86 results about "Cyclic hydrocarbon" patented technology

The invention belongs to the technical field of materials, and particularly relates to high-temperature-resistant resin, a light-cured composition and application of the light-cured composition. The high-temperature-resistant resin is at least polymerized from the following raw materials: a hydrocarbon compound with an olefinic unsaturated double-bond chain segment at the tail end; a terminal unsaturated carboxylic acid; and a substituted maleimide compound, in which a substituent group is a substituted or unsubstituted polynuclear cyclic hydrocarbon group, and a substitution site is hydrogen on N. The photocuring composition comprises high-temperature-resistant resin, a resin monomer, a photopolymerization initiator, an auxiliary agent and a solvent. The photocuring composition provided by the invention is applied to the fields of preparation of organic display light-emitting devices, liquid crystal displays and the like, and has the advantages of good heat resistance, high bonding strength, good chemical resistance and the like.

A curable composition for spray coating contains 100 parts by weight of a polyalkylene oxide-based polymer (A) having a reactive silicon group, 10 to 50 parts by weight of a hydrocarbon-based diluent (B), 30 to 90 parts by weight of a plasticizer (C) which is a dicarboxylic acid ester containing a cyclic hydrocarbon group, and 0.6 to 7 parts by weight of a polyamide-based rheology modifier (D). A cured film is produced by spraying the above curable composition on the surface of a substrate and curing it.

The present invention relates to catalyst composition for cyclic carbonate production from CO2 and epoxides under mild conditions, which can effectively catalyze the cyclic carbonate synthesis and provides good selectivity to cyclic carbonate, wherein said catalyst composition comprising:a) the metal complex as shown in structure (I):wherein,M represents transition metal atom;R1, R2, and R3 represent independent group selected from hydrogen atom, halogen atom, alkyl group, alkenyl group, alkynyl group, alkoxy group, amine group, phenyl group, benzyl group, cyclic hydrocarbon group comprising hetero atom, perfluoroalkyl group, or nitro group;R4 represents group selected from alkylene group, cycloalkylene group, or phenylene group;X represents group selected from hydrogen atom, acetate group, or triflate group; andb) the organic compound as the co-catalyst selected from compound containing nitrogen, compound of quaternary ammonium salts, or compound of iminium salts.

There is provided a compound represented by general formula (1) or an ionized form thereof for use in the preparation of lipid nanoparticles encapsulating therapeutic, prophylactic and / or biological agents: wherein NR1R2 is a group ionizable at pH from 3 to physiological pH; a comprises a linear aliphatic hydrocarbon, a branched aliphatic hydrocarbon and / or a cyclic hydrocarbon, optionally comprising one or more groups selected from the group consisting of-OH,-NR-,-O-,-O-CxH2x-O-, where x > = 1; and wherein R is H, an optionally substituted alkyl group, an optionally substituted alkenyl group, or an optionally substituted alkynyl group; r3, R4, R5, R6 and R7 are each independently H, an optionally substituted alkyl group, an optionally substituted alkenyl group or an optionally substituted alkynyl group; and R8 and R9 are each independently a hydrophobic group.

To provide a carboxylate, a carboxylic acid generator, and a resist composition which allow a resist pattern having good CD uniformity to be produced.SOLUTION: There are provided: a carboxylic acid generator containing a carboxylate represented by formula (I); and a resist composition. [In the formula, W1 represents a substituted / unsubstituted cyclic hydrocarbon group; L1 represents a single bond or a substituted / unsubstituted hydrocarbon group, L2 represents a substituted / unsubstituted hydrocarbon group, and -CH2- in the groups may be substituted with -O-, -S-, -SO2-, -NR11-, -CO- or the like; R1 and R11 each represent a hydrogen atom or an alkyl group; L3 represents a single bond or an alkanediyl group, and -CH2- in the group may be substituted with -O- or -CO-; R5 represents -X51-R10 or -X52-L11-X51-R10, X51 and X52 each represent -CO-O-, -O-CO- or the like, L11 represents a substituted / unsubstituted hydrocarbon group, and R10 represents an acid-labile group; and Z+ represents an organic cation.]SELECTED DRAWING: None

A composition comprising an oily medium system and an active ingredient, and a method of increasing the bioavailable rate of an active ingredient, where the method comprises incorporating the active ingredient into an oily medium system, and where the oily medium system contains a vegetable oil and / or a component of a vegetable oil, the liquid does not contain the following substances: a phosphate buffer solution, polyethylene glycol, dimethyl sulfoxide, ethanol, polypropylene glycol, polysorbate, ethyl acetate, 12-hydroxystearic acid hydroxyethyl ester and tocopherol polyethylene glycol succinate; the active ingredient is selected from the group consisting of compounds of formula (I) wherein T1 is a C6 cyclic hydrocarbon and R1 is a C1-C8 aliphatic hydrocarbon group, pharmaceutically acceptable salts thereof, and combinations thereof.

