Abstract: A poly(phthalazinone sulfone) composition for articles of manufacture having such characteristics as high temperature resistance, good electrical properties, good chemical and solvent resistance and toughness consists essentially of a polymer of formula (I): wherein Z is a bisphenyl sulfone moiety of formula: (II): A is a phthalazinone moiety of formula (III): Cp is A, as defined above, or a biphenol moiety of formula (IV): x is an integer of at least 1; y is an integer of at least 1; and x+y=n, where n is an integer such that the polymer has a weight average molecular weight of about 20,000 to about 170,000, the composition comprising less than 5%, by weight, of low molecular weight oligomers; and having a glass transition temperature (Tg) from 225 to 305° C.

Abstract: The present invention provides high temperature compositions comprising blends of a first polymer, poly(aryl ether ketone phthalazinone)s, and a second polymer, selected from poly(aryl ether ketone)s, poly(aryl ketone)s, poly(ether ether ketone)s, poly(ether ketone ketone)s, or polybenzimidazoles, thermoplastic polyimides, polyetherimides, poly(aryl ether sulfone)s, poly(phenylene sulfide)s, and mixtures thereof. The compositions have improved high temperature characteristics, e.g., improved high temperature load capability and improved high temperature melt processibility.

Abstract: A workload indicating control circuit includes a coupling circuit, a square wave signal producing circuit, and an integral circuit. The coupling circuit induces a current output by a power input circuit of an electronic device and produces a proportional induced voltage, the current output by the power input circuit being proportional to the workload of the electronic device. The square wave signal producing circuit converts the induced voltage from the coupling circuit into a square wave voltage with corresponding amplitude. The integral circuit takes the square wave signal and modulates the square wave voltage into a sawtooth voltage, to drive the light-emitting unit to emit light according to the sawtooth voltage.

Abstract: The present invention relates to a process for the manufacturing of continuously shaped cured silicone articles, particularly extrusions articles and the use of silicone compositions containing a photoactivatable metal catalyst in said process, wherein the curing is initiated by visible or UV-light.

Abstract: A redundant power supply circuit includes a port detection circuit, a fixed state detection circuit, a voltage conversion circuit, and a control circuit. The port detection circuit detects and outputs a plurality of ready signals according to a plurality of power signals of a number of POE ports. The fixed state detection circuit outputs first control signals according to a predetermined voltage signal of a network device. The control circuit generates and sends enable signals to the voltage conversion circuit according to the first control signals and the plurality of ready signals. The voltage conversion circuit converts the plurality of power signals into driving voltage signals according to the enable signals. A POE system and method are also provided.

Abstract: A current regulation circuit includes a number of current regulation units. Each of the current regulation units includes a sampling unit, a mean conversion unit, a current integration unit, a comparison unit, and a voltage conversion unit. The sampling unit outputs sampling current signals according to output current signals of a POE port. The mean conversion unit converts the sampling current signals into mean current signals. The current integration unit integrates and converts the mean current signals output by the number of current regulation units into output reference current signals. The comparison unit compares the mean current signals with the reference current signals, and outputs comparison signals based on the comparison. The voltage conversion unit regulates the output current signals according to the comparison signals output by the comparison unit. A POE system and method are also provided.

Abstract: There is provided new mono-(meth)acrylate functionalized hydrophilic silicone monomers containing a polyether with branched linking group, useful in making water absorbing silicone-hydrogel films for contact lens applications. This invention also provides homo-polymers and copolymers made from the mono-(meth)acrylate functionalized hydrophilic silicone monomers described herein. Also provided is a process for producing the monomers and polymers described herein and contact lenses produced from the same.

Abstract: There is provided a mono-(meth)acrylate functionalized hydrophilic silicone monomers containing a polyether with branched linking group, useful in making water absorbing silicone-hydrogel films for contact lens applications. This invention also provides homo-polymers and copolymers made from the mono-(meth)acrylate functionalized hydrophilic silicone monomers described herein. Also provided is a process for producing the monomers and polymers described herein and contact lenses produced from the same.

Abstract: A workload indicating control circuit includes a coupling circuit, a square wave signal producing circuit, and an integral circuit. The coupling circuit induces a current output by a power input circuit of an electronic device and produces a proportional induced voltage, the current output by the power input circuit being proportional to the workload of the electronic device. The square wave signal producing circuit converts the induced voltage from the coupling circuit into a square wave voltage with corresponding amplitude. The integral circuit takes the square wave signal and modulates the square wave voltage into a sawtooth voltage, to drive the light-emitting unit to emit light according to the sawtooth voltage.

Abstract: A poly(phthalazinone sulfone) composition for molded articles having such characteristics as high temperature resistance, good electrical properties, good chemical and solvent resistance and toughness consists essentially of a polymer of formula (I): Cp-ZxA-Zy??(I) wherein Z is a bisphenyl sulfone moiety of formula: (II): A is a phthalazinone moiety of formula (III): Cp is A, as defined above, or a biphenol moiety of formula (IV): x is an integer of at least 1; y is an integer of at least 1; and x+y=n, where n is an integer such that the polymer has a weight average molecular weight of about 20,000 to about 170,000, the composition comprising less than 5%, by weight, of low molecular weight oligomers; and having a glass transition temperature (Tg) from 225 to 305° C.

