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    • 5. 发明授权
    • Process for preparation of N-halothiosulfonamide modified terpolymers
    • 制备N-卤代硫代酰胺改性三元共聚物的方法
    • US5756590A
    • 1998-05-26
    • US726593
    • 1996-10-07
    • Roger John Hopper
    • Roger John Hopper
    • C08F8/30C08F8/34C08F8/38C08C19/22
    • C08F8/34
    • 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 .alpha.-olefin containing from 3-16 carbon atoms, and 5-ethylidene-2-norbornene, with (b) an N-chloro(or bromo)thio-sulfonamide of the formula: ##STR1## wherein R.sup.1 and R.sup.2 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 R.sup.1 is also selected from radicals having the formula: ##STR2## wherein R.sup.3 and R.sup.4 are individually selected from said alkyl, aralkyl, aryl and substituted aryl radicals and wherein R.sup.3 and R.sup.4 can be joined together to represent radicals selected from ##STR3## where n is an integer of 4 to 7, and ##STR4## 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)硫代磺酰胺改性的三元共聚物的方法,其包括使(a)乙烯,含有3-16个碳原子的α-烯烃和5-亚乙基 与(b)下式的N-氯(或溴)硫代磺酰胺,其中R 1和R 2选自具有1至20个碳原子的烷基,具有 7至20个碳原子和具有6至10个碳原子的芳基和取代的芳基,并且其中R1还选自具有下式的基团:其中R 3和R 4分别选自所述烷基,芳烷基,芳基和取代的芳基 并且其中R 3和R 4可以连接在一起以表示选自其中n是4至7的整数的基团,并且其中X选自氯和溴; 在至少化学计量的氢卤酸受体的存在下。
    • 8. 发明授权
    • Polymer containing chelating groups, process for preparing it and its
use in water purification
    • 含有螯合基团的聚合物,其制备方法及其在水中的应用
    • US5357002A
    • 1994-10-18
    • US992716
    • 1992-12-18
    • Alessandro LezziArnaldo RoggeroSandra Cobianco
    • Alessandro LezziArnaldo RoggeroSandra Cobianco
    • C02F1/28C02F1/62C08F8/34C08F8/26C08F8/32C08F8/38
    • C02F1/285C02F1/62C08F8/00C08F8/02C08F8/20C08F8/32C08F8/34C08F8/44C08F2810/20
    • Water insoluble polymers containing hydrophilic pendant moieties ending with a chelating group are disclosed. The polymers are useful in the purification of water polluted by heavy metals such as mercury and lead. The polymers have the general formula P--(--(--O--R).sub.n --(NH--Q).sub.p --F).sub.m where P is a polymeric matrix capable of reacting with a polyalkylene glycol or an alkylene oxide having such a structure and molecular weight as to be insoluble in water; R is either --CH.sub.2 CH.sub.2 -- or mixtures of --CH.sub.2 CH.sub.2 -- and --CH.sub.2 CH(CH.sub.3)--, with the molar ratio of both units in the mixture being at least 3:1; n is 3 to 50; m is a numeral such that the % by weight of all of the --(--(--O--R--).sub.n (NH--Q).sub.p --F hydrophilic chains is higher than 1% by weight of the total weight of (I); Q is a C.sub.2 -C.sub.6 difunctional aliphatic or aromatic hydrocarbon radical; p is 0 or 1; F is a chelating group selected from dithiocarbamate and methyl-thiourea when p is 1, or from thiol and isothiouronium when p is 0.
    • 公开了含有以螯合基团结束的亲水侧基部分的水不溶性聚合物。 这些聚合物可用于净化由重金属(如汞和铅)污染的水。 聚合物具有通式P - ( - ( - OR)n-(NH-Q)pF)m,其中P是能够与聚亚烷基二醇反应的聚合物基体或具有如下结构和分子量的环氧烷: 不溶于水; R是-CH 2 CH 2 - 或-CH 2 CH 2 - 和-CH 2 CH(CH 3) - 的混合物,混合物中两个单元的摩尔比至少为3:1; n为3〜50; m是使所有 - ( - ( - OR-)n(NH-Q)pF亲水链的重量%)高于(I)的总重量的1重量%; Q是 C2-C6二官能脂族或芳族烃基; p为0或1;当p为1时,F为选自二硫代氨基甲酸酯和甲基 - 硫脲的螯合基团,或当p为0时,为巯基和异硫脲。