摘要:
The present invention relates to a process for reacting epoxides with an initiator compound in the presence of a double metal cyanide compound as a catalyst, said process having a shortened induction period, and the double metal cyanide compound being activated by adding the epoxide to a mixture of double metal cyanide compound and initiator compound at an internal reactor pressure of less than 1 bar, and also to the polyethers themselves obtainable by such a process.
摘要:
The present invention relates to polyethers which are obtainable from 1 -butene oxide and an alcohol using a double metal cyanide compound as a catalyst and have a content of unsaturated components of 6 mol% or more, to a process for preparing such a polyether and also to the use of a polyether according to the invention as a carrier oil or in a carrier oil formulation, in particular in additive packages for gasoline fuels, and furthermore also to carrier oil formulations and also to fuels comprising a polyether according to the invention.
摘要:
The present invention relates to a process for preparing at least one alkoxylate, which comprises bringing at least one alkylene oxide selected from the group consisting of ethylene oxide, propylene oxide, butylene oxide, pentylene oxide and decene oxide into contact with at least one starter compound in the presence of at least one double metal cyanide compound, with the reaction being carried out at a temperature of from 130° C. to 155° C., to the alkoxylates, in particular ethoxylates, themselves and to the use of such ethoxylates as emulsifier, foam regulator or as wetting agents for hard surfaces.
摘要:
The present invention relates to a process for preparing a polyetherol which comprises reacting at least one alkylene oxide with at least one starter compound in the presence of a catalyst of the formula I: M1p[M2qOn(OH)2(3-n)]x, (I) and to the polyetherols prepared by such a process and to their use for the synthesis of polyurethanes, as fuel additive or as surfactant.
摘要:
The present invention relates to a process for the alkoxylation of organic compounds comprising the reaction of at least one organic compound with at least one alkoxylating agent in the presence of a catalyst system, wherein a polyether alcohol is obtained. The catalyst system comprises a metallo organic framework mate-rial comprising pores and at least one metal ion and at least one at least bidentate organic compound, which is coordinately bounded to said metal ion. Furthermore it relates to polyurethanes or polyurethane foams, which are obtainable by using a prepared polyether alcohol as a starting material.
摘要:
The present invention relates to compositions at least comprising one alkoxylate of the formula RO(A)n(B)mH, to processes for the preparation of such compositions, in particular in the presence of double-metal cyanide compounds as catalyst, and their use as emulsifier, foam regulator or as wetting agents for hard surfaces. Moreover, the present invention also relates to the use of such compositions in detergents and surfactant formulations.
摘要:
The present invention relates to agrochemical compositions which comprise certain alcohol alkoxylates of the amphiphilic type, and the use of the alcohol alkoxylates as activity-improving adjuvant in the agrochemical sector, and in particular in the plant protection sector. The alcohol alkoxylates take the form of alkoxylated alcohols of the formula (I) R—O—[(CnH2nO)x-(PhC2H3O)y—(CmH2mO)z]co—H (I) in which R represents a hydrocarbon radical having 1 to 30 carbon atoms; n, m independently of one another represent a value of from 2 to 16; x represents a value of from 0 to 100; y represents a value of from 0.5 to 100; z represents a value of from 0 to 100; and x+y+z corresponds to a value of from 2 to 100, where at least one of x or z is greater than 0.
摘要翻译:本发明涉及包含两亲型某些醇烷氧基化物的农用化学组合物,以及在农业化学领域,特别是植物保护领域中使用醇烷氧基化物作为活性改进助剂。 醇烷氧基化物采用式(I)R-O - [(CnH2nO)x-(PhC2H3O)y-(CmH2mO)z] co-H(I)的烷氧基化醇的形式,其中R表示具有1 至30个碳原子; n,m彼此独立地表示2至16的值; x表示0至100的值; y表示0.5〜100的值; z表示0至100的值; x + y + z对应于2至100的值,其中x或z中的至少一个大于0。
摘要:
The present invention relates to low-foam surfactant mixtures comprising esters of the general formula (I) and alcohols thereof of the general formula (Ia) where R is a branched or unbranched alkyl radical having from 8 to 22 carbon atoms; Ra, R1 are each independently hydrogen or a branched or unbranched alkyl radical having from 1 to 5 carbon atoms; R2 is a branched or unbranched alkyl radical having from 5 to 17 carbon atoms; l, n are each independently from 1 to 5 and m is from 38 to 70, and where the ratio of the molar amounts of the esters (I) to the alcohols (Ia) is at least 17:3. The invention further relates to the process for preparing them and to their use and to washing and cleaning composition formulations comprising them.
摘要翻译:本发明涉及包含通式(I)的酯和通式(Ia)的醇的低泡表面活性剂混合物,其中R是具有8-22个碳原子的支链或非支链烷基; R a,R 1各自独立地为氢或具有1至5个碳原子的支链或非支链烷基; R2是具有5至17个碳原子的支链或非支链烷基; 1,n各自独立地为1至5,m为38至70,并且其中酯(I)与醇(Ia)的摩尔量之比至少为17:3。 本发明还涉及制备它们的方法及其用途以及洗涤和清洗包含它们的组合物制剂。
摘要:
The invention relates to a process for preparing polyether carbonate polyols by addition of alkylene oxides and carbon dioxide onto H-functional starter substances using DMC catalysts, wherein one or more starter substances are initially placed in the reactor and one or more starter substances are metered continuously into the reactor during the reaction.
摘要:
The present invention relates to a surfactant mixture comprising (A) a short-chain component comprising the alkoxylation product of alkanols, where the alkanols have 8 to 12 carbon atoms and the average number of alkoxy groups per alkanol group in the alkoxylation product assumes a value from 0.1 to 30, the alkoxy groups are C2-10-alkoxy groups and the alkanols have an average degree of branching of at least 1; and (B) a long-chain component comprising the alkoxylation product of alkanols, where the alkanols have 15 to 19 carbon atoms and the average number of alkoxy groups per alkanol group in the alkoxylation product assumes a value from 0.1 to 30, the alkoxy groups are C2-10-alkoxy groups and the alkanols have an average degree of branching of at least 2.5; and/or phosphate esters, sulfate esters and ether carboxylates thereof. The present invention also relates to formulations comprising such surfactant mixtures, to methods of producing the surfactant mixtures and to their use.