Abstract: Gravure ink binder for paper comprising the reaction product of (a) cyclopentadiene, (b) .alpha.,.beta.-ethylenically unsaturated dicarboxylic acid or anhydride thereof, (c) resin acid and (d) metal compound, and having a softening point of 130.degree. C. to 240.degree. C. and acid value of not more than 100. The binder provides gravure inks for paper excellent in drying property and gloss.

Abstract: A process for preparing a stable aqueous dispersion of rosin-base material by dissolving in a water-immiscible organic solvent a rosin-base material composed of 0 to 95 wt. % of rosin and 100 to 5 wt. % of an adduct of rosin and .alpha.,.beta.-unsaturated carboxylic acid or anhydride thereof, dispersing the organic solvent solution in water in the presence of a dispersant and removing the organic solvent from the resulting emulsion, the process being characterized in that the dispersant in an alkali metal salt of a half alkyl sulfate.

Abstract: Novel cationic amino resins having a weight average molecular weight of at least 400 and an amine value of 20 to 700 and processes for producing the same characterized (a) by subjecting to thermal polymerization an alicyclic conjugated polyene compound having an alicyclic ring of 5 to 7 carbon atoms and an ethylenically unsaturated amino compound at 170 to 300.degree. C.; (b) by subjecting to thermal polymerization an alicyclic conjugated polyene compound having an alicyclic ring of 5 to 7 carbon atoms and an .alpha.,.beta.-ethylenically unsaturated nitrile at 170 to 300.degree. C. to prepare a copolymer containing a nitrile group and hydrogenating the copolymer to reduce the nitrile group.

Abstract: A hydrogenated copolymer of a cyclopentadiene and an ethylenically unsaturated ester having a softening point of up to 150.degree. C, an iodine value of 0 to 50, a saponification value of 4 to 330, a number average molecular weight of 200 to 800 and a ratio of weight average molecular weight to number average molecular weight of 1 to 2.5; and a hotmelt composition and pressure sensitive adhesive composition containing the above hydrogenated copolymer as a tackifier.

Abstract: Printing ink binders comprising a reaction product of (a) rosin, (b) .alpha.,.beta.-ethylenically unsaturated carboxylic acid-modified petroleum resin, (c) resol type phenolformaldehyde pre-condensate and (d) polyhydric alcohol, which have an acid value of not more than 30, a softening point of not less than 140.degree. C., a viscosity of a 33% by weight linseed oil solution of not less than Y by Gardner-Holdt bubble viscometer at 25.degree. C. and a tolerance to high-boiling aliphatic hydrocarbon of not less than 5. The reaction products have high softening point and high solubility to solvents, and are useful as binder resins for printing ink. The reaction products in the presence of cyclopentadiene polymer also provide excellent ink binders which have a higher softening point.

Abstract: A resin having a formula of ##SPC1##Wherein each of R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 is hydrogen or methyl group, each of R.sup.7, R.sup.8, R.sup.9 and R.sup.10 is hydrogen, alkyl group having 1 to 6 carbon atoms or phenyl group and X is -CN, -CONH.sub.2, -COOM or -COOR.sup.a, M being hydrogen, -NH.sub.4 or alkali metal, R.sup.a being alkyl group having 1 to 4 carbon atoms; and a method for manufacturing the same, said resin being usable as substitutes for resin and its derivatives.

Abstract: Amide-containing polymer is reacted with polyalkyleneimine in an aqueous medium to form a water-soluble cationic resin which is a treating agent useful for fibrous materials. The adduct of halohydrin to the water-soluble cationic resin is a water-soluble cationic thermosetting resin and is also useful for treating fibrous materials. The treating agent has excellent retention ability to fiber, drainage property and storage stability and remarkably improves the retention of fillers and wet and dry strength of paper.

Abstract: Amide-containing cationic copolymer is reacted with polyalkyleneimine in an aqueous medium to form a water-soluble cationic resin which is a treating agent useful for fibrous materials. The adduct of halohydrin to water-soluble cationic resin is a water-soluble cationic thermosetting resin and is also useful for treating fibrous materials. The treating agent has excellent retention ability to fiber, drainage property and storage stability and remarkably improves the retention of fillers and wet and dry strength of paper.

Abstract: An amido-containing resin which comprises an aminolysis reaction product ofA. a reaction product of (a) a benzene compound and (b) an alicyclic compound, andB. an amino-containing compound, said aminolysis reaction product containing one amido group and one carboxylate group in the molecule; compositions containing the above amido-containing resin which are particularly useful for sizing agent and emulsifier for producing synthetic rubbers by emulsion polymerization.