Abstract:
A device and a process for applying multiple plasma coating layers in a vacuum, and a product created from that process. The process includes disposing a substrate in a vacuum chamber and applying multiple plasma coating layers to the substrate without breaking vacuum.
Abstract:
A reinforced composition includes particular amounts of a compatibilized blend including a polyamide, a polyphenylene ether, a functionalizing agent in an amount sufficient to effect compatibilization, and optionally, a high impact polystyrene, wherein a weight ratio of the polyamide to the polyphenylene ether and the high impact polystyrene is 1:2 to 3:1. The reinforced composition further includes of glass fibers having a dielectric constant of less than 5.0 at a frequency of 1 MHz to 1 GHz and a dissipation factor of less than 0.002 at a frequency of 1 MHz to 1 GHz. The composition has a dielectric constant of less than 4 at a frequency of 1 MHz to 5 GHz and a dissipation factor of less than 0.012 at a frequency of 1 MHz to 5 GHz.
Abstract:
A polycarbonate composition includes: 10 to 99 wt% of one or more bisphenol A polycarbonate homopolymers based on the total weight of the polycarbonate composition; a poly(carbonate- siloxane) having a siloxane content of 30 to 70 wt%, preferably 35 to 65 wt%, based on the total weight of the poly(carbonate-siloxane), optionally wherein the poly(carbonate-siloxane) is a poly(carbonate- siloxane) elastomer, in an amount effective to provide a total siloxane content of 0.5 to 10 wt% based on the total weight of the polycarbonate composition; and wherein a sample of the composition has improved chemical resistance as compared to a reference composition.