摘要:
Short-chain polyethlene glycol ethers corresponding to the formula:R.sup.1 --O--(CH.sub.2 CH.sub.2 O).sub.n --R.sup.2wherein:R.sup.1 is a linear or branched C.sub.6 -C.sub.18 alkyl or alkenyl radical,R.sup.2 is a C.sub.4 -C.sub.8 alkyl radical, andN is an integer of from 2 to 6,are used as foam-inhibiting additives for low-foam cleaning compositions.
摘要:
The invention relates to the use of hydroxyalkyl polyethylene glycol ethers corresponding to the following general formula ##STR1## in which R.sup.1 is hydrogen or a linear C.sub.1 -C.sub.16 alkyl radical,R.sup.2 is a linear or branched C.sub.4 -C.sub.8 alkyl radical,R.sup.3 is hydrogen or a C.sub.1 -C.sub.16 alkyl radical andn is a number of 7 to 30with the proviso that the total number of carbon atoms in R.sup.1 and R.sup.3 is 6 to 16, and mixtures thereof in rinse aid compositions for dishwashing machines in addition to other additives typically used in rinse aids.
摘要:
Long-chain hydroxyalkyl ether amines corresponding to the general formulaR.sup.1 --CHOH--CH.sub.2 --(O--CH.sub.2 --CH.sub.2 --).sub.X NR.sup.2 R.sup.3are suitable as wetting agents for textile products of all kinds and are distinguished by particularly low-foaming behavior. In the formula, R.sup.1 is a linear C.sub.6 -C.sub.22 alkyl group, R.sup.2 and R.sup.3 independently of one another represent a linear or branched C.sub.1 -C.sub.6 alkyl radical, and x is a number of 3 to 20.
摘要:
Sulfated hydroxyalkyl polyethylene glycol and hydroxyalkyl polypropylene glycol ethers corresponding to general formula (II) ##STR1## in which R.sup.1 is hydrogen or a linear C.sub.1 -C.sub.16 alkyl radical,R.sup.2 is a linear or branched, saturated C.sub.1 -C.sub.22 alkyl radical,R.sub.3 is hydrogen or a linear C.sub.1 -C.sub.16 alkyl radical,R.sup.4 is hydrogen or a methyl group,M represents hydrogen, ammonium, alkylammonium, alkanolammonium, in which the alkyl and alkanol radicals each contain from 1 to 4 carbon atoms, or a monovalent metal atom, andn is a number of 1 to 30,with the proviso that the total number of carbon atoms in R.sup.1 and R.sub.3 is between 6 and 16,and mixtures of such compounds; a process for the preparation of the compounds of formula (II) from the corresponding hydroxyalkyl polyethylene glycol and hydroxyalkyl polypropylene glycol ethers by reaction with gaseous sulfur trioxide or chlorosulfonic acid at an elevated temperature; and the use of the sulfated compounds or mixture thereof as wetting agents and raw materials for detergents and cleaning preparations, especially cosmetic compositions.
摘要:
Hydroxyalkyl polyethylene glycol and hydroxyalkyl polypropylene glycol ethers of the formula ##STR1## in which R.sup.1 is a linear C.sub.6 -C.sub.16 alkyl radical, R.sup.2 is a linear or branched, C.sub.1 -C.sub.22 alkyl or alkenyl radical, R.sup.3 is hydrogen or a methyl group, and n is a number of from 0 to 30, and to mixtures of several such compounds. Also, a process for the preparation of these hydroxy ethers, wherein epoxides are reacted with alcohol alkoxylates at an elevated temperature in the presence of a catalyst and in an inert gas atmosphere. The compounds or their mixtures are used as foam inhibiting additives in low-foam cleaning preparations.
摘要:
Alkylaminopolyethylene glycol ethers corresponding to the following formula ##STR1## in which R represents a C.sub.6 -C.sub.20 alkyl or alkenyl radical, R.sup.1 and R.sup.2 are the same or different and represent a C.sub.1 -C.sub.8 alkyl radical and the indices m and n are the same or different and represent a number of from 3 to 20, with the proviso that the sum of m and n is from 5 to 25, are suitable as foam inhibitors for detergent preparations. The foam inhibitors are stable to strong alkalis and strong acids and may be used in concentrations of from 10 to 2500 ppm.
摘要:
Hydroxyalkyl polyethylene glycol ethers corresponding to the formula ##STR1## in which X is R.sup.3 --CHOH--CHR.sup.4 --(OCH.sub.2 CH.sub.2).sub.n --, R.sup.1 is a linear or branched C.sub.1-6 alkyl, R.sup.2 =R.sup.1 or X, R.sup.3 is a straight-chain C.sub.6-18 alkyl, R.sup.4 is hydrogen or a C.sub.1-8 alkyl, and and n is an average number of from 3 to 20, with the proviso that the sum of the carbon atoms in R.sup.3 and R.sup.4 is from 6 to 18, are suitable for depressing foam in detergent preparations.
摘要:
The sulfonation of epoxidized ricinoleic acid glycerides with a dry stream of gaseous sulfur trioxide diluted with a carrier gas, followed by a reaction of the sulfonated reaction product with nucleophiles, leads to salt-free and anhydrous products showing surface-active properties.
摘要:
Salts of sulfonic acids of the type formed in the sulfonation of alkenyl alkyl polyglycol ethers corresponding to the following formulaR--O(--C.sub.n H.sub.2n O).sub.x --R.sup.1with sulfur trioxide, followed by hydrolysis, are used as antistatic agents for plastics. R is a straight chain C.sub.10 -C.sub.22 alkenyl group, R.sup.1 is a C.sub.1 -C.sub.12 alkyl group, n is an integer of from 2 or 4, and x is an integer of from 0 to 35. The products show a particularly long-lasting effect as external antistatic agents on polyamide fibers.
摘要:
Aqueous solutions of surface-active hydroxysulfonates are obtained by reaction of unsaturated fatty alkenyl or fatty alkenyl polyalkoxyl esters, for example of oleyl acetate or oleyl polyethoxyl acetate, with sulfur trioxide, introduction of the reaction product into aqueous alkali metal, alkaline-earth or ammonium hydroxide and heating of the solutions until the ester and sultone groups present have been hydrolyzed.