CN112359606A - Preparation process of modified cotton knitted fabric - Google Patents
Preparation process of modified cotton knitted fabric Download PDFInfo
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- CN112359606A CN112359606A CN202011226904.8A CN202011226904A CN112359606A CN 112359606 A CN112359606 A CN 112359606A CN 202011226904 A CN202011226904 A CN 202011226904A CN 112359606 A CN112359606 A CN 112359606A
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- 239000004744 fabric Substances 0.000 title claims abstract description 120
- 229920000742 Cotton Polymers 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 238000005498 polishing Methods 0.000 claims abstract description 86
- 102000004190 Enzymes Human genes 0.000 claims abstract description 57
- 108090000790 Enzymes Proteins 0.000 claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000203 mixture Substances 0.000 claims abstract description 14
- 239000004902 Softening Agent Substances 0.000 claims abstract description 13
- 238000007493 shaping process Methods 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims description 56
- 238000000034 method Methods 0.000 claims description 24
- 230000008569 process Effects 0.000 claims description 19
- 238000003825 pressing Methods 0.000 claims description 17
- 238000005507 spraying Methods 0.000 claims description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 230000007935 neutral effect Effects 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000004898 kneading Methods 0.000 claims description 7
- 239000004677 Nylon Substances 0.000 claims description 6
- 230000002378 acidificating effect Effects 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 238000013329 compounding Methods 0.000 claims description 6
- 229920001778 nylon Polymers 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- 239000000243 solution Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 238000005282 brightening Methods 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 229920000768 polyamine Polymers 0.000 claims description 3
- 238000003892 spreading Methods 0.000 claims description 2
- 230000007480 spreading Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 13
- 238000005406 washing Methods 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 239000000835 fiber Substances 0.000 description 4
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
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Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
- D06M16/003—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic with enzymes or microorganisms
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
- D06B1/02—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by spraying or projecting
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
- D06B23/20—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation
- D06B23/205—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation for adding or mixing constituents of the treating material
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C15/00—Calendering, pressing, ironing, glossing or glazing textile fabrics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C7/00—Heating or cooling textile fabrics
- D06C7/02—Setting
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/50—Modified hand or grip properties; Softening compositions
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The invention discloses a preparation process of a modified cotton knitted fabric, which comprises the following steps: s100, removing fluff and polishing the fabric to be treated by adopting a polishing enzyme composition; s200, softening the fabric to be treated after the velvet removing and polishing treatment; s300, shaping the fabric to be treated after softening treatment; wherein the polishing enzyme composition comprises at least two polishing enzymes. According to the invention, the polishing enzyme composition is used for polishing the cotton fibers, and based on the matched use of the two polishing enzymes, the polishing effect can be effectively improved, the content of the whole polishing enzyme can be reduced to a certain extent by replacing the two polishing enzymes after polishing, the effects of improving the gloss of the cotton fibers and reducing the damage to fabrics are further achieved, the consumption of energy sources such as water and the like in the washing process can be further reduced, and on the basis, the elasticity and the gloss of the cotton fibers are further improved by the action of a softening agent and the like after polishing the cotton fibers.
Description
Technical Field
The invention relates to the field of treatment processes of cotton knitted fabrics, in particular to a preparation process of a modified cotton knitted fabric.
Background
The traditional high-gloss and high-elasticity cotton knitted fabric is mercerized on grey cloth by a special mercerizing machine for knitting under the condition of high-concentration caustic soda, and the treated fabric has good elasticity but hard hand feeling. Especially, after the caustic soda treatment, the fabric is removed by being woven by a large amount of water, the water and energy consumption is large, and the new requirements of energy-saving, environment-friendly and green production are not met.
Disclosure of Invention
The invention aims to provide a preparation process of a modified cotton knitted fabric, which aims to solve the technical problem that water and energy consumption are high because caustic soda treatment and then a large amount of water washing are generally needed in the prior art.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
a preparation process of a modified cotton knitted fabric comprises the following steps:
s100, removing fluff and polishing the fabric to be treated by adopting a polishing enzyme composition;
s200, softening the fabric to be treated after the velvet removing and polishing treatment;
s300, shaping the fabric to be treated after softening treatment; wherein the content of the first and second substances,
the polishing enzyme composition comprises at least two polishing enzymes.
