Abstract: A pipe coupling assembly for joining two sections of polymer pipe, the pipe coupling assembly comprising: an insert configured for positioning within an end region of a first section of polymer pipe and an end region of a second section of polymer pipe, such that an annular gap is formed between the insert and the end regions of polymer pipe; an adhesive configured for sealing the annular gap between the insert and the end regions; and an external coupler for positioning over the end regions and joining the first and second sections of polymer pipe.

Abstract: A calixarene compound represented by formula (1) below is provided. The calixarene compound contains, per molecule, at least one —CH2OH group or phenolic hydroxy group and at least one carbon-carbon unsaturated bond. R1's are a structural moiety (A), which has a —CH2OH group; a structural moiety (B), which has a carbon-carbon unsaturated bond; a structural moiety (C), which has a —CH2OH group and a carbon-carbon unsaturated bond; a monovalent organic group (D), which is different from (A), (B), and (C); or a hydrogen atom (E). R2's are (A), (B), (C), (D), or (E) provided that not all R2's are (E). R3's are one of a hydrogen atom, an aliphatic hydrocarbon group, and an aryl group, n is 2 to 10. * is a point of attachment to an aromatic ring. A curable composition including the calixarene compound is provided.

Abstract: Conjugated diene polymers such as a styrene-butadiene copolymer are sequentially brominated by reaction with a quaternary ammonium tribromide or quaternary phosphonium tribromide and halohydrated by reaction with an N-haloimide compound. This produces a brominated and halohydrated polymer with very good thermal stability. The product is useful as a flame retardant in a variety of polymer systems.

Abstract: A method of preparing graphene-coated alumina, the method including: (1) preparing a liquid polyacrylonitrile (LPAN) solution, stirring the LPAN solution at between 100 and 200° C. to yield a cyclized polyacrylonitrile solution; (2) heating the cyclized LPAN solution at between 200 and 300° C. to yield a thermally-oxidized polyacrylonitrile (OPAN) having a ladder structure; (3) mixing the thermally-oxidized polyacrylonitrile with an aluminum compound, to yield a mixture, and adding a solvent to the mixture, uniformly mixing, to yield a polyacrylonitrile-coated aluminum compound; (4) drying the polyacrylonitrile-coated aluminum compound until the solvent is evaporated, to yield a carbonized precursor-coated aluminum compound; and (5) calcining the carbonized precursor-coated aluminum compound in the presence of an inert gas flow, to yield graphene-coated alumina.

Abstract: The invention relates to a process for improving the stability of a base-modified alkylphenol-aldehyde resin (such as an amine-modified alkylphenol-aldehyde resin). The process comprises the step of reacting a base-modified alkylphenol-aldehyde resin with a salicylic acid to stabilize the base-modified alkylphenol-aldehyde resin. The invention also relates to a modified alkylphenol-aldehyde resin formed from the stabilizing process, and its use in a tackifier composition and rubber composition.

Abstract: A resin composition comprises (a) 100 parts by weight of at least one compound selected from the group consisting of phenol resins and brominated phenol resins, (b) 20 to 500 parts by weight of a crystalline olefin resin, provides that copolymers of ethylene with unsaturated carboxylic acid ester or vinyl acetate are precluded, and (c) 0 to 300 parts by weight of a non-aromatic softening agent for rubber. The resin composition is easy to handle in dynamic cross-linking of rubber or a thermoplastic elastomer to give uniform cross-linking. A cross-linked rubber composition or thermoplastic elastomer composition has improved compression set and moldability.

Abstract: The present invention provides a golf ball material which is made of an ionomer composition that includes a phenolic resin component. The invention provides also a golf ball composed of a core and a cover layer, or a core, a cover layer and at least one intermediate layer therebetween, wherein the golf ball material is used in at least one layer of the core or cover. The invention additionally provides a method for preparing the golf ball material by using (i) or (ii) below: (i) melt blending an ionomer and a phenolic resin; (ii) melt blending an ionomer base resin, a metal cation source and a phenolic resin. The golf ball material of the invention has improved properties, including rebound resilience, durability, and a higher hardness. By using this golf ball material as the material for an essential part of a golf ball, the golf ball properties can be improved.

