CN111074622A - Crease-resistant finishing composition and finishing process for cotton shirts by using crease-resistant finishing composition - Google Patents
Crease-resistant finishing composition and finishing process for cotton shirts by using crease-resistant finishing composition Download PDFInfo
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- CN111074622A CN111074622A CN201811213812.9A CN201811213812A CN111074622A CN 111074622 A CN111074622 A CN 111074622A CN 201811213812 A CN201811213812 A CN 201811213812A CN 111074622 A CN111074622 A CN 111074622A
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- cotton
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- 229920000742 Cotton Polymers 0.000 title claims abstract description 72
- 239000000203 mixture Substances 0.000 title claims abstract description 41
- 238000007730 finishing process Methods 0.000 title claims abstract description 11
- 229920002635 polyurethane Polymers 0.000 claims abstract description 31
- 239000004814 polyurethane Substances 0.000 claims abstract description 31
- 238000003825 pressing Methods 0.000 claims abstract description 15
- 238000001035 drying Methods 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 239000003223 protective agent Substances 0.000 claims abstract description 10
- 238000005406 washing Methods 0.000 claims abstract description 9
- 239000003054 catalyst Substances 0.000 claims abstract description 8
- 229920005989 resin Polymers 0.000 claims abstract description 8
- 239000011347 resin Substances 0.000 claims abstract description 8
- 239000004900 Hydrophilic Finishing Agent Substances 0.000 claims abstract description 6
- 230000001153 anti-wrinkle effect Effects 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 239000003513 alkali Substances 0.000 claims abstract 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical group [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 8
- ZEYUSQVGRCPBPG-UHFFFAOYSA-N 4,5-dihydroxy-1,3-bis(hydroxymethyl)imidazolidin-2-one Chemical compound OCN1C(O)C(O)N(CO)C1=O ZEYUSQVGRCPBPG-UHFFFAOYSA-N 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 229920001807 Urea-formaldehyde Polymers 0.000 claims description 4
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 4
- -1 polyethylene Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 4
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 4
- 125000001453 quaternary ammonium group Chemical group 0.000 claims description 4
- 229920002545 silicone oil Polymers 0.000 claims description 4
- 238000007598 dipping method Methods 0.000 claims 1
- 125000000373 fatty alcohol group Chemical group 0.000 claims 1
- 238000002791 soaking Methods 0.000 abstract description 62
- 239000003814 drug Substances 0.000 abstract description 55
- 238000007493 shaping process Methods 0.000 abstract description 11
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000010583 slow cooling Methods 0.000 abstract description 4
- 239000004744 fabric Substances 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000004132 cross linking Methods 0.000 description 8
- 239000000835 fiber Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000009958 sewing Methods 0.000 description 3
- 238000004513 sizing Methods 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010409 ironing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000002522 swelling effect Effects 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
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
- 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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/07—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof
- D06M11/11—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof with halogen acids or salts thereof
- D06M11/155—Halides of elements of Groups 2 or 12 of the Periodic Table
-
- 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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic Table
-
- 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
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/227—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of hydrocarbons, or reaction products thereof, e.g. afterhalogenated or sulfochlorinated
-
- 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
- D06M15/53—Polyethers
-
- 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
- D06M2200/20—Treatment influencing the crease behaviour, the wrinkle resistance, the crease recovery or the ironing ease
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Fiber Materials (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention relates to an anti-crease finishing composition and a finishing process for cotton shirts, wherein the polyurethane anti-crease finishing composition comprises, by weight, 80-100 parts of polyurethane anti-crease resin, 30-60 parts of hydrophilic finishing agent, 20-40 parts of strong protective agent, 10-15 parts of catalyst and 2-4 parts of penetrating agent. The anti-wrinkle after-finishing process comprises alkali washing, stacking, dispensing, preparing, medicine soaking, squeezing, constant-humidity drying, shaping pressing, baking and shaping, slow cooling and rewetting and cleaning.
Description
Technical Field
The invention relates to the technical field of garment processing, in particular to a crease-resistant finishing composition and a finishing process for cotton shirts by using the crease-resistant finishing composition.
