CN112694575A - Waterproof coating for textile and preparation process thereof - Google Patents
Waterproof coating for textile and preparation process thereof Download PDFInfo
- Publication number
- CN112694575A CN112694575A CN202011546689.XA CN202011546689A CN112694575A CN 112694575 A CN112694575 A CN 112694575A CN 202011546689 A CN202011546689 A CN 202011546689A CN 112694575 A CN112694575 A CN 112694575A
- Authority
- CN
- China
- Prior art keywords
- coating
- waterproof coating
- solution
- parts
- textiles
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000576 coating method Methods 0.000 title claims abstract description 47
- 239000011248 coating agent Substances 0.000 title claims abstract description 45
- 239000004753 textile Substances 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 125000000129 anionic group Chemical group 0.000 claims abstract description 21
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims abstract description 16
- 239000000178 monomer Substances 0.000 claims abstract description 13
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 12
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims abstract description 10
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims abstract description 9
- QZPSOSOOLFHYRR-UHFFFAOYSA-N 3-hydroxypropyl prop-2-enoate Chemical compound OCCCOC(=O)C=C QZPSOSOOLFHYRR-UHFFFAOYSA-N 0.000 claims abstract description 6
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 6
- 239000003945 anionic surfactant Substances 0.000 claims abstract description 6
- RSKGMYDENCAJEN-UHFFFAOYSA-N hexadecyl(trimethoxy)silane Chemical compound CCCCCCCCCCCCCCCC[Si](OC)(OC)OC RSKGMYDENCAJEN-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000002736 nonionic surfactant Substances 0.000 claims abstract description 6
- HMMGMWAXVFQUOA-UHFFFAOYSA-N octamethylcyclotetrasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 HMMGMWAXVFQUOA-UHFFFAOYSA-N 0.000 claims abstract description 6
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 15
- 239000008367 deionised water Substances 0.000 claims description 15
- 229910021641 deionized water Inorganic materials 0.000 claims description 15
- 239000000839 emulsion Substances 0.000 claims description 15
- 229910052710 silicon Inorganic materials 0.000 claims description 15
- 239000010703 silicon Substances 0.000 claims description 15
- 239000000243 solution Substances 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 15
- 239000007864 aqueous solution Substances 0.000 claims description 10
- 238000000498 ball milling Methods 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 10
- 239000002002 slurry Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 5
- 239000002518 antifoaming agent Substances 0.000 claims description 5
- 239000002270 dispersing agent Substances 0.000 claims description 5
- 238000001704 evaporation Methods 0.000 claims description 5
- 239000011259 mixed solution Substances 0.000 claims description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- 229910052726 zirconium Inorganic materials 0.000 claims description 5
- 239000005871 repellent Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 3
- 239000013043 chemical agent Substances 0.000 claims 1
- 238000004132 cross linking Methods 0.000 abstract description 8
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000002474 experimental method Methods 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 238000005336 cracking Methods 0.000 abstract description 3
- 239000003999 initiator Substances 0.000 abstract description 3
- 229920005989 resin Polymers 0.000 abstract description 3
- 239000011347 resin Substances 0.000 abstract description 3
- 239000004744 fabric Substances 0.000 description 4
- 238000005187 foaming Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 2
- KEQXNNJHMWSZHK-UHFFFAOYSA-L 1,3,2,4$l^{2}-dioxathiaplumbetane 2,2-dioxide Chemical compound [Pb+2].[O-]S([O-])(=O)=O KEQXNNJHMWSZHK-UHFFFAOYSA-L 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 125000001165 hydrophobic group Chemical group 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/12—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention relates to the technical field of waterproof coatings, in particular to a waterproof coating for textiles and a preparation process thereof, wherein the preparation of the waterproof coating needs chemical reagents according to parts by weight, and the preparation process comprises the following steps: hexadecyl trimethoxy silane, methyl triethoxy silane, octamethylcyclotetrasiloxane, potassium hydroxide, silane coupling agent, anionic/nonionic surfactant, butyl acrylate, butyl methacrylate, methyl methacrylate, styrene, hydroxypropyl acrylate and ammonium persulfate. In the embodiment, the resins are subjected to a crosslinking reaction under the action of an initiator to form a complex network structure, so that the crosslinking degree is improved, the structure of the coating is finally more compact, and the performances such as hardness, adhesion and the like are optimized; butyl acrylate and butyl methacrylate used in the experiment are soft monomers, so that the flexibility of the coating can be improved, and the phenomenon of cracking of the coating at low temperature is avoided.
