公开(公告)号：JPH0321639A

公开(公告)日：1991-01-30

申请号：JP15639689

申请日：1989-06-19

Applicant: TORAY INDUSTRIES

Inventor： UMEZAWA MASAO ,  KODERA YASUICHI

IPC: C08J5/24 ,  B29C70/10 ,  B29K105/08 ,  B29L9/00 ,  C08K7/00 ,  C08L101/00

Abstract: PURPOSE:To stably obtain the subject hot-pressed material having high strength an modulus and stable quality and useful as hightenacity fiber, etc., by forming a conjugate fiber from a liquid crystal resin and other resin, collecting the fibers and hotpressing the collected bundle at a temperature above a specific level. CONSTITUTION:The objective hot-pressed material can be produced by carrying out conjugate spinning of (A) a liquid crystal resin as the 1st resin and (B) a second resin, collecting obtained conjugate fibers and hot-pressing the collected fiber aggregate at a temperature above the softening point of the component B. It is preferable to carry out the hot-pressing at or above the softening point of the component B after heat-treatment of the collected fiber aggregate at >=(Tm-10 deg.C) (Tm is melting point of the component A) and the component A is preferably a resin having a melting point higher than that of the component B by 10 deg.C, especially a liquid crystal polyester or a liquid crystal polyester amide.

公开(公告)号：JPH0232147A

公开(公告)日：1990-02-01

申请号：JP18122388

申请日：1988-07-20

Applicant: TORAY INDUSTRIES

Inventor： UMEZAWA MASAO ,  NISHIYAMA HIROTAKA ,  KODERA YASUICHI

IPC: C08L27/12 ,  C08L87/00

Abstract: PURPOSE:To obtain a composite material having high strength, high modulus of elasticity and good slipperiness free from interfacial delamination by forming a fibrous structure of thermoplastic liquid crystal resin in a fluororesin. CONSTITUTION:A composite material of resin which comprises at least a thermoplastic liquid crystal resin and a thermoplastic fluororesin wherein the thermoplastic liquid crystal resin forms a fibrous structure in the fluororesin. The diameter of the fibrous material of the thermoplastic liquid crystal resin is =10 aspect ratio. A liquid crystal polyester or liquid crystal polyester amide is used as the liquid crystal resin. Tetrafluoroethylene, polyfluoroalkoxyethylene, etc., are used as the fluororesin.

公开(公告)号：JPH01207319A

公开(公告)日：1989-08-21

申请号：JP3341888

申请日：1988-02-15

Applicant: TORAY INDUSTRIES

Inventor： UMEZAWA MASAO ,  KODERA YASUICHI

IPC: C08L71/00 ,  C08G63/06 ,  C08G63/60 ,  C08G63/682 ,  C08G63/78 ,  C08G63/80 ,  C08G63/82 ,  C08G63/83 ,  C08K5/521 ,  C08K5/5333 ,  C08L67/00 ,  C08L67/04 ,  C08L71/08 ,  C08L73/00 ,  C08L77/00 ,  C08L77/12

Abstract: PURPOSE:To obtain the title molded product for reinforcing material of optical fiber, etc., in a low cost, by adding a specific organic phosphorus compound to a molded product of a liquid crystalline polyarylate resin containing mesogen group in main chain, etc., and carrying out a solid-state polymerization at a temperature below the liquid crystal forming temperature of the resin. CONSTITUTION:A molded product of liquid crystalline polyarylate or polyester amide resin containing mesogen group expressed by formula I (X and Y are terminal substituting groups such as alkyl, alkoxy or cyano; A-B is a unit such as a formula -CH=N or a formula -N=N-) in the main chain is mixed with at least one of organic phosphorus compound expressed by formula Il (R1 is hydrocarbon; M1 is alkali metal; M2 is alkali metal, H, hydrocarbon or oxygen- containing hydrocarbon), formula III or formula IV (R2 is hydrocarbon; n is integer greater than 1) and subjected to a solid-state polymerization at a temperature above (the liquid crystal forming temperature of the liquid crystalline resin -50) deg.C to afford the aimed molded resin product.