Background
Cotton fibers have very high moisture absorption and swelling properties. Cotton textiles, such as ready-to-wear, women's ready-to-wear, pants or bed fabrics, have a very high comfort; however, compared with synthetic fiber textile, cotton textile has the disadvantages of easy wrinkling and severe shrinkage due to swelling under wet treatment conditions, and cannot meet the requirements of people on the smoothness of clothes in various occasions.
The requirement for keeping the clothes smooth is that the clothes have wrinkle resistance in the wearing process, and can keep good smooth state or gather and stable form without ironing after washing, namely the wrinkle resistance function of the clothes. At present, domestic anti-wrinkle technologies mainly comprise liquid ammonia finishing, resin treatment and the like. However, due to the danger of the liquid ammonia, the enterprise generally does not adopt the technology any more. In the resin crease-resistant treatment, because the common finishing agent can generate chemical reaction on the surface of the fabric, a small amount of formaldehyde can be released when the fabric is worn, and the pursuit of modern people on health and environmental protection cannot be met.
Disclosure of Invention
The invention aims to overcome the defects and provide a production method of a polyurethane crease-resistant cotton shirt so as to produce a cotton ready-made clothing product with good crease resistance and high comfort.
The invention comprises the following contents:
an anti-wrinkle finishing composition characterized by: the crease-resistant finishing composition comprises, by weight, 80-100 parts of polyurethane crease-resistant resin, 30-60 parts of hydrophilic finishing agent, 20-40 parts of strong protective agent, 10-15 parts of catalyst and 2-4 parts of penetrating agent.
Preferably, the polyurethane crease-resistant resin is dimethylol dihydroxy ethylene urea resin.
Preferably, the hydrophilic finishing agent is quaternary ammonium silicone oil.
Preferably, the strong protective agent is a polyethylene strong protective agent.
Preferably, the catalyst is magnesium chloride.
Preferably, the penetrating agent is fatty alcohol-polyoxyethylene ether.
The crease-resistant finishing method of the crease-resistant finishing composition comprises the following steps:
s1, alkaline washing: soaking the sewn cotton ready-made clothes in a NaOH aqueous solution with the mass fraction of 15% for 5-10 minutes, fishing out, washing with clear water for a plurality of times, and spin-drying, thereby achieving the effects of removing stains stained in the sewing process and changing the molecular structure of cotton fibers;
s2, stacking: flatly laying and stacking the cotton ready-made clothes piece by piece in the step S1, and then placing the cotton ready-made clothes on a special auxiliary medicine soaking tool;
s3, dispensing: the polyurethane crease-resistant finishing composition comprises, by weight, 80-100 parts of polyurethane crease-resistant resin, 30-60 parts of hydrophilic finishing agent, 20-40 parts of strong protective agent, 10-15 parts of catalyst and 2-4 parts of penetrating agent. (ii) a
S4, preparation: injecting the polyurethane crease-resistant finishing composition in the step S3 into a medicine soaking pool, and then soaking the auxiliary medicine soaking tool in the step S2 and the cotton garment in the step S2 into the medicine soaking pool;
s5, soaking the medicine: starting a control system of the auxiliary medicine soaking tool, and controlling the auxiliary medicine soaking tool through the control system, so that the auxiliary medicine soaking tool repeatedly extrudes the cotton ready-made clothes stacked in the auxiliary medicine soaking tool at the frequency of 2-3 times per minute, and the cotton ready-made clothes are maintained in an extruded and loosened state for 3-5 minutes of medicine soaking time;
s6, squeezing: the cotton ready-made clothes and the auxiliary medicine soaking tool which are fully soaked with the polyurethane crease-resistant finishing composition are lifted out of the medicine soaking pool and suspended above the medicine soaking pool, a control system of the auxiliary medicine soaking tool is started again, and the cotton ready-made clothes stacked in the auxiliary medicine soaking tool are extruded, so that the liquid carrying rate of the cotton ready-made clothes is reduced to 40% -50%;
s7, pre-drying and moisture fixing: conveying the cotton ready-made clothes stacked in the auxiliary medicine soaking tool into an oven through a conveying device, and performing heating treatment at 90 ℃ to control the liquid carrying rate of the cotton ready-made clothes to be reduced to 15% -20%;
s8, shaping and pressing: flatly paving the cotton ready-made clothes processed in the step S7 into a pressing machine piece by piece, sizing and pressing by adopting the temperature of 170-180 ℃ and the pressure of 3kg/cm, wherein the pressing time is 8-10 seconds, so that the polyurethane crease-resistant finishing composition and the fabric fibers are subjected to partial cross-linking reaction;
s9, baking and shaping: hanging the cotton ready-made clothes processed in the step S8, and sending the cotton ready-made clothes into a baking forming machine for baking at the temperature of 160-170 ℃ for 2-3 minutes to enable the anti-crease finishing agent and the fabric fibers to realize cross-linking reaction and form;
s10, crease-resistant finishing post-treatment: and (4) placing the cotton ready-made clothes treated in the step (S9) into a constant temperature and humidity chamber for slow cooling and moisture regain for 4 hours, then placing the cotton ready-made clothes into clear water with the water temperature of 30 ℃ for cleaning for a plurality of times, removing the unreacted polyurethane crease-resistant finishing composition, and dehydrating and drying the composition.
