An improved photoimagable cationically polymerizable epoxy based solder mask is provided that contains a non-brominated epoxy resin system and from about 0.1 to about 15 parts, by weight per 100 parts of resin system, of a cationic photoinitiator. The non-brominated epoxy-resin system has solids tha.....
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Waste management > Pollution control
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To effectively utilize a high-molecular weight material containing acrylonitrile-styrene or acrylonitrile-styrene-conjugated diene or one of their used materials as a higher additional value substance. The objective method of producing soil conditioner comprises and acid treatment step where a ploly.....
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This is the clearing technology that an object, such as parts or components, having oil substances thereon is cleaned efficiently with water. This technology can effectively prevent the removed oil substances from re-sticking to the surface of the object, after the oil substances is once removed fro.....
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The invention proposed herein offers an in-situ process for the generation of metal nanoparticles supported on polymeric nanofibers. Although there are technologies for the generation of this type of catalytic nanofibers already known in the literature, these methods can only be achieved by addition.....
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