Abstract: A silicone rubber binder composition is provided which includes silicone rubber, silicon dioxide and an aggregate such as sand, gravel, cinders and the like. The silicone rubber is preferably an RTV silicone rubber which is solubilized using a solvent and mixed with the silicon dioxide and aggregate. The mixture may be spray applied to form a roofing coating or may be molded to form another building element such as a beam, post, block, shingle, wallboard or the like.

Abstract: Curable compositions containing (A) one or more epoxy resins, one (B) or more curing agents and (C) one or more cure controlling catalysts wherein at least one of components (A) or (B) or both components (A) and (B) contain a mesogenic moiety are prepared. These curable compositions permit processing at higher temperatures and improved properties. They are useful in the preparation of coatings, castings, electrical or laminates or composites and the like.

Abstract: Novel organopolysiloxanes having one silanol group within a molecule and the method for manufacturing them at high purity and high yield. The organopolysiloxanes having a silanol group are expressed by the formula (1) below: ##STR1## wherein R.sup.1 is a monovalent hydrocarbon group with 1 to 8 carbon atoms, each of R.sup.2, R.sup.3 and R.sup.4 is a monovalent hydrocarbon group with 1 to 8 carbon atoms or a siloxyl group expressed by --OSiR.sup.5 R.sup.7, wherein R.sup.5, R.sup.6 and R.sup.7 are monovalent hydrocarbon groups with 1 to 8 carbon atoms, Y is either a hydrogen atom, a halogen atom, or a monovalent hydrocarbon group with 1 to 12 carbon atoms, n is an integer of from 0 to 12, and a is either 0 or 1, with the proviso that the grouping Y--(CH.sub.2).sub.n --Si does not includes H--Si, CH.sub.3 --Si or a hydrolyzable silyl group.

Abstract: The present invention provides an improved process for preparing a highly water absorbent resin having a superior suction power and excellent gel strength, which consists essentially of:(1) neutralizing acrylic acid to a neutralization degree ranging from 50 to 100% based on the total number of moles of the acid employed and polymerizing it by a reverse phase suspension polymerization to provide a neutralized polymer;(2) dehydrating the polymer until its water content reaches 25% by weight or less based on the weight of the polymer through an azeotropic distillation thereof in the presence of a lipophilic solvent;(3) crosslinking the dehydrated polymer in the presence of a hydrophilic crosslinking agent containing at least two epoxy groups in an amount ranging from 0.05 to 5.0% by weight and water added in an amount ranging from 7.0 to 25.

Abstract: A process for making a cured plastics moulding by introducing a pre-heated curable resin composition to a hotter mould which is at a temperature high enough to initiate curing of the resin, and supplying further resin under pressure to compensate for shrinkage of the composition wherein the curable resin is a formulation comprising an aromatic glycidyl ether epoxy resin, an inert filler, a quaternary ammonium or phosphonium salt as accelerator, 0.5-1.2 mol per mol epoxy of a saturated cycloaliphatic anhydride and a polycarboxylic acid preferably derived from the reaction of a polyol, this acid being present at a level of 0.05-0.5 mol carboxyl per mol epoxy.

Abstract: C.sub.8-18 alkyl aldonolactone esters which have anionic and nonionic surfactant characteristics are disclosed. A process for preparing the esters enzymatically as well as personal product, cosmetic, detergent and oral hygiene compositions containing the compounds which take advantage of their dual surfactant quality, are also disclosed.

Abstract: Polyimide soluble in an organic polar solvent was prepared by heating the solution in the presence of a binary catalyst having low boiling point. Block copolyimides consisting of more than three components were prepared by the sequential addition process in the presence of the binary catalyst. Polyimide resins were prepared without the separation of polyimides and catalysts because of evaporating consequently catalysts and solvent. The binary catalyst comprise one compound selected from .gamma.-valerolactone and crotonic acid, and one compound selected from pyridine and N-methylpyrrolidone.

Abstract: A barrier film comprising a flexible substantially of transparent substrate having first and second surfaces. A substantially colorless barrier coating is formed on at least one of said surfaces of a graphite material having a thickness ranging from 50 to 350 .ANG..

Abstract: A foam carrier for a dust control agent and a biological control agent is provided to control fugitive dust dissemination and biological activity in bulk/granular solids.

Abstract: A radiation surface-curable RTV silicone composition which subsequent to radiation surface curing thereof, is interiorly moisture-curable in character. Such radiation surface-curable, interiorly moisture-curable RTV silicone composition comprises: a silanol-containing silicone; a silane cross-linker for the silicone, such cross-linker having joined directly to a silicon atom thereof an ethylenically unsaturated functional group and at least two hydrolyzable functional groups; and a photoinitiator effective for radiation surface curing of the silicone composition. Also disclosed is a "liquid potting system" formulation, which is irradiated subsequent to dispensing thereof at the potting locus, so that the radiation surface-cured skin layer overlies and contains (cooperatively with the associated bounding surface(s) of the potting locus) the uncured liquid, so that the potted structure or material is encapsulated in a liquid (damping) medium.