According to the invention, the control system of the auxiliary medicine soaking tool in the step 5 of the crease-resistant finishing process of the ready-made clothes controls the extrusion frequency of the auxiliary medicine soaking tool, so that the liquid absorption rate of the cotton ready-made clothes stacked in the auxiliary medicine soaking tool is accelerated, the soaking balance of the cotton ready-made clothes is rapidly realized, and the medicine soaking time of the ready-made clothes is shortened. And 6, after the cotton ready-made clothes are separated from the medicine soaking pool, the control system of the auxiliary medicine soaking tool is started again, so that the squeezing speed of the cotton ready-made clothes can be quickly realized, and the repeated utilization of the polyurethane crease-resistant finishing composition can be more conveniently realized.
The step 7 of the crease-resistant finishing process for the ready-made clothes adopts 90 ℃ baking treatment, so that the reaction rate of the polyurethane crease-resistant finishing composition and the cotton ready-made clothes can be further accelerated, the constant-humidity drying of the cotton ready-made clothes is realized, and the liquid carrying rate of the cotton ready-made clothes can be reduced to 15-20%. After the garment is subjected to high-temperature shaping and pressing treatment in the crease-resistant after-finishing process step 8, the polyurethane crease-resistant finishing composition and fabric fibers are subjected to partial cross-linking reaction, and the primary shaping of the garment is realized. And (3) hanging the cotton ready-made clothes treated in the step (8), baking and shaping the ready-made clothes in the step (9) of crease-resistant after-finishing process, and further enabling the crease-resistant finishing agent and fabric fibers to completely generate cross-linking reaction so as to improve the crease-resistant durability of the cotton ready-made clothes.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention provides a polyurethane crease-resistant finishing composition, and a cotton garment treated by the polyurethane crease-resistant finishing composition can overcome the defect that a cotton fabric is hard in hand feeling after being subjected to conventional crease-resistant finishing, has crease resistance and is suitable for being worn on various occasions;
(2) the invention provides a crease-resistant finishing method of a polyurethane crease-resistant finishing composition, which can improve the production efficiency of production plants and equipment and is suitable for batch production.
Detailed Description
The present invention will be further described with reference to the following examples.
Example 1:
the crease-resistant finishing method of the polyurethane crease-resistant finishing composition comprises the following steps:
s1, alkaline washing: soaking the sewn cotton ready-made clothes in a NaOH aqueous solution with the mass fraction of 15% for 5-10 minutes, fishing out, washing with clear water for a plurality of times, and spin-drying, thereby achieving the effects of removing stains stained in the sewing process and changing the molecular structure of cotton fibers;
s2, stacking: flatly laying and stacking the cotton ready-made clothes piece by piece in the step S1, and then placing the cotton ready-made clothes on a special auxiliary medicine soaking tool;
s3, dispensing: the required polyurethane crease-resistant finishing composition is prepared by 80 parts by weight of dimethylol dihydroxy ethylene urea resin, 30 parts by weight of quaternary ammonium silicone oil, 20 parts by weight of polyethylene strong protective agent, 10 parts by weight of magnesium chloride catalyst and 2 parts by weight of fatty alcohol-polyoxyethylene ether.