公开(公告)号：JPS62289611A

公开(公告)日：1987-12-16

申请号：JP13030486

申请日：1986-06-06

Applicant: TORAY INDUSTRIES

Inventor： YOSHIDA NAOSUKE ,  KODERA YASUICHI

IPC: C08J11/00 ,  D01F8/12 ,  D01F8/14 ,  D03D15/00 ,  D06M11/00 ,  D06M11/05 ,  D06M13/262 ,  D06M23/00 ,  D06M101/00 ,  D06M101/16 ,  D06M101/30 ,  D06M101/34

Abstract: PURPOSE:To provide a composite fiber capable of generating ultrafine fibers, containing a specific copolymerized polyamide as at least one component of the composite fiber and containing a component easily removable from the fiber to give a solution free from environmental pollution. CONSTITUTION:A copolymerized polyamide containing 30-80wt% constituent unit consisting of (A) a polyoxyethylene having an amino group or carboxyl group at a terminal of a polyether segment having a molecular weight 200-2,000 and (B) an aliphatic dicarboxylic acid or aliphatic diamine is used as at least one component of the objective composite fiber. The component can be easily dissolved in a removal liquid produced by adding a small amount of an anionic surfactant to water.

公开(公告)号：JPH03199446A

公开(公告)日：1991-08-30

申请号：JP34115389

申请日：1989-12-28

Applicant: TORAY INDUSTRIES

Inventor： UMEZAWA MASAO ,  KODERA YASUICHI

IPC: D01F6/62 ,  D01F8/14 ,  D02G3/02 ,  D02J13/00 ,  H05K1/03

Abstract: PURPOSE:To obtain the title cloth for liquid crystal printed boards by forming a cloth using conjugate fibers from a main chain-type liquid crystal resin and another resin followed by heat treatment of the cloth and then removing the latter resin. CONSTITUTION:Firstly, a cloth is formed using a conjugate fiber produced by melting in a separate manner a main chain-type liquid crystal resin and another resin followed by combination both the resins and then delivery through a spinneret. Thence, the cloth is heat-treated at temperatures >=(the melting point of the former resin minus 70 deg.C) esp. >=(this melting point minus 50 deg.C) to effect the solid phase polymerization of the former resin followed by removing the latter resin, thus obtaining the objective cloth consisting of the former resin with the fineness of the single fiber of

公开(公告)号：JPH02182762A

公开(公告)日：1990-07-17

申请号：JP343289

申请日：1989-01-10

Applicant: TORAY INDUSTRIES

Inventor： UMEZAWA MASAO ,  KODERA YASUICHI

IPC: C08L67/00 ,  C08L101/00

Abstract: PURPOSE:To provide the subject composite material composed of a main-chain liquid crystal resin containing a mesogen group on the main chain and a resin containing acid anhydride group, etc., in the molecule, having uniform structure, good physical properties and excellent fibrillation resistance and suitable as high-strength fiber, reinforcing material, etc. CONSTITUTION:The objective material can be produced by separately melting and forming (A) a main-chain liquid crystal resin containing mesogen group on the main chain and having fibrous form of

公开(公告)号：JPH0291210A

公开(公告)日：1990-03-30

申请号：JP24525988

申请日：1988-09-29

Applicant: TORAY INDUSTRIES

Inventor： UMEZAWA MASAO ,  KODERA YASUICHI ,  NISHIYAMA HIROTAKA

IPC: D06M13/08 ,  D01F6/12 ,  D01F6/30 ,  D01F6/32 ,  D01F8/10 ,  D06C29/00 ,  D06M13/02 ,  D06M101/00 ,  D06M101/16 ,  D06M101/18 ,  D06M101/20 ,  D06M101/22

