Abstract: Disclosed is a process for the preparation of polyesters, comprising the following steps and characterized by the following measures: a) suspending polyethylene terephthalate waste in ethylene glycol and/or in 1,2-propylene glycol containing a transesterification catalyst, b) heating the reaction mixture to depolymerize the polyethylene terephthalate waste for a time sufficient to decompose the polyethylene terephthalate into monomers and into oligomers, c) addition of end group forming monomers in the form of polyalkylene glycol monoalkyl ethers, fatty alcohols, fatty amines, fatty acids or esters thereof or mixtures of two or more thereof, and/or sulfo(poly)alkylene glycols and/or sulfoaryl carboxylic acids or esters thereof, d) addition of sulfoarylene dicarboxylic acids or polyester-forming derivatives thereof, e) optionally adding aliphatic diols, cycloaliphatic diols, organic dicarboxylic acids, their polyester-forming derivatives, crosslinkers or mixtures of two or more thereof, f) heating the react

Abstract: The present invention concerns a granule comprising Mn(II) oxalate, a protonated salt of a cyclic triamine, a polysaccharide absorbent and a coating agent. In another embodiment the invention concerns a granule comprising a polysaccharide absorbent, a protonated salt of a cyclic triamine and no or very small amounts of Mn. The invention also concerns methods of preparing said granules comprising Mn(II) oxalate, polysaccharide absorbent and such salts or comprising polysaccharide absorbent, such salts and no Mn compound and bleaching formulations comprising the granules and a peroxy compound or a precursor thereof. Granules comprising Mn(II) oxalate, polysaccharide absorbent and the salt or comprising polysaccharide absorbent, the salt and no Mn compound, and formulations comprising these are suitable for use in catalysing oxidation, for example as a component of a dishwasher bleaching composition. The invention further relates to methods of oxidising with the bleaching formulations described herein.

Abstract: Disclosed are aqueous compositions of selected anionic polyesters and of selected nonionic polyesters. These compositions are characterized by good storage stability and low viscosity and can be used in detergents and cleaning agents to improve soil release.

Abstract: Disclosed are polyesters containing structural units corresponding to formula (I) or to formula (II) or to formulae (I) and (II), structural units of formula (III) or of formula (IV) or of formulae (III) and (IV), and optionally structural units of the formula (V) —CO—R1—CO—O—C2H4—O—??(I), —CO—R1—CO—O—(C3H6—O)—??(II), —CO—R2—CO—O—C2H4—O—??(III), —CO—R2—CO—O—(C3H6—O)—??(IV), —CO—R3—CO—O—R4—O—??(V), as well as nonionic endgroups of the formula (VI), and optionally nonionic endgroups of the formula (VII) —CO—(O—C2H4—)n—OR5??(VI), —CO—OR6??(VII). In these structural units and endgroups R1 to R6 are selected organic radicals and n is a number between 30 and 500. The polyesters according to the invention are characterized by very good soil release properties, can be readily stored in detergent and cleaning agent formulations and can be used as soil-release polymers.

Abstract: There are disclosed co-granules coated with hydroxymethyl cellulose and containing: b1) cyclic sulfonimine, b2) bleach activator selected from the group consisting of tetraacetylethylenediamine, decanoyloxybenzoic acid or mixtures thereof, and b3) carboxymethyl cellulose as binder, wherein the binder consists of the carboxymethyl cellulose of component b)3 which has a solubility of at least 1 g of carboxymethyl cellulose in 1 L of water at 25° C. and wherein the coating comprises hydroxymethyl cellulose in an amount of from 5 to 20 wt. % of the coated co-granules.

Abstract: The present invention provides granules containing one or more bleaching catalysts selected from the group of manganese salts or manganese complexes and at least one binder selected from the group of acid organic compounds coated with 0.1 to 3% by weight, referring to the total amount of the granules, with a polyvinyl alcohol-containing coating, wherein the coating comprises at least 80% of polyvinyl alcohol or mixtures thereof, in relation to the total weight of the coating.

Abstract: Disclosed are compounds of formula (I) (R1OOC)a—R2(OH)c—COO—(CnH2n—O)m—OC—R3(OH)d—(COOR4)b??(I) wherein R1 and R4 independently of one another are hydrogen, a metal cation, an ammonium cation, C1-C6-alkyl, cycloalkyl with three to nine ring carbon atoms, aryl with five to ten ring carbon atoms, aryl that is substituted with one or two alkyl groups, aryl that is connected via an alkylene group with the carboxyl group, —(CnH2n—O)m—H or —O—R2(COOR1)a+1, R2 and R3 independently of one another are aliphatic hydrocarbon residues with one to eight carbon atoms, a and b independently of one another are integers from 1 to 4, c is an integer from 0 to 4, d is an integer from 1 to 4, n is 2, 3 or 4, and m is 1, 2, 3 or 4, with the proviso that R1 and R4 may be different within a molecule within the given definitions. These compounds are characterized by a very good complexation power for metal cations and can be used in detergents and cleaning agents, in oil extraction and for water softening.