S4, preparation: injecting the polyurethane crease-resistant finishing composition in the step S3 into a medicine soaking pool, and then soaking the auxiliary medicine soaking tool in the step S2 and the cotton garment in the step S2 into the medicine soaking pool;
s5, soaking the medicine: starting a control system of the auxiliary medicine soaking tool, and controlling the auxiliary medicine soaking tool through the control system, so that the auxiliary medicine soaking tool repeatedly extrudes the cotton ready-made clothes stacked in the auxiliary medicine soaking tool at the frequency of 3 times per minute, the cotton ready-made clothes are in an extruded and loosened state, and the medicine soaking time is maintained for 5 minutes;
s6, squeezing: the cotton ready-made clothes and the auxiliary medicine soaking tool which are fully soaked with the polyurethane crease-resistant finishing composition are lifted out of the medicine soaking pool and are suspended above the medicine soaking pool, a control system of the auxiliary medicine soaking tool is started again, and the cotton ready-made clothes stacked in the auxiliary medicine soaking tool are extruded, so that the liquid carrying rate of the cotton ready-made clothes is reduced to 40%;
s7, pre-drying and moisture fixing: sending the cotton ready-made clothes stacked in the auxiliary medicine soaking tool into an oven through a conveying device, and performing heating treatment at 90 ℃ to control the liquid carrying rate of the cotton ready-made clothes to be reduced to 15%;
s8, shaping and pressing: flatly paving the cotton ready-made clothes processed in the step S7 into a pressing machine piece by piece, sizing and pressing by adopting the temperature of 170 ℃ and the pressure of 3kg/cm, wherein the pressing time is 10 seconds, so that the polyurethane crease-resistant finishing composition and the fabric fibers are subjected to partial cross-linking reaction;
s9, baking and shaping: hanging the cotton ready-made clothes processed in the step S8, and sending the cotton ready-made clothes into a baking forming machine for baking at 160 ℃ for 3 minutes to enable the anti-crease finishing agent and the fabric fibers to realize cross-linking reaction and form;
s10, crease-resistant finishing post-treatment: and (4) placing the cotton ready-made clothes treated in the step (S9) into a constant temperature and humidity chamber for slow cooling and moisture regain for 4 hours, then placing the cotton ready-made clothes into clear water with the water temperature of 30 ℃ for cleaning for a plurality of times, removing the unreacted polyurethane crease-resistant finishing composition, and dehydrating and drying the composition.
Example 2:
the crease-resistant finishing method of the polyurethane crease-resistant finishing composition comprises the following steps:
s1, alkaline washing: soaking the sewn cotton ready-made clothes in a NaOH aqueous solution with the mass fraction of 15% for 10 minutes, fishing out the clothes, washing the clothes with clear water for a plurality of times, and then spin-drying the clothes, and simultaneously achieving the effects of removing stains stained in the sewing process and changing the molecular structure of cotton fibers;
s2, stacking: flatly laying and stacking the cotton ready-made clothes piece by piece in the step S1, and then placing the cotton ready-made clothes on a special auxiliary medicine soaking tool;
s3, dispensing: the required polyurethane crease-resistant finishing composition is prepared by the following components, by weight, 100 parts of dimethylol dihydroxy ethylene urea resin, 60 parts of quaternary ammonium silicone oil, 40 parts of polyethylene strong protective agent, 15 parts of magnesium chloride catalyst and 4 parts of fatty alcohol-polyoxyethylene ether.