In a preferred embodiment of the present invention, the polishing enzyme composition at least comprises an acidic polishing enzyme and a neutral polishing enzyme, and step S100 specifically comprises:
s101, under the conditions that the temperature is 50-60 ℃ and the pH value is 4-5, putting the fabric to be treated into an aqueous solution of acid polishing enzyme with the concentration of 0.2-0.8g/L for polishing treatment for 30-45 min;
s102, kneading the fabric to be treated after the acidic polishing enzyme treatment;
s103, moving the kneaded fabric to be treated at a speed of 50-60m/min after being laid flat and finished, and spraying a neutral polishing enzyme aqueous solution with the concentration of 0.5-1.0g/L on the surface of the fabric to be treated to finish the lint removing and polishing treatment of the fabric to be treated.
In a preferred embodiment of the present invention, step S101 is performed by placing the fabric to be treated in a stirring cylinder and stirring the fabric, wherein the stirring speed is gradually decreased from the center to the outer periphery of the stirring cylinder.
As a preferred scheme of the invention, the stirring of the fabric to be treated in the stirring cylinder is specifically rotational flow type non-contact stirring, and the specific stirring method comprises the following steps:
the fabric to be treated is placed in a stirring cylinder in a layered spiral manner, and a multilayer hollow structure is arranged in the fabric to be treated so that a backflow channel is reserved between layers of the fabric to be treated;
fixing a material head and a material tail of the fabric to be treated at the top or the bottom of a stirring cylinder to ensure that a middle channel and a peripheral channel are communicated with the backflow channel, wherein the middle channel is a channel formed in the stirring cylinder along the central axis of the stirring cylinder after the fabric to be treated is placed, and the peripheral channel is a channel between the fabric to be treated and the inner wall of the stirring cylinder;
and starting a stirring mechanism at the top or the bottom of the stirring cylinder to drive the water flow in the stirring cylinder to form a near-far rotational flow, and driving the water flow to form continuous water flow among the fabrics to be treated to uniformly scour the fabrics to be treated of each layer.
As a preferred embodiment of the present invention, step S103 specifically includes:
s1031, moving the kneaded fabric to be processed at a speed of 50-60m/min after being laid flat and sorted, and performing first intermittent flattening processing on the fabric to be processed by using a pressing block in the moving process;
s1032, spraying a water solution of neutral polishing enzyme to the surface of the fabric to be treated;
s1033, pressing the fabric to be processed by adopting a pressing block to perform secondary intermittent flattening processing; wherein the content of the first and second substances,
each intermittent flattening process at least comprises a plurality of flattening sections with different pressures.
In a preferred embodiment of the present invention, the first intermittent flattening process includes a first flattening stage and a second flattening stage which are alternately performed, and the frequency of the alternate operation is 5 to 10 times, and the pressing pressure of the first flattening stage is lower than that of the second flattening stage.
As a preferable aspect of the present invention, the second intermittent flattening treatment includes a third flattening section and a fourth flattening section that are sequentially performed, and a flattening time of the third flattening section is longer than a flattening time of the fourth flattening section, and a pressing pressure of the third flattening section is lower than a pressing pressure of the fourth flattening section.
As a preferable scheme of the invention, in the step S103, the spraying pressure of the nozzle in the spraying process is 0.2-0.4MPa, and the spraying time is 10-15 min.
As a preferred embodiment of the present invention, in step S200, the softening process specifically includes the steps of:
selecting an organosilicone softening agent and a polyamine ester softening agent, and adding a smooth and glossy agent at the same time;
two different softening agents and smooth brightening agents are mixed according to the mass ratio of 1: 3: 1, mixing the components simultaneously to form a compounding agent, wherein the total mass of the compounding agent is 6% of the mass of the cotton fibers.
As a preferable scheme of the present invention, in step S300, the sizing process specifically includes: adjusting the pressure of the nylon blanket, and keeping the pressure between 0.16 and 0.4MPa to shape the fabric to be treated by a nylon blanket shaping machine.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the polishing enzyme composition is used for polishing the cotton fibers, and based on the matched use of the two polishing enzymes, the polishing effect can be effectively improved, the content of the whole polishing enzyme can be reduced to a certain extent by replacing the two polishing enzymes after polishing, the effects of improving the gloss of the cotton fibers and reducing the damage to fabrics are further achieved, the consumption of energy sources such as water and the like in the washing process can be further reduced, and on the basis, the elasticity and the gloss of the cotton fibers are further improved by the action of a softening agent and the like after polishing the cotton fibers.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
Fig. 1 is a flow chart of a manufacturing process provided in an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the invention provides a preparation process of a modified cotton knitted fabric, which comprises the following steps:
s100, removing fluff and polishing the fabric to be treated by adopting a polishing enzyme composition;
s200, softening the fabric to be treated after the velvet removing and polishing treatment;
s300, shaping the fabric to be treated after softening treatment; wherein the content of the first and second substances,
the polishing enzyme composition comprises at least two polishing enzymes.
