Abstract: A resin, method of resin infusion, and parts formed thereby are disclosed. The method is particularly useful in greatly strengthening appearance prototypes such as those formed on powder bed three-dimensional printers to make them suitable for handling and testing in a host of environments. The method comprises heating the liquid resin to lower its viscosity, infusing a porous form with the heated resin and curing the infused resin to form the part. The liquid resin is typically heated from about 35° C. to about 80° C. and most preferably is under vacuum with the porous form submerged therein to facilitate infusion. Excess resin is removed from the porous form and reusable for subsequent infusion. The resin-infused form is then cured, typically by heating in the range of 100° C. to 200° C. Resulting parts may be very hard and have very high compressive strengths, even exceeding 30,000 psi.

Abstract: The present invention provides a liquid water-swellable coating compound, which is substantially devoid of volatile non-reactives. The water-swellable coating compound can be applied, to an article and cross-linked in place on the article to create a water-swellable, super absorbent polymer coating. The super absorbent polymer coating of the present invention is a flexible water-absorbent coating and comprises a cross-linked polymer prepared by polymerizing a reactive mixture, which comprises: substantially between thirty-five weight percent (35%) and ninety-nine and nine-tenths weight percent (99.9%) of one or more amine neutralized monomer; substantially between one tenth of one weight percent (0.1%) and fifteen weight percent (15%) cross-linking monomer; substantially between zero weight percent (0%) and fifty weight percent (50%) water soluble, substantially monofunctional oligomer; and substantially between one-half of one weight percent (0.

Abstract: The present invention provides an improved optical fiber tight buffermaterial. The improved material is a ultraviolet (UV) light curable polymer matrix, which is applied to optical fibers and is substantially instantaneously cured, in-place at ambient temperatures. The use of the disclosed UV-light curable tight buffermaterial allows for greatly increased optical fiber buffering operations and provides an improved end product, which does not exhibit any significant optical signal loss after an optical fiber is coated according to the invention.

Abstract: An improved, iron-style golf club, which comprises a substantially perimeter weighted clubhead, including an exceptionally hard coating, which is metallurgically bonded to the front face of the clubhead. The rear face of the club comprises concentric recesses substantially co-located at the center of gravity of the clubhead. The recesses are sequentially filled with a variable amount of elastomer material, which is chemically bonded within the recesses. The elastomer acts as both a shock absorber to minimize the shock experienced when the superhard clubface impacts a golf ball and simultaneously acts as a swingweighting medium to variably adjust the swingweight of the club.

Abstract: A resist film composed of a water-soluble polyvinyl alcohol, a water-soluble thermosetting polymethylol cross-linking agent and a polyaryl iodonium or sulfonium salt of a complex halogenide as catalyst, when irradiated with ultraviolet light and then heated, or when heated and irradiated with ultraviolet light, under a circuit mask, provides a latent image which is developable by water alone.

Abstract: A resist film composed of a water-soluble polyvinyl alcohol, a water-soluble thermosetting polymethylol cross-linking agent and a polyaryl iodonium or sulfonium salt of a complex halogenide as catalyst, when irradiated with ultraviolet light and then heated, or when heated and irradiated with ultraviolet light, under a circuit mask, provides a latent image which is developable by water alone.

Abstract: A resist film composed of a water-soluble polyvinyl alcohol, a water-soluble thermosetting polymethylol cross-linking agent and a polyaryl iodonium or sulfonium salt of a complex halogenide as catalyst, when irradiated with ultraviolet light and then heated, or when heated and irradiated with ultraviolet light, under a circuit mask, provides a latent image which is developable by water alone.