Abstract: A method of using at least one polymerisable resin R1 is disclosed. According to some aspects, the resin R1 is selected from the group consisting of epoxidised polybutadiene resins, epoxidised polyisoprene resins, epoxidised polysiloxane resins, epoxidised triglyceride resins and epoxidised polyether resins. The resin R1 having at the non-polymerised state a total mass loss (TML) value lower than about 10%, a recovered mass loss (RML) value lower than about 10%, and a collected volatile condensable material (CVCM) value lower than about 1%, as determined in accordance with standard ECSS-Q-70-02A of the European Space Agency. The resin R1 also characterized by an epoxide equivalent weight of about 100 to 600 g/mole. The resin is configured for the manufacture of a composite material for use in space, and more specifically, a composite material of a Gossamer structure. Polymerisable resin compositions are also disclosed which are useful in the manufacture of composite materials for use in space.

Abstract: A redispersible polymer powder including: a polymer to be redispersed; and an ortho-cresol based condensation product or salt thereof; wherein the ortho-cresol based condensation product or salt thereof includes N-containing units derived from a N-based component incorporated into the ortho-cresol based condensation product or salt thereof during polymerization.

Abstract: Polyisobutenylphenol-containing Mannich adducts are prepared by a) alkylation of a phenol with highly reactive polyisobutene at below about 50° C. in the presence of an alkylation catalyst; b) reaction of the reaction product from a) with formaldehyde, an oligomer or a polymer of formaldehyde and at least one amine which has at least one secondary amino function and no primary amino function, or c) reaction of the reaction product from a) with at least one adduct of at least one amine which has at least one secondary or primary amino function and formaldehyde, an oligomer of formaldehyde, a polymer of formaldehyde or a formaldehyde equivalent, and are used as detergent additives in fuel and lubricant compositions, and additive concentrates, fuel compositions and lubricant compositions contain these Mannich adducts.

Abstract: As a rubber composition having an elasticity further increased as compared with the conventional rubber composition while preventing the lowering of the fracture resistance, there is provided a rubber composition comprising a rubber component of at least one of natural rubber and synthetic diene rubbers and a phenolic resin compounded therein and represented by the following formula (I): (wherein R0 is a hydrogen atom, an alkyl group, a phenyl group or a methylol group, and each of R1 and R2 is an arylene group, an alkylene group having a carbon number of 2-10, an aralkylene group, a cycloalkenylene group or a cycloalkadienylene group, and n is 0-10).

Abstract: A modified resorcinol resin is prepared by reacting a phenolic compound (e.g., resorcinol) with an olefinically unsaturated compound (e.g., styrene) and two types of aldehyde: a formaldehyde and an alkyl aldehyde (e.g., butyraldehyde). The reaction is typically carried out in the presence of an acid catalyst. The resulting resin has a lower softening point and can be used as a methylene acceptor compound in a vulcanizable rubber composition.

Abstract: The present invention relates to a rubber stock for bead wire compounds comprising (A) based on 100 parts by weight of rubber (1) from about 5 to about 40 weight percent of a carboxylated acrylonitrile-diene rubber having an acrylonitrile content ranging from about 15 to 45 percent by weight; and (2) from about 60 to about 95 weight percent of a non-carboxylated rubber selected from the group consisting of natural rubber, polyisoprene, polybutadiene, styrene-butadiene rubber, styrene-isoprene-butadiene rubber, styrene-isoprene rubber, isoprene-butadiene rubber and mixtures thereof; (B) from about 0.1 to about 10 phr of a methylene acceptor; and (C) from about 0.1 to about 10 phr of a methylene donor.