Carry out the combination through adopting different burnishing enzymes and go out fine hair polishing treatment to the surface fabric of treating to the mode that the burnishing enzyme combines of difference, reduce the quantity of burnishing enzyme and can not reduce glossiness and the compliance of the surface fabric after handling to a certain extent, and can further reduce the burnishing enzyme content of the surface fabric after handling through the mutual substitution between the burnishing enzyme, on this basis, can effectively reduce the consumption of water etc. energy among the washing process, and effectively improve whole operation process's feature of environmental protection. On the basis, the elasticity and the luster of the cotton fibers are further improved by the action of a softening agent and the like after the cotton fibers are polished.
In a preferred embodiment of the present invention, in order to further enhance the synergistic effect of the whole polishing enzyme composition, the polishing enzyme composition at least comprises an acidic polishing enzyme and a neutral polishing enzyme, and step S100 specifically comprises:
s101, under the conditions that the temperature is 50-60 ℃ and the pH value is 4-5, putting the fabric to be treated into an aqueous solution of acid polishing enzyme with the concentration of 0.1-0.2g/L for polishing treatment for 30-45 min;
s102, kneading the fabric to be treated after the acidic polishing enzyme treatment;
s103, moving the kneaded fabric to be treated at a speed of 50-60m/min after being laid flat and finished, and spraying a neutral polishing enzyme aqueous solution with the concentration of 0.2-0.4g/L on the surface of the fabric to be treated to finish the lint removing and polishing treatment of the fabric to be treated.
Firstly, soaking treatment is carried out by adopting acid polishing enzyme, cotton fiber on the surface of the fabric is effectively subjected to primary polishing treatment, a thicker fiber part is removed, on the basis, the fabric is kneaded, a certain amount of acid polishing enzyme adsorbed in the fabric is effectively squeezed out in the kneading treatment process, a thinner fiber part is further kneaded out, secondary polishing of the fabric is further realized by spraying neutral polishing enzyme, the polishing effect is effectively improved, a large amount of polishing enzyme can be avoided, the post-treatment process is reduced, and the environment friendliness is improved.
In a more preferred embodiment, in order to make the primary polishing effect better, step S101 is performed by placing the fabric to be treated in a stirring cylinder and stirring the fabric, wherein the stirring speed is gradually reduced from the center to the periphery of the stirring cylinder. Of course, the realization of the different stirring rates here can be realized through setting up main stirring rake and the follow stirring rake that encircles main stirring rake, and simultaneously, the (mixing) shaft of main stirring rake and follow stirring rake can pass through change gear to through same drive structure synchronous drive, effectively realize holistic stirring rate's control.
The stirring of the fabric to be treated in the stirring tank is specifically rotational flow type non-contact stirring, and the specific stirring method comprises the following steps:
the fabric to be treated is placed in a stirring cylinder in a layered spiral manner, and a multilayer hollow structure is arranged in the fabric to be treated so that a backflow channel is reserved between layers of the fabric to be treated;
fixing a stub bar and a stub bar of the fabric to be treated at the top or the bottom of a stirring cylinder so as to ensure that a middle channel and a peripheral channel are communicated with the backflow channel, wherein the middle channel is a channel formed inside the stirring cylinder along the central axis of the stirring cylinder after the fabric to be treated is placed, and the peripheral channel is a channel between the fabric to be treated and the inner wall of the stirring cylinder.
And starting a stirring mechanism at the top or the bottom of the stirring cylinder to drive the water flow in the stirring cylinder to form a near-far rotational flow, and driving the water flow to form continuous water flow among the fabrics to be treated to uniformly scour the fabrics to be treated of each layer.
In the invention, the rotational flow can be realized by the plurality of stirring paddles, so that a plurality of rotational flows which are mutually interfered are formed in the same stirring cylinder, the water flow containing polishing enzyme can be further contacted with the fabric to be treated, the fabric can be better polished, the rotational flow can take away the dissolved impurities in the treatment process, and the effect of polishing treatment is prevented from being influenced because the impurities are attached to the fabric.
