the following components: TERASIL Orange E-EL 5g, TERASIL RED WW-BFS 100g, TERASIL BLUE WW-2RS 150g, Astrazon Yellow GL-E200% 5g, Astrazon Red FBL 200% 5g, Astrazon BLUE FGRL 200% 120g, sodium acetate 200g, acetic acid 250 g.

During dyeing, disperse dye (TERASIL), cationic dye, sodium acetate and acetic acid are added. Then the temperature of the cationic dye solution is increased to 65 ℃ at the heating rate of 3-5 ℃/min, then the temperature of the cationic dye solution is increased to 130 ℃ at the heating rate of 0.8-1 ℃/min, and the temperature is kept for 70-80 min. And draining water after cationic dyeing.

The test was carried out on the woven tapes of examples 1 to 14, and the test items, the test standards and the test results are shown in tables 1 and 2.

TABLE 1

TABLE 2

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the patent of the invention is subject to the appended claims, and the description can be used for explaining the contents of the claims.

Claims

1. The preparation method of the elastic woven belt is characterized by comprising the following steps:

and weaving the woven belt by adopting the tensioned covering yarn.

2. The method of making an elastic webbing of claim 1, wherein the preformed core spun yarn is subjected to a tension enhancing treatment such that the shrinkage of the tensioned core spun yarn is less than or equal to 1%.

3. The method of making an elastic webbing of claim 1, wherein the face yarn is at least one of polyester yarn and nylon yarn, and the core yarn is at least one of spandex yarn and latex yarn.

4. The method of making an elastic webbing belt according to any one of claims 1 to 3, further comprising the steps of, after weaving the webbing belt with the tensioned core-spun yarns:

and dyeing the woven braid to obtain the dyed braid.

5. The method of making an elastic webbing of claim 4, wherein the dyeing process includes the steps of:

6. The method of making an elastic webbing of claim 4, further comprising the step of, after the dyeing of the woven webbing:

150 to 250 portions of caustic soda,

400 to 600 parts of sodium hydrosulfite and

99000 to 100000 portions of water.

7. The method of making an elastic webbing of claim 6, further comprising the step of, after subjecting the dyed webbing to a reduction cleaning process:

100 to 200 portions of acetic acid and 99000 to 100000 portions of water.

8. The method of making an elastic webbing of claim 7, further comprising the step of, after the neutralizing the reducing webbing:

9. The method for preparing an elastic webbing belt according to claim 8, wherein the reactive dye solution comprises the following components in parts by weight:

200 to 300 portions of reactive dye,

50 to 100 portions of penetration enhancer,

200 to 220 portions of sodium acetate,

Acetic acid 200 to 300 parts, and

98000 to 100000 parts of water.

10. The method of making an elastic webbing of claim 4, further comprising the step of, after the dyeing of the woven webbing: carrying out color fixing treatment on the dyed woven tape,

11. the method of making an elastic webbing of claim 10, further comprising the steps of:

12. The method of making an elastic webbing of claim 11, further comprising the steps of: