CN113913998B

CN113913998B - Preparation method of elastic woven belt

Info

Publication number: CN113913998B
Application number: CN202111151907.4A
Authority: CN
Inventors: 张坚; 盛崤敏; 曾勇琪
Original assignee: Guangdong Kangpai Huanchuang Technology Co ltd
Current assignee: Guangdong Kangpai Huanchuang Technology Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2023-07-25
Anticipated expiration: 2041-09-29
Also published as: CN113913998A

Abstract

The invention relates to a preparation method of an elastic braid. In the method for preparing the elastic woven belt, the face yarn and the core yarn are woven into the prefabricated core yarn, wherein the elasticity of the core yarn is larger than that 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 adopting core-spun yarns. In the preparation method of the elastic braid, the core yarn and the surface yarn with different elasticity are matched with each other to obtain the prefabricated core-spun yarn with certain elasticity difference of the core and the surface, and then the prefabricated core-spun yarn is subjected to tension enhancement treatment, so that the elasticity of the core yarn and the surface yarn is well balanced, and the flatness of the braid is effectively improved on the basis of keeping the good elasticity of the braid.

Description

Preparation method of elastic woven belt

Technical Field

The invention relates to the technical field of textile, in particular to a preparation method of an elastic braid.

Background

In the weaving process, the woven belt is a product which is used more. The ready-made garment can show a richer appearance through the splicing of the woven belts and the ready-made garment main body. In general, the webbing and the garment may be made of different materials, and in order to make the webbing fit well with the garment, it is often necessary to provide the webbing with a certain elasticity. However, in the conventional webbing preparation method, the webbing can have certain elasticity through the selection of materials, but the webbing obtained through the conventional method is often poor in flatness, and the subsequent ironing processing is difficult to iron and smooth.

Disclosure of Invention

Based on this, it is necessary to provide a method for producing an elastic webbing that can effectively achieve both elasticity and flatness.

A method for preparing an elastic braid effectively improving the flatness of the braid.

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

a preparation method of an elastic webbing comprises the following steps:

weaving face yarns and core yarns into prefabricated core-spun yarns, wherein the elasticity of the core yarns is larger than that of the face yarns;

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

and weaving the tightening core-spun yarn into a woven belt.

In one embodiment, the prefabricated core-spun yarn is subjected to a tension enhancing treatment such that the taut core-spun yarn has a recovery of 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 tightening core yarn is adopted to weave the mesh belt:

and (3) dyeing the woven belt to obtain the dyed woven belt.

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

the woven ribbon is dyed by adopting cationic dye liquor, the temperature of the cationic dye liquor is raised to 60-70 ℃ at the heating rate of 3-5 ℃ per minute, and then the temperature of the cationic dye liquor is raised to 115-125 ℃ at the heating rate of 0.8-1 ℃ per minute, and the temperature is kept for 60-90 min.

In one embodiment, the dyeing treatment of the woven webbing further comprises the following steps:

and (3) carrying out reduction cleaning treatment on the dyed braid to obtain a reduction cleaning braid, wherein the reduction cleaning liquid used in the reduction cleaning treatment comprises the following components in parts by weight:

150 to 250 parts of caustic soda,

400-600 parts of sodium hydrosulfite

99000-100000 parts of water.

In one embodiment, the reduction cleaning treatment of the dyed fabric tape further comprises the following steps:

and (3) carrying out neutralization treatment on the reduction braid to obtain a neutralization braid, wherein the neutralization solution used in the neutralization treatment comprises the following components in parts by mass:

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

In one embodiment, the reduction webbing is further subjected to a neutralization treatment, and then the method further comprises the following steps:

and (3) carrying out reactive dyeing treatment on the neutralized woven belt, heating the reactive dyeing liquid to 60-70 ℃ at a heating rate of 3-5 ℃ per minute, heating the reactive dyeing liquid to 98-105 ℃ at a heating rate of 0.8-1 ℃ per minute, and preserving heat for 45-60 minutes.

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

200 to 300 parts of reactive dye,

50 to 100 parts of penetration enhancer,

200 to 220 portions of sodium acetate,

200 to 300 parts of acetic acid

98000 to 100000 portions of water.

