CN110093789A - A kind of improved silica/rare earth/Synthetic Leather adsorbing dust - Google Patents
A kind of improved silica/rare earth/Synthetic Leather adsorbing dust Download PDFInfo
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- CN110093789A CN110093789A CN201910407959.XA CN201910407959A CN110093789A CN 110093789 A CN110093789 A CN 110093789A CN 201910407959 A CN201910407959 A CN 201910407959A CN 110093789 A CN110093789 A CN 110093789A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D49/00—Separating dispersed particles from gases, air or vapours by other methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8603—Removing sulfur compounds
- B01D53/8609—Sulfur oxides
-
- 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
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
-
- 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
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0061—Organic fillers or organic fibrous fillers, e.g. ground leather waste, wood bark, cork powder, vegetable flour; Other organic compounding ingredients; Post-treatment with organic compounds
-
- 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
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
-
- 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
- D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06N3/042—Acrylic polymers
-
- 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
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
- D06N3/147—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes characterised by the isocyanates used
- D06N3/148—(cyclo)aliphatic polyisocyanates
-
- 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
- D06N3/18—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with two layers of different macromolecular materials
- D06N3/183—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with two layers of different macromolecular materials the layers are one next to the other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
-
- 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
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/28—Artificial leather
Abstract
The invention discloses improved silica/rare earth/Synthetic Leathers of absorption dust, including base, adhesive layer and oxidation-adsorption layer；The base is one of acrylic fibers woven fabric, knitted fabric or non-woven cloth, and the adhesive layer is Hydroxylated acrylic resin dry coating, and the oxidation-adsorption layer is improved silica/thermoplastic polyurethane dry coating slurry coating；The grammes per square metre of the base is 10~50g/m2, the grammes per square metre of the adhesive layer dry coating is 1~5g/m2, application cost of the present invention is low, and it is high-efficient, it is easy to use, it not will cause quadratic noise pollution when not needing the consumption energy when adsorbing dust, and administering dust.
Description
Technical field
The invention belongs to technical field of composite preparation more particularly to it is a kind of adsorb dust improved silica/it is dilute
Soil/Synthetic Leather.
Background technique
Dust germ easy to breed or virus cause adverse effect, Yi Yinqi to the angiocarpy, respiratory tract and skin of the mankind
A variety of cardiovascular, respiratory tract class disease generations, directly threaten the life of people.In the industries such as sulfur cream, mine, factory
Workshop be place of the dust than comparatively dense, the exceeded situation of Dust Capacity in workshop is more serious, these dust can make worker
It is injured at the dust pollution of suction-type.At the same time, the aggregation of a large amount of dust is also possible to cause the generation of dust explosion accident.Cause
The improvement needs of this dust arouse enough attention.
The administering method of existing dust mostly uses greatly Pneumatic Dust Collecting Device or cloth bag dust collection equipment to collect, this kind of method head
Dust collect plant is first passed through dust collection, is then pipelined to storage outdoors.Although this method can reduce factory
Dust in room, but noise is big, brings noise pollution very serious.
Summary of the invention
Technical problem to be solved by the present invention lies in: it administers during dust and quadratic noise is brought to pollute, provide one
Improved silica/rare earth/Synthetic Leather of kind absorption dust.
The present invention is that solution above-mentioned technical problem, the present invention include: by the following technical programs
A kind of improved silica/rare earth/Synthetic Leather adsorbing dust, including the base set gradually from inside to outside
Layer, adhesive layer and oxidation-adsorption layer, the base are one of acrylic fibers woven fabric, knitted fabric or non-woven cloth；Described
Adhesive layer is Hydroxylated acrylic resin dry coating, is coated in base；The oxidation-adsorption layer be improved silica with
The thermoplastic polyurethane dry material coating that thermoplastic polyurethane is formed is coated on adhesive layer.
The grammes per square metre of the base is 10~50g/m2。
The grammes per square metre of the adhesive layer dry coating is 1~5g/m2。
The improved silica the preparation method comprises the following steps: take mass fraction be 2~6 parts solvent glycerine and mass parts
Number mixes for 2~6 parts of dispersant B YK-154, adds mixture to the N that mass fraction is 100~400 parts, N- dimethyl
In acetamide, the defoaming agent modified polyether DF- that mass fraction is 10~30 parts is then added into n,N-dimethylacetamide
897, the promotor mixing that the initiator azodiisobutyronitrile and mass fraction that mass fraction is 80~100 parts are 10~20 parts is equal
It is even to obtain modification liquid, then the potassium permanganate that the silica that mass fraction is 5~10 parts is 1~20 part with mass fraction is ground
Uniformly mixed silica/potassium permanganate is added in modification liquid by mill mixing then under ultrasonication, and is stirred extremely
Uniformly, under helium injection gas shielded, 10~20 DEG C, 8 are stirred to react with the revolving speed homogeneous of 200~400r/min~for 24 hours, last vacuum
It is dry, obtain improved silica.
