Abstract: Disclosed is a vibration damping composite laminate of the type comprising a viscoelastic polymer composition layer interposed between two layers of metal, which is high in the damping effectiveness and can readily be spot-welded to metal structures. Essentially the polymer composition is a blend of a polyvinyl acetal resin and particulate carbon which amounts to 10-80 wt % of the composition, on condition that the ratio of the mean particle size of the particulate carbon to the thickness of the polymer composition layer is from 0.5 to 1.7. Optionally the polymer composition may further comprise a polyolefine resin and/or a plasticizer.

Abstract: A flexible optical solar reflector (FOSR) which may be also used as an outermost layer of a multilayer thermal insulator comprising:a heat radiation layer of a resin selected from the group consisting of poly[(4'-phenoxy-4-carbonyl)diphenyl ether] represented by the following general formula of: ##STR1## and poly (ether imide) represented by the following general formula of: ##STR2## wherein R is a meta-substituted phenyl group, a para-substituted phenyl group or a 4,4'-substituted phenyl ether group; anda solar light reflecting layer disposed on said heat radiation layer and made of a thin coating of a metal selected from the group consisting of silver and aluminium, A CeO.sub.2 covering layer may be disposed over the heat radiation layer. The FOSR is excellent in resistance to ultraviolet rays, particularly in resistance to electron beam, and superior in optical and mechanical properties.

Abstract: Two-part anaerobic adhesives and articles bonded therewith are disclosed. The adhesives comprise a first part component of free radical initiated polymerizable acrylic monomer(s) and a diaryl iodonium salt. A second part comprises a condensation reaction product of an aldehyde and a primary or secondary amine. The described curable adhesives are formed just prior to use where the second part containing the activator is brought in contact with the first part. Both the first part and second part component exhibit a high degree of stability when stored separately.

Abstract: A polyaryletherketone composition has a plurality which is such that a wire coated with the composition has a recoil of not more than 40.degree.. Compositions having such pliability include those containing a polyaryletherketone and boron nitride. The polyaryletherketone can be polyaryletheretherketone. The composition can be obtained by blending together the polymer and boron nitride, and the blend can be extruded onto an electrical conductor. When extruded onto a wire, the composition gives a more pliable coated wire than is obtained using the polymer alone as the wire coating. The composition gives a coherent coating when coated onto a wire. The composition is also suitable for the production of bearings or bearing liners.

Abstract: A tubular article of polymeric material which has two coaxial tubular sections extending in opposite axial directions and an intermediate section integral with the tubular sections. One of the tubular sections snugly surrounds a metallic sleeve which is positively fitted in the one tubular section and has a keyway for the external key of a drive shaft, and the one tubular section has axially parallel external ribs which reinforce its resistance to deformation and potential separation of its internal surface from the sleeve. If the outer diameter of the one tubular section matches or approximates that of the other tubular section, the intermediate section and the one tubular section are provided with external ring-shaped collars which are integral with and reinforce the ribs.

Abstract: A magnetic recording material which comprises a non-magnetic substrate, and a magnetic layer formed on at least one surface of the substrate. The magnetic layer is made of a uniform dispersion of a magnetic powder in a mixture of epoxy and urea resins used in an amount from 40 to 200 wt % of the magnetic powder.

Abstract: A high solids curable polymer resin coating composition comprising mixed ether aminoplasts containing C.sub.8 to C.sub.12 alkoxymethyl and methoxymethyl groups and a hydroxy-containing resin. The coating composition provides improved intercoat adhesion and cross-link density. Examples of the hydroxy-containing resin are acrylic, alkyd and polyester resins.

Abstract: A corrosion-inhibiting coating composition containing(a) a film-former and(b) as the corrosion inhibitor, an effective amount of an aliphatic or cycloaliphatic mono-, di-, tri- or tetra- carboxylic acid which is substituted in its aliphatic or cycloaliphatic radical by at least one group of the formula I ##STR1## in which X is oxygen, sulfur or NH and each R independently of the others is hydrogen, alkyl, halogenoalkyl, alkoxy, alkylthio, alkylsulfonyl, cycloalkyl, phenyl, alkylphenyl, phenylalkyl, halogen, --CN, --NO.sub.2, --COOH, --COOalkyl, --OH or a primary, secondary or tertiary amino or carbamoyl group, R not being --NH.sub.2 in the case of a monocarboxylic acid in which X is sulfur, and also base addition salts of these compounds are useful as corrosion inhibitors.

