An amorphous polyester or copolyester composition comprises the reaction product of a crystalline or semicrystalline polyester or copolyester, optionally derived from a recycled waste stream, at least one diol or aromatic diacid or an ester of a diacid or a hydroxycarboxylic acid or a lactone or a dianhydride, and a catalyst, wherein the amorphous composition has a weight average molecular weight of at least 10,000 g/mol (polystyrene equivalent molecular weight) as measured by gel permeation chromatography.

Provided are new metal complexes having phenolic and macrocyclic amino ligands as well as to their use, in particular use for bleaching catalyst for detergent compositions and oxidative crosslinking catalyst for resins, containing said metal complexes. A formulation comprises at least a detergent, a metal complex, and optionally a source of hydrogen peroxide.

Provided are new metal complexes having phenolic and macrocyclic amino ligands as well as to their use, in particular use for bleaching catalyst for detergent compositions and oxidative crosslinking catalyst for resins, containing said metal complexes. A formulation comprises at least a detergent, a metal complex, and optionally a source of hydrogen peroxide.

A polyester polymer is polymerized from an alcohol component including a diol and a polyol and an acid component including terephthalic acid and isophthalic acid, with the terephthalic acid and isophthalic acid present in a desired molar ratio. The polyester polymer also includes carboxylic acid functional groups, a weight average molecular weight (MW) of at least 5000 Daltons (Da), and an acid value (AV) of 40 to 65. The polyester polymer may be formulated into a water-based coating composition for substrates such as articles of cookware to form a coating that is highly heat resistant and flexible while also providing non-stick properties with good release.

Methods for synthesizing and purifying oligopeptide-modified poly-beta-amino-esters (OM-PBAEs) and related polymers without using DMSO as a solvent yield OM-PBAEs with improved storage stability in biocompatible buffers. The polymers can be stored for extended periods and used to encapsulate nucleic acids and viral vectors losing transfection or transduction efficiency.

Methods for synthesizing and purifying oligopeptide-modified poly-beta-amino-esters (OM-PBAEs) and related polymers without using DMSO as a solvent yield OM-PBAEs with improved storage stability in biocompatible buffers. The polymers can be stored for extended periods and used to encapsulate nucleic acids and viral vectors losing transfection or transduction efficiency.

An aspect of the present disclosure is a composition that includes ##STR00001##
where R.sup.1 includes at least one of a saturated hydrocarbon and/or an unsaturated hydrocarbon, R.sup.3 includes at least one of a saturated hydrocarbon and/or an unsaturated hydrocarbon, A includes at least one of a saturated hydrocarbon or an unsaturated hydrocarbon, 1≤x≤1000, and 1≤y≤1000.

An aspect of the present disclosure is a composition that includes ##STR00001##
where R.sup.1 includes at least one of a saturated hydrocarbon and/or an unsaturated hydrocarbon, R.sup.3 includes at least one of a saturated hydrocarbon and/or an unsaturated hydrocarbon, A includes at least one of a saturated hydrocarbon or an unsaturated hydrocarbon, 1≤x≤1000, and 1≤y≤1000.

A composition comprising a pre-polymer having activated and functionalized groups on a polymeric backbone is disclosed. The composition may be used in a method of adhering or sealing tissue, or for adhering a medical device to the surface of a tissue.

A reactive oligomer has a backbone derived from at least one of polyamideimide, polyimide, polyetherimide, polyaryletherketone, polyethersulfone, polyphenylene sulfide, polyamide, polyester, polyarylate, polyesteramide, polycarbonate, polybenzoxazole or polybenzimidazole and functionalized with at least one unreacted functional group capable of thermal chain extension and crosslinking after formation of the reactive oligomer, wherein the reactive oligomer has an M.sub.n of about 250 to about 10,000 g/mol, calculated using the Carothers equation. Compositions comprising the reactive oligomer have at least one other component that includes a second reactive oligomer, an oligomer lacking unreacted functional groups capable of thermal chain extension and crosslinking, a thermoplastic polymer, a thermoplastic polymer having the same backbone repeat units as the reactive oligomer, a filler, or an additive. A method of manufacture of an article comprises heating a composition comprising the reactive oligomer at a sufficient temperature and time to shape and crosslink the reactive oligomer, including additive manufacturing.