Abstract: It has been determined that certain rubbery polymers having multiple glass transition temperatures can be utilized in making tires which have improved rolling resistance, improved wet skid resistance, and outstanding tread wear. These rubbery polymers are derived from at least one conjugated diolefin monomer, have a first glass transition temperature which is between -110.degree. C. and -20.degree. C. and have a second glass transition temperature which is between -50.degree. C. and 0.degree. C. These rubber polymers can be homopolymers of conjugated diolefin monomers, copolymers of more than one conjugated diolefin monomer, or copolymers derived from at least one conjugated diolefin monomer and at least one vinyl aromatic monomer.

Abstract: Composite parts of firmly bonded molding materials, comprising a thermoplastic material containing polyphenylene ether, a layer of SBR or SBS rubber or a mixture thereof surrounding the thermoplastic material, if necessary, an intermediate layer comprising a powdered SBR rubber which may contain a filler, and a rubber containing carbon-carbon double bonds covulcanized with the layer of SBR or SBS rubber. The invention also provides a method for producing the composite part comprising treating the thermoplastic material with a solution of a SBR or SBS rubber in an organic solvent or with an aqueous latex of the rubber, if necessary, completely or partially removing the organic solvent or water, if necessary, treating the dried mass with a powdered SBR rubber which may contain a filler, and covulcanizing with a rubber containing carbon-carbon double bonds.

Abstract: An anti-seismic bearing made up of a plurality of rigid plates and viscoelastic flexible plates laminated alternately, said flexible plates being made of a material characterized by that the hysteresis ratio at 100% deformation at 25.degree. C. is 0.15 to 0.60, the loss tangent (tan .delta.) at 0.01% deformation, 5 Hz, at 25.degree. C. is 0.010 to 0.194, and the ratio E(-10)/E(30) is 1.0 to 3.0, where E(-10) is a storage modulus at 0.01% deformation 5 Hz, at -10.degree. C. and E(30) is a storage modulus at 0.01% deformation, 5 Hz, at 30.degree. C.An assembly composed of low-damping anti-seismic bearings and high-damping anti-seismic bearings arranged in parallel such that the anti-seismic bearings support the vertical load and undergo elastic deformation in the horizontal direction.

Abstract: A thermoformable fibrous mat which has good strength and temperature resistance and which combines balanced properties of flexibility and rigidity. The novel, inventive mat comprises glass fibers; polyolefin fibers; polyamide and/or polyester fibers; and a cross-linked latex binder. Preferably, the latex binder is a combination of styrene-butadiene and carboxylated styrene-butadiene. A process for forming the inventive mat is also disclosed.

Abstract: Insulated pipe especially but not exclusively intended for subsea pipelines for transport of oil, gas and similar products which pipe comprises a steel pipe as core, a layer of corrosion protection material, a layer of thermally insulating material surrounding this and an external protective layer surrounding the insulating layer. To improve such insulated pipes so that they are capable of resisting occurring stresses even when placed under water at great depths the three layers contain rubber, the lyaer further containing cork up to 30-70% by volume.

Abstract: A liner, suitable for use with caps for containers, comprising a layer of compressible polymeric foam, a layer of adhesive in contact with and coextensive with said foam layer, and a layer of polymeric film in contact with and coextensive with said layer of adhesive.The liner shows good chemical resistance, good resistance to high temperatures, and good impermeability to gases.

Abstract: A lip seal having enhanced shock loading capabilities includes a rigid case member coated with an elastomeric material. A composite annular sealing lip having a bonding portion formed of an elastomeric material and a contact portion formed of polytetrafluoroethylene is bonded to the case member such that a shock absorbing elastomer to adhesive to elastomer interface is formed between the sealing lip and the case coating.

Abstract: A packaging material comprising an outer layer of a heat shrinkable plastic film and a metallic glossy laminate which is disposed on the inner side of said outer layer and which maintains metallic gloss even after heat shrinkage. A heat shrunk package having beautiful metallic gloss can be obtained by the use of this packaging material.

Abstract: A batting box formed of a mixture of hard rubber crumb and a liquid resin binder.