Description
Technical Field
The invention relates to the technical field of waterproof coatings, in particular to a waterproof coating for textiles and a preparation process thereof.
Background
Clothes, shoes, gloves, and the like, which are common daily goods, are mostly made of fabric. Muddy water of automobile flying petals can pollute clothes and shoes which are just washed, and ice water in winter can infiltrate warm gloves. In the face of the above problems, the fabric seems to become impatient. This is because most of fabrics, such as silk products, hemp products, cotton fabrics, etc., have hydrophilic properties due to a large amount of hydrophilic groups on the surface, and it is necessary for skilled persons to develop waterproof coating products in view of the above problems.
Disclosure of Invention
The invention provides a waterproof coating for textiles and a preparation process thereof, aiming at solving the problem that textiles in the prior art are easily wetted by water.
In order to solve the technical problems, the invention adopts the following technical scheme:
a waterproof coating for textiles, which requires chemical reagents in parts by weight for the preparation of the waterproof coating, comprises:
a preparation process of a waterproof coating for textiles comprises the following steps:
s1, adding an anionic/nonionic surfactant into a three-neck flask, then sequentially adding deionized water and a proper amount of potassium hydroxide solution, and uniformly stirring for 15-20 min at room temperature to uniformly mix;
s2, evaporating and condensing the solution in the step S1, wherein the heating temperature is 65-75 ℃;
s3, dropwise adding a mixed solution of octamethylcyclotetrasiloxane, methyltriethoxysilane and hexadecyl trimethoxy silane into the solution obtained in the step S2 at a constant speed, reacting at a constant temperature for 8-10 h after the dropwise adding is finished, finally adding a silane coupling agent, and reacting at a constant temperature for 1-2 h to obtain an anionic organic silicon emulsion;
s4, adding anionic organic silicon emulsion and deionized water into a four-neck flask, heating and stirring to fully dissolve the anionic organic silicon emulsion in the deionized water;
s5, weighing monomers of butyl methacrylate, butyl acrylate, methyl methacrylate, styrene and hydroxypropyl acrylate, and uniformly mixing in a beaker for later use;
s6, raising the temperature of the solution in the four-neck flask to 80-85 ℃, adding the mixed monomer in the step S5, then slowly dropping an aqueous solution of ammonium persulfate, and continuously reacting for 10-15 minutes;
s7, stirring and cooling to 40-50 ℃, and filtering a product by using gauze;
s8, mixing the product obtained in the step S7, a dispersing agent, a defoaming agent and water-based TiO2And adding zirconium balls into the ball milling tank, ball milling to a standard fineness, and filtering to obtain white uniform slurry.
Preferably, the aqueous solution of ammonium persulfate contains ammonium persulfate in an amount of 10 wt%.
Preferably, the pH of the slurry obtained in S8 is controlled to 6.5 to 8.5.
Preferably, 3 to 8 parts by weight of potassium hydroxide solution are added.
The invention adopts the waterproof coating for the textile and the preparation process thereof, and has the following beneficial effects: in the embodiment, the resins are subjected to a crosslinking reaction under the action of an initiator to form a complex network structure, so that the crosslinking degree is improved, the structure of the coating is finally more compact, and the performances such as hardness, adhesion and the like are optimized; butyl acrylate and butyl methacrylate used in the experiment are soft monomers, so that the flexibility of the coating can be improved, and the phenomenon of cracking of the coating at low temperature is avoided.