Abstract: Described are co-granules coated with cellulose ether and containing b1) cyclic sulfonimine, b2) bleach activator selected from the group consisting of tetraacetylethylenediamine, decanoyloxybenzoic acid or mixtures thereof, and b3) cellulose ether as binder. These co-granules can be produced by wet granulation and are very storage-stable. The co-granules can be used in detergents and cleaning agents, which contain (a) bleaching agent selected from the group consisting of perborate, percarbonate or mixtures thereof, and (b) the co-granules coated with cellulose ether. These detergents and cleaning agents contain highly active bleach activators and bleach catalysts and are characterized by high storage stability. The combination of components b1) and b2) and peroxygen compound a) leads to a pronounced disinfection effect even at low temperatures. The detergents and cleaning agents can be used even at low temperatures and show a good washing performance.

Abstract: Disclosed are compounds of formula (I) (R1OOC)a—R2(OH)c—COO—(CnH2n—O)m—OC—R3(OH)d—(COOR4)b??(I) wherein R1 and R4 independently of one another are hydrogen, a metal cation, an ammonium cation, C1-C6-alkyl, cycloalkyl with three to nine ring carbon atoms, aryl with five to ten ring carbon atoms, aryl that is substituted with one or two alkyl groups, aryl that is connected via an alkylene group with the carboxyl group, —(CnH2n—O)m—H or —O—R2(COOR1)a+1, R2 and R3 independently of one another are aliphatic hydrocarbon residues with one to eight carbon atoms, a and b independently of one another are integers from 1 to 4, c is an integer from 0 to 4, d is an integer from 1 to 4, n is 2, 3 or 4, and m is 1, 2, 3 or 4, with the proviso that R1 and R4 may be different within a molecule within the given definitions. These compounds are characterized by a very good complexation power for metal cations and can be used in detergents and cleaning agents, in oil extraction and for water softening.

Abstract: The present invention provides granules containing one or more bleaching catalysts selected from the group of manganese salts or manganese complexes and at least one binder selected from the group of acid organic compounds coated with 0.1 to 3% by weight, referring to the total amount of the granules, with a polyvinyl alcohol-containing coating, wherein the coating comprises at least 80% of polyvinyl alcohol or mixtures thereof, in relation to the total weight of the coating.

Abstract: Disclosed is a continuous process for concentrating or separating of vitamin E, sterols and/or terpenes from oily or fatty mixtures of biological origin comprising the measures: a) providing a reaction mixture containing oily or fatty mixture of biological origin, at least a monohydric alcohol and at least an acidic catalyst, b) continuously conducting the reaction mixture through a reactor which has a heating zone in which the reaction mixture is heated to a temperature between 100° C. and 190° C.

Abstract: Disclosed is a continuous process for concentrating or separating of vitamin E, sterols and/or terpenes from oily or fatty mixtures of biological origin comprising the measures: a) providing a reaction mixture containing oily or fatty mixture of biological origin, at least a monohydric alcohol and at least an acidic catalyst, b) continuously conducting the reaction mixture through a reactor which has a heating zone in which the reaction mixture is heated to a temperature between 100° C. and 190° C.

Abstract: Disclosed are granulates comprising a) one or more sulfonimines and/or one or more quaternary iminium salts, and b) one or more acids which are solid at 25° C. These granulates contain highly-active bleach catalysts and are very storage stable. The granulates show no tendency towards staining during storage and experience no appreciable loss of active substance during storage. The granulates of the invention can preferably be used in dishwasher agents or in washing agents and cleaning agents for low temperatures.

