CN113512887A - Multifunctional silica gel and production method and production device thereof - Google Patents
Multifunctional silica gel and production method and production device thereof Download PDFInfo
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- CN113512887A CN113512887A CN202110574598.5A CN202110574598A CN113512887A CN 113512887 A CN113512887 A CN 113512887A CN 202110574598 A CN202110574598 A CN 202110574598A CN 113512887 A CN113512887 A CN 113512887A
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- silica gel
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- multifunctional silica
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 239000000741 silica gel Substances 0.000 title claims abstract description 54
- 229910002027 silica gel Inorganic materials 0.000 title claims abstract description 54
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 32
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 58
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 58
- 239000010703 silicon Substances 0.000 claims abstract description 58
- 239000000758 substrate Substances 0.000 claims abstract description 39
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 239000003960 organic solvent Substances 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 239000013538 functional additive Substances 0.000 claims abstract 2
- 230000007246 mechanism Effects 0.000 claims description 131
- 238000001035 drying Methods 0.000 claims description 100
- 239000000463 material Substances 0.000 claims description 61
- 238000004804 winding Methods 0.000 claims description 27
- 230000032683 aging Effects 0.000 claims description 22
- 239000011248 coating agent Substances 0.000 claims description 16
- 238000000576 coating method Methods 0.000 claims description 15
- 239000002649 leather substitute Substances 0.000 claims description 13
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical group CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 12
- 239000000853 adhesive Substances 0.000 claims description 12
- 230000001070 adhesive effect Effects 0.000 claims description 12
- 239000003431 cross linking reagent Substances 0.000 claims description 12
- 239000000835 fiber Substances 0.000 claims description 12
- 239000012752 auxiliary agent Substances 0.000 claims description 9
- 239000007822 coupling agent Substances 0.000 claims description 9
- 239000004814 polyurethane Substances 0.000 claims description 8
- 239000000654 additive Substances 0.000 claims description 7
- 230000000996 additive effect Effects 0.000 claims description 7
- 238000007646 gravure printing Methods 0.000 claims description 6
- 239000004447 silicone coating Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- XXCIGBFAFCNEOZ-UHFFFAOYSA-N 3-[ethoxy(methyl)silyl]propyl 2-methylprop-2-enoate Chemical compound CCO[SiH](C)CCCOC(=O)C(C)=C XXCIGBFAFCNEOZ-UHFFFAOYSA-N 0.000 claims description 3
- XBDQKXXYIPTUBI-UHFFFAOYSA-N Propionic acid Chemical compound CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 3
- 239000012948 isocyanate Substances 0.000 claims description 3
- 150000002513 isocyanates Chemical class 0.000 claims description 3
- CYRCOEQNWVOXOR-UHFFFAOYSA-N 2-trimethoxysilylacetonitrile Chemical compound CO[Si](OC)(OC)CC#N CYRCOEQNWVOXOR-UHFFFAOYSA-N 0.000 claims description 2
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
- 239000002671 adjuvant Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000035699 permeability Effects 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract description 2
- 230000003647 oxidation Effects 0.000 abstract description 2
- 238000007254 oxidation reaction Methods 0.000 abstract description 2
- 230000002195 synergetic effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000010985 leather Substances 0.000 description 6
- 229920002379 silicone rubber Polymers 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 4
- 239000004800 polyvinyl chloride Substances 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 239000004945 silicone rubber Substances 0.000 description 3
- 239000012209 synthetic fiber Substances 0.000 description 3
- 229920002994 synthetic fiber Polymers 0.000 description 3
- 230000003373 anti-fouling effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 1
- CRLZGFHEIUUFBD-UHFFFAOYSA-N 2-[dimethoxy(methyl)silyl]oxyacetonitrile Chemical compound C(#N)CO[Si](OC)(OC)C CRLZGFHEIUUFBD-UHFFFAOYSA-N 0.000 description 1
- 239000004944 Liquid Silicone Rubber Substances 0.000 description 1
- 238000003854 Surface Print Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000002431 foraging effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 239000004753 textile 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
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
-
- 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
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/395—Isocyanates
-
- 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
- D06M13/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms
- D06M13/51—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond
- D06M13/513—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond with at least one carbon-silicon bond
-
- 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
- D06M13/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms
- D06M13/51—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond
- D06M13/513—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond with at least one carbon-silicon bond
- D06M13/5135—Unsaturated compounds containing silicon atoms
-
- 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
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0095—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by inversion technique; by transfer processes
- D06N3/0097—Release surface, e.g. separation sheets; Silicone papers