Abstract: New coating compositions having controllable drying time and capable of drying rapidly at ambient temperatures without substantial evolution of gaseous by-products caused by conventional driers such as melamines or urea formaldehyde comprising carbodiimides or homologies of carbodiimides together with organic carboxylates. These compositions are particularly useful in providing fast-drying long-oil alkyds which form coatings exhibiting excellent hardness, toughness and resistance to humidity and salt spray.

Abstract: A one-faced or double-faced release sheet presenting an adequate barrier against coating solutions of release agent, good adhesion to release agents, high heat resistance and minimum heat shrinkage comprising a support sheet having a release layer formed on at least one side thereof with an undercoated layer being disposed between said support sheet and the release layer, said undercoated layer being formed from a mixture of a soap-free type acrylic resin emulsion and oxidized starch.

Abstract: There is disclosed a substrate of layers of materials comprising acetal polymer layers having sandwiched therein between a metal foil layer and a paper layer all suitably adhered to one another. It is also contemplated that the substrate be employed in fabricating a dentifrice tube.

Abstract: The present invention provides an overcoated sheet which comprises forming, on at least one surface of a substrate, an overcoat layer consisting essentially of styrene/butylmethacrylate/unsaturated organic acid system copolymer, and is used as a transfer sheet for use in a plain-paper copier, a drafting film, a diazo second original film and the like.

Abstract: A coating composition that is used primarily as a clear finish over a colored or pigmented finish that are applied to automobile and truck bodies; the composition contains as the film forming binder(a) an acrylic polymer(b) a self stabilized dispersed resin formed by polymerizing in solution the following constituents:(1) an acrylic solution polymer,(2) monomers of alkyl methacrylate or acrylate and hydroxy ethyl acrylate or methacrylate, wherein either the acrylic solution polymer contains post reacted glycidyl methacrylate or acrylate or the monomers contain glycidyl methacrylate or acrylate, and(c) an alkylated melamine formaldehyde crosslinking agent.

Abstract: Metal cornerbead for drywall partitions is coated with a water reducible acrylic resin to improve the adhesion of joint compound to it. Aqueous solution of resin may be added to roll-forming lubricant such as hexylene glycol.

Abstract: Coating compositions containing large amounts of polymer-bound ultraviolet radiation stabilizers and cross linkers give highly ultraviolet absorbent properties.

Abstract: This invention relates to a composition comprising (1) a phenoxy resin and (2) at least two compositions selected from (a) phenolic resins, (b) melamine resins and (c) polyisocyanates; to the cured products thereof; and to an electrical conductor coated with said cured products.

Abstract: There is disclosed the reaction product of an N-(substituted oxymethyl)melamine and a 2-mercaptoarylthiazole and its use as an adhesion promoter to improve rubber to metal wire adhesion.

Abstract: An adhesive is disclosed for use in flexible circuitry, laminates and electrical products. The adhesive has improved flexibility and adhesive properties. It may be applied in solution form or may be cast as a free-standing film which is later heated and compressed to give adhesive properties. The adhesive comprises a phenol-aldehyde resin or other phenolic resin, an epoxy resin and an elastomer.

Abstract: An adhesive is disclosed for use in flexible circuitry, laminates and electrical products. The adhesive has improved flexibility and adhesive properties. It may be applied in solution form or may be cast as a free-standing film which is later heated and compressed to give adhesive properties. The adhesive comprises a phenolaldehyde resin or other phenolic resin, an epoxy resin and an elastomer.