In one embodiment, the dyeing treatment of the woven webbing further comprises the following steps: the dyed ribbon is subjected to fixation treatment,

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

200 to 400 parts of compound color fixing agent and 99000 to 100000 parts 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 manufacturing an elastic webbing further includes the steps of:

and (3) carrying out soft oil treatment on the dyed braid after the fixation treatment, wherein the concentration of soft oil used in the soft oil treatment is 10 g/L-20 g/L, and the temperature of the soft oil is 40-85 ℃.

the dyed braid after being treated by soft oil is shaped, the shaping temperature is 100 ℃ to 170 ℃, and the shaping pressure is 0.5kg/cm ² ～3.5kg/cm ² The shaping time is 15 s-35 s.

In the preparation method of the elastic woven belt, the face yarn and the core yarn are woven into the prefabricated core yarn, wherein the elasticity of the core yarn is larger than that 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 adopting core-spun yarns. In the preparation method of the elastic braid, the core yarn and the surface yarn with different elasticity are matched with each other to obtain the prefabricated core-spun yarn with certain elasticity difference of the core and the surface, and then the prefabricated core-spun yarn is subjected to tension enhancement treatment, so that the elasticity of the core yarn and the surface yarn is well balanced, and the flatness of the braid is effectively improved on the basis of keeping the good elasticity of the braid.

Detailed Description

The following detailed description of the present invention will provide further details in order to make the above-mentioned objects, features and advantages of the present invention more comprehensible. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.

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 herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

An embodiment of the invention provides a preparation method of an elastic braid. The preparation method of the elastic webbing comprises the following steps:

s101: the face yarn and the core yarn are woven into the prefabricated core 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: the tightening core yarn is adopted to weave the braid.

In the method for manufacturing the elastic webbing of the embodiment, the face yarn and the core yarn are woven into the prefabricated core yarn, wherein the elasticity of the core yarn is larger than that 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 adopting core-spun yarns. In the preparation method of the elastic braid, the core yarn and the surface yarn with different elasticity are matched with each other to obtain the prefabricated core-spun yarn with certain elasticity difference of the core and the surface, and then the prefabricated core-spun yarn is subjected to tension enhancement treatment, so that the elasticity of the core yarn and the surface yarn is well balanced, and the flatness of the braid is effectively improved on the basis of keeping the good elasticity of the braid.

Further, along with the diversified demands of consumers, auxiliary materials are required to be differentiated, the auxiliary materials are generally smaller in quantity and more in color, and the conventional one-time large-batch long-vehicle dyeing mode is adopted, so that the requirement of auxiliary material differentiation is difficult to meet. The intermittent dyeing machine is easy to cause bending and wrinkling of the elastic belt surface due to irregular tension in the dyeing, dehydrating, drying and winding processes, and the defects are difficult to iron in a traditional ironing mode, so that the evenness of the woven belt is poor. The preparation method in the embodiment can well balance the elasticity of the core yarn and the face yarn, and effectively improve the flatness of the mesh belt on the basis of keeping the mesh belt to have good elasticity.

Further, when the width of the webbing is greater than or equal to 15mm, the conventional method is more likely to cause uneven problems, and the manufacturing method in this embodiment can effectively improve the flatness of the webbing at this time.

It will be appreciated that braiding the face yarn and the core yarn into a webbing yarn comprises the steps of: wrapping the surface yarn and the core yarn, and twisting.

Preferably, the preformed core-spun yarn is subjected to a tension enhancing treatment such that the taut core-spun yarn has a recovery of less than or equal to 1%. For example, the prefabricated core-spun yarn is subjected to a tension enhancing treatment such that the retraction ratio of the drawn core-spun yarn is 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, or the like. Further preferably, the preformed core-spun yarn is subjected to a tension enhancing treatment such that the taut core-spun yarn has a recovery of less than or equal to 0.2%. The retraction rate of the tightening core spun yarn is controlled in a smaller range through tension enhancement treatment, so that the flatness of the braid is further improved. The retraction rate represents the length difference rate of the tensioned covering yarn when the tensioned covering yarn naturally retracts after being stretched.

In a specific example, the tension enhancing treatment of the prefabricated core-spun yarn comprises the steps of: and warping the prefabricated core-spun yarn and tensioning the prefabricated core-spun yarn through a tension adjusting device. When the tension enhancement treatment is carried out on the prefabricated core-spun yarn, the prefabricated core-spun yarn can be subjected to the warping treatment on a warping machine, and in the warping process, the tension enhancement treatment is carried out on the prefabricated core-spun yarn by installing a tension adjusting device on the warping machine. Specifically, the prefabricated core spun yarn is in a tight state during warping through the tension adjusting device. Further, during warping, the prefabricated core-spun yarns are divided into 2-3 layers for warping, the distance between the prefabricated core-spun yarns is enlarged, and interference between the prefabricated core-spun yarns is reduced. Further, during warping, the weight of the warp stop plate is increased, and after the prefabricated core-spun yarn is prevented from breaking, the prefabricated core-spun yarn is prevented from being rebounded and wound on a similar yarn.