Abstract: Pressure-sensitive adhesive tapes which have improved toughness for use as diaper closure tapes are provided. The tapes have a backing of a substantially untensilized, tough, ductile film that is a blend of crystalline isotactic polypropylene and a compatible flexible polymer, i.e. a polymer having a flexural modulus lower than said crystalline isotactic polypropylene to increase the toughness of the film, and a coating of a pressure-sensitive adhesive on one side of the film.

Abstract: Structural components are produced which have at least 2 layers A and B. Layer A contains, as a matrix, a thermoplastic resin plastic containing a polyphenylene ether and fibrous reinforcing supports disposed therein. Layer B is a rubber which is obtained through the vulcanization of certain caoutchoucs containing double bonds.

Abstract: A process is provided herein for coating a preformed, porous base material comprising a mineral fibrous or particle material or an organic fibrous or particle material or mixtures thereof to provide a novel preformed base material. The process comprises applying at atmospheric pressure a coating of a vulcanizable elastomeric material in unvulcanized form to a surface of such preformed, porous base material. The elastomeric material is permanently adhered to the preformed porous base material by a hot press, hot vulcanization step. In this way the elastomeric material is substantially simultaneously both adhered securely to one outer surface of the base material and is penetrated and impregnated below and into the same surface of the base material to be within the porous structure of the base material, and is vulcanized therein in situ by the joint action of a pressure of about 50 to about 500 Newton/cm.sup.2 at a temperature of about 120.degree. C. to about 300.degree. C.

Abstract: This invention concerns a shock absorbing material placed between two objects for buffering the shocks, and a method of applying the same.Heretofore, a previously formed shock absorbing material is bonded by way of an adhesive or the like to an object to be buffered. However, there has been a disadvantage that no desired bonding strength can be obtained or the adhesive is degraded. It is intended in this invention to render the shock absorbing material fusible under heating, by which the shock absorbing material is fused due to the melting of the shock absorbing material itself with an object to be buffered using no adhesive thereby increasing the bonding area and improving the bonding strength as compared with the conventional case.

Abstract: Disclosed is an abrasion resistant adherend, which comprises a vulcanized rubber layer and ceramic pieces juxtaposed and embedded in the rubber layer and in which the ceramic pieces are at least partly exposed out of the rubber layer and are provided with a penetrative sintering layer in such a portion thereof as being in contact with the rubber layer.

Abstract: An elastomeric sealing gasket assembly comprising a sealing compound layer between a removable carrier paper and a flexible cover film can be kept permanently elastic and, at the same time, withstand condiderable surface pressure by embedding substantially imcompressible spacer in the sealing layer.

Abstract: A wiper blade rubber of an elongated configuration comprising a base portion of large thickness, a swinging portion substantially of a trigonal cross section, a neck portion connecting the base portion and the swinging portion and a thin plate-like lip portion disposed at the top end of the swinging portion. The basic material constituting most part of the base portion, the neck portion, the swinging portion and the lip portion is formed with soft and flexible rubber mainly composed of vulcanized ethylene-propylene rubber, and at least the surface of the lip portion is disposed with a surface layer constituted with a blended rubber composed of acrylonitrile-butadiene rubber and polyvinyl chloride resin and surface layer has a chlorinated surface layer.

Abstract: A heat-sensitive transfer sheet comprising a base film, a first hot melt layer composed mainly of wax, a coloring layer comprising at least one colorant and at least one a resin as a vehicle, and a second hot melt layer composed mainly of wax, these layers being formed on said base film in this order.

Abstract: An improved composite rubber material having a baked layer of fluorine resin of 10 microns to about 1 millimeter in thickness is proposed. The coated layer of fluorine resin is baked at a temperature over 400.degree. C. for not more than 7 minutes. This assures that the fluorine resin is baked without deteriorating the rubber material.

Abstract: A granule comprises an inner core, which is formed from a material which does not expand appreciably in the presence of organic compounds, and an outer shell formed from an organo-clay which is preferably held on the inner core with the aid of a binder.The granule can be prepared by tumbling a particle of the inner core material in admixture with a powdered organo-clay and a binder therefor. A particulate bed of the granules can be used for separating organic compounds from a mixture thereof with an aqueous medium.

