Abstract: The present invention relates to a graphic arts film obtained by forming a toner image on a light-transmitting base sheet having a toner-adhesive and ink-repellent coating layer, then fixing the toner image and applying ink onto the surface of the base sheet to thereby selectively enhance the optical density of the toner image area on the coating layer, and a method of preparing the same.The present invention permits easy and inexpensive production of a graphic arts film having a sufficiently enhanced optical density, free from pin-holes and capable of being retouched with respect to the image formed thereon.

Abstract: Provided are coating-forming coating compositions comprising the following components A and B, preferably further including the following component C and/or D, and having superior surface hardness, abrasion resistance, flexibility, dyeability and durability, as well as coatings formed by curing such coating compositions:A. A vinyl polymer having a group represented by the general formula R.sup.1.sub.m (R.sup.2 O).sub.3-m Si- wherein R.sup.1 is methyl or ethyl, R.sup.2 is an alkyl, alkoxyalkyl or acyl group having not more than 4 carbon atoms, with silicon being attached to the polymer by Si-C bond, and m is 0, 1 or 2.B. Fine particles of silica having an average diameter of particles in the range of about 1 to about 200 nm.C. A curing catalyst.D. At least one compound selected from the group consisting of acrylic resins, polyester resins, alkyd resins, epoxy resins, cellulose resins, amino resins and silicon compounds represented by the general formula R.sup.5.sub.a R.sup.6.sub.b Si(OR.sup.7).sub.

Abstract: Provided is a polyether-ester-amide consisting essentially of about 5 to 50 weight percent of polaymide segment (A) and about 95 to 50 weight percent of polyether ester segment (B), and having a melting point not lower than 160.degree. C., a Shore hardness in the range of 80A to 45D, a tensile modulus in the range of 100 to 1,000 kg/cm.sup.2 and an elastic recovery at 50% elongation of not less than 70%,said polyamide segment (A) having been obtained from:a C.sub.6 -C.sub.20 aliphatic diamine (A-1); andat least one dicarboxylic acid (A-2) selected from the group consisting of C.sub.6 -C.sub.15 aliphatic dicarboxylic acids, terephthalic acid and hexahydroterephthalic acid, provided the total number of carbon atoms of said diamine and said dicarboxylic acid is not less than 16,said polyether ester segment (B) having been obtained from:a poly(alkylene oxide) glycol (B-1) having a ratio of carbon atom number to oxygen atom number of not smaller than 2.

Abstract: In producing interferon by treating animal cells proliferated on a microcarrier with an interferon inducer, the cells on the microcarrier are treated with a negatively charged water-soluble macromolecular material.

Abstract: Provided is an antithrombogenic biomedical material comprising a copolymer of (A) not less than 5% by weight of one or more polymerizable monomers having a polyethylene oxide unit with a degree of polymerization not less than 5 and a polymerizable carbon-carbon double bond and (B) not more than 95% by weight of one or more monomers copolymerizable with said monomer (A).

Abstract: A mixture of xylene isomers containing ethyl benzene is contacted with a catalyst comprising a mordenite type zeolite and rhenium or phosphorus in the presence of hydrogen to isomerize xylenes and at the same time dealkylate ethyl benzene into mainly benzene.

Abstract: Provided is a process for isomerizing a halogenated toluene using an acid form of zeolite as a catalyst.

Abstract: Provided is a presensitized planographic printing plate requiring no dampening water for use in negative work which comprises a base substrate, a photosensitive layer secured to and overlying the base substrate, and containing an orthoquinonediazide compound and having a content of ethanol-soluble component not higher than 20% by weight, and a silicone rubber layer overlying the photosensitive layer through bonding component. When the printing plate is exposed through a negative film and then treated with a developer, the photosensitive layer in the exposed image areas is dissolved and the corresponding portion of the silicone rubber layer is also removed easily and is obtained image as an exact reproduction of the negative film. Dampening water is not required when printing is carried out.

Abstract: A feed containing a mixture of at least two alkylphenol isomers is contacted with a zeolite adsorbent to allow an alkylphenol isomer in the mixture to be selectively adsorbed on the adsorbent, and then the adsorbent is contacted with an aliphatic ketone desorbent to desorb the adsorbed isomer.

