The invention concerns a method and an equipment for treatment of a liquid flow (A) to be cleaned and passed into a flotation plant or equivalent. In the method, a part of the liquid flow (A) to be cleaned that flows along the flow line (11), or cleaned liquid coming from the outlet of the flotation plant, is passed along a first branch line (12) as a liquid flow (a1) into a pump (15). The suction...

A biaxially oriented polyester film composed of an intimate mixture of an aromatic polyester, barium sulfate particles having an average particle diameter of 0.1 to 10 micrometers, and an alkali metal or alkaline earth metal salt of a higher fatty acid having 8 to 34 carbon atoms. The fatty acid metal salt has a melting point in the range of 120 to 320 DEG C. The biaxially oriented polyester film...

PCT No. PCT/FR90/00908 Sec. 371 Date Jun. 5, 1992 Sec. 102(e) Date Jun. 5, 1992 PCT Filed Dec. 13, 1990 PCT Pub. No. WO91/08806 PCT Pub. Date Jun. 27, 1991.Alpine ski binding designed to hold the rear end of a boot in place on a ski. The binding comprises a body (3) connected to the ski, a device (2) for position-retention of the rear end of the boot, which is carried by the body, and a support pl...

A fire alarm system includes a receiver (1) adapted to detect the presence of a fire on the basis of analog detection data contained in a received signal which is connected by means of a transmission line (2) to a plurality of analog type sensors (3), each of which is arranged in a respective monitoring area monitored by the receiver and is adapted to produce analog detection data representative o...

Oriented polyester films primer coated with a hydrolyzed aminosilane are disclosed. These silanes in the unhydrolyzed state have the formula: XSi(R<2>)a(R<3>)b wherein X is a radical selected from the group consisting of H2NR<1>HNR<1> - and H2NR<1>HNR<1>HNR<1> -; the R<1>'s are the same or different groups selected from the group consisting of C1 to C8 alkyl or phenyl; R<2> is a hydrolyzeable gro...

A continuous process is provided for the preparation at ambient temperatures of a polymer-based foam sheet in which the foam is produced from a reaction product capable of curing at ambient temperatures formed by the reaction of a reactant composition comprising a prepolymer, such as an isocyanate-capped polyether, and water. The process includes providing a continous substrate (5); depositing sai...

PCT No. PCT/EP91/02407 Sec. 371 Date Jun. 15, 1993 Sec. 102(e) Date Jun. 15, 1993 PCT Filed Dec. 16, 1991 PCT Pub. No. WO92/11130 PCT Pub. Date Jul. 9, 1992.The present invention concerns a process for the preparation of foam-in-fabric articles useful in furniture and automotive applications such as car seats, arm seats and head rests. According to the present invention a flexible or semi-flexible...

A coating composition suitable for forming an adhesive primer layer on a hydrophobic polyester resin support, wherein said coating composition essentially consists of (an) addition polymerizable monomer or mixture of such monomers having dissolved therein at least one of the polymers (i) and/or (ii), wherein : i) is a linear copolyester of isophthalic acid and at least one other dibasic carboxyl...

The recovery is of synthetic waste and/or used synthetic material from poly-adducts of diols and diisocyanates, esp. from polyurethanes, where the raw materials are comminuted, mixed with diol(s) (pref. pre-heated) and converted by applying heat and mechanical energy to a polyol mixt., followed by use of the sec. polyol obtd. as raw material in prodn. of new synthetics. (a) the comminuted raw mate...

Multi-parameter video technical analysis process for liq. or gaseous media where reagent combinations come into contact with an analysing medium on a carrier material. These reagent combinations change colour in the presence of a corresp. chemical component proportionally to the amt. of this chemical component in the material to be analysed. This can be given a quantitative value. These reagent co...

A process for recycling the overspray from paint spraying booths, consisting of solvent-contg. 2-component polyurethane (PU) paint or moisture-drying 1-component PU paint (I), comprises: (i) isolating the paint slurry with water and a coagulant, (ii) mixing the slurry (opt. after removing water), with an organic solvent which is unreactive towards NCO gps., (iii) reacting the free NCO gps. with cp...

A process for the thermoplastic processing of polyurethanes (TPU) and/or TPU-ureas (I) with a ratio of (NCO gps.):(NCO-reactive gps.) = not more than 0.99 (i.e. a deficiency of isocyanate) comprises (i) adding 0.05-20 wt.% liq. polyisocyanate(s) (II) to (I) before or during thermoplastic processing and (ii) opt heating (I) after processing. Pref., addn. of the above amt. of (II) causes swelling o...

A system is provided for the delivery of a liquid anesthetic agent to an anaesthetic vaporizer (20). The system includes a supply container (24) having a spout (40) defining an outlet through which the agent can be discharged. A reservoir is provided in the vaporizer (20) for holding the agent, and a receiving station (22) is provided on the vaporizer (20) for receiving the container spout (40). T...

Multi-phase RF ablation employing a two-dimensional or three-dimensional electrode array produces a multitude of currents paths on the surface of the ablation zone. This results in a uniform lesion with a size defined by the span of the electrode array. An orthogonal electrode catheter array suitable for cardiac ablation is used in conjunction with a two-phase RF power source to produce uniform sq...

A system for automatically steering a vehicle through an irregular structure. A flexible lighting tube, in proximity to the back of the structure, communicates with at least one canted video camera. A processor takes the output of the camera, determines the position of the vehicle, and provides guidance to the vehicle's steering mechanism.

Processes are provided for improving the surface properties of polyimide articles, especially of those polyimide articles which contain significant amounts of transimide. The surface of the polyimide is first treated with a base to convert the surface layer of both the polyimides and the transimides to the polyamic salt. Thereafter the surface layer of the converted polyamic salt is treated with a...

An improved process for producing a vulcanized rubber-synthetic resin composite structure by injecting a molten synthetic resin into a mold in which a vulcanized rubber molding has been disposed, wherein said improvement comprises (I) chlorinating the surface of the vulcanized rubber molding which comes into contact with the synthetic resin, and forming on the chlorinated surface a curable adhesiv...

A prepreg impregnated with an epoxy resin composition useful for a chip-on-board, copper foil-laminated board and having high heat resistance, dimensional stability and silver migration-preventing properties, which contains an aromatic polyamide fiber base material of up to 3.0 wt % in equilibrium water content, up to 80 ppm in extracted sodium content and up to 50 ppm in extracted chlorine conten...

A highly rigid, impact-resistant molding, for which the melting point assignable to a syndiotactic polypropylene as measured by differential scanning thermal analysis at a temperature rise rate of 10 DEG C/min gives a single peak, is produced by melt molding a substantially syndiotactic homopolymer of propylene, a substantially syndiotactic copolymer thereof with a small amount of another olefin, ...

A process for extruding a smooth and uniform film or sheet of an ordered poly(ether ketone ketone) having a thickness of about 2.5 to 250 micrometers, wherein the molten extrudate is quenched on a drum maintained at a temperature of about 100-170 DEG C.