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    • 3. 发明授权
    • Copolymers based on maleic anhydride and .alpha., .beta.-unsaturated
compounds a process for their preparation and their use as paraffin
inhibitors
    • 基于马来酸酐和α,β-不饱和化合物的共聚物,其制备方法及其作为石蜡抑制剂的用途
    • US4670516A
    • 1987-06-02
    • US700411
    • 1985-02-11
    • Gunter SackmannJan MazanekWolfgang OberkirchHerbert Bartl
    • Gunter SackmannJan MazanekWolfgang OberkirchHerbert Bartl
    • C08F8/32C08F8/44C10L1/196C10L1/236
    • C10L1/1966C08F8/32C08F8/44C10L1/2364
    • The new copolymers based on maleic anhydride and .alpha.,.beta.-unsaturated compounds contain, as bivalent structural units,A: 20 to 95 mole % of the structural element ##STR1## B: 0 to 40 mole % of the structural element ##STR2## C: and 0 to 40 mole % of the structural element ##STR3## the sum of the mole percents of (A), (B) and (C) being 100, and wherein R.sup.1 and R.sup.2 are identical or different and denote hydrogen, alkyl, optionally substituted aryl or the ester group ##STR4## in which R.sup.4 represents alkyl with 1 to 20 carbon atoms,R.sup.3 denotes an alkyl, cycloalkyl or optionally substituted aryl radical with 1 to 20 carbon atoms andX and Y are identical or different and represent the group--O--R.sup.5in whichR.sup.5 denotes hydrogen, a cation or alkyl with 1 to 40 carbon atoms, orX and Y represent the group--NHR.sup.3in which R.sup.3 has the abovementioned meaning,at least one of the radicals X and Y representing the group --O--R.sup.5, and at least one of the radicals in the radicals X and Y containing at least 18 carbon atoms.The new copolymers can be prepared by reacting alternating copolymers of maleic anhydride and .alpha.,.beta.-unsaturated compounds with monoalcohols and monoamines. They can be used as paraffin inhibitors.
    • 基于马来酸酐和α,β-不饱和化合物的新共聚物含有作为二价结构单元的A:20至95摩尔%的结构元素B:0至40摩尔%的结构元素 :(A),(B)和(C)的摩尔百分数的总和为100,其中R 1和R 2相同或不同,表示氢,烷基, 任选取代的芳基或其中R 4表示具有1至20个碳原子的烷基的酯基“IMAGE”,R 3表示具有1至20个碳原子的烷基,环烷基或任选取代的芳基,X和Y相同或不同, 基团-O-R5,其中R5表示氢,阳离子或具有1至40个碳原子的烷基,或X和Y表示其中R3具有上述含义的基团-NHR 3,基团X和Y中的至少一个表示 基团-O-R5,并且基团X和Y中的至少一个基团含有至少1个 8个碳原子。 新的共聚物可以通过使马来酸酐和α,β-不饱和化合物的交替共聚物与一元醇和单胺反应来制备。 它们可以用作石蜡抑制剂。
    • 8. 发明授权
    • Alkoxylated aminopolyethers, a process for their preparation
    • 烷氧基化氨基聚醚,其制备方法
    • US4739094A
    • 1988-04-19
    • US807388
    • 1985-12-10
    • Jan MazanekHanns P. MullerRoland NastWolfgang OberkirchFranz-Moritz RichterWalter Schafer
    • Jan MazanekHanns P. MullerRoland NastWolfgang OberkirchFranz-Moritz RichterWalter Schafer
    • F23K1/02C08G65/26C08G65/32C10L1/32
    • C10L1/326C08G65/2624
    • New alkoxylated aminopolyethers of the formula ##STR1## in which Q denotes a polyalkylene oxide radical which has a valency corresponding to n, which has a structure derived from an aminopolyether by removal of the terminal amino groups and which has an average molecular weight of 82 to 30,000,A.sub.1 and A.sub.2 denote identical or different mono- or polyalkylene oxide radicals of the type (RO).sub.y,whereineach radical R represents an alkylene radical with 2 to 40 C atoms andy represents an integer from 1 to 200,B.sub.1 and B.sub.2 denote identical or different mono- or polyalkylene oxide radicals of the type (R'O).sub.z,whereinat least 50% of the R' radicals represent a --CH.sub.2 --CH.sub.2 -- group,the other R' radicals which may be present each represent an alkylene radical with 3 to 40 C atoms andz represents an integer from 1 to 300,Z denotes hydrogen, ##STR2## wherein M.sup..sym. represents one equivalent of a metal ion or represents NH.sub.4.sup..sym. andn denotes an integer from 1 to 30,a process for their preparation and coal/water slurries containing them.
    • 其中Q表示具有对应于n的化合价的聚亚烷基氧基的新的烷氧基化氨基聚醚,其具有通过除去末端氨基而衍生自氨基聚醚的结构,其平均分子量为82〜 30,000,A1和A2表示类型(RO)y相同或不同的单 - 或聚环氧烷基,其中每个基团R表示具有2至40个C原子的亚烷基,y表示1至200的整数,B1和B2 表示类型(R'O)z的相同或不同的单 - 或聚环氧烷基团,其中至少50%的R'基团表示-CH 2 -CH 2 - 基团,可以存在的另一个R'基团表示 具有3至40个C原子的亚烷基,z表示1至300的整数,Z表示氢,其中M(+)表示1当量的金属离子或表示NH 4(+),n表示 1〜30,其制备方法和煤/ 含水的泥浆含有它们。