CN113026343A - Finishing process of PU functional material - Google Patents
Finishing process of PU functional material Download PDFInfo
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- CN113026343A CN113026343A CN202110314897.5A CN202110314897A CN113026343A CN 113026343 A CN113026343 A CN 113026343A CN 202110314897 A CN202110314897 A CN 202110314897A CN 113026343 A CN113026343 A CN 113026343A
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- 239000000463 material Substances 0.000 title claims abstract description 205
- 238000007730 finishing process Methods 0.000 title claims abstract description 24
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 51
- 239000011248 coating agent Substances 0.000 claims abstract description 22
- 238000000576 coating method Methods 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000002791 soaking Methods 0.000 claims abstract description 13
- 239000013538 functional additive Substances 0.000 claims abstract description 11
- 238000004806 packaging method and process Methods 0.000 claims abstract description 10
- 238000004140 cleaning Methods 0.000 claims abstract description 9
- 239000000428 dust Substances 0.000 claims abstract description 9
- 239000002344 surface layer Substances 0.000 claims abstract description 9
- 238000009736 wetting Methods 0.000 claims abstract description 9
- 238000003860 storage Methods 0.000 claims abstract description 8
- 230000004048 modification Effects 0.000 claims abstract description 7
- 238000012986 modification Methods 0.000 claims abstract description 7
- 238000009825 accumulation Methods 0.000 claims abstract description 5
- 238000005070 sampling Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 230000002745 absorbent Effects 0.000 claims description 12
- 239000002250 absorbent Substances 0.000 claims description 12
- 239000002216 antistatic agent Substances 0.000 claims description 12
- 239000000654 additive Substances 0.000 claims description 8
- 238000009990 desizing Methods 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 8
- 238000009958 sewing Methods 0.000 claims description 8
- 238000009999 singeing Methods 0.000 claims description 8
- 238000003892 spreading Methods 0.000 claims description 8
- 230000007480 spreading Effects 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 4
- 230000003631 expected effect Effects 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 239000011253 protective coating Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 230000001680 brushing effect Effects 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims 1
- 238000003756 stirring Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 230000004224 protection Effects 0.000 abstract description 5
- 239000002519 antifouling agent Substances 0.000 abstract 1
- 239000004814 polyurethane Substances 0.000 description 88
- 229920002635 polyurethane Polymers 0.000 description 87
- 239000000203 mixture Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003225 polyurethane elastomer Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 229920002334 Spandex Polymers 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920006306 polyurethane fiber Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000004759 spandex Substances 0.000 description 1
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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
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
-
- 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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
-
- 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
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/38—Polyurethanes
-
- 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
- D06M2200/10—Repellency against liquids
- D06M2200/12—Hydrophobic properties
-
- 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
- D06M2200/25—Resistance to light or sun, i.e. protection of the textile itself as well as UV shielding materials or treatment compositions therefor; Anti-yellowing treatments
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The application discloses PU functional material finishing process, PU functional material finishing process includes the following step: selecting a base material; pre-wetting the base material, and cleaning the base material to reduce dust accumulation on the base material; preparing an auxiliary agent, and selectively adding different functional auxiliary agents according to the modification requirement of the PU base material; detecting the auxiliary agent, namely sampling and detecting the auxiliary agent; base material finishing, namely treating the PU base material through multiple procedures, soaking the PU base material in the functional auxiliary agent, and then performing tentering setting twice; subsequent treatment, namely coating protective paint on the surface layer of the finished base material; packaging and storing, namely packaging and sealing the processed PU functional material, and placing the PU functional material in a dry and ventilated place for storage; the PU base material has ultraviolet-proof and antistatic effects after being soaked by various functional additives, and the tentering setting of the two sides improves the finishing effect of the PU functional material; the surface of the PU functional material is provided with the waterproof coating, so that waterproof protection can be performed, the damage to the material is reduced, and the placement and storage of the material are facilitated.
Description
Technical Field
The application relates to a finishing process, in particular to a finishing process of a PU functional material.
Background
Polyurethane (PU), the full name of which is polyurethane, is a high molecular compound. This product was produced in 1937 by Otto Bayer et al. Polyurethanes fall into the two main categories of polyester and polyether. They can be made into polyurethane plastics (mainly foamed plastics), polyurethane fiber (Chinese called spandex), polyurethane rubber and elastomer.