Abstract: A wiper blade comprising a thick base section consisting of a head to be inserted through a slit formed in a backing plate, a body to be extended below the backing plate and a connecting neck interconnecting the head and the body; a turning section having a substantially triangular cross section; a neck section interconnecting the base section and the turning section; and a lip section extended from the ridge of the turning section in the form of a thin strip for wiping the surface of a windshield, wherein at least the surface layer of at least either the connecting neck or the neck section is formed of an ozone-resistant rubber.

Abstract: A magnetic recording medium comprising a magnetic layer on a non-magnetic base, said magnetic layer containing ferromagnetic particles and a binder comprising (a) a copolymer of at least vinyl chloride and vinyl acetate, (b) a synthetic rubber selected from the group consisting of diolefinic and olefinic synthetic rubbers and (c) a resin selected from the group consisting of phenoxy resin and polyhydroxy ether ester resin.

Abstract: A composite board having an excellent vibration-suppressing sound-shielding performance can be obtained by joining a plurality of board materials with each other by the intermediary of a tacky adhesive. This tacky adhesive contains, as its principal components, one or more kinds of polymers selected from the group consisting of natural rubber, synthetic rubbers, various resins (acrylic resin, silicone resin, etc.). A sheet-like base material such as a paper sheet can be used in association with the tacky adhesive layer in the composite board, and such type of composite boards have an excellent vibration-suppressing sound-shielding performance as compared to the composite boards in which the tacky adhesive layer is not associated with a sheet-like material.

Abstract: A multifilament yarn of an aromatic polyamide, in particular poly-p-phenylene terephthalamide, is provided with an adhesive coating of a cured epoxy compound, the yarn having a free epoxide content not higher than 10 mmoles/kg. The yarn is made by spinning a solution of an aromatic polyamide into a coagulation bath and subjecting the resulting filaments to the subsequent steps of washing, applying a curable epoxy compound and one or more alkaline curing agents, curing and winding the yarn thus treated into a package. The resulting yarn can be processed into a reinforcing element for, e.g., tires in a one-step dipping process. A cord made from the yarn displays an improved resorcinol-formaldehyde-latex dip pickup.

Abstract: Pressure-sensitive adhesive capable of functioning as an adhesive for diaper closure tape, comprising a blend of specified portions of styrene:butadiene AB block copolymer, random SBR and/or milled natural rubber, and rosin ester tackifier of the type capable of tackifying butadiene-based rubbers.

Abstract: The present invention provides an improved fabric which comprises at least one network of fibers selected from the group consisting of extended chain polyethylene (ECPE) extended chain polypropylene (ECPP) fibers, extended chain polyvinyl alcohol fibers and extended chain polyacrylonitrile fibers. A low modulus elastomeric material, which has a tensile modulus of less than about 6,000 psi, measured at about 23.degree. C., substantially coats the fibers of the network. Preferably, the fibers have a tensile modulus of at least about 500 grams/denier and an energy-to-break of at least about 22 Joules/gram.

Abstract: A power transmission belt for transmitting high loads having an elastomeric looped flat belt portion having a longitudinally extending tensile cord and defining an outer surface and an inner surface, and a plurality of longitudinally extending spaced blocks mounted to the outer and inner surfaces respectively of the flat belt portion. Each block is formed of a core and a fabric wrapped around the core. In one embodiment, the block is secured to the flat belt portion by bolts extending therethrough. The fabric of the blocks may be treated with different materials, such as rubber, synthetic resins, and the like. The core may be formed of an elastomeric material. The flat belt portion may be provided with one or more layers of fabric.

Abstract: A composition and method and apparatus for increasing the buoyant lifetime of a gas inflatable elastomeric balloon wherein a surface of a balloon is coated with an aqueous solution containing 3 to 50 percent polyvinyl alcohol, and up to 20 percent of a water soluble plasticizer for polyvinyl alcohol such as glycerine, which coating is dried while the balloon is in the inflated condition. Treatment of a rubber latex balloon having an inflated diameter of about 15 cm to about 50 cm by the method of this invention can increase its buoyant lifetime about 600 percent without significantly changing the appearance of the balloon.

