Abstract: A process for producing a macromolecular monomer, which comprises anionic polymerization of a (meth)acrylic acid ester monomer by using, as a polymerization initiator, a compound represented by the following general formula [I]: ##STR1## wherein M.sup.+ is a quaternary ammonium ion; .phi.is a phenylene group; R.sub.1 and R.sub.2 are each an electron withdrawing group stabilizing the carbanion C.sup.-, or one of them is said electron withdrawing group and the other is an alkyl group of 1-6 carbon atoms or a phenyl group; and n is an integer of 0-6.

Abstract: Disclosed is a method for producing an electrophotographic photoreceptor capable of repeated copying without one imagewise exposure for every one copying and which is superior in stability, sensitivity, resolution and tone reproduction. This method comprises converting to an insualtor, by irradiation with energy ray, any selected area of a surface of an electrophotographic photoreceptor comprising a conductive substrate, a carrier generation layer and a carrier transport layer composed mainly of a compound which is converted to an insulator by irradiation with energy ray.

Abstract: A process for bonding a polyolefin, polyfluoroolefin, polyethylene terephthalate, polyacetal, nylon or plasticizer-rich soft polyvinyl chloride substrate to a like substrate or for bonding a polyolefin, polyfluoroolefin, polyethylene terephthalate, polyacetal, nylon or plasticizer-rich soft polyvinyl chloride substrates to another substrate which comprises applying to the surface of at least one of the substrates to be bonded together an adhesion promoter composition comprising 0.001-10 wt. % of at least one organometallic compound containing a metal selected from the group consisting of typical metals, applying a cyanoacrylate-based adhesive comprising an alpha-cyanoacrylate and bringing together the thus-treated surface of the substrates to be bonded.

Abstract: A process for producing a copper-clad laminate is disclosed which includes the steps of (a) contacting the surface of a conductive carrier with a catalyst liquid containing at least one noble metal selected from the group consisting of Pd, Pt, Ru, Au, and Ag; (b) subsequently forming a copper foil layer on the treated surface of the conductive carrier by copper electroplating; (c) laminating an insulating base on the copper foil layer by hot-press bonding; and (d) separating the conductive carrier from the resulting laminate. The copper foil layer in the resulting copper-clad laminate has reduced pinholes and exhibits isotropic mechanical characteristics.

Abstract: Provided is a process for producing hydroxylapatite suitable for chromatographic separation of biopolymers. The process comprises allowing hexagonal prismatic or acicular monetite to react with potassium hydroxide and/or lithium hydroxide under heating.

Abstract: An epoxy resin composition for use in sealing semiconductors, having enhanced moisture resistance reliability is disclosed, which comprises an epoxy resin and an oxyacid bismuth oxyhydroxide represented by the following formula (1):Bi.sub.x O.sub.y (OH).sub.p (Y.sup.-a).sub.q (NO.sub.3).sub.r.nH.sub.2 O (1)wherein Y.sup.-a represents a residue of an oxyacid other than nitrate; a represents the ionic valence, absolute value, of the residue of the oxyacid; and x, y, p, q, r and n each represents a value satisfying the following:1.ltoreq.x 1.ltoreq.y O.ltoreq.n0.08 x.ltoreq.p.ltoreq.0.92 x0.02 x.ltoreq.aq.ltoreq.0.92 x0.ltoreq.r.ltoreq.0.

Abstract: The present invention provides a fluorine-containing copolymer which comprises the following monomers as essential components:(a) a fluoroolefin,(b) a hydroxyalkyl crotonate, and(c) a vinyl monomer other than the above monomers (a) and (b). The present invention further provides a coating composition comprising the above fluorine-containing copolymer and a crosslinking agent having a functional group which reacts with hydroxyl group.

Abstract: A resin composition for a composite-type vibration-damping material which comprises a saturated copolyester having a weight average molecular weight of at least 10,000 and a softening point of 50.degree. to 150.degree. C. and a polyfunctional isocyanate compound as a cross-linking agent and which, when cross-linked, has a degree of gelation (degree of cross-linking) of at least 10% and a composite-type vibration-damping material produced by use of the resin composition, have excellent adhesive strength and formability.When the resin composition is admixed with a conductive substance, a vibration-damping material produced by use of the admixture has excellent spot-weldability in addition to the above-mentioned excellent properties.

Abstract: A curable composition, in which powder of an organic or inorganic compound is added to and dispersed in a 2-cyanoacrylate and an acidic substance and a basic substance are contained as the stabilizer.In the curable composition of the invention, powder of organic or inorganic compound can be stably dispersed into the composition by the combined use of the acidic substance and the basic substance, thereby providing desired properties with ease while giving excellent storage stability and maintaining the instantaneous curing property of the composition. The curable composition can generally be used as adhesives, coating agents, paints, potting agents, etc.

