Abstract: A novel, self-crosslinkable polydiene-functionalized polydieneophile-functionalized epoxy-amine adduct is disclosed, which self-crosslinkable epoxy-amine adduct is cureable at elevated temperature. The polydiene-functionalized polydieneophile-functionalized epoxy-amine adduct is the reaction product of polyhydroxy functional epoxy-amine reactant with preferably approximately equal molar equivalent amounts of diene functional mono-isocyanate and dieneophile functional mono-isocyanate. The self-crosslinkable epoxy-amine adduct is useful in coating compositions and like applications and is especially useful in cathodic electrocoating compositions and processes.

Abstract: A novel composition of matter is provided, which comprises certain polydiene-functionalized epoxy-amine adduct and certain polydieneophile-functionalized epoxy-amine adduct, which epoxy-amine adducts are co-reactive at elevated cure temperature. The polydiene-functionalized epoxy-amine adduct comprises the reaction product of certain polyhydroxy functional epoxy-amine reactant with diene-functional mono-isocyanate reactant. The polydieneophile-functionalized epoxy-amine adduct comprises the reaction product of certain polyhydroxy functional epoxy-amine reactant with dieneophile functional mono-isocyanate reactant. The crosslinkable composition of matter is useful in coating and other applications, especially cathodic electrocoating applications.

Abstract: A novel composition of matter is provided, which comprises certain polydiene-functionalized epoxy-amine adduct and certain polydieneophile-functionalized polyisocyanate oligomer, which epoxy-amine adduct and polyisocyanate oligomer are co-reactive at elevated cure temperature. The polydiene-functionalized epoxy-amine adduct comprises the reaction product of certain polyhydroxy functional epoxy-amine reactant with diene-functional mono-isocyanate reactant. The polydieneophile-functionalized polyisocyanate oligomer comprises the reaction product of polyisocyanate reactant, preferably a triisocyanate, with approximately equal molar equivalent amount of monohydroxy dieneophile reactant or monoamino dieneophile reactant or like isocyanate-reactive dieneophile reactant. The crosslinkable composition of matter is useful in coating and other applications, especially cathodic electrocoating applications.

Abstract: A novel composition of matter is provided, which comprises certain polydiene-functionalized polyisocyanate oligomer and certain polydieneophile-functionalized epoxy-amine adduct, which polyisocyanate oligomer and epoxy-amine adduct are reactive at elevated cure temperature. The polydieneophile-functionalized epoxy-amine adduct comprises the reaction product of certain polyhydroxy functional epoxy-amine reactant with dieneophile functional mono-isocyanate reactant. The polydiene-functionalized polyisocyanate oligomer comprises the reaction product of polyisocyanate reactant, preferably a triisocyanate, with approximately equal molar equivalent amount of monohydroxy diene reactant or monoamino diene reactant or like isocyanate-reactive diene reactant. The crosslinkable composition of matter is useful in coating and other applications, especially cathodic electrocoating applications.

Abstract: A steering column assembly comprises a column part (1) rotatable in a support (7) attached to a bracket (8) which can be secured to a fixed member, a sliding connection e.g. formed by a slot (16) and pin (20) permitting movement along an axis (A) and about a pivot axis (B) perpendicular thereto to permit height and rake adjustment, and a guide e.g. formed by the peripheral edge of an aperture (17) in the slot which is engaged by a follower (31) fixed to the support (7) which defines the limits of the range of relative movement of the column part (1) thereby reducing the risk of interference with adjacent components. The follower (31) forms part of a locking mechanism (21,22,38,43) for fixing the bracket and the support in a desired relative configuration.

Abstract: Novel solvent-based thermosetting composition comprising (a) hydroxy functional epoxy ester resin of number average molecular weight (Mn) between about 1,000 and about 5,000, comprising the reaction product of diepoxide with diphenol and acid component comprising hyroxy functional acid and optionally further comprising fatty acid; and (b) polyfunctional, hydroxy-reactive crosslinking agent, for example, aminoplast crosslinking agent or blocked polyisocyanate crosslinking agent comprising isocyanate groups blocked by reaction with an active hydrogen bearing blocking agent. Coating composition may be formulated as primer sprayable with conventional spraying equipment.

