Abstract: A polymer comprising wherein Ar1 and Ar2 are optional and either the same or different and independently selected from an aryl group or an heteroaryl group. In this polymer, W is selected from the group consisting of: S, Se, O, and N-Q; and Q is selected from the group consisting of: a straight-chain or branched carbyl, silyl, or hydrocarbyl, a branched or cyclic alkyl with 1 to 30 atoms, a fused substituted aromatic ring, and a fused unsubstituted aromatic ring. Additionally, in the polymer, R1 is selected from the group consisting of: a straight-chain or branched carbyl, silyl, or hydrocarbyl, a branched or cyclic alkyl with 1 to 30 atoms, a fused substituted aromatic ring, and a fused unsubstituted aromatic ring and wherein x+y=1.

Abstract: Disclosed herein are polymers comprising at least one unit of formulae (1a)-(1f):

Abstract: The present invention generally relates to electrochromic compounds, the synthesis method and the uses thereof, particularly to a family of conjugated electrochromic polymers containing solubilizing side chains, where at least one side chain contains amide functional groups. The disclosed conjugated electrochromic polymers with amide-containing side chains demonstrated excellent redox switching in not only organic but also aqueous media while maintaining high photo contrast. The presence of the amide groups is also beneficial when it comes to lower the oxidation onset potential of the polymers, making them attractive candidates for electrochromic in aqueous environment.

Abstract: Water soluble light harvesting multichromophores having pendant chromophore groups are provided. The light harvesting multichromophore has a polymeric backbone including non-conjugated repeat units and a plurality of pendant donor chromophore groups linked to a non-conjugated repeat unit of the polymeric backbone. A pendant chromophore group can be a BODIPY group substituted with one or more water soluble groups. Polymeric tandem dyes based on the subject multichromophores are provided that further include an acceptor fluorophore linked to a non-conjugated repeat unit of the polymeric backbone and configured in energy-receiving proximity to a pendant donor chromophore group. Also provided are labelled specific binding members that include the subject polymeric tandem dyes. Methods of evaluating a sample for a target analyte and methods of labelling a target molecule in which the subject polymeric tandem dyes find use are provided. Systems and kits for practicing the subject methods are also provided.

Abstract: An adhesive formulation comprising a) a polyurethane composition; and b) a latent catalyst which is the reaction product of i) an amidine-containing compound, a guanidine-containing compound, or an amine-containing compound; ii) carbon dioxide; and iii) water, an alcohol, an amine, or a thiol, is disclosed.

Abstract: Novel support material formulations, characterized as providing a cured support material with improved dissolution rate, while maintaining sufficient mechanical strength, are disclosed. The formulations comprise a water-miscible non-curable polymer, a first water-miscible, curable material and a second, water-miscible material that is selected capable of interfering with intermolecular interactions between polymeric chains formed upon exposing the first water-miscible material to curing energy. Methods of fabricating a three-dimensional object, and a three-dimensional object fabricated thereby are also disclosed.

Abstract: A method of forming a polymer, the method comprising combining 4-bromo-7-[5-bromo-4-(alkyl)thiophen-2-yl]-6-chloro-5-fluoro-2,1,3-benzothiadiazole, (3,3?-difluoro-[2,2?-bithiophene]-5,5?-diyl)bis(trimethylstannane), [4-(alkyl)-5-[5-(trimethylstannyl)thiophen-2-yl]thiophen-2-yl]trimethylstannane, tris(dibenzylideneacetone), and dipalladium P(o-tol)3 tris(2-methylphenyl)phosphane to form the polymer: In this polymer, W is selected from the group consisting of: S, Se, O, and N-Q. Additionally, Q is selected from the group consisting of: a straight-chain carbyl, silyl or hydrocarbyl, branched, cyclic alkyl with 1 to 30 atoms, and fused aromatic rings.

Abstract: Provided are a continuous production method and a continuous production apparatus utilizing the solution polycondensation for aromatic cyclic oligomers, which achieve a good space-time yield and are inexpensive and simple. The continuous production method includes: (a) supplying a polymerization solvent and a reaction raw material to a continuous production apparatus; (b) performing a polymerization reaction in the reaction vessels to form a reaction mixture; (c) removing water in gas phase parts of the reaction vessels from the reaction vessels; and (d) successively moving the reaction mixture to each of the reaction vessels; the steps (a), (b), (c), and (d) being performed in parallel; wherein an amount of the polymerization solvent in the reaction vessel positioned furthest downstream in a movement direction of the reaction mixture is not less than 1 L and not greater than 50 L per 1 mol of arylene units in the reaction raw material.

Abstract: The production method of the present invention includes a step of supplying an organic polar solvent, a sulfur source, and a dihalo aromatic compound as reaction raw materials to at least one of a plurality of reaction vessels mutually communicated via a gas phase; a step of removing at least a portion of the water present in the reaction vessels; and a step of performing a polymerization reaction. These steps are carried out in parallel, and the reaction mixture is sequentially moved between reaction vessels. At that time, the internal temperatures of the reaction vessels are all not less than 150° C.

