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Melt devolatilization extrusion processs
Brominated organic polymer solutions from a bromination reaction are devolatilized in a devolatilizing extruder. A starting organic polymer is brominated in solution to form a brominated polymer solution. This solution is combined with a second thermoplastic polymer to form a concentrated solution. The solvent and other volatile compounds are removed from...

Coating systems
The invention relates to a coating system, in particular a coating system containing an organometallic layer which allows the selective removal of post coating layers from substrates without detrimental impact to their “in-service” performance. The organometallic layer comprises (a) an organic polymer containing multi-chelating functionalities; and (b) a metallic agent which...

Method for coating plastic substrates
Additionally, provided are coated plastic substrates that have been coated by the methods of the invention. there being a period of up to 90 minutes between the ending of step (A) and the beginning of step (B). ...

Optical element and method for making same
An optical element includes a transparent substrate and a transparent optical film. The transparent substrate is made of an organic polymer. The transparent optical film is formed on the transparent substrate. A micro-structure pattern is formed on a surface of the transparent optical film. The transparent optical film is obtained by...

Conductive polymer comprising 3,6-carbazole and organic solar cell using same
and an organic polymer thin film solar cell including the same. The present invention relates a conductive polymer containing a 3,6-carbazole group represented by Chemical Formula 1...

Pigmented, fine-structured, tribological composite material
A composition for producing a tribological composite material includes at least one platelet-shaped solid-state lubricant, at least one type of inorganic, platelet-shaped pigment particles, at least one surface-active compound which possesses at least one hydrophilic group and at least one hydrophobic group, and a curable binder system comprising at least one...

Energetic three-dimensional artificial cardiac patch and uses thereof
In some embodiments, the present disclosure provides a method for fabricating a three-dimensional artificial cardiac patch construct. In some embodiments, such method includes the steps of coating a substrate with an organic polymer; allowing the organic polymer coating to air dry; mounting anchors on the organic polymer coating; and sterilizing the...

Composition for organic semiconductor insulating films, and organic semiconductor insulating film
The purpose of the invention is to provide: a composition for an organic semiconductor insulating film, which is capable of forming an insulating film that exhibits excellent hydrophobicity and smoothness of the surface, while having excellent electrical stability; and an organic semiconductor insulating film obtained by using the composition for an...

Polyamide composition for low temperature applications
A polyamide composition is formed from a low viscosity polyamide-6 and a nucleating agent. The nucleating agent includes an organic material, a first inorganic material and a second inorganic material. Suitable organic materials include organic polymers. Suitable inorganic metallic materials include metal oxides and silicates. The polyamide composition may include polyamide-66...

Inks and pastes for solar cell fabrication
A silicon solar cell is formed with an N-type silicon layer on a P-type silicon semiconductor substrate. An aluminum ink composition is printed on the back of the silicon wafer to form back contact electrodes. The back contact electrodes are sintered to produce an ohmic contact between the electrodes and the...

Nanoporous piezoelectric polymer films for mechanical energy harvesting
Piezoelectric materials based on nanoporous polymer foams are provided. Also provided are nanogenerators incorporating the piezoelectric materials, piezoelectric energy harvesters incorporating the nanogenerators and methods of making and using the same. The piezoelectric materials comprise a unitary nanoporous matrix composed of a piezoelectrically active organic polymer, in which the pores are...

Graphene-based metal diffusion barrier
Contacts for semiconductor devices are formed where a barrier layer comprising graphene is situated between a first layer comprising a conductor, and a second layer comprising a second conductor or a semiconductor. For example, a metal layer can be formed on a graphene layer residing on a semiconductor. The barrier layer...

Inorganic polymer/organic polymer composites and methods of making same
Inorganic polymer/organic polymer composites and methods for their preparation are described herein. The inorganic polymer/organic polymer composites comprise a first layer comprising an inorganic polymer and a second layer adhered to the first layer comprising an organic polymer. The inorganic polymer is formed by reacting, in the presence of water, a...

System and process for improving paper and paper board
The invention relates to a process for making paper or paper board comprising forming a cellulosic suspension, flocculating the suspension, draining the suspension on a device to form a sheet and then drying the sheet, characterised in that the suspension is flocculated using a formation improving 3-component flocculation system comprising a)...

Silicone resins
The invention relates to silicone resins comprising metallosiloxane which contains Si—O-Metal bonds and borosiloxane containing Si—O—B bonds and potentially Si—O—Si and/or M-O-M and/or B—O—B bonds. It also relates to the preparation of such silicone resins and to their use in thermoplastic or thermosetting organic polymer or rubber or thermoplastic/rubber blends compositions...

Concentrated borate crosslinking solutions for use in hydraulic fracturing operations
Disclosed are treating fluid compositions for use in subterranean hydraulic fracturing operations, wherein the fluid compositions contain a liquid, a crosslinkable organic polymer that is soluble in the liquid, and a concentrated borate solution containing a refined, readily-soluble borate, the borate solution being present as a crosslinking agent to crosslink the...

Electrochemical cells with glass containing separators
A coated method for the preparation of a separator comprising multiple layers of glass or glass and ceramic particles for use in an electrochemical cell, an electrochemical cell comprising such a separator and the use of such an electrochemical cell. The method comprises the steps of providing a mixture of an...

Threaded tubular component and method for coating such a threaded tubular component
The invention concerns a tubular element for drilling and/or working hydrocarbon wells, having an end () comprising at least one threaded zone (), characterized in that the end () is at least partially coated with a dry film () comprising a matrix () comprising a mixture of at...

Aerogel-based material that is super-insulating at atmospheric pressure
The present invention relates to a solid thermally insulating material, essentially free of phyllosilicates, comprising (a) from 70 to 98% by volume of hydrophobic silica aerogel particles having an intrinsic density between 110 and 210 kg/m, (b) from 0.3 to 12% by volume of an organic binder formed by at least...

Process for the chlorination of a hydroxylated organic compound
Process for the chlorination of an organic compound comprising at least one aliphatic hydroxyl group, said process comprising the steps of actively adding to said organic compound (i) hydrogen chloride and (ii) a HCl desolubilizer or a precursor thereof, and heating the resulting mixture at a reaction temperature in the range...

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Organic Polymer patents

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