JPH03287663A - Solid polyelectrolyte, preparation thereof, and coating film prepared therefrom - Google Patents

Abstract

PURPOSE:To prepare a solid polyelectrolyte excellent in antistatic properties by compounding a polyorganosiloxane obtd. by hardening a hydrolysis product of a specific organosilicon compd. with an electrolyte. CONSTITUTION:A polyorganosiloxane obtd. by hardening a hydrolysis product of an organosilicon compd. of the formula is compounded with an electrolyte to give a solid polyelectrolyte. In the formula, R<1> is a 3-40C org. group having at least one ether bond (C-O-C) and attached to Si through an Si-C bond; R<2> is 1-8C alkyl, alkenyl, aryl, or aralkyl; X is a hydrolyzable group; and a is 0 or 1. An epoxidized organosilicon compd. such as gamma-glycidoxypropy ltrimethoxysilane or gamma-glycidoxypropylmethypound dimethoxyethoxysilane is esp. pref. as the organosilicon compd.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a solid polymer electrolyte, a method for producing the same, and a coating film made from the same.

Furthermore, regarding the coating film made of the solid polymer electrolyte, it is particularly preferably used to improve the antistatic properties, surface hardness, abrasion resistance, etc. of the surfaces of various substrates.

[Conventional technology] Regarding protection of various base materials, improvement of appearance quality, and imparting surface functions,
By forming various coating films on the base material,
Methods for improving each performance have been widely used so far, and various proposals have been made regarding materials and coating methods.

In particular, to prevent inconveniences such as the base material or coating film being charged with static electricity and dust adhering to it, unpleasant electric sparks during human contact in low humidity, and failure of instruments and electronic equipment due to charging. Various proposals have been made regarding antistatic coating films and antistatic treatment methods. However, with conventional methods,
They have had a number of problems, including insufficient antistatic performance, poor surface hardness and water resistance, and time-consuming processing methods.

On the other hand, solid polymer electrolytes have recently attracted much attention as materials that can conduct ions in a solid state. As this polymer solid electrolyte, a composition consisting of a polymer substance having a donor group and an electrolyte is usually good in that it has high ionic conductivity. A high ionic conductivity is preferable, especially when viewed as a coating film, since it means that the antistatic performance is excellent.

However, when conventional polymer solid electrolytes are used for various purposes, especially as coating films, their surface hardness and abrasion resistance are extremely low even after coating and curing due to their low glass transition temperatures. It is so bad that it could not be used as a coating film.

[Problems to be Solved by the Invention] The purpose of the present invention is to eliminate the drawbacks of the prior art, and to provide a solid polymer electrolyte with excellent antistatic performance and a method for producing the same. purpose.

Yet another purpose is that it can be formed on various substrates,
In particular, the purpose is to provide a coating film that has excellent antistatic properties because it contains a solid polymer electrolyte as a component, and that improves the surface performance of the base material, such as surface hardness, flux resistance, and abrasion resistance. .

[Means for Solving the Problems] The present invention has the following configuration to achieve the above object.

[(1) A solid polymer electrolyte comprising at least an electrolyte and a polyorganosiloxane obtained by curing a hydrolyzate of an organosilicon compound represented by the following structural formula (A).

R' R2S iX 3-a (A) (wherein R1 has at least one ether bond (C-0-C) and has 3 to 40 carbon atoms, and furthermore, 5i-
It is a substituent selected from an alkyl group, an alkenyl group, an aryl group, and an aralkyl group having at least one C bond bonded to silicon and having 1 to 8 carbon atoms. X is a hydrolyzable group, and a is O or 1. )(2
) A method for producing a solid polymer electrolyte, comprising a hydrolyzate of an organosilicon compound represented by the following structural formula (A) and a hydrolyzate of an elemental compound containing at least an electrolyte.

R' R2S 1X3-a (A) (wherein, R
1 has at least one ether bond (C-O-C), has 3 to 40 carbon atoms, further has at least one 5i-C bond bonded to silicon, and has carbon A substituent selected from an alkyl group, an alkenyl group, an aryl group, and an aralkyl group having a number of 1 to 8. X is a hydrolyzable group, and a is 0 or 1. )(3) A coating film comprising the solid polymer electrolyte described in item (1) above. ” In the present invention, in order to use an organosilicon compound represented by the above structural formula (A) containing an organic group having an ether bond as a donor group as the polymer substance of the polymer solid electrolyte, High ionic conductivity and
It is possible to obtain a solid polymer electrolyte that has good antistatic performance and also has good surface properties such as surface hardness and abrasion resistance.