Optionally, the tightening core yarn is used for weaving, and the tightness of the woven belt is controlled to be 7.0-9.5. 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, or the like.

The tightness of the webbing includes warp tightness and weft tightness, wherein, in numerical terms, warp tightness= (weft density x number of weft yarns D)/1000. Numerically, weft tightness= (warp density x number of warp yarns 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.

Further, 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 types of the latex filaments are 28# or 32# or 37# or 42# or 52# or 55# or 63# or 75# or 80# or 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. Alternatively, 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 a low-elasticity polyester white yarn or a cationic dyeable polyester white yarn.

As a specific example of the taut core yarn weaving, the taut core yarn and the base yarn are mixed for weaving.

When the tightening core-spun 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 stock solution colored polyester yarn, a white polyester yarn, a cationic dyeable polyester yarn and a nylon yarn. Specifically, the stock solution coloring polyester yarn is inorganic salt stock solution coloring polyester yarn.

In the preparation process of the elastic woven belt, the elastic woven belt can show more abundant and various colors through the selection of the facing yarn, the core yarn and the base yarn, and the diversified requirements of consumers on the colors are met.

In a specific example, the method further comprises the following steps after the step of weaving the mesh belt by using the tightening core yarn: and (5) dyeing the braid to obtain the dyed braid. The appearance of the webbing is further enriched by the dyeing process.

Preferably, the retraction rate of the control webbing during the dyeing process is less than or equal to 1%. Alternatively, the retraction rate of the control webbing during the dyeing process is 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.

Further, the dyeing process includes the steps of: the woven belt is dyed by adopting cationic dye liquor, the temperature of the cationic dye liquor is raised to 60 ℃ to 70 ℃ at the heating rate of 3 ℃ to 5 ℃ per minute, then the temperature of the cationic dye liquor is raised to 115 ℃ to 125 ℃ at the heating rate of 0.8 ℃ to 1 ℃ per minute, and the temperature is kept for 60 minutes to 90 minutes.

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

It will also be appreciated that the water is typically metered in volume during the production process. For ease of illustration, a weight of 1kg of water is typically employed for metering of water, with a volume of 1L.

Alternatively, the cationic dye includes Astrazon Yellow GL-E200%, astrazon Red FBL 200% and Astrazon Blue FGRL 200.200%. Optionally, the weight ratio of Astrazon Yellow GL-E200%, astrazon RedFBL 200% and Astrazon Blue FGRL 200% is 1 (0.8-1.5): 20-30. Further preferably, the weight ratio of AstrazonYellow GL-E200%, astrazon RedFBL 200% and Astrazon Blue FGRL 200% is 1:1:24.

In a specific example, the method further comprises the following steps before the woven fabric is dyed: the webbing is subjected to pretreatment.

The pretreatment comprises the following steps: the webbing is pretreated by 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. After pretreatment, 90000 to 120000 parts by weight of water and 100 to 150 parts by weight of acetic acid are added for 5 to 10 minutes. Then dyeing treatment is carried out. Optionally, the degreasing agent is Jinterface LCF-185.

In a specific example, the dyeing process of the webbing further includes the following steps: the dyeing braid is subjected to reduction cleaning treatment to obtain reduction cleaning braid, and the reduction cleaning liquid used in the reduction cleaning treatment comprises the following components in parts by weight: 150 to 250 parts of caustic soda, 400 to 600 parts of sodium hydrosulfite and 99000 to 100000 parts of water. Optionally, the sodium hydrosulfite is sodium hydrosulfite. Preferably, the reduction cleaning 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 reduction cleaning treatment of the dyed webbing further includes the following steps: neutralizing the reduction cleaning braid to obtain a neutralization braid, wherein the neutralization solution used in the neutralization treatment comprises the following components in parts by mass: 100 to 200 parts of acetic acid and 99000 to 100000 parts of water. The neutralization treatment time is 8-15 min.

