摘要:
The present invention includes substantially single-phase lithium metal oxide compounds having hexagonal layered crystal structures that are substantially free of localized cubic spinel-like structural phases. The lithium metal oxides of the invention have the formula Li&agr;M&bgr;A&ggr;O2, wherein M is one or more transition metals, A is one or more dopants having an average oxidation state N such that +2.5≦N≦+3.5, 0.90≦&agr;≦1.10, and &bgr;+&ggr;=1. The present invention also includes dilithiated forms of these compounds, lithium and lithium-ion secondary batteries using these compounds as positive electrode materials, and methods of preparing these compounds.
摘要:
A process for the preparation of hydrocarbon solutions of monofunctional amine initiators of the following general structures: ##STR1## wherein M is defined as an alkali metal, selected from the group consisting of lithium, sodium and potassium, Q is a saturated or unsaturated hydrocarbyl group derived by incorporation of a compound selected from the group consisting of conjugated diene hydrocarbons and alkenyl substituted aromatic hydrocarbons; Z is a hydrocarbon tether group which contains 3-25 carbon atoms; A is an element selected from Group IVa of the periodic table and R.sup.1, R.sup.2, and R.sup.3 are independently selected from hydrogen, alkyl, substituted alkyl, cycloalkyl, aryl or substituted aryl groups, m is an integer from 0 to 7, and n is an integer from 1 to 5, monofunctional amine initiators produced by the process, use of the initiators in a polymerization process and polymers produced by the polymerization process.
摘要:
A process for the preparation of hydrocarbon solutions of monofunctional ether initiators of the following general structure:M--Z--O--C(R.sup.1 R.sup.2 R.sup.3)wherein M is an alkali metal; Z is a branched or straight chain hydrocarbon group which contains 3-25 carbon atoms, optionally containing aryl or substituted aryl groups; and R.sup.1, R.sup.2, and R.sup.3 are independently selected from hydrogen, alkyl, substituted alkyl, aryl or substituted aryl groups, and their employment as initiators in the anionic polymerization of olefin containing monomers in an inert, hydrocarbon solvent comprising reacting an omega-protected-1-haloalkyl with lithium metal dispersion having a particle size between 10 and 300 millimicrons in size, at a temperature between 35.degree. and 130.degree. C. in an alkane solvent containing 5 to 10 carbon atoms.
摘要翻译:一种制备以下一般结构的单官能醚引发剂的烃溶液的方法:M-Z-O-C(R 1 R 2 R 3)其中M为碱金属; Z是含有3-25个碳原子的支链或直链烃基,任选含有芳基或取代的芳基; 并且R 1,R 2和R 3独立地选自氢,烷基,取代的烷基,芳基或取代的芳基,并且它们用作惰性烃溶剂中含烯烃单体的阴离子聚合中的引发剂,包括使ω-保护的 - 在具有5至10个碳原子的烷烃溶剂中,在35至130℃之间的温度下,具有尺寸在10-300毫微米之间的锂金属分散体的1-卤代烷基。
摘要:
A process for the preparation of hydrocarbon solutions of monofunctional ether initiators of the following general structure:M--Z--O--C(R.sup.1 R.sup.2 R.sup.3)wherein M is an alkali metal; Z is a branched or straight chain hydrocarbon group which contains 3-25 carbon atoms, optionally containing aryl or substituted aryl groups; and R.sup.1, R.sup.2, and R.sup.3 are independently selected from hydrogen, alkyl, substituted alkyl, aryl or substituted aryl groups, and their employment as initiators in the anionic polymerization of olefin containing monomers in an inert, hydrocarbon solvent comprising reacting an omega-protected-1-haloalkyl with lithium metal dispersion having a particle size between 10 and 300 millimicrons in size, at a temperature between 35.degree. and 130.degree. C. in an alkane solvent containing 5 to 10 carbon atoms.
