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    Process for stabilizing oxymethylene copolymers
    1.
    发明授权
    Process for stabilizing oxymethylene copolymers 失效
    稳定甲醛共聚物的方法

    公开(公告)号：US4301273A

    公开(公告)日：1981-11-17

    申请号：US153674

    申请日：1980-05-27

    申请人： Akitoshi Sugio ,  Akira Amemiya ,  Tadashi Kunii ,  Tomotaka Furusawa ,  Mutsuhiko Takeda ,  Katsumasa Tanaka ,  Toshikazu Umemura

    发明人： Akitoshi Sugio ,  Akira Amemiya ,  Tadashi Kunii ,  Tomotaka Furusawa ,  Mutsuhiko Takeda ,  Katsumasa Tanaka ,  Toshikazu Umemura

    IPC分类号： B01F7/04 ,  B01F15/06 ,  B01J3/00 ,  B01J19/20 ,  C08G2/00 ,  C08G2/18 ,  C08G2/30 ,  C08G2/36 ,  C08G2/28

    CPC分类号： B01J3/006 ,  B01F15/065 ,  B01F7/042 ,  B01J19/20 ,  C08G2/00 ,  C08G2/36

    摘要： In a process for producing a stabilized oxymethylene copolymer which comprises heat-melting an oxymethylene copolymer having unstable, unblocked terminals obtained by the copolymerization of trioxane with a cyclic acetal and/or a cyclic ether to heat decompose it in the presence of available heat stabilizers; the improvement which comprises heating said oxymethylene copolymer having unblocked terminals in a mixer at a temperature between the melting point of said oxymethylene copolymer and a point 100.degree. C. higher than said melting point under a pressure of 0.1 mmHg to a atmospheric pressure for a mean residence time of 5 to 60 minutes, said mixer comprising a casing, a jacket for heating medium fitted over its external wall, and at least two stirring shafts equipped with a plurality of scraping blades disposed in said casing, said stirring shafts being capable of rotating in the same or different directions, and in the meantime, rotating said stirring shafts of said mixer to heat decompose said oxymethylene copolymer while renewing the surface of the molten oxymethylene copolymer.

    摘要翻译： 在制备稳定化的甲醛共聚物的方法中，该方法包括将具有不稳定的未封端末端的甲醛共聚物进行加热熔融，其通过三恶烷与环状缩醛和/或环醚的共聚得到，以在可用的热稳定剂存在下将其分解; 改进之处在于，在混合器中将所述具有未封端末端的甲醛共聚物在所述甲醛共聚物的熔点和高于所述熔点的高于所述熔点的100℃的温度下在0.1mmHg的压力下加热至平均气压 停留时间为5至60分钟，所述混合器包括壳体，装配在其外壁上的加热介质的护套，以及至少两个配备有设置在所述壳体中的刮刀的搅拌轴，所述搅拌轴能够旋转 在相同或不同的方向上，并且同时旋转所述混合器的所述搅拌轴以使所述甲醛共聚物分解，同时更新熔融的甲醛共聚物的表面。

    Process for continuously polymerizing trioxane
    3.
    发明授权
    Process for continuously polymerizing trioxane 失效
    连续聚合三恶烷的方法

    公开(公告)号：US4343929A

    公开(公告)日：1982-08-10

    申请号：US200065

    申请日：1980-10-23

    申请人： Akitoshi Sugio ,  Kazuyoshi Taka ,  Akira Amemiya ,  Tomotaka Furusawa ,  Mutsuhiko Takeda ,  Katsumasa Tanaka ,  Toshikazu Umemura ,  Yoshihiro Ono

    发明人： Akitoshi Sugio ,  Kazuyoshi Taka ,  Akira Amemiya ,  Tomotaka Furusawa ,  Mutsuhiko Takeda ,  Katsumasa Tanaka ,  Toshikazu Umemura ,  Yoshihiro Ono

    IPC分类号： B01J19/20 ,  C08G2/00 ,  C08G2/10 ,  C08G2/18

    CPC分类号： C08G2/00 ,  B01J19/20 ,  C08G2/10 ,  C08G2/18 ,  B01J2219/00779 ,  B01J2219/182

    摘要： A process for producing a polyacetal homopolymer or copolymer which comprises continuously feeding a liquid starting mixture containing molten trioxane and a catalyst and optionally a comonomer through a feed opening of a reactor, said reactor being a continuously stirring-type mixer having two stirring shafts having a plurality of plate-like paddles fixed thereto the cross-section of each of said paddles taken perpendicularly of the axial direction of the stirring shaft having a shape of a convex lens, an ellipse or a quasipolygon inscribing a phantom circle at each vertex, one of said paddles facing another paddle fixed to the other stirring shaft and said one paddle being positioned such that it rotates while the edges thereof keep a slight clearance from the inner surface of the barrel and the other paddle; polymerizing the starting mixture while moving it toward the discharge opening by the rotation of the paddles, the improvement wherein the profiles of the paddles are changed, or the arrangement of the paddles is changed continuously or stepwise, so that the transportability of the reaction mixture becomes progressively smaller from the feed opening toward the discharge opening of the reactor.

