CN109881481B - Waterproof fabric - Google Patents
Waterproof fabric Download PDFInfo
- Publication number
- CN109881481B CN109881481B CN201910097989.5A CN201910097989A CN109881481B CN 109881481 B CN109881481 B CN 109881481B CN 201910097989 A CN201910097989 A CN 201910097989A CN 109881481 B CN109881481 B CN 109881481B
- Authority
- CN
- China
- Prior art keywords
- super
- hydrophobic coating
- silicone rubber
- fabric
- rubber
- 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.)
- Active
Links
Landscapes
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to the technical field of fabrics, in particular to a waterproof fabric, wherein a super-hydrophobic coating is coated on the surface of the fabric, the super-hydrophobic coating is formed by curing a super-hydrophobic coating, and the super-hydrophobic coating comprises water-based polyacrylate, a reactive diluent monomer, nano silicon rubber, a photoinitiator, a leveling agent, an antifoaming agent and water. The specially-made nano silicone rubber has better suspension property in the coating, the fabric is soaked in the coating and is taken out for UV curing, the water-based polyacrylate, the active diluent monomer and the nano silicone rubber can be crosslinked, a super-hydrophobic coating with a rough micro-nano structure surface is formed on the surface of the fabric, the static contact angle is more than 150 degrees, the rolling angle is less than 10 degrees, and the strength of the fabric is effectively improved.
Description
Technical Field
The invention relates to the technical field of fabrics, in particular to a waterproof fabric.
Background
The superhydrophobic property is a special state of the wettability of the surface of an object, and in general, the surface with a static contact angle of more than 150 degrees and a rolling angle of less than 10 degrees is collectively called the superhydrophobic surface. People find the super-hydrophobic effect from the phenomena that lotus leaves are not sticky with water in nature, the water strider can walk on water and the like, and try to apply the effect to life and production. The artificial super-hydrophobic surface has self-cleaning property, corrosion resistance, anti-icing property, flow resistance reduction property and the like, and has strong practical application significance.
With the development of science and technology and the continuous improvement of living standard, people's requirements on fabrics are not limited to warm keeping, comfort and the like, and the fabrics are also required to have more functions.
Disclosure of Invention
In order to overcome the disadvantages and shortcomings of the prior art, the present invention aims to provide a waterproof fabric having super-hydrophobic properties.
The purpose of the invention is realized by the following technical scheme:
the waterproof fabric is characterized in that the surface of the fabric is coated with a super-hydrophobic coating, the super-hydrophobic coating is formed by curing a super-hydrophobic coating, and the super-hydrophobic coating comprises the following raw materials in parts by weight:
wherein each part by weight of the nano silicon rubber is prepared from the following raw materials in parts by weight:
the structural formulas of the methyl vinyl silicone rubber A and the methyl vinyl silicone rubber B are as follows:
wherein the chain number alpha of the methyl vinyl silicone rubber A is 5000-6000, beta is 300-400;
wherein the chain number alpha of the methyl vinyl silicone rubber B is 3000-4000, beta is 150-250.
The principle of super-hydrophobicity is that the surface of the fiber is of a rough micro-nano structure, so that water drops are not easy to spread, and a contact angle of more than 150 degrees can be achieved; at present, fibers are modified by adopting a nano silicon dioxide coating, but the curing process of endowing the fabric with super-hydrophobicity is very complicated due to the self-aggregation property of nano inorganic matters and low compatibility with polymers, and the prepared coating has poor water washing resistance.
The specially-made nano silicone rubber has better suspension property in the coating, the fabric is soaked in the coating and is taken out for UV curing, the water-based polyacrylate, the active diluent monomer and the nano silicone rubber can be crosslinked, a super-hydrophobic coating with a rough micro-nano structure surface is formed on the surface of the fabric, the static contact angle is more than 150 degrees, the rolling angle is less than 10 degrees, and the strength of the fabric is effectively improved.
