Abstract: This invention relates to an acceleration sensor system having a self-checking operation of an air bag safety system while a vehicle is being driven. An acceleration sensor element suitable for self-checking while a vehicle is driven is obtained by a planar piezoelectric element supported so that it can vibrate, a detecting electrode provided on an upper face of the planar piezoelectric element, and an actuator to add vibrations at a predetermined frequency to the planar piezoelectric element. A sensitivity checking circuit generates a sensitivity checking signal representing sensitivity of an acceleration sensed from a detected signal. A signal processing circuit generates an acceleration signal representing the applied acceleration to the acceleration sensor from the detected signal.

Abstract: A process for producing a resin compound applicable to precise electronic parts, especially sliding member from thermoplastic engineering plastics is disclosed, comprising compounding (I) a carbon masterbatch comprising polyethylene having a density of not less than 0.92 g/cm.sup.3 and an MI of from 0.1 to 30 g/10 min, conductive carbon black, and talc and (II) a thermoplastic engineering plastic. The carbon black is satisfactorily dispersed to impart satisfactory heat conductivity to a molded article to thereby providing a sliding member with little wear and long durability.

Abstract: A non-crystalline ether-imide type high purity bismaleimide composition represented by formula (I): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, and R.sup.4 each represent a hydrogen atom, a halogen atom, or an alkyl group having from 1 to 4 carbon atoms; R.sup.5 represents a hydrogen atom or a methyl group; and R.sup.6 represents a hydrogen atom, a methyl group or a phenyl group. The non-crystalline bismaleimide (I) has a purity of 95 wt % or higher, a melting point of not higher than 130.degree. C., and exhibits excellent solubility in a solvent.

Abstract: A radioimmunoassay which comprises the steps of reacting a first antibody (A) on an insoluble solid, which is specific for an antigen (B); an antigen (B); and a second antibody (C) derived from an animal different from that of the first antibody (A), which binds to the antigen (B) under conditions that the concentration of the second antibody (C) is higher than the dissociation constant between the second antibody (C) and the antigen (B) to obtain an immune complex (D); reacting the immune complex (D) with a radiolabeled probe (E) and then measuring the radioactivity of the solid precipitate or the reaction mixture, to measure the quantity of antigen (B). The method provides an assay with high sensitivity which does not depend on the sensitivity of the second antibody to be used.

Abstract: A thermoplastic resin composition comprising (A) from about 10 to about 90% by weight of a hydroxyalkylated polyphenylene ether represented by formula (I): ##STR1## wherein A represents a residue of a polyphenylene ether from which a hydroxyl group is removed; and n represents an integer of from 1 to 10, and (B) from about 10 to about 90% by weight of a resin selected from a carboxyl-containing olefin resin, an epoxy-containing olefin resin, a hydroxyl-containing olefin resin, a polyamide resin, and a saturated polyester resin, provided that when (B) is the olefin resin, the hydroxyalkylated polyphenylene ether also can be represented by formula (II): ##STR2## wherein A is defined as above; X represents an oxygen atom or a nitrogen atom; R.sup.1 represents an alkylene group having from 1 to 12 carbon atoms; R.sup.2 and R.sup.3 each represents a hydrocarbon group having from 1 to 6 carbon atoms; s represents 1 when X is an oxygen atom, or 2 when X is a nitrogen atom; and t represents an integer of from 1 to 3.

Abstract: There is disclosed a thermoplastic resin composition which comprises(a) a polyphenylene ether and(b) a polyamide resin, and(c) 0.01 to 5 parts by weight of an acetal and(d) 0.01 to 5 parts by weight of a Lewis acid based on 100 parts by weight of the above (a) and (b) in total.

Abstract: A process for purifying a crude naphthalenedicarboxylic acid containing impurities and coloring substances obtained by the oxidation of a di-substituted naphthalene, dispense with the use of a large amount of alkali or acid, and producing a naphthalenedicarboxylic acid having a high purity and good color effectively and in a high recovery is disclosed, which comprises dissolving the crude naphthalenedicarboxylic acid in a mixed solvent comprising an amine compound and an alcohol and conducting crystallization.

Abstract: Disclosed is an electrophotographic receptor provided with an overcoat layer comprising a cured fluororesin and a nitrogen-containing compound selected from the group consisting of an aromatic amine antioxidant and a charge transport substance on the surface of a photosensitive layer containing a charge generating substance.

Abstract: An electrolytic solution for an electrolytic capacitor is disclosed, comprising a basic solution comprising a mixed solvent of .gamma.-butyrolactone and ethylene glycol having dissolved therein a quaternary alkylammonium salt of phthalic acid, maleic acid or benzoic acid as a solute, the basic solution further containing from 0.5 to 10 parts by weight of colloidal silica and from 0.5 to 8 parts by weight of at least one phosphorus compound selected from dialkyl phosphate and phosphorous acid, per 100 parts by weight of the basic solution. The electrolytic solution has an increased dielectric strength while retaining high conductivity.

Abstract: A process for producing an NADH oxidase which comprises culturing alkalophilic, facultative anaerobic NADH oxidase-producing bacteria having the optimum growth pH in an alkaline region in medium and collecting said NADH oxidase from the culture; and a plasmid used for the said process.

Abstract: Disclosed are processes for preparing a process for preparing a modified polyphenylene ether which comprises reacting any one of a borane compound having at least one boronhydrogen bond, an .alpha.,.beta.-unsaturated carbonyl compound or a mercaptane having a carbonyl group, a hydroxyl group or an alkoxysilyl group with a polyphenylene ether having a carbon-carbon unsaturated bond in a substituent, and optionally oxidizing the resulting borane-modified PPE under alkaline conditions.