Abstract: The present invention provides a novel improved method for crosslinking an isoprene-isobutylene rubber, an ethylene-propylene-diene rubber containing ethylidenenorbornene as an unsaturated component, or a mixture of an isoprene-isobutylene rubber and an ethylene-propylene-diene rubber containing ethylidenenorbornene as an unsaturated component, which method comprises thermally crosslinking the above rubber or rubber mixture using an alkylphenol-formaldehyde resin, 3-(N-salicyloyl)amino-1,2,4-triazole and, as necessary, a hydrazide compound. The method can produce a crosslinked rubber product low in compression set and corrosivity to metals, without using any halogen compound as a crosslinking co-agent.

Abstract: This invention discloses a flame retarding thermoplastic resin composition, which is comprised of (i) a thermoplastic resin and (ii) a phenolic resin compound as a flame retardant, wherein the phenolic resin compound contains a nitrogen-containing heterocycle and phosphorus. Since the flame retarding thermoplastic resin composition of this invention does not contain halogen, and has excellent flame retardant properties and high heat resistance, it is useful in producing parts and products in the fields of electronics, electricity and automobile.

Abstract: The present invention provides a flame retardant phenol resin material which includes a phenol condensate, wherein a poly-aromatic compound obtained by a reaction of phenols (A) to aromatics (B) except for phenols and a heterocyclic compound (C) including nitrogen as heteroatom are condensed via aldehydes (D), and also provides a flame retardant epoxy resin material which includes an epoxy resin obtained by glycidyl-etherification of at least a part of phenolic hydroxyl groups of a poly-aromatic compound obtained by a reaction of phenols (A) to aromatics (B) except for phenols and a heterocyclic compound (C) including nitrogen as heteroatom are condensed via aldehydes (D).

Abstract: The present invention provides a method for crosslinking an isoprene-isobutylene rubber, which comprises adding, to 100 parts by weight of an isoprene-isobutylene rubber, 5 to 25 parts by weight of an alkylphenol-formaldehyde resin and 0.1 to 5 parts by weight of a hydrazide compound, or 5 to 25 parts by weight of an alkylphenol-formaldehyde resin, 0.1 to 5 parts by weight of a hydrazide compound and 0.3 to 10 parts by weight of an epoxy compound. According to this method, a crosslinked rubber product of high hardness can be obtained without using any halogen compound or increasing the amount of carbon black used.

Abstract: The present invention provides a novel method for crosslinking an isoprene-isobutylene rubber, which comprises adding, to 100 parts by weight of an isoprene-isobutylene rubber, 5 to 25 parts by weight of an alkylphenol-formaldehyde resin and 0.1 to 5 parts by weight of a hydrazide compound, or 5 to 25 parts by weight of an alkylphenol-formaldehyde resin, 0.1 to 5 parts by weight of a hydrazide compound and 0.3 to 10 parts by weight of an epoxy compound. According to this method, a crosslinked rubber product of high hardness can be obtained without using any halogen compound or increasing the amount of carbon black used.

Abstract: The present invention relates to a polyamide composition comprising (A) polyamide, (B) polyphenylene ether, and (C) an ethylene-&agr;-olefin copolymer prepared using a single site catalyst. The resin composition of the present invention can provide a polyamide composition having excellent impact resistance and excellent surface smoothness, and displaying only small dimensional changes after water absorption.

Abstract: The present invention provides a novel improved method for crosslinking an isoprene-isobutylene rubber, an ethylene-propylene-diene rubber containing ethylidenenorbornene as an unsaturated component, or a mixture of an isoprene-isobutylene rubber and an ethylene-propylene-diene rubber containing ethylidenenorbornene as an unsaturated component, which method comprises thermally crosslinking the above rubber or rubber mixture using an alkylphenol-formaldehyde resin, 3-(N-salicyloyl)amino-1,2,4-triazole and, as necessary, a hydrazide compound. The method can produce a crosslinked rubber product low in compression set and corrosivity to metals, without using any halogen compound as a crosslinking co-agent.