Abstract: The present invention relates to a process for the manufacturing of continuously shaped cured silicone articles, particularly extrusions articles and the use of silicone compositions containing a photoactivatable metal catalyst in said process, wherein the curing is initiated by visible or UV-light.

Abstract: Compositions and methods for a melt processable semicrystalline poly(aryl ether ketone) incorporating phthalazinone and 4,4?-biphenol as comonomer units are described herein. The polymers are resistant to and insoluble in common organic solvents and liquids as well as in aggressive organic solvents such as chloroform and chlorinated liquids. The polymers are melt processable via techniques such as extrusion, injection molding, and compression molding. The semicrystalline poly(aryl ether ketone) containing phthalazinone comonomer units have properties which make them suitable for manufacturing high temperature resistant molded systems and other articles.

Abstract: There is provided a mono-(meth)acrylate functionalized hydrophilic silicone monomers containing a polyether with branched linking group, useful in making water absorbing silicone-hydrogel films for contact lens applications. This invention also provides homo-polymers and copolymers made from the mono-(meth)acrylate functionalized hydrophilic silicone monomers described herein. Also provided is a process for producing the monomers and polymers described herein and contact lenses produced from the same.

Abstract: A poly(phthalazinone sulfone) composition for molded articles having such characteristics as high temperature resistance, good electrical properties, good chemical and solvent resistance and toughness consists essentially of a polymer of formula (I): ?Cp-Z?x?A-Z?y??(I) wherein Z is a bisphenyl sulfone moiety of formula: (II): A is a phthalazinone moiety of formula (III): Cp is A, as defined above, or a biphenol moiety of formula (IV): x is an integer of at least 1; y is an integer of at least 1; and x+y=n, where n is an integer such that the polymer has a weight average molecular weight of about 20,000 to about 170,000, the composition comprising less than 5%, by weight, of low molecular weight oligomers; and having a glass transition temperature (Tg) from 225 to 305° C.

Abstract: A silicone rubber exhibiting antimicrobial efficacy contains: a) at least one silicone rubber derived from a curable silicone rubber-forming composition; b) at least one silver-containing antimicrobial agent incorporated in silicone rubber (a) in X weight percent amount; and, c) at least one carboxylic acid incorporated in silicone rubber (a) in Y weight percent amount, silver-containing antimicrobial agent (b) when incorporated by itself in silicone rubber (a) in an amount of X+Y weight percent therein and carboxylic acid (c) when incorporated by itself in silicone rubber (a) in an amount of X+Y weight percent therein imparting no significant antimicrobial activity to silicone rubber (a) but in the combination therein of up to X weight percent silver-containing antimicrobial agent (b) and up to Y weight percent carboxylic acid (c) imparting significant antimicrobial activity to silicone rubber (a), such activity being exhibited at the interface of an exposed surface of silicone rubber (a) and a microbe-popul

Abstract: The present invention provides high temperature compositions comprising blends of a first polymer, poly(aryl ether ketone phthalazinone)s, and a second polymer, selected from poly(aryl ether ketone)s, poly(aryl ketone)s, poly(ether ether ketone)s, poly(ether ketone ketone)s, or polybenzimidazoles, thermoplastic polyimides, polyetherimides, poly(aryl ether sulfone)s, poly(phenylene sulfide)s, and mixtures thereof. The compositions have improved high temperature characteristics, e.g., improved high temperature load capability and improved high temperature melt processibility.

Abstract: Compositions and methods for a melt processable semicrystalline poly(aryl ether ketone) incorporating phthalazinone and 4,4?-biphenol as comonomer units are described herein. The polymers are resistant to and insoluble in common organic solvents and liquids as well as in aggressive organic solvents such as chloroform and chlorinated liquids. The polymers are melt processable via techniques such as extrusion, injection molding, and compression molding. The semicrystalline poly(aryl ether ketone) containing phthalazinone comonomer units have properties which make them suitable for manufacturing high temperature resistant molded systems and other articles.

Abstract: Organo-titanate catalysts are prepared that are useful to catalyze depolymerization of a polyester to produce macrocyclic oligoesters substantially free from macrocyclic co-oligoesters.

Abstract: A silicone rubber exhibiting antimicrobial efficacy contains: a) at least one silicone rubber derived from a curable silicone rubber-forming composition; b) at least one silver-containing antimicrobial agent incorporated in silicone rubber (a) in X weight percent amount; and, c) at least one carboxylic acid incorporated in silicone rubber (a) in Y weight percent amount, silver-containing antimicrobial agent (b) when incorporated by itself in silicone rubber (a) in an amount of X+Y weight percent therein and carboxylic acid (c) when incorporated by itself in silicone rubber (a) in an amount of X+Y weight percent therein imparting no significant antimicrobial activity to silicone rubber (a) but in the combination therein of up to X weight percent silver-containing antimicrobial agent (b) and up to Y weight percent carboxylic acid (c) imparting significant antimicrobial activity to silicone rubber (a), such activity being exhibited at the interface of an exposed surface of silicone rubber (a) and a microbe-popul

Abstract: The present invention relates to a process for the manufacturing of continuously shaped cured silicone articles, particularly extrusions articles and the use of silicone compositions containing a photoactivatable metal catalyst in said process, wherein the curing is initiated by visible or UV-light.