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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
- 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
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- 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
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- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/01—Stain or soil resistance
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- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/10—Repellency against liquids
- D06M2200/12—Hydrophobic properties
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- D06N2203/00—Macromolecular materials of the coating layers
- D06N2203/06—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06N2203/066—Silicon polymers
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- D06N2207/00—Treatments by energy or chemical effects
- D06N2207/10—Treatments by energy or chemical effects using flames
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- D06N2211/00—Specially adapted uses
- D06N2211/10—Clothing
- D06N2211/106—Footwear
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- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a multifunctional silica gel and a production method and a device thereof, wherein the silica gel comprises a substrate layer and an organic silicon layer attached to the surface of the substrate layer, and the organic silicon layer comprises 20-50% of liquid silicon, 1-15% of functional additives and the balance of organic solvent by mass percentage. The multifunctional silica gel takes liquid silicon as a raw material, and simultaneously has synergistic effect with other functional auxiliaries, so that the multifunctional silica gel has good thermal stability, air permeability and oxidation stability, and also has the effects of flame retardance, insulation, water resistance, pollution resistance, corrosion resistance and the like. The production method has high production efficiency and good controllability of product quality. The production device has small floor area and high automation degree, and can obviously agglomerate and produce at high speed and shorten the production period.
Description
Technical Field
The invention belongs to the technical field of printing, relates to a silica gel coating and a printing method thereof, and particularly relates to a multifunctional silica gel and a production method and a production device thereof.
Background
Synthetic leather is a term for leather (i.e., "genuine leather"), also called artificial leather and synthetic leather, and in the production process of conventional synthetic leather, polyurethane or polyvinyl chloride (PVC) is generally used as a coating agent, but such conventional synthetic leather has a problem of poor environmental protection and generates chemically harmful gases such as dioxin during incineration.
In order to solve the problems, the novel material can be combined with base materials such as superfine fibers and non-woven fabrics, is suitable for various industries, has the excellent characteristics of weather resistance, air permeability, flame retardance, stability, wear resistance and the like, is waterproof and corrosion-resistant, is non-toxic to human bodies, and is safe and environment-friendly.
At present, the production process of the organic silicon leather mainly comprises the steps of coating liquid silica gel on a release film to form a silicone rubber layer, then combining a substrate layer on the surface of the silicone rubber layer, drying in a drying chamber, pressing the liquid silica gel and the substrate layer to be bonded by a compression roller at the temperature of not less than 150 ℃, finally removing the release film layer, wherein the length of the drying chamber for drying needs to reach 50m for complete drying, the passing speed of the substrate layer combined with the liquid silica gel in the drying chamber is 2-5m/min, and because the drying process is slow, a special production structure is often required to be installed in the drying chamber, and because the release film is adhered to the surface of the silicone rubber layer, the production state can not be known before the release film is peeled. In addition, when the length of the traditional drying chamber reaches 50m, the internal temperature is about 180 ℃, and the passing speed is 2-5m/min, the base material needs to stay in the high-temperature drying chamber for 10-25min, and the thin or soft base material has poor heat resistance and is damaged by high temperature for a long time.
Disclosure of Invention
Therefore, the technical problems to be solved by the present invention are that the conventional drying chamber for processing silicone leather is prone to damage the substrate with small thickness or soft material, the production yield is not good, and the types of the processable materials are limited, so as to provide a multifunctional silica gel, a production apparatus and a production method thereof, which can improve the production yield and the production efficiency.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the invention provides a multifunctional silica gel, which comprises a base material layer and an organic silicon layer attached to the surface of the base material layer, wherein the organic silicon layer comprises 20-50% of liquid silicon, 1-15% of functional auxiliary agent and the balance of organic solvent in percentage by mass.
Preferably, the functional auxiliary agent comprises an adhesive, a coupling agent and an additive.
Preferably, the functional assistant comprises a cross-linking agent.
Preferably, the adhesive is at least one of cyano-methyl trimethoxy silane and methacryloxypropyl-methyl ethoxy silane; the additive is ceramic powder.