Abstract: A thermally activated delayed fluorescence (TADF) polymeric material having a molecular structure formed by a main chain of a polymerized TADF and a side chain connected to alkyl chains is provided. This structure of the TADF polymeric material has excellent TADF properties and solubility. Further, an electroluminescent device is prepared by solution processing and a good device effect is obtained.

Abstract: In the present invention, a composition comprising two types of thienothiophene compounds selected from the group consisting of the compounds indicated by formulas (1) to (4) (in formulas (1) to (4), either one of R1 and R2 represents an alkyl group, an aromatic hydrocarbon group having an alkyl group or a heterocyclic group having an alkyl group, and the other represents a hydrogen atom, an aromatic hydrocarbon group, a heterocyclic group or a substituent represented by formula (5) (in formula (5), R3 represents an aromatic hydrocarbon group or a heterocyclic group)) can form an organic thin film which is homogeneous over a large area, and an organic semiconductor device including the organic thin film is capable of exhibiting high mobility.

Abstract: A high molecular weight compound according to the present invention includes a substituted triarylamine structural unit represented by a general formula (1) below, where Ar1 and Ar2 are a divalent aromatic hydrocarbon group or a divalent aromatic heterocyclic group, R1 and R2 represent a hydrogen atom, a heavy hydrogen atom, a fluorine atom, a chlorine atom, a cyano group, a nitro group, an alkyl group, a cycloalkyl group, an alkenyl group, an alkyloxy group, or a cycloalkyloxy group, X, Y and Z are, on the condition that at least one of them is an aryl group or a heteroaryl group, an aryl group, a heteroaryl group, or a group similar to the groups represented by R1 and R2 above.

Abstract: The present disclosure relates to a preparation method of a polyarylene sulfide, and this method may produce a polyarylene sulfide having properties equal to or higher than those of the conventional method at a high yield by adding an acidic compound in addition to existing materials for dehydration.

Abstract: The invention relates to a blend containing an electron acceptor and an electron donor, the acceptor being an n-type semiconductor which is a small molecule that does not contain a fullerene moiety, the electron donor being a p-type semiconductor which is a conjugated polymer comprising donor and acceptor units in random sequence, to a formulation containing such a blend, to the use of the blend in organic electronic (OE) devices, especially organic photovoltaic (OPV) devices, perovskite-based solar cell (PSC) devices, organic photodetectors (OPD) and organic light emitting diodes (OLED), and to OE, OPV, PSC, OPD and OLED devices comprising the blend.

Abstract: The present disclosure relates to a preparation method of a polyarylene sulfide, and this method may produce a polyarylene sulfide having properties equal to or higher than those of the conventional method at a high yield by adding an aliphatic amino acid hydrochloride in addition to existing materials for dehydration.

Abstract: The organic semiconductor polymers relate to polymers containing an indolo-naphthyridine-6,13-dione thiophene (INDT) chromophore. The organic semiconductor polymers are formed by polymerizing INDT monomer with thiophene to obtain a conjugated polymer of the chromophore linked by thiophene monomers (INDT-T), with phenyl to obtain a conjugated polymer of the chromophore linked by phenyl monomers (INDT-P), with selenophene to obtain a conjugated polymer of the chromophore linked by selenophene monomers (INDT-S), or with benzothiadazole to obtain a conjugated polymer of the chromophore linked by benzothiadazole monomers (INDT-BT).

Abstract: Provided are a diamine-based compound having a certain formula and an organic light-emitting device including the same.

Abstract: The present invention provides a continuous polymerization apparatus capable of simply and efficiently separating a polymer and solid matter from a reaction mixture while having an apparatus configuration conducive to washing and maintenance, and a continuous production method for a polymer. A continuous polymerization apparatus (100) includes a plurality of reaction vessels (1a to 1c), wherein the plurality of reaction vessels are configured such that reaction mixtures (9a to 9c) successively move through each reaction vessel; in the plurality of reaction vessels, gas phase parts formed above the reaction mixture communicate with one another; and the continuous polymerization apparatus includes a washing part (5), the washing part configured to separate a solid included in the reaction mixture by sedimentation and to perform countercurrent washing.

Abstract: Provided are a polymer containing S,S-dioxide-dibenzothiophene in backbone chain with content-adjustable triarylamine end groups, and a preparation method and an application thereof. Triarylamines hole-transport small molecules are introduced into the polymer end group, and a content of the triarylamine end groups can be adjusted by controlling a polymer molecular weight, so that the polymer has better electron-transport and hole-transport capabilities, and charge carrier transport can be balanced, so that more exciton recombination takes place effectively, thus improving the luminous efficiency and stability of the polymer. The polymer is prepared by a Suzuki polymerization reaction and does not require synthesis of new monomers. The polymer material is used for preparing highly effective and stable monolayer devices, and is dissolved directly in an organic solvent, then spin-coated, ink-jet printed, or printed to form a film.

Abstract: A polymer containing an optionally substituted repeat unit of formula (I) wherein each R is the same or different and represents H or an electron withdrawing group, and each R1 is the same or different and represents a substituent.