Abstract: Uniformly sized, fine particles of a polymer are produced by:(1) mixing (B) a nonionic-organic compound being liquid at room temperature, having a solubility in water at 25.degree. C. of 0.01 wt. % or larger and being compatible with (A) an oil-soluble, ethylenically unsaturated monomer, with the monomer (A) in an amount of 0.5 to 300 wt. % based on the monomer (A),(2) then adding the mixture of (A) and (B) to an aqueous dispersion of (C) particles of a seed polymer so as to make the mixture of (A) and (B) absorb onto the paricles (C) and(3) polymerizing the mixture of (A), (B) and (C) in the presence of an oil-soluble initiator for the polymerization to obtain said uniformly sized, fine particles.

Abstract: Compositions(I), (II) and (III) comprising compounds having vinyl groups as side chains and epoxidized compositions(XI), (XII) and (XIII) thereof, which can be prepared by the various reaction combinations of (a) with (b) or (b)+(c), and or (d), where(a) is at least one compound having at least one vinyl group and one epoxy group in the molecule; (b) is at least one of a polybasic compound, an anhydride thereof, a polymer having carboxylic groups at terminals and a polymer having carboxylic groups as side chains; (c) is at least one organic compound having at least one active hydrogen atom; and (d) is at least one of an unsaturated monocarboxylic compound or an unsaturated monocarboxylic ester having a hydroxyl group.

Abstract: A stabilized polysilazane obtained by reacting an inorganic polysilazane having a number average molecular weight of about 100 to about 100,000 with an alcohol, an organic acid, an ester, a ketone, an aldehyde, a mercaptan, or an alkysilazane preferably at a molar ratio of from 50/50 to 99.99/0.01 is described.

Abstract: Tubules which contain an active agent in their lumen and compositions containing such microtubules are effective for providing a slow, controlled release of the active agent. Such microtubules are useful in the production of coating compositions for the protection of surfaces coming into contact with water, adhesive resins for the production of laminated wood products, and devices for dispensing pesticides.

Abstract: A process for making liquid polymers by condensing monomers and/or oligomers, mixing them with a catalyst where required, and dispersing the mixture via an atomizing device to form small droplets suspended in a reaction chamber. The reagents are caused to polymerize in the dispersed state. The process is preferably carried out in a spray dryer using an atomizing device and is particularly useful for polymerizing organosilicon compounds by condensation.

Abstract: The present invention relates to ceramic materials containing a homogeneous dispersion of one or more metals, particularly sol-gel ceramic materials, a method of preparing the same, and processes for hydrogenating or oxidizing organic compounds using the same.

Abstract: A photosensitive trihalomethyl-s-triazine compound and a photopolymerizable composition containing the photosensitive trihalomethyl-s-triazine compound. The photosensitive trihalomethyl-s-triazine compound is represented by formula (I): ##STR1## wherein X represents a chlorine atom or a bromine atom; Y represents an alkyl group, a CF.sub.3 group, a CF.sub.2 Cl group, an alkyl group substituted with a group or an atom other than hydrogen atoms, a C.sub.6 F.sub.5 group, or a group represented by --Z--CO--OR.sup.3 or --C.sub.6 H.sub.4 --R.sup.4, in which R.sup.3 represents a hydrogen atom or alkyl group, Z represents --C.sub.2 H.sub.4 --, --C.sub.3 H.sub.6 --, --CH.dbd.CH--, or o-phenylene group, and R.sup.

Abstract: Polyurethane sealants and adhesives made with saturated, polyhydroxylated polydiene polymers and polyisocyanates have improved tack and peel strength when the crosslinked polyurethane has non-load bearing saturated hydrocarbon segments formed by use of substantially less than stoichiometric amounts of polyisocyanate or by addition of monohydroxylated polydiene polymers.

Abstract: A method for bonding substrates with silicone rubber substantially shortens the setting time and provides good bonding of the substrates with silicone rubber using a silicone rubber composition comprised of a thermal-crosslinking component and moisture-crosslinking component. The silicone composition is applied to a substrate, heated to give a silicone gel, subsequently brought into contact with another substrate, and is followed by moisture crosslinking to form a silicone rubber.

Abstract: A gel suitable for use in various personal care applications is provided. The improved gel contains an amide-free gelator; a siloxane polyether for strengthening the gel, and increasing its firmness, rigidity, and adhesion to substrates; and a volatile methyl siloxane. Preferably, the gel includes 1 to 98.9 percent by weight of the siloxane polyether; 0.1 to 20 percent by weight of 12-hydroxystearic acid or metal salts of 12-hydroxystearic acid; and 1 to 98.9 percent by weight of a volatile methyl siloxane having a boiling point less than two hundred-fifty degrees Centigrade and a viscosity of 0.65 to about 5.0 centistoke (mm.sup.2 /s).