Abstract: The invention relates to amine salts of phosphorous acid having a structure of the s-triazine, 1,2,4-triazole, benzimidazole, heptazine, pyrimidine, or piperazine type which may be combined with a polyhydroxylated compound as fireproofing agents for plastics, particularly polyamides and polyolefins, the process of fireproofing said plastics, and the resultant fireproofed plastics.

Abstract: Long chain N,N-dialkylhydroxylamines represent particularly valuable process stabilizers for polyolefin compositions. The hydroxylamine derived from di(hydrogenated tallow)amine is particularly useful for this purpose. These long chain N,N-dialkylhydroxylamines are very resistant to extraction from polyolefin compositions.

Abstract: The present invention comprises reaction products resulting from the reaction of hydrazido-substituted or certain amino-substituted polymer stabilizers and cyclic dianhydrides, as well as the use of such products. The polymer stabilizers of the invention are useful for protecting a large variety of synthetic polymeric organic materials from the degradative effects of heat, light and oxygen. Some of the modifiers are flame retardants and many are metal deactivators in addition to their primary activity.

Abstract: A pigment, which retains a crystal or particulate structure throughout a process of coloration of a substrate, containing one or more 2,2,6,6-tetraalkylpiperidine groups.

Abstract: Acetal esters and amides possessing the polyalkyl piperidin-4-yl moiety are useful light stabilizers with synthetic polymer resins such as polyolefins and, in particular, polypropylene.

Abstract: Novel high molecular weight polyalkoxyamine derivatives are prepared which contain a polyalkoxyamide, urea or urethane backbone with a piperidine terminal radical.The structures can be represented by the following three classes of compounds: ##STR1## where R.sub.1 is from dibasic acid, e.g. adipic or dimer acid; R.sub.2 is from diisocyanate, e.g. IPDI or TMXDI.

Abstract: A pigment, which retains a crystal or particulate structure throughout a process of coloration of a substrate, containing one or more 2,2,6,6-tetraalkylpiperidien groups.

Abstract: Compositions are described which are useful for stabilizing organic materials normally subject to deterioration caused by ultraviolet light. The compositions comprise mixtures comprising(A) at least one hindered amine light stabilizer,(B) at least one formation characterized by the Formulae I and II as defined more fully in the specification and claims, and(c) at least one hindered phenolic antioxidant compound.In addition to the above components, the compositions of the present invention also may contain at least one pigment normally used in the polymer materials. When organic materials normally subject to deterioration caused by ultraviolet light are modified to include an ultraviolet stabilizing effective amount of the compositions of the invention, the organic materials exhibit improved resistance to ultraviolet light degradation which generally is evidenced by improved color and gloss retention.

Abstract: Amic acids, cyclic imides and mixtures thereof which contain both diacyl hydrazide functionalities and hindered amine functionalities are prepared by reacting non-halogenated cyclic anhydrides with hindered amine light stabilizers containing reactive hydrazido funtionalities in inert solvents or in inert polymeric compositions in a melt blending step. The compositions protect polymeric compositions against the degradative effects of heat and light.

Abstract: Compounds which contain peroxide linkages and the radical of a hindered amine light stabilizer group are provided. These compounds function as polymerization initiators which cause the hindered amine stabilizer to be chemically bound to the polymer.

Abstract: Rigid polyvinyl chloride stabilized against the adverse effects of ultraviolet radiation by the addition thereto of effective amounts of 2,2,6,6-tetraalkylpiperidine compound and an organotin carboxylate thermal stabilizer, optionally with reduced amounts of titanium dioxide, organotin mercapto esters and/or organotin mercaptide thermal stabilizers.

Abstract: Photostabilized polymers, including polyurethanes and plastics coatings, contain as photostabilizer one or more compounds of the formula ##STR1## or a novel imidazole-2-carboxanilide of the formula ##STR2##

Abstract: 1,3,2-oxazaphospholidine derivatives of the formula ##STR1## are effective in stabilizing organic materials against oxidative, thermal and actinic degradation, said derivatives being particularly effective as color improvers and process stabilizers in organic materials containing phenolic antioxidants.

Abstract: A styrene polymer is stabilized by incorporating into said styrene polymer(A) a hindered piperidine compound represented by the formula ##STR1## wherein R.sub.1 is a hydrogen atom or an alkyl group having 1 to 3 carbon atoms,R.sub.2 is a hydrogen atom or an alkyl group having 1 to 12 carbon atoms, andR.sub.3 and R.sub.4 are each independently an alkyl group having 1 to 4 carbon atoms; and(B) a benzotriazole compound selected from the group consisting of 2-(2-hydroxy-5-methylphenyl)benzotriazole and 2-(2-hydroxy-3-tert-butyl-5-methylphenyl)-5-chlorobenzotriazole.