Abstract: Novel triorganostannyl derivatives of deoxynucleosides or deoxynucleotides of the general formula: ##STR1## wherein R.sup.1 is an alkyl or aryl group, R.sup.2 is a protecting group, R.sup.3 is a protecting group, B is a base residue which may have a protecting group, and n is zero or a positive integer and their amine salts are provided. They are prepared by reacting a deoxynucleoside or deoxynucleotide with either a triorganotin amide or a triorgano(alkoxy)stannane and may be useful as intermediates for the preparation of oligodeoxynecleotides.

Abstract: An adhesive composition comprises a polymerizable monomer having an acryloyl or methacryloyl group, a polymerization initiator, and at least one compound selected from the group consisting of chlorophyll, metal-substituted chlorophyll, cylorophyllin salt and phthalocyanine complex unsubstituted or substituted on a benzene nucleus thereof. The adhesive composition anaerobically cures at room temperature, rapidly adheres to various materials, and has a long pot life even under a hot and humid environment.

Abstract: A method suited for producing a conductor circuit board having a high-density, fine circuit pattern. Conductor circuits and dummy circuits are formed on the surface of a planar, electrically conductive substrate, and after removing a resist mask, unnecessary dummy circuits are removed. A thin metal film is formed over the surface of the conductive substrate and the surfaces of the conductor circuits and remaining dummy circuits. An insulating substrate is superposed on the surface of the conductive substrate on which the thin metal film is formed, and the two substrates are pressure-bonded together with heat applied thereto. Subsequently, only the conductive substrate is removed, and exposed portions of the thin metal film are removed by etching.

Abstract: A process for producing spiro-orthocarbonate having glycol unit (2) is described, which comprises reacting a spiro-orthocarbonate having glycol unit (1) which is different from glycol unit (2), with a glycol having glycol unit (2) to release a glycol having glycol unit (1).

Abstract: A method for producing spiro-orthocarbonate compounds is disclosed. The method comprises reacting a cyclic carbonate compound of the following formula with an epoxy compound containing an epoxy group: ##STR1## wherein R is an alkylene group or a substituted alkylene group. The disclosed method makes it easy to commercially produce spiro-orthocarbonate compounds in a one stage reaction. The starting materials can be easily handled without any hygienic difficulties and the method can be carried out without entailing any operational difficulties.

Abstract: A cyanoacrylate composition suitable as cyanoacrylate adhesives for bonding porous materials, shaping material and fingerprint detectors comprises a 2-cyanoacrylate as a main component and at least one of crown ethers, polyalkylene oxides and derivatives of the polyalkylene oxides as a curing accelerator and at least one of hydrophobic silicas.

Abstract: A coating composition comprising (a) an imine obtained by reaction of an organic silicon compound having an aminoalkyl group and at least one alkoxy group with an organic carbonyl compound, (b) a compound having at least one oxirane ring, and optionally (c) a compound having at least one acryloyl or methacryloyl group.

Abstract: A primer comprising at least one member selected from organometallic compounds, natural resins and synthetic resins and at least one fluorine-containing compound of a specific type, which is particularly useful in bonding non-polar or highly crystalline substrates together or bonding another material to the resin substrate.

Abstract: A primer comprising an organometallic compound and an organic polymer, which is useful in bonding non-polar or highly crystalline resin substrates together or bonding said resin substrates and another material, such as a solid material, a coating material, paint or printing ink by using a 2-cyanoacrylate.

Abstract: Novel phosphorsulfide derivatives of deoxynucleosides or deoxynucleotides are provided, which have the general formula: ##STR1## wherein R.sup.1 is a hydroxy-protecting group; R.sup.2 is a phosphate-protecting group; R.sup.3 is an aryl group; B.sub.1 and B.sub.2 may be the same or different and each are a base residue which may have a protecting group; and n is zero or a positive integer, provided that if n is 2 or larger, the respective R.sup.2 may be the same or different. They are prepared by reacting a deoxynucleoside or deoxynucleotide with a 1,2,4-triazolylphosphine compound and are useful as intermediates for the preparation of oligodeoxy-nucleotides.

Abstract: Fingerprint developers are made of woven or non-woven fabric of hydrophobic synthetic fibers which is impregnated with a 2-cyanoacrylate. The synthetic resin for the fibers may be polyethylene, polypropylene and the like. This developer is placed in a closed vessel together with an article suspected of containing a latent fingerprint with or without a cup of hot water. Rapid development of fingerprints is possible.