Wherein the cross-linking agent is at least one of tetraethoxysilane, dimethyl diethoxysilane and methyl triethoxysilane. Preferably, the cross-linking agent consists of ethyl orthosilicate, dimethyl diethoxy silane and methyl triethoxysilane according to the weight ratio of 1-2:1-2:1-2, and the compound cross-linking agent can improve the molecular structure of the silicone rubber, so that the nano silicone rubber has better strength and better adhesive force to fabrics.
Wherein the catalyst is bismuth laurate.
The preparation method of the nano silicon rubber comprises the following steps: (1) mixing the methyl vinyl silicone rubber A and the methyl vinyl silicone rubber B, heating to 140 ℃, carrying out hot refining for 40-60min, then adding a cross-linking agent, an inhibitor and a catalyst, and carrying out banburying at the temperature of 60-70 ℃ for 30-50min to obtain rubber master batches; (2) and (3) crushing the rubber master batch into nano particles by using a jet mill to obtain the nano silicon rubber.
Wherein the particle size of the nano silicon rubber is 80-100 nm. When the particle size of the nano silicon rubber is 80-100nm, a super-hydrophobic coating with a rough micro-nano structure surface is formed, and the hydrophobic property of the fabric is improved.
Wherein the reactive diluent monomer is at least one of n-butyl methacrylate, lauryl methacrylate and pentaerythritol triacrylate. Preferably, the reactive diluent monomer consists of n-butyl methacrylate, lauryl methacrylate and pentaerythritol triacrylate in a weight ratio of 1:1-2:1-2, and the preferable compounded reactive diluent monomer has a good crosslinking and curing effect, so that the coating has super-hydrophobic property, more air holes, and the fabric has hydrophobicity and air permeability.
Wherein the photoinitiator is composed of photoinitiator 184 and photoinitiator TPO. Preferably, the photoinitiator consists of the photoinitiator 184 and the photoinitiator TPO according to the weight ratio of 1:1, and has the advantages of good photocuring speed, less defects of formed coatings, good mechanical properties and good waterproof and breathable properties.
Wherein the leveling agent is an acrylate leveling agent.
Wherein the defoaming agent is an organic silicon defoaming agent.
The preparation method of the super-hydrophobic coating comprises the following steps: mixing the above materials uniformly.
The invention has the beneficial effects that: the specially-made nano silicone rubber has better suspension property in the coating, the fabric is soaked in the coating and is taken out for UV curing, the water-based polyacrylate, the active diluent monomer and the nano silicone rubber can be crosslinked, a super-hydrophobic coating with a rough micro-nano structure surface is formed on the surface of the fabric, the static contact angle is more than 150 degrees, the rolling angle is less than 10 degrees, and the strength of the fabric can be effectively improved.
Detailed Description
The present invention will be further described with reference to the following examples for facilitating understanding of those skilled in the art, and the description of the embodiments is not intended to limit the present invention.
Example 1
The waterproof fabric is characterized in that the surface of the fabric is coated with a super-hydrophobic coating, the super-hydrophobic coating is formed by curing a super-hydrophobic coating, and the super-hydrophobic coating comprises the following raw materials in parts by weight:
wherein each part by weight of the nano silicon rubber is prepared from the following raw materials in parts by weight:
the structural formulas of the methyl vinyl silicone rubber A and the methyl vinyl silicone rubber B are as follows:
wherein the chain number alpha of the methylvinyl silicone rubber A is 5500, beta is 350;
wherein, the chain number alpha of the methyl vinyl silicone rubber B is 3500, and beta is 200.
Wherein the cross-linking agent consists of ethyl orthosilicate, dimethyl diethoxysilane and methyl triethoxysilane according to the weight ratio of 1:1: 1.
Wherein the catalyst is bismuth laurate.
The preparation method of the nano silicon rubber comprises the following steps: (1) mixing the methyl vinyl silicone rubber A and the methyl vinyl silicone rubber B, heating to 130 ℃, carrying out hot refining for 50min, then adding a cross-linking agent, an inhibitor and a catalyst, and carrying out banburying at the temperature of 65 ℃ for 40min to obtain rubber master batches; (2) and (3) crushing the rubber master batch into nano particles by using a jet mill to obtain the nano silicon rubber.
