摘要:
A flame-retardant electrolytic solution of an electrolyte salt in an organic solvent, wherein the organic solvent contains at least one phosphorus compound represented by formula (I) and a nonaqueous secondary battery containing the flame-retardant electrolytic solution. wherein R1 represents an alkyl group having 1 to 8 carbon atoms, a halogenated alkyl group, an aryl group, an alkylaryl group, an aralkyl group or —CH2—COOR3; R2 represents a methyl group, an ethyl group or a halogenated alkyl group having 1 to 8 carbon atoms; R3 represents an alkyl group having 1 to 8 carbon atoms or a halogenated alkyl group; and m and n each represents 1 or 2 and the sum of m and n is 3.
摘要:
A substituted acridine derivative represented by ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7 and R.sub.8 are independently hydrogen atoms, alkyl groups, substituted alkyl groups, aryl groups, substituted aryl groups, halogen atoms, or alkoxy groups, and Z.sub.1 is a six-membered heteroaromatic group which has one or two nitrogen atoms in its ring and may have an alkyl substituent having 1 to 8 carbon atoms, or a quinolyl group; and a photopolymerizable composition comprising 0.01 to 10 parts by weight of said derivative, 100 parts by weight of a photopolymerizable compound having a boiling point of 100.degree. C. or higher at atmospheric pressure and at least one kind of ethylenic unsaturated group, and 0 to 400 parts by weight of a thermoplastic organic polymer.
摘要:
Polyethers containing 2,2,6,6-tetramethyl piperidinyl carboxylic acid ester or ether groups are provided, comprising polymeric units having the structure ##STR1## wherein X is selected from the group consisting of: ##STR2## R.sub.1 is selected from the group consisting of hydrogen, --O, alkyl, hydroxy alkyl and epoxyalkyl having from one to about eighteen carbon atoms, acyl having from one to about eighteen carbon atoms, cycloalkyl having from three to about eighteen carbon atoms; phenyl; phenalkyl and alkylphenyl having from seven to about twenty-four carbon atoms;R.sub.2 is hydrogen or hydroxy;n.sub.1 is 0 or 1;R.sub.3 is lower alkyl having from one to about six carbon atoms; andn is the average number of such units in the polymer; as well as stabilized synthetic resin compositions comprising such polyethers.
摘要:
Synthetic resin compositions of improved resistance to deterioration by heat and light are provided containing a 2,2,6,6-tetramethyl piperidyl ether having the formula: ##STR1## The compounds of the invention can be prepared by the reaction of the 2,2,6,6-tetramethyl piperidyl alcohol R.sub.1 -OH with (poly) trimethylol alkane, (poly) pentaerthritol, or an alcohol containing an oxetane ring, to form the ether.The etherification is carried out by the conventional method, for example, by the reaction of R.sub.1 -OH with the organic sulfonate of the above-mentioned alcohols, or by the reaction of R.sub.1 -OH with the halogenated above-mentioned alcohols in the presence of an alkali or acid acceptor.The compounds where n is equal to 2 or more can be prepared by chain opening polymerization of the corresponding compound containing the oxetane ring.
摘要:
2,2,6,6-Tetraalkyl-4-piperidyl alcohol esters of tetradecylene polycarboxylic acids are provided, useful as light stabilizers for organic polymeric materials, and having the general formula: ##STR1## in which R is selected from the group consisting of ##STR2## wherein: R.sub.5 and R.sub.6 are each hydrogen or lower alkyl or hydroxyalkyl having from one to about six carbon atoms;R.sub.7 is lower alkyl having from one to about six carbon atoms;R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are selected from the group consisting of hydrogen and methyl;X.sub.1 and X.sub.3 are selected from the group consisting of hydrogen and COOR;X.sub.2 and X.sub.4 are selected from the group consisting of COOR and ##STR3## 30 wherein R.sub.8, R.sub.9 and R.sub.10 are selected from the group consisting of hydrogen, hydroxy, alkyl, and alkoxy having from one to about eighteen carbon atoms.
摘要:
Stabilizer compositions comprising a polymer stabilizer and a carbonate ester of cyclic dihydroxy compounds protect synthetic resins against the harmful effects of light having a wavelength less than 400 nanometers. The carbonate ester can be represented by the formula ##STR1## in which a is a number from 1 to 50, A is hydrogen or ##STR2## B is R' or --G--OH, R and R' are independently alkyl, alkoxyalkyl, cycloalkyl, aryl, aryloxyalkyl, aralkyl, or alkaryl groups, and G in at least one occurrence is a residue of a cycloaliphatic or non-aromatic oxygen heterocyclic dihydroxy compound having 3 to 20 carbon atoms and 1 or 2 rings of 3 to 12 members, of which up to 4 can be oxygen. Additional occurrences of G can be aliphatic glycol or bisphenol residues if desired. The polymer stabilizer included in the stabilizer compositions with carbonate esters of cyclic dihydroxy compounds can include metal carboxylate salts 1,2-epoxides, phenols, organic phosphites, esters of thiodipropionic acid, 2-hydroxybenzophenones, 2(2'-hydroxyaryl)benzotriazoles, nickel phenolates, and carboxylic acids of 2,2,6,6-tetraalkylpiperidine-4-alcohols.There are also provided stabilized synthetic resin compositions comprising a stabilizer composition including a carbonate ester of a cyclic dihydroxy compound as defined.