Detailed Description
Preparation and Performance characterization of the Water repellent coating
In order to avoid the influence of impurities remaining on the surface of the substrate on various performances of the coating, the glass slide is wiped clean by absolute ethyl alcohol, and after the glass slide is dried in the air, the adjusted waterproof coating is uniformly coated on the surface of the glass slide by a wire rod. Airing for a period of time at room temperature, putting the mixture into an oven, baking and curing at a certain temperature, taking out and cooling, and performing performance test for later use.
1. Gloss: measuring the sample plate by using a KGZ-60 type gloss meter;
2. adhesion force: based on GB/T1720-1979, detecting the coating by a circle drawing method, and judging whether the coating is qualified or not according to the detected grade;
3. water resistance: based on GB/T1773-1979, the sample plate is soaked in water, and after the specified number of days, if the surface layer has no phenomena such as extinction, shedding or foaming, the sample plate is qualified;
4. flexibility: testing the flexibility of the waterproof coating based on GB/T1731-1979;
5. hardness: hardness the hardness of the sample waterproof coating was determined based on GB/T6739-2006.
Example 1
Example 1 discloses a waterproof coating for textiles, which requires the following chemical reagents in parts by weight:
a preparation process of a waterproof coating for textiles comprises the following steps:
s1, adding 5 parts of anionic/nonionic surfactant into a three-neck flask, then sequentially adding deionized water and 3 parts of a proper amount of potassium hydroxide solution, and uniformly stirring for 15min at room temperature to uniformly mix;
s2, evaporating and condensing the solution in the step S1, wherein the heating temperature is 65 ℃;
s3, dropwise adding a mixed solution of 5 parts of octamethylcyclotetrasiloxane, 12 parts of methyltriethoxysilane and 11 parts of hexadecyl trimethoxy silane into the solution obtained in the step S2 at a constant speed, reacting at a constant temperature for 8 hours after the dropwise adding is finished, finally adding 4 parts of silane coupling agent, and reacting at a constant temperature for 1 hour to obtain an anionic organic silicon emulsion;
s4, adding anionic organic silicon emulsion and deionized water into a four-neck flask, heating and stirring to fully dissolve the anionic organic silicon emulsion in the deionized water;
s5, weighing 16 parts of monomer butyl methacrylate, 23 parts of butyl acrylate, 4 parts of methyl methacrylate, 3 parts of styrene and 6 parts of hydroxypropyl acrylate in a beaker, and uniformly mixing for later use;
s6, raising the temperature of the solution in the four-neck flask to 80 ℃, adding the mixed monomer in the step S5, then slowly dropping 2 parts of aqueous solution of ammonium persulfate, and continuously reacting for 10 min; wherein, the ammonium persulfate accounts for 10 wt% in the aqueous solution of ammonium persulfate;
s7, stirring and cooling to 40 ℃, and filtering a product by using gauze;
s8, mixing the product obtained in the step S7, a dispersing agent, a defoaming agent and water-based TiO2And adding zirconium balls into the ball milling tank, ball milling to a standard fineness, and filtering to obtain uniform slurry, wherein the pH of the obtained slurry is controlled at 6.5.
Example 2
Example 2 discloses a waterproof coating for textiles, which requires the following chemical reagents in parts by weight:
a preparation process of a waterproof coating for textiles comprises the following steps:
s1, adding an anionic/nonionic surfactant into a three-neck flask, then sequentially adding deionized water and 5 parts of a proper amount of potassium hydroxide solution, and uniformly stirring at room temperature for 18min to uniformly mix;
s2, evaporating and condensing the solution in the step S1, wherein the heating temperature is 70 ℃;
s3, dropwise adding a mixed solution of 7 parts of octamethylcyclotetrasiloxane, 13 parts of methyltriethoxysilane and 15 parts of hexadecyl trimethoxysilane into the solution in the step S2 at a constant speed, reacting at a constant temperature for 9 hours after the dropwise adding is finished, finally adding 4.5 parts of silane coupling agent, and reacting at a constant temperature for 1.5 hours to obtain an anionic organic silicon emulsion;
s4, adding anionic organic silicon emulsion and deionized water into a four-neck flask, heating and stirring to fully dissolve the anionic organic silicon emulsion in the deionized water;
s5, weighing 22 parts of monomer butyl methacrylate, 28 parts of butyl acrylate, 7 parts of methyl methacrylate, 6 parts of styrene and 14 parts of hydroxypropyl acrylate in a beaker, and uniformly mixing for later use;
s6, raising the temperature of the solution in the four-neck flask to 82 ℃, adding the mixed monomer in the step S5, then slowly dropping 3 parts of aqueous solution of ammonium persulfate, and continuously reacting for 13 minutes; wherein, the ammonium persulfate accounts for 10 wt% in the aqueous solution of ammonium persulfate;
s7, stirring and cooling to 45 ℃, and filtering a product by using gauze;
s8, mixing the product obtained in the step S7, a dispersing agent, a defoaming agent and water-based TiO2And adding zirconium balls into a ball milling tank, ball milling to a standard fineness, and filtering to obtain uniform slurry, wherein the pH of the obtained slurry is controlled at 7.
