Abstract: A photoconductive phthalocyanine composition is disclosed, comprising (A) a photoconductive phthalocyanine composition comprising 100 parts by weight of an unsubstituted phthalocyanine derivative and from 0.001 to 5 parts by weight of a nitro- or halogen-substituted phthalocyanine derivative and (B) from 0.01 to 10 parts by weight, per 100 parts by weight of the photoconductive phthalocyanine composition (A), of a phthalocyanine derivative having at least 4 electron attracting groups. A photosensitive layer formed of the photoconductive phthalocyanine composition produces digital signals whether input light is digital or not. It is useful as not only a photoreceptor for digital recording system of electrophotography but a photoreceptor for analogue light input in conventional PPC to provide a high quality image with sharp edges.

Abstract: A plastic bumper for an automotive vehicle, of the type having so-called floating ribs for the purpose of weight-lightening and preventing surface sinkage due to resin shrinkage. The bumper is formed of a composition comprising (a) propylene-ethylene block copolymer in an amount ranging from 51 to 60 weight %, the block copolymer containing a content soluble in xylene at ordinary temperature, the content ranging from 3 to 8 weight %, and ethylene in an amount ranging from 3 to 8 mol %, the block copolymer having a MFR ranging from 20 to 40 g/10 min; (b) ethylene-propylene based copolymer rubber in an amount ranging from 20 to 30 weight %, the copolymer rubber having a MFR ranging from 0.1 to 2 g/10 min; and (c) talc in an amount ranging from 17 to 25 weight %, said talc having an average particle size ranging from 1.0 to 2.5 .mu.m. Additionally, the composition has (I) a flexural elastic modulus (at 23.degree. C.) not lower than 17000 Kg/cm.sup.2, (II) an Izod impact value (at -30.degree. C.

Abstract: A hydroxy-substituted poly(phenylene ether) resin can be produced by copolymerizing from 1.5 to 8 mol % of a phenol compound selected from those represented by the following formulae (a), (b), (c), (d), and (e): ##STR1## and from 98.5 to 92 mol % of a phenol compound of the following formula (f): ##STR2## The hydroxy-substituted poly(phenylene ether) resin shows excellent compatibility with a polyamide, a polycarbonate, a poly(butylene terephthalate), a poly(phenylene sulfide), and is useful as a copatibilizer or a modified resin for engineering plastics.

Abstract: A compounds represented by the formula ##STR1## wherein X represents a fluorine atom,W represents an oxygen atom, sulfur atom or group --OCH.sub.2 --,Z.sup.1 and Z .sup.2 each represent a nitrogen atom or group CH, but when Z.sup.1 is a nitrogen atom, Z.sup.2 represents a nitrogen atom or group CH and when Z.sup.1 is a group CH, Z.sup.2 represents a nitrogen atom,R.sup.1 and R.sup.2 each independently represent either a hydrogen atom, halogen atom or mono- or dilower alkyl-substituted amino, or a lower alkyl, lower alkoxy or lower alkylthio each of which may be substituted with a halogen atom,R.sup.3 and R.sup.4 form together with the carbon atoms to which they bind respectively a 5- to 8-membered carbon ring.

Abstract: An agricultural film comprising a thermoplastic resin film containing an ethylene copolymer with a hindered amine in its side chain and having coated thereon an anti-fogging agent comprising an inorganic hydrophilic colloidal substance and a hydrophilic organic compound and an anti-fogging agricultural film comprising a thermoplastic resin film containing an ethylene copolymer with a hindered amine in its side chain and, if desired, further containing a hydrotalcite compound, with an anti-fogging agent coated on the inside surface thereof or incorporated therein. The agricultural films have excellent weather resistance, anti-fogging properties, heat-retaining properties, and transparency.

