Abstract:
PROBLEM TO BE SOLVED: To provide a method for obtaining a microcapsule slurry excellent in storage stability by crushing microcapsule agglomerates in a microcapsule slurry obtained at the time of producing microcapsules in a liquid-phase method and thus forming microcapsule primary particles. SOLUTION: The following steps (1) to (4) are successively carried out: (1) a step of obtaining an aqueous emulsifying and dispersing agent solution; (2) a step of obtaining an emulsion of a core material by adding the core material to the aqueous emulsifying and dispersing agent solution and stirring the solution; (3) a step of obtaining a microcapsule slurry containing primary particles of microcapsules having the core material particles and a wall material and agglomerates of the primary particles by adding a material for forming the wall material to the emulsion; and (4) crushing the agglomerates by radiating ultrasonic wave to the microcapsule slurry. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide an emulsifying machine in which the regulation of the particle diameter and particle diameter distribution of emulsified particles in an emulsion are facilitated, the scale-up and maintenance of which are simplified and the emulsification capacity of which is requested to be sufficient in industrial production. SOLUTION: The method for regulating the particle diameter and particle diameter distribution of emulsified particles in the emulsion comprises successively passing two or more liquids which are substantially insoluble in each other through a plurality of sieve materials disposed at regular intervals in the presence of an emulsifier. An apparatus to be used in the method for regulating the particle diameter and particle diameter distribution of emulsified particles in the emulsion comprises: a liquid feed pump which feeds two or more liquids which are substantially insoluble in each other; a cylindrical channel to which the two or more liquids are sent by the liquid feed pump; and predetermined pieces of wire nets disposed in the cylindrical channel at predetermined intervals. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a method for producing a specific norbornene derivative (exo-configuration) in which the configuration of substituents such as a substituting phenyl group etc., becomes an exo-configuration, selectively in a high yield. SOLUTION: This norbornene derivative expressed by general formula (5) [wherein, R 14 to R 19 are each independently H or the like; Z is a phenylene group or the like; and (l), (m), (n) are each an integer of 0 or 1] is obtained by reacting a norbornadiene derivative with an aromatic bromide in the presence of biphenylphosphine etc., and palladium. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a retardation film having high transparency, superior wavelength dispersion characteristics, very high adhesiveness and capable of giving reverse dispersion in the birefringent wavelength dispersion characteristics. SOLUTION: The retardation film is obtained by stretching a film, comprising a norbornene-based ring-opening polymer containing a structural unit expressed by general formula (1) and having a ratio of the structural unit with the wavy line c representing an exo-configuration by 20 to 65 mol%. In the formula (1), n represents an integer of 0 or 1; X represents a group expressed by formula of -CH=CH- or formula of -CH 2 CH 2 -; wavy lines a, b, c represent "endo"- or exo-configurations. COPYRIGHT: (C)2009,JPO&INPIT