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15634results about "Fibre treatment" patented technology

Fabric or garment with integrated flexible information infrastructure

A fabric, in the form of a woven or knitted fabric or garment, including a flexible information infrastructure integrated within the fabric for collecting, processing, transmitting and receiving information concerning-but not limited to-a wearer of the fabric. The fabric allows a new way to customize information processing devices to "fit" the wearer by selecting and plugging in (or removing) chips/sensors from the fabric thus creating a wearable, mobile information infrastructure that can operate in a stand-alone or networked mode. The fabric can be provided with sensors for monitoring physical aspects of the wearer, for example body vital signs, such as heart rate, EKG, pulse, respiration rate, temperature, voice, and allergic reaction, as well as penetration of the fabric. The fabric consists of a base fabric ("comfort component"), and an information infrastructure component which can consist of a penetration detection component, or an electrical conductive component, or both. The preferred penetration detection component is a sheathed optical fiber. The information infrastructure component can include, in addition to an electrically conductive textile yarn, a sensor or a connector for a sensor. A process is provided for making an electrical interconnection between intersecting electrically conductive yarns. Furthermore, a process is established for sheathing the plastic optical fiber and protecting it.
Owner:GEORGIA TECH RES CORP

Fluoropolymer dispersion containing no or little low molecular weight fluorinated surfactant

In an aspect of the invention, a fluoropolymer dispersion, preferably a PTFE dispersion, is provided that comprises fluoropolymer particles having an average particle size of 10 to 400 nm dispersed in water whereby the dispersion has an amount of solids between 35 and 70% by weight. The dispersion is free of fluorinated surfactant having a molecular weight of less than 1000 g / mol (hereinafter called low molecular weight fluorinated surfactant) or contains the low molecular weight fluorinated surfactant in an amount of not more than 0.05% by weight based on the total weight solids of the dispersion. The dispersion further comprises a non-ionic non-fluorinated surfactant or mixture of non-ionic non-fluorinated surfactants and one or more non-fluorinated anionic surfactants. Through the use of a non-fluorinated anionic surfactant, a dispersion is obtained that has a low viscosity at room temperature (20° C.). The dispersion is further free of aromatic group containing non-ionic surfactants and is accordingly environmentally more friendly and can yield coatings that are less susceptible of discoloration. The amount and nature of the non-ionic non-fluorinated surfactant or mixture of non-ionic non-fluorinated surfactants is selected such that the Viscosity Transition Temperature (VTT) (measured as set forth in the examples) of the fluoropolymer dispersion is at least 26, preferably at least 28° C. In a further aspect of the invention, a method is provided to obtain the aforementioned dispersion.
Owner:3M INNOVATIVE PROPERTIES CO
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