The silica is light silicon dioxide, and the partial size of the light silicon dioxide is 20~40nm.
The composition by weight ratio of the thermoplastic polyurethane are as follows:
The rare earth sensitizer is CaSO4: Ce or CaSO4:Eu。
The composition by weight ratio of the thermoplastic polyurethane dry material are as follows:
The promotor is stannous chloride, ferric trichloride, to any one of Chlorobenzoic Acid.
The vacuum drying vacuum degree is -0.02~-0.05MPa.
The pore-foaming agent is cellulose acetate titanate esters or ethyl cellulose.
The present invention has the advantage that improved silica/rare earth/Synthetic Leather of the present invention compared with prior art,
After silica is modified, there is better absorption property, adsorb dust and molecule in air, play and preferably purify
The effect of air；In use, potassium permanganate and rare earth sensitizer component are under sunlight irradiation, photochemical catalytic oxidation for synthetic leather
The harmful substances such as the sulfur dioxide in degradation workplace air, to achieve the effect that preferably to administer dust, use cost is low, effect
Rate is high.
The present invention has the advantage that application cost of the present invention is low compared with prior art, high-efficient, easy to use, absorption
Quadratic noise pollution is not will cause when not needing the consumption energy when dust, and administering dust.
Specific embodiment
It elaborates below to the embodiment of the present invention, the present embodiment carries out under the premise of the technical scheme of the present invention
Implement, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to following implementation
Example.
Embodiment 1
A kind of improved silica/rare earth/Synthetic Leather adsorbing dust, including the base set gradually from inside to outside
Layer, adhesive layer and oxidation-adsorption layer.The base is that grammes per square metre is 10g/m2Acrylic fibers woven fabric；The adhesive layer is hydroxyl third
Olefin(e) acid resin dry coating, the dry weight grammes per square metre of coating are 1g/m2, it is coated in base；The oxidation-adsorption layer is modified two
The thermoplastic polyurethane dry material coating that silica and thermoplastic polyurethane are formed, is coated on adhesive layer.
The improved silica the preparation method comprises the following steps: being 20nm lightweight titanium dioxide by the partial size that mass fraction is 5 parts
The potassium permanganate ground and mixed that silicon and mass fraction are 1 part, then taking mass fraction is 1 part of solvent glycerine and mass fraction
Mixed for 1 part of dispersant B YK-154, then by uniformly mixed silica/potassium permanganate be uniformly mixed glycerine/
BYK-154 mixing, and be stirred until homogeneous, under ultrasonication, the n,N-dimethylacetamide that mass fraction is 100 parts is added,
Then the defoaming agent modified polyether DF-897 that mass fraction is 10 parts, two isobutyl of initiator azo that mass fraction is 80 parts is added
The stannous chloride that nitrile and mass fraction are 10 parts 10 DEG C, is stirred to react under helium injection gas shielded with the revolving speed homogeneous of 200r/min
8h, final vacuum is dry for -0.02MPa, obtains improved silica；
The composition by weight ratio of the thermoplastic polyurethane are as follows:
The improved silica/thermoplastic polyurethane dry coating slurry composition by weight ratio are as follows:
Improved silica is added in thermoplastic polyurethane slurry, while being put into defoaming agent and pore-foaming agent, stirring is mixed
It closes uniformly, static defoaming obtains thermoplastic polyurethane dry material.
Adhesive layer is coated on substrate, at 100 DEG C, 0.5~1 minute, after heating partial desiccation, thermoplastic polyurethane is done
Method material is coated on adhesive layer, is formed Synthetic Leather semi-finished product and is volatilized modified by solvent under the conditions of heat drying
Silica/rare earth/Synthetic Leather.
Embodiment 2
A kind of improved silica/rare earth/Synthetic Leather adsorbing dust, including the base set gradually from inside to outside
Layer, adhesive layer and oxidation-adsorption layer.The base is that grammes per square metre is 12g/m2Acrylic Knits；The adhesive layer is hydroxyl third
Olefin(e) acid resin dry coating, the dry weight grammes per square metre of coating are 2g/m2, it is coated in base；The oxidation-adsorption layer is modified two
The thermoplastic polyurethane dry material coating that silica and thermoplastic polyurethane are formed, is coated on adhesive layer.