Wherein the particle size of the nano silicon rubber is 90 nm.
The active dilution monomer is composed of n-butyl methacrylate, lauryl methacrylate and pentaerythritol triacrylate according to the weight ratio of 1:1.5: 1.5.
Wherein the photoinitiator consists of a photoinitiator 184 and a photoinitiator TPO according to the weight ratio of 1:1.
Wherein the leveling agent is an acrylate leveling agent.
Wherein the defoaming agent is an organic silicon defoaming agent.
The preparation method of the super-hydrophobic coating comprises the following steps: mixing the above materials uniformly.
Example 2
The waterproof fabric is characterized in that the surface of the fabric is coated with a super-hydrophobic coating, the super-hydrophobic coating is formed by curing a super-hydrophobic coating, and the super-hydrophobic coating comprises the following raw materials in parts by weight:
wherein each part by weight of the nano silicon rubber is prepared from the following raw materials in parts by weight:
the structural formulas of the methyl vinyl silicone rubber A and the methyl vinyl silicone rubber B are as follows:
wherein the chain number alpha of the methylvinyl silicone rubber A is 5000, and beta is 300;
wherein, the chain number alpha of the methyl vinyl silicone rubber B is 3000, beta is 150.
Wherein the cross-linking agent consists of ethyl orthosilicate, dimethyl diethoxysilane and methyl triethoxysilane according to the weight ratio of 1:2: 2.
Wherein the catalyst is bismuth laurate.
The preparation method of the nano silicon rubber comprises the following steps: (1) mixing the methyl vinyl silicone rubber A and the methyl vinyl silicone rubber B, heating to 120 ℃, carrying out hot refining for 40min, then adding a cross-linking agent, an inhibitor and a catalyst, and carrying out banburying at the temperature of 60 ℃ for 30min to obtain rubber master batches; (2) and (3) crushing the rubber master batch into nano particles by using a jet mill to obtain the nano silicon rubber.
Wherein the particle size of the nano silicon rubber is 80 nm.
The active dilution monomer is composed of n-butyl methacrylate, lauryl methacrylate and pentaerythritol triacrylate according to the weight ratio of 1:1: 1.
Wherein the photoinitiator consists of a photoinitiator 184 and a photoinitiator TPO according to the weight ratio of 1:1.
Wherein the leveling agent is an acrylate leveling agent.
Wherein the defoaming agent is an organic silicon defoaming agent.
The preparation method of the super-hydrophobic coating comprises the following steps: mixing the above materials uniformly.
Example 3
The waterproof fabric is characterized in that the surface of the fabric is coated with a super-hydrophobic coating, the super-hydrophobic coating is formed by curing a super-hydrophobic coating, and the super-hydrophobic coating comprises the following raw materials in parts by weight:
wherein each part by weight of the nano silicon rubber is prepared from the following raw materials in parts by weight:
the structural formulas of the methyl vinyl silicone rubber A and the methyl vinyl silicone rubber B are as follows:
wherein the chain number alpha of the methylvinyl silicone rubber A is 6000, and beta is 400;
wherein, the chain number alpha of the methyl vinyl silicone rubber B is 4000, beta is 250.
Wherein the cross-linking agent consists of ethyl orthosilicate, dimethyl diethoxysilane and methyl triethoxysilane according to the weight ratio of 2:1: 1.
Wherein the catalyst is bismuth laurate.
The preparation method of the nano silicon rubber comprises the following steps: (1) mixing the methyl vinyl silicone rubber A and the methyl vinyl silicone rubber B, heating to 140 ℃, carrying out hot refining for 60min, then adding a cross-linking agent, an inhibitor and a catalyst, and carrying out banburying at the temperature of 70 ℃ for 50min to obtain rubber master batches; (2) and (3) crushing the rubber master batch into nano particles by using a jet mill to obtain the nano silicon rubber.
