LIQUID CRYSTALLINE RESIN AND MOLDED PRODUCT THEREOF

    公开(公告)号:CA2225607A1

    公开(公告)日:1998-06-25

    申请号:CA2225607

    申请日:1997-12-23

    Abstract: A liquid crystalline resin which comprises at least one kind of liquid crystalline polymer selected from liquid crystalline polyester and liquid crystalline polyester amide, both forming an anisotropic molten phase, and an inorganic phosphorus compound, said liquid crystalline resin having an absorbance of 0.5 or less at 380 nm when measured over an optical path length of 10 mm in a 0.5 wt% solution in a 1:1 mixed solvent of pentafluorophenol and chloroform (by weight). It is useful as engineering plastics because of improved color, heat resistance, and hydrolytic resistance.

    A FLAME RETARDANT RESIN COMPOSITION

    公开(公告)号:CA2218978A1

    公开(公告)日:1998-04-16

    申请号:CA2218978

    申请日:1997-10-15

    Abstract: A flame retardant resin composition comprising 100 parts by weight of the following component (A) or (B) and 0.01 to 30 parts by weight of red phosphorus (C) shows excellent flame retardancy even if the molding obtained from it is thin, and is excellent in mechanical properties, wet heat resistance and electric properties, being suitable for mechanical parts, electric and electronic parts, automobile parts, and housings and other parts of office automation apparatuses and household electric appliances. (A) (a1) 67 to 99.99 wt% (based on the total weight of (a1) and (a2)) of a thermoplastic resin other than polyethylene terephthalate and ethylene terephthalate copolymers and (a2) 33 to 0.01 wt% (based on the total weight of (a1) and (a2)) of polyethylene terephthalate and/or an ethylene terephthalate copolymer (B) a thermoplastic resin consisting of the following structural components (I), (II), (III) and (IV): (I) (II) (III) (IV) (where R1, R2 and R3 stand for, respectively independently, a divalent aromatic residue.)

    15.
    发明专利
    未知

    公开(公告)号:DE69731602D1

    公开(公告)日:2004-12-23

    申请号:DE69731602

    申请日:1997-12-24

    Abstract: A liquid crystalline resin which comprises at least one kind of liquid crystalline polymer selected from liquid crystalline polyester and liquid crystalline polyester amide, both forming an anisotropic molten phase, and an inorganic phosphorus compound, said liquid crystalline resin having an absorbance of 0.5 or less at 380 nm when measured over an optical path length of 10 mm in a 0.5 wt% solution in a 1:1 mixed solvent of pentafluorophenol and chloroform (by weight). It is useful as engineering plastics because of improved color, heat resistance, and hydrolytic resistance.

    16.
    发明专利
    未知

    公开(公告)号:DE69822395D1

    公开(公告)日:2004-04-22

    申请号:DE69822395

    申请日:1998-04-16

    Abstract: A liquid-crystalline resin composition comprising 100 parts by weight of a semi-aromatic liquid-crystalline polyester and/or a semi-aromatic liquid-crystalline polyester-amide, from 0.001 to 5 parts by weight of at least one or more compounds selected from phosphorous acid, hypophosphorous acid and their salts, and from 0.01 to 10 parts by weight of red phosphorus has good flame retardancy, low anisotropy, good heat resistance and good hydrolysis resistance, and is useful as engineering plastic.

    17.
    发明专利
    未知

    公开(公告)号:DE69802974T2

    公开(公告)日:2002-08-08

    申请号:DE69802974

    申请日:1998-02-02

    Abstract: Disclosed are a liquid-crystalline resin composition comprising (A) from 20 to 99 parts by weight of a liquid-crystalline resin and (B) from 1 to 80 parts by weight of aluminium borate whiskers of which the grain size distribution as obtained through laser diffractometry is such that D90/D10 is from 7.5 to 20, and precision moldings of the composition.

    18.
    发明专利
    未知

    公开(公告)号:DE69616242T2

    公开(公告)日:2002-06-27

    申请号:DE69616242

    申请日:1996-12-13

    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.

    19.
    发明专利
    未知

    公开(公告)号:DE69329257D1

    公开(公告)日:2000-09-28

    申请号:DE69329257

    申请日:1993-04-07

    Abstract: A liquid crystal polymer composition comprises (A) 100 parts by weight of a liquid crystal polyester and/or liquid crystal polyesteramide capable of forming an anisotropic melt and (B) a liquid crystal polymer composition containing 5 to 300 parts by weight of a potassium titanate whisker having a pH of 6 to 8, wherein, the melt viscosity of the composition is 12 to 300 Pa.sec, and the weight average fiber length of the potassium titanate whisker in the composition is at least 4.5 mu m.

    20.
    发明专利
    未知

    公开(公告)号:DE69322735T2

    公开(公告)日:1999-05-06

    申请号:DE69322735

    申请日:1993-10-22

    Abstract: A thermotropic resin composition containing (A) 100 parts by weight of a thermotropic polyester, a thermotropic polyesteramide or a mixture thereof, forming an anisotropic molten phase and (B) 1 to 200 parts by weight of a graphite having a fixed carbon content of 98% or more, a crystallinity of 80 to 95%, and an average particle size of 1 to 200 mu m.

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