Gas separation membranes are provided and more particularly, a series of addition-type and ROMP type polynorbornenes with substituents derived from Mizoroki-Heck reactions are provided and have particular utility as gas separation membranes for natural gas upgrading.

Methods of forming a porphene polymeric material are provided. The resulting material can be a porphene or a metalloporphene polymeric material. The structure of the polymer can be selected based on a material provided in the monomer material. Methods of using the polymeric material are also provided.

Disclosed are methods, compositions, reagents, systems, and kits to prepare and utilize branched multi-functional macromonomers, which contain a ring-opening metathesis polymerizable norbornene group, one or more reactive sites capable of undergoing click chemistry, and a terminal acyl group capable of undergoing a coupling reaction; branched multi-cargo macromonomers; and the corresponding polymers are disclosed herein. Various embodiments show that the macromonomers and polymers disclosed herein display unprecedented control of cargo loading of agents. These materials have the potential to be utilized for the treatment of diseases and conditions such as cancer and hypertension.

A composition comprising a monomer of the general formula (M1) wherein M is a metal or semimetal of main group 3 or 4 of the periodic table; X.sup.M1, X.sup.M2 are each O; R.sup.M1, R.sup.M2 are the same or different and are each an —CR.sup.aR.sup.b—Ar—O—R.sup.c; Ar is a C.sub.6 to C.sub.30 carbocyclic ring system; R.sup.a, R.sup.b are the same or different and are each H or C.sub.1 to C.sub.6 alkyl; R.sup.c is C.sub.1-C.sub.22-alkyl, benzyl or phenyl; q according to the valency and charge of M is 0 or 1; X.sup.M3, X.sup.M4 are the same or different and are each O, C.sub.6 to C.sub.10 aryl, or —CH.sub.2—; R.sup.M3, R.sup.M4 are the same or different and are each R.sup.M1, H, C.sub.1-C.sub.22 alkyl, or a polymer selected from a polyalkylene, a polysiloxane, or a polyether.

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A method for preparing a hydrogel includes forming a pre-gel comprising polymer and metal salt particles, unidirectionally-shrinking and dehydrating the pre-gel, and impregnating the unidirectionally shrunk and dehydrated pre-gel with an ion solution to crosslink and rehydrate the unidirectionally shrunk and dehydrated pre-gel to produce the hydrogel.

The invention relates to 1) a hydrocarbonated polymer comprising two alcoxysilane end groups of formula (1), and 2) a method for producing said polymer, an adhesive composition comprising said polymer and the use of said adhesive composition.

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The present invention relates to a facile process for the preparation of non-covalently cross-linked self-assembled perylene bisimide nano structures using hydrogen bonding interactions with poly-4-vinyl pyridine or oligophenylene vinylene (OPV) as structural motif.

The present invention relates to compositions comprising at least one polymer containing repeat triarylamine units and comprising at least one salt, to processes for production thereof and to the use thereof in electronic devices, especially in organic electroluminescent devices, called OLEDs (OLED=organic light-emitting diodes). The present invention also further relates to organic electroluminescent devices comprising these compositions.

A mixing head 3 which mixes a first preparative liquid formulation containing a norbornene-based monomer with a second preparative liquid formulation containing a metathesis polymerization catalyst includes a casing 4, a cap 7, and a mixing rotor 6. A plurality of protrusions 622 includes first protrusions 622a having a width in the axial direction of the mixing rotor 6 larger than that in the circumferential direction, and second protrusions 622b having a width in the axial direction of the mixing rotor 6 smaller than that in the circumferential direction. First and second protrusion rows 623a and 623b are alternately arranged, the first protrusion rows 623a being formed of the first protrusions 622a aligned at a predetermined interval, the second protrusion rows 623b being formed of the second protrusions 622b aligned at a predetermined interval.

Provided is an electrically conductive elastomer with high stretchability and high durability. A method of synthesizing an electrically conductive elastomer includes (a) preparing a eutectic solvent by mixing quaternary ammonium salt and organic acid, and (b) adding and blending the eutectic solvent with poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS), a photocuring agent, and a crosslinker and performing photopolymerization.