CN113174777A - Bi-component coating type anti-slip coating and preparation method thereof - Google Patents
Bi-component coating type anti-slip coating and preparation method thereof Download PDFInfo
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- CN113174777A CN113174777A CN202110348034.XA CN202110348034A CN113174777A CN 113174777 A CN113174777 A CN 113174777A CN 202110348034 A CN202110348034 A CN 202110348034A CN 113174777 A CN113174777 A CN 113174777A
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- 238000000576 coating method Methods 0.000 title claims abstract description 69
- 239000011248 coating agent Substances 0.000 title claims abstract description 68
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 69
- 239000006185 dispersion Substances 0.000 claims abstract description 66
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 65
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 65
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 55
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 55
- 229910001845 yogo sapphire Inorganic materials 0.000 claims abstract description 55
- 239000007788 liquid Substances 0.000 claims abstract description 48
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 44
- 239000003822 epoxy resin Substances 0.000 claims abstract description 23
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 23
- 239000000843 powder Substances 0.000 claims abstract description 23
- 239000004814 polyurethane Substances 0.000 claims abstract description 22
- 229920002635 polyurethane Polymers 0.000 claims abstract description 22
- 239000004952 Polyamide Substances 0.000 claims abstract description 21
- 229920002647 polyamide Polymers 0.000 claims abstract description 21
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims description 60
- 238000010438 heat treatment Methods 0.000 claims description 23
- 238000002156 mixing Methods 0.000 claims description 14
- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 claims description 13
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 12
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 12
- 239000008367 deionised water Substances 0.000 claims description 12
- 229910021641 deionized water Inorganic materials 0.000 claims description 12
- 238000003760 magnetic stirring Methods 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 9
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims description 7
- 229960000583 acetic acid Drugs 0.000 claims description 6
- 238000007865 diluting Methods 0.000 claims description 6
- 239000012362 glacial acetic acid Substances 0.000 claims description 6
- XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 claims description 3
- 230000035484 reaction time Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 68
- 239000000123 paper Substances 0.000 description 28
- 238000001035 drying Methods 0.000 description 3
- 239000002655 kraft paper Substances 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000005022 packaging material Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 239000013530 defoamer Substances 0.000 description 2
- 238000007602 hot air drying Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
- D21H17/55—Polyamides; Polyaminoamides; Polyester-amides
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/675—Oxides, hydroxides or carbonates
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/06—Paper forming aids
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/06—Paper forming aids
- D21H21/12—Defoamers
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Paints Or Removers (AREA)
Abstract
The invention provides a bi-component coating type anti-skid coating and a preparation method thereof, wherein the anti-skid coating is composed of a component A solution and a component B solution, and the component A solution is composed of the following components in percentage by weight: 30-50% of waterborne polyurethane modified epoxy resin and nano Al2O3With CaCO310-15% of dispersion liquid, 25-30% of fluff powder and the balance of water; the component B solution comprises the following components in percentage by weight: 30-50% of polyamide curing agent, 1-2% of defoaming agent, 1-2% of flatting agent and the balance of water. The invention increases the watch by coating the bi-component anti-slip coating on the paper sliding plateThe surface friction coefficient is increased, so that the anti-skid capability of the material is enhanced, and the problems that the material is easy to slip in the stacking and carrying processes, cannot be carried and loaded on equipment and the like are solved.
Description
Technical Field
The invention belongs to the technical field of preparation of anti-slip paper, and particularly relates to a bi-component coating type anti-slip coating and a preparation method thereof.
Background
The paper sliding plate can be used as a liner or a tray to be applied to different occasions and environments, and has wide development space and application prospect in the field of transportation and packaging. The environment-friendly packaging material is light in weight, low in price, high in strength, recyclable, and only about 1mm in thickness, and greatly saves transportation and storage space, so that the transportation cost and the storage cost are reduced, and the environment-friendly packaging material is a novel environment-friendly packaging material which is used for replacing wood trays, plastic trays and paper trays as transportation devices.