Abstract: The present invention provides a method for crosslinking an isoprene-isobutylene rubber, which comprises adding, to 100 parts by weight of an isoprene-isobutylene rubber, 5 to 25 parts by weight of an alkylphenol-formaldehyde resin and 0.1 to 5 parts by weight of a hydrazide compound, or 5 to 25 parts by weight of an alkylphenol-formaldehyde resin, 0.1 to 5 parts by weight of a hydrazide compound and 0.3 to 10 parts by weight of an epoxy compound. According to this method, a crosslinked rubber product of high hardness can be obtained without using any halogen compound or increasing the amount of carbon black used.

Abstract: The specification discloses a method for the manufacture of a fluorescent polyphenolic product with high UV absorbance, its subsequent epoxidation as well as polyphenolic products and epoxidized derivatives and compositions thereof. The polyphenolic products are prepared by heating glyoxal at a temperature of about 80° C. to about 100° C. with a molar excess of a phenol in the presence of an acidic catalyst which is eliminated from the reaction mixture at a temperature below about 170° C. The total mole ratio of glyoxal to phenol charged to the reaction mixture is about 0.15 to 0.22 moles of glyoxal for each mole of phenol. The glyoxal is added continuously or by stepwise additions to the phenol so as to keep the aldehyde units in the reaction mixture to less than about 70% of the aldehyde units in the total quantity of glyoxal to be charged for making the polyphenol. Water is distilled stepwise or continuously from the reaction mixture.

Abstract: The specification discloses epoxidized products and compositions of a polyphenol of a phenol and glyoxal wherein the polyphenol prior to epoxidation has an ultraviolet (UV) absorbance of at lest 0.260 at 365 nanometers (nm) and/or at least 0.400 at 350 nm.

Abstract: The specification discloses a method for the manufacture of a fluorescent polyphenolic product with high UV absorbance, its subsequent epoxidation as well as polyphenolic products and epoxidized derivatives and compositions thereof. The polyphenolic products are prepared by heating glyoxal at a temperature of about 80.degree. C. to about 100.degree. C. with a molar excess of a phenol in the presence of an acidic catalyst which is eliminated from the reaction mixture at a temperature below about 170.degree. C. The total mole ratio of glyoxal to phenol charged to the reaction mixture is about 0.15 to 0.22 moles of glyoxal for each mole of phenol. The glyoxal is added continuously or by stepwise additions to the phenol so as to keep the aldehyde units in the reaction mixture to less than about 70% of the aldehyde units in the total quantity of glyoxal to be charged for making the polyphenol. Water is distilled stepwise or continuously from the reaction mixture.

Abstract: The synthesis of star polymers having well-defined arms emanating from well-defined and readily controllable calix?n!arene (n=4 to 16) cores are described. The synthesis is particularly suitable for polyisobutylene and/or polysiloxane star polymers. The synthesis has been achieved using carbocationic and/or anionic ring-opening polymerization techniques to form polymer arms of desired molecular weights, then separately preparing the calixarene derivative core, and finally, linking the arms to the core by transesterification or hydrosilation.

Abstract: A process for hardening a composition and a hardenable composition, in wh there are used:at least one novolac resin;at least one hardener of the resin, selected from the group consisting of substituted melamines;at least one compound comprising at least one ##STR1## group, this compound being without methylol group and ether group corresponding to methylol, and/or at least one reagent capable of giving such a compound under the conditions of the hardening.The hardening of the resin is caused by the action of heat.

Abstract: The present invention provides a phenolic resin molding material high in flowability and heat stability in the molten state and excellent in curability at high temperatures which contains (a) a high ortho-novolak type phenolic resin having a number-average molecular weight of 350-500 and an ortho-bond/para-bond ratio of 1.5-2.5, (b) hexamethylene-tetramine, (c) a low-molecular polyolefin compound and (d) a filler. This phenolic resin molding material can further contain a crystalline phenolic compound having two or more benzene rings and/or a monohydric aliphatic alcohol to further improve the flowability, heat stability and curability.