Therefore, in order to ensure the polishing effect, in the present embodiment, the importance is placed on the arrangement level of the fabrics to be treated, that is, the polishing effect is better when the interval of each layer of the fabrics to be treated is larger or the number of overlapped layers is smaller.
In the present invention, it should be noted that the swirling non-contact type agitation is not only used for polishing enzymes, but also includes the addition of other auxiliary agents, such as a softening agent, etc., in the following.
In another preferred embodiment of the present invention, step S103 specifically includes:
s1031, moving the fabric to be treated after the kneading treatment at the speed of 300-330m/min after the spreading and finishing, and performing first intermittent flattening treatment on the fabric to be treated by adopting a pressing block in the moving process;
s1032, spraying a water solution of neutral polishing enzyme to the surface of the fabric to be treated;
s1033, pressing the fabric to be processed by adopting a pressing block to perform secondary intermittent flattening processing; wherein the content of the first and second substances,
each intermittent flattening process at least comprises a plurality of flattening sections with different pressures.
Based on the operation of intermittent type formula processing of flattening, can carry out further flattening and equilibrium to the pending surface fabric after polishing in advance and the processing of kneading, and then realize neutral polishing enzyme's polishing effect better, and simultaneously, based on twice intermittent type formula processing of flattening, after the first intermittent type formula processing of flattening, can make polishing enzyme disperse better and handle on the surface fabric surface, effectively guarantee polishing effect, the second intermittent type formula is flattened and is handled and can be made partial attached surface fiber further extrude, and further carry out polishing treatment, further perfect whole polishing process.
In a more preferred embodiment, the first intermittent flattening process comprises a first flattening section and a second flattening section which are alternately performed, and the frequency of the alternate operation is 5-10 times, and the pressing pressure of the first flattening section is smaller than that of the second flattening section.
In a further preferred embodiment, the second intermittent flattening treatment includes a third flattening section and a fourth flattening section that are sequentially performed, the flattening time of the third flattening section is longer than the flattening time of the fourth flattening section, and the pressing pressure of the third flattening section is smaller than the pressing pressure of the fourth flattening section. The third flattening section is operated in a long-time small-pressure mode, and attached surface fibers can be further enabled to stand up relatively. And the polishing effect is effectively improved and the polishing enzyme is effectively extruded by further combining the fourth flattening section.
In a more preferred embodiment, in step S103, the spraying pressure of the nozzle during spraying is 0.2-0.4MPa, and the spraying time is 10-15 min.
In another preferred embodiment of the present invention, in step S200, the softening process includes the following specific steps:
selecting an organosilicone softening agent and a polyamine ester softening agent, and adding a smooth and glossy agent at the same time;
two different softening agents and smooth brightening agents are mixed according to the mass ratio of 1: 3: 1, mixing the components simultaneously to form a compounding agent, wherein the total mass of the compounding agent is 6% of the mass of the cotton fibers.
In a more preferred embodiment of the present invention, in step S300, the sizing process specifically includes: adjusting the pressure of the nylon blanket, and keeping the pressure between 0.16 and 0.4MPa to shape the fabric to be treated by a nylon blanket shaping machine.
After the conventional fabric is subjected to polishing enzyme treatment, the conventional fabric needs to be soaked in an alkaline solution environment and then cleaned by a large amount of clear water, and after the napping and polishing treatment, the conventional fabric is directly cleaned by a certain amount of clear water (about half of the amount of the clear water in the conventional washing process). Through detection, the anti-pilling grade of the conventional cotton knitted fabric can reach about 4 according to the detection mode of GB/T4802.1, and the anti-pilling grade of the cotton knitted fabric is 4.5. Therefore, the cotton knitted fabric obtained by the method not only greatly reduces the consumption of energy sources such as water and the like, but also has the lint removing and polishing treatment effect which is not inferior to that of the prior art, and even is slightly superior to that of the cotton knitted fabric obtained by the conventional method.
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.
Claims (10)
1. A preparation process of a modified cotton knitted fabric is characterized by comprising the following steps:
s100, removing fluff and polishing the fabric to be treated by adopting a polishing enzyme composition;
s200, softening the fabric to be treated after the velvet removing and polishing treatment;
s300, shaping the fabric to be treated after softening treatment; wherein the content of the first and second substances,
the polishing enzyme composition comprises at least two polishing enzymes.