The paper sliding plate is formed by compounding a plurality of layers of high-strength craft paper through plate making equipment, but the paper is easy to become smooth and generate slippage in the stacking and conveying processes, so that the paper cannot be conveyed and loaded on the equipment. The friction force is an important characteristic for the paper sliding plate, and the bi-component anti-slip coating is coated on the surface of the paper sliding plate, so that the surface friction coefficient is increased, the anti-slip capability of the paper sliding plate is enhanced, and the anti-slip performance incomparable to other products is reflected when mechanical operation such as a forklift is carried out, so that the problems are solved.
Disclosure of Invention
The invention aims to provide a bi-component coating type anti-skid coating and a preparation method thereof, and aims to solve the problem of poor anti-skid performance of a paper sliding plate.
The invention is realized in such a way that the two-component coating type anti-slip coating is composed of a component A solution and a component B solution, wherein the component A solution is composed of the following components in percentage by weight: 30-50% of waterborne polyurethane modified epoxy resin and nano Al2O3With CaCO310-15% of dispersion liquid, 25-30% of fluff powder and the balance of water; the component B solution comprises the following components in percentage by weight: 30-50% of polyamide curing agent, 1-2% of defoaming agent, 1-2% of flatting agent and the balance of water.
The further technical scheme of the invention is as follows: the anti-skid coating is composed of a component A solution and a component B solution, wherein the component A solution is composed of the following components in percentage by weight: 30% of waterborne polyurethane modified epoxy resin and nano Al2O3With CaCO310% of dispersion liquid, 25% of fluff powder and the balance of water; the component B solution comprises the following components in percentage by weight: 30% of polyamide curing agent, 1% of defoaming agent, 1% of flatting agent and the balance of water.
The further technical scheme of the invention is as follows: the anti-skidThe coating consists of a component A solution and a component B solution, wherein the component A solution consists of the following components in percentage by weight: 50% of waterborne polyurethane modified epoxy resin and nano Al2O3With CaCO315% of dispersion liquid, 30% of fluff powder and the balance of water; the component B solution comprises the following components in percentage by weight: 50% of polyamide curing agent, 2% of defoaming agent, 2% of flatting agent and the balance of water.
The further technical scheme of the invention is as follows: the anti-skid coating is composed of a component A solution and a component B solution, wherein the component A solution is composed of the following components in percentage by weight: 40% of waterborne polyurethane modified epoxy resin and nano Al2O3With CaCO313% of dispersion liquid, 27% of fluff powder and the balance of water; the component B solution comprises the following components in percentage by weight: 40% of polyamide curing agent, 1.5% of defoaming agent, 1.5% of flatting agent and the balance of water.
The invention also aims to provide a preparation method of the two-component coating type anti-skid coating, which comprises the following steps:
step S1: mixing nano Al2O3Dispersing in absolute ethyl alcohol, adding gamma-aminopropyltriethoxysilane into deionized water, adjusting pH to 3 with glacial acetic acid, mixing the two solutions by dropwise adding under constant temperature heating and magnetic stirring, and reacting to obtain nanometer Al2O3A dispersion liquid;
step S2: mixing nano CaCO3Dispersing in deionized water, stirring, adding sodium stearate, and reacting to obtain nanometer CaCO3A dispersion liquid; taking nano Al2O3Dispersion and nano CaCO3Stirring the dispersion in a beaker at normal temperature to obtain nano Al2O3With CaCO3A dispersion liquid;
step S3: dissolving the waterborne polyurethane modified epoxy resin, and sequentially heating and stirring the nano Al in water bath2O3With CaCO3Adding the dispersion liquid and the fully ground fluff powder into the solution, and uniformly dispersing to obtain a component A solution;
step S4: diluting a polyamide curing agent in acetone, adding a defoaming agent and a flatting agent under the condition of electric stirring, and uniformly stirring to obtain a component B solution;
step S5: and (3) taking the component solution A, heating in a water bath, stirring, dripping the component solution B, and uniformly dispersing to obtain the anti-skid coating.
The further technical scheme of the invention is as follows: in the step S1, the nano Al is prepared2O3When dispersed, the nano Al2O3The dosage is 3-10 parts, and the dosage of the gamma-methacryloxypropyltrimethoxysilane is the nano Al2O32-8 wt%, and the mass ratio of the absolute ethyl alcohol to the water in a mixed system is 1: 1; the temperature of magnetic stirring is set to be 65-75 ℃, and the stirring time is 3-5 h.