Wherein the particle size of the nano silicon rubber is 100 nm.
The active dilution monomer is composed of n-butyl methacrylate, lauryl methacrylate and pentaerythritol triacrylate according to the weight ratio of 1:2: 2.
Wherein the photoinitiator consists of a photoinitiator 184 and a photoinitiator TPO according to the weight ratio of 1:1.
Wherein the leveling agent is an acrylate leveling agent.
Wherein the defoaming agent is an organic silicon defoaming agent.
The preparation method of the super-hydrophobic coating comprises the following steps: mixing the above materials uniformly.
Comparative example 1
This comparative example differs from example 1 in that:
in the raw materials for preparing the nano silicon rubber, the same amount of methyl vinyl silicon rubber A is used for replacing the same amount of methyl vinyl silicon rubber B.
Comparative example 2
This comparative example differs from example 1 in that:
the nano silicon rubber is obtained by crushing commercially available conventional silicon rubber.
Comparative example 3
This comparative example differs from example 1 in that:
the reactive diluent monomer consists of methyl acrylate and tripropylene glycol diacrylate in a weight ratio of 2: 1.
In order to test the properties of the super-hydrophobic coating, the polyester fibers are immersed in the super-hydrophobic coatings of examples 1 to 3 and comparative examples 1 to 3, the coatings are taken out and subjected to UV curing, and the treated polyester fibers are tested for water contact angle, rolling angle and bending rigidity, and the test results are as follows:
as can be seen from the comparison of example 1, comparative example 1 and comparative example 2, the use of commercially available conventional silicone rubber or nano silicone rubber made from methyl vinyl silicone rubber a alone in coatings does not impart superhydrophobic properties to the fibers; as can be seen from the comparison between example 1 and comparative example 3, the selection of properly formulated reactive diluent monomers not only improves the hydrophobic properties, but also improves the flexibility of the fibers.
The above-described embodiments are preferred implementations of the present invention, and the present invention may be implemented in other ways without departing from the spirit of the present invention.
Claims (9)
1. A waterproof fabric characterized by: the fabric surface is coated with a super-hydrophobic coating, the super-hydrophobic coating is formed by curing a super-hydrophobic coating, and the super-hydrophobic coating comprises the following raw materials in parts by weight:
wherein the active dilution monomer consists of n-butyl methacrylate, lauryl methacrylate and pentaerythritol triacrylate in a weight ratio of 1:1-2: 1-2;
wherein each part by weight of the nano silicon rubber is prepared from the following raw materials in parts by weight:
the structural formulas of the methyl vinyl silicone rubber A and the methyl vinyl silicone rubber B are as follows:
wherein the chain number alpha of the methyl vinyl silicone rubber A is 5000-6000, beta is 300-400;
wherein the chain number alpha of the methyl vinyl silicone rubber B is 3000-4000, beta is 150-250.
2. A water resistant fabric as claimed in claim 1, wherein: the cross-linking agent is at least one of tetraethoxysilane, dimethyl diethoxysilane and methyl triethoxysilane.
3. A water resistant fabric as claimed in claim 1, wherein: the catalyst is bismuth laurate.
4. A water resistant fabric as claimed in claim 1, wherein: the preparation method of the nano silicon rubber comprises the following steps: (1) mixing the methyl vinyl silicone rubber A and the methyl vinyl silicone rubber B, heating to 140 ℃, carrying out hot refining for 40-60min, then adding a cross-linking agent, an inhibitor and a catalyst, and carrying out banburying at the temperature of 60-70 ℃ for 30-50min to obtain rubber master batches; (2) and (3) crushing the rubber master batch into nano particles by using a jet mill to obtain the nano silicon rubber.
5. A water resistant fabric as claimed in claim 1, wherein: the particle size of the nano silicon rubber is 80-100 nm.
6. A water resistant fabric as claimed in claim 1, wherein: the photoinitiator consists of a photoinitiator 184 and a photoinitiator TPO.
