WO2018164223A1 - Composition filmogène, article revêtu d'un film, et procédé de production d'un article revêtu d'un film - Google Patents

Composition filmogène, article revêtu d'un film, et procédé de production d'un article revêtu d'un film Download PDF

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Publication number
WO2018164223A1
WO2018164223A1 PCT/JP2018/008964 JP2018008964W WO2018164223A1 WO 2018164223 A1 WO2018164223 A1 WO 2018164223A1 JP 2018008964 W JP2018008964 W JP 2018008964W WO 2018164223 A1 WO2018164223 A1 WO 2018164223A1
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Prior art keywords
film
general formula
forming composition
article
coating
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PCT/JP2018/008964
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English (en)
Japanese (ja)
Inventor
鈴木　慶一
貴裕 石▲ざき▼
Original Assignee
ホヤ レンズ タイランド リミテッド
学校法人 芝浦工業大学
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Application filed by ホヤ レンズ タイランド リミテッド, 学校法人 芝浦工業大学 filed Critical ホヤ レンズ タイランド リミテッド
Publication of WO2018164223A1 publication Critical patent/WO2018164223A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/16—Antifouling paints; Underwater paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/18—Materials not provided for elsewhere for application to surfaces to minimize adherence of ice, mist or water thereto; Thawing or antifreeze materials for application to surfaces

Definitions

  • the present invention relates to a film-forming composition, an article having a film, and a method for producing an article having a film. Specifically, it has a film-forming composition capable of forming an antifouling film, an article having a film formed from the film-forming composition, and a film including a film-forming step using the film-forming composition.
  • the present invention relates to a method for manufacturing an article.
  • a film is widely formed on the outermost layer of an article. With this film, various functions can be imparted to the surface of the article (see, for example, Patent Document 1).
  • Patent Document 1 in order to provide a water-repellent surface, an alkyl group or a fluoroalkyl group is included, and at least one selected from an alkoxy group, an acetoxy group, an isocyanate group, and a halogen has a functional group bonded to a silicon atom. It describes that water-repellent treatment is performed using a silane compound (see paragraph 0025 of Patent Document 1).
  • antifouling can be cited as one of functions desired to be imparted by the coating.
  • antifouling property does not necessarily mean the same property as the water repellency described in Patent Document 1, and the surface having water repellency does not necessarily have an excellent antifouling property. If excellent antifouling properties can be provided on the surface of the article, it is possible to prevent the quality and performance of the article from being deteriorated due to the adhesion of dirt. Therefore, it is desirable in various fields to provide excellent antifouling properties on the article surface.
  • An object of one embodiment of the present invention is to provide a means for providing an excellent antifouling property to an article surface.
  • One embodiment of the present invention provides: The following general formula 1: (In General Formula 1, R 1 , R 2 and R 3 each independently represents an alkyl group, and n represents 0 or an integer of 1 or more.)
  • a composition for forming a film comprising two or more types of alkoxysilane compounds represented by formula (1), wherein the two or more types of alkoxysilane compounds have different n in the general formula (1): About.
  • the film-forming composition is an alkoxysilane compound having a different n in general formula 1, that is, a chain length of an alkyl chain (CH 3 — (CH 2 ) n—) (hereinafter referred to as “alkyl chain length”). Contains two or more different alkoxysilane compounds. Thereby, the film formed from this film forming composition can impart excellent antifouling properties to the article surface.
  • an article provided with a film having excellent antifouling properties can be provided.
  • the outermost layer includes a film including the article formed from the film-forming composition on the outermost layer and the film-forming step using the film-forming composition.
  • a method of manufacturing an article is also provided.
  • the composition for forming a film, the article, and the production method will be described in more detail.
  • the film-forming composition contains two or more alkoxysilane compounds represented by the following general formula 1.
  • R 1 , R 2 and R 3 each independently represents an alkyl group, and n represents 0 or an integer of 1 or more.
  • Formula 1 will be described in more detail.
  • R 1 , R 2 and R 3 each independently represents an alkyl group.
  • R 1 , R 2 and R 3 may be the same alkyl group or different alkyl groups.
