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公开(公告)号：DE69616242T2
公开(公告)日：2002-06-27
申请号：DE69616242
申请日：1996-12-13
Applicant: TORAY INDUSTRIES
Inventor： UMETSU HIDEYUKI , NAKAMURA KIYOKAZU , INOUE TOSHIHIDE , SAKAI MIKI , KUREMATSU TOSHIO
Abstract: A liquid crystalline resin composition comprises 100 pbw of liquid crystalline resin and 5-200 pbw of inorganic filler, the liquid crystalline resin being composed of 99.5-50 wt% of a partially aromatic liquid crystalline polyester resin component and 0.5-50 wt% of a wholly aromatic liquid crystalline polyester resin compound, and the inorganic filler having an average aspect ratio in the range of 3 to 25. The composition is suitable for providing moulded articles of liquid crystalline resin.
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公开(公告)号：CA2192921A1
公开(公告)日：1997-06-16
申请号：CA2192921
申请日：1996-12-13
Applicant: TORAY INDUSTRIES
Inventor： UMETSU HIDEYUKI , NAKAMURA KIYOKAZU , INOUE TOSHIHIDE , SAKAI MIKI , KUREMATSU TOSHIO
Abstract: Disclosed herein is a liquid crystalline resin compound which comprises 100 pbw of liquid crystalline resin and 5-200 pbw of inorganic filler, said liquid crystalline resin being composed of 99.5-50 wt% of partially aromatic liquid crystalline polyester resin and 0.5-50 wt% of wholly aromatic liquid crystalline polyester resin, and said inorganic filler having an average aspect ratio in the range of 3 to 25. Disclosed also herein is a molded article of liquid crystalline resin obtained by molding from said liquid crystalline resin compound. The resin compound is superior in flowability and the molded article has good mechanical properties, especially balanced rigidity and toughness.
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公开(公告)号：ES2166869T3
公开(公告)日：2002-05-01
申请号：ES96309152
申请日：1996-12-13
Applicant: TORAY INDUSTRIES
Inventor： UMETSU HIDEYUKI , NAKAMURA KIYOKAZU , INOUE TOSHIHIDE , SAKAI MIKI , KUREMATSU TOSHIO
Abstract: A liquid crystalline resin composition comprises 100 pbw of liquid crystalline resin and 5-200 pbw of inorganic filler, the liquid crystalline resin being composed of 99.5-50 wt% of a partially aromatic liquid crystalline polyester resin component and 0.5-50 wt% of a wholly aromatic liquid crystalline polyester resin compound, and the inorganic filler having an average aspect ratio in the range of 3 to 25. The composition is suitable for providing moulded articles of liquid crystalline resin.
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公开(公告)号：DE69616242D1
公开(公告)日：2001-11-29
申请号：DE69616242
申请日：1996-12-13
Applicant: TORAY INDUSTRIES
Inventor： UMETSU HIDEYUKI , NAKAMURA KIYOKAZU , INOUE TOSHIHIDE , SAKAI MIKI , KUREMATSU TOSHIO
Abstract: A liquid crystalline resin composition comprises 100 pbw of liquid crystalline resin and 5-200 pbw of inorganic filler, the liquid crystalline resin being composed of 99.5-50 wt% of a partially aromatic liquid crystalline polyester resin component and 0.5-50 wt% of a wholly aromatic liquid crystalline polyester resin compound, and the inorganic filler having an average aspect ratio in the range of 3 to 25. The composition is suitable for providing moulded articles of liquid crystalline resin.
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公开(公告)号：JP2001277238A
公开(公告)日：2001-10-09
申请号：JP2000096613
申请日：2000-03-31
Applicant: TORAY INDUSTRIES
Inventor： KUREMATSU TOSHIO , MIYAUCHI KUNIHIKO , KAMATA KATSUMA
Abstract: PROBLEM TO BE SOLVED: To provide a manufacturing method for a liquid crystal resin pellet of which the discharge-stability is increased. SOLUTION: A liquid crystal resin under a molten state is discharged in a trough wherein cooling water is made to flow, by a discharging device as a strand group. Then, the strand group is solidified by cooling, and cut under the existence of the cooling water for this manufacturing method for pellets. In this manufacturing method, at least in the discharge initial stage from when the strand group is discharged from the discharging device to when the strand group reaches a cutter section, an amount of the cooling water, which is from 1.1 times to 10 times based on the amount of the cooling water at the normal pellet-forming time is made to flow into the trough.
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Patent Agency Ranking
公开(公告)号：JP2000281795A
公开(公告)日：2000-10-10
申请号：JP9119199
申请日：1999-03-31
Applicant: TORAY INDUSTRIES
Inventor： KUREMATSU TOSHIO , MIYAUCHI KUNIHIKO
Abstract: PROBLEM TO BE SOLVED: To provide a polymerization apparatus capable of giving, with improved productivity, a liquid crystal resin having high qualities, excellent in heat resistance in particular by effecting efficient agitation in the polymerization of a liquid crystal resin, and to provide a method for the preparation thereof. SOLUTION: There is provided an apparatus for polymerizing a liquid crystal resin comprising a reactor 11 equipped with a feed port of a raw material, a transporting port, a stirring apparatus and a jacket, a reactor equipped with a transporting port, a polymer delivery port, a stirring apparatus and a jacket, a transporting pipe connecting these and a baffle plate 2 on the sidewall inside a reactor, the baffle being 5-30% in size based on the inside diameter of the reactor in the direction of the inside diameter of the reactor. The method for preparing the liquid crystal resin utilizes the above apparatus.
