An electret is disclosed including: a carrier, and polytetrafluoroethylene having a melting point of 35 C. or higher and 320 C. or lower deposited on the carrier, wherein the electret imparts an electrostatic charge to at least one of the carrier and the polytetrafluoroethylene, and has two or more melting point peaks in simultaneous thermogravimetry and differential thermal analysis. An electret filter is disclosed which preferably is used for a filter which requires durability to tobacco smoke. An electret filter is also disclosed having a fluorine-containing component deposited on a fiber surface, wherein an initial QF value is 0.5 mmAq.sup.1 or more in collection efficiency of particles having a particle diameter of 0.3 to 0.5 m at a wind speed of 5 cm/s, and a filter deterioration rate by tobacco smoke loading is 8/(g/m.sup.2) or more.

A fabric printable medium includes a fabric base substrate, which includes yarn strands and voids among the yarn strands. The fabric printable medium further includes a finishing coating attached to the yarn strands of the fabric base substrate to form coated yarn strands. The finishing coating includes a first and a second crosslinked polymeric network. The fabric printable medium has pore spaces among the coated yarn strands that coincide with at least some of the voids of the fabric base substrate.

A fouling-proof structure is applicable to synthetic leather or fabric and it includes an alcohol-resistant layer; and a water-based fouling-proof layer disposed on the alcohol-resistant layer, wherein the alcohol-resistant layer is formed by curing an alcohol-resistant combination, and the alcohol-resistant combination comprises polyurethane resin, wherein the water-based fouling-proof layer is formed by curing a water-based fouling-proof combination, and the water-based fouling-proof combination comprises polyurethane resin, water, polymerized siloxanes, water-based PTFE and silicone oil.

A method of producing a fouling-proof structure, comprising steps of a) coating an alcohol-resistant combination on a substrate and then drying the alcohol-resistant combination at 80-160 C. to form an alcohol-resistant layer; and b) coating a water-based fouling-proof combination on the alcohol-resistant layer and then drying the water-based fouling-proof combination above 140 C. to form a water-based fouling-proof layer, wherein the alcohol-resistant layer is formed by curing an alcohol-resistant combination, and the alcohol-resistant combination comprises polyurethane resin, wherein the water-based fouling-proof layer is formed by curing a water-based fouling-proof combination, and the water-based fouling-proof combination comprises polyurethane resin, water, polymerized siloxanes, water-based PTFE and silicone oil.

A coated woven fabric including an impregnated woven structure having a woven structure of plain or twill woven yarns of twisted aramid fibers, wherein the impregnated woven structure is impregnated with an organofluorine compound and the fibers have a linear density of 350 to 1000 dtex and a coating layer provided on at least one side of the impregnated woven structure.

A fabric printable medium includes a fabric base substrate, which includes yarn strands and voids among the yarn strands. The fabric printable medium further includes a finishing coating attached to the yarn strands of the fabric base substrate to form coated yarn strands. The finishing coating includes polymeric compound or a mixture of polymeric compounds having a glass transition temperature is less than 15 C. The fabric printable medium has pore spaces among the coated yarn strands that coincide with at least some of the voids of the fabric base substrate.

An air bag coated with a cured organopolysiloxane composition, characterized in that the air bag is top coated with an antifriction coating comprising at least one solid lubricant dispersed in an organic polymer binder.

The present invention is a paint composition containing (A) a fluorine-containing copolymer, (B) a solvent and (C) a resin particle satisfying the following conditions 1 to 5:

condition 1: an average particle size of the resin particle is 0.1 to 50 m;
condition 2: a refractive index of the resin particle at 20 C. is 0.8 to 1.2 times that of a film composed of the fluorine-containing copolymer (A) at 20 C.;
condition 3: a 10% compression strength of the resin particle is 40 MPa or less;
condition 4: a compressibility of the resin particle is 20% or more; and
condition 5: the resin particle does not suffer from brittle fracture under a load force of 0.1 mN.

An example composition includes a cloth, which has on each side thereof, a first waterproofing agent, a barrier which inhibits or prevents environmental degradation, and an elastomeric barrier including a second waterproofing agent. Another example composition includes a cloth with a phenolic resin coating having, on each side thereof, a first waterproofing agent, a barrier which inhibits or prevents environmental degradation, and an elastomeric barrier including a second waterproofing agent.

An anti-fouling heterophasic thermoset polymeric coating is provided that includes a continuous phase and a discrete phase defining a plurality of domains distributed therein. Each domain has an average size of about 100 nm to about 5,000 nm. The continuous phase includes a fluorine-containing polymer component formed from a fluorine-containing polyol precursor having a functionality of greater than 2. The discrete phase includes a fluorine-free component. At least a portion of the fluorine-free component in the discrete phase is bonded together with a moiety selected from the group consisting of a nitrogen-containing moiety, an oxygen-containing moiety, an isocyanate-containing moiety, and a combination thereof. Methods of treating an article to form such anti-fouling heterophasic thermoset polymeric coating are provided, as are liquid precursors to form the coating.