The improved silica the preparation method comprises the following steps: being 25nm lightweight titanium dioxide by the partial size that mass fraction is 6 parts
The potassium permanganate ground and mixed that silicon and mass fraction are 2 parts, then taking mass fraction is 2 parts of solvent glycerine and mass fraction
Mixed for 2 parts of dispersant B YK-154, then by uniformly mixed silica/potassium permanganate be uniformly mixed glycerine/
BYK-154 mixing, and be stirred until homogeneous, under ultrasonication, the n,N-dimethylacetamide that mass fraction is 120 parts is added,
Then the defoaming agent modified polyether DF-897 that mass fraction is 11 parts, two isobutyl of initiator azo that mass fraction is 82 parts is added
The ferric trichloride that nitrile and mass fraction are 12 parts 12 DEG C, is stirred to react under helium injection gas shielded with the revolving speed homogeneous of 220r/min
10h, final vacuum is dry for -0.03MPa, obtains improved silica；
The composition by weight ratio of the thermoplastic polyurethane are as follows:
The improved silica/thermoplastic polyurethane dry coating slurry composition by weight ratio are as follows:
Improved silica is added in thermoplastic polyurethane slurry, while being put into defoaming agent and pore-foaming agent, stirring is mixed
It closes uniformly, static defoaming obtains thermoplastic polyurethane dry material.
Adhesive layer is coated on substrate, at 100 DEG C, 0.5~1 minute, after heating partial desiccation, thermoplastic polyurethane is done
Method material is coated on adhesive layer, is formed Synthetic Leather semi-finished product and is volatilized modified by solvent under the conditions of heat drying
Silica/rare earth/Synthetic Leather.
Embodiment 3
A kind of improved silica/rare earth/Synthetic Leather adsorbing dust, including the base set gradually from inside to outside
Layer, adhesive layer and oxidation-adsorption layer.The base is that grammes per square metre is 13g/m2Acrylic fibers non-woven cloth；The adhesive layer is hydroxyl
Acrylic resin dry coating, the dry weight grammes per square metre of coating are 3g/m2, it is coated in base；The oxidation-adsorption layer is to be modified
The thermoplastic polyurethane dry material coating that silica and thermoplastic polyurethane are formed, is coated on adhesive layer.
The improved silica the preparation method comprises the following steps: being 28nm lightweight titanium dioxide by the partial size that mass fraction is 7 parts
The potassium permanganate ground and mixed that silicon and mass fraction are 3 parts, then taking mass fraction is 3 parts of solvent glycerine and mass fraction
Mixed for 3 parts of dispersant B YK-154, then by uniformly mixed silica/potassium permanganate be uniformly mixed glycerine/
BYK-154 mixing, and be stirred until homogeneous, under ultrasonication, the n,N-dimethylacetamide that mass fraction is 130 parts is added,
Then the defoaming agent modified polyether DF-897 that mass fraction is 12 parts, two isobutyl of initiator azo that mass fraction is 85 parts is added
Nitrile and mass fraction are 15 parts to Chlorobenzoic Acid, under helium injection gas shielded, 15 DEG C, are stirred with the revolving speed homogeneous of 230r/min
12h is reacted, final vacuum is dry for -0.04MPa, obtains improved silica；
The composition by weight ratio of the thermoplastic polyurethane are as follows:
The improved silica/thermoplastic polyurethane dry coating slurry composition by weight ratio are as follows:
Improved silica is added in thermoplastic polyurethane slurry, while being put into defoaming agent and pore-foaming agent, stirring is mixed
It closes uniformly, static defoaming obtains thermoplastic polyurethane dry material.
Adhesive layer is coated on substrate, at 100 DEG C, 0.5~1 minute, after heating partial desiccation, thermoplastic polyurethane is done
Method material is coated on adhesive layer, is formed Synthetic Leather semi-finished product and is volatilized modified by solvent under the conditions of heat drying
Silica/rare earth/Synthetic Leather.