The further technical scheme of the invention is as follows: in the step S2, the nano CaCO is prepared3When dispersed, the nano CaCO3The dosage of the sodium stearate is 2-10 parts, and the dosage of the sodium stearate is the nano CaCO33-10 wt%, the temperature of magnetic stirring is 50-70 ℃, and the reaction time is 1-4 h;
preparation of nano Al2O3With CaCO3When dispersed, the nano Al2O3Dispersion and nano CaCO3The mass ratio of the dispersion liquid is 1: 1, the nano Al2O3The using amount of the dispersion liquid is 5-10 parts, and the nano CaCO3The using amount of the dispersion liquid is 5-10 parts, and the stirring time is 2-4 hours.
The further technical scheme of the invention is as follows: in step S3, the polyurethane modified epoxy resin is 30wt% -50 wt%, the fluff powder is 25wt% -30 wt%, and the nano Al is2O3With CaCO310-15 wt% of dispersion liquid and the balance of water; the temperature of the water bath heating is 65-75 ℃, the stirring speed is 3000r/min, and the stirring time is 0.5-1.5 h.
The further technical scheme of the invention is as follows: in step S4, the polyamide curing agent is used in an amount of 30wt% to 50wt%, the defoamer is used in an amount of 1wt% to 2wt%, the leveling agent is used in an amount of 1wt% to 2wt%, and the balance is water; the electric stirring speed is 3500r/min, and the stirring time is 0.5-1 h.
The further technical scheme of the invention is as follows: in step S5, the amount of the component A solution is 6 g-12 g, the amount of the component B solution is 10wt% -40 wt% of the component A solution, the water bath heating temperature is 65 ℃ to 75 ℃, the stirring speed is 3000r/min, and the stirring time is 0.5 h-1.5 h.
The invention has the beneficial effects that: the composite inorganic nano particles are taken as anti-skid granules, so that the friction coefficient of the surface of a coating film is increased; the method comprises the following steps of (1) forming a protective layer on the surface of a base material by taking waterborne polyurethane modified epoxy resin as a main film forming substance; the fluff powder is used as a filler, so that the bonding performance with the coating is enhanced, and the mechanical property of the coating is improved. According to the invention, the bi-component anti-slip coating is coated on the paper sliding plate, so that the surface friction coefficient is increased, the anti-slip capability of the paper sliding plate is enhanced, the problems that the paper sliding plate is easy to slip in the stacking and carrying processes, cannot be carried and loaded on equipment and the like are solved, the product performance is tested and researched by carrying out coating process research on the anti-slip paper sliding plate, the research result is applied to the actual production, and the product application field is favorably expanded.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments.
The invention provides a bi-component coating type anti-slip coating, which consists of an A component solution and a B component solution, wherein the A component solution consists of the following components in percentage by weight: 30-50% of waterborne polyurethane modified epoxy resin and nano Al2O3With CaCO310-15% of dispersion liquid, 25-30% of fluff powder and the balance of water; the component B solution comprises the following components in percentage by weight: 30-50% of polyamide curing agent, 1-2% of defoaming agent, 1-2% of flatting agent and the balance of water.
Preferably, the anti-skid coating consists of a component A solution and a component B solution, wherein the component A solution consists of the following components in percentage by weight: 30% of waterborne polyurethane modified epoxy resin and nano Al2O3With CaCO310% of dispersion liquid, 25% of fluff powder and the balance of water; the component B solution comprises the following components in percentage by weight: polyamide30% of curing agent, 1% of defoaming agent, 1% of flatting agent and the balance of water.
Preferably, the anti-skid coating consists of a component A solution and a component B solution, wherein the component A solution consists of the following components in percentage by weight: 50% of waterborne polyurethane modified epoxy resin and nano Al2O3With CaCO315% of dispersion liquid, 30% of fluff powder and the balance of water; the component B solution comprises the following components in percentage by weight: 50% of polyamide curing agent, 2% of defoaming agent, 2% of flatting agent and the balance of water.
Preferably, the anti-skid coating consists of a component A solution and a component B solution, wherein the component A solution consists of the following components in percentage by weight: 40% of waterborne polyurethane modified epoxy resin and nano Al2O3With CaCO313% of dispersion liquid, 27% of fluff powder and the balance of water; the component B solution comprises the following components in percentage by weight: 40% of polyamide curing agent, 1.5% of defoaming agent, 1.5% of flatting agent and the balance of water.