PU base material is not through cleaning before carrying out the arrangement, and the surface is remained easily has impurity, influences the quality after the PU material processing, and PU base material does not pass through the processing of functional auxiliary agent, does not possess effects such as ultraviolet protection and antistatic, and the functionality is limited, and PU material surface lacks protective structure after the arrangement, is unfavorable for the waterproof protection and the storage of material to be placed, limits its application range. Therefore, a PU functional material finishing process is provided for the problems.
Disclosure of Invention
A PU functional material finishing process comprises the following steps:
(1) selecting base materials, selecting PU base materials to be processed before finishing, placing the PU base materials in groups according to the number of one-time processing, dividing placement areas, and facilitating the sequential processing of the PU base materials in different areas;
(2) pre-wetting the base material, namely pre-wetting the surface of the base material by adopting clear water, keeping the surface of the base material wet, cleaning the base material and reducing dust accumulation on the base material;
(3) preparing an auxiliary agent, namely selectively adding different functional auxiliary agents according to the modification requirement of the PU base material to prepare auxiliary agents with different concentrations and types;
(4) detecting the auxiliary agent, namely sampling the auxiliary agent, detecting the concentration of various substances in the auxiliary agent, and blending the concentration ratio of the auxiliary agent to ensure that the auxiliary agent can achieve the expected effect;
(5) base material finishing, namely soaking the PU base material in a functional auxiliary agent after the PU base material is subjected to the working procedures of cloth spreading and sewing → singeing → desizing → mercerizing and the like, and then performing tentering and shaping twice to realize various working procedures of finishing the base material;
(6) subsequent treatment, namely coating protective coating on the surface layer of the finished base material, and accelerating the drying of the coating on the surface layer by using high temperature, so that the functionality of the PU material is further improved, and the application range of the PU material is expanded;
(7) and (4) packaging and storing, namely cutting the processed PU functional material into different sizes and shapes, so that the packaging and sealing of the material are facilitated, and the PU functional material is placed in a dry and ventilated place for storage.
Further, when the PU base material is selected in the step (1), the worn and aged part with poor elasticity in the surface of the PU base material is removed, and the quality of the PU base material is improved.
Further, carry out the water spray clearance to the PU base material in step (2), rivers flow down along PU base material surface, and then clear up the debris through PU base material surface, avoid handling back dust and impurity adhesion inside the base material.
Further, the cleaned PU base material is dried by a fan in the step (2), so that residual moisture on the surface is reduced, and the quality of the auxiliary agent is prevented from being influenced during soaking.
Further, in the step (3), the antistatic agent and the ultraviolet absorbent are mixed according to the ratio of 3:1 to prepare the functional auxiliary agent, wherein the concentration range of the ultraviolet absorbent is 0.1-1%, and the concentration range of the antistatic agent is 0.3-3.0%.
Further, quantitative functional additives with different depths are taken out in the step (4), the concentrations of the antistatic agent and the ultraviolet absorbent in the functional additives are respectively detected by using a precise detection instrument, if the concentrations are insufficient or different in depth, the additives are gradually added, and the mixture is fully stirred until the concentration of the additives reaches a preset range.
Further, in the step (5), the PU base material is sequentially subjected to liquid ammonia and PH washing processing after cloth spreading and sewing → singeing → desizing → mercerizing.
Further, in the step (5), the PU base material washed by PH water is placed in the functional auxiliary agent for soaking for 3-5 hours, and the base material is turned over at intervals of 1 hour to ensure that the base material is fully soaked.
Further, the step (5) is to perform tentering treatment on the soaked base material, then perform super-softening treatment on the processed base material, then perform tentering setting again, and finally perform pre-shrinking treatment on the base material to finish the finishing of the base material.
Further, in the step (6), the surface of the PU functional material which is finished and dried is brushed by using the brush blocks on the brush barrel, the area with a small coverage area is brushed for multiple times, the full coverage of the surface of the PU functional material is realized, the thickness range of the waterproof coating after brushing is 0.5-1mm, and the drying of the high-temperature accelerated coating with the temperature of 75 ℃ is adopted, so that the overall processing time of the PU functional material is shortened.