Preferably, the crosslinking agent is a polyurethane crosslinking agent or an isocyanate crosslinking agent; the organic solvent is methyl ethyl ketone or methyl acetic acid.
Preferably, the substrate layer is made of fibers or synthetic leather.
The second aspect of the present invention provides a method for producing the multifunctional silica gel, which comprises the following steps:
providing a substrate layer;
uniformly mixing the raw materials of the organic silicon layer according to the proportion, and coating the mixture on the surface of the base material layer;
sequentially drying the base material coated with the organic silicon layer for 4 times;
and carrying out aging treatment on the dried base material coated with the organic silicon layer.
Preferably, the temperature of the 4 times of drying treatment is 60-80 ℃, 90-100 ℃, 110-120 ℃ and not lower than 130 ℃ in sequence, and the moving speed of the base material in the 4 times of drying process is 14-16 m/min;
the organic silicon layer is coated on the surface of the base material layer in a gravure printing or spraying mode.
The invention provides a device for producing the multifunctional silica gel, which comprises an organic silicon coating mechanism, a drying mechanism, a winding mechanism and an aging mechanism which are sequentially arranged, wherein the drying mechanism is connected with a heat source, the drying mechanism comprises a first drying mechanism, a second drying mechanism, a third drying mechanism and a fourth drying mechanism which are sequentially connected, and the organic silicon coating mechanism is arranged on one side of the first drying mechanism.
Preferably, a cutting mechanism is arranged between the drying mechanism and the winding mechanism.
Preferably, the silicone coating mechanism is a gravure printing mechanism or a spray coating mechanism.
Preferably, the heat source is a burner, and the burner provides different heat for each drying mechanism through a pipeline.
Preferably, the aging mechanism comprises a host, one side of the host is connected with the winding mechanism, one side of the host, which is far away from the winding mechanism, is provided with an opening, a far infrared lamp is arranged in the host, and the host is connected with a rotating frame which is used for driving the host to rotate.
Preferably, the rotating frame comprises rotating frame assemblies symmetrically arranged on two sides of the main machine, each rotating frame assembly comprises an outer pipe and an inner pipe arranged inside the outer pipe, the inner pipe can move along the axial direction of the outer pipe, the outer pipe is connected with the main machine through a rotating shaft, and the inner pipe is connected with the winding mechanism.
Preferably, the bottom of the rotating frame is connected with a lifting driving mechanism; the outer tube is connected with a limiter, the limiter is connected with a limiter driving assembly, and the limiter driving assembly is used for driving the limiter to rotate relative to the outer tube.
Compared with the prior art, the technical scheme of the invention has the following advantages:
(1) the multifunctional silica gel comprises a base material layer and an organic silicon layer attached to the surface of the base material layer, wherein the organic silicon layer comprises 20-50% of liquid silicon, 1-15% of functional auxiliary agent and the balance of organic solvent in percentage by mass. The multifunctional silica gel takes liquid silicon as a raw material, and simultaneously has synergistic effect with other functional auxiliaries, so that the multifunctional silica gel has good thermal stability, air permeability and oxidation stability, and also has the effects of flame retardance, insulation, water resistance, pollution resistance, corrosion resistance and the like, and in addition, the multifunctional silica gel has the characteristics of high drying and aging efficiency and difficult damage. The organic silicon leather can be widely applied to the fields of textiles, fashionable dress, home furnishing, medical treatment and health care and the like, is particularly suitable for materials of shoes, and solves the technical problem that the traditional organic silicon leather cannot be applied to the shoes.
(2) According to the production method, the base material passing speed is high, 4 times of drying treatment and aging treatment are carried out after drying, the drying and aging efficiency is high, a release film material is not needed in the method, the problem of uncontrollable coating quality is solved, the hardness level of a final product is high, and the production is rapid.
(3) The production device provided by the invention has the advantages of small occupied area, high automation degree, high coating speed which can reach 15m/min, low viscosity of the adopted silica gel raw material, remarkable caking production speed and shortened production period, and meanwhile, the multifunctional silica gel produced by the device has higher quality.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the embodiments of the present disclosure taken in conjunction with the accompanying drawings, in which
FIG. 1 is a schematic view of an apparatus according to embodiment 8 of the present invention;
FIG. 2 is a schematic structural view of an apparatus according to example 8 of the present invention;
FIG. 3 is a schematic diagram of an aging mechanism and a material rolling mechanism in the apparatus according to embodiment 8 of the present invention;
FIG. 4 is an enlarged schematic view of portion A of FIG. 3;
FIG. 5 is a schematic view of an apparatus according to embodiment 9 of the present invention;
fig. 6 is a schematic structural diagram of the device according to embodiment 9 of the present invention.
