Abstract: An adhesive composition comprising100 parts by weight of a block copolymer (a) containing of at least one polymer block composed mainly ofa vinyl aromatic hydrocarbon and at least one polymer block composed mainly of butadiene in which(i) the vinyl aromatic hydrocarbon content [S] is 10 to 30% by weight,(ii) the 1,2-vinyl content of butadiene portion [V] is 20 to 50%, and(iii) the relationship between said vinyl aromatic hydrocarbon content [S] and said 1,2-vinyl content of butadiene portion [V] satisfies the formula,:40.ltoreq.[S]+[V].ltoreq.7040 to 200 parts by weight of a tackifier (b), and, optionallyvarious stabilizers, and a process for producing said composition.

Abstract: Water-dilutable printing ink binder system based on a binder in the form of a clear, dilute, ammoniacal or amine-containing solution, the binder being a product of reacting a natural resin acid and formaldehyde in at least one stage, the amount of (100% strength) formaldehyde being 1 to 25% by weight, based on the natural resin acid, and the reaction having been carried out under atmospheric or superatmospheric pressure in the absence or in the presence of 0.1 to 2% by weight of a Lewis catalyst. A variant comprises partially esterifying the natural resin acid/formaldehyde reaction product with at least one polycarboxylic acid unit of the group (a) an ethylenically unsaturated dicarboxylic acid and/or the anhydride thereof and (b) a hydroxycarboxylic acid. The binder system has added to it as solubilizers monohydric and/or polyhydric alcohols, and the pH value is preferably set to 7.5 to 10.

Abstract: Polyurethanes which have been prepared or combined with another material are made by combining or applying a polyurethane-forming reaction mixture or polyurethane to another material such as a PVC foil or textile. The polyurethane-forming mixture or polyurethane is made up of an organic polyisocyanate, a high molecular weight isocyanate reactive material, a catalyst and a stabilizer against thermolysis and contact discoloration. The required stabilizer is an epoxide having an epoxide equivalent weight between 57 and 10,000. Other additives commonly used in polyurethane chemistry such as blowing agents, chain extenders and surfactants may also be employed. The polyurethane composites thus produced are characterized by improved thermal stability and reduced discoloration.

Abstract: Floor care and cleaner products which can be rapidly reconstituted in water are described. The product comprises granules having an unpacked bulk density of from about 0.3 to 0.8 g/cm.sup.3 uniformly containing an alkaline builder and an alkali-soluble film-former bonded together with a water-soluble binding agent. The alkaline builder serves the dual function of a cleaner and a solubilizing agent for the film-former component.

Abstract: A water repellent composition comprising an emulsion prepared by emulsifying in water (A) a wax having a melting point of from 40.degree. to 90.degree. C. and (B) an olefin-maleic anhydride derivative in the presence of (C) a water-soluble alkaline compound and/or a nonionic emulsifier.

Abstract: In an excellent windability magnet wire wherein an insulating layer of a synthetic resin film is formed on a conductor directly or with another insulation in between and a lubricant layer is formed on the insulating layer, the lubricant layer is made of an intimate mixture of natural wax as a major constituent and thermosetting and fluorocarbon resins compounded therewith.

Abstract: The present invention relates to mixtures of water-soluble synthetic anionic polymers consisting of at least 80%-wt. acrylamide and/or methacrylamide and sizing media based on partly or totally saponified natural resins as well as the use of such mixtures in the production of paper and cardboard in order to reduce the absorbency and improve the dry strength of these products.

Abstract: Disclosed are terpolymers having a Ring and Ball softening point of 69.degree. C. to 130.degree. C. prepared from a vinyl-substituted aromatic hydrocarbon, a monoterpene hydrocarbon and a phenol. The terpolymers are useful as tackifiers in adhesive compositions.

Abstract: Synthetic rubber is thermooxidatively stabilized with guayule resin. The guayule resin imparts favorable stabilization as evidenced by minimum bulk viscosity changes and minimum gel formation, especially with styrene-butadiene synthetic elastomers prepared by emulsion or hydrocarbon solvent techniques.

Abstract: Ethylene-vinyl acetate copolymers having a melt index of 2,000 to 7,500 and containing from 10 to 22% vinyl acetate are useful in hot melt road marking compositions containing from 1 to 30% of the EVA copolymer; from 0 to 29% by weight of a binder resin; and from 0 to 5% by weight of a plasticizer, the balance of the composition typically comprising from 70 to 80% by weight of aggregates, made up of particulate materials such as sand and/or fillers and/or pigments such as calcium carbonate and titanium dioxide.