摘要翻译:一种制备以下一般结构的单官能醚引发剂的烃溶液的方法:M-Z-O-C(R 1 R 2 R 3)其中M为碱金属; Z是含有3-25个碳原子的支链或直链烃基,任选含有芳基或取代的芳基; 并且R 1,R 2和R 3独立地选自氢,烷基,取代的烷基,芳基或取代的芳基,并且它们用作惰性烃溶剂中含烯烃单体的阴离子聚合中的引发剂,包括使ω-保护的 - 在具有5至10个碳原子的烷烃溶剂中,在35至130℃之间的温度下,具有尺寸在10-300毫微米之间的锂金属分散体的1-卤代烷基。
摘要:
A process for the preparation of hydrocarbon solutions of monofunctional amine initiators of the following general structures: ##STR1## wherein M is defined as an alkali metal, selected from the group consisting of lithium, sodium and potassium, Q is a saturated or unsaturated hydrocarbyl group derived by incorporation of a compound selected from the group consisting of conjugated diene hydrocarbons and alkenyl substituted aromatic hydrocarbons; Z is a hydrocarbon tether group which contains 3-25 carbon atoms; A is an element selected from Group IVa of the periodic table and R.sup.1, R.sup.2, and R.sup.3 are independently selected from hydrogen, alkyl, substituted alkyl, cycloalkyl, aryl or substituted aryl groups, m is an integer from 0 to 7, and n is an integer from 1 to 5, monofunctional amine initiators produced by the process, use of the initiators in a polymerization process and polymers produced by the polymerization process.
摘要:
1R,cis-trifluoromethylethenylcyclopropanecarbonyl compounds of the formula ##STR1## in which X is halogen and R is halogen, hydroxy, lower alkoxy or an optionally substituted 1,1'-biphenyl-3-methyloxy group, their method of preparation and utility as insecticides and intermediates therefore are described and exemplified.
摘要:
Perhaloalkylvinylcyclopropanecarboxylates having the general formula ##STR1## are disclosed wherein one of Y and Z is a perhaloalkyl group and the other is hydrogen, halogen, or lower alkyl. Compounds in which R is hydroxy, halogen or lower alkoxy are intermediates for preparation of insecticidal esters in which R is an optionally substituted benzylfurylmethoxy group. The insecticidal efficacy and preparation of the compounds and intermediates therefor are described and exemplified.
摘要:
The present invention includes substantially single-phase lithium metal oxide compounds having hexagonal layered crystal structures that are substantially free of localized cubic spinel-like structural phases. The lithium metal oxides of the invention have the formula LiαMβAγO2, wherein M is one or more transition metals, A is one or more dopants having an average oxidation state N such that +2.5≦N≦+3.5, 0.90≦α≦1.10, and β+γ=1. The present invention also includes dilithiated forms of these compounds, lithium and lithium-ion secondary batteries using these compounds as positive electrode materials, and methods of preparing these compounds.
摘要:
This application concerns a process for alkylating, in a hydrocarbon solvent reaction medium, metalloidal substrates such as alkylating a chlorosilane with an alkyllithium containing 3 to 8 carbon atoms by conducting these reactions in the presence of a catalyst selected from primary and secondary alcohols, and their respective metal alkoxides, cyclic ethers, hydrocarbyl ethers, hydrocarbyl silyl ethers, and tertiary amines.
摘要:
The 1,4-diaryl-1-cyclopropyl-4-substituted butane pesticides of the following formula are effective as insecticides and acaricides: ##STR1## in which X and Y are independently hydrogen, halogen, alkyl, alkoxy, cycloalkylalkoxy, alkylcarbonyl, alkoxycarbonyl, haloalkyl, haloalkoxy, alkylthio, haloalkylthio, alkylsulfinyl, alkylsulfonyl, trialkylamino, nitro, or cyano; or X and Y together are --OCH.sub.2 O-- or --OCF.sub.2 O-- bridging the 2-3 or 3-4 positions of the phenyl ring; Ar is 3-phenoxyphenyl, 4-fluoro-3-phenoxyphenyl, 6-phenoxypyridin-2-yl, or 2-methyl(1,1'-biphenyl)-3-yl;R is cyano, methyl, trifluoromethyl, alkenyl, alkynyl, or halogen.