Optionally, the method further comprises the following steps after the neutralization treatment of the reduction cleaning braid: the neutralization ribbon is dyed by an active dye liquor, the temperature of the active dye liquor is raised to 60 ℃ to 70 ℃ at the heating rate of 3 ℃ to 5 ℃ per minute, then the temperature of the active dye liquor is raised to 98 ℃ to 105 ℃ at the heating rate of 0.8 ℃ to 1 ℃ per minute, and the temperature is kept for 45min to 60min.

Further, the reactive dye solution comprises the following components in parts by weight: 200 to 300 parts of reactive dye, 50 to 100 parts of penetration enhancer, 200 to 220 parts of sodium acetate, 200 to 300 parts of acetic acid and 98000 to 100000 parts of water. The reactive dye comprises 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. Alternatively, the permeation enhancer is a JET permeation enhancer.

Further, after dyeing with an active dye liquor, carrying out fixation treatment, wherein the fixation liquor comprises the following components in parts by weight: 150 to 250 parts of caustic soda, 50 to 150 parts of cross-linking agent ERIOFAST FIX (from Hensmei), 99000 to 100000 parts of water and running for 20 to 30 minutes at the temperature of 55 to 65 ℃.

It is understood that the method for preparing the elastic webbing further comprises the following steps: and (3) carrying out fixation treatment on the dyed ribbon, wherein the fixation liquid for the fixation treatment comprises the following components in parts by weight: 200-400 parts of compound color fixing agent and 99000-100000 parts of water, wherein the compound color fixing agent comprises N- (2-aminoethyl) -1, 2-diethylamine polymer, polyurethane compound and 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 fixation treatment is 50-55 ℃, and the fixation treatment time is 30-35 min.

It will be appreciated that the fixation treatment may be after the dyeing treatment or after the reduction cleaning treatment. Specifically, the fixation treatment may be after the cationic dyeing treatment or after the reactive dye solution dyeing.

Further, the preparation method of the elastic webbing further comprises the following steps: and (3) carrying out soft oil treatment on the dyed braid after the fixation treatment, wherein the concentration of soft oil used in the soft oil treatment is 10 g/L-20 g/L, and the temperature of the soft oil is 40-85 ℃. Alternatively, the soft oil isT535 silicone oil.

Further, the method for preparing the elastic webbing further comprises the following steps: the dyed braid after being treated by soft oil is shaped, the shaping temperature is 100 ℃ to 170 ℃, and the shaping pressure is 0.5kg/cm ² ～3.5kg/cm ² The shaping time is 15 s-35 s. Preferably, the webbing is controlled to be in a tight state during the shaping treatment. The tightening state makes the retractive rate of the webbing 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 webbing in the embodiment comprises the following steps:

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

S202: and respectively carrying out tension enhancement treatment on the first prefabricated core-spun yarn, the second prefabricated core-spun yarn and the third prefabricated core-spun yarn to obtain the first tensioning core-spun yarn, the second tensioning core-spun yarn and the third tensioning core-spun yarn. Wherein the tension enhancing treatment causes the first, second, and third tensioned core-spun yarns to have a retractive ratio of less than or equal to 0.2%.

S203: the woven belt is woven by adopting the first tensioning core-spun yarn 2kg, the second tensioning core-spun yarn 2kg, the third tensioning core-spun yarn 2kg and the basic yarn. Wherein the basic yarn is 2kg of carbon black stock solution coloring yarn of 150D, 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. When weaving, the tightness of the woven belt is controlled to be 8.0-8.5.

S204: the webbing obtained in S203 was wound around a dyeing shaft, and put into a dyeing machine (the dyeing machine adopts a beam belt dyeing machine of guangdong Yida limited company, and the minimum dyeable amount is 0.5 kg). The webbing obtained in S203 is subjected to dyeing pretreatment, wherein the pretreatment liquid is made of the following components: 120g of Jinter LCF-185 (from Fu Md. Trade Co., guangzhou, inc.), 250g of sodium carbonate and 100L of water. The addition sequence of each component is water, jinterface LCF-185 and sodium carbonate in sequence. Then heating the pretreatment liquid to 70-75 ℃ for 30min. After pretreatment, water was drained, 100L of water was added, and 120g of acetic acid (98% from Fu Zhou trade Co., ltd.) was added to the mixture, followed by treatment for 8 minutes.

