CN112160074A - Rigid super-hydrophobic polyvinyl chloride film and preparation method thereof - Google Patents
Rigid super-hydrophobic polyvinyl chloride film and preparation method thereof Download PDFInfo
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- CN112160074A CN112160074A CN202010975161.8A CN202010975161A CN112160074A CN 112160074 A CN112160074 A CN 112160074A CN 202010975161 A CN202010975161 A CN 202010975161A CN 112160074 A CN112160074 A CN 112160074A
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
- D04H1/728—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by electro-spinning
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- 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
- C08F2/00—Processes of polymerisation
- C08F2/38—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation
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- 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
- C08F230/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal
- C08F230/04—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal
- C08F230/08—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal containing silicon
- C08F230/085—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal containing silicon the monomer being a polymerisable silane, e.g. (meth)acryloyloxy trialkoxy silanes or vinyl trialkoxysilanes
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- 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
- C08F293/00—Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule
- C08F293/005—Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule using free radical "living" or "controlled" polymerisation, e.g. using a complexing agent
-
- 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
- C08F8/00—Chemical modification by after-treatment
- C08F8/34—Introducing sulfur atoms or sulfur-containing groups
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/28—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/32—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds comprising halogenated hydrocarbons as the major constituent
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/28—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/42—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds comprising cyclic compounds containing one carbon-to-carbon double bond in the side chain as major constituent
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
-
- 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
- C08F2438/00—Living radical polymerisation
- C08F2438/03—Use of a di- or tri-thiocarbonylthio compound, e.g. di- or tri-thioester, di- or tri-thiocarbamate, or a xanthate as chain transfer agent, e.g . Reversible Addition Fragmentation chain Transfer [RAFT] or Macromolecular Design via Interchange of Xanthates [MADIX]
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- 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
- C08F2810/00—Chemical modification of a polymer
- C08F2810/40—Chemical modification of a polymer taking place solely at one end or both ends of the polymer backbone, i.e. not in the side or lateral chains
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/04—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of halogenated hydrocarbons
- D10B2321/041—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of halogenated hydrocarbons polyvinyl chloride or polyvinylidene chloride
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/02—Moisture-responsive characteristics
- D10B2401/021—Moisture-responsive characteristics hydrophobic
Abstract
The invention discloses a rigid super-hydrophobic polyvinyl chloride film and a preparation method thereof; the rigid super-hydrophobic polyvinyl chloride film is prepared from polyvinyl chloride diblock copolymers, wherein the polyvinyl chloride diblock copolymers are prepared by reacting single-end hydroxyl polyvinyl chloride with a chain transfer agent to obtain a polyvinyl chloride macromolecular chain transfer agent, and the polyvinyl chloride macromolecular chain transfer agent initiates polymerization of a silane coupling agent to obtain the polyvinyl chloride diblock copolymers; the invention blocks the rigid polymer with hydrophobic effect on the polyvinyl chloride molecular chain, thus fundamentally improving the hydrophobicity and mechanical property of the polyvinyl chloride.
Description
Technical Field
The invention belongs to the field of high polymer materials, and particularly relates to a rigid super-hydrophobic polyvinyl chloride film and a preparation method thereof.
Background
Superhydrophobic materials have attracted a lot of attention due to the self-cleaning effect of their surfaces, and the construction of superhydrophobic materials is usually done by two methods: firstly, constructing a micro-nano rough structure on the surface, and secondly, modifying a low-surface-energy substance on the rough surface.
Polyvinyl chloride (PVC) is one of five thermoplastic synthetic resins, is the second most common plastic in the world, has rich sources, low price and wide application, is mainly used for building materials, packaging materials, electronic materials, daily consumer goods and the like, and is widely applied to various fields of industry, agriculture, construction, transportation, electric power telecommunication, packaging and the like; the PVC building membrane is easy to be polluted along with the migration of a surface plasticizer and the irradiation of ultraviolet rays, so that the appearance and the service life of the membrane are influenced; the super-hydrophobic polyvinyl chloride film can enable polyvinyl chloride to have an antifouling self-cleaning effect, and can also be used for lossless liquid transmission to improve the function of the polyvinyl chloride; based on the above, the invention provides a rigid super-hydrophobic polyvinyl chloride film and a preparation method thereof.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a rigid super-hydrophobic polyvinyl chloride film and a preparation method thereof.
The invention aims to provide a rigid super-hydrophobic polyvinyl chloride film.
The invention also aims to provide a preparation method of the rigid super-hydrophobic polyvinyl chloride film.