Abstract: PURPOSE:To provide the subject inexpensive fibers having rich chemical resistance and high strength by spinning a copolymerized fluororesin containing tetrafluoroethylene and any other thermoplastic resin into a conjugate fiber, subjecting the prepared fiber to a drawing process, etc., and subsequently removing the other polymer from the fiber or dividing the fiber. CONSTITUTION:A copolymerized fluororesin containing at least tetrafluoroethylene (preferably tetrafluoroethylene-perfluoroethylene copolymer, tetrafluoroethylene-hexafluoropropylene copolymer or tetrafluoroethylene-ethylene copolymer) and any other thermoplastic resin are spun preferably in the presence of a spinning cylinder heated to a temperature of >=150 deg.C below a spinneret into a conjugate fiber, followed by drawing the prepared fiber into a length of two times or more, or spun at a high speed of >=500m/min, followed by removing the other polymer and/or dividing the fiber to provide the objective fibers each having a fineness of =1g/d.

公开(公告)号：JPH01225541A

公开(公告)日：1989-09-08

申请号：JP5091988

申请日：1988-03-03

Applicant: TORAY INDUSTRIES

Inventor： UMEZAWA MASAO ,  KODERA YASUICHI ,  YAMAMOTO MASAHARU

IPC: C08J7/06 ,  B32B7/02 ,  B32B9/00 ,  C08G63/16 ,  C08G63/18 ,  C08G63/19 ,  C08G63/60 ,  C08G63/68 ,  C08G69/46 ,  C08G69/48 ,  H01B1/20

Abstract: PURPOSE:To obtain a TLCP molded product having high conductivity, high heat resistance and high mechanical strength, by bonding a conductive inorg. substance to the surface of a molded product composed of specific liquid crystal polyallylate or polyesteramide having a mesogen group in the main chain thereof. CONSTITUTION:A molded product is composed of TLCP (liquid crystal polyallylate or polyesteramide) having a mesogen group in the main chain thereof and a conductive inorg. substance is bonded to the surface of the molded product and TLCP has no exothermic peak based on melting at 200 deg.C or more when the polymer is measured by a differential scanning calorimeter sealed by nitrogen. Herein, X and Y are a terminal group such as an alkyl group, an alkoxy group or a cyano group and A-B is a unit 2. As the conductive inorg. substance, tin oxide is especially pref. and the bonding amount thereof is at least 0.1wt.% or more and the film thickness thereof is 0.1mum or more.

公开(公告)号：JPS6490255A

公开(公告)日：1989-04-06

申请号：JP24829687

申请日：1987-10-01

Applicant: TORAY INDUSTRIES

Inventor： UMEZAWA MASAO ,  KODERA YASUICHI

IPC: C08L67/00

Abstract: PURPOSE:To obtain a resin composite which can give an FRP having a high modulus, resistance to delamination, excellent pilling resistance, etc., and excelling in strength, modulus, impact resistance, etc., by performing the composite molding of a non-liquid crystal polyester and a liquid crystal polyarylate. CONSTITUTION:The composite material of a non-liquid crystal polyester (A) (e.g., polyethylene terephthalate) and a liquid crystal polyarylate (B) in an amount equivalent to a mixing ratio (B/A) of 40-60/60-40 is performed by, preferably, a polymer arrangement process or a core-sheath melt molding process to obtain a resin composite which is a type of core-sheath polymer arrangement in which many islands are dispersed in a matrix polymer or polymer blend in which the aspect ratio of the dispersed fibers is 10 or above, preferably, 100 or below, and in which at least three, per cross-section, fibrous materials of component B of a highly oriented and having a diameter or above and an elongation >=0.6%.

公开(公告)号：JPS6110591B2

公开(公告)日：1986-03-29

申请号：JP1720477

申请日：1977-02-21

Applicant: Toray Industries

Inventor： OKAMOTO KAZUYOSHI ,  KODERA YASUICHI

IPC: C09K3/00 ,  B02C19/00 ,  B02C23/06 ,  D01F8/06 ,  D01F8/10 ,  D06M11/00 ,  D06M13/02 ,  D06M13/144 ,  D06M13/17 ,  D06M13/188 ,  D06M13/224 ,  D06M13/256 ,  D06M13/295 ,  D06M101/00 ,  D06M101/16 ,  D06M101/18 ,  D06M101/20 ,  D06M101/22 ,  D06M101/32