S205: the webbing after the treatment of S204 is subjected to a cationic dyeing treatment. The cationic dyeing liquid is prepared from the following components: astrazonYellow GL-E200%5g, astrazon Red FBL 200%5g, astrazon Blue FGRL% 120g (cationic dye from Des Da Shanghai trade Co., ltd.), sodium acetate 200g, acetic acid 250g. During dyeing, the cationic dye, sodium acetate and acetic acid are sequentially added. Then the temperature of the cationic dye liquor is raised to 65 ℃ at the heating rate of 3 ℃/min to 5 ℃/min, and then the temperature of the cationic dye liquor is raised to 120 ℃ at the heating rate of 0.8 ℃/min to 1 ℃/min, and the temperature is kept for 70min to 80min. Draining after cationic dyeing.

S206: the webbing after the S205 cation dyeing is subjected to a reduction cleaning treatment. 100L of water, 200g of caustic soda and 500g of sodium hydrosulfite are sequentially added, the temperature is raised to 80 ℃, and the temperature is kept for 20-25 min. And then drained. Then adding 100L of water, 200g of caustic soda and 500g of sodium hydrosulfite in turn, heating to 80 ℃, and preserving heat for 20-25 min. And then drained.

S207: the webbing after the process of S206 is subjected to a neutralization process. 100L of water and 160g of acetic acid are added in sequence, and the operation is carried out for 10min.

S208: the webbing after the S207 treatment is subjected to an reactive dye process. The active dye liquor is prepared from the following components: 220g of reactive dye, 80g of JET permeation enhancer (from Henschel chemical industry Co., ltd.), 200g of sodium acetate, 250g of acetic acid and 100L of water. Wherein the reactive dye is Eriofast Yellow5G 200G, eriofast Br.Red 3G 10G and Eriofast Blue 3R 10G. Reactive dyes are available from hounsfield chemical industry trade (Shanghai). After adding the active dye liquor, the temperature of the cationic dye liquor is raised to 65 ℃ at a heating rate of 3 ℃/min-5 ℃/min, and then the temperature of the cationic dye liquor is raised to 100 ℃ at a heating rate of 0.8 ℃/min-1 ℃/min, and the temperature is kept for 50 min-55 min.

S209: the fixation treatment is performed on the webbing after the treatment of S208. The color fixing liquid is prepared from the following components: 200g of caustic soda, 100g of crosslinking agent ERIOFAST FIX (from Henschel), 100L of water and 25min of operation at 60 ℃. Then draining, further feeding 100L of water and 120g of acetic acid, and running for 10min.

S210: the web after the treatment of S209 is subjected to a re-fixation treatment. The color fixing liquid is prepared from the following components: 300g of compound color fixing agent and 100L of water, wherein the compound color fixing agent comprises N- (2-aminoethyl) -1, 2-diethylamine polymer, polyurethane compound and hydroxyl polymer, and the mass ratio of the N- (2-aminoethyl) -1, 2-diethylamine polymer, polyurethane compound and hydroxyl polymer is 3:2:2. the temperature of the fixation treatment is 50-55 ℃, and the fixation treatment time is 30-35 min. And (5) dehydrating and drying after the fixation treatment.

S211: the webbing after the S210 treatment is subjected to a soft oil treatment. The concentration of the soft oil is 15g/L, and the temperature of the soft oil is 50 ℃. Soft oil isT535 silicone oil (from de mevalonate silicone limited).

S212: the webbing after the S211 process is subjected to a shaping process. Tightening the webbing during shaping treatment, wherein the shaping temperature is 120-150 ℃ and the shaping pressure is 1kg/cm ² ～1.5kg/cm ² The shaping time is 15 s-20 s.

The elastic webbing in this example was obtained after the shaping treatment.

Example 2

Compared with embodiment 1, this embodiment is different in that: s201 and S202 are not performed, and in S203, weaving is performed with a base yarn. Wherein, 3kg of carbon black stock solution coloring yarn of 150D, 3kg of 150D terylene low stretch white blank yarn, 7kg of 150D cation dyeable terylene white blank yarn and 7kg of 150D nylon white blank yarn.

Example 3

Compared with embodiment 1, this embodiment is different in that:

s201: and weaving the first prefabricated core-spun yarn by taking 150D terylene low elastic white blank yarn as a face yarn and 30D spandex yarn as a core yarn. And weaving a third prefabricated core-spun yarn by taking 150D nylon white blank yarn as a face yarn and taking 42# latex yarn as a core 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 the first tensioning core-spun yarn and the third tensioning core-spun yarn. Wherein the tension enhancing treatment causes the first and third tensioned core-spun yarns to have a retractive ratio of less than or equal to 0.2%.