Detailed Description
Example 1
The embodiment provides a multifunctional silica gel, which comprises a substrate layer and an organic silicon layer attached to the surface of the substrate layer, wherein the organic silicon layer is calculated by mass percentThe adhesive is prepared from 50% of liquid silicon, 49% of organic solvent and 1% of functional auxiliary agent, wherein the liquid silicon is liquid silicone rubber, the organic solvent is methyl ethyl ketone, the functional auxiliary agent comprises an adhesive and a coupling agent, the mass ratio of the adhesive to the coupling agent is 1:1, and the adhesive is cyanomethyl trimethoxy silane (CH)3Si(OCH3)C1) The coupling agent is a curing agent, and the base material layer is made of fibers or synthetic leather.
Example 2
The embodiment provides a multifunctional silica gel, which includes a substrate layer and an organic silicon layer attached to the surface of the substrate layer, wherein the organic silicon layer is prepared from 50% of liquid silicon, 48% of organic solvent and 1% of functional assistant by mass percentage, the liquid silicon is liquid silicon rubber, the organic solvent is methyl acetic acid, the functional assistant comprises an adhesive, a coupling agent and an additive, in this embodiment, the organic silicon layer is prepared from 50% of liquid silicon, 48% of organic solvent, 0.5% of adhesive, 0.5% of coupling agent and 1% of additive by mass percentage, the coupling agent is a conventional TE coupling agent, the additive is ceramic powder, and the adhesive is methacryloxypropyl methyl ethoxy silane (CH)2-C(CH3)COO(CH2)3Si(CH3)(OCH3)2) And the base material layer is made of fiber or synthetic leather.
In the components of the multifunctional silica gel, the adhesive is used for improving the hardness of the substrate layer, and the ceramic powder has a far infrared radiation function.
Example 3
The embodiment provides a multifunctional silica gel, the multifunctional silica gel includes the substrate layer and attaches in the organosilicon layer on substrate layer surface, by mass percent, the organosilicon layer is prepared by 23% liquid silicon, 15% functional auxiliary agent and 62% organic solvent, and in this embodiment, liquid silicon is liquid silicon rubber, and the functional auxiliary agent is the cross-linking agent, preferably polyurethane cross-linking agent in this embodiment, the organic solvent is methyl ethyl ketone, the substrate layer is fibre or synthetic leather material.
The multifunctional silica gel of the embodiment can improve the antifouling property and the waterproof property of the silica gel, and the polyurethane type cross-linking agent can improve the overall strength of the silica gel.
Example 4
The embodiment provides a multifunctional silica gel, the multifunctional silica gel comprises a substrate layer and an organic silicon layer attached to the surface of the substrate layer, and the organic silicon layer is prepared from 33% of liquid silicon, 13% of functional auxiliary agent and 54% of organic solvent by mass percent.
The multifunctional silica gel of the embodiment can improve the antifouling property and the waterproof property of the silica gel, and the isocyanate type cross-linking agent can improve the overall strength of the silica gel.
Example 5
This example provides a method for producing the multifunctional silica gel of examples 1-4 above, comprising the following steps:
s1, providing a substrate layer, wherein the substrate layer can be fiber (natural fiber or synthetic fiber) or synthetic leather (PU or PVC).
And S2, uniformly mixing the raw materials of the organic silicon in proportion, and coating the mixture on the surface of the base material layer in a gravure printing mode.
S3, drying the base material coated with the organic silicon layer at 60 ℃, 90 ℃, 110 ℃ and 130 ℃ in sequence, drawing the base material to pass through 4 drying mechanisms in sequence, setting the temperature in the 4 drying mechanisms at 60 ℃, 90 ℃, 110 ℃ and 130 ℃ in sequence, setting the moving speed of the base material in the 4 drying mechanisms at 14m/min, setting the length of each drying mechanism at 380-450cm, and under the parameters, the stay time of the base material in each drying mechanism is only about 16S, the complete drying time is only about one minute, and under the operating speed, the damage degree of the base material caused by heating in the drying process can be minimized, so that the base material can be used for treating materials with poor heat-bearing property and small thickness.