Abstract: Polymeric microparticles and dispersions of polymeric microparticles in a liquid hydrocarbon are disclosed. The dispersions are prepared by reacting in dispersed form a preformed NCO-prepolymer containing a segment solvated by the liquid hydrocarbon and a segment insoluble in the liquid hydrocarbon with an active hydrogen-containing compound. Reaction proceeds to form polymeric microparticles which are dispersed in the liquid hydrocarbon. Also disclosed are the use of the polymeric microparticles in coating compositions and articles coated with the coating compositions.

Abstract: A clear or colored top coating composition containing internally cross-linked microgel particles is disclosed. The microgel particles are produced by emulsion-polymerizing a monomer mixture of ethylenically unsaturated monomers including at least one cross-linking monomer and have a refraction index which is equal or close (.ltoreq.0.05) to that of a surrounding film-forming polymer fully cured with a cross-linking agent.

Abstract: Coating of a resin blend on a metal substrate by electrodeposition wherein the resin blend comprises a poly(3,4-dihydro-3-substituted-1,3-benzoxazine) and a reactive polyamine. The resin blend is dispersed in an aqueous medium containing a protonating acid and is subjected to cathodic electrophoresis to deposit the blend on a metal substrate as an adherent film which is dried and cured by the application of heat. The resin blend cures at relatively low temperatures without evolution of volatile matter.

Abstract: The total solids and viscosity of high solids coating compositions containing hydroxyl functional acrylic copolymer base resins are decreased by incorporating up to about 30% by weight of a mixture of reactive diluents. The reactive diluents are a mixture of a reactive acrylic oligomer and a polycaprolactone hexol.

Abstract: A surface coated steel strip having improved corrosion resistance, comprising a steel strip, a zinc alloy (e.g. Zn-Ni, Zn-Mn, Zn-Co, etc.) layer electroplated on the strip, a chromate film formed on the zinc alloy layer in a weight of 2 to 60 mg/m.sup.2, and a polyethylene coating cured to the chromate film and weighing 0.3 to 5 g/m.sup.2 is prepared by applying a chromate solution to the zinc alloy plated strip and drying it into the chromate film, and applying an aqueous composition of a carboxylated-polyethylene resin, a melamine resin, and colloidal silica to the chromated strip and drying and curing the composition into the coating at elevated temperatures of at least 130.degree. C.

Abstract: Flexible coatings are applied to the outer surfaces of automotive vehicles having metal and plastic portions from coating compositions having about 40 to 95% by weight of an epsilon-caprolactone modified acrylic polymer and about 5 to 45% by weight of an aminoplast resin cross-linking agent, the epsilon-caprolactone modified acrylic polymer having a number average molecular weight of about 1,000 to 6,000, hydroxyl contents from about 1 to 7% by weight, optionally about 0.1 to 4.0% by weight carboxyl contents and about 0.25 to 6 moles epsilon-caprolactone per mole of hydroxyl and/or carboxyl in the polymer, the coating composition having a solids content of about 35 to 68% by weight and a liquid carrier of about 32 to 65% by weight.

Abstract: Thermosetting polyurethane compositions comprising a polymer having a molecular weight of from 500 to 10,000 and containing from about 0.3 to about 15 percent by weight of one or more functional groups selected from the group consisting of --OH, --COOH, --CONH.sub.2 and ##STR1## and a mixture of monomeric and oligomeric polyfunctional substituted urethane compounds, which may be derived by reaction of a polyol and isocyanic acid, followed by methylolation and alkylation. Such compositions may be cured at elevated temperatures to produce solvent-resistant coatings.

Abstract: Disclosed is an electrochromic display element having an electrochromic material layer and an ion-conductive material layer being in contact therewith, characterized in that said electrochromic layer comprises a transition metal oxide and said ion-conductive material layer comprises a light-transmissive organic polymeric resin and an inorganic ion-conductive material.

Abstract: In a curable composition which contains as its principal components an active hydrogen-containing resin, a curing agent, and an acid catalyst, improved properties result by utilizing as the acid catalyst an ammonium salt or substituted ammonium salt of a sulfocarboxylic acid ester. The resultant composition is capable of curing at a low temperature and exhibits good appearance, solvent resistance and intercoat adhesion.