The application discloses a kind of bivalent ligand molecules for targeting BCL6 protein degradation and application thereof, it is related to the technical field of drug development;The structure general formula of the bivalent ligand molecules for targeting BCL6 protein degradation is as follows: M1-L-M2;Wherein, M1 and M2 are independent structure same or different BCL6 protein ligand;L is any chain or cyclic hydrocarbon fragment capable of forming covalent bond with BCL6 ligand.The application also provides the application of the bivalent ligand molecules in the preparation of anti-tumor and / or immune disease drugs.The bivalent ligand molecules can exert good anti-tumor activity on a variety of BCL6-dependent tumors by selectively inducing BCL6 protein degradation, and are also related to the occurrence of a variety of immune diseases, and can be used in related tumor and immune disease drugs.

Provided is a method for preparing a regenerated polymer, comprising: (S1) supplying a mixed solvent of a first solvent comprising a C3-8 alkyl acetate and a second solvent of a non-aromatic cyclic hydrocarbon to a dissolving tank and a precipitation tank, respectively; (S2) supplying a composite resin to the dissolving tank, heating to a dissolving temperature, and dissolving a polymer contained in the composite resin while maintaining the dissolving tank at the dissolving temperature to obtain a polymer solution; (S3) supplying the polymer solution into the precipitation tank, maintaining the mixed solvent in the precipitation tank at a precipitation temperature, and precipitating the polymer contained in the polymer solution to obtain a solution containing a polymer precipitate having a spherical shape; and (S4) press-filtering the solution containing the polymer precipitate having a spherical shape to obtain the polymer precipitate.

The purpose of the present invention is to provide: a compound capable of forming a surface layer having excellent oil repellency; a surface treatment agent; an article having a surface layer formed from the compound; and a method for producing the article.　This compound is represented by the formula: (Rf)n-L3-L4-L1-(T1)x1. Rf is -OCF3 or the like; n is an integer of 2 or more; L3 is an (n+1)-valent group having no fluorine atom and no organosiloxane residue, or an (n+1)-valent group having no organosiloxane residue, and including a cyclic hydrocarbon group that may contain an oxygen atom or a nitrogen atom as a ring member atom, in which at least one hydrogen atom is substituted with a fluorine atom; L4 is a divalent hydrocarbon group which may have a group such as -O-; L1 is a single bond or a trivalent or higher (1+x1)-valent group; T1 is a reactive group excluding a specific group; and x1 is an integer of 1-10.

A purpose of the present invention is to provide a pressure-sensitive adhesive tape that has excellent level-difference conformability and excellent bending resistance, and that is capable of maintaining adhesion reliability even in a high-temperature and high-humidity environment. Another purpose of the present invention is to provide an electronic device including said pressure-sensitive adhesive tape. The present invention pertains to a pressure-sensitive adhesive tape that has a pressure-sensitive adhesive agent layer having a foamed structure. The pressure-sensitive adhesive agent layer contains an acrylic copolymer that has structural units derived from a (meth)acrylic acid ester having a hydrocarbon group. The structural units derived from a (meth)acrylic acid ester having a hydrocarbon group are represented by formula (1), and include a structural unit derived from a (meth)acrylic acid ester that, when being formed into a homopolymer, exhibits a glass transition temperature of 120°C or more. In the formula, R1 represents a hydrogen atom or a methyl group, R2 represents a hydrogen atom or a hydrocarbon group, and R3 and R4 each independently represent a hydrocarbon group or are bonded as R3-C-R4 to form a cyclic hydrocarbon group.

A layered optical film in which at least an iodine-based polarizer and an optical film are laminated with an adhesive layer therebetween, wherein the adhesive layer is a cured product layer of an adhesive composition containing at least a (meth)acrylate compound and a photopolymerization initiator, and the adhesive composition contains 70 parts by mass or more of a (meth)acrylate (A) having a cyclic hydrocarbon skeleton in the molecule on the basis of 100 parts by mass in total of the (meth)acrylate compound. The (meth)acrylate (A) is preferably a compound having 5-12 carbon atoms constituting the cyclic hydrocarbon skeleton in the molecule.