The beneficial effect of this application is: the application provides a finishing process of a PU functional material with a waterproof coating.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a flow chart of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
The first embodiment is as follows:
a PU functional material finishing process comprises the following steps:
(1) selecting base materials, selecting PU base materials to be processed before finishing, placing the PU base materials in groups according to the number of one-time processing, dividing placement areas, and facilitating the sequential processing of the PU base materials in different areas;
(2) pre-wetting the base material, namely pre-wetting the surface of the base material by adopting clear water, keeping the surface of the base material wet, cleaning the base material and reducing dust accumulation on the base material;
(3) preparing an auxiliary agent, namely selectively adding different functional auxiliary agents according to the modification requirement of the PU base material to prepare auxiliary agents with different concentrations and types;
(4) detecting the auxiliary agent, namely sampling the auxiliary agent, detecting the concentration of various substances in the auxiliary agent, and blending the concentration ratio of the auxiliary agent to ensure that the auxiliary agent can achieve the expected effect;
(5) base material finishing, namely soaking the PU base material in a functional auxiliary agent after the PU base material is subjected to the working procedures of cloth spreading and sewing → singeing → desizing → mercerizing and the like, and then performing tentering and shaping twice to realize various working procedures of finishing the base material;
(6) subsequent treatment, namely coating protective coating on the surface layer of the finished base material, and accelerating the drying of the coating on the surface layer by using high temperature, so that the functionality of the PU material is further improved, and the application range of the PU material is expanded;
(7) and (4) packaging and storing, namely cutting the processed PU functional material into different sizes and shapes, so that the packaging and sealing of the material are facilitated, and the PU functional material is placed in a dry and ventilated place for storage.
Further, when the PU base material is selected in the step (1), the worn and aged part with poor elasticity in the surface of the PU base material is removed, and the quality of the PU base material is improved.
Further, carry out the water spray clearance to the PU base material in step (2), rivers flow down along PU base material surface, and then clear up the debris through PU base material surface, avoid handling back dust and impurity adhesion inside the base material.
Further, the cleaned PU base material is dried by a fan in the step (2), so that residual moisture on the surface is reduced, and the quality of the auxiliary agent is prevented from being influenced during soaking.
Further, in the step (3), the antistatic agent and the ultraviolet absorbent are mixed according to the ratio of 3:1 to prepare the functional aid, wherein the concentration of the ultraviolet absorbent is 0.5%, and the concentration of the antistatic agent is 1.5%.
Further, quantitative functional additives with different depths are taken out in the step (4), the concentrations of the antistatic agent and the ultraviolet absorbent in the functional additives are respectively detected by using a precise detection instrument, if the concentrations are insufficient or different in depth, the additives are gradually added, and the mixture is fully stirred until the concentration of the additives reaches a preset range.
Further, in the step (5), the PU base material is sequentially subjected to liquid ammonia and PH washing processing after cloth spreading and sewing → singeing → desizing → mercerizing.
Further, in the step (5), the PU base material washed by PH water is placed in the functional auxiliary agent for soaking for 3-5 hours, and the base material is turned over at intervals of 1 hour to ensure that the base material is fully soaked.
Further, the step (5) is to perform tentering treatment on the soaked base material, then perform super-softening treatment on the processed base material, then perform tentering setting again, and finally perform pre-shrinking treatment on the base material to finish the finishing of the base material.
Further, in the step (6), the surface of the PU functional material which is finished and dried is brushed by using the brush blocks on the brush barrel, the area with a small coverage area is brushed for multiple times, the full coverage of the surface of the PU functional material is realized, the thickness of the waterproof coating which is brushed is 0.5mm, and the drying of the high-temperature accelerated coating with the temperature of 75 ℃ is adopted, so that the overall processing time of the PU functional material is shortened.
The method is suitable for the finishing process of the PU functional material coated with the thin waterproof coating.