Abstract: Compositions of thermoplastic polymers comprising, in mixture, a thermoplastic polymer and a mixture of self-extinguishability-conferring additives, formed by:ammonium phosphate or ammonium polyphosphate: ##STR1## (wherein p is preferably equal to or greater than 50); phosphorus-containing compound definable by means of the general formula: ##STR2## (wherein R.sub.1, R.sub.2 and R.sub.3 have the meaning as indicated in the disclosure).

Abstract: Monomeric and oligomeric derivatives of the dialkyl esters of polyalkyl 1,5-dioxa-9-azaspiro-[5.5]undecane-3,3-diacetic acid are useful light stabilizers for synthetic polymer resins such as polyolefins, and in particular, polypropylene.

Abstract: Compounds of the formula I or II, ##STR1## wherein m is 1 or 2, A is branched or unbranched 1,2- or 1,3-alkylene, or o-phenylene, E is a group III or IIIa, R is hydrogen or methyl, R.sup.1 and R.sup.3 are hydrogen, alkyl, alkenyl, aralkyl, alkanoyl, alkenoyl, benzoyl or cyanomethyl, R.sup.2 is a radical of valency m and R.sup.4 is a monovalent radical, are effective processing stabilizers for polymers, in particular for polyolefins, and additionally have a stabilizing action against damage by light.

Abstract: A stabilized polyolefin resin composition in which (a) 0.005-5% by weight of at least one monofunctional or polyfunctional cyanate ester compound having at least one cyanato group in its molecule, (b) 0.01-5% by weight of at least one hindered amine ultraviolet absorber and (c) 0.005-2% by weight of at least one hindered phenolic antioxidant are incorporated into a polyolefin resin is disclosed. The resin composition has excellent heat stability and resistance to weathering.

Abstract: A liquid concentrate comprising an oxamide and a 2,2,6,6-tetraalkylpiperidine compound dissolved in an organic solvent is useful for the UV-stabilization of hardenable liquid finishes, particularly automotive finishes.

Abstract: Novel piperidine compounds of the general formula (I) ##STR1## in which m is an integer from 1 to 4, R.sub.1 and R.sub.2 are as defined in claim 1 and at least one 2,2,6,6-tetramethylpiperidinyl group, being present in R.sub.1 or R.sub.2 are useful as light stabilizers, heat stabilizers and oxidation stabilizers for organic material, especially for synthetic polymers.

Abstract: A method of stabilizing an acid cured coating formulation against photo and/or thermal degradation without adverse effect on acid cure is disclosed. The method discloses incorporating a stabilizingly effective amount of a hindered amine light stabilizer (HALS) represented by Formula I: ##STR1## wherein R is a saturated or unsaturated, optionally alkyl- or alkenyl-substituted alkylene or cycloalkylene radical having 2-20 C-atoms and R' is selected from the group consisting of:hydrogen;an alkyl radical having 1-20 C-atoms;an alkenyl radical having 3-5 C-atoms;an aralkyl radical having 7-12 C-atoms;--CH.sub.2 --CH.sub.2 --CN;--CH.sub.2 --COO--alkyl;--CH.sub.2 --CH(CH.sub.3)--COO--alkyl; an acyl radical; and--(CH.sub.2 --CH.sub.2 O).sub.n H, wherein n can be 1-10.Also disclosed is an acid cured coating composition stabilized against photo and/or thermal degradation. The composition comprises: a stabilizingly effective amount of HALS represented by Formula I above.

Abstract: A compopund containing one or more units of formula I ##STR1## in which R.sub.1 is --CH.sub.2 C.sub.1-4 alkyl or --CH.sub.3 or both groups R.sub.1 form --(CH.sub.2).sub.5 --;R.sub.2 is --CH.sub.2 C.sub.1-4 alkyl or --CH.sub.3 or both groups R.sub.2 form --(CH.sub.2).sub.5 --;R.sub.3 is furylmethyl, unsubstituted C.sub.1-18 alkyl; C.sub.1-4 alkyl monosubstituted by phenyl, the phenyl group of which is unsubstituted or substituted by 1 to 3 groups selected from --OH and C.sub.1-8 alkyl; C.sub.2-8 alkyl monosubstituted by C.sub.1-4 alkoxy; phenyl, unsubstituted or substituted by 1 to 3 groups selected from C.sub.1-8 alkyl and --OH; or cyclohexy, unsubstituted or monosubstituted by C.sub.1-8 alkyl or --OH.These compounds are useful as light stabilizers for polymeric material.