Provided are ion exchange resins comprising an insoluble matrix having functional groups bonded thereto, the functional groups comprising a quaternary alkylphosphonium salt represented by the formula: - P(R1R2R3)+ X- wherein X- is an anionic counterion; and R1, R2 and R3 are independently acyclic hydrocarbon groups having a carbon chain length of C4 to C18. Systems for PFAS removal from water and methods of PFAS removal from water are also provided.

The invention relates to a process for extracting rare earths from an aqueous solution A1, comprising contacting A1 with an organic solution and then separating the aqueous and organic solutions, the organic solution comprising an HDES consisting of: - a first compound of formula (I) or (II): in which: R1 to R4 = alkyl group in C1 to C18; R5 to R8 = H or alkyl group in C1 to C18; R9 to R12 = alkyl group in C1 to C18; R13 and R14 = H, alkyl group in C1 to C18 or –(CH2)nOR group in which n is an integer from 1 to 8 and R = alkyl group in C1 to C8; and the total number of carbon atoms is at least 24; and- a second compound of formula R'-OH or R'-COOH, in which R' = acyclic or cyclic hydrocarbon group, saturated or unsaturated, possibly comprising one or more branches and whose total number of carbon atoms ranges from 6 to 28.The invention also relates to a method for recovering rare earths by implementing this extraction process.

The present application provides a photopolymer printing original plate for relief printing, which has excellent resistance to swelling of an oily ink containing an ester compound. A photopolymer printing original plate for relief printing, which has a photosensitive resin layer formed from a photosensitive resin composition containing at least a high molecular compound (A), a dibasic acid diester (B) represented by the following general formula (I), a photopolymerizable compound (C), and a photopolymerization initiator (D), characterized in that the content of the dibasic acid diester (B) in the photosensitive resin composition is 2.5 to 15 mass %.(In the formula, R 1 represents a divalent aliphatic hydrocarbon group having 2 to 8 carbon atoms, a divalent aromatic hydrocarbon group having 6 to 14 carbon atoms, or a divalent aliphatic cyclic hydrocarbon group having 4 to 14 carbon atoms; R 2 and R 3 may be the same as or different from each other, and represent a linear or branched aliphatic hydrocarbon group having 1 to 12 carbon atoms.)

A method for manufacturing a β-lactam compound includes the following steps: introducing a reaction solution (i), a solution of an acid halide (ii), and a solution (iii) of a β-lactam compound (a) having an amino group into different flow paths, allowing each solution to flow within its respective flow path. The reaction solution (i) is a reaction solution obtained by dissolving a metal salt (y) of formula (2) obtained by introducing a protecting group onto the amino group of the metal salt (x) in a solution of formula (1); generating a mixed acid anhydride by merging the reaction solution (i) and solution (ii); and generating a β-lactam compound (b) having an amide bond by merging the merged liquid (M1) and solution (iii). In the formulas, R represents a cyclic hydrocarbon group, M represents an alkali metal, and X represents a protecting group.

An object of the present invention is to provide a polymerizable composition which has excellent wettability to various substrates having a wide range of polarity from low polarity to high polarity, such as an organic substrate, an inorganic substrate, and a substrate formed of an organic-inorganic composite material, has high transparency and curability, and can provide a cured product having excellent water resistance by being cured, a polymer of the polymerizable composition, and a coating agent composition using the same.SOLUTION: The coating agent composition comprises a polymerizable composition containing an N-substituted (meth) acrylamide (A) represented by general formula [1] and / or a polymer thereof. (In the formula, R1 represents hydrogen or methyl, one of R2 and R3 represents a chain hydrocarbyl group having 6 or more carbon atoms or a cyclic hydrocarbyl group having 6 or more carbon atoms, and the other represents hydrogen, a chain hydrocarbyl group having 1 or more carbon atoms, or a cyclic hydrocarbyl group having 3 or more carbon atoms.). )

An object is to provide a carboxylate, a carboxylic acid generator, and a resist composition capable of producing a resist pattern having good line edge roughness. 【Solution means】A carboxylic acid generator and a resist composition containing the carboxylate represented by formula (I). TIFF2026048054000182.tif33157 [In the formula, W 4 , 4 , 4 , 1 , 2 , 1 , 1 , 10 , + is a substituted / unsubstituted cyclic hydrocarbon group; L 10 is a single bond or a substituted / unsubstituted hydrocarbon group; A 1 is a hydrocarbon group; R 1 is a hydrogen atom or a hydrocarbon group; L 1 is a single bond or an alkanediyl group; L 2 is an alkanediyl group; Ar is an aromatic hydrocarbon ring; R 4 is a halogen atom, a cyano group, a hydrocarbon group, etc., and two Rs 4 may combine together to form a ring having another R 4 ; m4 is an integer from 0 to 6; mm2 is an integer from 1 to 5, Z + represents an organic cation. ]