The invention also provides a preparation method of the bi-component coating type anti-skid coating, which comprises the following steps:
step S1: mixing nano Al2O3Dispersing in absolute ethyl alcohol, adding gamma-aminopropyltriethoxysilane into deionized water, adjusting pH to 3 with glacial acetic acid, mixing the two solutions by dropwise adding under constant temperature heating and magnetic stirring, and reacting to obtain nanometer Al2O3A dispersion liquid;
step S2: mixing nano CaCO3Dispersing in deionized water, stirring, adding sodium stearate, and reacting to obtain nanometer CaCO3A dispersion liquid; taking nano Al2O3Dispersion and nano CaCO3Stirring the dispersion in a beaker at normal temperature to obtain nano Al2O3With CaCO3A dispersion liquid;
step S3: dissolving the waterborne polyurethane modified epoxy resin, and sequentially heating and stirring the nano Al in water bath2O3With CaCO3Adding the dispersion liquid and the fully ground fluff powder into the solution, and uniformly dispersing to obtain a component A solution;
step S4: diluting a polyamide curing agent in acetone, adding a defoaming agent and a flatting agent under the condition of electric stirring, and uniformly stirring to obtain a component B solution;
step S5: and (3) taking the component solution A, heating in a water bath, stirring, dripping the component solution B, and uniformly dispersing to obtain the anti-skid coating.
Preferably, in the step S1, the nano Al is prepared2O3When dispersed, the nano Al2O3The dosage is 3-10 parts, and the dosage of the gamma-methacryloxypropyltrimethoxysilane is the nano Al2O32-8 wt%, and the mass ratio of the absolute ethyl alcohol to the water in a mixed system is 1: 1; the temperature of magnetic stirring is set to be 65-75 ℃, and the stirring time is 3-5 h.
Preferably, in the step S2, the nano CaCO is prepared3When dispersed, the nano CaCO3The dosage of the sodium stearate is 2-10 parts, and the dosage of the sodium stearate is the nano CaCO33-10 wt%, the temperature of magnetic stirring is 50-70 ℃, and the reaction time is 1-4 h;
preparation of nano Al2O3With CaCO3When dispersed, the nano Al2O3Dispersion and nano CaCO3The mass ratio of the dispersion liquid is 1: 1, the nano Al2O3The using amount of the dispersion liquid is 5-10 parts, and the nano CaCO3The using amount of the dispersion liquid is 5-10 parts, and the stirring time is 2-4 hours.
Preferably, in step S3, the polyurethane modified epoxy resin is used in an amount of 30wt% to 50wt%, the fluff powder is used in an amount of 25wt% to 30wt%, and the nano Al is used in an amount of2O3With CaCO310-15 wt% of dispersion liquid and the balance of water; the temperature of the water bath heating is 65-75 ℃, the stirring speed is 3000r/min, and the stirring time is 0.5-1.5 h.
Preferably, in step S4, the polyamide curing agent is used in an amount of 30wt% to 50wt%, the defoamer is used in an amount of 1wt% to 2wt%, the leveling agent is used in an amount of 1wt% to 2wt%, and the balance is water; the electric stirring speed is 3500r/min, and the stirring time is 0.5-1 h.
Preferably, in step S5, the amount of the component a solution is 6g to 12g, the amount of the component B solution is 10wt% to 40wt% of the component a solution, the water bath heating temperature is 65 ℃ to 75 ℃, the stirring speed is 3000r/min, and the stirring time is 0.5h to 1.5 h.
The invention provides a bi-component coating type anti-skid coating and a preparation method thereof, wherein nano Al is prepared2O3Dispersion and CaCO3During dispersion, the modifier corresponding to the gamma-aminopropyl triethoxysilane and the sodium stearate are added to make the nanometer particle become oleophilic and hydrophobic and easy to be wetted by the base material, and the base material molecule is inserted into the nanometer particle to disperse and prevent agglomeration, so that the nanometer Al is prepared2O3In the case of dispersion, the nano Al may be added2O3Dispersed in water. When the anti-skid coating is prepared, the component A solution and the component B solution are required to be prepared simultaneously.