    摘要翻译： 一种制备聚缩醛均聚物或共聚物的方法，其包括通过反应器的进料口连续地供给含有熔融三恶烷和催化剂和任选的共聚单体的液体起始混合物，所述反应器是具有两个搅拌轴的连续搅拌型混合器， 多个板状的叶片固定在其上，垂直于搅拌轴的轴向垂直于每个顶点形成凸透镜，椭圆形或准圆体的形状的每个顶板上的假体圆的横截面， 所述桨叶面向固定到另一个搅拌轴的另一个桨叶，并且所述一个桨叶定位成使得其旋转，同时其边缘保持与筒体和另一个桨叶的内表面的微小间隙; 使起始混合物通过桨叶的旋转而朝向排出口移动而聚合起始混合物，改进了桨叶的轮廓改变，或者桨叶的排列被连续或逐步地改变，使得反应混合物的输送性变为 从进料口向反应器的排出口逐渐变小。

    Process for heat stabilizing oxymethylene copolymers
    5.
    发明授权
    Process for heat stabilizing oxymethylene copolymers 失效
    热稳定甲醛共聚物的方法

    公开(公告)号：US4366305A

    公开(公告)日：1982-12-28

    申请号：US322249

    申请日：1981-11-17

    申请人： Akira Amemiya ,  Tadashi Kunii ,  Tomotaka Furusawa ,  Mutsuhiko Takeda ,  Katsumasa Tanaka ,  Toshikazu Umemura ,  Yoshihiro Ono ,  Isamu Masumoto ,  Noriyasu Nakao ,  Masanori Furukawa

    发明人： Akira Amemiya ,  Tadashi Kunii ,  Tomotaka Furusawa ,  Mutsuhiko Takeda ,  Katsumasa Tanaka ,  Toshikazu Umemura ,  Yoshihiro Ono ,  Isamu Masumoto ,  Noriyasu Nakao ,  Masanori Furukawa

    IPC分类号： C08G2/00 ,  C08G2/18 ,  C08G2/30 ,  C08G2/36 ,  C08G2/28

    CPC分类号： C08G2/36 ,  C08G2/00 ,  C08G2/18 ,  B29C2947/92019 ,  B29C2947/92066 ,  B29C2947/92314 ,  B29C2947/924

    摘要： In a process for producing a stabilized oxymethylene copolymer by heat-melting, at a temperature ranging between the melting point of the copolymer and a temperature 100.degree. C. higher than the melting point in a degassing apparatus in the presence of a heat stabilizer, a crude oxymethylene copolymer of trioxane with a cyclic acetal or cyclic ether, to decompose and eliminate the instable portions of the copolymer, the improvement which comprises using as the degassing apparatus in heat stabilizing the crude oxymethylene copolymer a combination of (A) an extruder and (B) a surface renewing-type mixer, and carrying out the operation by first feeding a crude oxymethylene copolymer to said extruder (A) to heat-melt and decompose 30-90% by weight of the instable portions of the crude copolymer, removing the decomposed gas via a vent provided in said extruder, and thereafter introducing the molten resin continuously to said surface renewing-type mixer (B) where substantially all of the remaining instable portions of the oxymethylene copolymer are heat-decomposed until the content of the instable portions falls below about 2 wt. %, thereby heat stabilizing the copolymer; said extruder (A) having a single or a plurality of shafts, said surface renewing-type mixer functioning to mix and knead the resin thereby constantly renewing the surface of the resin to volatize the volatiles contained therein.

    摘要翻译： 在通过热熔制备稳定化的甲醛共聚物的方法中，在热稳定剂存在下，在共聚物的熔点和高于脱气装置中的熔点的温度范围内的温度范围内， 三恶烷与环缩醛或环醚的粗甲醛共聚物分解和消除共聚物的不稳定部分，其改进包括使用（A）挤出机和（A）挤出机的组合来将粗甲醛共聚物热稳定化作为脱气装置， B）表面更新型混合机，通过首先将粗甲醛共聚物进料到所述挤出机（A）进行加热熔融分解30-90重量％的粗共聚物的不稳定部分，除去 通过设置在所述挤出机中的排气口分解气体，然后将熔融树脂连续地引入到所述表面更新型混合器（B），其中基本上所有的再生 甲醛共聚物的不稳定部分被热分解直到不稳定部分的含量低于约2重量％。 ％，从而使共聚物热稳定化; 所述挤出机（A）具有单个或多个轴，所述表面更新型混合器用于混合和捏合树脂，从而不断地更新树脂的表面以挥发其中所含的挥发物。

    Stabilized oxymethylene copolymer composition
    6.
    发明授权
    Stabilized oxymethylene copolymer composition 失效
    稳定的甲醛共聚物组合物

    公开(公告)号：US4342680A

    公开(公告)日：1982-08-03

    申请号：US132165

    申请日：1980-03-20

    申请人： Akitoshi Sugio ,  Akira Amemiya ,  Masaharu Kimura ,  Yoshiharu Otuki ,  Kiyokazu Kawaguchi

    发明人： Akitoshi Sugio ,  Akira Amemiya ,  Masaharu Kimura ,  Yoshiharu Otuki ,  Kiyokazu Kawaguchi