Abstract: The present invention relates to a rubber stock comprising(A) based on 100 parts by weight of rubber (1) from about 5 to about 15 weight percent of a trans 1,4-polybutadiene rubber wherein at least 65 percent of its butadiene repeat units are a trans 1,4-isomeric structure; and (2) from about 50 to about 95 weight percent of cis 1,4-polyisoprene, and (3) from about 0 to about 30 weight percent of the rubber selected from the group consisting of styrene-butadiene rubber, medium vinyl polybutadiene rubber wherein from about 40 to about 60 percent of its butadiene repeat units are a 1,2-vinyl isomeric structure and a cis 1,4-polybutadiene rubber wherein at least 90 percent of its butadiene repeat units are a cis 1,4-isomeric structure; (B) from about 0.1 to about 10 phr of a methylene acceptor; and (C) from about 0.1 to about 10 phr of a methylene donor.

Abstract: The present invention relates to vulcanizable rubber compositions containing a methylene donor and a hydroxy-aryl substituted monomaleimide. The substituted monomaleimides may be used as a replacement for resorcinol and function as a methylene acceptor. The vulcanizable rubber compositions exhibit improved rubber/reinforcement interaction for increased adhesion and tear in rubber. These vulcanizable rubber compositions also contain a vulcanizing agent.

Abstract: An aniline-resorcin-formaldehyde copolycondensation product having a particular mol ratio of aniline to resorcin is used in an adhesive composition for well adhering fibrous material to rubber.

Abstract: An improved vulcanizable rubber composition of the type comprising (I) a rubber component selected from natural rubber, synthetic rubber or combinations thereof, and (II) a methylene donor compound which generates formaldehyde upon heating, and (III) a phenolic novolak resin type methylene acceptor compound is disclosed. The improvement comprises having at least ten mole percent of the phenolic groups of the phenolic novolak resin aralkylated with one or more compounds selected from the group consisting of styrene, alpha methyl styrene, beta methyl styrene, p-methyl styrene, alpha chloro styrene and vinyl naphthalenes.

Abstract: A reinforcing fiber is provided for use in fiber-reinforced rubber products. The reinforcing fiber has a first coating layer of a cured guanide compound over which is a second layer of an adhesive for bonding the fiber to rubber, the adhesive usually being a cured resorcinol formaldehyde latex composition. The coated fiber is embedded in uncured rubber which is then cured to create a fiber-reinforced rubber product.

Abstract: A one-component heat stable, adhesive for metal surfaces such as iron, zinc, copper, cadmium and their alloy will cure upon contact with the metal surface. The adhesive composition includes olefinically unsaturated monomer; at least one phenoxy resin together with other reactive or non-reactive polymers; an acidic material; a compound containing sulfonyl halide group; and a compound containing a transition metal, in particular TiO.sub.2. The adhesive composition cures rapidly upon contact with a metal surface to form an adhesive bond between the surfaces. The adhesive composition is especially useful as an adhesive for galvanized steel parts subjected to elevated paint curing temperatures.

Abstract: Phenolic resins obtained by condensation from alkylphenol, aldehyde, polyamine and polyether in a molar ratio of 1:0.7 to 1.3:0.005 to 0.2:0.001 to 0.3 are suitable as tackifiers for rubber mixtures.

Abstract: A phenolic compound having improved retention of useful properties over long periods of time at elevated temperatures is presented. The novel phenolic compound, preferably a glass reinforced phenol-formaldehyde with mineral fillers has incorporated therein elastomers which primarily undergo crosslinking on oxidative aging, such as butadiene based rubbers, and/or molecular sulfur or sulfur donor components. These additives unexpectedly retard thermal degradation with time of aging and provide exceptionally good retention of weight, molded dimensions and mechanical properties.