And S4, carrying out aging treatment on the dried base material coated with the organic silicon layer, inputting the base material into an aging drying chamber, and achieving the effect of complete hardening under the assistance of an infrared lamp.
Example 6
This example provides a method for producing the multifunctional silica gel of examples 1-4 above, comprising the following steps:
s1, providing a substrate layer, wherein the substrate layer can be fiber (natural fiber or synthetic fiber) or synthetic leather (PU or PVC).
And S2, uniformly mixing the raw materials of the organic silicon in proportion, and coating the mixture on the surface of the base material layer in a spraying mode.
S3, drying the base material coated with the organic silicon layer at 80 ℃, 100 ℃, 120 ℃ and 150 ℃ in sequence, drawing the base material to pass through 4 drying mechanisms in sequence, setting the temperature in the 4 drying mechanisms at 80 ℃, 100 ℃, 120 ℃ and 150 ℃ in sequence, setting the moving speed of the base material in the 4 drying mechanisms at 16m/min, and setting the length of each drying mechanism at 380-.
And S4, carrying out aging treatment on the dried base material coated with the organic silicon layer, inputting the base material into an aging drying chamber, and achieving the effect of complete hardening under the assistance of an infrared lamp.
Example 7
This example provides a method for producing the multifunctional silica gel of examples 1-4 above, comprising the following steps:
s1, providing a substrate layer, wherein the substrate layer can be fiber (natural fiber or synthetic fiber) or synthetic leather (PU or PVC).
And S2, uniformly mixing the raw materials of the organic silicon in proportion, and coating the mixture on the surface of the base material layer in a spraying mode.
S3, drying the base material coated with the organic silicon layer at 70 ℃, 105 ℃, 115 ℃ and 140 ℃ in sequence, drawing the base material to pass through 4 drying mechanisms in sequence, setting the temperature in the 4 drying mechanisms at 70 ℃, 105 ℃, 115 ℃ and 140 ℃ in sequence, setting the moving speed of the base material in the 4 drying mechanisms at 15m/min, and setting the length of each drying mechanism at 380-450 cm.
And S4, carrying out aging treatment on the dried base material coated with the organic silicon layer, inputting the base material into an aging drying chamber, and achieving the effect of complete hardening under the assistance of an infrared lamp.
Example 8
This example provides an apparatus for producing the multifunctional silica gel described in examples 1-4 and for the production method described in examples 5-7.
Referring to fig. 1-4, the device includes an organic silicon coating mechanism 1, a drying mechanism 2, a winding mechanism 3 and an aging mechanism 4, which are sequentially arranged, wherein a substrate layer 5 is coated with an organic silicon layer on the surface through the organic silicon coating mechanism 1, the substrate coated with the organic silicon layer is dried by the drying mechanism 2 and then rolled into a coil on the winding mechanism 3, and finally the coil is input into the aging mechanism 4 for aging treatment, so as to achieve the effect of hardening the organic silicon.
Specifically, as shown in fig. 2, the drying mechanism 2 includes a first drying mechanism 201, a second drying mechanism 202, a third drying mechanism 203 and a fourth drying mechanism 204, which are connected in sequence, the organic silicon coating mechanism 1 is disposed on one side of the first drying mechanism 201, the substrate layer coated with the organic silicon passes through the first drying mechanism 201, the second drying mechanism 202, the third drying mechanism 203 and the fourth drying mechanism 204 in sequence under the action of the traction mechanism, and the drying temperatures in the 4 drying mechanisms are different, and are 60-80 ℃, 90-100 ℃, 110-120 ℃ and not lower than 130 ℃ in sequence. In order to provide the heating temperature in the drying mechanism 2, the drying mechanism 2 is further connected with a heat source 6, in this embodiment, the heat source 6 is a burner, and the first drying mechanism 201, the second drying mechanism 202, the third drying mechanism 203, and the fourth drying mechanism 204 are all drying ovens, and the burner inputs heat into the 4 drying mechanisms through pipelines, in this embodiment, preferably, the sizes of the ports of the pipelines communicated with each drying mechanism are different: the port opening ratio of the duct connected to the first drying mechanism 201 is 25%, the port opening ratio of the duct connected to the second drying mechanism 202 is 50%, the port opening ratio of the duct connected to the third drying mechanism 203 is 75%, and the port opening ratio of the duct connected to the fourth drying mechanism 204 is 100%, thereby realizing temperature control in 4 drying mechanisms.
