Abstract: The preent invention is directed to an internal mold release composition comprising:(a) a zinc carboxylate selected from the group consisting of zinc stearate, zinc laurate and zinc oleate, and(b) a compatibilizer comprising a dispersion of polyurea and/or a polyhydrazodicarbonamide in an organic compound containing at least one hydroxyl group, in an amount sufficient to solubilize the zinc carboxylate.The invention also relates to the use of such composition.

Abstract: A monoester derived from guerbet alcohol and a monocarboxylic acid or a hydroxy carboxylic acid was found to be an effective mold release agent for a thermoplastic molding composition which comprise an aromatic polycarbonate resin. The alcohol of the invention is a guerbet alcohol having about 20 to 60 carbon atoms and the monoacid is characterized in that it has about 1 to 22 carbon atoms.

Abstract: A particular area or areas are monitored for the presence of gaseous materials, particularly pollutants by analyzing background infrared radiation present in the selected area with a spectrometer and making the results of this analysis available in a form understandable to the person or device monitoring the area for the presence of specified gaseous materials. The results of the spectrometric analysis may, for example, be displayed on a video unit or they may be printed. Apparatus useful in the practice of this invention generally includes an interferometer of the Michaelson-Morely type having specific optical characteristics, a sensitive infrared detector, electronic data processor, and a device which records and/or displays the results of the determination(s).

Abstract: A two component urethane structural adhesive formulation was developed containing a multi-functional aromatic amine terminated polyether as part of the curative component. The adhesive of the present invention is prepared by mixing and reacting the following low viscosity components:Component A, a curative comprising a polyol and an aromatic amine terminated polyether containing two or more primary amine groups and having a molecular weight of from 250 to about 10,000 and Component B, comprising a polyisocyanate. The adhesive of the invention is characterized by its improved sag resistance, its heavy body which is obtained without resort to included fillers or to prepolymerization of the components and by the relatively low viscosity (under about 15,000 cps) of its components which permits easy bulk handling.

Abstract: A continuous multistage process for separating a partially water soluble organic component from a slurry containing an insoluble solid, a partially water soluble organic component and optionally water. In this process, the slurry is continuously fed to a tower or column equipped with a suitable vapor/liquid contact device. Energy is applied at a point below the vapor/liquid contact device. Vapors containing the partially soluble organic component exit the tower or column overhead and the inorganic solid is recovered at the bottom of the tower or column. This application of distillation technology to slurries is particularly advantageous in that a more efficient separation of that solid material from the partially soluble organic component is obtained. The improved separation efficiency can be utilized to either lower separation cost and/or to affect a more complete separation in order to obtain a solid material with a lower residual amount of the organic component.

Abstract: The present invention is directed to an isocyanate blend having an isocyanate group content of from about 16 to about 25% by weight and consisting essentially of:(A) a modified isocyanate having an isocyanate group content of from about 18 to about 25% by weight and prepared by reacting 1 mole of methylenebis(phenyl isocyanate) with from about 0.1 to about 0.

Abstract: The present invention is directed to a process for the direct production of a pigmented thermoplastic polyurethane powder in finely divided form by(a) reacting with agitation at an overall equivalent ratio of isocyanate groups to isocyanate reactive groups of about 0.5 to 1.1(i) a surfactant-stabilized emulsion of fine droplets of a first reactant which has an average of about two isocyanate or isocyanate reactive groups in admixture with at least one pigment with(ii) a second reactant which contain an average of about two isocyanate or isocyanate reactive groups,in an inert organic liquid in which the first reactant, the pigment and the powder are substantially insoluble or immiscible to form particles of the powder which are protected from agglomeration by the surfactant, and(b) separating the particles of the powder from the inert organic liquid.The present invention is also directed to the pigmented thermoplastic polyurethane powders obtained by this process.

Abstract: The present invention is directed to a simple process for preparing a 4,4'-diisocyanato dicyclohexylmethane containing at least 90% by weight of the trans, trans-isomer. More particularly, the process comprises:(a) melting a mixture of 4,4'-diisocyanato dicyclohexylmethane isomers containing at least 30% by weight, and preferably from 45 to 55% by weight, of the trans,trans-isomer,(b) cooling the melted mixture to a temperature of from about 20.degree. to about 25.degree. C.

Abstract: The present invention is directed to a process for the production of optionally cellular, polyurea elastomer moldings by reacting a mixture containing(I) a polyisocyanate component having an isocyanate content of about 10 to 30% by weight which comprises an isocyanate-terminated prepolymer prepared by reacting a polyisocyanate with a non-fatty, hydroxy polyester having a hydroxyl functionality of 1 to 4 and a molecular weight of about 500 to 4000, provided that if the hydroxy polyester is based on an aliphatic monocarboxylic acid, the aliphatic monocarboxylic acid is a non-fatty monocarboxylic acid containing less than 12 carbon atoms,(II) a polyether having at least two isocyanate-reactive groups and a molecular weight of 1800 to 12,000 in which at least 50% of the isocyanate-reactive groups are primary and/or secondary amino groups, and(III) about 5 to 50% by weight, based on the weight of component (II) of a chain extender comprising a sterically hindered aromatic diamine,the reaction mixture being process

Abstract: Trimethylsulfonium halides are made by reacting dimethyl sulfide and a methyl halide in the presence of water. The reaction is preferably conducted under pressure.