Abstract: Vinyl benzyl 2,2,6,6-tetramethyl piperidines are provided, having the formula: ##STR1## wherein: R is selected from the group consisting of hydrogen; oxyl; acyl and alkyl having from one to about eighteen carbon atoms; ##STR2## in which Y is --O-- or --N(R.sub.2)--, R.sub.1 is alkyl having from one to about eighteen carbon atoms and R.sub.2 is hydrogen or alkyl having from one to about eighteen carbon atoms.

Abstract: A poly(.alpha.-aminoacetamide) ("poly(AAMID)" for brevity) main chain having terminal polysubstituted piperidinyl chain ends are novel compounds which have highly desirable UV-light stabilizing (UV-S) activity coupled with unexpectedly good thermal stability. These compounds, referred to as "piperidinyl-chain ended poly(AAMID)s", are oligomers which contain from 2 to about 18 AAMID repeating units, for use in polymer recipes to formulate a stabilized polymeric composition comprising a UV-light-degradable organic polymer containing an effective amount of the poly(AAMID) sufficient to stabilize the polymer. A poly(AAMID) is especially effective in a polyolefin in which there is from about 0.1 percent by weight (% by wt), to about 5% by wt of the oligomer, and is also effective in a wide variety of pastel colored and/or transparent commercially significant polymers.

Abstract: Various substituted aminoxy alkylamine derivatives are effective in stabilizing organic materials against oxidative, thermal and actinic degradation, said derivatives being particularly effective as color improvers and process stabilizers in organic materials containing phenolic antioxidants and/or metal salts of fatty acids and/or hindered amine light stabilizers and/or organic phosphorus compounds; and certain of said derivatives as new compounds.

Abstract: Non linear optical compositions contain a vinylidene fluoride copolymer and an additive having molecular optoelelectronic activity, e.g. methyl-N-(2,4-dinitrophenyl)-alaninate. Poled films derived from the composite display optoelectronic activity. There is a marked contrast with known techniques in which single crystals are utilized. The compositions are used to make laminates which display good waveguide properties.

Abstract: Non linear optical compositions contain a vinylidene fluoride copolymer and an additive having molecular optoelectronic activity, e.g. methyl-N-(2,4-dinitrophenyl)-alaninate. Poled films derived from the composite display optoelectronic activity. There is a marked contrast with known techniques in which single crystals are utilized. The compositions are used to make laminates which display good waveguide properties.

Abstract: A compound useful as a light-stabilizer for polymeric material of formula I ##STR1## in which R is hydrogen, oxygen, C.sub.1-8 alkyl or --CO--R.sub.5, where R.sub.5 is --C(R.sub.10).dbd.CH.sub.2, C.sub.1-6 alkyl, phenyl, --CO--O--C.sub.1-4 alkyl or --NR.sub.7 R.sub.8 and where R.sub.7 is hydrogen, C.sub.1-12 alkyl, C.sub.5-6 -cycloalkyl, phenyl, phenylC.sub.1-4 alkyl or C.sub.1-12 alkylphenyl and R.sub.8 is C.sub.1-12 alkyl or hydrogen;each R.sub.1, independently, is --CH.sub.3 or --CH.sub.2 (C.sub.1-4 alkyl) or both groups R.sub.1 form a group --(CH.sub.2).sub.5 --;each R.sub.2, independently, is --CH.sub.3 or --CH.sub.2 (C.sub.1-4 alkyl) or both groups R.sub.2 form a group --(CH.sub.2).sub.5);R.sub.10 is hydrogen or C.sub.1-4 alkyl; andR.sub.4 is an amide- or ester-forming group.

Abstract: A stabilizer for synthetic resins containing as an effective ingredient a hindered piperidine compound represented by the general formula: ##STR1## wherein R.sub.1 represents a C.sub.1 -C.sub.18 alkyl group, R.sub.2 represents a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group, n represents an integer of 1 to 12, and C.sub.n H.sub.2n represents a straight-chain or branched alkylene group.

Abstract: Polyurethanes are stabilized against yellowing by incorporating a phenolic type compound represented by the general formula (I) ##STR1## wherein R.sub.1 represents a C.sub.1 -C.sub.3 alkyl group and at least one member selected from a benzotriazole type light stabilizer and a hindered amine type stabilizer.