Example 3
Example 3 discloses a waterproof coating for textiles, which requires the following chemical reagents in parts by weight:
a preparation process of a waterproof coating for textiles comprises the following steps:
s1, adding 10 parts of anionic/nonionic surfactant into a three-neck flask, then sequentially adding deionized water and 8 parts of a proper amount of potassium hydroxide solution, and uniformly stirring at room temperature for 20min to uniformly mix;
s2, evaporating and condensing the solution in the step S1, wherein the heating temperature is 75 ℃;
s3, dropwise adding a mixed solution of 8 parts of octamethylcyclotetrasiloxane, 15 parts of methyltriethoxysilane and 18 parts of hexadecyl trimethoxy silane into the solution obtained in the step S2 at a constant speed, reacting at a constant temperature for 10 hours after the dropwise adding is finished, finally adding 5 parts of silane coupling agent, and reacting at a constant temperature for 2 hours to obtain an anionic organic silicon emulsion;
s4, adding anionic organic silicon emulsion and deionized water into a four-neck flask, heating and stirring to fully dissolve the anionic organic silicon emulsion in the deionized water;
s5, weighing 24 parts of monomer butyl methacrylate, 30 parts of butyl acrylate, 10 parts of methyl methacrylate, 9 parts of styrene and 16 parts of hydroxypropyl acrylate in a beaker, and uniformly mixing for later use;
s6, raising the temperature of the solution in the four-neck flask to 85 ℃, adding the mixed monomer in the step S5, then slowly dropping 4 parts of aqueous solution of ammonium persulfate, and continuously reacting for 15 minutes; wherein, the ammonium persulfate accounts for 10 wt% in the aqueous solution of ammonium persulfate;
s7, stirring and cooling to 50 ℃, and filtering a product by using gauze;
s8, mixing the product obtained in the step S7, a dispersing agent, a defoaming agent and water-based TiO2And adding zirconium balls into the ball milling tank, ball milling to a standard fineness, and filtering to obtain white uniform slurry. Wherein the pH of the resulting slurry is controlled to 8.
Results of the experiment
| Test items | Example 1 | Example 2 | Example 3 |
| Degree of gloss | Milky white and blueLight is not obvious | Milk white and blue light are obvious | Milky white and blue light is not obvious |
| Hardness of | 1H | 3H | 1H |
| Adhesion/grade | 1 | 2 | 1 |
| Water resistance/(7 d) | Slight foaming | Qualified | Slight foaming |
| Flexibility/mm | 1 | 2 | 1 |
| Contact Angle/(°) | 120 | 130 | 118 |
From the experimental results, it can be seen that example 2 is the optimum formulation in the present invention, and that the gloss, hardness, adhesion, water resistance, flexibility and contact angle in example 2 are the best in 3 examples.
In the embodiment, the resins are subjected to a crosslinking reaction under the action of an initiator to form a complex network structure, so that the crosslinking degree is improved, the structure of the coating is finally more compact, and the performances such as hardness, adhesion and the like of the coating are optimized.