After the anti-slip coating is prepared, selecting a kraft paper with a certain gram weight and smooth surface, cutting the kraft paper into the size of A4 paper, fixing the kraft paper with a clamp, uniformly dripping the anti-slip coating below a wire rod by 1cm, pulling the wire rod at constant speed and pressure, and curing in a hot air drying mode to obtain the anti-slip paper sliding plate. Wherein the quantitative amount of the craft paper is 300-500 g/m2The coating weight is 2 to 6 g/m2The hot air drying temperature is 50-70 ℃, and the time is 4-8 minutes.
The following explains the two-component coating type anti-slip coating and the preparation method thereof, and the manufacture of the anti-slip paper sliding plate by three examples.
The first embodiment is as follows:
1. nano Al2O3With CaCO3Preparation of the dispersion:
3 parts of nano Al2O3Dispersing in absolute ethyl alcohol/water mixed solution (the mass ratio of the two is 1: 1), simultaneously adding 2wt% of gamma-aminopropyltriethoxysilane into deionized water, adjusting the PH to be about 3 by glacial acetic acid, mixing the two in a dropwise manner under the conditions of constant temperature of 65 ℃ and magnetic stirring, and fully reacting for 3 hours to obtain the nano Al2O3A dispersion liquid;2 parts of nano CaCO3Dispersing in deionized water, stirring, adding 3wt% sodium stearate, and reacting at 50 deg.C for 1 hr to obtain nanometer CaCO3A dispersion liquid; respectively taking 5 parts of nano Al2O3Dispersion and nano CaCO3Stirring the dispersion liquid in a beaker for 3 hours at normal temperature to obtain the nano Al2O3With CaCO3And (3) dispersing the mixture.
2. Preparing the anti-skid coating:
dissolving 30wt% of waterborne polyurethane modified epoxy resin, and sequentially heating and stirring 10wt% of nano Al in a water bath at 65 DEG C2O3With CaCO3Adding the dispersion liquid and 25wt% of fluff powder into the resin solution, and dispersing for 30min to obtain a component A solution; diluting 30wt% of polyamide curing agent in acetone, adding 1wt% of defoaming agent and 1wt% of flatting agent under the condition of electric stirring, and stirring for 30min to obtain a component B solution; taking 6g of the component A solution, heating in a water bath at 65 ℃, stirring, dripping 10wt% of the component B solution, and dispersing for 30min to obtain the anti-skid coating.
3. Preparing a coating type antiskid paper sliding plate:
selecting 300g/m2The craft paper with smooth surface is cut into A4 size, fixed by a clamp, 0.12g of anti-slip coating is evenly coated on the position 1cm below a line bar in a dripping mode, and then the line bar is pulled at constant speed and pressure; and (4) drying the obtained product by hot air at 50 ℃ for 4 minutes to obtain the antiskid paper sliding plate.
Example two:
1. nano Al2O3With CaCO3Preparation of the dispersion:
mixing 6 parts of nano Al2O3Dispersing in absolute ethyl alcohol/water mixed solution (the mass ratio of the two is 1: 1), simultaneously adding 5wt% of gamma-aminopropyltriethoxysilane into deionized water, adjusting the pH to about 3 with glacial acetic acid, mixing the two in a dropwise manner under the conditions of constant temperature heating at 70 ℃ and magnetic stirring, and fully reacting for 4 hours to obtain the nano Al2O3A dispersion liquid; mixing 6 parts of nano CaCO3Dispersing in deionized water, stirring, adding 5wt% sodium stearate, and reacting at 60 deg.C for 2 hr to obtain nanometer CaCO3DispersingLiquid; respectively taking 8 parts of nano Al2O3Dispersion and nano CaCO3Stirring the dispersion liquid in a beaker for 3 hours at normal temperature to obtain the nano Al2O3With CaCO3And (3) dispersing the mixture.