Further, the second drying mechanism 202 is a dust-free drying mechanism, and the substrate layer coated with the silicone is subjected to dust-free drying treatment in the second drying mechanism 202.
In this embodiment, the organosilicon coating mechanism 1 is a gravure printing mechanism, the gravure printing mechanism includes an upper press roll 101 and a lower press roll 102 which are oppositely arranged, a material storage tank 103 is arranged at the bottom of the lower press roll 102, the material storage tank 103 is used for storing organosilicon raw materials, the lower press roll 102 is partially immersed in the organosilicon raw materials, the substrate layer 5 passes through a gap between the upper press roll 101 and the lower press roll 102, the organosilicon raw materials are coated on the surface of the substrate layer 5 by the rotation of the lower press roll 102, and the organosilicon raw materials are printed on the surface of the substrate layer 5 by pressing the top of the substrate through the upper press roll 101. Wherein, lower roll 102 is the rubber roller, goes up compression roller 101 and is the metal roller, and the protruding pattern that is equipped with in surface to at the organosilicon of different patterns of substrate layer surface printing, if the substrate is the permeable material, some organosilicon raw materials can permeate into the tissue of substrate.
In this embodiment, the winding mechanism 3 includes a winding roller 301, the winding roller 301 is installed on a support frame 302, the winding roller 301 is connected with a driving motor for driving the winding roller 301 to rotate, and the driving motor drives the winding roller 301 to rotate, so that the substrate layer combined with the silicone layer is wound on the winding roller 301 to form a coil.
The formed coiled material is further aged through an aging mechanism 4, specifically, the aging mechanism 4 comprises a host 401, one side of the host 401 is connected to the rolling mechanism 3, one side of the host 401, which is far away from the rolling mechanism 3, is provided with an opening 402, the opening 402 is connected with a door plate 403, the door plate 403 can be opened and closed relative to the opening 402 in a rotating manner, and the door plate 403 is connected with the opening 402 through a hinge. A far infrared lamp 404 is arranged in the main machine 401, and the far infrared lamp 404 is arranged on the inner top wall of the main machine 401, so that infrared light irradiates the surface of the silica gel from top to bottom.
A plurality of operation holes 408 are formed in the top surface of the outer tube 4021, stoppers 405 are arranged at the operation holes, a chain gear 406 is connected to the tail end of each stopper 405, the chain gear 406 is connected to a motor 407, and the motor 407 drives the chain gear 406 to rotate, so that the stoppers 405 are driven to rotate and protrude out of the top surface of the outer tube 4021 or are accommodated in the operation holes 408.
Rotating frame's bottom (specifically be two outer tubes 4021 bottoms) is provided with lift drive mechanism 7, and lift drive mechanism 7 sets up in one side that rotating frame is close to winding mechanism 3, and lift drive mechanism 7 is the hydraulic lifting cylinder, outer tube 4021 with host computer 401 passes through rotation axis 8 and connects, and when the hydraulic lifting cylinder rebound, drive rotating frame is close to the one end rebound of winding mechanism 3, and the other end naturally downward sloping. The support shaft 303 is arranged in the winding roller 301, the support shaft 303 can be supported on the top of the support frame 302, the inner tube 4022 can move to the bottom of the support shaft 303 under the driving of the brake 403, when the lifting driving mechanism 7 ascends, the inner tube 4022 can upwards jack the support shaft 303, the support shaft 303 can roll downwards along a formed inclined angle, at the moment, the motor 406 drives the chain gear 405 to rotate, the stopper 404 is driven to rotate, the stopper 404 protrudes from the surface of the outer tube 4021, and a limiting blocking effect is achieved on the support shaft 303. In the process, the far infrared lamp 404 in the aging mechanism 4 can dry the silica gel material on the winding mechanism 3 through the heat radiation of infrared rays, the silica gel material is aged by the far infrared lamp, the heating uniformity is high, and the silica gel can generate the energy of a far infrared band in the heating process and resonate with the wavelength emitted by the far infrared lamp, so that the inside of the silica gel coiled material can be fully aged.