Abstract: An image-bearing member suitable for carrying an electrostatic image and/or a toner image is formed by forming a surface layer on a substrate or a photosensitive layer. The surface layer comprises a high-melting point polyester resin shows a good dispersibility of the cured resin to provide to provide a durable layer in combination with the cured resin, whereby the surface layer provides an image-bearing surface suitable for electrophotography. The surface layer may be a protective layer or a photoconductive layer when it constitutes a photosensitive member.

Abstract: There is disclosed a novel .gamma.-carboxyglutamic acid, a method for preparing the same and a method for preparing Gla.sup.17 human osteocalcin and Glu.sup.17 human osteocalcin or salts of these, which comprises introducing .gamma.-carboxyglutamic acid in a peptide synthetic method of human osteocalcin by use of a protected L-.gamma.-carboxyglutamic acid represented by the formula: ##STR1## wherein n represents 0, 1 or 2, or a salt thereof.

Abstract: A process for preparing 2-hexene-1,6-dial comprising dimerizing 2-propenal in the presence of an organometallic compound of the group VIII metal. The desired compound can be obtained under mild conditions with industrial advantages.

Abstract: A casting resin composition curable with an epoxy resin curing agent is described, which comprises at least one kind of an epoxy resin selected from bisphenol A diglycidyl ether and bisphenol F diglycidyl ether, a tri-functional or tetra-functional liquid epoxy resin, and an iron powder, the ratio of the iron powder being from 60 to 80% by weight to the amount of the whole resin composition. The casting resin composition can give a cured product having a high hardness and an excellent abrasion resistance.

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## werein 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: A thermoplastic resin composition comprising (a) from 10 to 90% by weight of polyphenylene sulfide and (b) from 10 to 90% by weight of hydroxyalkylated polyphenylene ether which exhibits improved compatibility between components (a) and (b) and provides molded articles having characteristics inherent to polyphenylene sulfide and polyphenylene ether, i.e., excellent mechanical strength, excellent rigidity, and good appearance.

Abstract: There is provided a process for preparing a laminate, comprising the step of adhering a layer of an olefin polymer and a layer of a fluororesin to each other by fusion with the aid of an adhesive polymer, the adhesive polymer being a polymerization product A prepared by copolymerizing a radical-polymerizable olefin polymer B, which is obtained by reacting an olefin polymer (a) having at least one functional group in one molecule thereof with a radical-polymerizable monomer (b) having a functional group which can react with the functional group contained in the olefin polymer (a), with a monomer (c) which comprises as essential components alkyl acrylate, alkyl methacrylate and/or a fluorine-containing unsaturated monomer and is copolymerizable with the radical-polymerizable olefin polymer B, the polymerization product A comprising from 10 to 90 wt. % of the monomer (c).

Abstract: A positive photoresist composition is disclosed, comprising (a) from 50 to 99 parts by weight of a polyhydric phenol compound which is a condensation product between a mixed phenol comprising o-cresol and at least one of 2,5-dimethylphenol and 3,5-dimethylphenol at a molar ratio of from 95/5 to 5/95 and an aldehyde and (b) from 1 to 50 parts by weight of a quinone diazide compound. The composition is excellent in sensitivity, resolving power, heat resistance, and resistance to dry etching.

Abstract: A molded product for colored food, comprising (A) 0.01 to 1 part by weight of a hindered amine type light stabilizer and (B) 0.01 to 0.5 part by weight of an aromatic phosphite type and/or an aromatic phosphonite type antioxidant formulated per 100 parts by weight of a polyolefin containing substantially no phenol type antioxidant is disclosed.The molded product for colored food made of a polyolefin and having the composition of the present invention undergoes no discoloration even when contacted with a colored food for a long time and is also excellent in odor characteristic, mechanical characteristics and stability, etc., and therefore excellent as molded product for colored food, particularly sealed vessel, vessel for microwave oven heating.