The present invention relates to a method for preparing hydrocarbon double acids using a cyclic hydrocarbon oxidation catalyst, wherein adipic acid and dodecanedioic acid may be produced with high yield while solving the problem of environmental pollution, the adipic acid and the dodecanedioic acid being prepared by using an oxidation reaction of a cyclohexane-cyclohexanone mixture and an oxidation reaction of a cyclododecane-cyclododecanone mixture, respectively, in the presence of a vanadium phosphate oxide-based catalyst and / or a cobalt-manganese oxide-based catalyst.

An object is to provide a resist composition or the like that can produce a resist pattern having good CD uniformity (CDU). 【Solution means】A resist composition containing a carboxylate represented by formula (I). TIFF2026110561000183.tif18112[In formula (I), L 10 represents a chain hydrocarbon group having 1 to 12 carbon atoms which may have a fluorine atom. L 2 represents a single bond or a hydrocarbon group having 1 to 40 carbon atoms which may have a substituent, and -CH2- contained in the hydrocarbon group may be replaced by -O-, -CO-, -S-, -SO-, -SO2- or -NR 7 -. R 7 represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms. W 1 represents a cyclic hydrocarbon group having 3 to 36 carbon atoms having an iodine atom, and -CH2- contained in the cyclic hydrocarbon group may be replaced by -O-, -CO-, -S-, -SO-, -SO2- or -NR 7 -, and the cyclic hydrocarbon group may have a substituent other than an iodine atom. Z + represents an organic cation.]

The present invention relates to a process for preparing an at least partially acetal-protected sugar, comprising the step of reacting a sugar or sugar derivative selected from the group consisting of aldopentoses, aldohexoses, aldopentosides and aldohexosides with an aldehyde or aldehyde source in the presence of a heterogeneous acidic catalyst to form an at least partially acetal-protected sugar selected from the group consisting of compounds of formula (I), (II), (III), (IV), (V), (VI), (VII), (VIII), (IX), (X), (XI) and (XII): In the formula, R1, R1', R2, R2', R3, R3', R4, R5, R6, R7, R8, R9, R 10 , R 11 , R 12 and R 12 and R and R′, R and R′, R and R′, and R 12 and R 12 are identical or different from one another; and Y is hydrogen or a straight, branched, or cyclic hydrocarbon moiety having 1 to 20 carbon atoms; Z is a linear, branched, or cyclic hydrocarbon moiety having 0 to 12 carbon atoms, optionally substituted with 1 to 4 C1-C4 alkyl groups, or 1 to 4 halogen atoms, or a benzyl group; and E is -COOH, -CH(COOH)2, -COOR 19 , -CH(COOR 20 )(COOR 21 ), -CHO, -CH(CHO)2, -C2H3, -CH(C2H3)2, -CHCHR 22 , -CHCR 23 R 24 , -C2H, -C2R 25 , -N3, -NH2, -CH(NH2)2, -NHR 26 , -CH(NHR 27 )(NHR 28 ), -NR 29 R 30 , -CH(NR 31 R 32 )(NR 33 R 34 ), -OH, -OR35 , or -CH(R 36 OH)(R 37 OH); and R 19 , R 20 , R 21 , R 22 , R 23 , R 24 , R 25 , R 26 , R 27 , R 28 , R 29 , R 30 , R 31 , R 32 , R 33 , R 34 and R 35 are C1 to C 20 is alkyl; and R 20 and R 21 , R 23 and R 24 , R 27 and R 28 , R 29 and R 30 , R 31 and R 32 , and R 33 and R 34 are identical to or different from one another; and R 36 and R 37 are, independently of one another, absent or straight-chain or branched C1-C 12 is a hydrocarbon chain; and R 13 , R 14 , R 15 , R 16 , R 17 and R 18 are each independently hydrogen or a straight-chain, branched-chain, or cyclic hydrocarbon moiety having 1 to 20 carbon atoms. JPEG2025536078000039.jpg83102