The above purpose of the invention is realized by the following technical scheme:
the preparation method of the rigid super-hydrophobic polyvinyl chloride film comprises the following steps:
dissolving 1000g of polyvinyl chloride diblock copolymer in 10ml of tetrahydrofuran (the concentration is 8 wt%), ultrasonically mixing uniformly, putting the spinning solution into a solution feeding device, adjusting the distance between a spray head and a receiving device to be 11cm, using tinfoil as a receiving matrix, starting a high-voltage power supply, controlling the voltage to be 18kv, spraying the spinning solution from the spray head, and curing in the receiving device.
The structural formula of the polyvinyl chloride diblock copolymer is shown as the following formula (I):
wherein n is 100-5000, and m is 50-100.
The reaction flow and the preparation method of the polyvinyl chloride diblock copolymer are as follows:
1. 3-benzylsulfanylthiocarbonylsulfanylpropionic acid and SOCl using tetrahydrofuran as solvent2Firstly carrying out acyl chlorination reaction, and then carrying out esterification reaction on 3-benzyl sulfanyl thiocarbonyl sulfanyl propionyl chloride and single-terminal hydroxyl polyvinyl chloride by taking toluene as a solvent and pyridine as an acid-binding agent to obtain the polyvinyl chloride macromolecule transfer agent.
Wherein the 3-benzylsulfanylthiocarbonylsulfanylpropionic acid, SOCl2The molar ratio to the single-terminal hydroxy polyvinyl chloride is 5:5: 1.
2. Taking dioxane as a solvent, azodiisobutyronitrile as an initiator, a polyvinyl chloride macromolecular chain transfer agent as a chain transfer agent and a silane coupling agent as monomers, reacting for 1-2 h at 60-70 ℃ under the protection of oil bath nitrogen, and purifying to obtain the polyvinyl chloride diblock copolymer.
Wherein the silane coupling agent has the following structural formula:
wherein the molar ratio of the azodiisobutyronitrile to the polyvinyl chloride macromolecular chain transfer agent to the silane coupling agent is 1:10: 1000.
Wherein the molar concentration of the silane coupling agent is 1 mol/L.
(1) The preparation process of the rigid super-hydrophobic polyvinyl chloride film is simple, and the obtained rigid super-hydrophobic polyvinyl chloride material is safe, non-toxic and has lasting super-hydrophobicity.
(2) The invention fundamentally improves the hydrophobicity and the mechanical property of the polyvinyl chloride film.
Drawings
FIG. 1 is a nuclear magnetic hydrogen spectrum of the rigid superhydrophobic polyvinyl chloride film prepared in example 3.
Fig. 2 is a GPC diagram of the rigid superhydrophobic polyvinyl chloride film prepared in example 3.
Detailed Description
The present invention is further described in detail below with reference to specific examples, wherein reagents, methods and apparatus are conventional in the art, unless otherwise specified.
Example 1
A reaction device is well established, 3-benzylsulfanylthiocarbonylsulfanylpropionic acid (5.0mmol) and 20mL of anhydrous tetrahydrofuran THF are added into a 50mL flask with a branch opening, the flask with the branch opening is placed on a reactor, the temperature of the reactor is raised to 75 ℃, and then SOCl is slowly dripped2(5.0mmol) and continuing the reaction for 2h after the dropwise addition is finished, cooling the product to room temperature after the reaction is finished, and removing SOCl by reduced pressure distillation2And THF to give 3-benzylsulfanylthiocarbonylsulfanylpropionyl chloride.
The reaction apparatus was set up, and a single-terminal hydroxyl group polyvinyl chloride (1.0mmol) was added to a 50ml Schlenk bottle and N was pumped and charged2After three times, N2Adding 30ml of anhydrous toluene under protection, heating a reaction device to 70 ℃, adding 1ml of pyridine after the single-end hydroxyl polyvinyl chloride is completely dissolved, stirring for 30min, dropwise adding the 3-benzyl sulfanyl thiocarbonyl sulfanyl propionyl chloride dissolved in the toluene, heating to 80 ℃, continuing to react for 5h, cooling the reaction device to room temperature, dissolving a product by using the toluene, dropwise adding the product into methanol for precipitation, performing dissolution/precipitation circulation twice, filtering, continuously washing by using the methanol, and drying at the temperature of 45 ℃ under vacuum to constant weight to obtain the polyvinyl chloride macromolecular chain transfer agent, wherein the yield is 53.4%.
Example 2
A reaction device is set up, polyvinyl chloride macromolecular chain transfer agent (0.1mmol), azobisisobutyronitrile (0.01mmol) and silane coupling agent (10.0mmol) are added into a 25ml Schlenk bottle, and N is pumped and filled2After three times, N2Under protection, 10mL of dioxane is added, the temperature of a reactor is raised to 70 ℃, the reaction is carried out for 1h, the product is placed into liquid nitrogen for quenching to stop the reaction, the product is dropwise added into methanol/water to precipitate out, the precipitate is continuously dissolved for 3 times, the solution is filtered, washed by methanol, and dried to constant weight at the temperature of 45 ℃ in vacuum, and the polyvinyl chloride diblock copolymer is obtained with the yield of 60.4%.