Abstract: Elastomer compositions are provided which contain high molecular weight water-insoluble humic acid humates. The compositions show improved bloom resistance in both the uncured and the vulcanized or otherwise cured state. Methods to make sponge rubber are also disclosed in which the humic acid humate is the gas producing agent. A predominantly humic acid humate containing composition maintains a clean mold, and curing an uncured article coated with the humate at elevated temperature will clean metal molds which have dirty surfaces, particularly when green coated articles are vulcanized in contact with the mold's surfaces.

Abstract: Disclosed herein is an adhesive composition which contains specific amounts of (A) an aqueous emulsion, (B) a filler and (C) a resin solution of a resinous tackifier dissolved in a solvent and/or plasticizer. The adhesive composition has a fast setting time in adhesion strength and excellent water-proofness and hence produces superb adhesion force even when applied to a fresh mortar base which has been aged insufficiently.

Abstract: Ethyl acetate is used as solvent for polymers in dental cavity liner compositions.

Abstract: The present invention is a composition comprising a polyterpene resin and at least two low molecular weight polyolefins as discussed below. The polyterpene resin preferably has a melting point of from about 60.degree. C. to about 150.degree. C. The composition contains from 15 to 40% based on the weight of the polyterpene resin of at least two polyolefin polymers selected from the group consisting of polyethylene homopolymers, polyethylene copolymers and oxidized polyethylene. There is at least one polymer selected from the group of copolymers and oxidized polyethylene.

Abstract: Elastomer compositions are provided which contain high molecular weight water-insoluble humic acid humates. The compositions show improved bloom resistance in both the uncured and the vulcanized or otherwise cured state. Methods to make sponge rubber are also disclosed in which the humic acid humate is the gas producing agent. A predominantly humic acid humate containing composition maintains a clean mold, and curing an uncured article coated with the humate at elevated temperature will clean metal molds which have dirty surfaces, particularly when green coated articles are vulcanized in contact with the mold's surfaces.

Abstract: An ink composition for a marking pen is disclosed which permits smooth writing even after a long period of standing of the pen with no cap. The ink composition comprises an organic solvent, a pigment, a resin and at least one additive selected from the group consisting of a glyceride of specified structure, and an alkylamide alcohol of specified structure and a sorbitan fatty acid ester.An erasable ink composition for writing on a writing surface such as one of resin is also disclosed, which further includes, in addition to the above, a separating agent which is a non-volatile or only slightly volatile liquid or semi-solid at normal temperatures and has a lower vapor pressure than the solvent, and is soluble in the solvent.

Abstract: Disclosed is a curable resin composition comprising (a) at least one maleimide compound selected from the group consisting of N-(alkenylphenyl)maleimide derivatives, and dimers and polymers thereof and (b) one or more kinds of epoxy resins, each having at least one epoxy group in the unit molecule thereof. The resin composition may contain, besides the above two components, an amino compound as a further component (c). The resin composition may comprise a prepolymer of any two components among the three components (a), (b) and (c) and the remaining component. The resin compositions are useful as molding materials, for the fabrication of laminates, and as varnishes, including insulation varnishes and impregnating varnishes.

Abstract: This invention discloses a rubber composition that has a high capacity for absorbing energy. This rubber composition has a Shore A hardness in the range of about 20 to about 30 and is nontoxic. Thus, it has excellent properties for use in articles that come in close proximity to humans or animals which benefit from the ability to absorb energy, such as shoe soles, gun butt pads, baseball glove insert pads, helmet liners, hammer handles, horse shoe pads, tumbling mats, and the like. The energy absorbing rubber composition of this invention comprises a mixture of a polynorbornene rubber, a plasticizer, and a resin which is incompatible with the polynorbornene.

Abstract: A novel adhesive composition effective in bonding low-energy plastic surfaces to each other which provides a tensile lap shear strength in excess of about 520 pounds per square inch gauge which comprises (1) an ethylene-vinyl ester copolymer having from about four to about 30 weight percent of a vinyl ester and a melt index of about 0.5 to about 75; (2) a tackifier selected from the group consisting of (a) a rosin, (b) a rosin ester, (c) a terpene resin, (d) a terpene-phenolic resin and (e) a rosin-modified phenolic resin; and (3) a polyethylene wax having a molecular weight of about 750 to about 3000, a penetration of about 0.25 to about 1.5, a density of about 0.93 to about 0.97, a melting point of at least about 110.degree. C. and a linearity of at least about 70 percent, said novel adhesive composition having a Ring and Ball softening point of at least about 110.degree. C.