Abstract: The invention relates to the use of polyesters for increasing the surface tension and improving the hydrophilic behavior of hydrophobic surfaces, wherein said polyesters are obtainable by polymerization of a) one or more unsulfonated aromatic dicarboxylic acids and/or salts thereof and/or anhydrides thereof and/or esters thereof, and b) ethylene glycol, c) 1,2-propylene glycol, and d) one or more polyalkylene glycols, and e) one or more compounds of formula (1) R1O(CHR2CHR3O)nH??(1) where R1 is a linear or branched, saturated or unsaturated alkyl group of 1 to 22 carbon atoms, preferably methyl, R2 and R3 are each independently hydrogen or an alkyl group of 1 to 4 carbon atoms, preferably hydrogen and/or methyl, and n is from 1 to 50, f) in the presence or absence of one or more crosslinking compounds having 3 to 6 functions capable of polycondensation, especially acid, alcohol or ester functions, with the proviso that said components d) are used in weight quantities <80%, based on the weight quantit

Abstract: Disclosed are polyesters comprising structural units of formula Ia and end groups of formulae II and III or end groups of formulae II and IV or end groups of formulae II, III and IV or comprising structural units of formulae Ia and Ib and end groups of formulae II and III or end groups of formulae II and IV or end groups of formulae II, III and IV wherein R is C1-C4-alkyl, M is hydrogen or a mono- or divalent cation, i is 1 or 2, x is 0.5 or 1 and the product i·x is equal to 1, and z is an integer from 3 to 35. The polyesters of the invention show a significantly improved dirt removal ability and can be used as soil-release polymers in washing and cleaning agents and in textile care products.

Abstract: Disclosed are fine-particulate powders containing particles with at least 80% by weight of a manganese complex with nitrogen-containing ligands, wherein one or more of the ligands are macrocyclic ligands, wherein at least 70% by weight of the particles have particle sizes in the range from 1 ?m to 50 ?m, at most 15% by weight of the particles have particle sizes >50 ?m and at most 15% by weight of the particles have particle sizes <1 ?m, wherein the percentages refer to the total amount of the particles. These powders can be used as bleaching catalysts in washing and cleaning agents and display an improved activity and at the same time these are toxicologically non-hazardous during manufacturing and use.

Abstract: The invention relates to an apparatus for continuously carrying out heterogeneously catalyzed chemical reactions, comprising a microwave-transparent tube, the longitudinal axis of which extends in the direction of propagation of the microwaves of a single-mode microwave applicator and which is filled with an open-cell foam that carries or is made of catalytically active species.

Abstract: The invention relates to a method for reacting polymers (A) comprising hydroxyl groups and which have repetitive structural units of general formula (I), wherein D represents a direct bond between the polymer backbone and a hydroxyl group, a C1- to C6-alkene group, a C5- to C12-arylene group, an oxyalkylene group of formula —O—R2—, an ester group of formula —C(O)—O—R2— or an amide group of formula —C(O)—N(R8)R2—, R2 represents a C2- to C10-alkene group, R8 represents hydrogen or an optionally substituted C2- to C10-alkyl group and n represents a number between 3 and 5000, with carboxylic acids B1) of formula (II) or carboxylic acid esters B2) of formula (III) R1—COOH (II) R1—COOR7 (III), wherein R1 represents a hydrocarbon group having 2 to 50 C atoms, and R7 represents a C1C4-alkyl group, in which the polymers (A); comprising the hydroxyl groups are exposed to microwaves in the presence of carboxylic acids of formula (II) or carboxylic acid esters of formula (III) and in the presence of water.

Abstract: The invention relates to polymers carrying ester/hydroxyl groups, containing repetitive structural units of formulae (I) and (II) in a block-wise, alternating or statistical sequence, wherein D represents a direct bond between the polymer backbone and the hydroxyl group, a C1- to C6-alkene group, a C5- to C12-arylene group, an oxyalkene group of formula —O—R2—, an ester group of formula —C(O)—O—R2— or an amide group of formula —C(O)—N(R3)R2—, E represents a hydrocarbon group having 1 to 50 C-atoms, R2 represents a C2- to C10-alkene group, R3 represents hydrogen or a C1- to C10-alkyl group, which can carry substituents, k represents a number between 1 and 1000, n represents a number from 0 to 4999, m represents a number from 1 to 5000, and n+m represents a number between 10 to 5000, under the proviso that a) the molar portion of the structural units (I); on the polymer is between 0 and 99.9 mol-%, and b) the molar portion of the structural units (II) on the polymer is between 0.

Abstract: The present invention relates to polyester that can be obtained by polymerization of a) terephtalacid dimethylester, and b) ethylene glycol, and c) 1,2-propylene glycol, and d) one or a plurality of polyethylene glycols having weight average molecular weights in the range of 1,000 to 2,000 g/mol, and e) one methyl polyethylene glycol having a weight average molecular weight in the range of 1,050 to 1,350 g/mol, f) either when a plurality of compounds having a reticulating effect and 3 to 6 functions that are enabled for polycondensation are present or absent. The polyester according to the invention can be used in an advantageous manner, e.g. to modify hydrophobic surfaces, which can be used, e.g., in paper recycling.