摘要:
2,2,6,6-TETRAMETHYL-4-PIPERIDYL CARBOXYLIC ACID ESTERS OF ALIPHATIC TETRACARBOXYLIC ACIDS ARE PROVIDED, USEFUL AS STABILIZERS FOR ORGANIC POLYMERIC MATERIALS, AND HAVING THE GENERAL FORMULA: ##STR1## wherein: R.sub.1 is selected from the group consisting of ##STR2## and when a is 2, 3, or 4, the R.sub.1 groups can be the same or different; R.sub.2 is selected from the group consisting of hydrogen; alkyl; alkenyl; cycloalkyl; alkcycloalkyl; cycloalkalkyl; aryl; aralkyl; and alkaryl; and when b is 2 or 3, the R.sub.2 groups can be the same or different;R.sub.3 is selected from the group consisting of hydrogen and O;R.sub.6 is lower alkyl;A is selected from the group consisting of 1, 2, 3 and 4;B is selected from the group consisting of 0, 1, 2 and 3;A + b is equal to 4; and Z is a tetravalent aliphatic or cycloaliphatic radical carrying four ##STR3## WHERE R is R.sub.1 or R.sub.2, and can include from one to three hydroxyl groups OH.
摘要:
2,2,6,6-Tetramethyl-4-piperidyl carbonic acid esters of dihydric alcohols and phenols are provided, useful as stabilizers for organic polymeric materials, and having the general formula: ##STR1## wherein: R.sub.1 and R.sub.2 are selected from the group consisting of ##STR2## the R.sub.1 and R.sub.2 groups can be the same or different; R.sub.3 is selected from the group consisting of hydrogen and O;R.sub.6 is lower alkyl;n is selected from the group consisting of 1, 2, 3, 4 and 5;--O --Z--O--is a bivalent aliphatic, cycloaliphatic, aromatic, or mixed aliphatic-aromatic, aliphatic-cycloaliphatic or cycloaliphatic-aromatic radical carrying two hydroxyl groups OH esterified with carbonic acid groups of the piperidyl carbonic acid ester.
摘要:
Stabilizers for organic polymeric materials are provided, comprising a triphosphite, an acid phosphite, and a 2,2,6,6-tetramethyl-4-piperidyl carboxylic acid ester having the general formula: ##STR1## wherein: R.sub.1 is selected from the group consisting of ##STR2## Y is selected from the group consisting of hydrogen and O; R.sub.6 is lower alkyl having from one to six carbon atoms;n is selected from the group consisting of 1, 2, 3 and 4; andZ is an organic radical having a valence from 1 to 4, the valence positions being taken by ##STR3## groups, and from one to about 20 carbon atoms, and selected from the group consisting of alkyl, alkenyl, alkylene, alkenylene, alkylidene; aryl, arylene, aralkyl, aralkylene, aralkylidene, alkaryl, alkarylene, alkarylidene; heterocycloalkyl, heterocycloalkylene, heterocycloalkylidene; cycloalkyl, cycloalkenyl, cycloalkylene, cycloalkenylene, cycloalkylidene, alkcycloalkyl, alkcycloalkenyl, alkcycloalkenylene, alkcycloalkylene, cycloalkalkylene, cycloalkalkyl, cycloalkalkenyl, and cycloalkalkenylene, and amino- and hydroxy-substituted such radicals.
摘要:
2,2,6,6-TETRAMETHYL-4-PIPERIDYL THIOCARBOXYLATES AND AMINOCARBOXYLATES ARE PROVIDED HAVING THE GENERAL FORMULA: ##STR1## wherein: M.sub.1, M.sub.3, AND M.sub.4 ARE NUMBERS FROM 0 TO 1;m.sub.2 is a number from 1 to 2;n.sub.1 is a number from 0 to 2;n.sub.2 is a number from 0 to 3;n.sub.3 is a number from 0 to 2;R.sub.1 is selected from the group consisting of alkyl, aralkyl, cycloalkyl and 2,2,6,6-tetramethyl-4-piperidyl;R.sub.2 is selected from the group consisting of alkyl, cycloalkyl, alkylaryl, aralkyl, and hydroxy-substituted such radicals;R.sub.1 and R.sub.2 have from one to about twenty carbon atoms;X is hydrogen or O;Y.sub.1 and Y.sub.2 are bivalent linking radicals having from one to about 20 carbon atoms, and selected from the group consisting of alkylene and cycloalkylene; and amino-substituted such radicals;Q is selected from the group consisting of SR.sub.2 and ##STR2## Z is an organic radical having a valence from 2 to 4 and from one to about twenty carbon atoms, and selected from the group consisting of alkylene, alkylidene, aralkylene, aralkylidene, alkarylene, alkarylidene, heterocycloalkylene, heterocycloalkylidene, cycloalkylene and cycloalkylidene; amino-substituted such radicals and 2,2,6,6-tetramethyl-4-piperidylidene;There being from one to four sulfur-containing or nitrogen-containing such groups and at least one ##STR3## ATTACHED TO THE Z radical. Synthetic resin compositions also are provided having their resistance to deterioration in the presence of ultraviolet light enhanced by at least one of these compounds.