Embodiment 4
A kind of improved silica/rare earth/Synthetic Leather adsorbing dust, including the base set gradually from inside to outside
Layer, adhesive layer and oxidation-adsorption layer.The base is that grammes per square metre is 20g/m2Acrylic fibers woven fabric；The adhesive layer is hydroxyl third
Olefin(e) acid resin dry coating, the dry weight grammes per square metre of coating are 4g/m2, it is coated in base；The oxidation-adsorption layer is modified two
The thermoplastic polyurethane dry material coating that silica and thermoplastic polyurethane are formed, is coated on adhesive layer.
The improved silica the preparation method comprises the following steps: being 30nm lightweight titanium dioxide by the partial size that mass fraction is 8 parts
The potassium permanganate ground and mixed that silicon and mass fraction are 5 parts, then taking mass fraction is 4 parts of solvent glycerine and mass fraction
Mixed for 4 parts of dispersant B YK-154, then by uniformly mixed silica/potassium permanganate be uniformly mixed glycerine/
BYK-154 mixing, and be stirred until homogeneous, under ultrasonication, the n,N-dimethylacetamide that mass fraction is 200 parts is added,
Then the defoaming agent modified polyether DF-897 that mass fraction is 20 parts, two isobutyl of initiator azo that mass fraction is 89 parts is added
Nitrile and mass fraction are 17 parts to Chlorobenzoic Acid, under helium injection gas shielded, 17 DEG C, are stirred with the revolving speed homogeneous of 250r/min
18h is reacted, final vacuum is dry for -0.04MPa, obtains improved silica；
The composition by weight ratio of the thermoplastic polyurethane are as follows:
The improved silica/thermoplastic polyurethane dry coating slurry composition by weight ratio are as follows:
Improved silica is added in thermoplastic polyurethane slurry, while being put into defoaming agent and pore-foaming agent, stirring is mixed
It closes uniformly, static defoaming obtains thermoplastic polyurethane dry material.
Adhesive layer is coated on substrate, at 100 DEG C, 0.5~1 minute, after heating partial desiccation, thermoplastic polyurethane is done
Method material is coated on adhesive layer, is formed Synthetic Leather semi-finished product and is volatilized modified by solvent under the conditions of heat drying
Silica/rare earth/Synthetic Leather.
Embodiment 5
A kind of improved silica/rare earth/Synthetic Leather adsorbing dust, including the base set gradually from inside to outside
Layer, adhesive layer and oxidation-adsorption layer.The base is that grammes per square metre is 50g/m2Acrylic fibers woven fabric；The adhesive layer is hydroxyl third
Olefin(e) acid resin dry coating, the dry weight grammes per square metre of coating are 5g/m2, it is coated in base；The oxidation-adsorption layer is modified two
The thermoplastic polyurethane dry material coating that silica and thermoplastic polyurethane are formed, is coated on adhesive layer.
The improved silica the preparation method comprises the following steps: being 40nm lightweight titanium dioxide by the partial size that mass fraction is 10 parts
Then the potassium permanganate ground and mixed that silicon and mass fraction are 20 parts takes solvent glycerine and mass parts that mass fraction is 5 parts
Number mixes for 5 parts of dispersant B YK-154, then by uniformly mixed silica/potassium permanganate be uniformly mixed the third three
Alcohol/BYK-154 mixing, and be stirred until homogeneous, under ultrasonication, the N that mass fraction is 400 parts, N- dimethylacetamide is added
Then the defoaming agent modified polyether DF-897 that mass fraction is 30 parts, the initiator azo two that mass fraction is 100 parts is added in amine
The ferric trichloride that isobutyronitrile and mass fraction are 20 parts is stirred under helium injection gas shielded at 20 DEG C with the revolving speed homogeneous of 400r/min
Mix reaction for 24 hours, final vacuum is dry for -0.05MPa, obtains improved silica；
The improved silica/thermoplastic polyurethane dry coating slurry composition by weight ratio are as follows:
Improved silica is added in thermoplastic polyurethane slurry, while being put into defoaming agent and pore-foaming agent, stirring is mixed
It closes uniformly, static defoaming obtains thermoplastic polyurethane dry material.
Adhesive layer is coated on substrate, at 100 DEG C, 0.5~1 minute, after heating partial desiccation, thermoplastic polyurethane is done
Method material is coated on adhesive layer, is formed Synthetic Leather semi-finished product and is volatilized modified by solvent under the conditions of heat drying
Silica/rare earth/Synthetic Leather.
Comparative example 1
Oxidation-adsorption layer is general silica/thermoplastic polyurethane dry coating slurry coating, other are the same as embodiment 1.