Abstract: A wiper blade rubber of a constant cross section, composed of at least two kinds of rubber ingredient and manufactured by multi-color extrusion molding. In a wiper blade rubber according to this invention, a lip portion thereof to be in sliding contact with the glass surface is formed of a lubricating rubber and a swing portion generally of a trigonal cross section is mostly formed of a flexible rubber. In another wiper blade rubber according to this invention, a central part at the bottom end of the lip portion is formed of a high frictional rubber and both side parts of the bottom end of the lip portion is formed of a lubricating rubber. In a further wiper blade rubber according to this invention, an engaging part of the base portion, in the form of grooves or ridges, for engagement with an elongate rigid body held by a yoke of a wiper, is formed of a lubricating rubber and the swing portion is mostly formed of a flexible rubber.

Abstract: A two-ply nonwoven fabric laminate comprises a first-ply of synthetic fibrous nonwoven material having an outer surface, an inner surface, and a thickness, and having a basis weight of from about 10 g/m.sup.2 to about 50 g/m.sup.2 ; and a second ply of fibrous nonwoven material having an outer surface, an inner surface, and a thickness, and having a basis weight of from about 10 g/m.sup.2 to about 50 g/m.sup.2. The inner surfaces of the first and second plies are adhered at their interface by a flexible, soft latex binder. The binder is adhered to substantially all fibers exposed on the inner surfaces of the first and second plies. The binder is present in the first ply from its inner surface to a depth of from about 20% to about 80% of its thickness, and is present in the second ply from its inner surface to a depth of from about 20% to about 80% of its thickness.

Abstract: A rubber laminate of a fluororubber layer and an NBR layer firmly bonded through vulcanization is provided. The fluororubber layer is made of a fluororubber compound containing a peroxide vulcanizing agent, polyol vulcanizing agent, or polyamine vulcanizing agent. In the case where the fluororubber compound contains a peroxide vulcanizing agent, it further contains a metal oxide. The NBR layer is made of a functional NBR having a specific functional group which is determined according to the vulcanizing agent contained in the fluororubber compound. In the case where the fluororubber compound contains a peroxide vulcanizing agent or polyol vulcanizing agent, the NBR compound further contains a metal oxide. The two layers are firmly bonded through vulcanization. This rubber laminate is used for automotive fuel hoses and fuel pump diaphragms.

Abstract: Novel, improved insole composites comprising a non-woven fiber batt needle-punched to one side of a woven polymeric scrim and which is subsequently impregnated or saturated with a curable or cross-linkable polymer.The invention also presents novel processes for producing the insole composites and for manufacturing footwear comprising the novel, improved insole composites.

Abstract: Rubber compositions and metal-reinforced rubber ply members have improved metal adhesion and metal adhesion retention. The improvement comprises admixing from about 0.5 to about 10.0 parts per hundred rubber (phr) of bis(2-mercaptobenzothiazato) nickel with a vulcanizable rubber composition prior to combining the metal and rubber and then curing. A method for improving the metal adhesion and metal adhesion retention between a vulcanizable rubber and metal member includes the step of dispersing from about 0.5 to about 10.0 phr of nickel in a vulcanizable rubber composition prior to curing.

Abstract: A composite (10) which presents a layer (20) of ultra-high molecular weight polyethylene as the wear resistant surface. The polyethylene layer (20) is secured to a metallic backing plate (12) by virtue of an elastomeric layer (13) that is interposed between the metallic backing plate (12) and the polyethylene layer (20) and is bonded to each without the polyethylene and the metallic backing plate being otherwise bonded to each other. This configuration provides a means by which to mount a wear resistant polyethylene layer from a metallic backing plate and at the same time accommodate the difference between the disparate coefficients of expansion of polyethylene and metal.

Abstract: A process for modifying the surface of a preformed polymeric substrate to impart lubricity and other desired properties thereto, without at the same time significantly altering the bulk properties of the substrate, by epoxidizing the substrate's surface and reacting the epoxide groups so formed with a fluorocarbon capable of cleaving the epoxide rings and covalently bonding thereto. The article so formed is also disclosed.

Abstract: An article is disclosed consisting essentially of a ceramic substrate bonded to a metal or ceramic member by a brazing alloy. In these processes, the ceramic surface is prepared such that it is relatively defect free prior to brazing.