Abstract: A process for producing a foam comprising subjecting a foaming composition to foaming conditions, said foaming composition comprising (A) from 1 to 99% by weight, based on the total weight of (A) and (B), of a random copolymer comprising units derived from propylene, from 0.1 to 15 mol % of units derived from a non-conjugated diene represented by formula (I): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, and R.sup.5 each independently represents a hydrogen atom or an alkyl group having from 1 to 8 carbon atoms; and n represents a number of from 2 to 10, and, if desired, up to 4 mol % of units derived from ethylene, said random copolymer having a degree of crystallinity of at least 20% as measured by X-ray diffractometry, a melt flow rate of from 0.01 to 200 g/10 min as measured according to ASTM D1238-1986, and an elastic modulus of from 1,000 to 15,000 kg/cm.sup.2 as measured according to JIS K-7203, and (B) from 99 to 1% by weight, based on the total weight of (A) and (B), of a homopolymer of an .

Abstract: A heat resistant composite film is described, which comprises (I) a thermoplastic film and (II) a cured layer of a thermosetting resin composition comprising (A) 100 parts by weight of an aliphatic diamine having a spiroacetal ring, (B) from 5 to 150 parts by weight of an ester derived from maleic acid and an alcohol represented by formula (I), and (C) from 20 to 250 parts by weight of an ester derived from a tetracarboxylic acid and an alcohol represented by formula (I),R.sup.1 --(OR.sup.2).sub.n --OH (I)wherein R.sup.1 represents an alkyl group having from 1 to 4 carbon atoms; R.sup.2 represents an alkylene group having from 2 to 4 carbon atoms; and n represents 0 or an integer of from 1 to 3. The composite film is resistant to temperatures of 150.degree. C. or higher while exhibiting flexibility.

Abstract: A conductive paste composition is described, which comprises an epoxy resin having a diglycidylamino group, a resol type phenol curing agent, and copper powder. The paste composition exhibits excellent moisture resistance and adhesion and provides a cured film of high conductivity level.

Abstract: Disclosed is a process for preparing a polyhydroxyphenylene ether resin which comprises copolymerizing a phenol-substituted compound having hydroxyl group as a substituent, represented by the formula (I): ##STR1## wherein m and n each represents an integer satisfying the formulae 1.ltoreq.m and m+n.ltoreq.4; J represents {(HO).sub.a --R.sup.1 --S}.sub.b --R.sup.2 -- where a and b each represents an integer of 1 to 6; and R.sup.1 and R.sup.2 each represents unsubstituted or halogen-substituted alkylene, alkenylene or arylene, or alkylene; K represents halogen, primary or secondary alkyl, alkenyl, phenyl, aminoalkyl, haloalkyl, hydrocarbonoxy or halohydrocarbonoxy;with at least one phenol-substituted compound represented by the formula (II): ##STR2## wherein Qs each represents hydrogen, halogen, primary or secondary alkyl, alkenyl, aromatic, aminoalkyl, haloalkyl, hydrocarbonoxy or halohydrocarbonoxy,and a resin composition containing the polyhydroxyphenylene ether resin prepared by the above method.

Abstract: A process for producing a polyhydroperoxy aromatic compound by oxidation of an aromatic hydrocarbon, e.g., 4,4'-diisopropylbiphenyl and 4,4'-diisopropylnaphthalene, with molecular oxygen is disclosed, in which the oxidation is carried out in the presence of a metal ion selected from cobalt, nickel, zinc and lead ions. Even in using a reaction apparatus made of an iron-containing metal generally employed in industry, a high conversion of secondary alkyl groups can be reached, and the desired polyhydroperoxy aromatic compound can be obtained in a high yield.

Abstract: There is disclosed an organic nonlinear optical material which comprises a polymer having the following constitutional units, in amounts of 5 to 100 mole % of (I) and 0 to 95 mole % of (II), and a weight average molecular weight (Mw) of the polymer being 10,000 to 2,000,000. ##STR1## wherein the symbols represent the same meanings as defined in the specification. ##STR2## A nonlinear optical element has large nonlinear optical effect and yet is excellent in molding processability so that it can be widely applied to the filed of optical processings.