公开(公告)号：US4064085A

公开(公告)日：1977-12-20

申请号：US629445

申请日：1975-11-06

申请人： Yujiro Kosaka ,  Hideaki Nakazawa ,  Tetsuo Iikuni ,  Mitsumasa Akashi

发明人： Yujiro Kosaka ,  Hideaki Nakazawa ,  Tetsuo Iikuni ,  Mitsumasa Akashi

IPC分类号： C08F2/00 ,  C08F2/28 ,  C08F2/30 ,  C08F36/04 ,  C08L9/10

CPC分类号： C08F36/04

摘要： A process for producing cationic synthetic rubber latexes by the emulsion polymerization of a conjugated diene or a conjugated diene and a comonomer copolymerizable with the conjugated diene, wherein the polymerization is carried out in the presence of a cationic emulsifier consisting of one or more organic or inorganic acid salts of a .beta.-hydroxy- or .beta.-hydroxymethyl-alkylpolyamine of the general formulae: ##STR1## wherein X is a hydroxyl or hydroxymethyl group, R.sub.1 is a hydrogen atom or an alkyl group of 1 to 20 carbon atoms, R.sub.2 is a hydrogen atom or an alkyl group of 1 to 20 carbon atoms, R.sub.1 + R.sub.2 together contain 8 to 20 carbon atoms, and n is an integer of 1 to 3, an ethylene oxide and/or propylene oxide adduct thereof, or an organic or inorganic acid salt of such an adduct, or a mixture thereof, and in the presence of colloidal alumina.

摘要翻译： 通过共轭二烯或共轭二烯的乳液聚合和可与共轭二烯共聚的共聚单体生产阳离子合成橡胶胶乳的方法，其中聚合在阳离子乳化剂的存在下进行，所述阳离子乳化剂由一种或多种有机或无机 具有以下通式的β-羟基或β-羟甲基 - 烷基多胺的酸式盐：其中X是羟基或羟甲基，R 1是氢原子或烷基 1〜20个碳原子，R2为氢原子或1〜20个碳原子的烷基，R1 + R2一起含有8〜20个碳原子，n为1〜3的整数，环氧乙烷和/或 环氧丙烷加成物，或这种加合物的有机或无机酸盐或其混合物，并且在胶体氧化铝的存在下进行。

公开(公告)号：US4016903A

公开(公告)日：1977-04-12

申请号：US636595

申请日：1975-12-01

申请人： Mitsumasa Akashi ,  Toshio Makio

发明人： Mitsumasa Akashi ,  Toshio Makio

IPC分类号： F16K17/196 ,  F15B21/04 ,  F16K17/10 ,  F16K17/26

CPC分类号： F16K17/10 ,  F15B21/047 ,  Y10T137/7776 ,  Y10T137/7777 ,  Y10T137/778

摘要： A pilot operated pressure and vacuum relief valve which is adapted to open both at times when fluid pressure in a system in which the valve is connected exceeds a predetermined high value and at times when such pressure falls below a predetermined lower value.Said valve comprises a housing, a first valve means slidably inserted in said housing, a second valve means slidably inserted in said first valve means, a regulating member inserted in said first and second valve means, extending from the front end portion to rear end portion of said first valve means, and first and second springs disposed in said housing and said first valve means located and constructed so as to bias said first valve means and said second valve means respectively.

摘要翻译： 一种先导操作的压力和真空安全阀，其适于在阀连接的系统中的流体压力超过预定的高值时以及当这种压力低于预定的较低值的时候打开。