Abstract: The present invention relates to binders for cathodic electrocoating. These binders contain non-tertiary basic amino groups in addition to phenolic Mannich bases and consist of a mixture or precondensate of a polymer, polycondensate or polyadduct which has a mean molecular weight of 800 to 8,000 and a content of basic, primary and/or secondary amino groups of 0.8 to 8 equivalents per 1,000 molecular weight units and one or more phenolic Mannich bases prepared from one or more polynuclear polyphenols, formaldehyde or a formaldehyde donor and one or more secondary aliphatic amines, not more than one equivalent of a secondary amine and not more than 2 equivalents of formaldehyde being employed per equivalent of phenol for the preparation of component (B). These binders can be rendered water-dilutable by the addition of an acid and are suitable for the cathodic electrocoating of electrically conductive articles.

Abstract: Disclosed is a high-performance tire in which a bead filler formed of a rubber composition fills up a space between each turn-up portion of the carcass and a major portion of the carcass and extends to some extent along the carcass toward the tread. The rubber composition is anisotropic such that the elastic modulus in the direction circumferential of the tire is distinctly higher than in the direction radial of the tire. Such anisotropy can be produced by incorporating short fiber of a suitable thermoplastic polymer such as nylon into the rubber composition. This tire provides both improved controllability and a good ride.

Abstract: A fiber-reinforced rubber composition capable of providing a vulcanizate having an excellent strength and modulus and a production process thereof. This fiber-reinforced rubber composition includes fine short fibers of thermoplastic polymer having ##STR1## groups buried in vulcanizable rubber. The vulcanizable rubber and the thermoplastic polymer are grafted to each other through a resol type alkylphenol formaldehyde resin precondensate or a novolak type phenol formaldehyde resin precondensate at an interface of the fiber. The ratio of the fiber to the vulcanizable rubber (A) 1 to 70 parts by weight based on 100 parts by weight of the rubber in the case of the resol type alkylphenol formaldehyde resin precondensate or (B) 1 to 100 parts by weight based on 100 parts by weight of the rubber in the case of the novolak type phenol formaldehyde resin precondensate.

Abstract: Method for manufacturing a conductive plastic of a defined conductivity by forming a polymer alloy. A polar or nonpolar insulating polymer and a polar or nonpolar conductive polymer are used for forming the polymer alloy. The two polymers are mixed together and they are homogeneously distributed within the polymer alloy.

Abstract: A halogen-free flameproofed thermoplastic molding material consists of a halogen-free thermoplastic resin (A) and one or more further halogen-free components.The thermoplastic resin (A) is present in an amount of from 30 to 90% by weight, based on the molding material. The latter contains, as further components, from 1 to 50% by weight of a phenol/aldehyde resin (B), from 1 to 50% by weight of a nitrogen-containing organic compound (C) and from 3 to 50% by weight of a phosphorus-containing organic compound (D), the percentages in each case being based on the molding material.The molding material is used for the production of flameproofed moldings.

Abstract: An adhesive for adhering fibrous materials, particularly polyester fibrous material to rubber is disclosed, which comprises polyhydric phenol-polysulfides, resorcin excess resorcin-formaldehyde condensates, and RFL solution composed of resorcin-formaldehyde condensate and rubber latex.

Abstract: Method for the manufacture of a polymer with triaromatic methane units as basic building blocks, the electric conductivity of which is obtained through the formation of charge transfer complexes. Electron donors and/or electron acceptors are added to the synthetic polymer during or after its preparation, for forming charge transfer complexes.

Abstract: A resin composition comprising(I) a granular or powdery resin which is a condensation product of a phenol, an aldehyde and optionally a nitrogen-containing compound having at least two active hydrogens and is characterized by (A) containing spherical primary particles and their secondary agglomerated particles each having a particle diameter of 0.1 to 150 microns, (B) having such a size that at least 50% by weight thereof can pass through a 100 Tyler mesh sieve, and (C) having a free phenol content, determined by liquid chromatography, of not more than 500 ppm, and(II) at least one member selected from the group consisting of (1) a rubbery elastic material, (2) a thermoplastic resin and (3) a curable resin other than said granular or powdery resin (I) and/or a filler material other than said granular or powdery resin (I).