Abstract: An engine mount (10) having two irregular hexagonal housings (12 and 14) with a central lug (16) passing therethrough bonded to two series of four pads (18-21 and 21-25) to each housing in which the housings are laterally offset from each other such that when they are mounted onto a chassis (32), the one housing (12) becomes aligned with the second housing (14) to preload the pads bonding it to the lug (16) while the elastomeric pads (21-25) bonding the lug (16) to the second housing (14) remain substantially unloaded.

Abstract: Novel solvent-based thermosetting composition comprising (a) hydroxy functional epoxy ester resin of number average molecular weight (Mn) between about 1,000 and about 5,000, being formed by reaction of diepoxide, which has been chain extended with dicarboxylic acid, with hydroxy functional secondary amine in chain terminating reaction, in approximately 1:1 molar equivalent ratio; and (b) polyfunctional, hydroxy-reactive crosslinking agent, for example, aminoplast crosslinking agent or blocked polyisocyanate crosslinking agent comprising isocyanate groups blocked by reaction with an active hydrogen bearing blocking agent. Coating composition may be formulated as primer sprayable with conventional spraying equipment.

Abstract: Silicate filled polyolefin resin composites exhibit improved mechanical properties if the silicate filler and polyolefin resin are specially combined with additives comprising chlorinated aliphatic compounds. The composites are preferably made from blends comprising about 1-36 parts by weight silicate flakes or fibers, 9 parts by weight propylene resin and minor effective amounts of the additive. Various processing techniques such as selecting the time the blends reside at melt temperatures during compounding permits development of advantageous properties.

Abstract: A novel epoxy ester resin adapted for use in a thermosetting coating composition is provided, having number average molecular weight (M.sub.n) about 1000 to about 5000 and being the reaction product of diepoxide, for example bisphenol-A epichlorohydrin epoxy resin, with (i) diphenol, for example bisphenol-A, in chain extension reaction, (ii) dicarboxylic acid, for example the dimer acid reaction product of the dimerization of C-18 fatty acid, in chain extension reaction, and (iii) fatty acid, for example Soya fatty acid, in chain terminating esterification reaction, which chain extension reactions and esterification reaction occur at least in part substantially simultaneously and at a temperature reaching at least about 137.degree. C. (280.degree. F.). Preferably, catalyst is employed for said chain extension and esterification reactions.

Abstract: A vehicular spring leaf comprises a pultruded beam that has about 40-75% by volume filamentary solids of a first modulus and a remainder fraction comprising continuous organic solid of a second, lower modulus that binds together the filamentary solids. A first portion of at least about 80% by weight of the filamentary solids is a multitude of discrete, tensilely stressed filamentary solids, densely packed substantially uniformly throughout the organic solid and coextending the beam longitudinally in a plurality of planes that accept tensile or compressive stress, respectively, upon a flexure of the leaf that bends the beam. A second portion of up to about 10% by weight of filamentary solids is randomly oriented on a surface of the beam, and a third portion of up to about 10% by weight of filamentary solids is woven oriented substantially across one another in one of the planes.

Abstract: A novel organic solvent based, thermosetting coating composition comprises novel epoxy ester resin having number average molecular weight (M.sub.n) about 1000 to about 5000 and being the reaction product of diepoxide, for example bisphenol-A epichlorohydrin epoxy resin, with (i) dicarboxylic acid, for example the dimerization reaction product of C-18 fatty acid, in chain extension reaction and (ii) fatty acid, for example Soya fatty acid, in chain terminating esterification reaction, which chain extension reaction and esterification reaction occur at least in part substantially simultaneously. Preferably, catalyst is employed for said chain extension and esterification reactions. The coating composition further comprises polyfunctional aminoplast crosslinking agent, for example, hexamethoxymethylmelamine, and polycarboxy functional polymeric catalyst.

Abstract: A brake pad 58 (see FIG. 6) has a lining with particulate graphite material embedded therein. A leading portion 62 of the brake lining has a higher concentration of the graphite particles embeded therein than a remaining portion 64 of the lining 60. A brake rotor is lubricated simultaneously as it contacts the leading edge 65 of the brake lining to maximize the effectiveness of the lubricant at the leading edge 65 of the brake lining.