Abstract: Piperidine derivatives represented by the general formula (1) ##STR1## (wherein R.sub.1 is a hydrogen atom, an alkyl group of 1 to 3 carbon atoms or an acyl group of 2 to 18 carbon atoms; and k, m and n each are independently an integer of 1 to 3), a process for producing said derivatives, and stabilizers for organic substances containing said derivatives as an active component.

Abstract: Polyacetal resin compositions are stabilized to heat, oxygen and light by incorporation a phenolic type compound represented by the formula ##STR1##

Abstract: Malonate-based spiroacetals of polyalkylpiperidin-4-ones are useful light stabilizers for synthetic polymer resins such as polyolefins, and in particular, polypropylene.

Abstract: Water-soluble or dispersible 2,2,6,6-tetramethylquaternary ammonium halides are provided, effective as stabilizers to increase the resistance to deterioration when exposed to light of synthetic resins, and having the formula: ##STR1## wherein: R.sub.1, R.sub.3 and R.sub.4 are alkyl having from one to about twelve carbon atoms;n is 1 or 2;when n is 1, R.sub.2 is alkyl having from one to about twelve carbon atoms; andwhen n is 2, R.sub.2 is alkylene having from one to about twelve carbon atoms; andX is halogen as well as stabilizer compositions and synthetic resin compositions containing the same.

Abstract: Alkylated N,N-dibenzylhydroxylamine derivatives are effective in stabilizing polyolefin compositions containing a stabilizer or mixture of stabilizers selected from the group consisting of the phenolic antioxidants, the hindered amine light stabilizers, the alkylated hydroxybenzoate light stabilizers, the ultraviolet light absorbers, the organic phosphorus compounds, the alkaline metal salts of fatty acids and the thiosyner-gists, against degradation upon high temperature extrusion, exposure to the combustion products of natural gas, gamma irradiation or upon storage for extended periods.

Abstract: Novel tetrahydrofurancarboxylic acid derivatives of the general formula I ##STR1## or polymers of these containing units of the formula II ##STR2## where the radicals R independently of one another are each C.sub.1 -C.sub.4 -alkyl, cyclohexyl or phenyl, m is from 0 to 3, n is 1 or 2, and R' is a radical of the formula ##STR3## suitable terminal groups in the polymers being chlorine or hydroxyl in the case of the CO group and hydrogen in the case of the --NR.sup.2 group, A is a bridge member, R.sup.1 is hydrogen, C.sub.2 -C.sub.6 -alkenyl, C.sub.1 -C.sub.12 -alkyl which may be interrupted by up to 3 oxygen atoms, unsubstituted or substituted phenylalkyl or C.sub.5 -C.sub.7 -cycloalkyl and R.sup.2 is radical of the formula ##STR4## where R.sup.3 is hydrogen or methyl, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 are each methyl or ethyl and R.sup.8 is hydrogen, C.sub.1 -C.sub.8 -alkyl, C.sub.3 -C.sub.8 -alkenyl, C.sub.2 -C.sub.

Abstract: Malonate-derived acetal esters and amides possessing the polyalkyl piperidin-4-yl moiety are useful light stabilizers with synthetic polymer resins such as polyolefins and, in particular, polypropylene.

Abstract: A composition of matter contains as a principal component a material which acts as an ultraviolet light stabilizer. The ultraviolet light stabilizer is formed from the reaction of (a) a methylol or alkoxy alkyl-containing material, and (b) an alkyl substituted piperidine containing material which is represented by the following structural formula: ##STR1## R" is hydrogen or C.sub.1 to C.sub.6 alkyl, R.sub.10 is hydrogen or methyl,Y is a radical derived from a material selected from the group consisting of amino substituted triazines, ureas, glycolurils, phenols, and amides of the formula ##STR2## R' is hydrogen or C.sub.1 to C.sub.12 alkyl and R is an aliphatic, cycloaliphatic, or olefinic radical, or an acrylic polymer moiety having at least one group selected from hydroxyl, carboxyl, amido, and ureido, said reaction proceeding between a methylol or alkoxy alkyl group of (a) and the group selected from hydroxyl, carboxyl, amido and ureido of (b).

Abstract: These compounds are useful as light stabilizers in polymeric systems. ##STR1## in which R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are organic radicals.

Abstract: The use of piperidine compounds of the formula ##STR1## as light stabilizers, heat stabilizers and oxidation stabilizers is described.