Abstract: In a process for the preparation of reinforced vulcanisates by vulcanisation of compositions comprising natural rubber or synthetic diene rubber with novolak resins in the presence of from 0.5 to 120% by weight, based on the novolak resin, of a hardener of a reactive melamine resin obtained by reacting melamine with 0.5 to 6 mol of an aldehyde the improvement comprises that, instead of or together with the reactive melamine resins other aminoplast forming compounds containing hydroxy groups are used and the total amount of the aminoplast-forming compounds is also from 0.5 to 120% by weight, referred to novolak resin, a rubber article and vehicle tire prepared according to this process.

Abstract: A rubber mixture is provided for direct bonding to metal surfaces, and includes a base of natural and/or synthetic rubber which contains fillers, processing aids, vulcanizing agents, a bonding agent in the form of a phenol, or derivatives thereof, which form phenolic resins with formaldehyde, a source of formaldehyde, and metallic compounds, preferably oxides of metals, the outer electron shell of which has 2s electrons. The metallic compounds are present in a measured quantity which is about 30 to 400 mMol above the conventional dosage of 40 to 60 mMol for activating the polymerization, with this measured quantity being applicable to each 100 g of rubber. The measured quantity of bonding agent ranges from two to four times the conventional quantity of 40 mMol per 100 g rubber.

Abstract: N-methylolated/methoxymethylated aryldisulfonamides useful as rubber crosslinking agents are provided of the general formula: ##STR1## wherein x is between about 1 and 2, and y is between about 1 and 3, z is between about 0 and 1.5, the total of x, y and z being about 4.

Abstract: A thermosetting binder composition for coating, comprising:(I) (1) A non-acidic resinous saturated compound having a molecular weight of at least 900, and an alcoholic hydroxyl content of at least 0.2 eq./100 g;(2) A non-acidic polyester of a polycarboxylic acid crosslinking agent having more than one .beta.-hydroxyl ester group per molecule, and at least one of components (1) and (2) having an alcoholic hydroxyl functionality of more than 2, and(II) A transesterification-promoting metal salt or complex curing catalyst which is soluble in liquid hydrocarbons.For aqueous compositions, component (I) (1) is preferably a neutralized epoxy resin/amine adduct and component (II) should be insoluble in water; they can be used for cathodic electrodeposition.

Abstract: Condensation products of aniline, a phenol or alkylated phenol and an aldehyde, especially formaldehyde, may be used as tackifiers and aging retardants for rubber, especially natural rubber.

Abstract: Resinous coating compositions can be expediently heat cured by phenol compounds containing at least two methylene amine groups which are conjugated with the aromatic alcohol group or phenol group. The hydroxyl group substantially increase the reactivity of the aminomethyl functionality whereby active hydrogen containing resins can be effectively cross-linked.

Abstract: A curable composition comprising (1) at least one rubber selected from the group consisting of natural rubber, a diene rubber and a diene copolymer rubber, (2) a sulfide resin as a curing agent having the following general formula: ##STR1## wherein X is methylene group, ethylene group, --S-- or --S--S--, R.sup.1 and R.sup.2 are independently a C.sub.1-10 alkyl or alkylene group, Y.sup.1 and Y.sup.2 are independently the residue of a phenol compound, p is an integer of 2 to 8, and n is an integer of 2 to 5, (3) a phenolic thermosetting resin and (4) a hardener for hardening said thermosetting resin. The composition shows a low viscosity upon milling and also does not take place scorching and blooming, and can provide a cured rubber having a high dynamic modulus of elasticity with improved workability and processability. The cured rubber is suitable for use in radial tires as bead filler rubber.