2. The process for preparing a modified cotton knitted fabric according to claim 1, wherein the buffing enzyme composition at least comprises an acidic buffing enzyme and a neutral buffing enzyme, and the step S100 specifically comprises:
s101, under the conditions that the temperature is 50-60 ℃ and the pH value is 4-5, putting the fabric to be treated into an aqueous solution of acid polishing enzyme with the concentration of 0.1-0.2g/L for polishing treatment for 30-45 min;
s102, kneading the fabric to be treated after the acidic polishing enzyme treatment;
s103, moving the kneaded fabric to be treated at a speed of 50-60m/min after being laid flat and finished, and spraying a neutral polishing enzyme aqueous solution with the concentration of 0.2-0.4g/L on the surface of the fabric to be treated to finish the lint removing and polishing treatment of the fabric to be treated.
3. The process for preparing a modified cotton knitted fabric according to claim 2, wherein the step S101 is performed by placing the fabric to be treated in a stirring cylinder and stirring the fabric, and the stirring rate is gradually reduced from the center to the outer periphery of the stirring cylinder.
4. The preparation process of the modified cotton knitted fabric according to claim 3, wherein the fabric to be treated is placed in a stirring tank and stirred specifically by a rotational flow type non-contact stirring method, and the stirring method comprises the following steps:
the fabric to be treated is placed in a stirring cylinder in a layered spiral manner, and a multilayer hollow structure is arranged in the fabric to be treated so that a backflow channel is reserved between layers of the fabric to be treated;
fixing a material head and a material tail of the fabric to be treated at the top or the bottom of a stirring cylinder to ensure that a middle channel and a peripheral channel are communicated with the backflow channel, wherein the middle channel is a channel formed in the stirring cylinder along the central axis of the stirring cylinder after the fabric to be treated is placed, and the peripheral channel is a channel between the fabric to be treated and the inner wall of the stirring cylinder;
and starting a stirring mechanism at the top or the bottom of the stirring cylinder to drive the water flow in the stirring cylinder to form a near-far rotational flow, and driving the water flow to form continuous water flow among the fabrics to be treated to uniformly scour the fabrics to be treated of each layer.
5. The preparation process of the modified cotton knitted fabric according to claim 2, wherein the step S103 specifically comprises:
s1031, moving the fabric to be treated after the kneading treatment at the speed of 300-330m/min after the spreading and finishing, and performing first intermittent flattening treatment on the fabric to be treated by adopting a pressing block in the moving process;
s1032, spraying a water solution of neutral polishing enzyme to the surface of the fabric to be treated;
s1033, pressing the fabric to be processed by adopting a pressing block to perform secondary intermittent flattening processing; wherein the content of the first and second substances,
each intermittent flattening process at least comprises a plurality of flattening sections with different pressures.
6. The process for preparing a modified cotton knitted fabric according to claim 5, wherein the first intermittent flattening treatment comprises a first flattening section and a second flattening section which are alternately performed, the frequency of the alternate operation is 5-10 times, and the pressing pressure of the first flattening section is lower than that of the second flattening section.
7. The process for preparing a modified cotton knitted fabric according to claim 5, wherein the second intermittent flattening treatment comprises a third flattening section and a fourth flattening section which are sequentially performed, wherein the flattening time of the third flattening section is longer than that of the fourth flattening section, and the pressing pressure of the third flattening section is lower than that of the fourth flattening section.
8. The process for preparing the modified cotton knitted fabric according to claim 2, wherein in the step S103, the spraying pressure of the nozzle in the spraying process is 0.2 to 0.4MPa, and the spraying time is 10 to 15 min.
9. The preparation process of the modified cotton knitted fabric according to claim 1, wherein in the step S200, the softening treatment specifically comprises the following steps:
selecting an organosilicone softening agent and a polyamine ester softening agent, and adding a smooth and glossy agent at the same time;
two different softening agents and smooth brightening agents are mixed according to the mass ratio of 1: 3: 1, mixing the components simultaneously to form a compounding agent, wherein the total mass of the compounding agent is 6% of the mass of the cotton fibers.
10. The process for preparing a modified cotton knitted fabric according to claim 1, wherein in the step S300, the setting treatment specifically comprises: adjusting the pressure of the nylon blanket, and keeping the pressure between 0.16 and 0.4MPa to shape the fabric to be treated by a nylon blanket shaping machine.
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