2. Preparing the anti-skid coating:
dissolving 40wt% of waterborne polyurethane modified epoxy resin, and sequentially heating and stirring 12wt% of nano Al in a water bath at 70 DEG C2O3With CaCO3Adding the dispersion liquid and 28wt% of fluff powder into the resin solution, and dispersing for 1h to obtain a component A solution; diluting 40wt% of polyamide curing agent in acetone, adding 1wt% of defoaming agent and 1wt% of flatting agent under the condition of electric stirring, and stirring for 1h to obtain a component B solution; taking 8g of the component A solution, heating and stirring in a water bath at 70 ℃, dropwise adding 30wt% of the component B solution, and dispersing for 1h to obtain the anti-skid coating.
3. Preparing a coating type antiskid paper sliding plate:
selecting 400g/m2The craft paper with smooth surface is cut into A4 size, fixed by a clamp, 0.24g of anti-slip coating is evenly coated on the position 1cm below a line bar in a dripping mode, and then the line bar is pulled at constant speed and pressure; and (3) drying the obtained product by hot air at the temperature of 60 ℃ for 6 minutes to obtain the antiskid paper sliding plate.
Example three:
1. nano Al2O3With CaCO3Preparation of the dispersion:
10 portions of nano Al2O3Dispersing in absolute ethyl alcohol/water mixed solution (the mass ratio of the two is 1: 1), simultaneously adding 8wt% of gamma-aminopropyltriethoxysilane into deionized water, adjusting the pH to about 3 with glacial acetic acid, dropwise adding the two, heating at a constant temperature of 75 ℃ and mixing under magnetic stirring, and fully reacting for 5h to obtain the nano Al2O3A dispersion liquid; 10 parts of nano CaCO3Dispersing in deionized water, stirring, adding 10wt% sodium stearate, and reacting at 70 deg.C for 4 hr to obtain nanometer CaCO3A dispersion liquid; respectively taking 10 parts of nano Al2O3Dispersion and nano CaCO3Stirring the dispersion liquid in a beaker at normal temperature for 4h to obtain the nano Al2O3With CaCO3And (3) dispersing the mixture.
2. Preparing the anti-skid coating:
dissolving 50wt% of waterborne polyurethane modified epoxy resin, and sequentially heating and stirring 15wt% of nano Al in a water bath at 75 DEG C2O3With CaCO3Adding the dispersion liquid and 30wt% of fluff powder into the resin solution, and dispersing for 1.5h to obtain a component A solution; diluting 50wt% of polyamide curing agent in acetone, adding 2wt% of defoaming agent and 2wt% of flatting agent under the condition of electric stirring, and stirring for 1h to obtain a component B solution; taking 12g of the component A solution, heating and stirring in a water bath at 75 ℃, dripping 40wt% of the component B solution, and dispersing for 1h to obtain the anti-skid coating.
3. Preparing a coating type antiskid paper sliding plate:
500g/m is selected2The craft paper with smooth surface is cut into A4 size, fixed by a clamp, 0.36g of anti-slip coating is evenly coated on the position 1cm below a line bar in a dripping mode, and then the line bar is pulled at constant speed and pressure; and (4) drying the obtained product by hot air at 70 ℃ for 8 minutes to obtain the antiskid paper sliding plate.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The two-component coating type anti-slip coating is characterized by comprising an A component solution and a B component solution, wherein the A component solution comprises the following components in percentage by weight: 30-50% of waterborne polyurethane modified epoxy resin and nano Al2O3With CaCO310-15% of dispersion liquid, 25-30% of fluff powder and the balance of water; the component B solution comprises the following components in percentage by weight: 30-50% of polyamide curing agent, 1-2% of defoaming agent, 1-2% of flatting agent and the balance of water.
2. The two-component coating type non-slip coating material according to claim 1, wherein the non-slip coating material comprises a solution of component A and a solution of component BThe component A solution consists of the following components in percentage by weight: 30% of waterborne polyurethane modified epoxy resin and nano Al2O3With CaCO310% of dispersion liquid, 25% of fluff powder and the balance of water; the component B solution comprises the following components in percentage by weight: 30% of polyamide curing agent, 1% of defoaming agent, 1% of flatting agent and the balance of water.
3. The two-component coating type anti-slip coating material according to claim 1, wherein the anti-slip coating material is composed of a component A solution and a component B solution, and the component A solution is composed of the following components in percentage by weight: 50% of waterborne polyurethane modified epoxy resin and nano Al2O3With CaCO315% of dispersion liquid, 30% of fluff powder and the balance of water; the component B solution comprises the following components in percentage by weight: 50% of polyamide curing agent, 2% of defoaming agent, 2% of flatting agent and the balance of water.