To provide a technique capable of improving high liquid repellent performance and its durability with a material having no fluorine in the material or excluding fluorine as much as possible.SOLUTION: A random copolymer comprising a constitutional unit represented by the formula (1) and a constitutional unit having a photocrosslinkable functional group, wherein an abundance ratio of the constitutional unit represented by the formula (1) is 0.95 to 0.3 in terms of molar ratio and an abundance ratio of the constitutional unit having a photocrosslinkable functional group is 0.05 to 0.7 in terms of molar ratio, with respect to constitutional units constituting the entire random copolymer. (In the formula, X1 is -O - or - NH -, R10 is alkylene or phenylene group having 2 to 12 carbons, Y1 is a functional group capable of double or more hydrogen bonds between two adjacent constitutional unit, R11 is a linear, branched, or cyclic hydrocarbyl group having 8 to 30 carbons, and in these hydrocarbyl groups, -O - or unsaturated bonds may be included, and hydrogens on carbons separated by two or more carbons from Y1 may be substituted with fluorines.). ) SELECTED DRAWING: None

Title: Composition comprising a long-chain hydrocarbon polyhydroxyalkanoate copolymer with ionic group(s), process for treating keratinous materials implementing the composition. The present invention relates to a process for treating keratinous materials, preferably α) keratinous fibers, particularly human fibers such as hair, or β) human skin, particularly lip skin, implementing a composition C1, preferably cosmetic, comprising a) one or more polyhydroxyalkanoate (PHA) copolymer(s) a) which contain one or more of the following units (A), as well as their optical and geometric isomers, their organic or mineral acid or base salts, and their solvates such as hydrates: -[-O-CH(R1)-CH2-C(O)-]- unit (A) polymeric units (A) in which: R1 represents a non-cyclic hydrocarbon chain, saturated or unsaturated, linear or branched, or cyclic saturated or unsaturated non-aromatic,comprising from 3 to 30 carbon atoms; said hydrocarbon chain being: substituted by one or more anionic (A-), cationic (C+) groups and their mixtures with A- and C+ as defined above; it being understood that: the R1 radicals may include in the same PHA both A- and C+ groups, in which case the counter-ions M+ and Q- may be absent while ensuring the electroneutrality of the PHA; and the composition comprises an amount less than or equal to 2% by weight of surfactants, relative to the total weight of the composition.

A composition for forming a resist underlayer film includes: (A) a cross-linking compound that is represented by formula (I); and (D) a solvent. [In formula (I), m is an integer from 1 to 30, T is a single bond, a saturated hydrocarbon group, an aromatic group, or an unsaturated cyclic hydrocarbon group, G1, G2, G3, G4, G5, and G6 are each independently (i) or (ii), the n's are each independently an integer from 1 to 8, the n R's are each independently a hydrogen atom, an aliphatic hydrocarbon group, or an alicyclic hydrocarbon group, the A's are each independently an aryl group that may be interrupted by an alkylene group, and Z1, Z2, Z3, Z4, Z5, and Z6 are each independently an alkyl group, an aryl group, a hydroxy group, an epoxy group, or a hydrogen atom.]

The invention provides an electrolyte and a battery. The electrolyte is used for a battery containing a lithium supplement agent, and the lithium supplement agent can be decomposed to generate oxygen; the electrolyte comprises an additive as shown in a formula 1 which is described in the specification, r1, R2, R3 and R4 independently comprise one or more of C1-C5 alkyl groups, C1-C5 alkenyl groups, C1-C5 alkynyl groups, aryl groups, substituted or unsubstituted unsaturated cyclic hydrocarbon groups, substituted or unsubstituted alkoxy groups, substituted or unsubstituted alkenyloxy groups, substituted or unsubstituted alkynyloxy groups, substituted or unsubstituted aromatic phenoloxy groups and heteroatoms, and at least one of R1, R2, R3 and R4 contains an unsaturated bond. The problems of reducing the expansion rate of the battery and inhibiting lithium precipitation can be solved, the impedance is reduced, and the high-temperature cycle performance and storage performance of the battery are improved.

A method for preparing a cyclic hydrocarbon unsaturated sulfonic ester is provided. The method includes: adding raw materials, comprising an alcohol compound and an excess sulfonyl chloride compound, into a solvent having a deacid reagent to obtain an synthetic product; and treating the synthetic product with deionized water and basic compound to obtain the cyclic hydrocarbon unsaturated sulfonic ester, wherein the cyclic hydrocarbon unsaturated sulfonic ester has a cyclic hydrocarbon group and an unsaturated bond.

