公开(公告)号：US07169857B2

公开(公告)日：2007-01-30

申请号：US10677746

申请日：2003-10-03

申请人： Mark A. McHugh ,  Dan Li ,  Michael Oka

发明人： Mark A. McHugh ,  Dan Li ,  Michael Oka

IPC分类号： C08C19/18

CPC分类号： C08J9/122 ,  C08F14/18 ,  C08J2201/032 ,  C08J2203/08 ,  C08J2327/12 ,  Y02P20/544

摘要： Fluoroelastomers are combined with chemical agents in the presence of supercritical carbon dioxide by swelling the fluoroelastomer with the carbon dioxide, and impregnating the swollen fluorelastomer with the chemical agent. The process can be conducted at relatively low temperatures and pressures such that degradation of the fluoroelastomer or the chemical agent is avoided. The chemical agent is preferably a curing agent which includes functional groups that interact with functional groups on the fluoroelastomer to create an association therebetween. The process is enhanced by pre-dissolving the chemical agent in a solvent which does not solubilize the fluoroelastomer to a great extent, but which is itself soluble in supercritical carbon dioxide. In addition, during combining, mechanical mastication is performed to create a free flowing powder.

摘要翻译： 在超临界二氧化碳的存在下，通过用二氧化碳溶胀含氟弹性体，并用化学试剂浸渍溶胀的荧光体，氟化弹性体与化学试剂结合。 该方法可以在相对较低的温度和压力下进行，从而避免含氟弹性体或化学试剂的降解。 化学剂优选是固化剂，其包括与氟弹性体上的官能团相互作用以在它们之间形成缔合的官能团。 通过将化学试剂预溶解在很大程度上不溶解含氟弹性体但是本身可溶于超临界二氧化碳的溶剂中来增强该方法。 此外，在组合期间，进行机械咀嚼以产生自由流动的粉末。

公开(公告)号：US20050075460A1

公开(公告)日：2005-04-07

申请号：US10677746

申请日：2003-10-03

申请人： Mark McHugh ,  Dan Li ,  Michael Oka

发明人： Mark McHugh ,  Dan Li ,  Michael Oka

IPC分类号： C08F14/18

CPC分类号： C08J9/122 ,  C08F14/18 ,  C08J2201/032 ,  C08J2203/08 ,  C08J2327/12 ,  Y02P20/544

摘要： Fluoroelastomers are combined with chemical agents in the presence of supercritical carbon dioxide by swelling the fluoroelastomer with the carbon dioxide, and impregnating the swollen fluorelastomer with the chemical agent. The process can be conducted at relatively low temperatures and pressures such that degradation of the fluoroelastomer or the chemical agent is avoided. The chemical agent is preferably a curing agent which includes functional groups that interact with functional groups on the fluoroelastomer to create an association therebetween. The process is enhanced by pre-dissolving the chemical agent in a solvent which does not solubilize the fluoroelastomer to a great extent, but which is itself soluble in supercritical carbon dioxide. In addition, during combining, mechanical mastication is performed to create a free flowing powder.

摘要翻译： 在超临界二氧化碳的存在下，通过用二氧化碳溶胀含氟弹性体，并用化学试剂浸渍溶胀的荧光体，氟化弹性体与化学试剂结合。 该方法可以在相对较低的温度和压力下进行，从而避免含氟弹性体或化学试剂的降解。 化学剂优选是固化剂，其包括与氟弹性体上的官能团相互作用以在它们之间形成缔合的官能团。 通过将化学试剂预溶解在很大程度上不溶解含氟弹性体但是本身可溶于超临界二氧化碳的溶剂中来增强该方法。 此外，在组合期间，进行机械咀嚼以产生自由流动的粉末。