Abstract: Ethylene-vinyl acetate copolymers having a melt index of 700 to 10000 and containing from 11 to 40% vinyl acetate are useful in hot melt systems and particularly in formulating low viscosity hot melt adhesives, preferably in binary compositions with natural or synthetic resin tackifiers. The adhesives show long open times with short setting times, and excellent adhesive properties.The EVAs are prepared by a high pressure polymerization, preferably by using chain transfer agent such as isobutylene to achieve high melt indices.

Abstract: The invention relates to aqueous dispersions based on a polyurethane synthetic resin which has been obtained by reacting a hydroxyl-containing unsaturated polyester with a diisocyanate and reacting the product with a dihydroxycarboxylic acid, dihydroxysulfonic acid, diaminocarboxylic acid or diaminosulfonic acid, neutralizing the intermediate product with a tertiary amine and transferring it into an aqueous phase, and then reacting the terminal isocyanate groups with a primary and/or secondary diamine, as a chain-lengthening agent. The dispersions contain hydrolyzed shellac as second binder component. They produce coatings having excellent solvent resistance and excellent adhesion, even to difficult substrates.

Abstract: Method and composition for protecting, maintaining and repairing paved surfaces utilizing a workable fiber-containing asphalt and/or latex emulsion in combination with an active amount of a water-soluble polymer material differing in ionic characteristics from the emulsion or emulsifier component thereof.

Abstract: The invention is directed to a compounded thermoplasticized gutta percha or balata and isoprene polymer resin, for filling a dental root canal in an efficient and convenient manner, and a method for preparing the same.The compounded resin includes gutta percha or balata and isoprene polymer and compounding materials including paraffin wax, adapted to compound the gutta percha or balata and isoprene polymer such that they plasticize at a relatively low temperature in the range of 40.degree. C. to 60.degree. C. The use of gutta percha or balata and isoprene polymer, and the relatively low plasticizing temperature, enable the compounded resin to be injected into a prepared dental root canal for filling thereof in an efficient and convenient manner.The method for preparing the compounded resin includes combining, heating and mixing gutta percha or balata and isoprene polymer and the compounding materials to a relatively low temperature in the range of 40.degree. C. to 60.degree. C.

Abstract: There is disclosed the use of decarboxylated rosins as total or partial replacements for oil in rubber formulations. Vulcanizate properties, low temperature performance, and processibility are comparable when using either the decarboxylated rosins or an aromatic extending oil, however, the decarboxylated rosin extended rubber demonstrates improved abrasion resistance.

Abstract: There is provided a stabilized aqueous base tackifier composition characterized by the presence in an aqueous medium of a resinous tackifier composition having an acid number in the range from 30 to 150 and a softening point in the range of from -40.degree. to 150.degree. C., a minor amount of a nonionic or anionic surfactant and a minor amount of an elastomeric latex. There is also provided a method of stabilizing an emulsifiable tackifier composition which comprises adding to such composition, a minor amount of a surfactant and a minor amount of an elastomer.

Abstract: A pressure sensitive adhesive composition comprising (A) a polyether having at least one silicon-containing hydrolyzable group, having an average molecular weight of 300 to 30,000 and having a principal chain which is essentially constructed with the chemically bonded recurring units:--R.sup.1 --O--wherein R.sup.1 is a divalent alkylene group and (B) a tackifier; said tackifier being admixed with the polyether in an amount of 10 to 140 parts by weight per 100 parts by weight of said polyether. From the composition a pressure sensitive adhesive product having good adhesive properties can be prepared substantially without a solvent.

