A method of making an alkylester comprising the following steps: providing an oil source of the kind such as hereinbefore described, the oil source including free fatty acids and/or glycerides; providing a glycerol source; contacting the glycerol source and oil source to convert the free fatty ...
Process for preparing an epoxide, wherein halogenated ketones are formed as by-products and there is at least one treatment intended to remove at least part of the halogenated keton
9. The ester of claim 1, wherein m in both occurrences is zero, R2CO is the acyl radical of an unsaturated higher fatty acid having 18 carbon atoms, R is an ethylene radical, and -OCRICOis an adipic radical. 10. The method of manufacturing esters, described in claim 1, which consi...
The anserobic adhesive may comprise, as monomer, an ester of an acrylic acid, with a hydroperoxide or peroxide as a polymerisation catalyst, and the oxygen-free environment may be produced by displacing air with nitrogen or other inert gas or vapor. The method described is particularly suited ...
Laminated nonwoven fabric and method of manufacturing same A laminated nonwoven fabric having a good texture, providing no rough touch, and having a high strength and a large delamination strength are provided. A nonwoven fabric of a multi-layer structure comprises (a) a composite spun bonded ...
Acetal and hemiacetal ester linked propylene carbonate functional (meth)acrylic esters and method of making same 来自 百度文库 喜欢 0 阅读量: 9 申请(专利)号: US10277988 申请日期: 20021023 公开/公告号: US06627762B1 公开/公告日期: 20030930 申请(专利权)人: WOODS JOHN G. MORRILL SUSANNE D....
In this study, polymer lenses with refractive indices of n=1.56, 1.60, and 1.67 were fabricated by the injection-molding method with a polymer lens monomer, dibutyltin dichloride as the catalyst and an alkyl phosphoric ester as the ... Ki-Chul,Kim - 한국산학기술학회 논문...
A method of preparing a polyurethane comprises reacting (1) an organic polyisocyanate with (2) at least one polyol selected from a polyether polyol, a mixture of a major amount of a polyether polyol and a minor amount of a polyester polyol and a polyether-ester polyol having a major amount...
The aim of the work carried out was to develop an analytical method for characterising sorbitan ester surfactants, which could be used to monitor their man... Humphrey,L Julie 被引量: 0发表: 2007年 Improved Gas Chromatographic Determination of Sorbitan Fatty Acid Esters in Confectionery Products ...
A method for preparing electrically conductive polymers includes the steps of: providing a mixture comprising a monomer component of the following formula 1, water, a multivalent anion, and an oxidizing agent; and reacting the mixture at sufficient temperature for sufficient time for preparing ...