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68 条记录 (耗时 0.022 秒)

    Molded article of crosslinked polyolefin and method for preparing it
    21.
    发明授权
    Molded article of crosslinked polyolefin and method for preparing it 失效
    交联聚烯烃模制品及其制备方法

    公开(公告)号：US5314957A

    公开(公告)日：1994-05-24

    申请号：US992101

    申请日：1992-12-17

    申请人： Tadashi Asanuma ,  Kazuhiko Yamamoto

    发明人： Tadashi Asanuma ,  Kazuhiko Yamamoto

    IPC分类号： C08F255/02 ,  C08F8/00 ,  C08F255/00 ,  C08J3/24 ,  C08J5/00 ,  C08L23/00 ,  C08L23/02 ,  C08L23/08

    CPC分类号： C08F255/00 ,  C08F8/00 ,  Y10S526/943

    摘要： A method for preparing a molded article of a crosslinked polyolefin which comprises the steps of bringing a composition comprising a copolymer of an alkenylsilane and an olefin and a compound having at least two unsaturated bonds into contact with a catalyst selected from the group consisting of salts of rhodium, alkoxy compounds and metallocene compounds of metals in the group IVa of the periodic table, combinations of the metallocene compounds and organic metal compounds, and then molding the composition, or carrying out the contact simultaneously with the molding, or molding the composition, and then bringing the molded article into contact with the catalyst, and if necessary, further heating the molded article to accelerate a crosslinking reaction.The molded article of the crosslinked polyolefin obtained by the method of the present invention has a high crosslinking density and is excellent in mechanical properties, solvent resistance and heat resistance.

    摘要翻译： 一种制备交联聚烯烃的模制品的方法，包括以下步骤：将包含烯基硅烷和烯烃的共聚物的组合物和具有至少两个不饱和键的化合物与选自以下的催化剂接触： 铑，烷氧基化合物和周期表IVa族金属茂金属化合物，茂金属化合物和有机金属化合物的组合，然后模塑组合物，或与模塑同时进行接触或模塑组合物，以及 然后使模制品与催化剂接触，并且如果需要，进一步加热模制品以加速交联反应。 通过本发明的方法获得的交联聚烯烃的成型品具有高交联密度，机械性能，耐溶剂性和耐热性优异。

    Method for increasing intrinsic viscosity of syndiotactic polypropylene
    22.
    发明授权
    Method for increasing intrinsic viscosity of syndiotactic polypropylene 失效
    增加综合聚丙烯内在粘度的方法

    公开(公告)号：US5200439A

    公开(公告)日：1993-04-06

    申请号：US679533

    申请日：1991-04-02

    申请人： Tadashi Asanuma

    发明人： Tadashi Asanuma

    IPC分类号： C08F2/48 ,  C08F8/00 ,  C08J3/28

    CPC分类号： C08J3/28 ,  C08J2323/12 ,  Y10S526/943

    摘要： A method for increasing the intrinsic viscosity of polypropylene having a substantially syndiotactic structure is disclosed which comprises the step of irradiating the syndiotactic polypropylene with radiation in the absence of oxygen. After the irradiation, the polypropylene is preferably heated. Furthermore, the polypropylene having the substantially syndiotactic structure which remains in a melting state can be irradiated with radiation. The polypropylene having the substantially syndiotactic structure is preferably polypropylene in which any diffraction line is not substantially observed in a spacing of about 7.1 .ANG. by X-ray diffraction.

    Process for the continuous discharge of a slurry
    24.
    发明授权
    Process for the continuous discharge of a slurry 失效
    用于连续排出浆料的方法

    公开(公告)号：US4632976A

    公开(公告)日：1986-12-30

    申请号：US724635

    申请日：1985-04-16

    申请人： Tadashi Asanuma ,  Tatuo Ohoka ,  Nobutaka Uchikawa

    发明人： Tadashi Asanuma ,  Tatuo Ohoka ,  Nobutaka Uchikawa

    IPC分类号： C08F6/00 ,  C08F6/24

    CPC分类号： C08F6/24

    摘要： A process is provided herein wherein a solid polymer slurry diluted with a specific diluent is continuously discharged under controlled conditions from a high pressure zone to a low pressure zone substantially maintained at atmospheric pressure and the slurry is then separated into said diluent and dried polymer, the improvement wherein the discharged amount of the solid polymer slurry is strictly controlled by varying the heat in the second zone and simultaneously adding a diluent which is gaseous under normal temperature and pressure so that by the control of these two perimeters a continuous slurry discharge can be maintained at predetermined levels.

