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1. 发明授权

US4381397A Method for synthesizing trioxane 失效
公开(公告)号：US4381397A
公开(公告)日：1983-04-26
申请号：US233414
申请日：1981-02-11
申请人： Koichi Yoshida , Toshiyuki Iwaisako , Junzo Masamoto , Katsuhiko Hamanaka , Hajime Komaki
发明人： Koichi Yoshida , Toshiyuki Iwaisako , Junzo Masamoto , Katsuhiko Hamanaka , Hajime Komaki
IPC分类号： B01J23/00 , B01J23/22 , B01J23/28 , B01J23/30 , B01J27/00 , B01J27/18 , C07B61/00 , C07D323/06
CPC分类号： C07D323/06
摘要： A method for synthesizing trioxane by heating and reacting an aqueous formaldehyde solution in the presence of a heteropolyacid. As the heteropolyacid, there is preferably used one that contains, as a coordinating element or coordinating elements, W, Mo, V or Nb alone or two or more of them.

2. 发明授权

US4563536A Method for synthesizing trioxane 失效
标题翻译：三恶烷合成方法
公开(公告)号：US4563536A
公开(公告)日：1986-01-07
申请号：US425040
申请日：1982-09-27
申请人： Koichi Yoshida , Toshiyuki Iwaisako , Junzo Masamoto , Katsuhiko Hamanaka , Hajime Komaki
发明人： Koichi Yoshida , Toshiyuki Iwaisako , Junzo Masamoto , Katsuhiko Hamanaka , Hajime Komaki
IPC分类号： B01J23/00 , B01J23/22 , B01J23/28 , B01J23/30 , B01J27/00 , B01J27/18 , C07B61/00 , C07D323/06
CPC分类号： C07D323/06
摘要： A method for synthesizing trioxane by heating and reacting an aqueous formaldehyde solution in the presence of a heteropolyacid. As the heteropolyacid, there is preferably used one that contains, as a coordinating element or coordinating elements, W, Mo, V or Nb alone or two or more of them.
摘要翻译：一种通过在杂多酸存在下加热和使甲醛水溶液反应来合成三恶烷的方法。作为杂多酸，优选使用含有作为配位元素或配位元素的单独的W，Mo，V或Nb或它们中的两种或更多种的那些。

3. 发明授权

US4332644A Process for separating trioxane 失效
标题翻译：三恶烷分离方法
公开(公告)号：US4332644A
公开(公告)日：1982-06-01
申请号：US271250
申请日：1981-06-08
申请人： Katsuhiko Hamanaka , Toshiyuki Iwaisako , Junzo Masamoto , Koichi Yoshida
发明人： Katsuhiko Hamanaka , Toshiyuki Iwaisako , Junzo Masamoto , Koichi Yoshida
IPC分类号： B01D3/34 , C07D323/06 , B01D11/04
CPC分类号： C07D323/06 , B01D3/34
摘要： In a process for separating trioxane by a continuous distillation which comprises extracting, with benzene, the trioxane-containing distillate obtainable by heating an aqueous solution of formaldehyde, feeding the trioxane-containing benzene solution into a distillation column as a starting material, distilling out the benzene from the column top and withdrawing the trioxane from the column bottom, a process for separating trioxane which comprises retaining the concentration of trioxane X in the liquid composition at the starting material feeding plate of the distillation column (% by weight of trioxane based on the total liquid composition at the feeding plate) in the range satisfying the following relationship: ##EQU1## wherein R is reflux ratio, and .gamma. is a parameter defined by the following equation: ##EQU2## wherein q is the proportion of liquid part in the fed starting material as expressed in terms of ratio by weight and C (%) is the concentration of trioxane in the fed starting material.
摘要翻译：在通过连续蒸馏分离三恶烷的方法中，其包括用苯提取可通过加热甲醛水溶液获得的含三烷烃的馏出物，将含三恶烷的苯溶液作为起始原料进料到蒸馏塔中，蒸馏出苯，从塔底抽出三恶烷，分离三恶烷的方法，该方法包括在蒸馏塔的起始原料进料板中保持液体组合物中三恶烷X的浓度（基于三恶烷的重量％（1）其中R是回流比，γ是由下式定义的参数：其中q 是供料起始原料中液体部分的比例，以重量比表示，C（％）是三恶烷的浓度饲料原料。