S203: the webbing is woven by using 2kg of first tensioning core spun yarn, 2kg of third tensioning core spun yarn and base yarn. Wherein the base yarn is 6kg of carbon black stock solution coloring yarn of 150D, 5kg of polyester low-elasticity white blank yarn of 150D and 5kg of nylon white blank yarn of 150D. When weaving, the tightness of the woven belt is controlled to be 8.0-8.5.

S205 to S207 are not performed.

Example 4

Compared with embodiment 1, this embodiment is different in that:

s201: and weaving the first prefabricated core-spun yarn by taking 150D terylene low elastic white blank yarn as a face yarn and 30D spandex yarn as a core yarn. And weaving the second prefabricated core-spun yarn by taking 150D cationic dye 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 the first tensioning core-spun yarn and the second tensioning core-spun yarn. Wherein the tension enhancing treatment causes the retraction rate of the first tensioning core spun yarn and the second tensioning core spun yarn to be less than or equal to 0.2 percent.

S203: the webbing is woven by using 2kg of first tensioning core spun yarn, 2kg of second tensioning core spun yarn and basic yarn. Wherein the basic yarn is 6kg of carbon black stock solution coloring yarn of 150D, 5kg of 150D terylene low elastic white blank yarn and 5kg of 150D cation dyeable terylene white blank yarn. When weaving, the tightness of the woven belt is controlled to be 8.0-8.5.

S208 to S210 are not performed.

Example 5

Compared with embodiment 1, this embodiment is different in that:

s204: the webbing obtained in S203 was wound into 0.5 kg/bundle and hung in a high temperature overflow jet dyeing machine. The webbing obtained in S203 is subjected to dyeing pretreatment, wherein the pretreatment liquid is made of the following components: jinterface LCF-185 (from Fu Md. Co., guangzhou) 400g, sodium carbonate 800g and water 300L. The addition sequence of each component is water, jinterface LCF-185 and sodium carbonate in sequence. Then heating the pretreatment liquid to 70-75 ℃ for 30min. After pretreatment, water was drained, 100L of water was added, 400g of acetic acid (98% from Fu Zhou trade Co., ltd.) was added, and the mixture was treated for 8 minutes.

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

S206: the webbing after the S205 cation dyeing is subjected to a reduction cleaning treatment. 100L of water, 600g of caustic soda and 1500g of sodium hydrosulfite are sequentially added, the temperature is raised to 80 ℃, and the temperature is kept for 20-25 min. And then drained. Then 300L of water, 600g of caustic soda and 1500g of sodium hydrosulfite are sequentially added, the temperature is raised to 80 ℃, and the temperature is kept for 20 to 25 minutes. And then drained.

S207: the webbing after the process of S206 is subjected to a neutralization process. 100L of water and 500g of acetic acid are added in sequence, and the operation is carried out for 10min.

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

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

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

Example 6

Compared with embodiment 1, this embodiment is different in that: s206 to S207 are not performed.

Example 7

Compared with embodiment 1, this embodiment is different in that:

s206: the webbing after the S205 cation dyeing is subjected to a reduction cleaning treatment. 100L of water, 200g of caustic soda and 500g of sodium hydrosulfite are sequentially added, the temperature is raised to 80 ℃, and the temperature is kept for 20-25 min. And then drained.

S207 is not performed.

Example 8

Compared with embodiment 1, this embodiment is different in that:

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

Example 9

Compared with embodiment 1, this embodiment is different in that: s210 is not performed.

Example 10

Compared with embodiment 1, this embodiment is different in that: s211 is not performed.

Example 11

Compared with embodiment 1, this embodiment is different in that: the webbing is not stretched during the shaping process in S212.

Example 12

Compared with embodiment 1, this embodiment is different in that: the shaping temperature in S212 is 80-100 ℃.

Example 13

Compared with embodiment 1, this embodiment is different in that: s203: the webbing is woven by adopting 6kg of first tensioning core-spun yarn, 6kg of second tensioning core-spun yarn and 8kg of third tensioning core-spun yarn.

Example 14

Compared with embodiment 1, this embodiment is different in that:

s205: a disperse dye (TERASIL) is added into the cation dyeing liquid, wherein the disperse dye (TERASIL) is obtained from Henschel chemical industry trade (Shanghai).