Abstract: Foam compositions containing a herbicide or pesticide which are readily absorbed systemically by plant life are made by incorporating a gas such as air into a composition made up of an alcohol, a modified coconut acid or a blend of nonionic and anionic surfactants, water and a systemic herbicide or pesticide. These foam compositions are applied directly to plant life such as trees and are absorbed within three minutes, often within one minute.

Abstract: The present invention is directed to a novel polyol composition and the use thereof in the preparation of a rigid polyurethane foam. More particularly the polyol composition is a blend of specific amounts of two polyols, one based on orthotoluene diamine and the other based on a non-ortho-toluene diamine.

Abstract: The present invention is directed to a, multilayered coextruded thermoplastic structure useful as a packaging material including a barrier layer of polyvinylidene chloride, a polycarbonate layer and an adhesive layer interposed therebetween. The polycarbonate resin of the invention is characterized by its low molecular weight. In a preferred embodiment the polycarbonate is further characterized by its special chain terminating agent.

Abstract: X represents a halogen, phenyl, phenoxy or halophenoxy moiety, andn is an integer of from 0 to 5,is produced by reacting 1,2,4-triazole with an .alpha.-halo-.alpha.-phenoxy compound of the formula ##STR2## in which Y represents Br or Cl, in the presence of a tertiary amine and a water-immiscible organic solvent. The amine is liquid at ambient temperature, substantially water-insoluble in its free base form and water-soluble in salt form.

Abstract: The present invention relates to the use of the sulphenic acid amides of the general formula (I) ##STR1## in which X represents identical or different halogen atoms, Y.sup.1 and Y.sup.2 are identical or different and represent hydrogen, halogen, alkyl, alkoxy, halogenoalkyl or NO.sub.2 andZ represents halogen, --OH, --NHOH or the group --OR.sup.1,in whichR.sup.1 denotes optionally substituted radicals from the series comprising alkyl, alkenyl, alkinyl, cycloalkyl, aryl, aralkyl and heterocyclyl, orZ represents the group ##STR2## in which R.sup.2 and R.sup.3 are identical or different and denote hydrogen or a heterocyclic radical, orZ represents the group --OMin whichM denotes ammonium or the equivalent of an alkali metal, alkaline earth metal or heavy metal cation,for prolonging the duration of a high activity in agents for combating soil pests.

Abstract: The present invention is directed to a process for the production of optionally cellular, polyurea elastomer moldings by reacting a mixture containing(I) a polyisocyanate component having an isocyanate content of about 10 to 30% by weight which comprises an isocyanate-terminated prepolymer prepared by reacting a polyisocyanate with a non-fatty, hydroxy polyester having a hydroxyl functionality of 1 to 4 and a molecular weight of about 500 to 4000, provided that if the hydroxy polyester is based on an aliphatic monocarboxylic acid, the aliphatic monocarboxylic acid is a non-fatty monocarboxylic acid containing less than 12 carbon atoms,(II) a polyether having at least two isocyanate-reactive groups and a molecular weight of 1800 to 12,000 in which at least 50% of the isocyanate-reactive groups are primary and/or secondary amino groups, and(III) abotu 5 to 50% by weight, based on the weight of component (II) of a chain extender comprising a sterically hindered aromatic diamine,the reaction mixture being process

Abstract: The foregoing invention relates to new soil pest combating agents which can be used in plant protection for combating nematodes and arthropods, especially insects, and which contain at least one conventional active agent, especially a carbamate, P ester (phosphoric and phosphonic acid esters, including esteramides as well as the thiono-, thiol- and thiono-thiol derivatives) or pyrethroid and at least Captan and/or Captofol.

Abstract: The foregoing invention relates to new soil pest combating agents which contain at least one conventional active agent, especially a carbamate, P-esters (phosphoric and phosphonic acid esters, including esteramides, as well as corresponding thiono-, thiol- and thiono-thiol derivatives) and pyrethroids as well as Flubenzimin.

Abstract: The present invention relates to a novel chain extender for use in making moldings. The chain extender broadly comprises the reaction product of an aromatic diamine and a cyclic carboxylic acid dianhydride.

Abstract: The invention relates to thermoplastic polycarbonate molding compositions which are rendered resistant to gamma-radiation by incorporating therewith about 0.1 to about 10 percent by weight of a stabilizing agent conforming to ##STR1## wherein R.sub.1 denotes a hydrogen atom or a C.sub.1 -C.sub.4 alkyl, R.sub.2 denotes a hydrogen atom, a C.sub.1 -C.sub.30 alkyl or acyl radical, silyl or pyranyl where said alkyl and acyl radicals may be either branched or linear, n is an integer of from 0 to 70, p is 0 or 1 and m is 1 to 4.