    摘要翻译： 本文提供一种方法，其中用特定稀释剂稀释的固体聚合物浆料在受控条件下从高压区域连续排出至基本维持在大气压下的低压区域，然后将浆料分离成所述稀释剂和干燥聚合物， 其中固体聚合物浆料的排出量通过改变第二区域中的热量并同时加入在常温常压下为气态的稀释剂来严格控制，使得通过这两个周边的控制可以保持连续的浆料排出 在预定水平。

    Preparation of hydrogenated product of cyclic olefin ring-opening metathesis polymer
    25.
    发明授权
    Preparation of hydrogenated product of cyclic olefin ring-opening metathesis polymer 失效
    环烯烃开环复分解聚合物氢化产物的制备

    公开(公告)号：US06197894B1

    公开(公告)日：2001-03-06

    申请号：US09084593

    申请日：1998-05-27

    申请人： Tadahiro Sunaga ,  Masumi Okita ,  Tadashi Asanuma

    发明人： Tadahiro Sunaga ,  Masumi Okita ,  Tadashi Asanuma

    IPC分类号： C08F804

    CPC分类号： C08G61/08

    摘要： An olefin ring-opening metathesis polymer is hydrogenated to obtain a hydrogenated product thereof in high yield. A specialized olefin ring-opening metathesis polymer is hydrogenated in the presence of hydrogen using a catalyst consisting of an amine compound and a metallic complex of an organic phosphorous compound represented by the general formula (1): MHkQmTpZq  (1) wherein k is an integer of 0 or 1, m is an integer of 1 to 3, p is an integer of 0 or 1, q is an integer of 2 to 4, M is ruthenium, rhodium, osmium, iridium, palladium, platinum or nickel atom, H is hydrogen atom, Q is a halogen atom, T is CO, NO, toluene, acetonitrile or tetrahydrofuran, Z is an organic phosphorous compound represented by the general formula (2): PR′1R′2R′3  (2) wherein P is phosphorous atom, R′1, R′2 and R′3 may be the same or different from each other and are individually selected from the group consisting of a linear, branched or cyclic alkyl group, a linear, branched or cyclic alkenyl group, a linear, branched or cyclic aryl group, a linear, branched or cyclic alkoxy group and a linear, branched or cyclic aryloxy group.

    摘要翻译： 将烯烃开环易位聚合物氢化得到其高产率的氢化产物。 使用由胺化合物和由通式（1）表示的有机磷化合物的金属络合物组成的催化剂在氢存在下氢化特定的烯烃开环易位聚合物：其中k为0或1的整数 m为1〜3的整数，p为0或1的整数，q为2〜4的整数，M为钌，铑，锇，铱，钯，铂或镍原子，H为氢原子， Q是卤原子，T是CO，NO，甲苯，乙腈或四氢呋喃，Z是由通式（2）表示的有机磷化合物：其中P是磷原子，R'1，R'2和R'3 可以相同或不同，并且分别选自直链，支链或环状烷基，直链，支链或环状烯基，直链，支链或环状芳基，直链，支链或环状 环状烷氧基和直链，支链或环状芳氧基。

    Syndiotactic propylene copolymer, method for preparing same, and its use
    28.
    发明授权
    Syndiotactic propylene copolymer, method for preparing same, and its use 失效

    公开(公告)号：US5374685A

    公开(公告)日：1994-12-20

    申请号：US177338

    申请日：1994-01-04

    申请人： Tadashi Asanuma ,  Kazuhiko Yamamoto

    发明人： Tadashi Asanuma ,  Kazuhiko Yamamoto

    IPC分类号： C08F255/02 ,  C09J151/06

    CPC分类号： C08F255/02 ,  Y10S526/943

    摘要： A syndiotactic graft copolymer is here disclosed in which a radical polymerizable unsaturated compound is grafted on a propylene homopolymer or copolymer, and this graft copolymer is obtained by heating a homopolymer having a substantially syndiotactic structure of propylene or a copolymer having a substantially syndiotactic structure of propylene and another .alpha.-olefin and a radical polymerizable unsaturated compound such as an unsaturated carboxylic acid or an unsaturated silane in the presence of a radical initiator up to the decomposition temperature or more of the radical initiator. This kind of graft copolymer can be used as a composition for adhesion. The graft copolymer in which the radical polymerizable unsaturated compound is a hydrolyzable unsaturated silane can be converted into a crosslinked polymer by heating in the presence of water, and it can also be converted into a water-crosslinkable resin composition by adding various additive thereto.