Abstract: Low-molecular and high-molecular polyalkylpiperidines are suitable as a synergistic mixture for stabilizing organic material, in particular organic polymers. The compounds are substances known per se. Thus, for example, the mixture of ##STR1## is distinguished by a pronounced synergism.

Abstract: Vinyl benzyl 2,2,6,6-tetramethyl piperidines are provided, having the formula: ##STR1## wherein: R is selected from the group consisting of hydrogen; oxyl; acyl and alkyl having from one to about eighteen carbon atoms;X is ##STR2## in which Y is --O-- or--N(R.sub.2)--, R.sub.1 is alkyl having from one to about eighteen carbon atoms and R.sub.2 is hydrogen or alkyl having from one to about eighteen carbon atoms.

Abstract: Monomeric and oligomeric derivatives of the diethyl ester of polyalkyl 1,4-dioxa-8-azaspiro-[4.5]-decane-2,3-dicarboxylic acid are useful light stabilizers for synthetic polymer resins such as polyolefins, and in particular, polypropylene.

Abstract: Hydroxylamines derived from hindered amines are effective in stabilizing polyolefin compositions containing a stabilizer or mixture of stabilizers selected from the group consisting of the phenolic antioxidants, the hindered amine light stabilizers, the alkylated hydroxybenzoate light stabilizers, the ultraviolet light absorbers, the organic phosphorus compounds, the alkaline metal salts of fatty acids and the thiosynergists, against degradation upon high temperature extrusion, exposure to the combustion products of natural gas, gamma irradiation or upon storage for extended periods.

Abstract: Oligomeric derivatives of the dialkyl esters of polyalkyl 1,5-dioxa-9-azaspiro-[5.5]undecane-3,3-dicarboxylic acid are useful light stabilizers for synthetic polymer resins such as polyolefins, and in particular, polypropylene.

Abstract: Tartrate-derived acetal esters and amides possessing the polyalkyl piperidin-4-yl moiety are useful light stabilizers with synthetic polymer resins such as polyolefins and, in particular, polypropylene.

Abstract: The present invention relates to a piperidine derivative represented by the general formula (I), ##STR1## wherein R.sub.1 and R.sub.2 independently represent a hydrogen atom or a C.sub.1 -C.sub.3 alkyl or C.sub.2 -C.sub.20 acyl group, R.sub.3 represents a hydrogen atom or a C.sub.1 -C.sub.20 alkyl, C.sub.6 -C.sub.20 aryl, C.sub.7 -C.sub.20 aralkyl or C.sub.2 -C.sub.20 acyl group, and l represents 1 to 3, and a stabilizer for organic substances containing said piperidine derivative as an effective ingredient.

Abstract: The present invention relates to a piperidine derivative represented by the general formula (I), ##STR1## wherein R.sub.1 is a uni- or divalent carboxylic acid residue, R.sub.2 is a hydrogen atom or a C.sub.1 -C.sub.3 alkyl or C.sub.1 -C.sub.18 acyl group, l is an integer of 1 to 3 and n is 1 or 2,its production and a stabilizer for organic substances containing it as an effective ingredient.

Abstract: N,N-Dibenzylhydroxylamine and other selected hydroxylamine derivatives are effective in stabilizing polyolefin compositions containing a stabilizer or mixture of stabilizers selected from the group consisting of the phenolic antioxidants, the hindered amine light stabilizers, the ultraviolet light absorbers, the organic phosphorus compounds, the alkaline metal salts of fatty acids and the thiosynergists, against degradation upon high temperature extrusion, exposure to the combustion products of natural gas, gamma irradiation or upon storage for extended periods.

Abstract: New hindered piperidinoalcohol 1,1,1-trioxyalkanes are disclosed. In the 1,1,1-trioxyalkanes, at least on 1,1,1-trioxyalkane group is linked to the residue of an alcohol linked to the 4-position of a 2,2,6,6-tetraalkylpiperidine compound having 12 to 75 carbon atoms. For each 1,1,1-trioxalkane group, there are 1 to 3 tetraalkylpiperidine groups. The alkyl groups linked to the piperidine ring have from one to five carbon atoms each. The fourth substituent on the carbon atom of the 1,1,1-trioxyalkane is a hydrogen atom or an aliphatic group having one to five carbon atoms.The disclosed 1,1,1-trioxyalkanes protect a variety of synthetic resins against the deteriorative effects of exposure to actinic light.Stabilizer compositions comprising a disclosed 1,1,1-trioxyalkane and a known polymer stabilizer, as well as synthetic resin compositions stabilized with such stabilizer compositions, are also disclosed.