Butyl acrylate and butyl methacrylate used in the experiment are soft monomers, so that the flexibility of the coating can be improved, and the phenomenon of cracking of the coating at low temperature is avoided.
The contact angle, the hardness, the water resistance and the adhesive force of the coating are all improved along with the increase of the curing temperature, when the temperature reaches 82 ℃, all the performances of the coating are optimal, and when the temperature continues to increase, all the performances of the coating are reduced.
When the curing temperature is lower, the crosslinking reaction is insufficient, the comprehensive performance is poorer, the temperature is raised, the crosslinking degree is favorably improved, the hydrophobic group migration surface is favorably improved, the waterproof performance of the coating is further improved, the comprehensive performance is gradually improved, the overhigh temperature can cause the spreading waste of energy, the appearance of the coating is yellowed, and the overall performance is poorer.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A waterproof coating for textiles, characterized in that the preparation of the waterproof coating requires chemical agents in parts by weight, comprising:
2. a preparation process of a waterproof coating for textiles is characterized by comprising the following steps:
s1, adding an anionic/nonionic surfactant into a three-neck flask, then sequentially adding deionized water and a proper amount of potassium hydroxide solution, and uniformly stirring for 15-20 min at room temperature to uniformly mix;
s2, evaporating and condensing the solution in the step S1, wherein the heating temperature is 65-75 ℃;
s3, dropwise adding a mixed solution of octamethylcyclotetrasiloxane, methyltriethoxysilane and hexadecyl trimethoxy silane into the solution obtained in the step S2 at a constant speed, reacting at a constant temperature for 8-10 h after the dropwise adding is finished, finally adding a silane coupling agent, and reacting at a constant temperature for 1-2 h to obtain an anionic organic silicon emulsion;
s4, adding anionic organic silicon emulsion and deionized water into a four-neck flask, heating and stirring to fully dissolve the anionic organic silicon emulsion in the deionized water;
s5, weighing monomers of butyl methacrylate, butyl acrylate, methyl methacrylate, styrene and hydroxypropyl acrylate, and uniformly mixing in a beaker for later use;
s6, raising the temperature of the solution in the four-neck flask to 80-85 ℃, adding the mixed monomer in the step S5, then slowly dropping an aqueous solution of ammonium persulfate, and continuously reacting for 10-15 minutes;
s7, stirring and cooling to 40-50 ℃, and filtering a product by using gauze;
s8, mixing the product obtained in the step S7, a dispersing agent, a defoaming agent and water-based TiO2And adding zirconium balls into the ball milling tank, ball milling to a standard fineness, and filtering to obtain white uniform slurry.
3. A process for preparing a water-repellent coating for textiles as claimed in claim 2, characterised in that ammonium persulfate in aqueous solution of ammonium persulfate accounts for more than 10% by weight.
4. The process for preparing a waterproof coating for textiles according to claim 2, wherein the pH of the slurry obtained in S8 is controlled to 6.5 to 8.5.