S4, preparation: injecting the polyurethane crease-resistant finishing composition in the step S3 into a medicine soaking pool, and then soaking the auxiliary medicine soaking tool in the step S2 and the cotton garment in the step S2 into the medicine soaking pool;
s5, soaking the medicine: starting a control system of the auxiliary medicine soaking tool, and controlling the auxiliary medicine soaking tool through the control system, so that the auxiliary medicine soaking tool repeatedly extrudes the cotton ready-made clothes stacked in the auxiliary medicine soaking tool at the frequency of 2 times per minute, the cotton ready-made clothes are in an extruded and loosened state, and the medicine soaking time is maintained for 3 minutes;
s6, squeezing: the cotton ready-made clothes and the auxiliary medicine soaking tool which are fully soaked with the polyurethane crease-resistant finishing composition are lifted out of the medicine soaking pool and are suspended above the medicine soaking pool, a control system of the auxiliary medicine soaking tool is started again, and the cotton ready-made clothes stacked in the auxiliary medicine soaking tool are extruded, so that the liquid carrying rate of the cotton ready-made clothes is reduced to 50%;
s7, pre-drying and moisture fixing: sending the cotton ready-made clothes stacked in the auxiliary medicine soaking tool into an oven through a conveying device, and performing heating treatment at 90 ℃ to control the liquid carrying rate of the cotton ready-made clothes to be reduced to 20%;
s8, shaping and pressing: flatly paving the cotton ready-made clothes processed in the step S7 into a pressing machine piece by piece, sizing and pressing by adopting the temperature of 180 ℃ and the pressure of 3kg/cm, wherein the pressing time is 8 seconds, so that the polyurethane crease-resistant finishing composition and the fabric fibers are subjected to partial cross-linking reaction;
s9, baking and shaping: hanging the cotton ready-made clothes processed in the step S8, and sending the cotton ready-made clothes into a baking forming machine for baking at the temperature of 170 ℃ for 2 minutes to enable the crease-resistant finishing agent and the fabric fibers to realize cross-linking reaction and form;
s10, crease-resistant finishing post-treatment: and (4) placing the cotton ready-made clothes treated in the step (S9) into a constant temperature and humidity chamber for slow cooling and moisture regain for 4 hours, then placing the cotton ready-made clothes into clear water with the water temperature of 30 ℃ for cleaning for a plurality of times, removing the unreacted polyurethane crease-resistant finishing composition, and dehydrating and drying the composition.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited thereto, and that various changes and modifications may be made without departing from the spirit of the invention, and the scope of the appended claims is to be accorded the full range of equivalents.
Claims (3)
1. An anti-wrinkle finishing composition characterized by: the crease-resistant finishing composition comprises, by weight, 80-100 parts of polyurethane crease-resistant resin, 30-60 parts of hydrophilic finishing agent, 20-40 parts of strong protective agent, 10-15 parts of catalyst and 2-4 parts of penetrating agent.
2. The anti-wrinkle finishing composition according to claim 1, wherein the polyurethane anti-wrinkle resin is dimethylol dihydroxy ethylene urea resin, the hydrophilic finishing agent is a quaternary ammonium silicone oil, the strength protecting agent is a polyethylene strength protecting agent, the catalyst is magnesium chloride, and the penetrating agent is fatty alcohol polyoxyethylene ether.
3. A finishing process for cotton shirts using the crease-resistant finishing composition according to claim 1 or 2, characterized in that: the after-finishing process comprises the following steps: alkali washing, stacking, dispensing, preparing, dipping, squeezing, pre-drying and setting humidity, setting and pressing, baking and setting, and crease-resistant finishing post-treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811213812.9A CN111074622A (en) | 2018-10-18 | 2018-10-18 | Crease-resistant finishing composition and finishing process for cotton shirts by using crease-resistant finishing composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811213812.9A CN111074622A (en) | 2018-10-18 | 2018-10-18 | Crease-resistant finishing composition and finishing process for cotton shirts by using crease-resistant finishing composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111074622A true CN111074622A (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811213812.9A Withdrawn CN111074622A (en) | 2018-10-18 | 2018-10-18 | Crease-resistant finishing composition and finishing process for cotton shirts by using crease-resistant finishing composition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111074622A (en) |
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2018
- 2018-10-18 CN CN201811213812.9A patent/CN111074622A/en not_active Withdrawn
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Application publication date: 20200428 |
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| WW01 | Invention patent application withdrawn after publication |