Abstract: A waterproof membrane comprising an elastomeric sheet, said sheet formed of a composition which includes a neutralized acid group containing elastomeric polymer, the neutralized acid group cation selected from the group consisting of ammonium, antimony, aluminum, iron, lead and a metal of Group IA, IIA, IB or IIB of the Periodic Table of Elements and mixtures thereof; a non-polar process oil; carbon black and a preferential plasticizer is disclosed. In a preferred embodiment the membrane is supported with a supporting sheet, said sheet selected from the group consisting of fabrics, paper and metal foil. The use of this membrane as a roof covering, pond, pit or aqueduct liner is recited. The method of forming the membrane, and the resultant roof covering, pond, pit or aqueduct liner is also disclosed.

Abstract: The protective sheet for use of an article of clothing or shelter utilizing a first layer of soft pliant material which has a low initial tensile modulus of elasticity. Held to the first layer is a second layer of ductile material having metal-like qualities and being impermeable to fluids. The second layer is thinner than the first layer.

Abstract: The bond strength between a sulphur-vulcanizable rubber and a metal, especially brass, is increased by using as bonding promoter a compound having the formula R--(CH.sub.2).sub.a --S.sub.2 O.sub.3.sup.- M.sup.+ or a hydrate thereof, where a has an integral value of at least 1, and where (i) M.sup.+ represents a sodium ion or an equivalent of a divalent nickel or cobalt ion and R represents hydroxy, cyano, chlorophenyl, fluorophenyl, nitrophenyl, alkoxyphenyl, alkylphenyl, dialkylphenyl, arylphenyl, naphthyl, alkylnaphthyl, benzoyl, phenoxy, halophenoxy, phthalimido, a group having the formula R.sup.2 CONH--, R.sup.2 NHCO--, where R.sup.2 is an alkyl or aryl radical, .sup.+ MOOC, or 2,4-dihydroxy-6-pyrimidyl (or its keto-form equivalent) or (ii) M .sup.+ is absent and R represents a grouping .sup.+ H.sub.3 N--.

Abstract: A type of tape which embodies two faces each containing a pressure sensitive adhesive coating. One face has a coating with a lesser degree of adhesive capability than the coating on the opposite face. The latter can be placed on a first material to form a pattern thereon, thus leaving the face with the coating having the greater degree of adhesive capability exposed. An object having a meeting surface may then be applied to the exposed coating. When that object is removed from the first material, the tape pattern is transposed to the backside of said object. This eliminates the necessity of using measuring tools and conventional methods to find and transpose the pattern from the first material to said object.

Abstract: There is disclosed a method for the treatment of yarn which comprises applying an aqueous emulsion of a polyester/epoxy adhesive to the yarn. The polyester/epoxy adhesive comprises a water emulsifiable polyester capped with an isocyanate group and an epoxide which is dispersed in water to fYorm an emulsion.

Abstract: A cover for use in connection with an engine, comprises a layer formed of fibrous composite containing fiber material, and synthetic rubber and its cross linking agent, the fibrous composite layer being impregnated with rubber material, thereby greatly improving the noise reduction effect of the cover.

Abstract: An improved transparent base film of polyester is disclosed, which on its one surface roughened by sand-blasting is provided with a film layer of a rubber material selected from styrene-butadiene rubber, natural rubber, butadiene rubber (BR), isoprene rubber (IR), chloroprene rubber (CR), isobutylene-isoprene rubber (IIR), acrylonitrile-butadiene rubber (NBR), ethylene-propylene-diene rubber (EPDR) and acrylic rubber.

Abstract: The present invention provides for an absorbent planar structure or so-called "sponge cloth" as well as for the method of making such a structure. The absorbent planar structure itself is permeated with pores and comprises a latex-bonded fiber material optionally reinforced with a woven or knit material, a layer of known foamed plastic, non-woven fabric or abrasive fleece. The method for making such a structure dispenses with conventional pore formers and is characterized by forming a foam of the latex and fiber materials by use of a suitable gaseous medium. The foam thus obtained, after homogeneous mixing, is applied to a substrate and the fiber-containing latex foam is then coagulated by heat action, resulting in an open-pore structure which is stabilized by subsequent drying and vulcanization.