5. The process for preparing a waterproof coating for textiles according to claim 2, wherein 3 to 8 parts by weight of potassium hydroxide solution is added.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011546689.XA CN112694575A (en) | 2020-12-23 | 2020-12-23 | Waterproof coating for textile and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011546689.XA CN112694575A (en) | 2020-12-23 | 2020-12-23 | Waterproof coating for textile and preparation process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112694575A true CN112694575A (en) | 2021-04-23 |
Family
ID=75509627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011546689.XA Pending CN112694575A (en) | 2020-12-23 | 2020-12-23 | Waterproof coating for textile and preparation process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112694575A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103819605A (en) * | 2014-03-12 | 2014-05-28 | 东华大学 | Preparation method for waterproof acrylic ester emulsion finishing agent |
| CN109054570A (en) * | 2018-07-18 | 2018-12-21 | 陕西科技大学 | A kind of environment protection type high-strength elastic coating and preparation method thereof |
| CN109591406A (en) * | 2018-12-27 | 2019-04-09 | 浙江东进新材料有限公司 | A kind of waterproof moisture-permeable composite fabric |
| CN109680522A (en) * | 2019-01-11 | 2019-04-26 | 辽东学院 | A kind of research of silicone modified coating printing paste used for textiles and preparation method |
| CN111285981A (en) * | 2020-03-24 | 2020-06-16 | 佛山祺祥合成材料有限公司 | Organosilicon modified acrylic emulsion and preparation method thereof |
-
2020
- 2020-12-23 CN CN202011546689.XA patent/CN112694575A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103819605A (en) * | 2014-03-12 | 2014-05-28 | 东华大学 | Preparation method for waterproof acrylic ester emulsion finishing agent |
| CN109054570A (en) * | 2018-07-18 | 2018-12-21 | 陕西科技大学 | A kind of environment protection type high-strength elastic coating and preparation method thereof |
| CN109591406A (en) * | 2018-12-27 | 2019-04-09 | 浙江东进新材料有限公司 | A kind of waterproof moisture-permeable composite fabric |
| CN109680522A (en) * | 2019-01-11 | 2019-04-26 | 辽东学院 | A kind of research of silicone modified coating printing paste used for textiles and preparation method |
| CN111285981A (en) * | 2020-03-24 | 2020-06-16 | 佛山祺祥合成材料有限公司 | Organosilicon modified acrylic emulsion and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110078867B (en) | Core-shell pure acrylic emulsion for exterior wall coating and preparation method and application thereof | |
| CN103289031B (en) | High-transparency super-hydrophobicity coating material and application thereof | |
| CN1322069C (en) | Emulsion and coated product thereof | |
| CN104894841A (en) | Color-deepening finishing agent for dyed polyester textiles | |
| CN110452361B (en) | Synthetic method of polyurethane acrylic acid modified organic silicon fluoride-free waterproof agent and waterproof agent | |
| CN110484065A (en) | A kind of preparation method of the super-amphiphobic coating suitable for various soft hard substrates based on fluorided silica silicon particle | |
| CN111269657A (en) | Organic silicon wear-resistant hardening coating, preparation method and plastic treatment method | |
| CN108219652A (en) | A kind of aqueous double-component finishing coat and preparation method thereof | |
| CN111410722A (en) | Powder-free glove offline coating agent containing modified acrylate and modified acrylate | |
| CN105862476A (en) | Formaldehyde-free activated dye color fixing agent and preparation method thereof | |
| CN109680522A (en) | A kind of research of silicone modified coating printing paste used for textiles and preparation method | |
| CN112940170A (en) | Real stone paint emulsion and preparation method thereof | |
| CN110627973B (en) | Modified organosilicon waterproofing agent and preparation method and application thereof | |
| CN114044861B (en) | Polyurethane modified acrylic ester pigment printing adhesive for polyester oxford fabric and preparation method thereof | |
| CN109776721B (en) | Organic silicon fabric finishing agent and preparation method thereof | |
| CN107700214B (en) | Efficient fluorine-free water repellent containing telechelic polymer and preparation method thereof | |
| CN114044847A (en) | High-water-resistance and stain-resistant acrylate emulsion and preparation method thereof | |
| CN109575714A (en) | A kind of preparation method based on the silane coupler modified long-acting durable anti-fog coating of hydrophily | |
| CN112694575A (en) | Waterproof coating for textile and preparation process thereof | |
| CN111848857B (en) | Resin pore-forming agent for antireflection coating liquid, preparation method thereof and antireflection coating liquid | |
| CN1217360A (en) | Process for preparing organosilicon modified propenoic acid emulsion paint | |
| CN108867033B (en) | Modified SiO of cotton fabric2Sol super-hydrophobic finishing agent, preparation method thereof and preparation method of super-hydrophobic cotton fabric | |
| CN117186768A (en) | Preparation method and application of self-repairing fluorine-free PDMS/Si-Me super-hydrophobic coating | |
| CN105131805B (en) | A kind of aqueous heat curing type PC special coatings of automotive trim and preparation method thereof | |
| CN107286786A (en) | It is a kind of that water-fast anti-fog coating that nano-titanium oxide is modified and preparation method thereof is coated based on thymol |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210423 |