4. 发明授权

US4493752A Process for recovering trioxane by plural distillation 失效
标题翻译：通过多次蒸馏回收三恶烷的方法
公开(公告)号：US4493752A
公开(公告)日：1985-01-15
申请号：US371461
申请日：1982-04-23
申请人： Takeshi Naito , Junzo Masamoto , Toshiyuki Iwaisako , Kazuhiko Matsuzaki
发明人： Takeshi Naito , Junzo Masamoto , Toshiyuki Iwaisako , Kazuhiko Matsuzaki
IPC分类号： C07D323/06 , C08G2/28 , B01D3/14
CPC分类号： C07D323/06 , C08G2/28
摘要： A process for recovering trioxane from an aqueous solution containing trioxane and triethylamine by the distillation separation process which comprises feeding an aqueous solution containing trioxane and triethylamine to the first distillation column, distilling out triethylamine, trioxane and water from the column top of the first distillation column, withdrawing an aqueous solution containing the major part of the trioxane present in the fed solution from the column bottom of the first distillation column, feeding the withdrawn solution to the second distillation column and taking out the substantially whole quantity of the trioxane fed to the second distillation column from the column top of the second distillation column.
摘要翻译：一种通过蒸馏分离方法从含有三恶烷和三乙胺的水溶液中回收三恶烷的方法，该方法包括将含有三恶烷和三乙胺的水溶液加入到第一蒸馏塔中，从第一蒸馏塔的塔顶馏出三乙胺，三恶烷和水从第一蒸馏塔的塔底排出含有进料溶液中存在的主要部分三恶烷的水溶液，将排出的溶液送入第二蒸馏塔，并取出大量全部量的三恶烷，蒸馏塔从第二蒸馏塔的塔顶。

5. 发明授权

US4436900A Process for deactivating polymerization catalyst 失效
标题翻译：聚合催化剂失活的方法
公开(公告)号：US4436900A
公开(公告)日：1984-03-13
申请号：US479385
申请日：1983-03-28
申请人： Kazuhiko Matsuzaki , Toshiyuki Iwaisako , Junzo Masamoto
发明人： Kazuhiko Matsuzaki , Toshiyuki Iwaisako , Junzo Masamoto
IPC分类号： C08G2/00 , C08G2/18 , C08G2/28
CPC分类号： C08G2/28
摘要： An oxymethylene copolymer produced from trioxane, a cyclic ether and/or a cyclic formal in the presence of a cationic polymerization catalyst is contacted with a deactivating agent for the catalyst in the state of gas phase at a temperature of 160.degree. C. or lower to deactivate the cationic polymerization catalyst rapidly and completely without causing degradation of the copolymer produced.
摘要翻译：在阳离子聚合催化剂存在下，由三恶烷，环醚和/或环状缩甲醛制备的甲醛共聚物在气相状态下与催化剂的钝化剂在160℃或更低至快速且完全地使阳离子聚合催化剂失活而不会引起共聚物的降解。

6. 发明授权

US5191020A Polyphenylene sulfide resin composition 失效
标题翻译：聚苯乙烯树脂组合物
公开(公告)号：US5191020A
公开(公告)日：1993-03-02
申请号：US524613
申请日：1990-05-17
申请人： Junzo Masamoto , Tetsuo Nakamoto , Kimihiro Kubo
发明人： Junzo Masamoto , Tetsuo Nakamoto , Kimihiro Kubo
IPC分类号： C08G18/64 , C08G75/02 , C08L23/00 , C08L51/00 , C08L63/00 , C08L77/00 , C08L81/02
CPC分类号： C08L81/02 , C08G18/6453 , C08G75/0204 , C08G75/0222 , C08G75/0295 , C08L23/00 , C08L51/00 , C08L63/00 , C08L77/00
摘要： A composition obtained by adding at least one specific elastomer and optionally a polyamide resin or a bromine-containing flame retardant to a melt-kneaded product of a polyphenylene sulfide with a non-blocked type polyfunctional isocyanate compound. The composition is excellent not only in impact resistance but also in aging resistance at high temperatures. Said composition can be advantageously used for molding parts of automobile engines, parts for various machines, connectors for electric or electronic parts, bobbines and the like.