In the general formula (A), R1 represents an ether bond (C-
0-C) and has at least one carbon number from 3 to 40
and is further an organic group bonded to silicon through a 5t-C bond. The ether bond here refers to a structure in which an oxygen atom is bonded to two carbon atoms through a single bond, that is, R1 has at least one (C-0-C) as a - unit. is necessary.

As R1, if it meets the above requirements,
There are no particular limitations, and specific examples include those having a structure represented by the following general formula.

R→O(CH2), 1) t2(A 1)R→0C
HCH2)m (A-2)Ha R-+OCHCH2thia→O(CH2) 71) -C
H3(A3) /1,12. in the organic group represented by the above formulas (A-1) to (A-3). m and (p+q) are each an integer of 1 or more, and the integers are selected so that the number of carbon atoms contained in R1 satisfies the condition of 3 to 40. On the other hand, R in each of the above formulas is an alkyl group having 1 to 3 carbon atoms, and 3 carbon atoms.
An organic group having a substituent such as an epoxy group, a halogen group, a (meth)acryloyl group, or a mercapto group is preferred.

Among such organic groups, a substituent having an epoxy group is particularly preferable from the viewpoint that an ether bond can be formed even after the curing reaction.

Also, /1. 12. m, (p+q) should be 1 or 2, especially in applications where improving surface hardness is important.
is preferred.

Next, R2, which is a substituent included in the general formula (A), is a substituent having 1 to 8 carbon atoms selected from an alkyl group, an alkenyl group, an aryl group, and an aralkyl group, as described above. Examples include alkyl groups such as methyl, ethyl and butyl groups, aryl groups such as phenyl, alkenyl groups such as vinyl and allyl groups, and aralkyl groups such as benzyl and phenethyl groups. There is no problem even if such substituents include substituents such as halogen, amino group, mercapto group, methacryloxy group, and cyano group.

Furthermore, X, which is a hydrolyzable group contained in the general formula (A), is not particularly limited as long as it is hydrolyzable and can generate a silanol group by hydrolysis. Specific examples of X include alkoxy groups such as methoxy and ethoxy groups, alkoxyalkoxy groups such as methoxyethoxy, acyl groups such as acetoxy, and halogen groups such as chloro and bromo groups. In particular, in the case of hydrolyzable groups containing carbon atoms, the number of carbon atoms is from 1 to
No. 8 is preferably used. Furthermore, a needs to be 0 or 1 for curing.

Particularly preferred examples of the compounds represented by the above general formula (A) containing an epoxy group in R1 include glycidoxymethyltrimethoxysilane, glycidoxymethyltriethoxysilane, α -glycidoxyethyltrimethoxysilane, α-glycidoxyethyltriethoxysilane, β-glycidoxyethyltrimethoxysilane, β-glycidoxyethyltriethoxysilane, α-glycidoxypropyltrimethoxysilane, α -Glycidoxyprobyltriethoxysilane, β-
Glycidoxypropyltrimethoxysilane, β-glycidoxypropyltriethoxysilane, γ-glycidoxypropyltrimethoxysilane, γ-glycidoxypropyltriethoxysilane, γ-glycidoxypropyltripropoxysilane, γ- Glycidoxypropyltributoxysilane, γ-glycidoxypropyltrimethoxyethoxysilane, γ-glycidoxypropyltriphenoxysilane, α-glycidoxybutyltrimethoxysilane, α-glycidoxybutyltriethoxysilane, β-glycidoxybutyltrimethoxysilane, β-glycidoxybutyltriethoxysilane, γ-glycidoxybutyltrimethoxysilane, γ-glycidoxybutyltriethoxysilane, δ-glycidoxybutyltrimethoxysilane, δ-glycidoxybutyltriethoxysilane, glycidoxymethylmethyldimethoxysilane, glycidoxymethylmethyljethoxysilane, α-glycidoxyethylmethyldimethoxysilane, α-glycidoxyethylmethyljethoxysilane, β- Glycidoxyethylmethyldimethoxysilane, β-glycidoxyethylmethyljethoxysilane, α-glycidoxypropylmethyldimethoxysilane, α-glycidoxypropylmethyljethoxysilane, β-glycidoxypropylmethylmethoxysilane, β-glycidoxypropylmethyljethoxysilane, γ-glycidoxypropylmethyldimethoxysilane, γ-glycidoxypropylmethyljethoxysilane,
γ-glycidoxypropylmethyldiproboxysilane,
γ-glycidoxypropylmethyldibutoxysilane, γ
-glycidoxypropylmethyldimethoxyethoxysilane, γ-glycidoxypropylmethyldiphenoxysilane, γ-glycidoxypropylethyldimethoxysilane, γ-glycidoxypropylethyljethoxysilane,
γ-Glycidoxypropylvinyldimethoxysilane, γ
-Glycidoxypropylvinyljethoxysilane, γ-
Glycidoxypropylphenyldimethoxysilane, γ-
Glycidoxypropylphenyldiethoxysilane, γ-
Glycidoxypropyldimethylmonomethoxysilane, γ
-Glycyloxypropyldimethylmonoethoxysilane and the like.

