The subject invention discloses a process for preparing an N-chloro(or bromo)thio-sulfonamide-modified terpolymer which comprises reacting:
(a) a terpolymer of ethylene, an α-olefin containing from 3-16 carbon atoms, and 5-ethylidene-2-norbornene, with
(b) an N-chloro(or bromo)thio-sulfonamide of the formula:
wherein R1 and R2 are selected from the group consisting of alkyl radicals having 1 to 20 carbon atoms, aralkyl radicals having 7 to 20 carbon atoms and aryl and substituted aryl radical having 6 to 10 carbon atoms and wherein R1 is also selected from radicals having the formula:
wherein R3 and R4 are individually selected from said alkyl, aralkyl, aryl and substituted aryl radicals and wherein R3 and R4 can be joined together to represent radicals selected from (̵CH2)̵n, where n is an integer of 4 to 7, and (̵CH2)̵20(̵CH2)̵2, and wherein X is selected from chlorine and bromine; in the presence of at least a stoichiometric amount of a hydrohalic acid acceptor.
本发明公开了一种制备 N-
氯(或
溴)
硫磺酰胺改性三元共聚物的工艺,该工艺包括使以下物质发生反应:
(a)
乙烯、含有 3-16 个碳原子的 α 烯烃和 5-亚乙基-2-
降冰片烯的三元共聚物,与
(b) 式中的 N-
氯(或
溴)
硫代磺酰胺:
其中 R1 和 R2 选自具有 1 至 20 个碳原子的烷基、具有 7 至 20 个碳原子的芳基和具有 6 至 10 个碳原子的芳基和取代芳基组成的组,其中 R1 还选自具有以下式子的基团:
其中 R3 和 R4 单独选自所述烷基、烷基、芳基和取代芳基,且 R3 和 R4 可连接在一起以代表选自 (̵
CH2)̵n 的基,其中 n 为 4 至 7 的整数,和 (̵ )̵20(̵ )̵2 的基,且 X 选自
氯和
溴,在至少有一定量的氢卤酸受体存在的情况下。