Improved silica/rare earth/Synthetic Leather property of the invention is as follows:
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Comparative example 1 | |
| Dust absorbing rate % | 85 | 87 | 89 | 90 | 84 | 55 |
| Sulfur dioxide resolution ratio % | 90 | 95 | 91 | 89 | 88 | 0 |
Wherein, dust, the measurement of sulfur dioxide adsorption capacity under illumination condition:
In transparent closed 4m3In glass room, 15g dust is taken to be atomized, balances for 24 hours, take under 25 DEG C of atmospheric pressure
Sample measures dust content in confined space, places into 1m2×1m2Test material is placed for 24 hours, is then measured closed at 25 DEG C
The content of dust in space calculates adsorbing powder dust rate.
The same dust of the test of sulfur dioxide adsorption capacity.
Test result is shown:
The Synthetic Leather of general silica does not have sulfur dioxide capacity of decomposition, and adsorbing powder dust ability is weaker；And this
Improved silica/rare earth/Synthetic Leather of invention preparation has preferable adsorbing powder dust and sulfur dioxide capacity of decomposition.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. it is a kind of adsorb dust improved silica/rare earth/Synthetic Leather, which is characterized in that including from inside to outside according to
Base, adhesive layer and the oxidation-adsorption layer of secondary setting；
The base is any one of acrylic fibers woven fabric, knitted fabric or non-woven cloth；The adhesive layer is hydroxy
Acid resin dry coating is coated in base；The oxidation-adsorption layer is that improved silica is formed with thermoplastic polyurethane
Thermoplastic polyurethane dry material coating, be coated on adhesive layer on.
2. a kind of improved silica/rare earth/Synthetic Leather for adsorbing dust according to claim 1, feature
It is, the grammes per square metre of the base is 10~50g/m2。
3. a kind of improved silica/rare earth/Synthetic Leather for adsorbing dust according to claim 1, feature
It is, the grammes per square metre of the adhesive layer dry coating is 1~5g/m2。
4. a kind of improved silica/rare earth/Synthetic Leather for adsorbing dust according to claim 1, feature
Be, the improved silica the preparation method comprises the following steps:
It takes the solvent glycerine that mass fraction is 2~6 parts to mix with the dispersant B YK-154 that mass fraction is 2~6 parts, will mix
It closes object to be added in the n,N-dimethylacetamide that mass fraction is 100~400 parts, then add into n,N-dimethylacetamide
Enter the defoaming agent modified polyether DF-897 that mass fraction is 10~30 parts, the initiator azo two that mass fraction is 80~100 parts
The promotor that isobutyronitrile and mass fraction are 10~20 parts, which is uniformly mixed, obtains modification liquid, is then 5~10 parts by mass fraction
Silica and mass fraction be 1~20 part of potassium permanganate ground and mixed, then under ultrasonication, by what is be uniformly mixed
Silica/potassium permanganate is added in modification liquid, and is stirred until homogeneous, under helium injection gas shielded, 10~20 DEG C, with 200~
The revolving speed homogeneous of 400r/min is stirred to react 8~for 24 hours, it is finally dried in vacuo, obtains improved silica.
5. a kind of improved silica/rare earth/Synthetic Leather for adsorbing dust according to claim 4, feature
It is, the silica is light silicon dioxide.
6. a kind of improved silica/rare earth/Synthetic Leather for adsorbing dust according to claim 5, feature
It is, the partial size of the light silicon dioxide is 20~40nm.
7. a kind of improved silica/rare earth/Synthetic Leather for adsorbing dust according to claim 4, feature
It is, the promotor is stannous chloride, ferric trichloride, to any one of Chlorobenzoic Acid.
8. a kind of improved silica/rare earth/Synthetic Leather for adsorbing dust according to claim 1, feature
It is, the composition by weight ratio of the thermoplastic polyurethane are as follows:
9. a kind of improved silica/rare earth/Synthetic Leather for adsorbing dust according to claim 8, feature
It is, the rare earth sensitizer is CaSO4: Ce or CaSO4:Eu。
10. a kind of improved silica/rare earth/Synthetic Leather for adsorbing dust according to claim 1, feature
It is, the composition by weight ratio of the thermoplastic polyurethane dry material are as follows:
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910407959.XA CN110093789A (en) | 2019-05-15 | 2019-05-15 | A kind of improved silica/rare earth/Synthetic Leather adsorbing dust |
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|---|---|---|---|
| CN201910407959.XA CN110093789A (en) | 2019-05-15 | 2019-05-15 | A kind of improved silica/rare earth/Synthetic Leather adsorbing dust |
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