The mixture was then heated to 588C and treated with Vazo-67 0. A polyhedron silsesquioxane ladder polymer containing polymerizable components was prepared in a three-step process to address this concern. The solution was poured into water and extracted four times with 150 ml of methyl t-butyl ether. The material described herein is not limited to polymer chemistry, however. Preparation 4,40 - 4,40 -Isopropylidene diphenoxy bis phthalimide 4,40 - 4,40 -Isopropylidene diphenoxy bis phthalic anhydride 0.
Also provided is a method for operating an engine employing the fuel composition therefor. Poly amide-urethane derivatives, I , were also prepared by reacting adipic acid with the step 2 product as illustrated in Eq. Methods for making the inventive composition and fuel compositions containing the additive are also disclosed. Azo-benzothiazole polyethers Title: Aqueous Inks Containing Colored Polymers Author: Assignee: Jeffery H. Patent Application 20080107695 May 8, 2008. Preparation of cyclic poly diethyleneglycol terephthalate A 22-liter resin kettle was charged with 9. A model reaction where both reagents and catalyst Novozyme 435 were reacted together was also performed.
Abstract: A method of impeding the evaporation of a solvent by at least partially dissolving a solvent soluble polymer in the solvent in sufficient amounts so as to impede the evaporation of the solvent is disclosed. Polyaniline Title: Chemical Synthesis of Chiral Conducting Polymers Author: Assignee: Hsing-Lin Wang et al. Although the octane number of any gasoline may be improved by the technique of this invention, it is preferred to treat charge gasolines of nominal octane number between 75-95. Schlenoff Florida State University Research Foundation, Inc. Patent Application 20060096699 May 11, 2006. The authors have determined that oxidation of nanotubes at ambient temperature using ozone avoids this problem. This application has addressed that requirement.
Phenol formed as a reaction by product was distilled and then recovered in a condenser. Tang 3 , which had high solvent solubility, moderate melting points, and excellent tractability. Patent Application 20080070193 March 20, 2008. Star polymers containing polyvinyl acetate and alcohols have previously been prepared. The mixture was then heated for 90 minutes at 908C and then treated with methacryloxypropyl-tris trimethylsiloxy silane 21 g and 2,5-bis 2-ethylhexanoylperoxy 2,5-dimethylhexane 0. Jeffaminesw are materials that contain polypropylene glycol, poly ethylene oxide-b-propylene oxide , or poly propylene oxide-ethylene oxide-bpropylene oxide , which contain an amine terminus. The process for preparing these agents consisted of initially forming the Diels —Adler adduct with furan and maleimide followed by a transimidation with 3-amino-1-propanol.
Thereafter the solution was stirred an additional hour and then placed into an eightfold excess of water. Patent Application 20070265418 November 15, 2007. Preparation of crosslinked copolymer The step 1 product and 2,20 :50 ,200 -terthiophene were reacted to form the copolymer using cyclic voltammetry and electro-copolymerization. Abstract: The invention provides a stabilized fuel additive composition comprising a major portion of the reaction product of a 4-alkyl-2-morpholinone and an alkylphenoxypolyoxyalkylene amine and a minor portion of a stabilizing agent sufficient to prevent the formation of haze in the additive composition comprising a compound selected from polypropyleneoxide diamines of formula H. Hyperbranched polyacetylenes were prepared by Tang et al.
The residue was washed with methanol, dried, and then reacted with N-bromosuccinimide in chloroform, and 10. Patent Application 20070258147 November 8, 2007. The mixture was then neutralized with 6M hydrochloric acid, extracted with ethyl acetate, and the organic layer washed with water. Patent Application 20070155871 July 5, 2007. While maintaining the temperature at 1058C, methanol was distilled off over 12 hours during which the pressure was gradually reduced to 25 mmHg. Patent Application 20080045615 February 21, 2008.
After a reaction time of 2. Preferably, R and R' are para- with respect to the nitrogen atom. Patent Application 20070197743 August 23, 2007. Hydroxy carboxylated nanotube aggregates are anticipated to be used as catalyst supports or rigid porous structures such as in electrochemical capacitors. The editors have built Polyacetylenes—Advances in Research and Application: 2013 Edition on the vast information databases of ScholarlyNews.
Researchers working in other areas will also find the information valuable as in many instances intermediates or the next generation pharmaceutical are readily convertible into other industrial products including: anti-oxidants, chemical additives, herbicides, polymer precursors, water purification agents. A urethane latex composition, I , was prepared by Kent et al. Poly 1,4-cyclohexylenedimethylene isophthalate was prepared by Martin et al. Patent 3,556,932 January 17, 1971. The preparation of oligo N-vinylpyrrolidinone-co-vinylferrocene crosslinked with polymethylmethacrylate is unreported in the patent literature. The mixture was cured by pultrusion and had improved weatherability characteristics.
Within the limitations of this study, the shear bond strengths of composite resins to alumina substrate are related to the composite resins. Patent Application 20050119431 June 2, 2005. The single-step method for preparing these agents entailed condensing the oligomeric glycerol with selected dicarboxylic acids in the presence of either enzyme catalyst Novozymw435 or acid catalyst Fascatw. Water-dispersible polyisocyanate compositions containing polyethylene oxide were previously prepared by the authors 2 and used as aqueous resin adhesives. Patent Application 20060182899 August 17, 2006 and U. It was stirred at 858C for 2 hours, recooled to ambient temperature, and treated with 5% aqueous sodium hydroxide 1.