7. A water resistant fabric as claimed in claim 1, wherein: the leveling agent is an acrylate leveling agent.
8. A water resistant fabric as claimed in claim 1, wherein: the defoaming agent is an organic silicon defoaming agent.
9. A water resistant fabric as claimed in claim 1, wherein: the preparation method of the super-hydrophobic coating comprises the following steps: mixing the above materials uniformly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910097989.5A CN109881481B (en) | 2019-01-31 | 2019-01-31 | Waterproof fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910097989.5A CN109881481B (en) | 2019-01-31 | 2019-01-31 | Waterproof fabric |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109881481A CN109881481A (en) | 2019-06-14 |
| CN109881481B true CN109881481B (en) | 2021-07-27 |
Family
ID=66927569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910097989.5A Active CN109881481B (en) | 2019-01-31 | 2019-01-31 | Waterproof fabric |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109881481B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102702881A (en) * | 2012-06-19 | 2012-10-03 | 华南理工大学 | Super-hydrophobic surface capable of being solidified at low temperature, preparation method and application thereof |
| CN104761676A (en) * | 2015-04-21 | 2015-07-08 | 东华大学 | Preparation method of super-stable water-based polyacrylate emulsion |
| CN104910779A (en) * | 2015-06-04 | 2015-09-16 | 西安交通大学 | Super-hydrophobic acrylic polyurethane coating and preparation method thereof |
| CN106543881A (en) * | 2016-10-27 | 2017-03-29 | 中科院广州化学有限公司南雄材料生产基地 | A kind of water polyacrylic acid modified polyurethane water-repellent paint and its preparation method and application |
| CN106675305A (en) * | 2016-12-28 | 2017-05-17 | 华南理工大学 | Self-repairable ultraviolet-curing polyacrylate-polysiloxane-white carbon black superhydrophobic coating and preparation method thereof |
| CN108192454A (en) * | 2017-12-29 | 2018-06-22 | 西安交通大学 | A kind of water-and acrylate Polymer/nano particle hybrid and the hydrophobic coating and preparation method based on it |
| CN108912867A (en) * | 2018-06-25 | 2018-11-30 | 东南大学 | A kind of environmental protection high transparency super hydrophobic coating and its preparation method and application |
| CN109023951A (en) * | 2018-06-28 | 2018-12-18 | 东莞市春藤实业有限公司 | A kind of hydrophobic biological matter fiber and preparation method thereof |
| CN109054476A (en) * | 2018-07-16 | 2018-12-21 | 东莞市瑞翔新型材料科技有限公司 | A kind of water-repellent paint and preparation method thereof for zipper |
| CN109135370A (en) * | 2018-07-16 | 2019-01-04 | 东莞市瑞翔新型材料科技有限公司 | A kind of water-proof acrylic acid coating and preparation method thereof for zipper |
| CN109161234A (en) * | 2018-06-21 | 2019-01-08 | 东莞市瑞翔新型材料科技有限公司 | A kind of acrylic acid flash of light water-repellent paint and preparation method thereof for zipper |
-
2019
- 2019-01-31 CN CN201910097989.5A patent/CN109881481B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102702881A (en) * | 2012-06-19 | 2012-10-03 | 华南理工大学 | Super-hydrophobic surface capable of being solidified at low temperature, preparation method and application thereof |
| CN104761676A (en) * | 2015-04-21 | 2015-07-08 | 东华大学 | Preparation method of super-stable water-based polyacrylate emulsion |
| CN104910779A (en) * | 2015-06-04 | 2015-09-16 | 西安交通大学 | Super-hydrophobic acrylic polyurethane coating and preparation method thereof |
| CN106543881A (en) * | 2016-10-27 | 2017-03-29 | 中科院广州化学有限公司南雄材料生产基地 | A kind of water polyacrylic acid modified polyurethane water-repellent paint and its preparation method and application |
| CN106675305A (en) * | 2016-12-28 | 2017-05-17 | 华南理工大学 | Self-repairable ultraviolet-curing polyacrylate-polysiloxane-white carbon black superhydrophobic coating and preparation method thereof |
