摘要:
An object of the present invention is to provide a polymerizable liquid crystal composition incorporating a polymerizable liquid crystal compound which displays a low nematic phase temperature, displays excellent compatibility with other polymerizable liquid crystal compounds, and furthermore yields a product following polymerization, of good transparency and high mechanical strength. A polymerizable composition is provided which displays a liquid crystal phase, and moreover incorporates a liquid crystal backbone with two or more ring structures and a compound with a partial structure represented by the general formula P 1 -S 1 -A 1 -D 1 -E 1 - [wherein P 1 represents a polymerizable functional group; S 1 represents -(CH 2 ) w -, - O(CH 2 ) w -, -(CH 2 ) w O-, -(CH 2 ) w C(=O)O-, -(CH 2 ) w OC(=O)-, -C(=O)O(CH 2 ) w - or - OC(=O)(CH 2 ) w - (w: 1 to 20); A 1 and E 1 each represent a hydrocarbon ring or a hetero ring, although E 1 is a ring incorporated within the liquid crystal backbone; and D 1 represents - C(=O)-O-(CH 2 ) m -O-, -O(CH 2 ) m -O-C(=O)-, -O-C(=O)-(CH 2 ) m -O-, or -O(CH 2 ) m -C(=O)-O- (m: 1 to 15)].
摘要:
Provided is a fluorine-based surfactant including a copolymer synthesized by copolymerizing, as essential monomers, a polymerizable monomer (A) having a poly(perfluoroalkylene ether) chain and polymerizable unsaturated groups at both ends of the chain and a polymerizable monomer (B) having an oxyalkylene group and a polymerizable unsaturated group. The fluorine-based surfactant cannot structurally generate PFOS or PFOA, which tend to accumulate in the environment and living bodies; even when the fluorine-based surfactant has lower fluorine content than surfactants having a fluoroalkyl group having 8 or more carbon atoms, the fluorine-based surfactant has a higher capability of decreasing surface tension than the surfactants. Accordingly, the fluorine-based surfactant can be suitably used as a leveling agent for a coating composition, a resist composition, or the like.
摘要:
A polymerizable liquid-crystal composition containing a polymerizable liquid-crystalline compound, which shows a nematic phase at low temperatures, has excellent compatibility with other polymerizable liquid-crystalline compounds to be used in combination therewith, and gives through polymerization a polymer excellent in transparency and mechanical strength. The polymerizable composition shows a liquid-crystal phase and contains a compound (I) having a liquid-crytalline skeleton with two or more rings and a segment structure represented by the general formula P?1-S1-A1-D1-E1¿- [wherein P1 is a polymerizable functional group; S1 is -(CH¿2?)w-, -O(CH2)w-, -(CH2)wO-, -(CH2)wC(=O)O-, -(CH2)wOC(=O)-, -C(=O)O(CH2)w-, or -OC(=O)(CH2)w- (w is 1 to 20); A?1 and E1¿ each is a hydrocarbon ring or heterocycle or E1 is one of the rings contained in the liquid-crystalline skeleton; and D1 is -C(=O)-O-(CH¿2?)m-O-, -O(CH2)m-O-C(=O)-, -O-C(=O)-(CH2)m-O-, or -O-(CH2)m-C(=O)-O- (m is 1 to 15)].
摘要:
A photosensitive composition comprises a fluorinated solvent, a photo-acid generator and a copolymer. The copolymer comprises at least three distinct repeating units, including a first repeating unit having a fluorine-containing group, a second repeating unit having an acid-catalyzed cross-linkable group, and a third repeating unit having a sensitizing dye. The composition is useful in the fabrication of electronic devices, especially organic electronic and bioelectronic devices.
摘要:
Provided is a fluorine-based surfactant including a copolymer synthesized by copolymerizing, as essential monomers, a polymerizable monomer (A) having a poly(perfluoroalkylene ether) chain and polymerizable unsaturated groups at both ends of the chain and a polymerizable monomer (B) having an oxyalkylene group and a polymerizable unsaturated group. The fluorine-based surfactant cannot structurally generate PFOS or PFOA, which tend to accumulate in the environment and living bodies; even when the fluorine-based surfactant has lower fluorine content than surfactants having a fluoroalkyl group having 8 or more carbon atoms, the fluorine-based surfactant has a higher capability of decreasing surface tension than the surfactants. Accordingly, the fluorine-based surfactant can be suitably used as a leveling agent for a coating composition, a resist composition, or the like.
摘要:
A polymerizable liquid-crystal composition containing a polymerizable liquid-crystalline compound, which shows a nematic phase at low temperatures, has excellent compatibility with other polymerizable liquid-crystalline compounds to be used in combination therewith, and gives through polymerization a polymer excellent in transparency and mechanical strength. The polymerizable composition shows a liquid-crystal phase and contains a compound (I) having a liquid-crytalline skeleton with two or more rings and a segment structure represented by the general formula P?1-S1-A1-D1-E1¿- [wherein P1 is a polymerizable functional group; S1 is -(CH¿2?)w-, -O(CH2)w-, -(CH2)wO-, -(CH2)wC(=O)O-, -(CH2)wOC(=O)-, -C(=O)O(CH2)w-, or -OC(=O)(CH2)w- (w is 1 to 20); A?1 and E1¿ each is a hydrocarbon ring or heterocycle or E1 is one of the rings contained in the liquid-crystalline skeleton; and D1 is -C(=O)-O-(CH¿2?)m-O-, -O(CH2)m-O-C(=O)-, -O-C(=O)-(CH2)m-O-, or -O-(CH2)m-C(=O)-O- (m is 1 to 15)].