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1.发明授权
公开(公告)号：US5527927A
公开(公告)日：1996-06-18
申请号：US438345
申请日：1995-05-10
IPC分类号： C07D301/32 , B01J27/26 , B01J31/02 , C07B61/00 , C07D303/16 , C07D301/00 , C07D301/36
CPC分类号： C07D303/16
摘要： There are disclosed a process for producing glycidyl acrylate or glycidyl methacrylate by the transesterification of glycidol and methyl methacrylate, etc. which process comprises carrying out the transesterification in the presence of a polymerization inhibitor by using, as a catalyst, a quaternary ammonium salt represented by the general formula (I) or a quaternary phosphonium salt represented by the general formula (II)(R.sup.1 R.sup.2 R.sup.3 R.sup.4)NX (I)(R.sup.1 R.sup.2 R.sup.3 R.sup.4)PX (II)wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each an alkyl group having 1 to 20 carbon atoms, or the like, and X is a cyanide ion, cyanate ion or the like to complete the reaction; thereafter arresting the reaction by adding a catalyst deactivator represented by the general formula (III)SB (iii)wherein S is a sulfonic acid or a heteropolyacid and B is an alkali metal excluding potassium or an alkaline earth metal; and distilling away unreacted methyl methacrylate, etc. under reduced pressure and two similar modified processes. The processes can produce highly pure glycidyl methacrylate, etc. substantially free from a chlorine component and the processes can enhance the conversion of glycidol without lowering the purity and yield of the objective product.
摘要翻译： 公开了通过缩水甘油和甲基丙烯酸甲酯等的酯交换反应生产丙烯酸缩水甘油酯或甲基丙烯酸缩水甘油酯的方法，该方法包括在聚合抑制剂存在下进行酯交换反应，所述方法是使用作为催化剂的季铵盐 通式（I）或由通式（II）表示的季鏻盐（R1R2R3R4）NX（Ⅰ）（R1R2R3R4）PX（Ⅱ）其中R1，R2，R3和R4各自为1〜20的烷基 碳原子等，X是氰离子，氰酸根离子等，以完成反应; 然后通过加入由通式（III）SB（ⅲ）表示的催化剂失活剂来阻止反应，其中S是磺酸或杂多酸，B是不包括钾或碱土金属的碱金属; 并在减压下蒸馏未反应的甲基丙烯酸甲酯等，并进行两种类似的改性方法。 该方法可以产生基本上不含氯组分的高纯度甲基丙烯酸缩水甘油酯等，并且该方法可以增加缩水甘油的转化，而不降低目标产物的纯度和产率。
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公开(公告)号：US5183539A
公开(公告)日：1993-02-02
申请号：US793958
申请日：1991-11-15
申请人： Akihiro Honma , Masahiro Kurokawa
发明人： Akihiro Honma , Masahiro Kurokawa
IPC分类号： C07D301/32 , C07D303/16
CPC分类号： C07D303/16 , Y10S203/06 , Y10S203/22
摘要： A method of purifying a crude glycidyl (meth)acrylate, by (1) subjecting a crude glycidyl (meth)acrylate containing epichlorohydrin and other chlorine compounds as impurities to a stripping treatment with a mixed gas containing oxygen gas in the presence of a quaternary ammonium salt, and then (2) distilling the treated product to obtain a purified glycidyl (meth)acrylate.
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3.发明授权
公开(公告)号：US5750739A
公开(公告)日：1998-05-12
申请号：US687053
申请日：1996-08-07
IPC分类号： C07D301/30 , B01J31/02 , C07B61/00 , C07D301/27 , C07D303/16
CPC分类号： C07D303/16
摘要： There is disclosed a process for producing a glycidyl ester of acrylic acid or methacrylic acid which comprises the steps of neutralizing acrylic acid or methacrylic acid with a carbonate or a bicarbonate of an alkali metal in an excess amount of epichlorohydrin while an oxygen-containing gas is blown into the liquid reaction system; subjecting water formed by the neutralization and epichlorohydrin to azeotropic distillation to discharge them outside the reaction system and to form an alkali metal salt of acrylic acid or methacrylic acid; adding a quaternary ammonium salt as a catalyst to the reaction system to react the alkali metal salt of the acid with the epichlorohydrin and thus synthesize the glycidyl ester of the acid; cooling the liquid reaction product while recovering part of the excess epichlorohydrin under reduced pressure; adding aqueous solution of an alkali hydroxide to the liquid reaction product to separate into aqueous layer and organic layer; adding a catalyst deactivator to the organic phase; and subsequently distilling the organic layer to separate the glycidyl ester of the acid while blowing an oxygen-containing gas into the organic layer. The above process makes it possible to efficiently produce a highly pure glycidyl ester of acrylic acid or methacrylic acid in high yield with minimized contents of impurities.