Abstract: An essentially linear polyester oligomer having hydroxyl and carboxyl terminal groups for subsequent cure and its production are disclosed. This polyester oligomer is produced by first adducting approximately equimolar amounts of diol carrying two primary hydroxyl groups and a dicarboxylic acid anhydride to form an hydroxy acid. The carboxyl groups of this hydroxy acid are then esterified by reaction with an approximately stoichiometric proportion of diol carrying one primary hydroxyl group and one secondary hydroxyl group, the stoichiometry being based on the total hydroxyl content of the diol and the carboxyl content of the hydroxy acid, to form an hydroxyl-terminated oligomer. This hydroxyl-terminated oligomer is then adducted with a polycarboxylic acid monoanhydride having a carboxyl functionality of at least 3, this monoanhydride being used in an amount of 0.01 to 0.15 equivalents of anhydride per hydroxyl equivalent in the hydroxyl-terminated oligomer.

Abstract: A coating composition is described comprising a 1:2 chromium complex of a mono-AZO dye substituted with amino-phenol and coupled with 2-napthol in a thermosetting resin system. The composition when applied to a substrate imparts a super jet black coating which is non-bleeding, unaffected by the dispersion method or vehicle used, and is durable to the elements.

Abstract: Disclosed herein are high solids thermosetting compositions comprising a solution of a soft, low molecular weight, hydroxy-functional addition polymer resin and a low molecular weight reactive diluent having two or three aliphatic hydroxyl groups per molecule, the weight ratio of resin to diluent being greater than 1, said coating composition when combined with melamine crosslinking agent being of sprayable, roller coatable, or dip coatable viscosity. Cured coatings, coated articles and processes of coating an article are also disclosed.

Abstract: A prepreg useful in flame resistant copper clad printed circuit boards is made by impregnating a porous substrate with an impregnant containing: either a prebrominated epoxy resin or a mixture of a non-halogenated epoxy resin and flame retarding additive containing bromine, and phenolic hydroxyl groups. A phenolic novolac oligomer having an average of over 2.5 phenolic hydroxyl groups per oligomeric unit is used as curing agent. Optionally, a suitable catalyst may be included. The impregnated substrate is heated to cure or advance the resin to the "B"-stage.

Abstract: A metal pipe melt-coated with a thermoplastic synthetic resin using an adhesive composition which contains as major components 5-50 parts by weight of an oil-soluble phenol resin, 5-60 parts by weight of an ethylene copolymer and 5-50 parts by weight of a petroleum hydrocarbon compound having a mean molecular weight in the range of 50,000 to 1,000,000.

Abstract: A low cost resinous insulating solution is made by blending a polyester resin with a solution of a reaction product admixture containing long chain alkyl phenol, short chain alkyl phenol, crosslinking agent, aldehyde and alkali catalyst.

Abstract: The present invention relates to a substrate for a printed circuit exhibiting particularly an excellent electrical insulating property, as well as an excellent heat dissipating property and heat resistance.In accordance with the present invention, a substrate of a printed circuit comprises a metallic plate, and further comprising on at least one surface of said metallic plate, a synthetic resin layer containing an inorganic filler, a heat-resistant resin film, and a synthetic resin layer, which are successively laminated on said metallic plate.A substrate of the present invention also comprises a metallic plate, at least two synthetic resin layers containing an inorganic filler, a heat-resistant resin film which is laminated between said at least two synthetic resin layers.

Abstract: A coating composition which comprises (A) a vinylic monomer-copolymerized resin having a hydroxyl group and a carboxyl group and (B) an alkoxylated amine-formaldehyde condensate as a curing agent for the resin (A). When the coating composition is used as a base coating composition and/or as a clear coating composition in the two coat-one bake coating system, the resulting coating film shows excellent weather resistance with good appearance.

Abstract: A flame retarded copper clad laminate is provided comprising a plurality of paper substrate layers each impregnated with a halogen-containing unsaturated polyester resin containing about 1% to about 30% by weight of a basic filler, and a copper cladding adhesively bonded onto at least one side of the laminate.