Among these, γ-glycidoxypropyltrimethoxysilane, γ-glycidoxypropyltriethoxysilane,
γ-Glycidoxypropyltriproxysilane, γ-
Glycidoxypropyltributoxysilane, γ-glycidoxypropyltrimethethoxysilane, γ-glycidoxypropylmethyldimethoxysilane, γ-glycidoxypropylmethyljethoxysilane, γ-glycidoxypropylmethyldiproxysilane Epoxy group-containing organosilicon compounds such as , γ-glycidoxypropylmethyldibutoxyethoxysilane, and γ-glycidoxypropylmethyldimethoxyethoxysilane are particularly effective in the present invention.

These organosilicon compounds used in the present invention are used after being hydrolyzed in order to lower the curing temperature and further progress the curing process. Manufactured by stirring. Furthermore, the degree of hydrolysis can be easily controlled by adjusting the amount of pure water or acidic aqueous solution added. At the time of hydrolysis, it is preferable to add pure water or acidic aqueous solution in an amount equal to or more than 3 times the amount of the alkoxy group in terms of mole or less, from the viewpoint of accelerating curing.

During hydrolysis, alcohol and other substances are produced, so it is possible to hydrolyze without a solvent, but in order to make the hydrolysis more even, it is possible to mix the organosilicon compound and a solvent before hydrolysis. is also possible. Further, depending on the purpose, it is also possible to remove the drop equivalent amount of the hydrolyzed alcohol etc. under heating and/or reduced pressure before use, and it is also possible to add an appropriate solvent after that.

Examples of these solvents include alcohols, esters, ethers, ketones, halogenated hydrocarbons, and aromatic hydrocarbons such as toluene and xylene. Moreover, these solvents can also be used as a mixed solvent of two or more types as required.

As described below, when adding an electrolyte to a composition containing at least a hydrolyzate of an organosilicon compound represented by structural formula (A) in the method for producing a solid polymer electrolyte, alcohol, ester, ketone, halogen, etc. It is preferable to use a polar solvent such as carbonized hydrocarbon.

Furthermore, depending on the purpose, it is possible to accelerate the hydrolysis reaction and further advance reactions such as precondensation by heating above room temperature, or to suppress precondensation, the hydrolysis temperature can be lowered to below room temperature. Needless to say, it is possible to do so.

It is also possible to add curing catalysts, curing accelerators, crosslinking agents, etc. for the same purpose. Examples of these include aluminum compounds such as aluminum alkoxide and aluminum acetylacetonate, other metal complexes, imidazole, and organic acid anhydrides. Epoxy resin curing agents such as various compounds and various amine compounds can be used.

The electrolyte, which is another essential component of the present invention, includes conventional high-temperature salts such as perchlorates, thiocyanates, trifluoromethyl sulfates, and halogenated salts of alkali metals, alkaline earth metals, and transition metals. It may be an electrolyte used in molecular solid electrolytes, and is not particularly limited. Specific examples include LiCl0a, LiCl, LiBr
, LiI.

LiCF3803. Li5CN, NaCll0a.

NaCl, NaBr, NaI, NaCF3803°N
a5CN, KClO4, KCA', KBr, KI.

There are KCF3803, KSCN, etc.

Further, as a method for producing the solid polymer electrolyte, a method of curing a composition containing at least a hydrolyzate of an organosilicon compound represented by the structural formula (A) and an electrolyte, or a method of curing a composition represented by the structural formula (A) There is a method of curing a composition containing at least an organosilicon compound, and then impregnating the composition with an electrolyte-containing solvent to contain the electrolyte, but the former method is simple and preferred. In this case, the organosilicon compound and the electrolyte may be added at any point during composition preparation.

