Abstract: An anti-freeze concentrate made by adding together at least:a) an alkylene glycol;b) an effective corrosion inhibiting amount, or more, of an unsubstituted benzoic acid; andc) an effective corrosion inhibiting amount, or more, of a C.sub.7 -C.sub.14 monocarboxylic acid.This formulation is particularly effective at inhibiting corrosion in coolants which are free of borates, primary and secondary amines, phosphates, silicates, as well as those coolants which are free of p-tertbutyl benzoic acid.

Abstract: A process for separating linear alpha olefins from branched alpha olefins in a feed stream by:a) contacting the feed stream with a linear polyaromatic compound having at least four fused aromatic rings, such as 2,3-benzanthracene, under conditions effective to form a reaction mixture comprising a linear polyaromatic compound-linear alpha olefin adduct;b) separating the linear polyaromatic compound-linear alpha olefin adduct from the reaction mixture;c) dissociating the linear polyaromatic compound-linear alpha olefin adduct to form the linear polyaromatic compound and a linear alpha olefin composition, and optionallyd) separating the linear polyaromatic compound formed in step c) from the linear alpha olefin composition.

Abstract: Linear alpha olefins are separated from 2-branched alpha olefins and/or 3-branched alpha olefins. A feedstock of linear alpha olefins, branched alpha olefins, and internal olefins is converted to a linear alpha olefin composition having a lower concentration of branched alpha olefins than present in the feedstock bya) contacting the feedstock with anthracene under conditions effective to form a reaction mixture comprising an anthracene-linear alpha olefin adduct;b) separating the anthracene-linear alpha olefin adduct from the reaction mixture;c) disassociating the anthracene-linear alpha olefin adduct to form anthracene and a linear alpha olefin composition, andd) separating the anthracene formed in step c) from a linear alpha olefin composition.

Abstract: There is provided a curing agent composition for epoxy resins and two component curable epoxy resin compositions. The curing agent is made by reacting at least a b) substituted aryl amidopolyamine with a c) monoglycidyl capping agent, where the substituted aryl amidopolyamine is made by reacting at least:bi) a phenolic compound substituted with at least one carboxyl group and at least one hydrocarbyl group having at least 1 carbon atom, andbii) an aliphatic polyamine compound having at least two primary amine groups.The curing agent is storage stable for at least 6 months. There is also provided a two component epoxy resin composition, which advantageously can be made in the absence of external catalysts/accelerators, and can cure within 24 hours at the low temperature of 4.4.degree. C. The two component epoxy resin composition also exhibits excellent compatibility between the curing agent and the epoxy resin, thus reducing or eliminating the need for an induction time.

Abstract: Modified epoxy resins are obtained by reaction of an epoxy resin with up to one mol equivalent per epoxy group of an alkyl or alkenyl substituted, hydroxy substituted aromatic acid, especially by reaction of a bisphenol A based epoxy resin with an alkylated salicylic acid. Also are described a process for the production of such modified resins, curable compositions comprising the modified epoxy resin and products provided with the cured composition, especially in coating applications and civil engineering applications.

Abstract: Polyester blends of polyethylene terephthalate and polyethylene isophthalate coated with an alkylene carbonate such as ethylene carbonate or propylene carbonate crystallize more quickly and at lower temperature than uncoated pellets, reducing the tendency of the pellets to stick together during the crystallization process prior to solid-state polymerization.

Abstract: A process is disclosed for preparing an alkylene glycol by reacting an alkylene oxide with water in the presence of a catalyst comprising a polymeric organosiloxane ammonium salt having a silica-like skeleton and comprising units of the general formula (I) ##STR1## wherein R.sup.1 to R.sup.4, Y and x are as specified in claim 1. Preferred are the catalysts wherein the anion Y is selected from the group of carboxylates having from 1-20 carbon atoms, hydrogen carbonate, hydrogen sulphite, hydrogen phosphate and metalate. These catalysts exhibit an enhanced selectivity stability.

Abstract: The present invention relates to a liquid resin composition comprising (1) a liquid epoxy resin, (2) a particular ester curing agent, and (3) a curing accelerator. This epoxy resin composition can provide a cured resin with excellent heat resistance and water resistance, which is particularly useful for encapsulation, casting and adhesion.

Abstract: Cleaning composition comprising 65-90% by weight of an aliphatic hydrocarbon solvent, 10-30% by weight of a monohydric aliphatic alcohol containing 8-16 carbon atoms and 0.01-5% by weight of emulsifier, which composition has a flash point of more than 80 C., contains at most 1% by weight of aromatic hydrocarbons and in which composition the weight ratio of amount of component a) to amount of component b) is between 99:1 to 50:50. The cleaning composition is especially suitable for removing ink.

Abstract: There is provided a new branched primary alcohol composition and the sulfates thereof exhibiting good cold water detergency and biodegradability. The branched primary alcohol composition has an average number of branches per chain of at least 0.7, having at least 8 carbon atoms and contianing both methyl and ethyl branches. The primary alcohol composition may also contain less than 0.5 atom % of quaternary carbon atoms, and a significant number ethyl branches, terminal isopropyl branches, and branching it the C.sub.3 position relative to the hydroxyl carbon. The process for its manufacture is by skeletally isomerizing an olefin feed having at least 7 carbon atoms followed by conversion to an alcohol, as by way of hydroformylation, and ultimately, sulfation to obtain a detergent surfactant. Useful catalysts include the zeolites having at least one channel with a crystallographic free diameter along the x and/or y planes of the ?001! view ranging from greater than 4.2 .ANG. and less than 7 .ANG.