Abstract: Disclosed is process for producing a bundle of fibrous elements, at least some of which are uneven in the thickness in the axial direction thereof, namely some of which include thick portions having a larger sectional area and thin portion having a smaller sectional area. In these fibrous elements constituting the fibrous bundle, the thick portions have, in general, a higher dyeability than the thin portions, and in the fibrous bundle, these higher dyeability portions are formed substantially randomly at a distribution ratio of at least 300 portions per 10 cm of the length of the fibrous bundle. This fibrous bundle is characterized in that it apparently resembles a fibrous bundle composed of fibrous elements uniform in the thickness and dyeability.

Abstract: Woven or knitted fabrics of soft touch and elegant appearance composed of yarns including bundles of superfine fibers of less than 0.7 denier which are at least partly bound with a cured silicone polymer.

Abstract: This invention relates to a thermal-fusible tape used to adhere two fabrics together, and used especially to hem slacks.The adhesive tape of the present invention consists of a warp knitted tape, and at least one thermal adhesive thread which longitudinally extends the width of several wales of the warp knitted fabric in each edge portion of said tape and said thread is positioned on one or both surfaces of said warp knitted fabric.

Abstract: In the separation of cyclohexene from a feed which contains cyclohexene and cyclohexane, the feed is contacted with a type X and/or type Y aluminosilicate zeolite, thereby adsorbing cyclohexene selectively on the zeolite, and then the zeolite which adsorbed cyclohexene is contacted with a trimethylbenzene to desorb cyclohexene.

Abstract: Cellulose derivative reverse osmosis membrane containing tetracarboxylic acid and mono- or divalent carboxylic acid.

Abstract: A novel aliphatic triisocyanate, 1,6,11-undecanetriisocyanate having the formula, ##STR1## is produced by phosgenation of 1,6,11-undecanetriamine or its salts. The phosgenation is carried out in one step method or a multi-step method.

Abstract: A composite sheet material comprising a fibrous sheet which is impregnated and/or coated with a polyurethane elastomer, wherein said polyurethane elastomer comprises the reaction product of(A) a polymeric diol having a molecular weight of about 800-5000,(B) an organic polyisocyanate, and(C) a chain extender comprising a low molecular weight organic diol, and if desired,(D) a chain terminator; wherein more than 2 mol % of (C) and/or (D) comprise a hindered amine compound having the formula I ##STR1## wherein R.sup.1 is a substituent selected from the group consisting of hydrogen, oxygen, an alkyl group containing 1-12 carbon atoms, an aralkyl group containing 7-18 carbon atoms, an acyl group containing 1-12 carbon atoms, --(R.sup.5 O).sub.n H and --(COR.sup.6 CO.sub.2 R.sup.7 O).sub.m --H, wherein R.sup.5 is an alkylene group containing 1-12 carbon atoms, R.sup.6 is a residue of an alkenyl group containing 2-12 carbon atoms, an organic dicarboxylic acid containing 2-12 carbon atoms, R.sup.

Abstract: Negative resist materials comprising soluble, film-forming polymers with side branches containing vinyl silyl groups are used for pattern generation on exposure to high energy radiation such as electron beams or X-rays.

Abstract: An improved process for manufacturing high-grade and high-quality graphite fibers by the steps of (a) heating carbon fibers from acrylic fibers in an initial heating zone while exposed to an atmosphere of inert gas having a maximum temperature from about 1700.degree. C. to 1900.degree. C., and (b) then heating the resulting fibers in a subsequent heating zone while exposed to an atmosphere of inert gas having a maximum temperature from 2300.degree. C. to 2700.degree. C.

Abstract: Provided are polyamides having properties which make them useful as adhesives, sizing agents, paper strength enhancers and as resins. These polyamides are prepared by heating an alpha-(N,N-disubstituted amino)-E-caprolactam, alone or in combination with one or more comonomers, in the presence of an anionic polymerization catalyst, and are characterized by a repeating unit reprsented by the formula ##STR1## wherein R and R' are each a lower alkyl group or a cyclic amine residue, and also having a relative viscosity of at leasrt 1.5.

Abstract: A highly rigid poly-.epsilon.-caproamide composition containing about 50 to 5000 ppm of barium combined with the poly-.epsilon.-caproamide, and having a .gamma.-type crystal ratio of about 0.3 to 0.7 is disclosed. The polyamide has improved rigidity without loss of other advantageous mechanical properties of poly-.epsilon.-caprolactam. By addition of an aluminum compound, the rigidity of the composition can be further improved. A bisamide compound may be added to provide excellent mold release without harming the mechanical properties of the composition.