Abstract: A hot melt composition is provided which comprises (1) a hydrogenated resin (II) having a softening point ranging from 50.degree. C. to 140.degree. C., said hydrogenated resin (II) being prepared by hydrogenating a copolymer resin (I) obtained by copolymerizing 20 to 60 wt % of a component (A) selected from the group consisting of five-member cyclic compounds each having a conjugated double bond and represented by the general formula (A) given below and Diels-Alder addition products thereof (A):GENERAL FORMULA (A): ##STR1## wherein H is hydrogen; R is an alkyl group having from 1 to 3 carbon atoms; m and n are zero or integers of not less than 1 and are in the relation of m+n=6;with 25 to 70 wt % of a codimer (component B) of said five-member cyclic compound and an aliphatic conjugated diolefin having 4 to 5 carbon atoms and 2.

Abstract: Hot melt adhesive compositions are prepared from ethylene copolymers, atactic polypropylene, tackifying resins and optional additives. The adhesives are non-pressure sensitive and are characterized by high cohesive strength, strong tack, and good heat, creep and cold resistance. In accordance with the preferred embodiment, the adhesives are formulated so as to be particularly adaptable for use in the construction of disposable diapers of the multi-line construction variety.

Abstract: A composition for the manufacture of hot-melt adhesives, in which the improvement comprises a terpolymer of ethylene having a melt index between 5 and 500 dg/minute and comprising from 1 to 10 mol % of units derived from an ester selected from alkyl acrylates and methacrylates, the alkyl group having from 1 to 6 carbon atoms, and from 0.3 to 3 mol % of units derived from maleic anhydride. The composition also contains at least one tackifying resin and may contain at least one compound selected from paraffin, microcrystalline polymeric wax, and esters of a hydrogenated rosinic acid and of a lower alcohol.

Abstract: Aqueous compositions, suitable for printing, are described which have a high volume solids content. They comprise primary polymer particles and a secondary polymer which provides temporary adherence of the particles to a substrate before the primary polymer is fused by a heating step, in a printing process, in order to cause permanent adherence. There are advantages over the use of organic solvent-based and other aqueous compositions, such as easier cleaning, low toxicity/fire hazard and lower cost.

Abstract: A process for the preparation of a modified hydrocarbon resin free of indene. This resin is suitable for use as a binder in a printing ink. It is made from a hydrocarbon resin which is relatively unsuitable for use as a binder in a printing ink.

Abstract: A marine antifouling coating composition comprises an acrylic resin such as methyl methacrylate in the range of from 6 to 20% by weight, a polysiloxane having substituted thereon tributyltin moieties that are toxic to marine organisms. The polysiloxane is in the range of from 7 to 25% by weight. The acrylic resin and polysiloxane are dissolved in a solvent in the range of from 18 to 52% by weight with the balance of the composition in the range of from 10 to 65% by weight being primarily conventional marine paint and toxicant agents for augmenting action of the tributyltin polysiloxane. Copper or copper salts that are effective for inhibiting growth of marine organisms and facilitating release of toxins can also be included.

Abstract: Tackifying resins, such as rosin esters, hydrogenated rosin esters, and terpene resins, are used as promoters for silica-filled rubber compositions to improve the physical properties, such as tensile, hysteresis, etc., of the rubber.

Abstract: Compatible blends of polymers are disclosed which contain (a) a high density ethylene polymer or an isotactic propylene polymer, (b) a copolymer of ethylene and an alkyl ester of acrylic or methacrylic acid or vinyl acetate, (c) an ionomer resin, and (d) a tackifying resin such as a terpene resin.

Abstract: Storage stable epoxy resin powder coating compositions are disclosed, which contain a solid epoxy resin and, as hardening agent, a blocked polyisocyanate compound or isocyanate terminated polymer, wherein the blocking agent is an imidazoline compound.

Abstract: The addition of an alkaline earth metal resinate to methacrylate polymer concrete mix can produce a wet concrete with good workability.

Abstract: A non-toxic liquid stabilizer comprising, (a) from about 5 to about 35 percent of zinc resinate, (b) from about 5 to about 35 percent of calcium resinate, (c) from about 10 to about 40 percent of non-toxic plasticizer, (d) from about 1 to about 10 percent of a non-toxic antioxidant, and (e) from about 25 to about 75 percent of a non-toxic phosphite, said stabilizer containing from about 0.1 to about 3.5 percent zinc, and from about 0.025 to about 2.28 percent calcium, all weights being based upon the total weight of the stabilizer, is disclosed. Also disclosed is a similar stabilizer which does not contain phosphite and contains from about 25 to about 90 percent of the plasticizer. A method for stabilizing halogenated hydrocarbon resins utilizing the stabilizers of the present invention is also disclosed.