Fluorescent water soluble conjugated polymers including polycyclic aromatic comonomers are provided. The conjugated polymers can be linked to an acceptor fluorescent dye. The conjugated polymers find use in conjugates with biological substrates having applications in a variety of applications including methods of analyte detection.

A method of forming a polymer, the method comprising combining 4,7-bis(5-bromo-4-alkyl thiophen-2-yl)-5-chloro-6-fluorobenzo[c][1,2,5]thiadiazole, (3,3′-difluoro-[2,2′-bithiophene]-5,5′-diyl)bis(trimethylstannane), and benzo[1,2-b:4,5-b′]dithiophene-2,6-diyl)bis(trimethylstannane), Pd2dba3 and P(o-tol)3 to form the polymer: ##STR00001## In this polymer, W is selected from the group consisting of: S, Se, O, and N-Q. Additionally, in this polymer 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. R.sub.1, R.sub.2, R.sub.3, R.sub.4, and R.sub.5 are independently selected from the group consisting of: F, Cl, I, Br, CN, —NCO, —NCS, —OCN, —SCN, —OX, —SX, —NH.sub.2, —C(═O)X, —C(═O)—OX, —OX, —NHX, —NXX′, —C(═O)NHX, —C(═O)NXX′, —SO.sub.3X, —SO.sub.2X, —OH, —NO.sub.2, CF.sub.3, —SF.sub.5, 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 heteroaromatic rings. Additionally, in this polymer wherein the fused aromatic rings can be independently fused with groups 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 the ratio of x is between 0.6 to 0.8 and y is between 0.2 and 0.4.

A light-emitting polymer comprising a light-emitting repeat unit in a backbone of the polymer, wherein the polymer has an anisotropy of no more than 0.8 and wherein a transition dipole moment of the light-emitting repeat unit is aligned with the polymer backbone.

Disclosed are an infrared absorbing polymer including a first structural unit represented by Chemical Formula 1 and a second structural unit including at least one of Chemical Formula 2A to Chemical Formula 2I, an infrared absorbing/blocking film, a photoelectric device, a sensor, and an electronic device.

The invention is directed to a conjugate having the general formula (I) With AR, MU and L1 as repeating units of a polymer MU is a polymer modifying unit or band gap modifying unit that is evenly or randomly distributed along the polymer main chain, L1 is an aryl or a heteroaryl group evenly or randomly distributed along the polymer, L2 is an aryl or a heteroaryl group located on the ends of the polymer, FL is a fluorescent moiety, G1 and G2 stand for hydrogen, halogen or an antigen recognizing moiety, with the provision than at least one of G1 or G2 is an antigen recognizing moiety, characterized in that AR is connected in the polymer chain via the 2,2′ or 3,3′ or 5,5′ or 6,6′ or 7,7′ or 8,8′ position according to general formula (II)

##STR00001##

Provided are a method for producing an anion exchange resin which is capable of producing an electrolyte membrane with excellent mechanical property (strength).

A monomer for forming a hydrophobic group is reacted with a monomer for forming a hydrophilic group in the presence of bis(1,5-cyclooctadiene)nickel(0) as a catalyst, 2,2′-bipyridine as a co-ligand, a bromide or an iodide as a co-catalyst, and a reducing agent to produce an anion exchange resin where the hydrophobic group is connected to the hydrophilic group via direct bond, in which a mole number of bis(1,5-cyclooctadiene)nickel(0) is 0.3 to 1.8 times a total mole number of the monomer for forming a hydrophobic group and the monomer for forming a hydrophilic group.

The invention provides for polymer structures and their preparation and resulting novel functionalities including open-shell character and high intrinsic conductivity with wide-range tenability. Electrical conductivity can be further modulated by introducing or blending with materials, fillers, dopants, and/or additives. The materials or resultant composites of the invention can be processed by various techniques into different forms to realize multiple applications.

A random copolymer comprising the monomer units A and B. In this random copolymer A comprises ##STR00001##
and B comprises ##STR00002##
Additionally, R1 R2, R3 and R4 are side chains independently selected from the group consisting of: H, Cl, F, CN, alkyl, alkoxy, alkylthio, ester, ketone and aryl groups. X1 and X2 are different and at least one is a Cl and the other is selected from the group consisting of: H, F, CN, alkyl, alkoxy, ester, ketone, amide and aryl groups.

Polymer comprising an indacen-4-one derivative, said polymer having general formula (IX), (X) or (XI): ##STR00001##
in which: W and W.sub.1, Z and Y, R.sub.1 and R.sub.2, are as described; D represents an electron-donor group; A represents an electron-acceptor group; n is an integer ranging from 10 to 500.

Disclosed is a hydrogenated norbornene ring-opened polymer, wherein a proportion of a norbornene-derived repeating unit is 90% by mass or more, a meso diad fraction of the norbornene-derived repeating unit is 80% or more, and in an X-ray diffraction pattern measured at 25° C. using a CuKα radiation source, an X-ray diffraction peak is observed which has a peak top positioned in a diffraction angle (2θ) range of 17° or more and 18° or less.