4. The two-component coating type anti-slip coating material according to claim 1, wherein the anti-slip coating material is composed of a component A solution and a component B solution, and the component A solution is composed of the following components in percentage by weight: 40% of waterborne polyurethane modified epoxy resin and nano Al2O3With CaCO313% of dispersion liquid, 27% of fluff powder and the balance of water; the component B solution comprises the following components in percentage by weight: 40% of polyamide curing agent, 1.5% of defoaming agent, 1.5% of flatting agent and the balance of water.
5. A method for preparing the two-component coating type non-slip coating material according to claims 1 to 4, comprising the steps of:
step S1: mixing nano Al2O3Dispersing in absolute ethyl alcohol, adding gamma-aminopropyltriethoxysilane into deionized water, adjusting pH to 3 with glacial acetic acid, mixing the two solutions by dropwise adding under constant temperature heating and magnetic stirring, and reacting to obtain nanometer Al2O3A dispersion liquid;
step S2: mixing nano CaCO3Dispersing in deionized water, stirring, adding sodium stearate, and reacting to obtain nanometer CaCO3A dispersion liquid; taking nano Al2O3Dispersion and nano CaCO3Stirring the dispersion in a beaker at normal temperature to obtain nano Al2O3With CaCO3A dispersion liquid;
step S3: dissolving the waterborne polyurethane modified epoxy resin, and sequentially heating and stirring the nano Al in water bath2O3With CaCO3Adding the dispersion liquid and the fully ground fluff powder into the solution, and uniformly dispersing to obtain a component A solution;
step S4: diluting a polyamide curing agent in acetone, adding a defoaming agent and a flatting agent under the condition of electric stirring, and uniformly stirring to obtain a component B solution;
step S5: and (3) taking the component solution A, heating in a water bath, stirring, dripping the component solution B, and uniformly dispersing to obtain the anti-skid coating.
6. The method of claim 5, wherein in step S1, the nano Al is prepared2O3When dispersed, the nano Al2O3The dosage is 3-10 parts, and the dosage of the gamma-methacryloxypropyltrimethoxysilane is the nano Al2O32-8 wt%, and the mass ratio of the absolute ethyl alcohol to the water in a mixed system is 1: 1; the temperature of magnetic stirring is set to be 65-75 ℃, and the stirring time is 3-5 h.
7. The method as claimed in claim 6, wherein the step S2 is carried out by preparing nano CaCO 23When dispersed, the nano CaCO3The dosage of the sodium stearate is 2-10 parts, and the dosage of the sodium stearate is the nano CaCO33-10 wt%, the temperature of magnetic stirring is 50-70 ℃, and the reaction time is 1-4 h; preparation of nano Al2O3With CaCO3When dispersed, the nano Al2O3Dispersion and nano CaCO3The mass ratio of the dispersion liquid is 1: 1, the nano Al2O3The using amount of the dispersion liquid is 5-10 parts, and the nano CaCO3The using amount of the dispersion liquid is 5-10 parts, and the stirring time is 2-4 hours.
8. The method of claim 7, wherein in step S3, the amount of the polyurethane-modified epoxy resin is 30wt% to 50wt%, the amount of the fluff powder is 25wt% to 30wt%, and the nano Al is added2O3With CaCO310-15 wt% of dispersion liquid and the balance of water; the temperature of the water bath heating is 65-75 ℃, the stirring speed is 3000r/min, and the stirring time is 0.5-1.5 h.
9. The method of claim 8, wherein in step S4, the amount of the polyamide curing agent is 30wt% to 50wt%, the defoaming agent is 1wt% to 2wt%, the leveling agent is 1wt% to 2wt%, and the balance is water; the electric stirring speed is 3500r/min, and the stirring time is 0.5-1 h.
10. The method of claim 9, wherein in step S5, the amount of the component a solution is 6g to 12g, the amount of the component B solution is 10wt% to 40wt% of the component a solution, the temperature of water bath heating is 65 ℃ to 75 ℃, the stirring speed is 3000r/min, and the stirring time is 0.5h to 1.5 h.
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