C08G65/2624

POLYETHERAMINES WITH LOW MELTING POINT
20180009942 · 2018-01-11 ·

Described herein are substituted polyetheramines with a low melting point which are obtainable by condensation of at least two N-(hydroxyalkyl)amines to obtain a polyetheramine and subsequent reaction of at least one remaining hydroxy group and/or, if present, at least one secondary amino group of said polyetheramine with ethylene oxide and at least one further alkylene oxide to obtain a substituted polyetheramine. Uses of such substituted polyetheramines in fields of cosmetic formulations, as crude oil emulsion brakers, in pigment dispersions of ink jets, in electro paintings, or in cementitious compositions as well as methods wherein said substituted polyetheramines are used in said fields are described herein.

Monoepoxide-monoamine adducts as wetting agents and dispersants

The invention relates to epoxide-amine adducts obtainable by reaction of one or more primary amines (A) of general formula (I)
Q-NH.sub.2  (I)
with one or more monoepoxides (B) of general formula (II) ##STR00001##
wherein Q is a radical R.sup.t-[OEt].sub.n[OPr].sub.m[OBu].sub.s-, in which R.sup.t is a radical selected from alkyl radicals having 1 to 6 carbon atoms, OEt is an ethylene oxide radical, OPr is a propylene oxide radical and OBu is a butylene oxide radical, n is a number from 0 to 100, m is a number from 3 to 50 and s is a number from 0 to 20 and n+m+s=3 to 170, R is an organic radical selected from aliphatic radicals having 4 to 24 carbon atoms, aromatic radicals having 6 to 18 carbon atoms and araliphatic radicals having 7 to 34 carbon atoms, and p is 0 or 1, wherein (i) the primary amine(s) (A) and the monoepoxide(s) (B) are reacted in an equivalents ratio (A):(B) of from 1:2 to 1:1.35; and (ii) at least 40 mol % of the radicals R are selected from aromatic radicals having 6 to 18 carbon atoms and araliphatic radicals having 7 to 24 carbon atoms; and optionally subsequent salification and/or quaternization and/or modification of the reaction product. The invention furthermore relates to wetting agents and dispersants comprising or consisting of the epoxide-amine adducts and also to the production of the wetting agents and dispersants and to the use of the epoxide-amine adducts and the wetting agents and dispersants for the production of dispersions. The invention also relates to dispersions and particle formulations comprising the epoxide-amine adducts and wetting agents and dispersants.

Glycidyl amine epoxy resins based on AMES negative amines

A glycidyl amine epoxy resin(s) and a process for production of glycidyl amine epoxy resin(s) are disclosed. The glycidyl amine epoxy resin(s) is/are free from Bisphenol A (BPA) and Bisphenol F (BPF) and are based on AMES negative amine precursors.

BIODEGRADABLE GRAFT POLYMERS

An alkoxylated polyamine can include the general formula (1)

##STR00001##

in which the variables E1 to E5, R and y are defined as disclosed in the description.

AMPHIPHILIC BLOCK COPOLYMER

The invention relates to block copolymer comprising i) A first block wherein at least 65 mol-% of the repeating units of the first block are repeating units of the formula (I)—[CH.sub.2—CH.sub.2—O]—, ii) A second block wherein at least 90 mol-% of the repeating units of the second block are repeating units of at least one of formulae (II) or (III), wherein the groups R.sup.1, R.sup.2, and R.sup.3 independent of each occurrence are selected from hydrocarbyl groups having 1 to 40 carbon atoms, which are optionally substituted by ether or hydroxyl groups, and wherein the groups R.sup.1 and R.sup.2 are optionally linked to each other such that a nitrogen heterocyclic structure is present, iii) A third block which is different from the first block and the second block and which is more hydrophobic than the first block.

##STR00001##

ALKOXYLATED POLYALKYLENE IMINES OR ALKOXYLATED POLYAMINES WITH IMPROVED BIODEGRADABILITY

Described herein is an alkoxylated polyalkylene imine or an alkoxylated polyamine according to the general formula (I)

##STR00001##

Also described herein is a process for preparing such alkoxylated polyalkylene imines or alkoxylated polyamines as well as a method of using such compounds within, for example, cleaning compositions and/or in fabric and home care products. Also described herein are compositions or products that include the alkoxylated polyalkylene imine or the alkoxylated polyamine.

Catalyst for synthesizing polyethylene oxide polymer and synthesis method thereof
11634541 · 2023-04-25 ·

Provided is a catalyst for synthesizing a polyethylene oxide polymer, comprising a crown ether as a first component, a quaternary phosphonium salt as a second component, and an alkali metal and/or an alkali metal compound as a third component. The catalyst can reduce the concentration of alkali metal ions in the product and is suitable for high-standard industrial fields. Also provided is a method for synthesizing a polyethylene oxide polymer, comprising carrying out a reaction of a compound containing active hydrogen and ethylene oxide in the presence of the catalyst. The method is simple to operate and environmentally friendly, improves the quality of the synthesized product, and is suitable for high-standard industrial production.

Alkoxylated alkyl amine polyesters as pour point depressants for fuels
11472919 · 2022-10-18 · ·

The present disclosure provides a pour point dispersant composition comprising an alkoxylated alkyl amine polyester. The pour point depressant composition may optionally be combined with a solvent and added to a hydrocarbon composition to improve the cold-flow properties of the hydrocarbon composition.

Synthesis process for one-step production of monomeric polyether for polycarboxylic acid water reducing agents

Provided is a synthesis process for the one-step production of a monomeric polyether for polycarboxylic acid water reducing agents, wherein the monomeric polyether is synthesized in one step by mixing an initator and a catalyst at a temperature and a pressure, and then introducing same into a reaction kettle together with an epoxide at a certain ratio for ring opening polymerization. The synthesis process of the present invention realizes continuous production without the need of first synthesizing a prepolymer and then synthesizing a macromolecular monomeric polyether step by step, thereby improving the production efficiency. By separating four links, i.e. displacement, polymerization, curing and neutralization, in conventional monomeric polyether production processes, the present invention more effectively controls each of the links and increases the utilization efficiency of the reaction kettle; in addition, the process is easy to control, the structure of the product is stable, and the retention of double-bonds is high.

Use of carbon dioxide soluble nonionic surfactants for enhanced crude oil recovery

The present disclosure includes a nonionic surfactant and a method of providing the nonionic surfactant, where the nonionic surfactant is soluble in carbon dioxide and is used as part of a dispersion for enhanced crude oil recovery. The nonionic surfactant can be part of an emulsion that includes carbon dioxide and a diluent.