Abstract: A novel crosslinkable coating composition suitable for use in cathodic electrodeposition of coating to retard corrosion of substrates is provided, which coating composition comprises:A. crosslinkable resin, optionally at least partially neutralized, comprising the reaction product of:(a) substantially non-gelled epoxy-modified polybutadiene, comprising the reaction product of:(i) diamine functionalized polybutadiene reactant of number average molecular weight about 500 to about 5000; with(ii) monoepoxide reactant of number average molecular weight about 30 to about 500; and with(iii) diepoxide reactant of number average molecular weight about 100 to about 1000;the diamine functionalized polybutadiene reactant bearing two secondary amine functionality and being reacted with said monoepoxide reactant and diepoxide reactant in relative molar ratio of about 1:0.9-1.1:0.9-1.

Abstract: A novel organic solvent based, thermosetting coating composition comprises novel epoxy ester resin having number average molecular weight (M.sub.n) about 900 to about 5000 and being the reaction product of diepoxide, for example bisphenol-A epichlorohydrin epoxy resin, with (i) diphenol, for example bisphenol-A, in chain extension reaction and (ii) fatty acid, for example Soya fatty acid, in chain terminating esterification reaction, which chain extension reaction and esterification reaction occur at least in part substantially simultaneously. Preferably, catalyst is employed for said chain extension and esterification reactions. The coating composition further comprises polyfunctional aminoplast crosslinking agent, for example, hexamethoxymethylmelamine, and polycarboxy functional polymeric catalyst.

Abstract: A vibration damper for a coil spring 16 includes a cylindrical shaped sleeve 18 which receives the coil spring 16 such that the outer portions 38 of the coils 36 slidably abut the inside surface of wall 20 of the sleeve 18 to provide frictional damping of the coil spring as it axially compresses and elongates.

Abstract: Novel solvent-based thermosetting composition comprising (a) hydroxy functional epoxy ester resin of number average molecular weight (Mn) between about 1,000 and about 5,000, being formed by reaction of diepoxide, which has been chain extended with diphenol and dicarboxylic acid, with hydroxy functional secondary amine in chain terminating reaction, in approximately 1:1 equivalent ratio: and (b) polyfunctional, hydroxyreactive crosslinking agent, for example, aminoplast crosslinking agent and blocked polyisocyanate crosslinking agent comprising isocyanate groups blocked by reaction with an active hydrogen bearing blocking agent. The coating composition may be formulated as a primer sprayable with conventional spraying equipment.

Abstract: Mica filled polyolefin resin composites exhibit improved mechanical properties if the mica filler and polyolefin resin are specially combined with additives comprising chlorinated aliphatic compounds. The composites are preferably made from blends comprising about 1-36 parts by weight mica flakes (especially phlogopite mica), 9 parts by weight propylene resin and minor effective amounts of the additive. Various processing techniques such as selecting the time the blends reside at melt temperatures during compounding permits development of advantageous properties.

Abstract: A novel organic solvent based, thermosetting coating composition comprises novel epoxy ester resin having number average molecular weight (M.sub.n) about 1000 to about 5000 and being the reaction product of diepoxide, for example bisphenol-A epichlorohydrin epoxy resin, with (i) diphenol, for example bisphenol-A, in chain extension reaction, (ii) dicarboxylic acid, for example the dimer acid reaction product of the dimerization of C-18 fatty acid, in chain extension reaction, and (iii) fatty acid, for example Soya fatty acid, in chain terminating esterification reaction, which chain extension reactions and esterification reaction occur at least in part substantially simultaneously. Preferably, catalyst is employed for said chain extension and esterification reactions. The coating composition further comprises polyfunctional aminoplast crosslinking agent, for example, hexamethoxymethylmelamine, and polycarboxy functional polymeric catalyst.

Abstract: This invention provides novel resin systems and high solids, solvent-based chain-extendable, self-crosslinking coating compositions comprising same. The resin systems comprises novel diblocked diisocyanate urea urethane oligomers of molecular weight about 300 to 5000. The resin system further comprises a polyepoxide, preferably a diepoxide, of molecular weight about 100 to 1000 used generally with said oligomer in weight ratio of about 1:1 to about 1:10, respectively. The resin components provide chain-extension polymerization during cure at elevated temperature, in situ, on the surface of a substrate. The resin system is also self-crosslinking. That is, no additional crosslinking component is required to cure the composition. The cured coatings of the invention provide greatly improved physical properties, in particular, greatly improved corrosion resistance.