Abstract: Oxalanilides of formula I ##STR1## in which R is C.sub.6-22 alkyl or C.sub.6-22 alkoxyR.sub.1 and R.sub.2 are independently, hydrogen, C.sub.1-8 alkyl, C.sub.1-12 alkoxy, C.sub.1-12 alkylthio, phenoxy or phenylthio; provided that R.sub.1 and R.sub.2 may not both be selected from alkylthio, phenoxy and phenylthio;and R.sub.3 is hydrogen or C.sub.1-8 alkylcertain of which are novel, are useful as UV-stabilizers in organic polymers and organic polymer-containing coatings, particularly automotive finishes. The compounds have low volatility and excellent solubility in organic solvents such as are used in liquid finishes.

Abstract: Thermosetting polyurethane compositions comprising a polymer having a molecular weight of from 500 to 10,000 and containing from about 0.3 to about 15 percent by weight of one or more functional groups selected from the group consisting of --OH, --COOH, --CONH.sub.2 and ##STR1## and a mixture of monomeric and oligomeric polyfunctional substituted urethane compounds, which may be derived by reaction of a polyol and isocyanic acid, followed by methylolation and alkylation. Such compositions may be cured at elevated temperature to produce solvent-resistant coatings.

Abstract: Improved enamels and insulated electrical articles produced therefrom are described. The enamels are composed of solutions of curable resin which have been modified to contain nylon polymer. This polymer facilitates application of the enamel to a metallic conductor so as to produce an especially smooth and desirable insulation coating.

Abstract: An aqueous dispersion based on an acid-protonized reaction product from(a) Mannich bases free from epoxide groups, from(a.sub.1) condensed phenols free from ether groups with at least two aromatic rings and with at least two phenolic hydroxyl groups and/or(a.sub.2) condensed phenols, containing ether groups, with at least two aromatic rings and at least one phenolic hydroxyl group(a.sub.3) secondary amines with at least one hydroxyalkyl group, possible in a mixture with(a.sub.4) secondary dialkylamines or dialkoxyalkylamines without free hydroxyl groups,(a.sub.5) formaldehyde or compounds splitting off formaldehyde, with(b) epoxide resins, aliphatic hydroxyl groups from (a) and/or (b) being converted at least in part into urethane groups possibly by reaction with partly blocked isocyanates,containing furthermore fine-particulates non-ionic plastics in dispersed form. The dispersion and/or the fine-particulate plastics furthermore may contain pigments and/or fillers.

Abstract: The rate of temperature change of an infrared detector produced by a cooling source in a typical Joule-Thomson cryostat (or other cooling device such as closed cycle cooler) is reduced by interposing a thermal filter between the detector and cooling source. The thermal filter comprises at least two layers of a first material having a good heat conductivity and high heat capacity, such as copper, separated by a layer of a second material having a high thermal resistance, such as an adhesive, e.g., a silicone rubber. The thermal filter of the invention is a thermal analog of an electrical filter which smooths out voltage or current oscillations.

Abstract: Multilayer coatings having at least one base coating containing pigments and at least one transparent top coating are applied from coating compositions on the substrates and cured together. The coating composition contains:(a) a film-forming synthetic resin;(b) an organic solvent in which the synthetic resin is soluble; and(c) polymer microparticles having polar and/or ionic groups on their surfaces and a diameter of about 0.01 to 5 microns obtained by emulsion polymerization of ethylene unsaturated monomers, these monomers having a portion comprising 2 or more double bonds per molecule and the microparticles are insoluble in the solution of (a) and (b).The base coat(s) have (d) pigments and the top coats are free of pigments.

Abstract: An adhesive composition containing: (a) a nitrogen atom-free epoxy compound, (b) a poly N-glycidyl type epoxy resin, (c) a nitrile rubber having a carboxyl group, and optionally (d) a finely divided silica, a clay substance treated with an onium compound, or a mixture thereof. The compounding ratio by weight of the components (a), (b), (c) and (d) is as follows:0.05.ltoreq.(b)/(a).ltoreq.190.05.ltoreq.[(a)+(b)]/(c).ltoreq.1.750.0125.ltoreq.(d)/(c).ltoreq.0.75This adhesive composition has excellent adhesion strength, soldering heat resistance, flexibility, and chemical resistance, and has a small resin flow property.