摘要翻译： 公开了一种制备丙烯酸或甲基丙烯酸的缩水甘油酯的方法，该方法包括以下步骤：用过量表氯醇的碱金属的碳酸盐或碳酸氢盐中和丙烯酸或甲基丙烯酸，同时含氧气体为 吹入液体反应系统; 将由中和产生的水和表氯醇进行共沸蒸馏，将其排出反应体系外，形成丙烯酸或甲基丙烯酸的碱金属盐; 向反应体系中加入季铵盐作为催化剂，使酸的碱金属盐与表氯醇反应，合成酸的缩水甘油酯; 冷却液体反应产物，同时在减压下回收部分过量表氯醇; 将碱性氢氧化物的水溶液加入到液体反应产物中以分离成水层和有机层; 向有机相中加入催化剂失活剂; 随后蒸出有机层以分离酸的缩水甘油酯，同时将含氧气体吹入有机层。 上述方法使得可以以最小化的杂质含量以高产率有效地制备丙烯酸或甲基丙烯酸的高纯度缩水甘油酯。
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公开(公告)号：US20130136547A1
公开(公告)日：2013-05-30
申请号：US13739848
申请日：2013-01-11
CPC分类号： B23C5/207 , B23C5/109 , B23C2200/0416 , B23C2200/085 , B23C2200/203 , B23C2200/205 , Y10T407/1924 , Y10T407/23
摘要： A cutting insert for a multifunctional endmill is capable of using three corners. The cutting insert includes a top surface and a bottom surface having an outer shape of a substantially polygonal shape and four side surfaces extending between the top surface and the bottom surface, a first side surface has a positive flank angle, a second side surface has a positive flank angle, a third side surface has the positive flank angle, the first side surface includes a first and a second component surfaces connected with each other so that the first side surface protrudes outward from a peripheral surface of the cutting insert, and a connection portion between a first and a second component surface extends between the top surface and the bottom surface.
摘要翻译： 用于多功能端铣刀的切削刀片能够使用三个角。 所述切削刀片包括顶表面和底表面，所述顶表面和底表面具有基本上多边形的外形和在所述顶表面和所述底表面之间延伸的四个侧表面，所述第一侧表面具有正侧面角，所述第二侧表面具有 正侧面角，第三侧面具有正侧面角，第一侧面包括彼此连接的第一和第二部件表面，使得第一侧表面从切削刀片的外周表面向外突出，并且连接 第一和第二部件表面之间的部分在顶表面和底表面之间延伸。
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公开(公告)号：US20050075466A1
公开(公告)日：2005-04-07
申请号：US10499120
申请日：2002-12-20
IPC分类号： C08G63/672 , C08J5/18 , C08K3/00 , C08L67/02 , C08L69/00
CPC分类号： C08L67/02 , C08G63/672 , C08K3/013 , C08L67/025 , C08L69/00 , C08L2666/18 , C08L2666/02
摘要： The invention provides a thermoplastic resin composition which is excellent in transparency, heat resistance, resistance to chemicals, and mechanical strength as well as moldability, printability, etc. The thermoplastic resin composition containing a polycarbonate resin in an amount of 2 to 99.5 wt. % and a polyester resin in an amount of 98 to 0.5 wt. %, wherein the polyester resin (B) contains diol units each having a cyclic acetal skeleton in an amount of 20 to 60 mol % with respect to total diol structural units.
