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.

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.

Various embodiments relate generally to the preparation of functional quaternary ammonium salts. More particularly, various embodiments relate to the preparation of hydroxyl group functionalized quaternary ammonium halides. Various embodiments also relate to the preparation of photocurable quaternary ammonium halides from the hydroxyl group functionalized quaternary ammonium halides. In other embodiments, preparation of hydrolytically curable quaternary ammonium halide derivatives by a sol-gel process is also disclosed. Said hydroxyl group functionalized quaternary ammonium halides are useful for making polymers, which are useful as water insoluble, non-leaching, active by contact antifouling materials.

To produce quickly and easily an open cell rigid polyurethane foam having a uniform and low density, a method for producing an open cell rigid polyurethane foam is provided, the method comprising foaming a mixed liquid of (1) a polyol-containing component comprising (a) a polyol mixture, (b) a catalyst, and (c) a foaming agent (c), and (2) a polyisocyanate component. The foaming agent consists of water and an adduct of a primary or secondary amine compound and carbon dioxide, the amount of the water is 10 to 80 parts by mass based on 100 parts by mass of the polyol mixture, and the amount of the adduct is 1 to 20 parts by mass based on 100 parts by mass of the polyol mixture.

Provision of hydroxyl group functionalized quaternary ammonium halides, photocurable or hydrolytically curable urethane based polymers thereof and their use as antifouling agents.

Disclosed is a composition and process for making a water blown semi-rigid polyurethane foam wherein the polyisocyanate side and the polyol side are combined under ambient temperature conditions. Said foams are particularly suited for sound and vibration management, especially in motor vehicles.

A polyurethane insulation foam composition is disclosed herein. The polyurethane insulation foam comprises: (i) an isocyanate compound; (ii) an isocyanate reactive compound; (iii) water; (iv) a heterocyclic amine compound; (v) a hydrophilic carboxylic acid compound; (vi) a halogenated olefin compound; and (vii) optionally, other additives.

A pour-in-place polyurethane insulation foam composition is disclosed herein. The polyurethane insulation foam comprises: (i) an isocyanate compound; (ii) an isocyanate reactive compound; (iii) water; (iv) a heterocyclic amine compound; (v) a hydrophilic carboxylic acid compound; (vi) a halogenated olefin compound; and (vii) optionally, other additives.

A polyurethane insulation foam composition is disclosed herein. The polyurethane insulation foam comprises: (i) an isocyanate compound; (ii) an isocyanate reactive compound; (iii) water; (iv) a tertiary amine compound; (v) a hydrophilic carboxylic acid compound; (vi) a halogenated olefin compound; and (vii) optionally, other additives.

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.