Abstract: A novel polyhydroxy oligomer crosslinkable with amine-aldehyde to form a coating composition adapted for use as an automotive topcoat which upon curing forms a hard, glossy, durable coating with outstanding weatherability and excellent resistance to solvents and water. The coating composition comprises:(A) a polyhydroxy oligomer having a number average (M.sub.n) molecular weight of between about 300-2000 and being the reaction product of:(i) an acid ester made by reacting(a) a C.sub.3 -C.sub.10 aliphatic branched diol, and(b) an alkyl hexahydrophthalic anhydride, wherein (a) and (b) are combined in the reaction mixture in amounts and under conditions sufficient to result in reaction in a molar ratio of greater than 1:1 up to 1:2; and(ii) a monoepoxide C.sub.2 -C.sub.10 monomer, the monomer is included in an amount sufficient to provide reaction of about 1.0 epoxide groups for each acid group of the acid ester;(B) an amine-aldehyde crosslinking agent; and(C) optionally a hydroxy functional additive.

Abstract: Selectively light transmitting or electrically conductive film having a heat shrinking property and preformed self-supporting flexible laminar structure including said film, which are suitable for a safety glass-type construction use with a good appearance.

Abstract: A polyacetal resin composition excellent in heat stability and surface processability which comprises (a) about 100 parts by weight of polyacetal resin, (b) about 2 to about 35 parts by weight of a carbonate, phosphate or acetate of a metal belonging to Group II of the Periodic Table or a mixture thereof and (c) about 0.01 to about 20 parts by weight of a polymer, a copolymer or a mixture thereof of a compound selected from the group consisting of unsaturated polyesters, alkyl esters of acrylic acid or methacrylic acid, amides of acrylic acid or methacrylic acid, triallyl cyanurate, diallyl phthalate, vinyl acetate and divinylbenzene.

Abstract: Process of producing metal-resin composite, and the composite resulting therefrom, are provided. The process comprises providing a solution or dispersion of a resin, for example, an epoxy resin, said solution or dispersion having dispersed therein at least one particulate metal compound, for example, an oxide, of the Group I A and II A metals of the Periodic Table, the amount of metal compound being 1-500 parts by weight per 100 parts by weight of resin, then coating the solution or dispersion on a metal substrate and heating the coated substrate to evaporate the solvent for the resin and cure the resin. The resultant metal-resin composite is corrosion resistant, especially under acidic conditions, since the resin layer having the Group I A or II A metal compound dispersed therein serves to control the pH on the surface of the metal substrate to within the range of from 4 to 12 under acidic conditions in the atmosphere surrounding the metal-resin composite.

Abstract: Coating compositions capable of curing at or near to room temperature comprise 90-50% by weight of a specified hydroxyl group-containing addition polymer, 10-50% by weight of an alkylated melamine-formaldehyde crosslinking agent and an acid catalyst consisting of a blend of a C.sub.1-4 alkylated arylsulphonic acid and a C.sub.8-14 alkylated arylsulphonic acid in amounts such that the --SO.sub.3 H group content is 0.70-2.1% of the total weight of the addition polymer and the crosslinking agent. The compositions are particularly suitable for the refinishing of automobile bodies.

Abstract: Disclosed is a side seam-coated welded can comprising a welded can body having a seam on the side face and a resin coating layer covering at least one surface side of the seam, wherein said coating layer comprises a thermosetting resin and a thermoplastic resin having a softening point of 50.degree. to 300.degree. C. as determined according to the ring and ball method, at a volume ratio ranging (A) from 95/5 to 25/75 or (B) from 20/80 to 1/99, and one of said two resins is present in the coating in the form of a continuous phase and at least a part of the other resin is present in the coating in the form of fine dispersed particles.This can is excellent in corrosion resistance and processability.