Abstract: A material useful for manufacturing food packagings is formed from a film covered with silicon oxide and a polyolefin film, such that the binder arranged between the film covered with silicon oxide and the polyolefin film is selected from the group consisting of polyolefins grafted with unsaturated alkoxysilanes, polyolefins grafted with unsaturated epoxides, and copolymers of ethylene with at least one unsaturated epoxide.

Abstract: A process for the preparation of 3-chloropropionic acid consists especially in simultaneously introducing hydrochloric acid gas and acrylic acid at a molar ratio of 0.7:1 to 1.3:1 into a sediment consisting of 3-chloropropionic acid optionally diluted with water or with an aqueous hydrochloric acid solution.

Abstract: The present invention relates to hot-melt adhesive compositions based on copolymers of ethylene, vinyl acetate and vinylalkoxysilane units, which are crosslinkable by moisture, wherein the hot-melt adhesive is substantially anhydrous. More particularly, it relates to the storage stability of the hot-melt adhesive compositions including at least one crosslinking catalyst. The invention also relates to a process for the manufacture of the hot-melt adhesive composition comprising drying the hot-melt adhesive under vacuum at a temperature lower than 180.degree. C. and purging with a dry gas at a temperature lower than 180.degree. C.

Abstract: This invention relates to aqueous emulsions based on uncured and uncurable acrylic polymers and their use for the forming process of the cathode ray tube comprising as comonomers the following components:A) butylmethacrylate from 45-70 parts by weightB) methylmethacrylate from 20-45 parts by weightC) methacrylic acid from 1-4 parts by weightD) ethylacrylate from 5-9 parts by weighthaving a minimum filming temperature such as to produce film between about 20.degree. and 40.degree. C., with or without the use of coalescent agents, the nitrogen thermal cycle which simulates that utilized in the CRT process, being the following:1.degree. scanning: from 25.degree. C. to 375.degree. C. at 11.degree. C./min.2.degree. scanning: from 75.degree. C. to 440.degree. C. at 5.degree. C./min.3.degree. scanning: isotherm at 440.degree. C. for 45 minutes,the organic residue after said thermal treatment being lower than 0.05% by weight, preferably 0.01%.

Abstract: The subject of the present invention is a new process for obtaining nitrones. It more particularly relates to a process for obtaining N-monosubstituted hydroxylamine comprising a stage in which a nitrone is formed from a secondary amine in the presence of an oxidizing agent and of at least one C.dbd.O containing species chosen from the group consisting of carbon dioxide, hydrogencarbonates and carbonates.

Abstract: The subject of the invention is the compounds of formula: ##STR1## in which R denotes a saturated or unsaturated, linear or branched alkyl group containing from 5 to 21 carbon atoms.The invention also relates to a process for the preparation of the abovementioned compounds, characterized in that it consists ina) forming an N-acylglucosamine from glucosamine hydrochloride and C.sub.6 -C.sub.22 acid chloride, andb) reacting the compound from stage a) with glycerol in the presence of an acid catalyst.It also relates to detergent or cosmetic compositions including the abovementioned compounds.

Abstract: This photopolymerizable composition includes an grafted reactive telomer containing trifluoroethyl methacrylate units, a reactive diluent and a photopolymerization initiator. It gives hydrophobic transparent coatings.

Abstract: Liquid methyltin halide compositions and their use as intermediates in chemical synthesis and as precursors for forming tin oxide coatings on substrates are disclosed.

Abstract: Natural or synthetic wax dissolved in the continuous organic phase of an water-in-oil emulsion retards evaporation of water from a dispersed aqueous phase. An in situ prepared equilibrium mixture of benzyl alcohol, formic acid and benzyl formate emulsified with oleic hydroxyethyl imidazoline or similar oil soluble emulsifying agent is thickened with hydroxypropyl cellulose or hydroxypropyl methylcellulose and contains 0.1 to 1.0% by weight paraffin wax with a melting point of 47.degree. to 65.degree. C. Wax dissolved in the organic phase retards evaporation of water, and formic acid or ammonia which are very volatile in comparison with benzyl alcohol forming the major component of the organic phase. A petroleum distillate is used to pre-wet a hydroxypropyl cellulose thickener and dissolve the wax.

Abstract: To replace the azeotropic mixture of chlorodifluoromethane and chloropentafluoroethane (R-502) in low-temperature refrigeration, the invention proposes to use a pseudo-azeotropic mixture containing 45 to 50% by weight of chlorodifluoromethane, 44 to 48% by weight of 1,1,1-trifluoroethane, and 6 to 8% by weight of pentafluoroethane. The thermodynamic properties of this mixture are very similar to those of mixture R-502.