Example two:
a PU functional material finishing process comprises the following steps:
(1) selecting base materials, selecting PU base materials to be processed before finishing, placing the PU base materials in groups according to the number of one-time processing, dividing placement areas, and facilitating the sequential processing of the PU base materials in different areas;
(2) pre-wetting the base material, namely pre-wetting the surface of the base material by adopting clear water, keeping the surface of the base material wet, cleaning the base material and reducing dust accumulation on the base material;
(3) preparing an auxiliary agent, namely selectively adding different functional auxiliary agents according to the modification requirement of the PU base material to prepare auxiliary agents with different concentrations and types;
(4) detecting the auxiliary agent, namely sampling the auxiliary agent, detecting the concentration of various substances in the auxiliary agent, and blending the concentration ratio of the auxiliary agent to ensure that the auxiliary agent can achieve the expected effect;
(5) base material finishing, namely soaking the PU base material in a functional auxiliary agent after the PU base material is subjected to the working procedures of cloth spreading and sewing → singeing → desizing → mercerizing and the like, and then performing tentering and shaping twice to realize various working procedures of finishing the base material;
(6) subsequent treatment, namely coating protective coating on the surface layer of the finished base material, and accelerating the drying of the coating on the surface layer by using high temperature, so that the functionality of the PU material is further improved, and the application range of the PU material is expanded;
(7) and (4) packaging and storing, namely cutting the processed PU functional material into different sizes and shapes, so that the packaging and sealing of the material are facilitated, and the PU functional material is placed in a dry and ventilated place for storage.
Further, when the PU base material is selected in the step (1), the worn and aged part with poor elasticity in the surface of the PU base material is removed, and the quality of the PU base material is improved.
Further, carry out the water spray clearance to the PU base material in step (2), rivers flow down along PU base material surface, and then clear up the debris through PU base material surface, avoid handling back dust and impurity adhesion inside the base material.
Further, the cleaned PU base material is dried by a fan in the step (2), so that residual moisture on the surface is reduced, and the quality of the auxiliary agent is prevented from being influenced during soaking.
Further, in the step (3), the antistatic agent and the ultraviolet absorbent are mixed according to the ratio of 3:1 to prepare the functional aid, wherein the concentration range of the ultraviolet absorbent is 0.8%, and the concentration range of the antistatic agent is 2.4%.
Further, quantitative functional additives with different depths are taken out in the step (4), the concentrations of the antistatic agent and the ultraviolet absorbent in the functional additives are respectively detected by using a precise detection instrument, if the concentrations are insufficient or different in depth, the additives are gradually added, and the mixture is fully stirred until the concentration of the additives reaches a preset range.
Further, in the step (5), the PU base material is sequentially subjected to liquid ammonia and PH washing processing after cloth spreading and sewing → singeing → desizing → mercerizing.
Further, in the step (5), the PU base material washed by PH water is placed in the functional auxiliary agent for soaking for 3-5 hours, and the base material is turned over at intervals of 1 hour to ensure that the base material is fully soaked.
Further, the step (5) is to perform tentering treatment on the soaked base material, then perform super-softening treatment on the processed base material, then perform tentering setting again, and finally perform pre-shrinking treatment on the base material to finish the finishing of the base material.
Further, in the step (6), the surface of the PU functional material which is finished and dried is brushed by using the brush blocks on the brush barrel, the area with a small coverage area is brushed for multiple times, the full coverage of the surface of the PU functional material is realized, the thickness of the waterproof coating which is brushed is 1mm, and the drying of the high-temperature accelerated coating with the temperature of 75 ℃ is adopted, so that the overall processing time of the PU functional material is shortened.
The method is suitable for the finishing process of the PU functional material coated with the thicker waterproof coating.
The application has the advantages that:
cleaning and pretreating the PU base stock to improve the processing quality of the PU base stock; the PU base material has ultraviolet-proof and antistatic effects after being soaked by various functional additives, and the tentering setting of the two sides improves the finishing effect of the PU functional material; the surface of the PU functional material is provided with the waterproof coating, so that waterproof protection can be performed, the damage to the material is reduced, and the placement and storage of the material are facilitated.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A PU functional material finishing process is characterized in that: the PU functional material finishing process comprises the following steps:
(1) selecting base materials, selecting PU base materials to be processed before finishing, placing the PU base materials in groups according to the number of one-time processing, dividing placement areas, and facilitating the sequential processing of the PU base materials in different areas;
(2) pre-wetting the base material, namely pre-wetting the surface of the base material by adopting clear water, keeping the surface of the base material wet, cleaning the base material and reducing dust accumulation on the base material;
(3) preparing an auxiliary agent, namely selectively adding different functional auxiliary agents according to the modification requirement of the PU base material to prepare auxiliary agents with different concentrations and types;
(4) detecting the auxiliary agent, namely sampling the auxiliary agent, detecting the concentration of various substances in the auxiliary agent, and blending the concentration ratio of the auxiliary agent to ensure that the auxiliary agent can achieve the expected effect;
(5) base material finishing, namely soaking the PU base material in a functional auxiliary agent after the PU base material is subjected to the working procedures of cloth spreading and sewing → singeing → desizing → mercerizing and the like, and then performing tentering and shaping twice to realize various working procedures of finishing the base material;
(6) subsequent treatment, namely coating protective coating on the surface layer of the finished base material, and accelerating the drying of the coating on the surface layer by using high temperature, so that the functionality of the PU material is further improved, and the application range of the PU material is expanded;
(7) and (4) packaging and storing, namely cutting the processed PU functional material into different sizes and shapes, so that the packaging and sealing of the material are facilitated, and the PU functional material is placed in a dry and ventilated place for storage.