Abstract: A process is provided for the hydroformylation of ethylenically unsaturated compounds having at least 4 carbon atoms by reaction thereof with carbon monoxide and hydrogen in the presence of a solvent and a catalyst system obtainable by combining:a) a source of Group VIII metal cations;b) a source of anions; andc) a source of phosphine ligands,wherein the solvent is a C.sub.1, to C.sub.10 alkane or alkene having two or more cyano groups attached.

Abstract: A process of making a fiber-reinforced polymeric material comprises sliding a fiber bundle over an arcuate support surface (2) in the line of the arc, and injecting into the bundle a molten or liquid polymer through a plurality of slots (4) in the surface, each slot being transverse to the bundle. The process allows effective impregnation of materials, at relatively high production speed and low capital costs.

Abstract: There is provided an alcohol composition obtained by dimerizing an olefin feed comprising C.sub.6 -C.sub.10 linear olefins to obtain C.sub.12 -C.sub.20 olefins, followed by conversion to alcohols, such as by hydroformylation. The composition has an average number of branches ranging from 0.9 to 2.0 per molecule. The linear olefin feed preferably comprises at least 85% of C.sub.6 -C.sub.8 -olefins. The primary alcohol compositions are then converted to anionic or nonionic surfactants, preferably sulfated or oxyalkylated or both. The sulfated compositions are biodegradable and possess good cold water detergency. The process for making the dimerized primary alcohol comprises dimerizing, in the presence of a homogeneous dimerization catalyst under dimerization conditions, an olefin feed comprising C.sub.6 -C.sub.10 olefins and preferably at least 85 weight % of linear olefins based on the weight of the olefin feed, to obtain a C.sub.12 -C.sub.20 ; optionally double bond isomerizing said C.sub.12 -C.sub.

Abstract: The invention relates to a process for hydroformylating olefins with carbon monoxide and a hydrogen atom source in the presence of a catalyst system obtainable by combining (a) a source of a Group VIII metal cation, (b) a compound acting as bidentate ligand of the formula R.sup.1 R.sup.2 M.sup.1 --R--M.sup.2 R.sup.3 R.sup.4, wherein M.sup.1 and M.sup.2 independently are P, As or Sb, R represents a bivalent substituted or non-substituted bridging group containing from 1 to 5 atoms in the bridge, R.sup.1 and R.sup.2 together are a substituted or non-substituted bivalent group whereby the two free valencies are linked to M.sup.1, and R.sup.3 and R.sup.4 together are a substituted or non-substituted bivalent group whereby the two free valencies are linked to M.sup.2 or R.sup.3 and R.sup.4 independently are substituted or non-substituted hydrocarbyl groups, and (c) a source of anions; wherein the hydrogen atom source comprises water or a primary or secondary alcohol.

Abstract: A polyester polymer containing micro glass fibers having an aspect ratio of greater than 1000, preferably from about 2000 to about 5000. Those micro glass fibers having these aspect ratios, preferably with mean fiber diameters of 1 microns or less, act as excellent nucleating agents to promote crystallization of the polymer melt during its cooling phase, improve the rheological behavior of the melt, reduce the crystalline half time during cooling phases, and are acceptable in polyester molded or thermoformed products which come into contact with food or beverage.

Abstract: An amine curing agent composition for an epoxy resin is provided having low volatility and good processability containing a) a polyamine curing agent and b) an aliphatic alcohol-alkylene oxide adduct. An epoxy resin-polyamine curing agent system containing an aliphatic alcohol-alkylene oxide adduct is also provided.

Abstract: Modified epoxy resins are obtained by reaction of an epoxy resin with up to one mol equivalent per epoxy group of an alkyl or alkenyl substituted, hydroxy substituted aromatic acid, especially by reaction of a bisphenol A epoxy resin with an alkylated salicylic acid. Also are described a process for the production of such modified resins, curable compositions comprising the modified epoxy resin and products provided with the cured composition, especially in coating applications and civil engineering applications.

Abstract: To provide an epoxy resin composition for encapsulation of semiconductors, which is superior in curability and can yield a cured product having low moisture absorption. The epoxy resin composition comprises the following components (a), (b), (c), and (d):(a) Epoxy resin(b) Epoxy resin hardener comprising a partially aromatic-esterified phenol aralkyl resin having a conversion of esterification of 10 to 90 mol % as the main component(c) Silica powder filler(d) Cure accelerator.

Abstract: A process for the preparation of an oxirane compound by reacting an olefinically unsaturated hydrocarbon with an organic hydroperoxide, in the presence of a catalyst comprising a titanasilsesquioxane of the general formula TiLR.sub.7 Si.sub.7 O.sub.12 and the structural formula ##STR1## wherein R is chosen from the group of cyclopentyl, cyclohexyl and cycloheptyl and L is chosen from the group of alkyl, cycloalkyl, alkylaryl, alkoxy, aryloxy, siloxy, amido and OH.

Abstract: An amine curing agent composition for an epoxy resin is provided having low volatility and good processability containing a) a polyamine curing agent and b) an aliphatic alcohol-alkylene oxide adduct. An epoxy resin-polyamine curing agent system containing an aliphatic alcohol-alkylene oxide adduct is also provided.