摘要翻译： 本发明提供透明性，耐热性，耐化学品性，机械强度以及成型性，印刷性等优异的热塑性树脂组合物。含有2〜99.5重量％的聚碳酸酯树脂的热塑性树脂组合物。 ％的聚酯树脂和98〜0.5重量％的聚酯树脂。 ％，其中聚酯树脂（B）含有相对于二醇结构单元为20〜60摩尔％的环状缩醛骨架的二醇单元。
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公开(公告)号：US06379548B1
公开(公告)日：2002-04-30
申请号：US09424296
申请日：1999-11-22
申请人： Masahiro Kurokawa , Shiro Inoue , Shoichi Momose , Kazunori Koba
发明人： Masahiro Kurokawa , Shiro Inoue , Shoichi Momose , Kazunori Koba
IPC分类号： C02F900
CPC分类号： C02F9/00 , B01D61/025 , B01D61/04 , B01D2311/04 , B01D2311/06 , C02F1/283 , C02F1/285 , C02F1/42 , C02F1/441 , C02F1/444 , C02F1/5236 , C02F1/66 , C02F1/683 , C02F3/00 , C02F3/06 , C02F5/00 , C02F11/12 , C02F2003/001 , C02F2003/003 , C02F2101/14 , C02F2103/023 , C02F2103/04 , C02F2103/12 , Y02W10/15 , Y10S210/915 , B01D2311/2673
摘要： This invention provides a compact effluent water reclamation apparatus which is minimized in the kinds and amounts of chemicals to be used for the recovery of water to thereby reduce the amount of waste and eliminate equipment which necessitates a large area for installation. The effluent water reclamation apparatus comprises a reverse osmosis device and is adapted to treat acid-alkali effluent water containing organic matter but no fluorine, by concentrating the acid-alkali effluent water containing organic matter by reverse osmosis, evaporating the resulting concentrated water to dryness and collecting the water permeating through a reverse osmosis membrane. The apparatus is characterized in that the apparatus comprises as arranged upstream from the reverse osmosis device a neutralizing device for neutralizing the effluent water to prevent a scale component from separating out from the effluent water in the process of reverse osmosis, and a biological treatment tank for biologically treating the neutralized effluent water.
摘要翻译： 本发明提供了一种紧凑的流出水回收设备，其在用于回收水的化学品的种类和数量上最小化，从而减少废物的量并消除了需要大面积安装的设备。 废水回收装置包括反渗透装置，通过反渗透浓缩含有机物的酸碱流出水，将得到的浓缩水蒸发至干，并适于处理含有机物而不含氟的酸碱流出水 收集透过反渗透膜的水。 该装置的特征在于，该装置包括在反渗透装置的上游设置有中和装置，用于在反渗透过程中中和流出水以防止水垢成分从流出水中分离出来;以及生物处理槽 生物处理中和的流出水。
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7.发明授权Apparatus for withdrawing gas from heat exchanger having exchanger tubes and method of withdrawing gas by the apparatus 失效用于从具有交换器管的热交换器抽出气体的装置和由该装置取出气体的方法
公开(公告)号：US4219070A
公开(公告)日：1980-08-26
申请号：US946150
申请日：1978-09-27
CPC分类号： F28D15/0275 , F28B9/10 , F28D15/0258 , Y10S165/917 , Y10T29/4935
摘要： An apparatus for removing non-condensable gas accumulated in the exchanger tubes of a heat exchanger. A vertically elongated tank having retained in its lower portion a liquefied working medium for the exchanger tubes is provided beside the heat exchanger. The tank communicates as its lower portion with the lower ends of the tubes and at its upper portion with the upper ends of the tubes by lines each provided with a valve. A gas release pipe extends downward from outside into the upper portion of the tank through the tank wall. A working medium condensing cooling tube is provided in the upper portion of the tank. The interior of the tank is partitioned into a condensing tank and a tank main body positioned therebelow and having an upper portion communicating with the upper portion of the condensing tank and a lower portion communicating with the lower portion of the condensing tank. The non-condensable gas is withdrawn from the exchanger tubes in portions of progressively increasing pressure and led into the tank, and the gas is released from the tank to the atmosphere through the release pipe after the gas has been withdrawn from all the tubes.
摘要翻译： 一种用于除去积聚在热交换器的换热器管中的不可冷凝气体的装置。 在热交换器的旁边设置有在其下部保持用于交换器管的液化工作介质的垂直细长槽。 罐的下部与管的下端连通，并且在其上部，管的上端通过各自设置有阀的管线连通。 气体释放管通过罐壁从外部向下延伸到罐的上部。 在罐的上部设有工作介质冷凝冷却管。 罐的内部被分隔成冷凝罐和位于其下方的罐主体，并且具有与冷凝罐的上部连通的上部和与冷凝罐的下部连通的下部。 不可冷凝气体在逐渐增加的压力部分被从交换器管中取出并导入罐中，并且在气体从所有管中排出之后，气体通过释放管从罐释放到大气中。
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公开(公告)号：US09144850B2
公开(公告)日：2015-09-29
申请号：US13739848
申请日：2013-01-11
CPC分类号： B23C5/207 , B23C5/109 , B23C2200/0416 , B23C2200/085 , B23C2200/203 , B23C2200/205 , Y10T407/1924 , Y10T407/23
摘要： A cutting insert for a multifunctional endmill is capable of using three corners. The cutting insert includes a top surface and a bottom surface having an outer shape of a substantially polygonal shape and four side surfaces extending between the top surface and the bottom surface, a first side surface has a positive flank angle, a second side surface has a positive flank angle, a third side surface has the positive flank angle, the first side surface includes a first and a second component surfaces connected with each other so that the first side surface protrudes outward from a peripheral surface of the cutting insert, and a connection portion between a first and a second component surface extends between the top surface and the bottom surface.
