Abstract: A durable ambient light curable waterproof liquid rubber coating with volatile organic compound (VOC) content of less than 450 grams per liter made from ethylene propylene diene terpolymer (EPDM) in a solvent, a photoinitiator, an additive, pigments, and fillers, and a co-agent and a method for making the formulation, wherein the formulation is devoid of thermally activated accelerators.

Abstract: A two part high solids low volatile organic compounds durable curable waterproof liquid rubber formulation with a solids content of at least 60 percent solids by volume based on the total coating formulation, wherein a first component has EPDM, a solvent, a curative, an additive, and a blend of a pigment and a filler. The second component contains solvent and a metal drier.

Abstract: A durable ambient light curable waterproof liquid rubber coating with volatile organic compound (VOC) content of less than 450 grams per liter made from ethylene propylene diene terpolymer (EPDM) in a solvent, a photoinitiator, an additive, pigments, and fillers, and a co-agent and a method for making the formulation, wherein the formulation is devoid of thermally activated accelerators.

Abstract: Latex blend formulations that include a high solids cross-linked ethylene propylene diene terpolymer latex with acrylics, polyurethane, epoxy, or alkyd resin usable as a waterproofing material for roofs or usable in paints and adhesives.

Abstract: A low pressure, low volatile, low energy method to make an ethylene, propylene diene terpolymer latex usable in paints, adhesives, and as a coating.

Abstract: A durable ambient light curable waterproof liquid rubber coating with volatile organic compound (VOC) content of less than 450 grams per liter made from ethylene propylene diene terpolymer (EPDM) in a solvent, a photoinitiator, an additive, pigments, and fillers, and a co-agent and a method for making the formulation, wherein the formulation is devoid of thermally activated accelerators.

Abstract: A durable ambient light curable waterproof liquid rubber coating with volatile organic compound (VOC) content of less than 450 grams per liter made from ethylene propylene diene terpolymer (EPDM) in a solvent, a photoinitiator, an additive, pigments, and fillers, and a co-agent and a method for making the formulation, wherein the formulation is devoid of thermally activated accelerators.

Abstract: A two part low volatile organic compounds (VOC) content ethylene propylene diene terpolymer formulation with a solids content of at least 60 percent solids by volume of the total formulation and a volatile organic compounds content less than 450 grams per liter, wherein a first component has EPDM, a solvent, a curative, an additive, and a blend of a pigment and a filler. The second component contains solvent and a metal drier. The invention includes a method for making the coating and a cured coated substrate with the cured waterproof rubber coating disposed thereon.

Abstract: A two part high solids low volatile organic compounds durable curable waterproof liquid rubber formulation with a solids content of at least 60 percent solids by volume based on the total coating formulation, wherein a first component has EPDM, a solvent, a curative, an additive, and a blend of a pigment and a filler. The second component contains solvent and a metal drier.

Abstract: A durable ambient light curable waterproof liquid rubber coating with volatile organic compound (VOC) content of less than 450 grams per liter made from ethylene propylene diene terpolymer (EPDM) in a solvent, a photoinitiator, an additive, pigments, and fillers, and a co-agent and a method for making the formulation, wherein the formulation is devoid of thermally activated accelerators.

Abstract: A durable ambient light curable waterproof liquid rubber coating with volatile organic compound (VOC) content of less than 450 grams per liter made from ethylene propylene diene terpolymer (EPDM) in a solvent, a photoinitiator, an additive, pigments, and fillers, and a co-agent and a method for making the formulation, wherein the formulation is devoid of thermally activated accelerators.

Abstract: A polymer composition of a compatibilized silica in blends of acrylonitrile butadiene polymer and styrene butadiene polymer comprising six to ninety percent by weight of a compatibilized silica, at least one percent by weight of a coupling agent, at least one percent by weight of a styrene butadiene polymer, and at least one percent by weight of an acrylonitrile butadiene polymer is described herein. The polymer composition can have a minimum amount of at least ten percent by weight of 15:50 ratio, acrylonitrile to butadiene polymer, with the remainder being compatibilized silica.

Abstract: A tester is configured to access and test each redundant channel of a voter. The tester is disposed between the voter and a multitude of redundant circuits supplying redundant channel signals to the voter. The tester includes a number of input ports receiving the redundant channel signals as well as the test signals. In response to a number of logic combinations of the test signals, the voter generates output signals each corresponding to one of the redundant channel signals. In response to other logic combinations of the test signals, the voter generates a voted output signal. The voter is optionally a majority voter.