The content of the above electrolyte in the solid electrolyte is expressed as the ratio (nM/no) of the number of metal ions in the electrolyte (nM) and the number of ether bonds (no) in the organosilicon compound.
It is preferable that nM/n is contained in an amount of 0.001 or more and 1 or less, and more preferably nM/no is 0.001 or more and 1 or less.
A value of 01 or more and 0.5 or less is preferable because good ionic conductivity is obtained and antistatic properties are particularly improved.

The amount of electrolyte added is 0.001 at the above n M / no
If it is less than 1, the ionic conductivity tends to be low and the antistatic performance is insufficient, and if it exceeds 1, the added electrolyte cannot exist in the polymer electrolyte after curing and may precipitate or become charged. Surface properties other than the prevention performance tend to deteriorate.

Note that the number of metal ions (nM) and the number of ether bonds (n
o) is added when producing a polymer solid electrolyte,
It can be determined, for example, by the following method from the electrolyte amount, the organosilicon compound, and in some cases the polyether compound described below.

The number nM of metal ions in the obtained solid polymer electrolyte is
It can be determined by extracting the added electrolyte component by immersing it in a polar solvent such as alcohol, ester, ketone, or halogenated hydrocarbon, and quantifying the cations in this extract using various inorganic analysis methods. . Various inorganic analysis methods include inductively coupled optical emission spectroscopy (ICP method),
X-ray fluorescence spectrometry, atomic absorption spectrometry, TCP mass spectrometry,
There are methods such as ion chromatography.

On the other hand, the number of ether bonds in the polymer solid electrolyte (no
) corresponds to the number of ether oxygens, and can be determined by integrating the spectrum of hydrogen atoms bonded to carbon atoms adjacent to oxygen atoms from proton NMR measurements in the state of the coating composition before curing. I can do it.

Further, the above-mentioned composition is mainly cured by heat treatment, which can be carried out using hot air, infrared rays, or the like. The heating temperature should be determined by the composition, but is usually 50
C. to 250.degree. C., more preferably 60.degree. C. to 200.degree. C. are used.

In the polymer solid electrolyte of the present invention, a polyether compound having at least one ether bond in the molecule may be added together with the organosilicon compound represented by the structural formula (A) in order to further improve the ionic conductivity. is also preferable. Specific examples of such polyether compounds include compounds having at least one structure represented by the following general formula in the molecule.

+o (CH2), ±π (B-1)-fOCH
CH2 Te Ding (B-2) H3 -eOCHCH2 Taer→O(CH2) -+÷τCH3
(B-3) ll in the organic group represented by the above formulas (B-1) to (B-3), 12. m and (p+q) are each an integer of 1 or more and 40 or less. Furthermore, it has a structure represented by the formulas (B-1) to (B-3) above in its molecule, and has various structures other than the organosilicon compound represented by the structural formula (A) and the hole (A) described below. Functional groups such as vinyl groups, (meth)acrylic groups, epoxy groups, isocyanate groups, hydroxyl groups, thiol groups, carboxyl groups, cyano groups, amino groups, halogen groups, etc. that can react with the functional groups of organosilicon compounds are included in the molecule. A polyether compound having at least one of (A
), and (A) It is also preferable to copolymerize with an organosilicon compound other than the hole.

Among the above polyether compounds, it is particularly preferable to add a polyether compound having an epoxy group from the viewpoint that an ether bond can be generated even after the curing reaction. Compounds containing terminal epoxy groups of polyalkylene glycol such as glycidyl ether, polypropylene glycol (mono/di)glycidyl ether, polytetramethylene glycol (mono/di)glycidyl ether, glycerol (mono/di/tri)glycidyl ether, diglycerol (mono/di/tri/tetra/penta/hexa) glycidyl ether, triglycerol (
Compounds containing terminal epoxy groups of glycerin derivatives such as mono/di/tri/tetra/penta/hexa/hepta/octa/nona) glycidyl ethers, and sorbitol,
Examples include terminal glycidyl ether derivatives such as pentaerythritol, neopentyl glycol, and trimethylolpropane.

Furthermore, polyether compounds having multiple functional groups such as the above vinyl groups, (meth)acrylic groups, and epoxy groups,
It is a particularly preferred additive substance in that it improves ionic conductivity without impairing surface properties.