Abstract: A plated polyamide resin article obtained by plating, with a suitable plating substance, a molded article of a polyamide resin composition is disclosed, the polyamide resin composition comprising (A) from 30 to 80% by weight of a polyamide resin, (B) from 20 to 70% by weight of a polyphenylene ether resin, (C) from 1 to 50 parts by weight, per 100 parts by weight of the sum of (A) and (B), of an impact modifier, and (D) from 0.01 to 30 parts by weight, per 100 parts by weight of the sum of (A) and (B), of a compatibilizer, in which the polyamide resin forms a continuous phase, and the polyphenylene ether resin forms a dispersed phase, with the polyamide resin having a crystallinity of from 20 to 55% with the crystalline region thereof being not less than 72% in the .gamma. crystal form. The plated article is excellent in heat resistance, impact resistance, and appearance.

Abstract: A polyolefin-based wrapping film having one or more layers which satisfies the following conditions (1) to (4):(1) the film has a thickness ranging from 6 to 100 .mu.m;(2) the film has a birefringence .DELTA.n.sub.A of from 0.6.times.10.sup.-3 to 8.times.10.sup.-3 ;(3) the film has a ratio of percent heat shrinkage in MD to percent heat shrinkage in TD of from 0.65 to 1.50 in a silicon oil bath at 140.degree. C. for 3 minutes; and(4) the film has a strain recovery of at least 18 mm,which provides excellent performance properties in stretch wrapping, especially in the area of high deformation recover.

Abstract: An epoxy resin composition comprising (a) a low-viscosity epoxy resin having a viscosity of not more than 100 poise at 25.degree. C. which contains a tri- or tetrafunctional liquid aromatic epoxy resin, (b) a liquid curing agent selected from the group consisting of an imidazole compound, the combination of a liquid alicyclic acid anhydride and an imidazole compound, the combination of a liquid alicyclic amine and an imidazole compound, (c) a metal powder having an average particle size of not more than 125 .mu.m or an inorganic powder consisted of 50 parts or more by weight of a metal powder having an average particle size of not more than 125 3/4m and less than 50 parts by weight of an inorganic filler other than a metal powder, whose average particle size is smaller than that of the metal powder, based on the total amount of the metal powder and the inorganic filler.

Abstract: A toner for electrophotography obtained by melting and kneading a kneaded material prepared by melting and kneading a domain resin and a coloring agent, a matrix resin having a low compatibility with the domain resin, and a dispersion assistant having a compatibility with both of the domain resin and matrix resin and a Izod impact value higher than the matrix resin to obtain a colored composition, followed by pulverizing and classifying the colored composition.

Abstract: A multi-layer container having at least layer A comprising a polyolefin resin having an MFR of from 0.001 to 0.5 dg/min, layer B (adhesive layer) comprising an .alpha.,.beta.-unsaturated carboxylic acid (or anhydride)-modified polyolefin resin, and layer C comprising polyamide, polyphenylene ether, a compatibilizer, and an impact modifier, in which the polyphenylene ether is finely dispersed in the polyamide matrix. The container has excellent impermeability to hydrocarbon solvents and low-temperature impact resistance and is useful particularly as a gasoline tank.

Abstract: There is disclosed a process for preparing a thermoplastic resin composition which comprises melting and kneading(A) 100 parts by weight of a resin comprising 100% by weight in total of:(a) 5 to 95% by weight of a non-crystalline thermoplastic resin,(b) 95 to 5% by weight of a crystalline thermoplastic resin,(c) 0 to 50% by weight of a compatibilizer and(d) 0 to 40% by weight of an impact modifierand(B) 1.0 part by weight or more of an organic solvent in a kneader equipped with vent ports each having a vacuum device while maintaining each vent port at reduced pressure to make an organic solvent content in a final composition less than 1.0% by weight.

Abstract: Disclosed is a polyethylene terephthalate composition comprising:(A) 100 parts by weight of polyethylene terephthalate,(B) 1 to 25 parts by weight of a bisphenol type epoxy resin having an epoxy equivalent of 1000 or less,(C) 5 to 50 parts by weight of a thermoplastic resin,(D) 0 to 10 parts by weight of a modified thermoplastic resin containing at least one epoxy group, carboxyl group or carboxylic anhydride in a molecular chain of one molecule,(E) 0.1 to 2 parts by weight of a phosphorus type stabilizer and(F) 5 to 150 parts by weight of a glass fiber,wherein the composition has thermal stability, and is small in change of physical properties such as fluidity even when the composition dwells in a molding machine for a long time.

Abstract: Disclosed is an electrolyte for an electrolytic capacitor which comprises a salt of a tertiary dicarboxylic acid represented by the following formula (I) or (II): ##STR1## wherein n represents an integer of 1 to 5, and R.sup.1 to R.sup.4 each represents an alkyl group having 4 or less carbon atoms, ##STR2## wherein n has the same meaning as defined above, l and m each represents an integer of 4 or 5, and R.sup.5 and R.sup.6 each represents hydrogen atom, methyl group or ethyl group,and an electrolytic capacitor using the same.

Abstract: A laminate film for stretch-wrapping is disclosed, comprising an intermediate layer containing from 50 to 95% by weight of an ethylene-.alpha.-olefin copolymer, a propylene-ethylene-.alpha.-olefin random copolymer, a propylene-.alpha.-olefin random copolymer, a butene-1 homopolymer, or a butene-1-ethylene copolymer and from 5 to 50% by weight of a hydrogenated block copolymer elastomer having laminated on both sides thereof a surface layer comprising from 75 to 95% by weight of ethylene and from 5 to 25% by weight of vinyl acetate. The film is excellent in stretchability, softness, tear strength, and in particular deformation recovery properties.