Further, a cutting mechanism 9 is arranged between the drying mechanism 2 and the winding mechanism 3, when the supporting shaft 303 is placed on the supporting frame 302, the cutting mechanism can cut off the base material, and the base material is generally adhered with gummed paper at the position of a cut, so that the base material is prevented from being scattered.
Example 9
This example provides an apparatus for producing the multifunctional silica gel described in examples 1-4 and for the production method described in examples 5-7.
Referring to fig. 5-6, the apparatus is substantially the same in construction as the apparatus of example 8, except that the silicone coating mechanism 1 is a spray coater.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (15)
1. The multifunctional silica gel is characterized by comprising a base material layer and an organic silicon layer attached to the surface of the base material layer, wherein the organic silicon layer comprises 20-50% of liquid silicon, 1-15% of functional auxiliary agent and the balance of organic solvent in percentage by mass.
2. The multifunctional silica gel of claim 1, wherein the functional additives comprise an adhesive, a coupling agent, and an additive.
3. The multifunctional silica gel of claim 1 wherein said functional adjuvant comprises a cross-linking agent.
4. The multifunctional silica gel according to claim 2, wherein the adhesive is at least one of cyanomethyltrimethoxysilane and methacryloxypropylmethylethoxysilane; the additive is ceramic powder.
5. The multifunctional silica gel according to claim 3, wherein the cross-linking agent is a polyurethane cross-linking agent or an isocyanate cross-linking agent; the organic solvent is methyl ethyl ketone or methyl acetic acid.
6. The multifunctional silica gel according to claim 4 or 5, wherein the substrate layer is fiber or synthetic leather.
7. A method of producing the multifunctional silica gel of any one of claims 1 to 6, comprising the steps of:
providing a substrate layer;
uniformly mixing the raw materials of the organic silicon layer according to the proportion, and coating the mixture on the surface of the base material layer;
sequentially drying the base material coated with the organic silicon layer for 4 times;
and carrying out aging treatment on the dried base material coated with the organic silicon layer.
8. The production method as claimed in claim 7, wherein the temperature of the 4 times of drying treatment is 60-80 ℃, 90-100 ℃, 110-120 ℃ and not lower than 130 ℃ in sequence, and the moving speed of the substrate in the 4 times of drying process is 14-16 m/min;
the organic silicon layer is coated on the surface of the base material layer in a gravure printing or spraying mode.
9. The device for producing the multifunctional silica gel as claimed in any one of claims 1 to 6, which comprises a silicone coating mechanism, a drying mechanism, a winding mechanism and an aging mechanism, wherein the silicone coating mechanism, the drying mechanism, the winding mechanism and the aging mechanism are sequentially arranged, the drying mechanism is connected with a heat source, the drying mechanism comprises a first drying mechanism, a second drying mechanism, a third drying mechanism and a fourth drying mechanism, the first drying mechanism, the second drying mechanism, the third drying mechanism and the fourth drying mechanism are sequentially connected, and the silicone coating mechanism is arranged on one side of the first drying mechanism.
10. The apparatus according to claim 9, wherein a cutting mechanism is disposed between the drying mechanism and the winding mechanism.
11. The apparatus for producing multifunctional silicone gum according to claim 10, wherein the silicone coating mechanism is a gravure mechanism or a spray mechanism.
12. The apparatus for producing multifunctional silica gel according to claim 11, wherein the heat source is a burner which supplies different heat to each drying mechanism through a duct.
13. The apparatus according to claim 12, wherein the aging mechanism comprises a main machine, the winding mechanism is connected to one side of the main machine, an opening is provided on a side of the main machine away from the winding mechanism, a far infrared lamp is provided in the main machine, and the main machine is connected to a rotating frame for driving the main machine to rotate.
14. The apparatus according to claim 13, wherein the rotating frame comprises rotating frame assemblies symmetrically disposed on two sides of the main machine, each rotating frame assembly comprises an outer tube and an inner tube disposed inside the outer tube, the inner tube can move along an axial direction of the outer tube, the outer tube is connected to the main machine through a rotating shaft, and the inner tube is connected to the winding mechanism.
15. The apparatus for producing multifunctional silica gel according to claim 14, wherein a lifting driving mechanism is connected to the bottom of the rotating frame; the outer tube is connected with a limiter, the limiter is connected with a limiter driving assembly, and the limiter driving assembly is used for driving the limiter to rotate relative to the outer tube.
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