Furthermore, the composition forming the solid polymer electrolyte of the present invention may contain various organosilicon compounds other than those represented by the general formula (A), and may also include the above-mentioned polyether compounds. A compound having a functional group that can be polymerized is included, and may be copolymerized. Such organosilicon compounds include methyltrimethoxysilane, methyltriethoxysilane, methyltripropoxysilane, methyltrimethoxyethoxysilane, methyltriacetoxysilane, methyltributoxysilane, ethyltrimethoxysilane, ethyltriethoxysilane, and vinyltrimethoxysilane. Methoxysilane, vinyltriethoxysilane, vinyltriacetoxysilane, vinyltrimethoxyethoxysilane, phenyltrimethoxysilane, phenyltriethoxysilane,
Phenyltriacetoxysilane, γ-chloropropyltrimethoxysilane, γ-chloropropyltriethoxysilane, γ-chloropropyltriacetoxysilane, 3.
3.3-Trifluoropropyltrimethoxysilane, γ-
methacryloxypropyltrimethoxysilane, γ-aminopropyltriethoxysilane γ-aminopropyltrimethoxyethoxysilane, γ-mercaptopropyltrimethoxysilane, γ-mercaptopropyltrimethoxyethoxysilane, γ-mercaptopropyltriethoxyethoxysilane, Trialkoxysilanes such as N-β-(aminoethyl)-γ-aminopropyltrimethoxysilane, β-cyanoethyltriethoxysilane, methyltriphenoxysilane, chloromethyltrimethoxysilane, chloromethyltriethoxysilane, triadyloxy Silane or triphenoxysilanes or their hydrolysates and dimethyldimethoxysilane, phenylmethyldimethoxysilane, dimethyljethoxysilane, phenylmethyljethoxysilane, γ-chloropropylmethyldimethoxysilane, γ-chloropropylmethyljethoxysilane, Dimethyldiacetoxysilane, γ-methacryloxypropylmethyldimethoxysilane, γ-methacryloxypropylmethyljethoxysilane, γ-mercaptopropylmethyldimethoxysilane, γ-mercaptopropylmethyljethoxysilane, γ-aminopropylmethyldimethoxysilane, γ Examples include dialkoxysilanes or diacyloxysilanes such as -aminopropylmethyljethoxysilane, methylvinyldimethoxysilane, and methylvinyljethoxysilane.

Furthermore, examples of compounds having polymerizable functional groups include vinyl compounds, (meth)acrylic compounds, isocyanurate compounds, and epoxy compounds.

Furthermore, it is also possible to add various substances other than the above-mentioned compounds to the solid polymer electrolyte of the present invention. For example, it is one of the preferred embodiments to contain fine particles of metal or metal oxide depending on the purpose of increasing the surface hardness or changing the refractive index. Such fine particles include 5i02 sol, 5b205 sol, Ce
O2-T i O2 sol, TiO2-8n sol, MgF
There are 2 sols, etc. Further, in order to improve other surface properties, it is also preferable to add surfactants and the like in addition to ultraviolet absorbers and antioxidants.

The solid polymer electrolyte of the present invention is particularly preferably used as a coating film applied on the surface of various base materials,
Surface properties such as surface hardness, solvent resistance, and abrasion resistance of the base material can be improved.

When used as a coating film, the base material is:
Although not particularly limited, glass and plastic materials provide particularly effective results from the viewpoint of liquid coating. The above plastic materials include polymethyl methacrylate and its copolymers, polycarbonate, diethylene glycol bisallyl carbonate (CR
-39''), polyesters, especially polyethylene terephthalate, and unsaturated polyesters, acrylonitrile-styrene copolymers, vinyl chloride, polyurethane, epoxy resins, etc. are preferred.Furthermore, the above-mentioned plastics, glasses, etc. coated with various coating materials are preferred. It can also be preferably applied to materials.

Furthermore, various chemical and physical treatments can be applied to the above-mentioned base material and the base material further coated with the coating material in order to improve the adhesion and wettability with the coating film. For example, chemical treatments include hot water immersion, solvent immersion, redox treatment, acid or alkali treatment, etc.
Physical treatments include plasma treatment, corona discharge treatment,
A preferred example is ultraviolet irradiation.

As a method for applying the coating film, methods used in ordinary coating operations can be used, such as a dipping method, a spin method, a roll method, and a spray method, but the method is not particularly limited.

In addition, the thickness of the coating film should be set according to the required antistatic performance and other surface properties, and is not particularly limited, but is 0.01 μm to 10 μm.
m is preferred.

Depending on the above-mentioned coating method and film thickness, it is also possible to dilute the paint that provides the coating film with various volatile solvents.

Such a solvent is not particularly limited, but should be determined in consideration of the stability of the composition, wettability to the base material, volatility, etc. when used. Also, the solvent is
It is also possible to use not only one type but also a mixture of two or more types.