The invention discloses a catalyst component for an ethylene polymerization reaction as well as a preparation method and application of the catalyst component. The catalyst component for the ethylene polymerization reaction comprises a reaction product of the following components: at least one inorganic oxide carrier, a magnesium compound, at least one titanium compound, at least one boric acid ester compound and at least one ether compound, wherein the titanium compound does not contain an aluminum element; the magnesium compound comprises magnesium dichloride and at least one compound represented by a formula Mg (R1) mCl2-m, R1 is a C2-C20 alkyl group or a C3-C20 cyclic hydrocarbon group, and m is 1 or 2. The catalyst particles obtained in the invention are spheroidic, and have high catalytic activity when used for ethylene homopolymerization or copolymerization, and the prepared polymer powder has high bulk density and low polymer fine powder content. The active center solution and the carrier do not need to be filtered before mixed reaction, and the process is simple and environment-friendly.

The invention relates to the technical field of panel manufacturing, in particular to a water-based stripping liquid for positive photoresist and a preparation method of the water-based stripping liquid, and the water-based stripping liquid comprises the following raw material components: short-chain alcohol amine, alcohol amine with cyclic hydrocarbon, an aprotic polar solvent, a metal corrosion inhibitor, fat long-chain polyether ester, imidazolium ionic liquid and pure water; according to the water-based stripping liquid composition, alcohol amines of different structures are used as different components, compared with a conventional water-based stripping liquid, the liquid medicine compatibility is better, the permeation rate is higher, function integration is achieved, and the stripping efficiency is remarkably improved; fat long-chain polyether ester is also added as a defoaming agent, foam generation is inhibited in the processes of liquid medicine circulation, spraying and the like, stable contact between the liquid medicine and a photoresist film on the surface of a substrate is ensured, uneven stripping is avoided, and the risk of silicon pollution is reduced; meanwhile, the ionic liquid is added as a cosolvent, so that the defect that the solubility of photoresist residues in water is insufficient is overcome, and the service life of the liquid medicine is prolonged.

The present invention provides a method for preparing a recycled polymer, comprising the steps of: (S1) supplying a mixed solvent including a first solvent of C3-8 alkyl acetate and a second solvent of a non-aromatic cyclic hydrocarbon to each of a dissolution tank and a precipitation tank; (S2) supplying a composite resin to the dissolution tank, heating the dissolution tank to a dissolution temperature, and, while maintaining the dissolution tank at the dissolution temperature, dissolving a polymer included in the composite resin to obtain a polymer solution; (S3) supplying the polymer solution to the precipitation tank in which the mixed solvent is maintained at a precipitation temperature, and precipitating the polymer included in the polymer solution to obtain a solution including a spherical polymer precipitate; and (S4) performing compression filtration on the solution including the spherical polymer precipitate to obtain a polymer precipitate.

The present invention relates to a polyurethane resin composition comprising a polyurethane resin (U) and an organic solvent (S), the polyurethane resin (U) has a structural unit derived from polyoxyethylene glycol (A), a structural unit derived from polycarbonate glycol (B), a structural unit derived from an aliphatic isocyanate compound (C), a structural unit derived from a diol (D) having 2-6 carbon atoms, and a structural unit derived from a diamine (E) having 2-20 carbon atoms; the structural unit derived from the aliphatic isocyanate compound (C) is a structural unit derived from an acyclic aliphatic diisocyanate (c1) in which two isocyanate groups are directly bonded to an acyclic hydrocarbon having an odd number of carbon atoms; or a structural unit derived from an alicyclic diisocyanate (c2) in which the number of isocyanate groups directly bonded to an alicyclic hydrocarbon is 0 or 1.

To provide a carboxylate, a carboxylic acid generator, and a resist composition which allow a resist pattern having good line edge roughness to be produced.SOLUTION: There are provided: a carboxylic acid generator containing a carboxylate represented by formula (I); and a resist composition. [In the formula, W1 represents a substituted / unsubstituted cyclic hydrocarbon group; L1 and L2 each represent a single bond or a substituted / unsubstituted hydrocarbon group; R1 and R11 each represent a hydrogen atom or an alkyl group; L3 represents a single bond or an alkanediyl group, and -CH2- contained in the alkanediyl group may be substituted with -O- or -CO-; R5 represents -X51-R10 or -X52-L11-X51-R10, X51 and X52 each represent -CO-O-, -O-CO- or the like, L11 represents a substituted / unsubstituted hydrocarbon group, and R10 represents a base-labile group; and Z+ represents an organic cation.]SELECTED DRAWING: None