    Syndiotactic propylene copolymer, method for preparing same, and its use
    29.
    发明授权
    Syndiotactic propylene copolymer, method for preparing same, and its use 失效
    间同立构丙烯共聚物，其制备方法及其用途

    公开(公告)号：US5326824A

    公开(公告)日：1994-07-05

    申请号：US699632

    申请日：1991-05-14

    申请人： Tadashi Asanuma ,  Kazuhiko Yamamoto

    发明人： Tadashi Asanuma ,  Kazuhiko Yamamoto

    IPC分类号： C08F255/02 ,  C08F255/04

    CPC分类号： C08F255/02 ,  Y10S526/943

    摘要： A syndiotactic graft copolymer is here disclosed in which a radical polymerizable unsaturated compound is grafted on a propylene homopolymer or copolymer, and this graft copolymer is obtained by heating a homopolymer having a substantially syndiotactic structure of propylene or a copolymer having a substantially syndiotactic structure of propylene and another .alpha.-olefin and a radical polymerizable unsaturated compound such as an unsaturated carboxylic acid or an unsaturated silane in the presence of a radical initiator up to the decomposition temperature or more of the radical initiator. This kind of graft copolymer can be used as a composition for adhesion. The graft copolymer in which the radical polymerizable unsaturated compound is a hydrolyzable unsaturated silane can be converted into a crosslinked polymer by heating in the presence of water, and it can also be converted into a water-crosslinkable resin composition by adding various additive thereto.

    摘要翻译： 这里公开了间规立构接枝共聚物，其中可自由基聚合的不饱和化合物接枝在丙烯均聚物或共聚物上，该接枝共聚物通过加热具有丙烯基本上间同立构结构的均聚物或具有基本上间同立构结构的丙烯的共聚物 和另外的α-烯烃和可自由基聚合的不饱和化合物如不饱和羧酸或不饱和硅烷，在自由基引发剂的存在下直到自由基引发剂的分解温度或更高。 这种接枝共聚物可以用作粘合组合物。 其中可自由基聚合的不饱和化合物是可水解的不饱和硅烷的接枝共聚物可以通过在水的存在下加热而转化为交联聚合物，并且还可以通过向其中加入各种添加剂而转化成可水交联的树脂组合物。

    Polyimide composition
    30.
    发明授权
    Polyimide composition 失效
    聚酰亚胺组合物

    公开(公告)号：US5321096A

    公开(公告)日：1994-06-14

    申请号：US35043

    申请日：1993-03-22

    申请人： Yuichi Okawa ,  Nobuhito Koga ,  Hideaki Oikawa ,  Tadashi Asanuma ,  Akihiro Yamaguchi

    发明人： Yuichi Okawa ,  Nobuhito Koga ,  Hideaki Oikawa ,  Tadashi Asanuma ,  Akihiro Yamaguchi

    IPC分类号： C08G73/10 ,  C08L71/00 ,  C08L79/08 ,  C08L81/06 ,  C08F283/04 ,  C08G69/48

    CPC分类号： C08L71/00 ,  C08G73/101 ,  C08L79/08 ,  C08L81/06

    摘要： A thermoplastic resin composition comprise 99.9.about.50 parts by weight of one or more thermoplastic resin selected from the group consisting of aromatic polyimide, aromatic polyetherimide, aromatic polyamideimide, aromatic polyethersulfone and aromatic polyether ketone and 0.1.about.50 parts by weight of one or more liquid crystal type aromatic polyimide having recurring structural units represented by the formula (1): ##STR1## wherein R.sub.1 .about.R.sub.5 is a hydrogen atom, fluorine atom, trifluoromethyl, methyl, ethyl or cyano and may be the same or different, and R is a tetravalent radical having 6.about.27 carbon atoms and being selected from the group consisting of a monoaromatic radical, condensed polyaromatic radical and noncondensed aromatic radical connected each other with a direct bond or a bridge member.The present invention can provide thermoplastic resin compositions which have remarkably good processability and excellent thermal stability in addition to essentially excellent properties of each resin.

    摘要翻译： 热塑性树脂组合物包含99.9重量份的一种或多种选自芳族聚酰亚胺，芳族聚醚酰亚胺，芳族聚酰胺酰亚胺，芳族聚醚砜和芳族聚醚酮的热塑性树脂和0.1重量份的一种或多种液体 具有由式（1）表示的重复结构单元的结晶型芳族聚酰亚胺：（1）n原子，氟原子，三氟甲基，甲基，乙基或氰基，可以相同或不同，R是具有 6个碳原子，并且选自由直链或桥构件相互连接的单芳族基团，缩合多芳族基团和非缩合芳族基团组成的组。 本发明可以提供具有非常好的加工性和优异的热稳定性的热塑性树脂组合物，除了每种树脂的基本上优异的性能。