Namely, the cationic dyeing liquid 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 RedFBL 200%5g, astrazon Blue FGRL% 120g, sodium acetate 200g, acetic acid 250g.

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

The webbing belts of examples 1 to 14 were tested, and the test items, test standards, and test results are shown in tables 1 and 2.

TABLE 1

TABLE 2

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. The scope of the invention is, therefore, indicated by the appended claims, and the description may be intended to interpret the contents of the claims.

Claims

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

carrying out tension enhancement treatment on the prefabricated core-spun yarn to obtain a tightening core-spun yarn, wherein the retraction rate of the tightening core-spun yarn is less than or equal to 1%;

weaving a braid by adopting the tightening core-spun yarn;

pretreating woven braid with pretreatment liquid at 70-75 deg.c for 20-40 min; the pretreatment liquid comprises the following components in parts by weight: 100 to 150 parts of degreasing agent, 200 to 300 parts of sodium carbonate and 90000 to 120000 parts of water;

after pretreatment, 90000-120000 parts by weight of water and 100-150 parts by weight of acetic acid are added for 5-10 min; then, dyeing treatment is carried out by adopting a warp beam ribbon dyeing machine to obtain a dyed ribbon; the dyeing treatment comprises: dyeing the woven fabric belt by adopting a cationic dye liquor, heating the cationic dye liquor to 60-70 ℃ at a heating rate of 3-5 ℃ per minute, heating the cationic dye liquor to 115-125 ℃ at a heating rate of 0.8-1 ℃ per minute, and preserving heat for 60-90 minutes; the cationic dye liquor comprises the following components in parts by weight: 50 to 200 parts of cationic dye, 200 to 300 parts of acetic acid, 200 to 220 parts of sodium acetate and 90000 to 120000 parts of water;

carrying out fixation treatment on the dyed braid by adopting fixation liquid, wherein the fixation treatment temperature is 50-55 ℃, and the fixation treatment time is 30-35 min; the color fixing liquid comprises the following components in parts by weight: 200-400 parts of compound color fixing agent and 99000-100000 parts 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;

carrying out soft oil treatment on the dyed braid after the fixation treatment, wherein the concentration of soft oil used in the soft oil treatment is 10 g/L-20 g/L, and the temperature of the soft oil is 40-85 ℃;

the dyed braid after being treated by soft oil is shaped, the shaping temperature is 100 ℃ to 170 ℃, and the shaping pressure is 0.5kg/cm ² ~3.5kg/cm ² The shaping time is 15 s-35 s, the braid is controlled to be in a tightening state during shaping treatment, and the retraction rate of the braid is less than or equal to 1% due to the tightening state.

2. The method of making an elastic webbing of claim 1, wherein the tension enhancing treatment of the preformed core-spun yarn comprises the steps of:

and warping the prefabricated core-spun yarn and tensioning the prefabricated core-spun yarn through a tension adjusting device.

3. The method of making an elastic webbing according to 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 as defined in claim 1, wherein said step of weaving the webbing using said tensioned core-spun yarn comprises: the tightness of the woven belt is controlled to be 7.0-9.5.

5. The method of manufacturing an elastic webbing as defined in claim 1, wherein the dyeing treatment of the webbing as woven further comprises the steps of:

150-250 parts of caustic soda,

400-600 parts of sodium hydrosulfite

99000-100000 parts of water.

6. The method of manufacturing an elastic webbing according to claim 5, wherein after the reduction cleaning treatment is performed on the dyed webbing, further comprising the steps of:

100-200 parts of acetic acid and 99000-100000 parts of water.

7. The method of making an elastic webbing as defined in claim 6, wherein after said reduction webbing is subjected to a neutralization treatment, further comprising the steps of:

and (3) carrying out reactive dyeing treatment on the neutralized webbing, increasing the temperature of the reactive dyeing liquor to 60-70 ℃ at the heating rate of 3-5 ℃ per minute, increasing the temperature of the reactive dyeing liquor to 98-105 ℃ at the heating rate of 0.8-1 ℃ per minute, and preserving heat for 45-60 minutes.

8. The method for producing an elastic webbing according to claim 7, wherein the reactive dye solution comprises the following components in parts by weight:

200-300 parts of reactive dye,

50-100 parts of penetration enhancer,

200-220 parts of sodium acetate,

200-300 parts of acetic acid

98000-100000 parts of water.