摘要翻译： 用于多功能端铣刀的切削刀片能够使用三个角。 所述切削刀片包括顶表面和底表面，所述顶表面和底表面具有基本上多边形的外形和在所述顶表面和所述底表面之间延伸的四个侧表面，所述第一侧表面具有正侧面角，所述第二侧表面具有 正侧面角，第三侧面具有正侧面角，第一侧面包括彼此连接的第一和第二部件表面，使得第一侧表面从切削刀片的外周表面向外突出，并且连接 第一和第二部件表面之间的部分在顶表面和底表面之间延伸。
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公开(公告)号：US06740376B2
公开(公告)日：2004-05-25
申请号：US10153619
申请日：2002-05-24
申请人： Dai Oguro , Takeo Hayashi , Takeshi Hirokane , Masahiro Kurokawa
发明人： Dai Oguro , Takeo Hayashi , Takeshi Hirokane , Masahiro Kurokawa
IPC分类号： C08I7700
CPC分类号： C08L77/02 , C08L67/02 , C08L67/025 , C08L77/00 , C08L77/06 , Y10T428/1352 , C08L2666/14 , C08L2666/18 , C08L67/00
摘要： There is disclosed A polyester based resin composition (D) which comprises a polyamide resin (A) and a polyester resin (B), or a polyamide resin (A), a polyester resin (B) and a polyethylene terephthalate resin (C), characterized in that the polyester resin (B) is obtained by polycondensation of a dicarboxylic acid component containing 0.5 to 60 mol % of a dicarboxylic acid having a cyclic acetal skeleton and/or a diol component containing 0.5 to 60 mol % of a diol having a cyclic acetal skeleton, and that the blending proportions of the polyamide resin (A), the polyester resin (B) and the polyethylene terephthalate resin (C) are each in the range of 1 to 99% by weight, 1 to 99% by weight and 0 to 98% by weight, respectively on the basis of total sum weight of the components (A), (B) and (C). There is further disclosed a molded product (film, sheet, thin wall hollow container, etc.). The above polyester based resin composition and a product molded therefrom are each excellent in transparency color tone, gas barrier properties, pinhole resistance and mechanical performance.
摘要翻译： 公开了包含聚酰胺树脂（A）和聚酯树脂（B）或聚酰胺树脂（A），聚酯树脂（B）和聚对苯二甲酸乙二醇酯树脂（C）的聚酯类树脂组合物（D） 其特征在于，所述聚酯树脂（B）通过含有0.5〜60摩尔％的具有环状缩醛骨架的二羧酸的二羧酸成分和/或含有0.5〜60摩尔％的二醇的二醇的缩聚得到，所述二醇具有 环状缩醛骨架，聚酰胺树脂（A），聚酯树脂（B）和聚对苯二甲酸乙二醇酯树脂（C）的配合比例分别为1〜99重量％，1〜99重量％ （A），（B）和（C）的总和重量分别为0〜98重量％。 进一步公开了成型品（膜，片，薄壁中空容器等）。 上述聚酯类树脂组合物和由其模塑的产品具有优异的透明色调，阻气性，针孔性和机械性能。
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公开(公告)号：US5980790A
公开(公告)日：1999-11-09
申请号：US27970
申请日：1998-02-23
IPC分类号： C08F2/06 , C08F212/08 , C08F220/14 , B29C47/76
CPC分类号： C08F220/14 , C08F212/08
摘要： A high quality copolymer of styrene and methyl methacrylate is economically produced by polymerizing styrene and methyl methacrylate in a homogeneous solution of raw materials comprising methyl methacrylate, styrene, and an antioxidant, while the solution of raw materials is continuously supplied to a polymerization reactor including at least one complete-mixing type reaction tank, continuously removing the polymerization product from the polymerization reactor, supplying the polymerization product removed from the polymerization reactor directly to an extruder having a plurality of vents, and extruding a copolymer from the extruder, while volatile matter are removed through the plurality of vents.
摘要翻译： 苯乙烯和甲基丙烯酸甲酯的高品质共聚物通过在包含甲基丙烯酸甲酯，苯乙烯和抗氧化剂的原料的均匀溶液中聚合苯乙烯和甲基丙烯酸甲酯而经济地制备，同时将原料溶液连续供给到包括 至少一个完全混合型反应槽，从聚合反应器中连续除去聚合产物，将从聚合反应器中除去的聚合产物直接供给到具有多个通风口的挤出机中，并从挤出机挤出共聚物，而挥发物为 通过多个通风口去除。
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