Disclosed are a thin film transistor includes a gate electrode, an active layer including a semiconductor material and a first elastomer, a gate insulator between the gate electrode and the active layer, and a source electrode and a drain electrode electrically connected to the active layer, wherein each of the semiconductor material and the first elastomer has a hydrogen bondable moiety, and the semiconductor material and the first elastomer are subjected to a dynamic intermolecular bonding by a hydrogen bond and a thin film transistor array and an electronic device including the same.

A reaction system, such as for forming a rigid polyurethane foam, includes a flame retardant polyol that is a brominated reaction product of a cardanol component, a bromine component, and an additive component. The cardanol component includes at least 80 wt % of cardanol, based on the total weight of the cardanol component, and the bromine component including at least 80 wt % of bromine, based on the total weight of the bromine component.

The present invention provides a bio-electrode composition including: a resin containing a main chain having a urethane bond and two side chains each having a silicon-containing group; and an electro-conductive material, wherein the electro-conductive material is a polymer compound having one or more repeating units selected from fluorosulfonic acid salts shown by the following formulae (1)-1 and (1)-2, sulfonimide salts shown by the following formula (1)-3, and sulfonamide salts shown by the following formula (1)-4. This can form a living body contact layer for a bio-electrode that is excellent in electric conductivity and biocompatibility, light in weight, manufacturable at low cost, and free from large lowering of the electric conductivity even when it is wetted with water or dried. The present invention also provides a bio-electrode in which the living body contact layer is formed from the bio-electrode composition, and a method for manufacturing the bio-electrode.

A reactive UV absorber suitable for polyurethane is provided. The reactive UV absorber is a compound of formula 1: ##STR00001## wherein R1 is H or Cl.

The present disclosure provides a polymeric material including a reaction product of a polymerizable composition and having a solids content of 90% or greater. The polymerizable composition includes a uretdione-containing material including a reaction product of a diisocyanate reacted with itself, a first hydroxyl-containing compound having a single OH group, and a second hydroxyl-containing compound having more than one OH group. The first hydroxyl-containing compound is a primary alcohol or a secondary alcohol, plus the second hydroxyl-containing compound is a diol and the reaction product contains 0.2 to 0.5, inclusive, of diol equivalents relative to isocyanate equivalents. The present disclosure also provides a two-part composition, in which the polymeric material is included in the first part and the second part includes at least one amine. Further, a method of adhering two substrates is provided, including obtaining a two-part composition; combining at least a portion of the first part with at least a portion of the second part to form a mixture; disposing at least a portion of the mixture on a first substrate; and contacting a second substrate with the mixture disposed on the first substrate. The disclosure also provides a polymeric material and a method of making a two-part composition. Advantageously, two-part compositions according to the present disclosure can be used as coatings and adhesive systems with handling and performance similar to existing two-part urethane systems, but with less sensitivity to water.

A reactive UV absorber suitable for polyurethane is provided. The reactive UV absorber is a compound of formula 1:

##STR00001##

wherein R1 is H or Cl.

A photosensitive resin composition contains a polymer compound having a linking group represented by Formula A-1 in the main chain; and an infrared absorbing material. In Formula A-1, R.sup.1 and R.sup.2 each independently represent a hydrogen atom or a monovalent organic group, and X.sup.1 is a specific linking group. ##STR00001##

The invention pertains generally to a shelf-stable polyurethane HFO-blown two-component polyurethane foam composition which includes incorporating nitrogen-containing aminopolyols.

Techniques regarding chemical compounds comprising perfluoroaryl groups that can facilitate post-synthesis functionalization are provided. For example, one or more embodiments described herein can comprise a chemical compound. The chemical compound can comprise a molecular backbone. The chemical compound can also comprise a pendent functional group bonded to the molecular backbone. The pendent functional group can comprise a perfluoroaryl group and a methylene group.

Provided is a material having an excellent sound-absorbing performance which can be easily applied to the desired area at the operation site and which can effectively prevent sound leakage

The material includes a 2-part reactive urethane resin composition prepared from a polyisocyanate component and a polyol-containing component, wherein the polyol-containing component comprises a polyol component (a), catalysts (b), a foam stabilizer (c), an amine compound having primary or secondary amino groups (d), and carbon dioxide (e).

The 2-part reactive urethane resin composition, when cured, is an open-cell soft polyurethane foam, wherein the average sound absorption coefficient of said polyurethane foam is 30% or more, measured in accordance with JIS A 1405-2:2007 for 63 hertz to 5000 hertz.