    IPC分类号： C08L59/00 ,  C08G2/18 ,  C08G2/28 ,  C08K3/18 ,  C08K5/05 ,  C08K5/09 ,  C08K5/13 ,  C08K5/34 ,  C08K5/3492 ,  C08K13/02 ,  C08L59/04 ,  C08K3/22

    CPC分类号： C08K5/3492 ,  C08G2/18 ,  C08G2/28 ,  C08K13/02

    摘要： A stabilized oxymethylene copolymer composition comprising an oxymethylene copolymer, and incorporated therein,(1) at least one amine-substituted triazine of the following formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are a hydrogen atom, a halogen atom, a hydroxyl group, an alkyl group, an alkoxy group, an aryl group, a hydrogenated aryl group, an amino group or a substituted amino group, and at least one of them is an amino group or a substituted amino group,(2) at least one sterically hindered phenol of the following formula ##STR2## wherein R.sub.4 and R.sub.5 are an alkyl group, a substituted alkyl group or a substituted triazole group and R.sub.6 is an alkyl group, a substituted alkyl group, an alkoxy group or a substituted amino group, and(3) at least one metal-containing compound selected from the group consisting of the hydroxides, inorganic acid salts, carboxylic acid salts and alkoxides of an alkali metal which is sodium or potassium or an alkaline earth metal which is magnesium, calcium or barium.

    摘要翻译： 一种稳定化的甲醛共聚物组合物，其包含甲醛共聚物，并且其中并入其中，（1）至少一种下式的胺取代的三嗪其中R 1，R 2和R 3是氢原子，卤素原子，羟基， 烷基，烷氧基，芳基，氢化芳基，氨基或取代氨基，并且它们中的至少一个是氨基或取代的氨基，（2）至少一个空间位阻 苯酚，其中R4和R5是烷基，取代的烷基或取代的三唑基，R6是烷基，取代的烷基，烷氧基或取代的氨基，和（3） ）至少一种含金属的化合物，其选自碱金属的氢氧化物，无机酸盐，羧酸盐和醇盐，其为钠或钾，或碱土金属为镁，钙或钡 嗯

    Safety device for use with vehicles for forcing wearing of seatbelts by a driver and passengers
    8.
    发明授权
    Safety device for use with vehicles for forcing wearing of seatbelts by a driver and passengers 有权
    用于驾驶员和乘客强制戴安全带的车辆的安全装置

    公开(公告)号：US07154386B2

    公开(公告)日：2006-12-26

    申请号：US11073258

    申请日：2005-03-04

    申请人： Akira Amemiya

    发明人： Akira Amemiya

    IPC分类号： B60Q1/00

    CPC分类号： B60R22/48 ,  B60R2022/4816 ,  B60R2022/4858

    摘要： A safety device for use with vehicles is disclosed for forcing the wearing of seatbelts by both a driver and a passenger which may eliminate the unpleasant situation that passengers seat sensors, passenger seatbelt switch and its associated alarm operate separately or independently of the presence or absence of a driver sitting on a driver sheet.

    摘要翻译： 公开了一种用于车辆的安全装置，用于强制驾驶员和乘客佩戴安全带，这可以消除乘客座椅传感器，乘客座椅安全带开关及其相关警报单独或独立于存在或不存在的不愉快的情况 司机坐在司机表上。

    Oxygen absorbent
    10.
    发明授权
    Oxygen absorbent 失效
    吸氧剂

    公开(公告)号：US4192773A

    公开(公告)日：1980-03-11

    申请号：US934489

    申请日：1978-08-17

    申请人： Yoshio Yoshikawa ,  Takanari Nawata ,  Akira Amemiya ,  Toshio Komatsu ,  Yoshiaki Inoue ,  Megumu Yuyama

    发明人： Yoshio Yoshikawa ,  Takanari Nawata ,  Akira Amemiya ,  Toshio Komatsu ,  Yoshiaki Inoue ,  Megumu Yuyama

    IPC分类号： A23L3/34 ,  A23L3/3436 ,  B01D53/14 ,  B01J20/02 ,  B01J31/26 ,  B01J27/08

    CPC分类号： B01D53/1493 ,  A23L3/3436

    摘要： An oxygen absorbent comprising (a) metal halide-coated metal powder having at least one metal halide coated on the surface of at least one metal powder, the amount of metal halide coated being in the range of from about 0.001 part to about 10 parts by weight per 100 parts by weight of the metal powder, and the water content of the metal halide-coated metal powder being less than 1% by weight on the basis of total weight of the metal halide-coated metal powder an (b) a water-containing material and a process for producing the same are disclosed.

    摘要翻译： 一种氧吸收剂，其包含（a）金属卤化物涂覆的金属粉末，其具有涂覆在至少一种金属粉末的表面上的至少一种金属卤化物，涂覆的金属卤化物的量在约0.001份至约10份的范围内， 重量每100重量份的金属粉末，金属卤化物涂覆的金属粉末的水含量基于金属卤化物涂覆的金属粉末的总重量小于1重量％a（b）水 并且公开了其制造方法。