7. 发明授权

US4391741A Polyoxymethylene composition 失效
标题翻译：聚甲醛组合物
公开(公告)号：US4391741A
公开(公告)日：1983-07-05
申请号：US51417
申请日：1979-06-25
申请人： Junzo Masamoto , Minoru Hamada , Isamu Suzuki , Takeo Yoshida
发明人： Junzo Masamoto , Minoru Hamada , Isamu Suzuki , Takeo Yoshida
IPC分类号： C08L59/00 , C08K3/04 , C08L7/00 , C08L21/00 , C08L23/00 , C08L23/06 , C08L33/00 , C08L33/02 , C08L59/02 , C08L101/00 , H01B1/06
CPC分类号： C08K3/04 , C08L59/02 , C08L23/06 , Y10S260/17
摘要： A polyoxymethylene composition comprising (a) 100 parts by weight of polyoxymethylene, (b) 2 to 15 parts by weight of electrically conductive carbon black, and (c) 2 to 20 parts by weight of low-density polyethylene has excellent antistatic properties. Shaped articles produced by the polyoxymethylene composition show excellent effects on preventing noise due to static electricity and adhesion of dust.
摘要翻译：一种聚甲醛组合物，其包含（a）100重量份的聚甲醛，（b）2至15重量份的导电炭黑，和（c）2至20重量份的低密度聚乙烯具有优异的抗静电性能。由聚甲醛组合物制成的成形制品对防止由于静电引起的噪声和灰尘的粘附性具有优异的效果。

8. 发明授权

US4220740A Process for producing stabilized polyoxymethylene 失效
标题翻译：生产稳定化聚甲醛的方法
公开(公告)号：US4220740A
公开(公告)日：1980-09-02
申请号：US31913
申请日：1979-04-20
申请人： Kazuhiko Matsuzaki , Junzo Masamoto
发明人： Kazuhiko Matsuzaki , Junzo Masamoto
IPC分类号： C08G2/00 , C08G2/30 , C08G2/36 , C08K5/15
CPC分类号： C08G2/30 , C08K5/15
摘要： Stabilized polyoxymethylene excellent in heat stability, base stability and mechanical properties can be produced by reacting polyoxymethylene having a number average molecular weight of 10,000 or more with 1,3-dioxepane in an organic medium in the presence of a Lewis acid and, if necessary, a molecular weight regulator.
摘要翻译：在路易斯酸存在下，通过使有机介质中的数均分子量为10,000以上的聚甲醛与1,3-二氧杂环庚烷反应，可以得到热稳定性，碱稳定性和机械性能优异的稳定化聚甲醛，分子量调节剂。

9. 发明授权

US4962235A Process for producing high purity formaldehyde 失效
标题翻译：生产高纯度甲醛的方法
公开(公告)号：US4962235A
公开(公告)日：1990-10-09
申请号：US333226
申请日：1989-04-05
申请人： Hirohisa Morishita , Junzo Masamoto , Tadashige Hata
发明人： Hirohisa Morishita , Junzo Masamoto , Tadashige Hata
IPC分类号： C07C45/83 , C07C47/058
CPC分类号： C07C45/83
摘要： A process for producing formaldehyde having high purity is disclosed, which comprises: (A) feeding crude formaldehyde containing water and methanol to the middle or lower part of a distillation column, and feeding a polyalkylene oxide compound which is inert to formaldehyde to the upper part of the column in an amount at least 10 times the total weight of the water and methanol contained in the crude formaldehyde; (B) carrying out distillation; and (C) recovering purified formaldehyde gas from the top of the column while withdrawing a solution containing the polyalkylene oxide compound, water and methanol from the bottom of the column. Using this process, formaldehyde having stable high purity can be obtained continuously through simplified steps at low cost.
摘要翻译：公开了一种生产高纯度甲醛的方法，该方法包括：（A）将含有水和甲醇的粗甲醛加入到蒸馏塔的中部或下部，并向上部供给对甲醛是惰性的聚环氧烷化合物的量至少为包含在粗甲醛中的水和甲醇的总重量的10倍; （B）进行蒸馏; 和（C）从柱的顶部回收纯化的甲醛气体，同时从塔的底部取出含有聚环氧烷化合物，水和甲醇的溶液。使用该方法，可以通过简化的步骤以低成本连续获得具有稳定的高纯度的甲醛。

10. 发明授权

US4967014A Process for producing formaldehyde and derivatives thereof 失效
标题翻译：生产甲醛及其衍生物的方法
公开(公告)号：US4967014A
公开(公告)日：1990-10-30
申请号：US305596
申请日：1989-02-03
申请人： Junzo Masamoto , Junzo Ohtake , Mamoru Kawamura
发明人： Junzo Masamoto , Junzo Ohtake , Mamoru Kawamura
IPC分类号： C07C45/32 , C07C45/78 , C07C45/81 , C07C45/85 , C07C47/052
CPC分类号： C07C45/81 , C07C45/32 , C07C45/78 , C07C45/85
摘要： A process for formaldehyde production is disclosed comprising the steps of reacting methanol with formaldehyde to form methylal and then oxidizing the resulting methylal to obtain formaldehyde. Formaldehyde derivatives may also be produced. A dilute formaldehyde solution resulting from recovery of the product is recycled and used as feed material for the initial reaction step.

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