摘要:
There is provided a process for preparing a fluorine-containing polymer for resist which is excellent in transparency in a vacuum ultraviolet region, comprises a structural unit derived from a fluorine-containing ethylenic monomer and/or a structural unit derived from a monomer which can provide an aliphatic ring structure in the polymer trunk chain and may have a fluorine atom, and has an acid-reactive group Y1 reacting with an acid or a group Y2 which can be converted to the acid-reactive group Y1, in which the fluorine-containing ethylenic monomer and/or the monomer which can provide an aliphatic ring structure in the polymer trunk chain are subjected to radical polymerization by using an organic peroxide represented by the formula (1): wherein R50 and R51 are the same or different and each is a hydrocarbon group having 1 to 30 carbon atoms which may have ether bond (an atom at an end of bond is not oxygen atom); p1 and p2 are the same or different and each is 0 or 1; p3 is 1 or 2, and also there is provided a photoresist composition comprising the obtained polymer. The fluorine-containing polymer is excellent in transparency in a vacuum ultraviolet region, and can form an ultra fine pattern as a polymer for a photoresist, particularly for a F2 resist.
摘要:
A fluorine-containing unsaturated cyclic compound represented by the formula (1)(a): wherein Z3 are the same or different and each is —Rf3-Z4, in which Z4 is at least one functional group selected from the group consisting of OH group, COOH group, a derivative of carboxylic acid group and a functional group protected by a protective group which can convert the functional group to OH group by reaction with an acid; Rf3 is a fluorine-containing alkylene group which has 1 to 30 carbon atoms and may have ether bond; n11 is an integer of from 1 to 4.
摘要:
There is provided a fluorine-containing copolymer having an aliphatic monocyclic structure in the polymer trunk chain which has a number average molecular weight of from 500 to 1,000,000 and is represented by the formula (Ma): -(M1)-(M2a)-(N)- (Ma) in which the structural unit M1 is a structural unit derived from an ethylenic monomer having 2 or 3 carbon atoms and at least one fluorine atom, the structural unit M2a is at least one structural unit which introduces an aliphatic monocyclic structure in the polymer trunk chain and is represented by the formula (a): wherein R1 is at least one hydrocarbon group selected from the group consisting of a divalent hydrocarbon group having 1 to 8 carbon atoms and constituting a ring which may be further substituted with a hydrocarbon group or a fluorine-containing alkyl group and a divalent hydrocarbon group having ether bond which has the sum of carbon atoms and oxygen atoms of 2 to 8, constitutes a ring and may be further substituted with a hydrocarbon group or a fluorine-containing alkyl group; R2 is an alkylene group which has 1 to 3 carbon atoms and constitutes a ring; R3 and R4 are the same or different and each is a divalent alkylene group which has 1 or 2 carbon atoms and constitutes a ring; n1, n2 and n3 are the same or different and each is 0 or 1, the structural unit N is a structural unit derived from a monomer copolymerizable with the monomers to introduce the structural units M1 and M2a, and the structural units M1, M2a and N are contained in amounts of from 1 to 99% by mole, from 1 to 99% by mole and from 0 to 98% by mole, respectively. The fluorine-containing polymer possesses excellent dry etching resistance and transparency in a vacuum ultraviolet region.
摘要:
There is provided a novel fluorine-containing polymer having an acid-reactive group which has a high transparency against energy rays (radioactive rays) in a vacuum ultraviolet region (157 nm), and further there are provided a material for fluorine-containing base polymer prepared from the polymer and suitable for a photoresist and a chemically amplifying type resist composition obtained therefrom. The polymer has a number average molecular weight of from 1,000 to 1,000,000 and represented by the formula: -(M1)-(M2)-(A)-, wherein M1 is a structural unit having an acid-labile or acid-degradable functional group, M2 is a structural unit of fluorine-containing acryl ester, A is a structural unit derived from other copolymerizable monomer, the percent by mole ratio M1/M2 is 1 to 99/99 to 1 and the polymer comprises from 1 to 99% by mole of the structural unit M1, from 1 to 99% by mole of the structural unit M2 and from 0 to 98% by mole of the structural unit A1. The material for fluorine-containing base polymer comprises a fluorine-containing polymer having an acid-reactive group such as the above-mentioned polymer and is suitable for a photoresist, and the chemically amplifying type resist composition is obtained from those polymer and material.
摘要:
There is provided a fluorine-containing copolymer having an aliphatic monocyclic structure in the polymer trunk chain which has a number average molecular weight of from 500 to 1,000,000 and is represented by the formula (Ma): -(M1)-(M2a)-(N)- (Ma) in which the structural unit M1 is a structural unit derived from an ethylenic monomer having 2 or 3 carbon atoms and at least one fluorine atom, the structural unit M2a is at least one structural unit which introduces an aliphatic monocyclic structure in the polymer trunk chain and is represented by the formula (a): wherein R1 is at least one hydrocarbon group selected from the group consisting of a divalent hydrocarbon group having 1 to 8 carbon atoms and constituting a ring which may be further substituted with a hydrocarbon group or a fluorine-containing alkyl group and a divalent hydrocarbon group having ether bond which has the sum of carbon atoms and oxygen atoms of 2 to 8, constitutes a ring and may be further substituted with a hydrocarbon group or a fluorine-containing alkyl group; R2 is an alkylene group which has 1 to 3 carbon atoms and constitutes a ring; R3 and R4 are the same or different and each is a divalent alkylene group which has 1 or 2 carbon atoms and constitutes a ring; n1, n2 and n3 are the same or different and each is 0 or 1, the structural unit N is a structural unit derived from a monomer copolymerizable with the monomers to introduce the structural units M1 and M2a, and the structural units M1, M2a and N are contained in amounts of from 1 to 99% by mole, from 1 to 99% by mole and from 0 to 98% by mole, respectively. The fluorine-containing polymer possesses excellent dry etching resistance and transparency in a vacuum ultraviolet region.