Example 3
A reaction device is set up, polyvinyl chloride macromolecular chain transfer agent (0.1mmol), azobisisobutyronitrile (0.01mmol) and silane coupling agent (10.0mmol) are added into a 25ml Schlenk bottle, and N is pumped and filled2After three times, N2Under protection, 10mL of dioxane is added, the temperature of a reactor is raised to 70 ℃, the reaction is carried out for 2h, the product is placed into liquid nitrogen for quenching to stop the reaction, the product is dropwise added into methanol/water to precipitate out, the precipitate is continuously dissolved for 3 times, the solution is filtered, washed by methanol, and dried to constant weight at the temperature of 45 ℃ in vacuum, and the polyvinyl chloride diblock copolymer is obtained, wherein the yield is 65.1%.
Example 4
A reaction device is set up, polyvinyl chloride macromolecular chain transfer agent (0.1mmol), azobisisobutyronitrile (0.01mmol) and silane coupling agent (10.0mmol) are added into a 25ml Schlenk bottle, and N is pumped and filled2After three times, N2Under protection, 10mL of dioxane is added, the temperature of a reactor is raised to 70 ℃, the reaction is carried out for 3h, the product is placed into liquid nitrogen for quenching to stop the reaction, the product is dropwise added into methanol/water to precipitate out, the precipitate is continuously dissolved for 3 times, the solution is filtered, washed by methanol, and dried to constant weight at the temperature of 45 ℃ in vacuum, and the polyvinyl chloride diblock copolymer is obtained, wherein the yield is 70.9%.
Example 5
1000g of the polyvinyl chloride diblock copolymer prepared in example 2 was dissolved in 10ml of tetrahydrofuran (concentration: 8 wt%), ultrasonically mixed, the spinning solution was put into a solution feeding device, the distance between the nozzle and the receiving device was adjusted to 11cm, a tinfoil was used as a receiving substrate, a high voltage power supply was turned on, the voltage was controlled at 18kv, and the spinning solution was ejected from the nozzle and solidified in the receiving device.
Example 6
1000g of the polyvinyl chloride diblock copolymer prepared in example 3 was dissolved in 10ml of tetrahydrofuran (concentration: 8 wt%), ultrasonically mixed, the spinning solution was put into a solution feeding device, the distance between the nozzle and the receiving device was adjusted to 11cm, a tinfoil was used as a receiving substrate, a high voltage power supply was turned on, the voltage was controlled at 18kv, and the spinning solution was ejected from the nozzle and solidified in the receiving device.
Example 7
1000g of the polyvinyl chloride diblock copolymer prepared in example 4 was dissolved in 10ml of tetrahydrofuran (concentration: 8 wt%), ultrasonically mixed, the spinning solution was put into a solution feeding device, the distance between the nozzle and the receiving device was adjusted to 11cm, a tinfoil was used as a receiving substrate, a high voltage power supply was turned on, the voltage was controlled at 18kv, and the spinning solution was ejected from the nozzle and solidified in the receiving device.
Comparative example 1
Dissolving 800mg of polyvinyl chloride (78000) in 10ml of tetrahydrofuran (the concentration is 8 wt%), ultrasonically mixing uniformly, putting the spinning solution into a solution feeding device, adjusting the distance between a spray head and a receiving device to be 11cm, using tinfoil as a receiving substrate, starting a high-voltage power supply, controlling the voltage to be 18kv, spraying the spinning solution from the spray head, and curing in the receiving device.
The wettability was measured by an optical contact angle measuring instrument.
Tensile strength was determined according to standard HG/T2580-.
The bending strength was determined according to the standard GB/T12585-2001.
Table 1 antibacterial properties of the polyvinyl chloride block copolymer prepared according to the present invention.
| Examples | Contact angle | Tensile Strength (MPa) | Elongation at Break (%) |
| Example 5 | 153 | 19.2 | 397 |
| Example 6 | 159 | 20.4 | 405 |
| Example 7 | 196 | 21.3 | 410 |
| Comparative example 1 | 123 | 15.4 | 342 |
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (7)
1. A rigid superhydrophobic polyvinyl chloride film, wherein the rigid superhydrophobic polyvinyl chloride film is prepared from a polyvinyl chloride diblock copolymer having a structure according to formula (I):
wherein n is 100-5000, and m is 50-100.