2. The PU functional material finishing process according to claim 1, wherein: when the PU base material is selected in the step (1), the worn and aged part with poor elasticity on the surface of the PU base material is removed, and the quality of the PU base material is improved.
3. The PU functional material finishing process according to claim 1, wherein: and (3) cleaning the PU base material by spraying water in the step (2), wherein water flows down along the outer surface of the PU base material, and then cleaning impurities on the surface of the PU base material, and avoiding the adhesion of dust and impurities inside the base material after treatment.
4. The PU functional material finishing process according to claim 1, wherein: and (3) in the step (2), the cleaned PU base material is air-dried by a fan, so that residual moisture on the surface is reduced, and the influence on the quality of the auxiliary agent during soaking is avoided.
5. The PU functional material finishing process according to claim 1, wherein: in the step (3), the antistatic agent and the ultraviolet absorbent are mixed according to the ratio of 3:1 to prepare the functional additive, wherein the concentration range of the ultraviolet absorbent is 0.1-1%, and the concentration range of the antistatic agent is 0.3-3.0%.
6. The PU functional material finishing process according to claim 1, wherein: and (4) taking out quantitative functional additives with different depths, respectively detecting the concentrations of the antistatic agent and the ultraviolet absorbent in the functional additives by using a precise detection instrument, adding the additives in a gradual manner if the concentrations are insufficient or different in depth, and fully stirring until the concentrations of the additives reach a preset range.
7. The PU functional material finishing process according to claim 1, wherein: and (5) sequentially performing liquid ammonia and PH washing processing on the PU base material after cloth spreading and sewing → singeing → desizing → mercerizing.
8. The PU functional material finishing process according to claim 1, wherein: and (3) in the step (5), the PU base material washed by PH water is placed in the functional auxiliary agent for soaking for 3-5 hours, and the base material is turned over at intervals of 1 hour to ensure that the base material is fully soaked.
9. The PU functional material finishing process according to claim 1, wherein: and (5) tentering the soaked base material, performing super-softening treatment on the processed base material, tentering and shaping again, and finally performing pre-shrinking treatment on the base material to finish the finishing of the base material.
10. The PU functional material finishing process according to claim 1, wherein: and (3) in the step (6), the surface of the PU functional material which is finished and dried is brushed by using the brush blocks on the brush barrel, and the area with a small coverage area is brushed for multiple times, so that the full coverage of the surface of the PU functional material is realized, the thickness range of the waterproof coating after brushing is 0.5-1mm, and the drying of the coating is accelerated by adopting a high temperature of 75 ℃, so that the overall processing time of the PU functional material is shortened.
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| CN103147304A (en) * | 2013-03-13 | 2013-06-12 | 盛虹集团有限公司 | Process for producing high-density nylon fabric |
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| CN112458749A (en) * | 2020-10-28 | 2021-03-09 | 义乌市大丰花边有限公司 | Production process of anti-static knitted gloves |
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| CN103147304A (en) * | 2013-03-13 | 2013-06-12 | 盛虹集团有限公司 | Process for producing high-density nylon fabric |
| CN104562663A (en) * | 2014-12-26 | 2015-04-29 | 高俊丽 | Method for preparing anti-static fabric |
| CN111005208A (en) * | 2019-12-30 | 2020-04-14 | 无锡太平针织有限公司 | Method for manufacturing high-barrier fiber product |
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Application publication date: 20210625 |