摘要:
There is provided a fluorine-containing copolymer having an aliphatic monocyclic structure in the polymer trunk chain which has a number average molecular weight of from 500 to 1,000,000 and is represented by the formula (Ma): -(M1)-(M2a)-(N)— (Ma) in which the structural unit M1 is a structural unit derived from an ethylenic monomer having 2 or 3 carbon atoms and at least one fluorine atom, the structural unit M2a is at least one structural unit which introduces an aliphatic monocyclic structure in the polymer trunk chain and is represented by the formula (a): wherein R1 is at least one hydrocarbon group selected from the group consisting of a divalent hydrocarbon group having 1 to 8 carbon atoms and constituting a ring which may be further substituted with a hydrocarbon group or a fluorine-containing alkyl group and a divalent hydrocarbon group having ether bond which has the sum of carbon atoms and oxygen atoms of 2 to 8, constitutes a ring and may be further substituted with a hydrocarbon group or a fluorine-containing alkyl group; R2 is an alkylene group which has 1 to 3 carbon atoms and constitutes a ring; R3 and R4 are the same or different and each is a divalent alkylene group which has 1 or 2 carbon atoms and constitutes a ring; n1, n2 and n3 are the same or different and each is 0 or 1, the structural unit N is a structural unit derived from a monomer copolymerizable with the monomers to introduce the structural units M1 and M2a, and the structural units M1, M2a and N are contained in amounts of from 1 to 99% by mole, from 1 to 99% by mole and from 0 to 98% by mole, respectively. The fluorine-containing polymer possesses excellent dry etching resistance and transparency in a vacuum ultraviolet region.
摘要:
There is provided a novel fluorine-containing polymer having an acid-reactive group which has a high transparency against energy rays (radioactive rays) in a vacuum ultraviolet region (157 nm), and further there are provided a material for fluorine-containing base polymer prepared from the polymer and suitable for a photoresist and a chemically amplifying type resist composition obtained therefrom.The polymer has a number average molecular weight of from 1,000 to 1,000,000 and represented by the formula: —(M1)—(M2)—(A)—, wherein M1 is a structural unit having an acid-labile or acid-degradable functional group, M2 is a structural unit of fluorine-containing acryl ester, A is a structural unit derived from other copolymerizable monomer, the percent by mole ratio M1/M2 is 1 to 99/99 to 1 and the polymer comprises from 1 to 99% by mole of the structural unit M1, from 1 to 99% by mole of the structural unit M2 and from 0 to 98% by mole of the structural unit A1. The material for fluorine-containing base polymer comprises a fluorine-containing polymer having an acid-reactive group such as the above-mentioned polymer and is suitable for a photoresist, and the chemically amplifying type resist composition is obtained from those polymer and material.
摘要:
There is provided a fluorine-containing polymer solid electrolyte which has an excellent ion-conducting property, is high in oxidation resistance, is stable electrochemically and thermally, has sufficient strength and is applicable to various electrochemical devices. The electrolyte comprises (A) a non-crystalline fluorine-containing polymer having, in a trunk chain and/or side chain of the polymer molecule, a structural unit D having five or more chained units derived from a fluorine-containing ether, (B) an electrolytic compound and (C) a solvent, and has an ionic conductivity of from 10−10 to 101 S/cm measured at 25° C. by an alternating current complex impedance method. The electrolyte is useful for various electrochemical devices.
摘要:
There is provided an ionic liquid type functional material which is useful for a lubricant, acid-removing agent, various ionic liquid materials, electrolyte for solar cell and actuator material. The ionic liquid type functional material contains an aromatic compound which has a fluorine-containing ether chain and is represented by the formula (1): [Ra-DmRy (1)wherein -D- is a fluoroether unit represented by the formula (1-1): O—Rn or R—On (1-1) in which R is at least one selected from divalent fluorine-containing alkylene groups having 1 to 5 carbon atoms in which at least one of hydrogen atoms is replaced by fluorine atom; n is an integer of from 1 to 20; when m is not less than 2, two or more of D may be the same or different; Ra is a monovalent organic group which has 1 to 20 carbon atoms and does not contain D; when m is not less than 2, two or more of Ra may be the same or different; m is an integer of from 1 to 4; Ry is a mono-, di-, tri- or tetra-valent organic group having 2 to 30 carbon atoms which has at least one selected from a basic functional group Y1 and/or a salt Y2 of the basic functional group and contains an aromatic ring structure, provided that a unit of —O—O— is not contained in the formulae (1) and (1-1).
摘要:
There are provided a fluorine-containing ethylenic monomer having hydroxyl group or fluoroalkyl carbonyl group and represented by the formula (1): and the formula (14): respectively, wherein X1 and X2 are the same or different and each is H or F; X3 is H, F, Cl or CF3; Rf1 and Rf2 are the same or different and each is a perfluoroalkyl group having 1 to 20 carbon atoms; Rf3 is a fluorine-containing alkylene group having 1 to 40 carbon atoms or a fluorine-containing alkylene group having ether bond which has 1 to 100 carbon atoms and the sum of carbon atom and oxygen atom of two or more; a is 0 or 1, a fluorine-containing polymer having a structural unit of the above-mentioned monomer and a composition for a photoresist. The monomer has good polymerizability, particularly radical polymerizability, and the polymer obtained by polymerizing the monomer has excellent optical characteristics and is useful as a base polymer for an antireflection film and for a composition for a resist.