Abstract: The present invention provides a material for accident protecting clothes in which tile-like small plate pieces made of nylon series resin are connected and formed, beneath a layer of bulletproof fiber sheets stacked in number as required, into a flexible plate-like configuration by connectors, soft rubber is placed beneath the flexible plate, a few sheets of bulletproof fiber sheets are attached beneath the soft rubber, and the whole structure is integrally coated with a water-resisting synthetic resin sheet.

Abstract: A multifilament yarn of an aromatic polyamide, in particular poly-p-phenylene terephthalamide, is provided with an adhesive coating of a cured epoxy compound, the yarn having a free epoxide content not higher than 10 mmoles/kg. The yarn is made by spinning a solution of an aromatic polyamide into a coagulation bath and subjecting the resulting filaments to the subsequent steps of washing, applying a curable epoxy compound and one or more alkaline curing agents, curing and winding the yarn thus treated into a package. The resulting yarn can be processed into a reinforcing element for, e.g., tires in a one-step dipping process. A cord made from the yarn displays an improved resorcinol-formaldehyde-latex dip pickup.

Abstract: A tire having a tread exhibiting substantial low rolling resistance, traction and wear comprises a cured compounded carbon black reinforced blend of (A) a star-shaped substantially random vinyl containing rubbery solution polymerized polymer selected from the group consisting of polybutadienes, polyisoprenes, butadiene-styrene copolymers, butadiene-isoprene copolymers, isoprene-styrene copolymers, butadiene-isoprene-styrene copolymers and mixtures of the same and (B) at least one other rubbery diene polymer.

Abstract: There is provided a flexible rubber or article having a coating of a hydrophilic hydrogel polymer. The coating is applied to at least one surface of the article prior to heat vulcanization of the article and prior to curing of the polymer to impart lubricant and moisture transmission properties after vulcanization and curing thereof. A solution of a trivalent cationic salt may be applied to the article prior to or simultaneously with the application of the polymer so as to provide for improved adhesion of the polymer to the article after curing. A powderless solution of an emulsion or a surfactant is applied to the article after curing to reduce the surface tack of both the surface of the article which has been coated by the polymer and the surface opposite such polymer-coated surface.

Abstract: A process and composition for applying and bonding an amine curable polymer or prepolymer at ambient temperatures to the surface of a cured elastomer substrate. The elastomer article or substrate is treated with an organic oxidant such as an N-halohydantoin, N-haloamide, or an N-haloimide, for example, the various isomers of mono- , di- , and trichloroisocyanuric acid. A polyisocyanate is applied thereto. A composition of the amine curable polymer or prepolymer is prepared with an amine curing agent. To the curing agent and curable polymer or prepolymer composition is added a polar solvent which is mixed with the resulting blend or mixture and added to the treated elastomer surface; said polymer or prepolymer cures at ambient temperature and becomes bonded to said elastomer. The application is relatively easy, since the entire mixture is a liquid and can be applied in situ.

Abstract: This invention provides flow-regulated adhesive latex formulations which exhibit unique shear-thinning properties for coating of substrates such as tire cord. The essential components of an invention aqueous adhesive composition for textile-rubber bonding consist of (1) an associative thickener, (2) a phenol-aldehyde resin; and (3) a latex of curable elastomer.

Abstract: A label system is disclosed that is deformable and is useful for the decoration or marking of squeezable bottles or other flexible substrates. The label system is composed of a film of low or medium density polyethylene which .[.is corona.]. .Iadd.may be .Iaddend.treated .Iadd.or otherwise modified .Iaddend.to accept print or decorative resin on .Iadd.the one side .Iaddend.and certain curable .[.pressure sensitive.]. adhesives .Iadd.on the other side.Iaddend., and is affixed by the adhesive to bottles or other substrates in a manner that the label conforms to the shape of the surface of the bottle .Iadd.or other substrate.Iaddend.. The label deforms and recovers in essentially a permanent manner without wrinkling, cracking, tearing or being otherwise defaced due to separation or destructive fracturing of the label-substrate system.