C07C43/13

METHOD FOR PRODUCING FAT ALCOHOL ETHOXYLATES
20210246094 · 2021-08-12 ·

The invention relates to a process for preparing fatty alcohol ethoxylates. According to the invention, the fatty alcohol ethoxylates are not obtained by means of the reaction of the fatty alcohols with ethylene oxide, as known from the prior art, but rather by etherification with ethylene glycol, an oligo ethylene glycol or a polyethylene glycol in the presence of an acidic catalyst.

METHOD FOR PRODUCING FAT ALCOHOL ETHOXYLATES
20210246094 · 2021-08-12 ·

The invention relates to a process for preparing fatty alcohol ethoxylates. According to the invention, the fatty alcohol ethoxylates are not obtained by means of the reaction of the fatty alcohols with ethylene oxide, as known from the prior art, but rather by etherification with ethylene glycol, an oligo ethylene glycol or a polyethylene glycol in the presence of an acidic catalyst.

COMPOUND AND COATING COMPOSITION EMPLOYING THE SAME

A compound serving as coalescing agent and a coating composition employing the compound are provided. The compound has a structure represented by Formula (I)

##STR00001##

wherein n is 0, 1, 2, or 3; m is 0, 1, 2, or 3; R.sup.1 is

##STR00002##

R.sup.2 is

##STR00003##

R.sup.3, R.sup.4, R.sup.5, and R.sup.6 are independently C.sub.1-12 alkyl group; and, R.sup.1 is distinct from R.sup.2 when n is equal to m.

Surfactant Performance Through Carbon Chain Extension And Lower Branching
20210188749 · 2021-06-24 ·

Provided herein are novel extended branched alcohols having a lower branching number and improved biodegradability when compared to other branched alcohols. Also provided are novel extended branched ethoxylates having surfactant properties which can be more efficient in reducing surface tension when compared to the ethoxylated form of other branched alcohols. Further provided are novel syntheses of making extended branched alcohols and extended branched ethoxylates.

Electrolyte for Lithium Ion Batteries

The disclosure relates to an electrolyte for an energy store comprising a conducting salt and a solvent. The solvent comprises at least one compound according to the general formula (1), as indicated in the following: wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 are, identically or independently of each other, selected from the group comprising linear or branched C.sub.1-6-alkyl, C.sub.2-6-alkenyl C.sub.3-6-cycloalkyl and/or phenyl, each unsubstituted or mono- or polysubstituted by a substituent selected from the group comprising F, CN and/or C.sub.1-2-alkyl, mono- or polysubstituted with fluorine.

Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium

This fluorine-containing ether compound is represented by Formula (1).
R.sup.1—R.sup.2—CH.sub.2—R.sup.3—CH.sub.2—R.sup.4—R.sup.5  (1) (in Formula (1), R.sup.1 is an aryl group or an aralkyl group, R.sup.2 is a divalent linking group having 0 or 1 polar group, R.sup.3 is a perfluoropolyether chain, R.sup.4 is a divalent linking group having 2 or 3 polar groups, and R.sup.5 is an aryl group or an aralkyl group.)

Composition and method for reducing aldehyde content in polyurethane foams
10968349 · 2021-04-06 · ·

A composition comprises a polyol, a polyethylenimine compound, and a sulfite compound. A method for producing a polyurethane polymer comprises the steps of: (a) providing a polyol; (b) providing an additive composition comprising a polyethylenimine compound and a sulfite compound; (c) combining the polyol and the additive composition to produce a polyol composition; (d) providing an isocyanate compound; and (e) combining and reacting the polyol composition and the isocyanate composition to produce a polyurethane polymer.

METHOXYPROPANOLS SEPARATION COMBINING MEMBRANE SEPARATION AND DISTILLATION

A first aspect of the invention relates to a process for separating 1-methoxypropan-2-ol from an aqueous stream comprising 1-methoxypropan-2-ol and 2-methoxypropan-1-ol, wherein the process comprises providing a stream SO comprising 1-methoxypropan-2-ol, 2-methoxypropan-1-ol and water, and having a molar ratio of 1-methoxypropan-2-ol:2-methoxypropan-1-ol in the range of from 1:5 to 5:1; wherein the final stream S5 comprises 95 weight-% 1-methoxypropan-2-ol based on the total weight of S5. In a second aspect, the invention relates to 1-methoxypropan-2-ol or a mixture of 1-methoxypropan-2-ol and 2-methoxypropan-1-ol obtained or obtainable from the process of the first aspect.

METHOXYPROPANOLS SEPARATION COMBINING MEMBRANE SEPARATION AND DISTILLATION

A first aspect of the invention relates to a process for separating 1-methoxypropan-2-ol from an aqueous stream comprising 1-methoxypropan-2-ol and 2-methoxypropan-1-ol, wherein the process comprises providing a stream SO comprising 1-methoxypropan-2-ol, 2-methoxypropan-1-ol and water, and having a molar ratio of 1-methoxypropan-2-ol:2-methoxypropan-1-ol in the range of from 1:5 to 5:1; wherein the final stream S5 comprises 95 weight-% 1-methoxypropan-2-ol based on the total weight of S5. In a second aspect, the invention relates to 1-methoxypropan-2-ol or a mixture of 1-methoxypropan-2-ol and 2-methoxypropan-1-ol obtained or obtainable from the process of the first aspect.

METHOXYPROPANOLS SEPARATION COMBINING MEMBRANE SEPARATION AND DISTILLATION

A first aspect of the invention relates to a process for separating 1-methoxypropan-2-ol from an aqueous stream comprising 1-methoxypropan-2-ol and 2-methoxypropan-1-ol, wherein the process comprises providing a stream SO comprising 1-methoxypropan-2-ol, 2-methoxypropan-1-ol and water, and having a molar ratio of 1-methoxypropan-2-ol:2-methoxypropan-1-ol in the range of from 1:5 to 5:1; wherein the final stream S5 comprises 95 weight-% 1-methoxypropan-2-ol based on the total weight of S5. In a second aspect, the invention relates to 1-methoxypropan-2-ol or a mixture of 1-methoxypropan-2-ol and 2-methoxypropan-1-ol obtained or obtainable from the process of the first aspect.