公开(公告)号：US4985540A

公开(公告)日：1991-01-15

申请号：US438037

申请日：1989-11-20

申请人： William G. Bradford ,  Gilles J. Arsenault ,  Alexander J. Marshall

发明人： William G. Bradford ,  Gilles J. Arsenault ,  Alexander J. Marshall

IPC分类号： C08F6/08 ,  C08C2/04 ,  C08F6/06

CPC分类号： C08C2/04

摘要： A process is provided for removing rhodium-containing catalyst residue from a solution of hydrogenated nitrile rubber. The process utilizes an ion exchange resin which must be both macroreticular and modified with a selected amine, thiol, carbodithioate, thiourea and/or dithiocarbamate functional group. The process is capable of removing rhodium from viscous rubber solutions containing less than 10 ppm rhodium. In a preferred embodiment, the process is undertaken in an ion-exchange column.

公开(公告)号：US4925900A

公开(公告)日：1990-05-15

申请号：US245323

申请日：1988-09-16

申请人： Gilles J. Arsenault

发明人： Gilles J. Arsenault

IPC分类号： C08F8/20 ,  C08C19/12 ,  C08C19/14 ,  C08F236/12

CPC分类号： C08C19/14 ,  C08C19/12

摘要： The present invention relates to adducts of a partially hydrogenated acrylonigrile-butadiene rubber and a halogen selected from chlorine and bromine. The preferred adducts are characterized by having a surprisingly low gel content of less than ten weight percent, as measured by weight percent insoluble in methyl ethyl ketone after sixteen hours at 30.degree. C.

公开(公告)号：US5227463A

公开(公告)日：1993-07-13

申请号：US897737

申请日：1992-06-12

申请人： Gilles J. Arsenault

发明人： Gilles J. Arsenault

IPC分类号： C08F8/34 ,  C08F212/08

CPC分类号： C08F212/08

摘要： A process is provided for the production of functional group containing resins wherein an alkyl-dithiol is added to the polymerizing mixture of styrene and divinyl benzene part way through the polymerization. On completion of the polymerization, the product is a thiol functionalized styrene-divinyl benzene resin.

公开(公告)号：US5043394A

公开(公告)日：1991-08-27

申请号：US487271

申请日：1990-03-02

申请人： Gilles J. Arsenault

发明人： Gilles J. Arsenault

IPC分类号： C08C19/20 ,  C08F8/34

CPC分类号： C08C19/20

摘要： The present invention provides an adduct of a hydrogenated nitrile rubber and a sulfenyl chloride.The adducts are characterized by having a surprisingly low level of gel, as determined by the amount of adduct which is insoluble in methyl ethyl ketone after 16 hours at 30.degree. C.The adducts may be vulcanized and used to prepare seals, gaskets or mechanical goods.

公开(公告)号：US5118716A

公开(公告)日：1992-06-02

申请号：US593008

申请日：1990-10-05

申请人： Gilles J. Arsenault

发明人： Gilles J. Arsenault

IPC分类号： B01J39/20 ,  C08F8/34

CPC分类号： C08C2/04 ,  B01J39/20 ,  C08F8/22 ,  C08F8/34 ,  C08F8/42 ,  C08F2800/20

摘要： This invention provides a new ion exchange resin which is characterized by having carbodithioate functionality (e.i. P--CS.sub.2.sup.- M.sup.+ where P--represents the resin bead and where M is selected from Na, K and Li).The present ion exchange resin may be prepared from a suitable non-functionalized resin bead by subjecting it to bromination, lithiation and treatment with carbon disulfide. Alternatively, a styrene-divinylbenzene resin which contains from 10 to 50 weight % DVB may be functionalized by lithiation and treatment with CS.sub.2.The carbodithioate functionalized resin of this invention is resistant to hydrolysis and is effective for the removal of Group VIII precious metals (e.g. rhodium) from chemical process streams.

摘要翻译： 本发明提供了一种新的离子交换树脂，其特征在于具有碳二硫酸酯官能度（ei + E，crc / P / -CS2-M +，其中+ E，crc / P / - 表示树脂珠，其中M选自Na，K 和李）。 本离子交换树脂可以通过使其进行溴化，锂化和用二硫化碳处理从合适的非官能化树脂珠制备。 或者，含有10至50重量％DVB的苯乙烯 - 二乙烯基苯树脂可以通过锂化和CS2处理来官能化。 本发明的碳二硫酸酯官能化树脂耐水解，对于从化学工艺流中除去VIII族贵金属（例如铑）是有效的。