  • the alkyl group can be a linear alkyl group, a branched alkyl group or a cycloalkyl group, and is preferably a linear alkyl group.
  • the alkyl group preferably has 1 to 6 carbon atoms, and more preferably 1 to 3 carbon atoms.
  • the said alkyl group may have a substituent and may be unsubstituted.
  • examples of the substituent include a hydroxy group, a cyano group, an amino group, a nitro group, an acyl group, and a carboxyl group.
  • the alkoxysilane compound preferably does not contain a fluorine atom as a substituent.
  • the alkoxysilane compound preferably does not contain a fluorine atom. Forming a film using a compound containing no fluorine atom is preferable from the viewpoints of reducing manufacturing costs and environmental burdens.
  • carbon number in the case of having a substituent shall mean the carbon number of the part which does not contain a substituent.
  • the alkyl group is preferably unsubstituted. Preferred examples of the alkyl group include a methyl group, an ethyl group and a propyl group. A methyl group and an ethyl group are more preferred, and a methyl group is still more preferred.
  • n 0 or an integer of 1 or more.
  • the film-forming composition contains two or more alkoxysilane compounds having different n in the general formula, that is, alkoxysilane compounds having different alkyl chain lengths. The present inventors speculate that this contributes to imparting excellent antifouling properties to the surface of the article by providing a film formed from the above-mentioned compound for forming a film on the outermost layer of the article. Details will be described later.
  • the difference in n between the two or more alkoxysilane compounds is 1 or more, and preferably 2 or more, more preferably 3 or more, and still more preferably from the viewpoint of imparting better antifouling properties to the article surface.
  • the difference in n between two or more alkoxysilane compounds is preferably 20 or less, more preferably 18 or less, still more preferably 16 or less, and 14 or less. More preferably.
  • the alkoxysilane compound having the largest n is referred to as a “first alkoxysilane compound”.
  • N of an alkoxysilane compound becomes like this.
  • it is 14 or more, More preferably, it is 15 or more, More preferably, it is 16 or more.
  • n of a 1st alkoxysilane compound becomes like this.
  • it is 30 or less, More preferably, it is 25 or less, More preferably, it is 20 or less.
  • n of the second alkoxysilane compound is 1 or more, It is preferably 2 or more, more preferably 3 or more, still more preferably 4 or more, and still more preferably 5 or more. Further, n of the second alkoxysilane compound is preferably 13 or less, more preferably 12 or less, and still more preferably 11 or less.
  • the second alkoxysilane compound is an alkoxysilane compound in which n in the general formula 1 is in the range of 7 to 13, and another embodiment is an alkoxysilane compound in which n in the general formula 1 is in the range of 1 to 6.
  • Silane compound contains one or more second alkoxysilane compounds and one or more second alkoxysilane compounds together with the first alkoxysilane compound having the largest n in general formula 1. But you can. That is, the film-forming composition includes two or more alkoxysilane compounds represented by the general formula 1 having different n (different alkyl chain lengths), and the included alkoxysilane compounds may be two or more. But you can.
  • the types of the alkoxysilane compounds represented by the general formula 1 contained in the film forming composition are preferably 2 to 4 types, and 2 or 3 types. More preferably, it is more preferable that they are two types.
  • the content of the alkoxysilane compound having the maximum n (first alkoxysilane compound) is as described above.
  • the total content (100% by mass) of the alkoxysilane compound represented by the general formula 1 contained in the film-forming composition is preferably 5.0% by mass or more, and preferably 10.0% by mass or more. More preferably, it is more preferably 20.0% by mass or more, further preferably 30.0% by mass or more, still more preferably 40.0% by mass or more, and 50.0% by mass.
  • the alkoxysilane compound (first alkoxysilane compound) having the maximum n is preferably 95.0% by mass or less, and more preferably 90.0% by mass or less.
  • the alkoxysilane compound represented by the general formula 1 described above is available as a commercial product and can be synthesized by a known method. Specific examples thereof include, for example, ethyltrimethoxysilane, ethyltriethoxysilane, propyltrimethoxysilane, propyltriethoxysilane, butyltrimethoxysilane, butyltriethoxysilane, pentyltrimethoxysilane, pentyltriethoxysilane, hexyltri.
  • Examples include methoxysilane, hexyltriethoxysilane, octyltrimethoxysilane, octyltriethoxysilane, decyltrimethoxysilane, decyltriethoxysilane, dodecyltrimethoxysilane, dodecyltriethoxysilane, octadecyltrimethoxysilane, octadecyltriethoxysilane, etc. be able to.
  • the film-forming composition contains two or more types of alkoxysilane compounds described above.
  • the film-forming composition may be a composition comprising these alkoxysilane compounds, and may optionally contain one or more known components as components of the film-forming composition such as a solvent and an additive. Known components can be applied to components that can be optionally included. Further, the concentration of the alkoxysilane compound in the film forming composition is not particularly limited, and may be set in consideration of, for example, a film forming method.
  • a further aspect of the invention provides: An article having, as an outermost layer, a film formed from the film-forming composition; and A method for producing an article having a film on the outermost layer, comprising a film forming step using the film forming composition; About. Below, the said article
  • the film-forming composition can be used to form a film on the outermost layer of various articles.
  • the surface of the article on which the film is formed has excellent antifouling properties. be able to.
  • the surface on which a film is formed (hereinafter referred to as “base surface”) is the surface of various substances such as an inorganic substance, an organic substance, and a composite material of an organic substance and an inorganic substance.
  • articles can be mentioned.
  • Specific examples of the article include optical members such as lenses (for example, eyeglass lenses, sunglasses, etc.), window glass, building materials, transportation equipment, vehicle materials, semiconductor substrates, and the like.
  • the present invention is not limited to these exemplified articles, and the articles having the above-mentioned coating film on the outermost layer are various articles that desirably have antifouling properties on the surface because there is a possibility that dirt may adhere during use. Can be. Moreover, the said film should just exist as an outermost layer in at least one part of articles
  • the coating film may be a monomolecular film of the alkoxysilane compound.
  • the monomolecular film is formed by fixing the molecule on the base surface by the terminal functional group becoming a binding portion and / or an adsorbing portion with the base surface, and has a film thickness that approximates the molecular length of one molecule. .
  • the film-forming composition contains two or more types of alkoxysilane compounds
  • the present inventors believe that the film thickness of the monomolecular film can be controlled by the type and mixing ratio of these two or more types of alkoxysilane compounds. I guess. For example, the monomolecular film is considered to be thicker as the alkoxysilane compound having a longer molecular length is used. In addition, it is considered that the film thickness of the monomolecular film can be increased as the proportion of the alkoxysilane compound having a longer molecular length among the two or more types of alkoxysilane compounds is increased.
  • a film formed by further bonding molecules to the molecules bonded or adsorbed to the base surface is called a bimolecular film, and has a film thickness that exceeds the molecular length of one molecule and approximates the molecular length of two molecules.
  • Have Monomolecular films tend to be easier to control film properties than multimolecular films such as bimolecular films.
  • Monomolecular films tend to be superior in surface smoothness compared to multimolecular films such as bimolecular films. This point is preferable as a film formed on the outermost layer of an article that is desired to have excellent surface smoothness.
  • the mean square roughness measured by a scanning probe microscope (SPM) on the surface of the coating can be, for example, 0.20 nm or more and 0.80 nm or less.
  • a film formed from the film forming composition can be formed on the base surface.
  • the presence of this coating on the outermost layer of the article can provide excellent antifouling properties on the article surface.
  • the film may be formed by a dry film forming method or a wet film forming method.
  • the base surface Prior to the formation of the coating, the base surface can be pretreated by a known method. As an example of the pretreatment, a treatment for introducing a hydroxy group (OH) onto the base surface can be mentioned. It is speculated that the introduced hydroxy group can contribute to the formation of chemical bonds and hydrogen bonds with silanol groups generated by hydrolysis of the alkoxysilane compound (details will be described later).
  • the wet film forming method is a method of forming a film through a step of applying a film forming composition onto a base surface
  • the coating method includes known coating methods such as a spin coating method, a dipping method, and a spray coating method. Can be used.
  • the coating film can be formed by heating the coating layer of the coating film-forming composition after coating. By heating, the alkoxysilane compound contained in the coating layer can be hydrolyzed, and the coating layer can be dried. It is presumed that silanol groups (Si—OH) are generated by hydrolyzing the alkoxysilane compound, and that the silanol groups can contribute to bonding or adsorption with the base surface.
  • the film-forming composition may be an aqueous composition or a non-aqueous composition.
  • “Aqueous” means containing water. Since the hydrolysis of the alkoxysilane compound can proceed even with moisture in the atmosphere, the film-forming composition may be a non-aqueous composition. Moreover, about the detail regarding heating, such as heating temperature, the well-known technique regarding the hydrolysis of a silane coupling agent is applicable.
  • a dry film forming method various methods including a step of volatilizing the film forming composition, for example, a vacuum deposition method, an ion assist method, an ion plating method, a reactive sputtering method, a chemical vapor deposition method (CVD; chemical vapor deposition) and the like. Also in the dry film forming method, it is speculated that the generation of silanol groups (Si—OH) by hydrolysis of the alkoxysilane compound may contribute to the bonding or adsorption between the film and the base surface.
  • a vacuum deposition method for example, a vacuum deposition method, an ion assist method, an ion plating method, a reactive sputtering method, a chemical vapor deposition method (CVD; chemical vapor deposition) and the like.
  • CVD chemical vapor deposition
  • the film formed by the film forming process can exhibit excellent antifouling properties.
  • the present inventors believe that lowering the contact angle hysteresis on the surface of the article contributes to increasing the antifouling property of the article surface. This point will be further described below.
  • the contact angle is roughly classified into a static contact angle and a dynamic contact angle.
  • the contact angle used as an index of water repellency is a static contact angle with respect to water.
  • the dynamic contact angle can be an indicator of the dynamic behavior of the droplet.
  • the present inventors presume that the rotational movement of the methyl group linked to the alkylene part contributes to the reduction of the contact angle hysteresis.
  • n in the general formula 1 is It is considered that the methyl group connected to the alkylene part in the alkoxysilane compound (which is larger) exists in a state in which it is more likely to rotate. The present inventors speculate that this may contribute to lowering the contact angle hysteresis. However, the above is inference and does not limit the present invention.
  • the advancing contact angle and the receding contact angle are measured by the expansion / contraction method in a measurement environment having a temperature of 22 to 25 ° C. and a relative humidity of 35 to 60%. It is assumed that the advancing contact angle and the receding contact angle are measured at arbitrary five locations, respectively, and the contact angle hysteresis is calculated using the arithmetic average of the measured values.
  • the water contact angle hysteresis measured on the surface of the coating is preferably 10.0 ° or less, more preferably 9.5 ° or less, and even more preferably 9.0 ° or less. More preferably, it is not more than 0.5 °, and more preferably not more than 8.0 °.
  • the contact angle hysteresis measured on the surface of the film can be, for example, 3.0 ° or more, 4.0 ° or more, 5.0 or more, or 6.0 ° or more.
  • the smaller the value of the contact angle hysteresis the better from the viewpoint of antifouling properties.
  • the coating surface can have excellent water repellency.
  • a static contact angle can be used as an index of water repellency.
  • the surface of the coating film may have a static contact angle with respect to water of 90.0 ° or more, preferably 95.0 ° or more, and more preferably 100.0 ° or more.
  • the static contact angle for water can be, for example, 120.0 ° or less, but may exceed this.
  • the static contact angle is obtained as an arithmetic average of values measured at any five locations by the droplet method in a measurement environment having a temperature of 22 to 25 ° C. and a relative humidity of 35 to 60%. To do.
  • the article has a monomolecular film of an alkoxysilane compound (but does not contain fluorine atoms) as at least a part of the outermost layer, and the contact angle hysteresis with respect to water on the surface of the outermost layer is 10 Articles that are less than or equal to 0 ° are also provided.
  • a monomolecular film of an alkoxysilane compound but does not contain fluorine atoms
  • alkoxysilane compounds used in the following examples and comparative examples are the following commercially available alkoxysilane compounds.
  • HXS Hyltrimethylsilane
  • Pretreatment of lower ground A glass plate having a size of 10 mm ⁇ 20 mm was prepared as a sample, and ultrasonic cleaning was performed for 10 minutes in order of acetone, ethanol, and ultrapure water in order to remove surface deposits.
  • the sample surface after washing with an organic solvent (acetone, ethanol) was dried with a nitrogen gun.
  • the sample surface after the cleaning was irradiated with vacuum ultraviolet (VUV) for 20 minutes under atmospheric pressure.
  • VUV irradiation treatment was performed using an ultraviolet irradiator (manufactured by USHIO INC.) Equipped with a VUV lamp manufactured by USHIO ELECTRIC CO., LTD.
  • a single alkoxysilane compound or a mixture of two alkoxysilane compounds was prepared as a film forming composition.
  • the total amount of the film forming composition (alkoxysilane compound) was 180 ⁇ L or 200 ⁇ L.
  • the compositions of the prepared film forming compositions are shown in Tables 5 and 6 below.
  • Film formation step 2 Using the respective film-forming compositions prepared in 1 above, the above-described 1. A film was formed on the base surface prepared in (1). Film formation by thermal chemical vapor deposition was performed as follows. Sample tube bottle containing the film-forming composition and the above 1. The samples after the pretreatment were sealed together in a Teflon (registered trademark) container (diameter 12 cm ⁇ height 5 cm) in a glove box maintained at a relative humidity of 15%. Thereafter, the furnace was heated and held for 24 hours in an electric furnace set at a furnace temperature of 100 ° C.
  • Teflon registered trademark
  • Evaluation Method (1) Contact Angle Measurement The static contact angle was measured by the droplet method, and the dynamic contact angle (advanced contact angle and receding contact angle) was measured by the expansion / contraction method. Table 1 shows the measurement conditions for the static contact angle and the dynamic contact angle. Water is used as the measurement liquid, and the static contact angle, advancing contact angle, and receding contact angle are measured at five randomly determined locations on the coating surface, and an automatic contact angle meter (Model: DM-501 (manufactured by Kyowa Interface Science Co., Ltd.) was used. The measurement was performed in a measurement environment at a temperature of 22 to 25 ° C. and a relative humidity of 35 to 60%.
  • the sample on which the coating film is formed is referred to as "evaluation sample”.
  • the visible light (400 to 700 nm) transmittance transmittance before dropping muddy water
  • the sample for evaluation was placed in a state where the surface of the coating film was inclined 5 ° with respect to a horizontal plane with the surface of the coating film facing upward, and muddy water was dropped on the surface of the coating film, and held in that state for 30 seconds.
  • the visible light transmittance (transmittance after dripping muddy water) of the sample for evaluation after dripping muddy water was measured.
  • the above visible light transmittance measurement was performed using an ultraviolet-visible spectrophotometer (UV-vis: UV-2600 manufactured by Shimadzu Corporation) with a measurement wavelength range of 400 to 700 nm and a scan speed of medium. It can be judged that the smaller the value of the transmittance difference before and after the muddy water dripping (permeability before muddy water dripping-transmittance after muddy water dripping) is, the higher the antifouling property of the coating surface.
  • UV-vis UV-2600 manufactured by Shimadzu Corporation
  • the coating formed in the example is superior in antifouling property as compared with the coating formed in the comparative example.
  • the films formed in the examples all have a contact angle hysteresis of 10.0 ° or less, and the contact angle hysteresis is smaller than that of the film formed in the comparative example. This is considered to be the reason why the coating film formed in the example is superior in antifouling property as compared with the coating film formed in the comparative example.
  • the coating formed in the examples has a high static contact angle with water and excellent water repellency.
  • the coatings formed in the examples shown in Tables 5 and 6 are antifouling coatings having excellent antifouling properties, and were also coatings that can function as water-repellent coatings. Moreover, from the film thickness and roughness of the film shown in Tables 5 and 6, it can also be confirmed that the film formed in the examples shown in Tables 5 and 6 is a monomolecular film of an alkoxysilane compound.
  • All the coatings formed in the examples shown in Table 7 had a contact angle hysteresis of 10.0 ° or less.
  • the coatings formed in the examples shown in Tables 5 and 6 showed excellent antifouling properties with a contact angle hysteresis of 10.0 ° or less. It can be said that it is excellent in dirtiness. That is, the film formed in the examples shown in Table 7 is an antifouling film having excellent antifouling properties, and can also function as a water-repellent film. Moreover, from the film thickness and roughness of the film shown in Table 7, it can also be confirmed that the film formed in the examples shown in Table 7 is a monomolecular film of an alkoxysilane compound.
  • Example 3-1 to Example 3-5 shown in Table 7 are similarly formed except that the type of the second alkoxysilane compound is changed. Since the film formed in Example 3-1 to Example 3-4 had a smaller contact angle hysteresis than the film formed in Example 3-5, the first alkoxysilane compound and From the viewpoint of imparting better antifouling properties to the article surface, it is considered that the difference in n in general formula 1 with the second alkoxysilane compound is more preferably 3 or more.
  • a film forming composition comprising two or more alkoxysilane compounds represented by the above general formula 1, wherein the two or more alkoxysilane compounds have different n in the general formula 1.
  • composition for forming a film by using this composition to form a film on the outermost layer of the article, excellent antifouling property can be provided on the surface of the article.
  • the film forming composition includes an alkoxysilane compound represented by the general formula 1 in which the difference in n is 2 or more.
  • the content of the alkoxysilane compound having the largest n is 5.0 to 95. with respect to the total content of the two or more alkoxysilane compounds. It is in the range of 0% by mass.
  • the coating composition contains two alkoxysilane compounds having different n in the general formula 1.
  • R 1 , R 2 and R 3 each independently represents an alkyl group having 1 to 3 carbon atoms.
  • an article having a film formed from the film forming composition as an outermost layer.
  • the article can exhibit excellent antifouling properties by having the coating film on the outermost layer.
  • a method for producing an article having a coating on the outermost layer including a coating forming step using the coating forming composition.
  • the film forming step is performed by a dry film forming method.
  • the article has a monomolecular film of an alkoxysilane compound (but does not contain a fluorine atom) as at least a part of the outermost layer, and has a contact angle hysteresis with respect to water on the surface of the outermost layer.
  • Articles that are 10.0 degrees or less are also provided.
  • the article has an excellent antifouling property on the surface of the coating, so that the adhesion of dirt can be suppressed and / or the attached dirt can be easily removed.
  • the alkoxysilane compound (but not including a fluorine atom) is a compound composed of a carbon atom, a hydrogen atom, an oxygen atom, and a silicon atom.
  • the alkoxysilane compound (but not including a fluorine atom) is an alkoxysilane compound represented by General Formula 1.
  • the coating film includes two or more alkoxysilane compounds represented by the general formula 1, and the two or more alkoxysilane compounds are formed from a film-forming composition having a different n in the general formula 1.
  • the coated film includes two or more alkoxysilane compounds represented by the general formula 1, and the two or more alkoxysilane compounds are formed from a film-forming composition having a different n in the general formula 1.

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  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Paints Or Removers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

L'invention concerne une composition filmogène qui comprend au moins deux composés alcoxysilanes représentés par la formule générale 1, lesdits composés alcoxysilanes différant par l'indice n dans la formule générale 1. Dans la formule générale 1, R1, R2, et R3 représentent chacun indépendamment un groupe alkyle et n vaut 0 ou un nombre entier supérieur ou égal à 1.
PCT/JP2018/008964 2017-03-08 2018-03-08 Composition filmogène, article revêtu d'un film, et procédé de production d'un article revêtu d'un film WO2018164223A1 (fr)

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JP2017-043773 2017-03-08
JP2017043773A JP2020073619A (ja) 2017-03-08 2017-03-08 被膜形成用組成物、被膜を有する物品および被膜を有する物品の製造方法

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JP2006257337A (ja) * 2005-03-18 2006-09-28 Kanagawa Acad Of Sci & Technol 撥水性固体表面での液滴の転落加速度の制御方法およびその方法により制御された撥水性固体表面を有する構造体
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