The present disclosure provides a light emitting device having an anode and a cathode, and a first layer and a second layer disposed between the anode and the cathode.

The present disclosure provides a light emitting device having an anode and a cathode, and a first layer and a second layer disposed between the anode and the cathode.

Disclosed is a bis-imide compound comprising two or more aryl moieties substituted with ethynyl moieties and the two or more aryl moieties each having one or more polar substituents. Further disclosed is a polymer composition comprising a copolymer polymerized from a monomer mixture of (a) one or more first monomers comprising a bis-imide compound comprising two or more aryl moieties substituted with ethynyl moieties and the two or more aryl moieties each having one or more polar substituents; and (b) one or more second monomers comprising two or more cyclopentadienone moieties. The polymer compositions exhibit favorable properties for use in electronics and displays applications.

Disclosed is a coating comprising a polymeric layer, wherein the polymeric layer comprises a reaction product of a first monomer comprising two or more aromatic acetylene groups and a second monomer comprising two or more cyclopentadienone groups, or a cured product of the reaction product. The coating may or may not additionally contain a crosslinker and/or a thermal acid generator. Optical thin films made from the coatings exhibit refractive indices that make them useful as interlayers for matching refractive indices between adjacent layers of display devices; thereby improving device output efficiency.

A light emitting device having an anode, a cathode, a first organic layer and a second organic layer disposed between the anode and the cathode is provided. The first organic layer is a layer containing a light emitting material represented by the formula (T) and the second organic layer is a layer containing a crosslinked body of a polymer compound containing a crosslink constitutional unit wherein the variable groups are as defined in the specification: ##STR00001##

A cyclic olefin-based copolymer resin composition includes a cyclic olefin-based copolymer (M); and a maleimide compound (L), in which the cyclic olefin-based copolymer (M) includes a cyclic olefin-based copolymer (m) including a repeating unit represented by a specific general formula, the maleimide compound (L) has a solubility parameter (SP value) obtained by Fedors method of 19J.sup.1/2/cm.sup.3/2 or more and 26J.sup.1/2/cm.sup.3/2 or less and includes a maleimide compound (1), which is a bismaleimide compound having at least two maleimide groups in a molecule, and when a total of the cyclic olefin-based copolymer (M) and the maleimide compound (L) is 100 parts by mass, a content of the maleimide compound (L) is 1 part by mass or more and 50 parts by mass or less.

The present invention relates to polymers comprising a repeating unit of the formula—[Ar.sup.3].sub.c—[Ar.sup.2].sub.b—[Ar.sup.1].sub.a—Y(R.sup.1).sub.n1 (R.sup.2).sub.n2—[Ar.sup.1′].sub.a—[Ar.sup.2′].sub.b′—[Ar.sup.3′].sub.c′— (I), wherein γ is a bivalent heterocyclic group, or ring system, which may optionally be substituted, Ar.sup.1, Ar.sup.1′Ar.sup.2, Ar.sup.2′, Ar.sup.3 and Ar.sup.3′ are independently of each other a C.sub.6-C.sub.24 arylen group, which can optionally be substituted, or a C.sub.2-C.sub.30 heteroarylen group, which can optionally be, Formula (1), substituted; at least one of R1 and R2 is a group of formula (II); and their use as organic semiconductor in organic devices, especially in organic photovoltaics and photodiodes, or in a device containing a diode and/or an organic field effect transistor. The polymers according to the invention can have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in organic field effect transistors, organic photovoltaics and photodiodes. ##STR00001##

1) Hydrocarbon-based copolymer comprising two end groups preceded by an ester function and chosen from a 2-oxo-1,3-dioxolan-4-yl (or cyclocarbonate), a dithiocyclocarbonate, an exo-vinylene cyclocarbonate and a 2-oxo-1,3-dioxolen-4-yl, the main chain of which comprises units (I) and (II) ##STR00001## in which R.sup.0 is notably a methyl radical; and the number-average molecular mass Mn of which is between 400 and 100 000 g/mol. 2) Process for preparing said copolymer, comprising: (i) a step of heating a statistical bipolymer A chosen from a poly(butadiene-isoprene), a poly(butadiene-myrcene) and a poly(butadiene-farnesene); and then (ii) a step of heating the product formed, in the presence of a chain-transfer agent. 3) Use as adhesive, as a mixture with an amine compound comprising at least two amine groups.

Elastic Parylene films produced via chemical vapor deposition polymerization (CVDP) on a substrate are disclosed.

The present disclosure provides compositions comprising: a) a copolymer prepared by a method comprising polymerizing in the presence of a metathesis catalyst: i) a first monomer, wherein each instance of the first monomer is independently of the formula:

##STR00001## or salt thereof; ii) a second monomer, wherein each instance of the second monomer is independently of the formula:

##STR00002## or a salt thereof; iii) optionally a third monomer, wherein the third monomer is different from the first monomer and the second monomer; and iv) optionally a reprocessing catalyst; and b) optionally the reprocessing catalyst; wherein the reprocessing catalyst is a Brønsted acid, Lewis acid, Brønsted base, Lewis base, or a salt thereof; provided that the composition comprises at least one of the reprocessing catalyst of iv) and the reprocessing catalyst of b). The compositions may be reprocessed (e.g., remolded) under elevated temperature and/or elevated pressure.