Abstract: A pulse-width modulated (PWM) DC-DC converter has a multitude of redundant channels supplying PWM signals to a voter whose output voltage controls the regulated DC output voltage. To ensure that single transient events, single permanent faults, or mismatches in the electrical characteristics of the various components disposed in the redundant channels do not adversely affect the regulated DC output voltage, transitions of the PWM signal in each channel are compared to the corresponding transitions of the voter's output signal. If a PWM signal transition of a redundant channel is detected as occurring relatively earlier/later than the corresponding transition of the voter's output signal, the width of the PWM signal is increased/decreased. If a PWM signal transition of a redundant channel is detected as occurring within a predefined window of the corresponding transition of the voter's output signal, the width of the PWM signal is not changed.

Abstract: A tester is configured to access and test each redundant channel of a voter. The tester is disposed between the voter and a multitude of redundant circuits supplying redundant channel signals to the voter. The tester includes a number of input ports receiving the redundant channel signals as well as the test signals. In response to a number of logic combinations of the test signals, the voter generates output signals each corresponding to one of the redundant channel signals. In response to other logic combinations of the test signals, the voter generates a voted output signal. The voter is optionally a majority voter.

Abstract: A clock generation circuit, includes, in part, a comparator, a logic unit, and a switching circuit. The switching circuit generates a signal that is applied to the comparator. If the input voltage level of the signal applied to the comparator is greater than a first reference voltage, the comparator asserts its first output signals. If the input voltage level of the signal applied to the comparator is less than a second reference voltage, the comparator asserts its second output signal. The output signals of the comparator form a first pair of feedback signals applied to the switching circuit. The logic unit responds to the output signals of the comparator to generate a second pair of oscillating feedback signals that are also applied to the switching circuit. The switching circuit varies a capacitor voltage in response to a reference current and in response to the two pairs of feedback signals it receives.

Abstract: A clock generation circuit, includes, in part, a comparator, a logic unit, and a switching circuit. The switching circuit generates a signal that is applied to the comparator. If the input voltage level of the signal applied to the comparator is greater than a first reference voltage, the comparator asserts its first output signals. If the input voltage level of the signal applied to the comparator is less than a second reference voltage, the comparator asserts its second output signal. The output signals of the comparator form a first pair of feedback signals applied to the switching circuit. The logic unit responds to the output signals of the comparator to generate a second pair of oscillating feedback signals that are also applied to the switching circuit. The switching circuit varies a capacitor voltage in response to a reference current and in response to the two pairs of feedback signals it receives.

Abstract: A tester is configured to access and test each redundant channel of a voter. The tester is disposed between the voter and a multitude of redundant circuits supplying redundant channel signals to the voter. The tester includes a number of input ports receiving the redundant channel signals as well as the test signals. In response to a number of logic combinations of the test signals, the voter generates output signals each corresponding to one of the redundant channel signals. In response to other logic combinations of the test signals, the voter generates a voted output signal. The voter is optionally a majority voter.

Abstract: A polymer composition of a compatibilized silica in blends of acrylonitrile butadiene polymer and styrene butadiene polymer comprising six to ninety percent by weight of a compatibilized silica, at least one percent by weight of a coupling agent, at least one percent by weight of a styrene butadiene polymer, and at least one percent by weight of an acrylonitrile butadiene polymer is described herein. The polymer composition can have a minimum amount of at least ten percent by weight of 15:50 ratio, acrylonitrile to butadiene polymer, with the remainder being compatibilized silica.

Abstract: A process for forming a compatibilized silica and nitrile polymer blend in latex form is described herein. The process can include treating a silica with a coupling agent in aqueous suspension to form a compatibilized silica slurry. The coupling agent can have the capacity of chemically reacting with the surface of the silica to bond the coupling agent thereto. The process can include blending at least a portion of the compatibilized silica slurry into a styrene butadiene polymer latex, forming a silica styrene butadiene polymer latex, and blending at least a portion of the compatibilized silica slurry into an acrylonitrile butadiene polymer latex, forming a silica acrylonitrile butadiene polymer latex. The process can include blending the silica styrene butadiene polymer latex with the silica acrylonitrile butadiene polymer latex, forming the compatibilized silica and nitrile polymer blend.