Abstract: Novel functionalized peroxides which may be used as crosslinking, grafting and curing agents, initiators for polymerization reactions and as monomers for condensation polymerizations to form peroxy-containing polymers, which in turn can be used to prepare block and graft copolymers, have the following Formula I: ##STR1## R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, X, Y.sup.1, Y.sup.2, Y.sup.3, Z.sup.1, Z.sup.2, x, y and z are as defined in the Summary of the Invention. The compounds of Formula I may be prepared by reacting hydroxy-containing tertiary hydroperoxides with diacid halides, phosgene, dichloroformates, diisocyanates, anhydrides and lactones to form the functionalized peroxides. These reaction products may be further reacted, if desired, with dialcohols, diamines, aminoalcohols, epoxides, epoxy alcohols, epoxy amines, diacid halides, dichloroformates and diisocyanates to form additional functionalized peroxides.

Abstract: This invention relates to an initiating system for the anionic polymerization of acrylic monomers, and where necessary vinyl comonomers, including at least one R-M initiator in which M is a metal chosen from among the alkali and alkaline earth metals and R is a linear or branched chain alkyl, aryl, or arylalkyl radical. The polymerization may also take place in the presence of at least one R.sub.1 OM.sub.1 alkali metal alcoholate, in which R is an linear or branched chain alkyl, aryl, or arylalkyl radical and M.sub.1 is an alkali metal, on the condition that when M.sub.1 is lithium, then R is an aryl or arylalkyl radical. This invention also related to a process for the polymerization of primary, secondary, or tertiary alkyl acrylates, and possibly of vinyl comonomers, in the presence of the initiating system described above.

Abstract: This composition for deodorizing animal faeces such as liquid manure, in particular liquid pig manure, is characterized in that it comprises: (a) at least one normal superphosphate; (b) at least one compound chosen from undecylenic acid, its esters and its polyoxyalkyle-mated esters; and optionally (c) sodium perborate. The constituent (a) is in particular a normal superphosphate containing approximately 16-18% by weight of P.sub.2 O.sub.5. The constituent (b) is in particular methyl undecylenate.The composition is formulated, for example, order to be able to treat animal faeces with up to approximately 10,000 ppm of the constituent (a); up to approximately 1000 ppm of the constituent (b); and up to approximately 500 ppm of active O.sub.2 form the constituent (c), these amounts being calculated with respect to the weight of the animal faeces to be treated.

Abstract: Process for reducing the content of residual monomers, expressed as total VOC lower than 600 ppm and deriving from the monomers utilized to obtain the emulsion lower than 100 ppm; having an amount of wet coagula lower or equal to 500 ppm after wet filtering on 125 micron filter of the emulsion at the outlet after the various dropping phases, in polymerizations and copolymerizations in dispersion or emulsion in aqueous phase based on acrylic monomers, characterized in that it comprises as redox couple the utilization of a reducing agent selected from ascorbic acid or an aldehyde having a number of carbon atoms equal to or higher than 4 and containing at least a salifiable hydrogen, organic or inorganic, or its salts and the inorganic salifiable hydrogen being added to a carboxylic group; the aldehyde reducing agent or its salts being soluble in water for at least 5% by weight, preferably 10% by weight; and from an oxidizing agent consisting of an organic hydroperoxide in aqueous solution, excluding those solub

Abstract: This invention relates to novel peroxide blends which are liquid at 25.degree. C. and lower, their method of preparation and their use in curing peroxide crosslinkable polymers.The blend is a mixture of the meta isomers or the meta and para isomers of the compounds of Formulae I, II and III and optionally Formula IV (all as defined herein) in such proportions that the composition provides a liquid mixture at 25.degree. C. or below which has a high crosslinking efficiency for polymeric materials.

Abstract: The subject-matter of the invention is a process for the preparation of cyclododecanone oxime by photonitrosation of cyclododecane in the presence of hydrochloric acid, characterized in that the nitrosing agent is trichloronitrosomethane.

Abstract: This process for the preparation of isobornyl (meth)acrylate comprises the reaction of (meth)acrylic acid with camphene in the presence of a solid zirconium-based superacid as catalyst.

Abstract: The present invention comprises a curable composition comprising:(i) a blocked reactive component comprising a blocked isocyanate or a blocked isothiocyanate;(ii) a functional compound containing reactive hydrogen;(iii) a triorganotin catalyst for promoting the reaction of the blocked reactive component with the functional compound.The composition may also be admixed with water. The invention also relates to a method for curing a blocked isocyanate or blocked isothiocyanate at a temperature below about 150.degree. C. which comprises combining a triorganotin compound with the blocked reactive component and functional compound and heating at a temperature less than about 150.degree. C. to obtain a cured urethane or thiourethane.

Abstract: A method for extending the life of catalyst used to fluorinate olefins, e.g. a supported Lewis acid catalyst in the catalytic hydrofluorination of vinylidene chloride by conducting the hydrofluorination in the presence of a polymerization inhibitor for the vinylidene chloride.

Abstract: A process and apparatus for regenerating a plating bath comprising trivalent chromium cations (a trivalent chromium bath). The bath can be continuously, or more preferably, periodically with an ion exchange resin, preferably a cation exchange resin. A useful apparatus comprises a plating tank containing a trivalent chromium plating bath in communication with an ion exchange bed continuing ion exchange resin.