| CN108192454A (en) * | 2017-12-29 | 2018-06-22 | 西安交通大学 | A kind of water-and acrylate Polymer/nano particle hybrid and the hydrophobic coating and preparation method based on it |
| CN109161234A (en) * | 2018-06-21 | 2019-01-08 | 东莞市瑞翔新型材料科技有限公司 | A kind of acrylic acid flash of light water-repellent paint and preparation method thereof for zipper |
| CN108912867A (en) * | 2018-06-25 | 2018-11-30 | 东南大学 | A kind of environmental protection high transparency super hydrophobic coating and its preparation method and application |
| CN109023951A (en) * | 2018-06-28 | 2018-12-18 | 东莞市春藤实业有限公司 | A kind of hydrophobic biological matter fiber and preparation method thereof |
| CN109054476A (en) * | 2018-07-16 | 2018-12-21 | 东莞市瑞翔新型材料科技有限公司 | A kind of water-repellent paint and preparation method thereof for zipper |
| CN109135370A (en) * | 2018-07-16 | 2019-01-04 | 东莞市瑞翔新型材料科技有限公司 | A kind of water-proof acrylic acid coating and preparation method thereof for zipper |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109881481A (en) | 2019-06-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109868026B (en) | Organic silicon modified acrylate resin, preparation method thereof and hydrophobic weather-resistant slow-release modified acrylic resin coating | |
| CN108587381B (en) | Processing technology of UV-cured fluorine-containing wear-resistant hydrophobic coating | |
| CN111410887B (en) | Super-hydrophobic nano SiO2Modified epoxy acrylic resin paint and its preparation | |
| CN103214993B (en) | Acrylic ester electrostatic flocking binding agent and preparation method thereof | |
| WO2015000283A1 (en) | Aqueous artificial stone and preparation method therefor | |
| CN104193289A (en) | Hydrophobic protective paint and preparation method thereof | |
| CN111718637A (en) | Wall paint for decoration and preparation method thereof | |
| CN114058199B (en) | UV-cured super-hydrophilic anti-fog coating and preparation method and application thereof | |
| CN110983801A (en) | Preparation method of waterproof moisture-permeable cotton fabric | |
| CN104087188A (en) | Electromagnetic-radiation-resistant protection film and preparation method thereof | |
| CN113980193B (en) | Optical-grade oleophilic type thermal repair resin, preparation method thereof and self-repair coating | |
| CN109881481B (en) | Waterproof fabric | |
| CN110256034B (en) | Granite-imitated wall brick coating and preparation process thereof | |
| CN109023951A (en) | A kind of hydrophobic biological matter fiber and preparation method thereof | |
| CN114044847A (en) | High-water-resistance and stain-resistant acrylate emulsion and preparation method thereof | |
| CN111073519B (en) | Core-shell structure ceramic polishing solution | |
| CN117511309A (en) | Preparation process of water-based paint applied to photovoltaic panel | |
| CN112898881A (en) | Antibacterial and mildew-proof UV-LED gloss oil and preparation method thereof | |
| CN112375441A (en) | Low-temperature curing type automobile finishing varnish and preparation method thereof | |
| CN1587497A (en) | Sol-gel negative ion finshing method for fabric | |
| CN113528080B (en) | High-displacement anti-pollution silicone sealant and preparation method thereof | |
| CN111234642B (en) | Bi-component super-hydrophobic coating | |
| CN111073420B (en) | Water-based acrylic coating and preparation method thereof | |
| CN107227053A (en) | A kind of modified Yi Meng clays hydrophobic coating easy to clean and preparation method thereof | |
| CN110528293B (en) | Flame-retardant antifouling synthetic leather and preparation method thereof |
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 | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210708 Address after: 3 University Road, Songshanhu, Dongguan, Guangdong 523000 Applicant after: DONGGUAN POLYTECHNIC Address before: No.99 Xihu Road, Nancheng District, Dongguan City, Guangdong Province 523000 Applicant before: Liu Fangfang |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |