Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
  • B65D23/00—Details of bottles or jars not otherwise provided for
  • B65D23/02—Linings or internal coatings
• • 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
• • 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

Definitions

• the present invention relates to a sliding film, a laminate, and a packaging container, and more specifically to a sliding film that has excellent transparency and excellent sliding properties against adhesions, as well as a laminate and a packaging container that include such a sliding film.
• Edible oils are generally distributed and used in packaging containers made of resins such as polyethylene or polyethylene terephthalate, or made of glass or metal. Because edible oils have the property of having low surface tension, when used in a packaging container, they tend to wet and spread over the inner surface of the container. As a result, when the oil is used to the point where only a small amount remains in the packaging container, it becomes difficult to remove the oil from the packaging container, which presents the problem of making it difficult to reduce the amount of oil that inevitably remains.
• the object of the present invention is to provide a sliding film that has excellent transparency and excellent sliding properties against adhesions.
• the present inventors conducted extensive research to solve the above problems and discovered that a sliding film formed from an alkyltrialkoxysilane (A) having an alkyl group with 1 to 14 carbon atoms and a tetraalkoxysilane (B) can provide excellent sliding properties, which led to the completion of the present invention. That is, the present invention provides the following inventions [1] to [11].
• a sliding film formed from an alkyltrialkoxysilane (A) having an alkyl group having 1 to 14 carbon atoms and a tetraalkoxysilane (B).
• a sliding film formed from an alkyltrialkoxysilane (A) having an alkyl group having 1 to 14 carbon atoms and a tetraalkoxysilane (B).
• the slidable film according to [1] which contains a cohydrolyzate or condensation polymer of the alkyltrialkoxysilane (A) and the tetraalkoxysilane (B).
• the alkyltrialkoxysilane (A) contains, as the alkyl group, an alkyl group having 1 to 12 carbon atoms;
• the molar ratio of the alkyltrialkoxysilane (A) to the total of the alkyltrialkoxysilane (A) and the tetraalkoxysilane (B) is 0.01 to 0.7. [1] or [2].
• the alkyltrialkoxysilane (A) contains, as the alkyl group, an alkyl group having 6 to 10 carbon atoms;
• the molar ratio of the alkyltrialkoxysilane (A) to the total of the alkyltrialkoxysilane (A) and the tetraalkoxysilane (B) is 0.2 to 0.5.
• [6] The glioma according to any one of [1] to [5], which is soluble in an alkaline solution.
• [7] A laminate obtained by laminating the slip membrane according to any one of [1] to [6] and a resin substrate.
• a packaging container comprising a container body formed by laminating the sliding membrane according to any one of [1] to [6] and a resin substrate.
• the packaging container according to [8] or [9] which is for edible oil.
• the edible oil comprises at least one selected from the group consisting of rapeseed oil, canola oil, rapeseed oil, soybean oil, corn oil, cottonseed oil, peanut oil, sesame oil, rice oil, rice bran oil, camellia oil, safflower oil, olive oil, linseed oil, perilla oil, perilla oil, sunflower oil, coconut oil, coconut oil, tea oil, avocado oil, kukui nut oil, grapeseed oil, cocoa butter, wheat germ oil, almond oil, evening primrose oil, castor oil, hazelnut oil, macadamia nut oil, rosehip oil, and grape oil, as well as oils made from these raw materials.
• the edible oil comprises at least one selected from the group consisting of rapeseed oil, canola oil, rapeseed oil, soybean oil, corn oil, cottonseed oil, peanut oil, sesame oil, rice oil, rice bran oil, camellia oil, safflower oil, olive oil, linseed oil,
• a method for producing a slip film comprising a step of co-hydrolyzing or condensing an alkyltrialkoxysilane (A) having an alkyl group having 1 to 14 carbon atoms and a tetraalkoxysilane (B).
• the present invention provides a sliding film that is highly transparent and has excellent sliding properties against adhesions.
• the sliding film of the present invention is formed from an alkyltrialkoxysilane (A) having an alkyl group with 1 to 14 carbon atoms and a tetraalkoxysilane (B).
• the sliding film of the present invention is a film-like molded product having sliding properties against deposits, and is particularly a film-like molded product having excellent transparency and excellent sliding properties against deposits.
• the sliding film of the present invention is not particularly limited as long as it is formed from an alkyltrialkoxysilane (A) having an alkyl group with 1 to 14 carbon atoms (hereinafter simply referred to as "alkyltrialkoxysilane (A)”) and a tetraalkoxysilane (B), but preferably contains a cohydrolyzate or condensation polymer of the alkyltrialkoxysilane (A) and the tetraalkoxysilane (B).
• alkyltrialkoxysilane (A) having an alkyl group with 1 to 14 carbon atoms
• B tetraalkoxysilane
• the alkyltrialkoxysilane (A) is a silane compound having one alkyl group and three alkoxy groups, where the alkyl group has 1 to 14 carbon atoms.
• Examples of the alkyltrialkoxysilane (A) include compounds represented by the following general formula (1):
• R 1 is an alkyl group having 1 to 14 carbon atoms, preferably an alkyl group having 1 to 12 carbon atoms, and more preferably an alkyl group having 6 to 10 carbon atoms, from the viewpoint of further increasing the flexibility of the sliding film.
• R 1 may be a linear alkyl group or a branched alkyl group, but from the viewpoint of further increasing the sliding property, it is preferable that it is a linear alkyl group.
• R 1 examples include a methyl group, an ethyl group, an n-propyl group, an n-butyl group, an n-pentyl group, an n-hexyl group, an n-heptyl group, an n-octyl group, an n-nonyl group, an n-decyl group, an n-undecyl group, an n-dodecyl group, an n-tridecyl group, and an n-tetradecyl group.
• a methyl group, an ethyl group, an n-propyl group, an n-butyl group, an n-pentyl group, an n-hexyl group, an n-heptyl group, an n-octyl group, an n-nonyl group, an n-decyl group, an n-undecyl group, and an n-dodecyl group are preferred, and an n-hexyl group, an n-heptyl group, an n-octyl group, an n-nonyl group, and an n-decyl group are more preferred.
• R 2 to R 4 are each independently an alkyl group having 1 to 8 carbon atoms, preferably an alkyl group having 1 to 4 carbon atoms.
• R 2 to R 4 may be a linear alkyl group or a branched alkyl group, but is preferably a linear alkyl group.
• R 2 to R 4 may be groups different from each other or may be the same group, but it is preferable that R 2 to R 4 are all the same group.
• R 2 to R 4 include a methyl group, an ethyl group, an n-propyl group, an n-butyl group, an n-pentyl group, an n-hexyl group, an n-heptyl group, and an n-octyl group.
• a methyl group, an ethyl group, an n-propyl group, and an n-butyl group are preferred, a methyl group and an ethyl group are more preferred, and an ethyl group is particularly preferred.
• alkyltrialkoxysilanes (A) include methyltriethoxysilane, ethyltriethoxysilane, n-propyltriethoxysilane, n-butyltriethoxysilane, n-pentyltriethoxysilane, n-hexyltriethoxysilane, n-heptyltriethoxysilane, n-octyltriethoxysilane, n-nonyltriethoxysilane, n-decyltriethoxysilane, n-undecyltriethoxysilane, n-dodecyltriethoxysilane, n-tridecyltriethoxysilane, and n-tetradecyltriethoxysilane.
• the alkyltrialkoxysilanes (A) may be used alone or in combination of two or more.
• the tetraalkoxysilane (B) is a silane compound having four alkoxy groups.
• Examples of the tetraalkoxysilane (B) include a compound represented by the following general formula (2).
• R 5 to R 8 are each independently an alkyl group having 1 to 8 carbon atoms, preferably an alkyl group having 1 to 4 carbon atoms.
• R 5 to R 8 may be a linear alkyl group or a branched alkyl group, but is preferably a linear alkyl group.
• R 5 to R 8 may be different groups from each other or may be the same group, but it is preferable that R 5 to R 8 are all the same group, and it is particularly preferable that R 5 to R 8 are all the same group, and that R 2 to R 4 and R 5 to R 8 in the above general formula (1) are all the same group.
• tetraalkoxysilane (B) examples include tetramethoxysilane, tetraethoxysilane, tetra-n-propoxysilane, tetra-n-butoxysilane, ethoxytrimethoxysilane, diethoxydimethoxysilane, triethoxymethoxysilane, etc. Tetraalkoxysilane (B) may be used alone or in combination of two or more kinds.
• the ratio of alkyltrialkoxysilane (A) to tetraalkoxysilane (B) in the sliding film of the present invention is not particularly limited, but from the viewpoint of being able to further increase the sliding properties of the sliding film, the molar ratio of alkyltrialkoxysilane (A) to the total of alkyltrialkoxysilane (A) and tetraalkoxysilane (B) (alkyltrialkoxysilane (A)/(alkyltrialkoxysilane (A)+tetraalkoxysilane (B)))) is preferably in the range of 0.01 to 0.7, and from the viewpoint of being able to further increase the flexibility of the sliding film, it is more preferable that it is in the range of 0.2 to 0.5.
• the method for producing the sliding film of the present invention is not particularly limited, but may be, for example, a method in which an alkyltrialkoxysilane (A) and a tetraalkoxysilane (B) are cohydrolyzed or condensed.
• the method of co-hydrolyzing or condensing alkyltrialkoxysilane (A) and tetraalkoxysilane (B) is not particularly limited, but includes a method of co-hydrolyzing or condensing alkyltrialkoxysilane (A) and tetraalkoxysilane (B) in the presence of a catalyst.
• the catalyst is preferably an acid catalyst.
• the acid catalyst is not particularly limited, but sulfuric acid, nitric acid, organic sulfonic acids such as dodecylbenzenesulfonic acid, oxalic acid, hydrochloric acid, acetic acid, etc.
• hydrochloric acid organic sulfonic acids such as dodecylbenzenesulfonic acid, and oxalic acid are preferred, and hydrochloric acid is more preferred.
• a base may be added to bring the pH to a range of 4 to 9 to promote the polymerization reaction.
• the base catalyst is not particularly limited, but sodium hydroxide, potassium hydroxide, ammonia, urea, amine compounds such as octylamine, etc. can be used, among which ammonia, urea, amine compounds such as octylamine are preferred, and ammonia is more preferred.
• the acid catalyst or base catalyst may be used alone or in combination of two or more.
• the amount of water required for hydrolysis is preferably greater than the number of alkoxy groups in the film solution in order to hydrolyze all alkoxy groups contained in the film solution to generate silanol groups.
• an organic solvent may be used.
• the organic solvent may be any solvent that is inert to the reaction, and is not particularly limited. However, it is preferable that the organic solvent is inert to the reaction and capable of dissolving the alkyltrialkoxysilane (A) and the tetraalkoxysilane (B).
• organic solvent examples include aromatic hydrocarbons such as benzene and toluene; linear saturated hydrocarbons such as n-pentane and n-hexane; alicyclic saturated hydrocarbons such as cyclopentane and cyclohexane; ethers such as tetrahydrofuran, anisole, and diethyl ether; esters such as ethyl acetate and ethyl benzoate; ketones such as acetone, methyl ethyl ketone, and acetophenone; aprotic polar solvents such as acetonitrile, dimethylformamide, dimethylacetamide, and dimethyl sulfoxide; and protic polar solvents such as methanol, ethanol, isopropanol, and n-butanol.
• aromatic hydrocarbons such as benzene and toluene
• linear saturated hydrocarbons such as n-pentane and n-hexane
• ketones and aprotic polar solvents are preferred, and acetone, methyl ethyl ketone, acetonitrile, methanol, ethanol, and isopropanol are preferred from the viewpoints of not inhibiting the reaction, solubility of the raw materials, miscibility with water used for hydrolysis, and ease of removal in subsequent steps, with methyl ethyl ketone, ethanol, and isopropanol being more preferred.
• the organic solvent may be used alone or in combination of two or more kinds.
• the amount of the organic solvent used is preferably 100 to 10,000 moles, more preferably 300 to 3,000 moles, and even more preferably 800 to 1,200 moles, per 100 moles of the total of the alkyltrialkoxysilane (A) and the tetraalkoxysilane (B).
• alkyltrialkoxysilane (A) and tetraalkoxysilane (B) are used in combination, and the alkyl group having 1 to 14 carbon atoms contained in alkyltrialkoxysilane (A) acts to suppress shrinkage during drying when cohydrolyzed or polycondensed, thereby allowing a good formation of a sliding film.
• the sliding film of the present invention may also contain various additives such as antioxidants, rust inhibitors, UV absorbers, light stabilizers, antifungal agents, antibacterial agents, agents to prevent biological adhesion, deodorants, pigments, flame retardants, and antistatic agents, to the extent that the effects of the present invention are not impaired.
• additives such as antioxidants, rust inhibitors, UV absorbers, light stabilizers, antifungal agents, antibacterial agents, agents to prevent biological adhesion, deodorants, pigments, flame retardants, and antistatic agents, to the extent that the effects of the present invention are not impaired.
• the thickness of the slip film of the present invention is not particularly limited, but from the viewpoint of flexibility, it is preferably 5 to 1000 nm, more preferably 10 to 400 nm, and even more preferably 20 to 200 nm.
• the sliding film of the present invention preferably has a pencil hardness of H or less, more preferably a pencil hardness of B or less, and even more preferably a pencil hardness of 2B or less.
• the pencil hardness can be controlled by adjusting the thickness of the sliding film and the ratio of the alkyltrialkoxysilane (A) and the tetraalkoxysilane (B).
• the sliding film of the present invention when used for packaging container applications, particularly for packaging container applications for edible oil, it is preferable that the sliding film has excellent flexibility in addition to excellent transparency and excellent sliding properties against adhesions, and by having excellent flexibility, it is possible to effectively prevent defects such as cracks from occurring in the sliding film even if the packaging container is deformed.
• the sliding film of the present invention is preferably soluble in an alkaline solution, so that, for example, when the sliding film of the present invention is used for a packaging container, particularly for a packaging container for edible oil, the packaging container can be relatively easily removed by alkaline washing or the like when recycling the packaging container, thereby improving recyclability.
• the alkaline solution is not particularly limited, but examples include an aqueous sodium hydroxide solution, an aqueous potassium hydroxide solution, and an aqueous ammonia solution.
• the sliding film of the present invention is preferably one in which 90% by weight or more is dissolved when immersed for 15 minutes in an aqueous 2% by weight sodium hydroxide solution at 40°C. Alternatively, it is also preferable that 90% by weight or more is dissolved when immersed for 15 minutes in an aqueous 1.5% by weight sodium hydroxide solution at 90°C.
• the laminate of the present invention is formed by laminating the above-mentioned sliding film of the present invention and a resin substrate.
• the material that constitutes the resin substrate is not particularly limited, but thermoplastic resins are preferably used because they can be easily molded into various shapes.
• thermoplastic resins for constituting the resin substrate include olefin-based resins such as low-density polyethylene, high-density polyethylene, polypropylene, poly1-butene, poly4-methyl-1-pentene, or random or block copolymers of ⁇ -olefins such as ethylene, propylene, 1-butene, and 4-methyl-1-pentene, and cyclic olefin copolymers; ethylene-vinyl copolymers such as ethylene-vinyl acetate copolymer, ethylene-vinyl alcohol copolymer, and ethylene-vinyl chloride copolymer; styrene-based resins such as polystyrene, acrylonitrile-styrene copolymer, ABS, and ⁇ -methylstyrene-styrene copolymer; vinyl-based resins such as polyvinyl chloride, polyvinylidene chloride, vinyl chloride-vinyl
• the method for producing the laminate of the present invention is not particularly limited, but it can be produced by preparing a solution for sliding film by dissolving or dispersing an alkyltrialkoxysilane (A), a tetraalkoxysilane (B), and a catalyst in an organic solvent, applying the prepared solution for sliding film onto a resin substrate, allowing a cohydrolysis or condensation polymerization reaction to proceed, and removing the organic solvent.
• the method of applying the solution for the sliding film onto the resin substrate is not particularly limited, and any method capable of forming a sliding film of the desired thickness may be used, including, for example, roll coating, casting, dipping, spin coating, die coating, bar coating, and spray coating.
• the method of removing the organic solvent is not particularly limited, and includes, for example, drying at a desired temperature.
• the thickness of the sliding film in the laminate of the present invention is not particularly limited, but from the viewpoint of flexibility, it is preferably 5 to 1000 nm, more preferably 10 to 400 nm, and even more preferably 20 to 200 nm.
• the thickness of the resin substrate may be appropriately selected depending on the application, but is preferably 5 to 5000 ⁇ m, and more preferably 100 to 2000 ⁇ m.
• the laminate of the present invention can be, for example, a packaging container having a predetermined shape. That is, it can be a packaging container having a container body formed by laminating the above-mentioned sliding membrane of the present invention and a resin substrate.
• the method for molding the laminate of the present invention into a predetermined shape to form a packaging container is not particularly limited, but for example, a preform in the form of a sheet, pipe, test tube, etc. can be molded, and then secondary molding such as plug-assist molding or blow molding can be performed to form a packaging container in the shape of a cup, tray, or bottle.
• the packaging container of the present invention has the sliding film of the present invention described above, which has excellent transparency and excellent sliding properties against adhesions, so that the packaging container of the present invention can be used effectively as a packaging container for packaging edible oil by taking advantage of these characteristics.
• Edible oils include, but are not limited to, rapeseed oil, canola oil, rapeseed oil, soybean oil, corn oil, cottonseed oil, peanut oil, sesame oil, rice oil, rice bran oil, camellia oil, safflower oil, olive oil, linseed oil, perilla oil, perilla oil, sunflower oil, coconut oil, coconut oil, tea oil, avocado oil, kukui nut oil, grapeseed oil, cocoa butter, wheat germ oil, almond oil, evening primrose oil, castor oil, hazelnut oil, macadamia nut oil, rosehip oil, and grape oil, as well as at least one selected from the group consisting of oils made from these raw materials.
• edible oils may also contain various additives, such as chili oil (a chili flavored oil made by adding chili peppers to sesame oil and heating it to give the oil a spicy flavor), emulsified liquid dressings (such as emulsified liquid dressings containing sesame seeds), and separated liquid dressings (such as separated liquid dressings containing green shiso leaves).
• Edible oils may also be oils made from the above-mentioned oils, such as MCT oil (oils made by extracting neutralized fatty acids from palm oil, coconut oil, etc.).
• the packaging container of the present invention has the sliding membrane of the present invention described above, which provides excellent sliding properties against adhesions.
• the edible oil content can be sufficiently allowed to slide off, thereby appropriately reducing the amount of edible oil that inevitably remains as a content.
• the packaging container has excellent recyclability. More specifically, the amount of cleaning water used during cleaning during recycling can be reduced. Furthermore, when the packaging container is made into a recycled material, it will contain components derived from the slip membrane along with the resin base material that constitutes the packaging container. However, the components derived from the slip membrane, specifically, alkyltrialkoxysilane (A) and tetraalkoxysilane (B), do not have an adverse effect on the recycled material and can be easily removed by alkaline cleaning, etc. From this perspective, it can achieve excellent recyclability and can appropriately contribute to the realization of a circular society.
• alkyltrialkoxysilane (A) and tetraalkoxysilane (B) do not have an adverse effect on the recycled material and can be easily removed by alkaline cleaning, etc. From this perspective, it can achieve excellent recyclability and can appropriately contribute to the realization of a circular society.
• Example 1 (Preparation of solution for scutellaria) Alkyltrialkoxysilane (A) represented by the above general formula (1) and tetraalkoxysilane (B) were used in the ratio shown in Table 1, to which ethanol and a 0.01 M aqueous hydrochloric acid solution were added, and the mixture was stirred at 23° C. for 24 hours to allow a condensation polymerization reaction to proceed.
• Alkyltrialkoxysilane (A) represented by the above general formula (1) and tetraalkoxysilane (B) were used in the ratio shown in Table 1, to which ethanol and a 0.01 M aqueous hydrochloric acid solution were added, and the mixture was stirred at 23° C. for 24 hours to allow a condensation polymerization reaction to proceed.
• n-dodecyltriethoxysilane n-dodecyltriethoxysilane+tetraethoxysilane
• n-hexyltriethoxysilane n-hexyltriethoxysilane+tetraethoxysilane
• the amount of ethanol used was 2.075 times the total weight of the alkyltrialkoxysilane (A) and the tetraalkoxysilane (B), and the amount of the 0.01 M hydrochloric acid aqueous solution used was 1.235 times the total weight of the alkyltrialkoxysilane (A) and the tetraalkoxysilane (B).
• ethanol was added to the solution after stirring for 24 hours, diluting it 10 times by weight, and stirring was performed for 2 hours at 23°C to obtain solutions for gliding membrane (samples 1 to 26).
• a polyethylene terephthalate bottle (PET bottle, round, 500 ml size) was laid down with the opening facing sideways, and 3 mL of the above-prepared solution for sliding film (samples 1 to 26) was filled into the PET bottle while rotating the bottle around an axis passing through the center of the opening and the bottom of the bottle.
• the bottle was dried by rotating the bottle for 15 minutes while blowing air into it, and a sliding film with a thickness of about 600 nm was formed inside the PET bottle, to obtain a packaging container sample.
• the packaging container samples (samples 1 to 26) obtained above were filled with 450 g of canola oil, and the canola oil filled inside the packaging container samples was discharged from the packaging container samples. When the residual amount became small, the containers were held for 10 minutes from the start of discharge with the opening facing directly downward, and the residual amount of canola oil after the 10-minute hold was measured. The results are shown in Table 1. In this evaluation, the same measurement was also performed on an untreated PET bottle (a PET bottle without a sliding membrane), and the evaluation was performed by determining the ratio of the residual amount to the residual amount in the untreated PET bottle (the ratio to the residual amount of the untreated product). For example, the residual amount in the untreated PET bottle was 1.35 g, while the residual amount in sample 1 was 0.27 g, so that it was determined as 20.0%, and the residual amount in sample 15 was 0.19 g, so that it was determined as 14.1%.
• Example 2 (Preparation of solution for scutellaria)
• the alkyltrialkoxysilane (A) and tetraalkoxysilane (B) shown in the above general formula (1) are used in the ratio shown in Table 2, and the same operation as in Example 1 is carried out to obtain solutions for sliding membranes (samples 27 to 40).
• packaging container samples were prepared in the same manner as in Example 1. Then, the obtained packaging container samples (samples 27 to 40) were filled with 450 g of sesame dressing (product name: "Deep Roasted Sesame Dressing", manufactured by Kewpie Corporation, used in a uniformly dispersed state), and the sesame dressing filled inside the packaging container samples was discharged from the packaging container samples. When the residual amount became small, the packaging container samples were held for 10 minutes from the start of discharge with the opening facing directly downward, and the residual amount of the sesame dressing after the 10 minutes of holding was measured. The results are shown in Table 2.
• sesame dressing product name: "Deep Roasted Sesame Dressing", manufactured by Kewpie Corporation, used in a uniformly dispersed state
• the same measurement was also performed on an untreated PET bottle (a PET bottle without a sliding membrane), and the evaluation was performed by calculating the ratio to the residual amount in the untreated PET bottle.
• the residual amount in the untreated PET bottle was 9.05 g
• the residual amount in sample 27 was 2.15 g, so that it was determined as 23.8%
• the residual amount in sample 33 was 2.34 g, so that it was determined as 25.9%.
• Example 3 (Preparation of solution for scutellaria)
• the alkyltrialkoxysilane (A) and tetraalkoxysilane (B) shown in the above general formula (1) are used in the ratio shown in Table 3, and the same operation as in Example 1 is carried out to obtain the solution for sliding film (samples 41 to 45).
• Condition 1 40°C - hot water
• Condition 2 40°C - 2 wt% alkaline solution
• Condition 3 90°C - hot water
• Condition 4 90°C - 1.5 wt% alkaline solution
• the reduction rates were 98.3% and 99.9% under conditions 2 and 4, confirming that the smeared film of the present invention is soluble in alkaline solutions. From the above, it was confirmed that the slippery film of the present invention can be removed by alkaline washing and has excellent recyclability.

Landscapes

• Chemical & Material Sciences (AREA)
• Engineering & Computer Science (AREA)
• Organic Chemistry (AREA)
• Mechanical Engineering (AREA)
• Health & Medical Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Medicinal Chemistry (AREA)
• Polymers & Plastics (AREA)
• Materials Engineering (AREA)
• Wrappers (AREA)

Priority Applications (1)

Applications Claiming Priority (2)

Publications (1)

Family

ID=91084189

Family Applications (1)

Country Status (2)

Citations (8)

• 2023
  • 2023-10-19 JP JP2024558724A patent/JPWO2024106131A1/ja active Pending
  • 2023-10-19 WO PCT/JP2023/037934 patent/WO2024106131A1/ja not_active Ceased

Patent Citations (8)

Also Published As

Similar Documents

Legal Events