摘要:
The invention herein disclosed provides for compositions, methods for synthesizing said compositions, and methods for using said compositions, wherein the compositions and methods may be used to bind to and/or deactivate a poison oak oil, such as urushiol. The compositions and methods can be used to treat and/or reduce an inflammatory reaction and/or hypersensitivity to natural compounds found in poison oak, poison ivy, poison sumac, mango, lac tree, cashew nut, and Asian lacquer.
摘要:
A solution of a polyketone as a copolymer of carbon monoxide and one or more olefins, wherein 90 wt % or more of said copolymer comprises carbon monoxide units and olefin units, and a solvent is an aqueous solution of at least one member selected from the group consisting of zinc salts, calcium salts, thiocyanates and iron salts.
摘要:
The present invention relates to a process for preparing polyketone with improved catalytic activity and intrinsic viscosity, and specifically a process for preparing polyketone, using a mixed solvent of 40 to 60 mol % acetic acid and 40 to 60 mol % water, as a liquid medium, and the precursor of palladium chloride-1,3-bis[di(methoxyphenyl)phosphino]propane, as a catalyst component.
摘要:
There is provided a polyketone comprising repeating units, 95-100 mole % of which are 1-oxotrimethylene and having an intrinsic viscosity of 2.5-20 dl/g, wherein the content of Pd element is 0-20 ppm, terminal structures include an alkyl ester group (terminal group A) and an alkyl ketone group (terminal group B), and the equivalent ratio of terminal group A/terminal group B is 0.1-8.0. The polyketone of the present invention can be used in any forms, such as fibers and films, and can be applied to a wide variety of the uses such as clothing, reinforcing materials for rubbers, resins, cements, and optical fibers, electronic materials, battery materials, civil engineering materials, medical materials, daily commodities, fishery materials, and packaging materials.
摘要:
Disclosed are monomers of the formula: ##STR1## WHEREIN R is ##STR2## R' is hydrogen or methyl; R" is alkyl of 1-10 carbon atoms;X and Y are independently selected from the group consisting of NO.sub.2, halogen, cyano and --CF.sub.3 ;Z is oxygen or dicyanomethylene; a and a' can range from 0-3; and n is 1-10.These monomers can be readily polymerized to polymers suitable for use in electrophotographic imaging members and methods.
摘要:
A method for producing a conjugated aromatic compound comprising reacting an aromatic compound (A) represented by the formula (1) wherein n represents 0 or 1, m represents (3-n), R1 represents a C1-C20 alkyl group etc., R2 is independently in each occurrence a hydrogen atom etc., X1 and X3 independently each represent a chlorine atom etc., with an aromatic compound (A) having the same structure as that of the above-mentioned aromatic compound (A) or an aromatic compound (B) wherein the aromatic compound (B) is structurally different from the above-mentioned aromatic compound (A) and one or two leaving groups selected from the group consisting of an iodine atom, a bromine atom and a chlorine atom are bonded to an aromatic ring, in the presence of a nickel compound, a metal reducing agent, and a 2,2′-bipyridine compound having at least one electron-releasing group and having no substituent at 3-, 6-, 3′- and 6′-positions.
摘要:
A solution of a polyketone as a copolymer of carbon monoxide and one or more olefins, wherein 90 wt % or more of said copolymer comprises carbon monoxide units and olefin units, and a solvent is an aqueous solution of at least one member selected from the group consisting of zinc salts, calcium salts, thiocyanates and iron salts.
摘要:
Novel ketone monomers containing both alpha-beta unsaturated acylate and unsaturated fatty acylate substituents on more carbon atoms beta to the carbonyl group (Formula 1) have been found to be surprisingly useful in a variety of essentially pollution free coatings applications.a,b,cCC(0)Cd,e,f Formula IWherein not less than one, but no more than three of a,b,d and e are each independently chosen from among monovalent ligands having the structure --CH.sub.2,O.sub.2 CCR.dbd.CR'R" (wherein each of R,R', and R" is independently chosen from among hydrogen, methyl or ethyl ligands); and wherein at least one, but not more than three of a,b,d and e are each independently chosen from among monovalent ligands having the structure: --CH.sub.2 O.sub.2 CC.sub.n H.sub.2 (n-x)+1 (wherein n is an integer from one to thirty; x is an integer from 0 to 4, but less than [n/2-1]); and wherein both the nonacylate members of the group a,b,d, and e, as well as c and f, are each independently chosen from among hydrogen, or monovalent one to 12 carbon hydrocarbyl ligands. Optionally two or more of said hydrocarbyl ligands may be conjoined to form ring structures.
摘要翻译:已发现含有α-β-不饱和酰化物和不饱和脂肪酰化物取代基的更多碳原子β(羰基)(式1)的新型酮单体在各种基本无污染的涂料应用中令人惊奇地有用。 a,b,cCC(0)Cd,e,f其中不少于a,但不超过三个a,b,d和e各自独立地选自具有结构-CH 2,O 2 CCR = CR的一价配体 “R”(其中R,R'和R“中的每一个独立地选自氢,甲基或乙基配体); 并且其中a,b,d和e中的至少一个,但不超过三个各自独立地选自具有以下结构的一价配体:-CH 2 O 2 CnH 2(nx)+1(其中n为1至30的整数; x 是0〜4的整数,但小于[n / 2-1]); 并且其中组a,b,d和e以及c和f的非芳族化合物两者各自独立地选自氢或一价1至12个碳烃基配体。 任选地,两个或更多个所述烃基配体可以结合形成环结构。