Abstract:
Fatty esters of oligoesters of a dicarboxylic acid and a polyol retaining at least one free hydroxyl group, particularly of the formula (I): R 1 -[OR 2 O-C (O)-R 3 -(O)C-] m -R 4 (I), where R 1 is H, a monocarboxylic acid group, or R 6 O-[C(O)-R 3 -(O)C]-; R 2 s are residues of polyols having at least one substituent free hydroxyl; R 3 s are hydrocarbylene; R 4 is -OH, -OM where M is a salt forming metal, amine or ammonium, -OR 6 , or -OR 2 O-R 7 ; R 5 is C 7 to C 21 hydrocarbyl; R 6 is C 8 to C 22 hydrocarbyl; R 7 is H, or -C(O)R 5 ; and m is 1 to 20; provided that at least one of R 1 and R 4 is or includes a C 8 to C 22 group, are surfactants. A range of surfactant properties can be obtained by varying the molecules within these ranges. Especially where R 2 is derived from a higher polyol e.g. sorbitol, R 3 is C 2 to C 6 , and the fatty terminal group is C 8 to C 14 , the products can be highly water soluble and effective oil in water emulsifiers.
Abstract translation:保留至少一个游离羟基的二元羧酸和多元醇的低聚酯的脂肪酯,特别是式(I):R 1 - [OR 2 OC(O )-R 3 - (O)C - ] m -R 4(I)其中R 1〜 是H,一元羧酸基或R 6 O-(C(O)-R 3 - (O)C] - ; R 2是具有至少一个取代基游离羟基的多元醇的残基; R 3是亚烃基; R 4是-OH,-OM,其中M是形成盐的金属,胺或铵,-OR 6或-OR 2或 7 SUP>; R 5是C 11 -C 21烃基的C 7〜C 7。 R 6是C 12 -C 22烃基; R 7是H或-C(O)R 5; m为1〜20; 条件是R 1和R 4中的至少一个是或包含C 13〜C 22的基团, 是表面活性剂。 可以通过改变这些范围内的分子来获得一系列表面活性剂性质。 特别是其中R 2来自较高级多元醇,例如 山梨糖醇,R 3是C 2 -C 6烷基,脂肪末端基团是C 8〜C 8, SUB> 14 SUB>,产品可以是高度水溶性和有效的水包油乳化剂。
Abstract:
The invention relates to ester polyols which are derived from glycerine, C2-20-alkylene glycol, poly(C2-20-alkylene)glycol, ethylene glycol, polyethylene glycol, preferably in which up to 30 % of the ethyleneoxy units can be replaced by propyleneoxy units, polyglycerines, sorbitol and pentaerythritol, as polyol constituents, and aliphatic C3-6-carboxylic acids, as acid constituents, which, in addition to a carboxyl group, comprise at least one other functional group selected from hydroxyl and carboxyl groups; or mixtures of the ester polyols with aminofunctional polyols having a melting point lower than 100 DEG C; or ester polyols of general formula (I) R -O-[EO-]n[PO-]mR (I) wherein R represents C1-4-alkyl, R represents hydrogen or C1-4-alkyl, n represents on average between 1 and 100, m represents on average between 0 and n/2, and EO and PO represent base units which are derived from ethylene oxide and propylene oxide and can be in any sequence when both base units are present. According to the invention, said ester polyols can be used as solvents, solubilisers, or dispersants for organic compounds which are insufficiently soluble or insoluble in lipophile and hydrophile media, for pharmaceutical, cosmetic, washing agent, food, or agrarian active ingredients, and as dispersants or continuous phases for (micro)pigment dispersions.
Abstract:
Compositions for forming an improved vapor mitigation barrier are contemplated, such compositions being formed as an aqueous mixture of an asphalt component and a latex component, with the latex component including a chemically resistant latex, the chemically resistant latex being a an acrylonitrile butadiene copolymer, an elastomeric fluoropolymer, or both. Such compositions, when cured and formed into a vapor mitigation barrier, may be seen to substantially mitigate diffusion of chlorinated hydrocarbons across the barriers. Also contemplated are methods for forming such vapor mitigation barriers, as well as vapor mitigation barrier products formed via the application of such compositions to various substrates.
Abstract:
The present invention relates to a composition in the form of an O/W emulsion, comprising: (a) at least one hydrocarbon-based block copolymer comprising at least one styrene block and at least one block comprising units chosen from butadiene, ethylene, propylene, butylene and isoprene or a mixture thereof, which are optionally hydrogenated; (b) at least one film-forming linear ethylenic polymer devoid of styrene; (c) at least one oil; and (d) water. The composition according to the present invention can maintain the form of an O/W emulsion for a long period of time, and can exhibit good cosmetic properties such as soft feeling to the touch, uniform adhesion to the skin and long lasting cosmetic effects.
Abstract:
A low viscosity and transparent polyamide and a method for making the same. The transparent polyamides comprise the reaction products of a fully hydrogenated dimer-acid; a second linear, saturated dicarboxylic acid; an alkylene diamine; a dipiperidine; optionally a second diamine different from the alkylene diamine; and optionally additives. The polyamides have low molten viscosity and high light transmittance.
Abstract:
A latex product composition that includes an anionicaily-stabilized latex; at least one volatile base compound; and one or more water soluble, polymers or polymeric adducts that have a backbone with a plurality of amine functional groups and hydroxyl functional groups. The polymers or polymeric adducts may be an addition product formed from at least one multifunctional amine compound reacted with one or more polyfunctional epoxy compounds, one or more monofunctional epoxy compounds, or a combination thereof. The polymers or polymeric adducts are formed by the addition reaction of the amine compound and the one or more epoxy compounds with 1.3 to 3.8 amine functional group per epoxy functional group. The addition product may be present in about 0.1 to 15.0 wt. % and the at least one volatile base compound is present in about 1.0 wt. % to 10.0 wt. % based on the weight of the particles present in the anionicaily-stabilized latex.
Abstract:
The present disclosure relates to a polymerization process wherein the emulsifier is introduced in an initial batch as well as during a continuous feed to provide improved mechanical stability of the generated latex. Improved soap coverage can also be achieved during the polymerization process.
Abstract:
Die vorliegende Erfindung betrifft funktionalisierte Copolymerisate in Form deren wäßriger Dispersionen oder in Wasser redispergierbaren Pulver, Verfahren zu deren Herstellung sowie deren Verwendung als Bindemittel für Anstrichmittel, insbesondere für hochgefüllte Innenfarben mit einer Pigmentvolumenkonzentration (PVK) >60, und ganz besonders bevorzugt für wasserglashaltige oder silikatreiche Anstrichmittel zur Verbesserung der Nassscheuerbeständigkeit.
Abstract:
The present invention relates to a method for making a direct emulsion of a copolymer in water, characterized in that it comprises the polymerization of at least, expressed as a percentage by weight of each of the monomers based upon the total weight of the monomers: a) 10 to 80% by weight of methacrylic acid and, optionally, of acrylic acid; b)15 to 80% by weight of at least one non-ionic vinyl monomer; c) 0.05 to 9.5% by weight of 2-acrylamido-2-methylpropane sulfonic acid or a salt thereof; d) 0.5 to 30% by weight of at least one monomer containing at least one hydrophobic group; and e) 0.01 to 5% by weight of at least one crosslinking monomer; said polymerization being carried out in the presence of at least one surfactant. It also relates to the corresponding new copolymer emulsion in water, a method for thickening an aqueous composition comprising such an emulsion of copolymer and to an aqueous composition comprising such a copolymer emulsion.
Abstract:
In an embodiment, a natural rubber-based ABS - target polymer blend includes natural rubber-based ABS powder combined with a set of target polymers (e.g., polycarbonate (PC)). A natural rubber-based ABS powder production process includes producing grafted natural rubber; and mixing the grafted natural rubber with a set of grafted polybutadiene rubbers. The set of grafted polybutadiene rubbers includes at least one grafted polybutadiene rubber having a particle size that is significantly different than the grafted natural rubber particle size. In an embodiment, the grafted natural rubber exhibits a large particle size; a first grafted polybutadiene rubber exhibits a small particle size; and a second grafted polybutadiene rubber exhibits a medium particle size between the large and small particle sizes. Natural rubber-based ABS - target polymer blends in accordance with the present disclosure can exhibit generally equivalent or increased impact and/or tensile strength compared to other non-natural or synthetic rubber-based ABS blends.