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公开(公告)号：JP2000191755A
公开(公告)日：2000-07-11
申请号：JP37174498
申请日：1998-12-28
Applicant: TORAY INDUSTRIES
Inventor： KUREMATSU TOSHIO , MIYAUCHI KUNIHIKO
IPC: C08G63/60
Abstract: PROBLEM TO BE SOLVED: To obtain a liquid-crystalline resin having a specific relation between a final polymerization temperature and a melting point, excellent in color tone, and capable of giving pellets having a shape excellent in feeding and metering properties in a high yield by a melt-polymerization. SOLUTION: This liquid-crystalline resin having a relation of the inequality: 0
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公开(公告)号：JPH08231687A
公开(公告)日：1996-09-10
申请号：JP34274595
申请日：1995-12-28
Applicant: TORAY INDUSTRIES
Inventor： KUREMATSU TOSHIO , NAKAMURA SEIICHI , INOUE SHUNEI
IPC: C09K19/38 , C08G63/06 , C08G63/60 , C08G63/78 , C08G69/44 , C08K3/00 , C08K5/02 , C08K7/02 , C08L67/00 , C08L77/00 , C08L77/12
Abstract: PURPOSE: To improve the color tone, mechanical properties and appearance of a molding by using a p-hydroxybenzpoic acid of a specified bulk density in loosened state for producing a specified liquid-crystal polyester or polyester- amide resin. CONSTITUTION: A p-hydroxybenzoic acid with a bulk density in loosened state of 0.30-0.57g/cm and a weight-mean particle diameter of 0.17-2mm is used for producing a liquid-crystal polyester(-amide) resin consisting essentially of the structural units of the formula. The production process follows a usual method of polycondensation of polyester(-amide). For example, the p-hydroxybenzoic acid, an aromatic dihydroxy compound, a polyester polymer, an aromatic dicarboxylic acid, acetic anhydride, etc., are subjected to acetylation at 50-200 deg.C, and the temperature is then raised to 200-350 deg.C to effect deacetylating polymerization under a reduced pressure to give a liquid-crystal resin. 100 pts.wt. of this resin in mixed with 0-200 pts.wt. filler and 0.5-30 pts.wt. flame retardant comprising an organic bromine compound to give a resin composition.
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公开(公告)号：JPH06192406A
公开(公告)日：1994-07-12
申请号：JP34462792
申请日：1992-12-24
Applicant: TORAY INDUSTRIES
Inventor： KUREMATSU TOSHIO , AKIYAMA FUMIO , INOUE SHUNEI
IPC: C08G63/60
Abstract: PURPOSE:To provide a liq. crystalline polyester which is produced by melt polymn. alone and has an optical anisotropy and improved flowability, melt spinnability, and mechanical properties by specifying the m.p. and logarithmic viscosity of the polyester. CONSTITUTION:p-Hydroxybenzoic acid (A), and arom. dihydroxy compd. (B), ethylene glycol (C), and an arom. dicarboxylic acid (D) are copolymerized in molar ratios of (A+B)/(A+B+C), C/(A+B+C), and A/B of 60-95%, 40-5%, and (78:22)-(93:7), respectively, thus giving a liq. crystalline polyester which comprises structural units of formulae I to IV (wherein R1 represents at least one member selected from groups expressed by formulae V; R2 represents at least one member selected from groups expressed by formulae VI; X is H or Cl; and the total amt. of units of formulae II and III is equimolar to that of formula IV) and which has an m.p. (Tm, deg.C) satisfying formula VII, a logarithmic viscosity in the melting range of 30 deg.C or narrower (measured by differential calorimetry) of 1.0-3.0dl/g, and a difference between the flowing start temp. and the melting completion temp. (obtd. from the temp. dependence curve of the complex viscosity) of 25 deg.C or lower.
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公开(公告)号：JP2002265577A
公开(公告)日：2002-09-18
申请号：JP2001068437
申请日：2001-03-12
Applicant: TORAY INDUSTRIES
Inventor： KUREMATSU TOSHIO , MIYAUCHI KUNIHIKO
Abstract: PROBLEM TO BE SOLVED: To provide a method of cleaning a liquid crystal resin melt polymerization apparatus which easily removes cleaning residues and the like attached to the inner side of the liquid crystal resin melt polymerization apparatus and does not adversely affect the discharge of a liquid crystal resin after cleaning. SOLUTION: The method of cleaning a liquid crystal resin melt polymerization apparatus is characterized in cleaning the liquid crystal resin melt polymerization apparatus with the use of glycols at least once, and then cleaning it with an alkaline aqueous solution.
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