In addition to coating films, the solid polymer electrolyte of the present invention can be used in various applications in which solid polymer electrolytes are generally used, such as primary and secondary batteries, electrochromic display elements, gas sensors, and ion sensors.

[Example] The present invention will be explained in detail with reference to Examples below, but the present invention is not limited thereto.

Example 1 (1) Preparation of γ-glycidoxypropyltrimethoxysilane hydrolyzate 176 g of γ-glycidoxypropyltrimethoxysilane
0.0 while controlling the liquid temperature to 10℃ under stirring.
40.3 g of a 5N aqueous hydrochloric acid solution was added dropwise and mixed to obtain a hydrolyzate.

(2) Preparation of coating composition 51.8 g of the hydrolyzate prepared in the previous section (1), 18.3 g of ethanol, 18°3 g of n-propatool, 1.5 g of aluminum acetylacetonate, silicone surfactant ( 0.15 g of "5RX-294A" manufactured by Dow Corning Silicone Co.) was added and stirred until uniform.

Thereafter, 3.15 g of lithium perchlorate (metal ion to ether bond ratio nM/no o.

08) to obtain a coating composition.

(3) Coating and curing A plate of diethylene glycol bisallyl carbonate (CR-39'') was used as the base plastic plate. As a pretreatment, it was immersed in an aqueous sodium hydroxide solution, then washed and dried. The coating composition was applied using a dipping method.The coating conditions were a pulling rate of 2.
0 cm/min, and the coated plate was heated and cured for 2 hours in a hot air dryer at 93°C.

(4) Test Results The performance of the plastic plate having the obtained coating film was tested according to the following method.

The results are shown in Table 1.

(b) Appearance The transparency, coloration, and presence or absence of cracks were observed with the naked eye.

(b) Steel wool with a hardness of #0OOOO was rubbed on the coating film to judge the degree of damage.

The criteria for judgment are: A: Hardly any scratches occur even when rubbed strongly B: Strong (slight scratches occur when rubbed (c) Adhesiveness IIn! [100 goblets reaching the plastic plate at 1 interval] After each piece was placed, cellophane adhesive tape (trade name: "Cellophane Tape", manufactured by Nichiban Co., Ltd.) was strongly applied, and then rapidly peeled off in a 90-degree direction to examine whether or not the paint film had peeled off.

(d) Antistatic property After being left overnight at 20° C. and 65% RH, the coating film was rubbed with deerskin and judged based on the degree of adhesion of ash.

A: Ash does not adhere B: Ash adheres Example 2 Example 1 except that the amount of lithium perchlorate added was 6.3 g (ratio of metal ion to ether bond nM/no = Q, 16) A plastic plate with a coating film was obtained in the same manner as above. Further, the performance was evaluated in the same manner as in Example 1, and the results are shown in Table 1.

Comparative Example 1 A plastic plate having a coating film was obtained in the same manner as in Example 1 except that lithium perchlorate was not added. In addition, the performance was evaluated in the same manner as in Example 1,
The results are shown in Table 1.

Furthermore, it can be formed as a coating film on various base materials, and can improve surface properties such as surface hardness, solvent resistance, and abrasion resistance.

Claims (3)

[Claims] (1) A polymer solid electrolyte characterized by containing at least an electrolyte and a polyorganosiloxane obtained by curing a hydrolyzate of an organosilicon compound represented by the following structural formula (A). R^1R^2_aSiX_3_-_a(A) (in the formula, R
^1 has at least one ether bond (C-O-C) and has 3 to 40 carbon atoms, and furthermore, Si-C
It is an organic group that is bonded to silicon through a bond. R^2 is a substituent selected from an alkyl group, an alkenyl group, an aryl group, and an aralkyl group having 1 to 8 carbon atoms. X
is a hydrolyzable group, and a is 0 or 1. ) (2) A method for producing a solid polymer electrolyte, which comprises curing a composition containing at least a hydrolyzate of an organosilicon compound represented by the following structural formula (A) and an electrolyte. R^1R^2_aSiX_3_-_a(A) (in the formula, R
^1 has at least one ether bond (C-O-C) and has 3 to 40 carbon atoms, and furthermore, Si-C
It is an organic group that is bonded to silicon through a bond. R^2 is a substituent selected from an alkyl group, an alkenyl group, an aryl group, and an aralkyl group having 1 to 8 carbon atoms. X
is a hydrolyzable group, and a is 0 or 1. ) (3) A coating film comprising the polymer solid electrolyte according to claim (1).