A non-aqueous absorbent comprising a crosslinked polymer which contains a structural unit having a carboxyl group and/or a sulfonate group in an amount of 20 to 100% weight in its molecule and in which from 30 to 100% by mol of the protons in the carboxyl group and/or the sulfonate group have been s
A non-aqueous absorbent comprising a crosslinked polymer which contains a structural unit having a carboxyl group and/or a sulfonate group in an amount of 20 to 100% weight in its molecule and in which from 30 to 100% by mol of the protons in the carboxyl group and/or the sulfonate group have been substituted by onium cations; a non-aqueous gel made of this non-aqueous absorbent and an organic solvent; and a non-aqueous absorbent sheet and a non-aqueous absorbent agent containing the non-aqueous absorbent. Because of having excellent capabilities of absorbing and holding various organic solvents such as alcohols and gelating, these materials are usable for various purposes, for example, lithium batteries, alcohol-based bactericidal materials or alcohol-based bactericides, cold insulating materials or cold insulators, gel sheets for cooling, fuel compositions for solid fuels or solid fuels using the same, fragrance materials or fragrances, patch materials or patches, insecticidal compositions or insecticides, fuel stores for fuel batteries or fuel batteries using the same.
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What is claimed is: 1. A non-aqueous absorbent (B) comprising a crosslinked polymer (1) which contains 20 to 100% by weight of a structural unit having a carboxyl group and/or a sulfonate group in its molecule, and in which from 50 to 100% by mol of the protons of the carboxyl groups and/or the sul
What is claimed is: 1. A non-aqueous absorbent (B) comprising a crosslinked polymer (1) which contains 20 to 100% by weight of a structural unit having a carboxyl group and/or a sulfonate group in its molecule, and in which from 50 to 100% by mol of the protons of the carboxyl groups and/or the sulfonate groups have been substituted with one or more onium cations selected from the group consisting of imidazolium cations and imidazolinium cations by reaction with a hydroxide salt or a monomethyl carbonate salt of the onium cation. 2. The non-aqueous absorbent (B) according to claim 1, wherein a content of the structural unit having a carboxyl group and/or a sulfonate group of the polymer (1) is 40 to 100% by weight, and 50 to 100% by mol of protons of the carboxyl group and/or the sulfonate group have been substituted with onium cations. 3. The non-aqueous absorbent (B) according to claim 1, wherein an amount of holding an organic solvent selected from propylene carbonate, γ-butyrolactone, ethanol and methanol is 10 g/g to 1,000 g/g. 4. A non-aqueous gel (C), which comprises the non-aqueous absorbent (B) according to claim 1 and an organic solvent (2). 5. The non-aqueous gel (C) according to claim 4, wherein the organic solvent (2) is one or more selected from the group consisting of an alcohol organic solvent, a glycol organic solvent, a carbonate organic solvent, a ketone organic solvent, an ether organic solvent, an aliphatic hydrocarbon organic solvent, an aromatic hydrocarbon organic solvent, a carboxylic acid ester organic solvent, a lactone organic solvent and a lactam organic solvent. 6. The non-aqueous gel (C) according to claim 4, wherein a polymer (1) which contains 20 to 100% by weight of a structural unit having a carboxyl group and/or a sulfonate group in its molecule and in which from 50 to 100% by mol of protons of the carboxyl group and/or the sulfonate group have been substituted with onium cations is dissolved in the organic solvent (2), and is crosslinked using one or more crosslinking means selected from the group consisting of a crosslinking agent, irradiation with ultraviolet-ray or radiation, and heating. 7. The non-aqueous gel (C) according to claim 4, wherein the gel is obtained by polymerizing 20 to 100% by weight of a monomer which contains a carboxyl group and/or a sulfonate group, and in which from 50 to 100% by mol of protons of the carboxyl group and/or the sulfonate group have been substituted with onium cations and, if necessary, 0 to 80% by weight of other copolymerizable monomer, in the organic solvent (2) in the presence of a crosslinking agent. 8. A non-aqueous absorbent sheet (D), which comprises the non-aqueous absorbent (B) according to claim 1, and a substrate selected from the group consisting of a non-woven fabric, a woven fabric, a paper and a film. 9. The non-aqueous absorbent sheet (D) according to claim 8, wherein the polymer (1) which contains 20 to 100% by weight of a structural unit having a carboxylic acid group and/or a sulfonate group in its molecule, and in which from 50 to 100% by mol of protons of the carboxylic acid group and/or the sulfonate group have been substituted with onium cations, is impregnated into and/or coated on one or more substrates selected from the group consisting of a non-woven fabric, a woven fabric, a paper and a film, and thereafter is crosslinked using one or more crosslinking means selected from the group consisting of a crosslinking agent, irradiation with ultraviolet-ray or radiation, and by heating. 10. The non-aqueous absorbent sheet (D) according to claim 8, wherein a mixed solution containing 20 to 100% by weight of a monomer which contains a carboxyl group and/or a sulfonic group and in which from 50 to 100% by mol of protons of the carboxyl group and/or the sulfonate group have been substituted with onium cations, 0 to 80% by weight of other copolymerizable monomer, and a crosslinking agent is impregnated into and/or coated on one or more substrates selected from the group consisting of a non-woven fabric, a paper, a woven fabric and a film, and thereafter the substrate is polymerized using one or more means selected from the group consisting of a polymerization initiator, irradiation with ultraviolet-ray or radiation, and heating. 11. A non-aqueous absorbent (B) characterized in that a shape of the non-aqueous absorbent (B) according to claim 1 is a particle having an average particle diameter of 1 to 5,000 μm. 12. The non-aqueous absorbent (B) according to claim 1, which is used as a constitutional material for an alcohol-based bactericidal material or an alcohol-based bactericide, a cool insulating material or a cool insulator, a gel sheet for cooling, a fuel composition for solid fuels or a solid fuel using the same, a fragrance material or a fragrance, a patch material or a patch, an insecticidal composition or an insecticide, or a fuel store for fuel batteries or a fuel battery using the same. 13. An alcohol-based bactericidal material or an alcohol-based bactericide, a cool insulating material or a cool insulator, a gel sheet for cooling, or a fuel composition for solid fuels or solid fuel using the same, which comprises the non-aqueous absorbent (B) according to claim 1 and an alcohol solvent. 14. A fragrance material or a fragrance, which comprises the non-aqueous absorbent (B) according to claim 1 and an aromatic drug. 15. A patch material or a patch, which comprises the non-aqueous absorbent (B) according to claim 1 and a percutaneous absorption drug. 16. An insecticidal composition or an insecticide, which comprises the non-aqueous absorbent (B) according to claim 1 and a pyrethroid insecticidal ingredient. 17. A fuel store for fuel batteries or a fuel battery using the same, which comprises the non-aqueous absorbent (B) according to claim 1 and a liquid fuel for fuel batteries. 18. A lithium battery characterized in that the non-aqueous absorbent (B) according to claim 1 is used as a gel electrolyte.
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이 특허에 인용된 특허 (4)
Burkholder Nelson D. (Castro Valley CA), Absorbent articles and methods for their preparation.
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