The invention provides an associative polymer, a powder, and a process for making a powder including, networking one or more associative polymers and one or more optional surfactants to form a wet gel, and forming a powder from the wet gel, wherein the associative polymer(s) have a weight average molecular weight of from about 10 kDa to about 2,000 kDa.

The invention contemplates certain polyethers, polyether derivatives, and methods of making and using those same polymers. For example, the starting materials can, e.g., citronellol, prenol, isocitronellol and isoprenol.

A method for forming a bioactive agent spatially patterned includes providing a photocrosslinkable hydrogel that includes a photocrosslinkable base polymer, photocrosslinkable bioactive agent coupling polymer macromers, and at least one bioactive agent that couples to the photocrosslinkable bioactive agent coupling polymer macromer, an selectively exposing discrete portions of the photocrosslinkable hydrogel to actinic radiation effective to initiate cross-linking of the base polymer and the bioactive agent coupling polymer macromers at the exposed portions.

A composition includes a dual crosslinkable hydrogel that includes a plurality of polymer macromers, which are crosslinked with a first agent and a second agent different than the first agent, wherein the crosslinks formed using the second agent are reversible and repeatable to allow the mechanical properties of the hydrogel to be dynamically adjusted.

A polymer electrolyte composition includes a hard polymer segment covalently bound to an ionically-conducting segment, and a salt that includes an element M selected from an alkali metal, an alkaline earth metal, zinc, and aluminum. The hard polymer segment has a glass transition temperature (T.sub.g) greater than or equal to 110 C., or a melting temperature (T.sub.m) greater than 110 C. The ionically-conducting segment has a molecular weight of 800 to 10,000 g/mol. The polymer electrolyte composition has an ionic conductivity for an M ion greater than or equal to 110.sup.8 S/cm at 25 C. Methods for the preparation of the polymer electrolyte composition are also provided, as are articles (e.g., electrochemical cells and energy storage devices) that contain the polymer electrolyte composition.

A composite resin material including: a first organic resin having a phenylene ether structure; and a second organic resin having a main skeleton composed of a polyester structure, one of the first organic resin and the second organic resin forming a continuous phase, the other one thereof being present within the continuous phase, as organic resin particles having an average particle diameter of 1 m or less.

An interpenetrating polymer network (IPN) structured hydrogel includes a crosslinked first natural polymer macromer with a first elasticity and an interpenetrating network of crosslinked second natural polymer macromers having a second elasticity higher than the first elasticity, the IPN structured hydrogel being cytocompatible, and, upon degradation, produce substantially non-toxic products.

This invention is related to a method of manufacturing an anti-glare cover. The method includes preparing a crosslinking precursor solution, wherein the precursor solution is an organic solution with crosslinkable polymer monomer and crosslinking initiator; applying the crosslinking precursor solution on a cover to form a crosslinking precursor layer; pre-crosslinking and crosslinking the crosslinking precursor layer to form a mesh crosslinked layer; etching the cover with acid solution and the mesh crosslinked layer acting as a hard mask to form an anti-glare microstructure on the cover; and removing the mesh crosslinked layer.

This invention is directed to a biodegradable, semi-crystalline, phase separated thermoplastic multi-block copolymer, a process for preparing said multi-block copolymer, a composition for the delivery of at least one biological active compound, and to a method for delivering a biologically active compound to a subject in need thereof. A multi-block copolymer of the invention is characterized in that: a) it comprises at least one hydrolysable pre-polymer (A) segment and at least one hydrolysable pre-polymer (B) segment, b) said multi-block copolymer having a T.sub.g of 37? C. or less and a T.sub.m of 110-250? C. under physiological conditions; c) the segments are linked by a multifunctional chain-extender; d) the segments are randomly distributed over the polymer chain; e) at least part of the pre-polymer (A) segment is derived from a water-soluble polymer.

Provided is a hyperbranched polymer having such a backbone that is readily decomposable by an acid. The hyperbranched polymer is derived from, via reaction, monomers including a monomer (X) and a monomer (Y). The monomer (X) contains three or more hydroxy groups per molecule. The monomer (Y) contains two or more groups represented by General Formula (y) per molecule. The monomer (X) includes at least one compound selected from the group consisting of cyclodextrins, compounds represented by General Formula (I), pillararenes, compounds represented by General Formula (II), compounds represented by General Formula (III), and compounds represented by General Formula (IV). The monomer (Y) includes a compound represented by General Formula (1). General Formulae (y), (I), (II), (III), (IV), and (1) are expressed as follows: ##STR00001## ##STR00002##