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    • 61. 发明授权
    • Polyester polymerization catalyst, a production method thereof, and a
polyester production method using said catalyst
    • 聚酯聚合催化剂,其制备方法和使用所述催化剂的聚酯制备方法
    • US6156867A
    • 2000-12-05
    • US180557
    • 1998-11-06
    • Masatoshi AoyamaKenichi TsutsumiMinoru Uchida
    • Masatoshi AoyamaKenichi TsutsumiMinoru Uchida
    • C08G63/82C08G63/83C08G63/84C08G63/78B01J31/00
    • C08G63/82C08G63/83C08G63/84
    • The present invention relates to a polyester polymerization catalyst, comprising a solution containing an aluminum compound and an alkali compound, with water or an organic solvent or a mixture consisting of water and an organic solvent as the medium, a production method thereof, and a polyester production method, in which the product obtained by the esterification reaction or ester interchange reaction between an aromatic dicarboxylic acid or any of its ester forming derivative and a diol is polycondensed, to produce a polyester, comprising the use of said polymerization catalyst containing an aluminum compound.The present invention can provide a polyester excellent in processability and can overcome such problems as spinneret contamination, filtration pressure rise, filament breaking, film breaking and foreign matter production in the production process of products such as fibers, films, resins and bottles.
    • PCT No.PCT / JP98 / 01275 Sec。 371日期:1998年11月6日 102(e)1998年11月6日日期PCT 1998年3月24日PCT PCT。 第WO98 / 42769号公报 日期1998年10月1日本发明涉及一种聚酯聚合催化剂,其包含含有铝化合物和碱性化合物的溶液与水或有机溶剂或由水和有机溶剂组成的混合物作为介质,制备方法 以及聚酯制造方法,其中通过芳族二羧酸或其任何形成酯的衍生物和二醇之间的酯化反应或酯交换反应获得的产物被缩聚,以制备聚酯,其包括使用所述聚合 含有铝化合物的催化剂。 本发明可提供加工性优异的聚酯,能够克服纤维,薄膜,树脂,瓶等制品的生产过程中喷丝头污染,过滤压力升高,断丝,断膜和异物生成等问题。
    • 62. 发明授权
    • Silver halide color photographic material
    • 卤化银彩色照相材料
    • US5597683A
    • 1997-01-28
    • US250338
    • 1994-05-26
    • Minoru UchidaShunichi TomitaToshio Kawagishi
    • Minoru UchidaShunichi TomitaToshio Kawagishi
    • G03C1/035G03C7/30G03C7/305G03C7/38
    • G03C7/3022G03C7/30529Y10S430/158
    • Disclosed is a silver halide color photographic photosensitive material comprising a support, having thereon at least one photosensitive silver halide layer. At least 50% of the total projected area of the silver halide grains in the emulsion layer is accounted for by tabular grains of an aspect ratio at least 2:1, and a compound which can be represented by formula (I) below is in at least one layer. ##STR1## In this formula R represents a hydrogen atom or a substituent group; Z represents a group of non-metal atoms which is required to form a five-membered azole ring which contains from 2 to 4 nitrogen atoms, and said azole ring may have substituent groups;X represents a group which may be eliminated by a coupling reaction with the oxidized form of a developing agent during development to form a development inhibitor or a precursor thereof, or a group which, after elimination, reacts during development with another molecule of the oxidized form of the developing agent to form a development inhibitor or a precursor thereof.
    • 公开了一种卤化银彩色照相感光材料,其包括其上具有至少一个光敏卤化银层的载体。 乳液层中卤化银颗粒的总投影面积的至少50%是由长宽比至少为2:1的片状颗粒所占据,并且可以由下式(I)表示的化合物处于 至少一层。 (I)式中,R表示氢原子或取代基; Z表示形成含有2至4个氮原子的五元唑环所需的一组非金属原子,所述唑环可以具有取代基; X表示在显影期间可以通过与显影剂的氧化形式的偶联反应而消除的基团,以形成显影抑制剂或其前体,或在消除后与另一种氧化形式的分子发生反应的基团 的显影剂以形成显影抑制剂或其前体。
    • 65. 发明授权
    • Glass fiber-reinforced heat resistant resin composition
    • 玻璃纤维增​​强耐热树脂组合物
    • US4585824A
    • 1986-04-29
    • US658050
    • 1984-10-05
    • Minoru UchidaSadao Ikuma
    • Minoru UchidaSadao Ikuma
    • C08F2/00C08F2/44C08J5/04C08K7/00C08K7/14C08L7/00C08L21/00C08L25/00C08L33/00C08L33/02C08L35/00C08L51/00C08L51/02C08K3/40C08J5/08
    • C08K7/14
    • A glass fiber-reinforced heat resistant resin composition which comprises:from 5 to 90% by weight of a pelletized polymer (A) obtained by suspension-polymerizing a vinyl aromatic monomer optionally together with an unsaturated nitrile monomer and a vinyl monomer copolymerizable therewith, in the presence of chopped glass fiber strands, and comprising from 50 to 90% by weight of the chopped glass fiber strands and from 50 to 10% by weight of a resin component consisting essentially of from 40 to 100% of residues of the vinyl aromatic monomer, from 0 to 60% of residues of the unsaturated nitrile monomer and from 0 to 30% of residues of the copolymerizable vinyl monomer;from 95 to 10% by weight of a polymer (B) comprising from 10 to 50% of residues of a maleimide monomer, from 90 to 50% of residues of a vinyl aromatic monomer, from 0 to 10% of residues of maleic anhydride and from 0 to 30% of residues of a vinyl monomer copolymerizable therewith.
    • 一种玻璃纤维增​​强耐热树脂组合物,其包含:5-90重量%的通过将乙烯基芳族单体任选地与不饱和腈单体和可与其共聚的乙烯基单体悬浮聚合得到的颗粒状聚合物(A), 存在短切玻璃纤维束,并且包含50至90重量%的短切玻璃纤维线和50至10重量%的基本上由40至100重量%的乙烯基芳族单体的残基组成的树脂组分 ,0至60%的不饱和腈单体的残基和0至30%的可共聚的乙烯基单体的残基; 95至10重量%的聚合物(B),其包含10至50%的马来酰亚胺单体的残基,90至50%的乙烯基芳族单体残基,0至10%的马来酸酐残基和 0〜30%的可与其共聚的乙烯基单体的残基。