2. The method for preparing a rigid superhydrophobic polyvinyl chloride film according to claim 1, comprising the steps of:
dissolving polyvinyl chloride diblock copolymer in tetrahydrofuran, ultrasonically mixing uniformly, putting the spinning solution into a solution feeding device, adjusting the distance between a spray head and a receiving device to be 11cm, using tinfoil as a receiving matrix, starting a high-voltage power supply, controlling the voltage to be 18kv, spraying the spinning solution out of the spray head, and curing in the receiving device.
3. The rigid superhydrophobic polyvinyl chloride film of claim 1, wherein said polyvinyl chloride diblock copolymer is prepared by a process comprising the steps of:
(1) 3-benzylsulfanylthiocarbonylsulfanylpropionic acid and SOCl using tetrahydrofuran as solvent2Firstly, carrying out acyl chlorination reaction, and then carrying out esterification reaction on 3-benzyl sulfanyl thiocarbonyl sulfanyl propionyl chloride and single-terminal hydroxyl polyvinyl chloride by taking toluene as a solvent and pyridine as an acid-binding agent to obtain a polyvinyl chloride macromolecule transfer agent;
(2) taking dioxane as a solvent, azodiisobutyronitrile as an initiator, a polyvinyl chloride macromolecular chain transfer agent as a chain transfer agent and a silane coupling agent as monomers, reacting for 1-2 h at 60-70 ℃ under the protection of oil bath nitrogen, and purifying to obtain the polyvinyl chloride diblock copolymer.
4. The rigid superhydrophobic polyvinyl chloride film of claim 3, wherein: in the step (1), the 3-benzylsulfanylthiocarbonylsulfanylpropionic acid, SOCl2The molar ratio to the single-terminal hydroxy polyvinyl chloride is 5:5: 1.
5. The rigid superhydrophobic polyvinyl chloride film of claim 3, wherein: in the step (2), the silane coupling agent has the following structural formula:
6. the rigid superhydrophobic polyvinyl chloride film of claim 3, wherein: in the step (2), the molar ratio of the azobisisobutyronitrile to the polyvinyl chloride macromolecular chain transfer agent is 1:10: 1000.
7. The rigid superhydrophobic polyvinyl chloride film of claim 3, wherein: in the step (2), the molar concentration of the silane coupling agent is 1 mol/L.
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Citations (6)
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|---|---|---|---|---|
| KR20030028828A (en) * | 2000-08-30 | 2003-04-10 | 피티아이 어드밴스드 필트레이션 인코포레이티드 | Modified polymer having improved properties and process for manufacturing same |
| CN103551053A (en) * | 2013-11-01 | 2014-02-05 | 无锡海特新材料研究院有限公司 | Method for preparing hydrophobic composite membrane |
| CN101993682B (en) * | 2009-08-11 | 2014-04-30 | 石河子大学 | Superhydrophobic polyvinyl chloride film and preparation method thereof |
| CN104479437A (en) * | 2015-01-06 | 2015-04-01 | 东华大学 | Preparation method for super-hydrophobic self-luminous coating |
| CN111253536A (en) * | 2020-03-25 | 2020-06-09 | 张雪飞 | Polypropylene triblock copolymer responding to temperature and pH and preparation method thereof |
| CN111423547A (en) * | 2020-04-17 | 2020-07-17 | 卢静 | Antibacterial polypropylene block copolymer and preparation method thereof |
-
2020
- 2020-09-16 CN CN202010975161.8A patent/CN112160074A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030028828A (en) * | 2000-08-30 | 2003-04-10 | 피티아이 어드밴스드 필트레이션 인코포레이티드 | Modified polymer having improved properties and process for manufacturing same |
| CN101993682B (en) * | 2009-08-11 | 2014-04-30 | 石河子大学 | Superhydrophobic polyvinyl chloride film and preparation method thereof |
| CN103551053A (en) * | 2013-11-01 | 2014-02-05 | 无锡海特新材料研究院有限公司 | Method for preparing hydrophobic composite membrane |
| CN104479437A (en) * | 2015-01-06 | 2015-04-01 | 东华大学 | Preparation method for super-hydrophobic self-luminous coating |
| CN111253536A (en) * | 2020-03-25 | 2020-06-09 | 张雪飞 | Polypropylene triblock copolymer responding to temperature and pH and preparation method thereof |
| CN111423547A (en) * | 2020-04-17 | 2020-07-17 | 卢静 | Antibacterial polypropylene block copolymer and preparation method thereof |
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| MINGLIN MA等: "Electrospun Poly(Styrene-block-dimethylsiloxane) Block Copolymer Fibers Exhibiting Superhydrophobicity", 《LANGMUIR》 * |
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Application publication date: 20210101 |