For imparting enhanced water-repellency and oil-repellency properties to substrates compositions comprising blends of (A) one or more ester oligomers and (B) one or more polycarbodiimides. Also methods for applying such compositions and articles treated with such compositions.

Organic coating compositions, particularly antireflective coating compositions for use with an overcoated photoresist, are provided that comprise that a blend of two or more resins, where one resin has epoxy groups either pendant or fused to the polymer backbone. Preferred coating compositions include: 1) a first resin that comprises one or more epoxy reactive groups; and 2) a crosslinker resin that is distinct from the first resin and comprises epoxy groups.

A method of making a functionalized fluorinated monomer for use in making oligomers and polymers that can be used to improve surface properties of polymer-derived systems, such as coatings. The method of making a functionalized fluorinated monomer includes reacting at least one fluorinated nucleophilic reactant, such as a fluorinated alcohol, with at least one compound containing at least one epoxide group. Other methods include reaction of a fluorinated alcohol with a cyclic carboxylic anhydride. In another embodiment, a method includes reacting a fluorinated mesylate, tosylate or triflate with an amine, alkoxide or phenoxide. In other embodiments, the method includes reacting a fluorinated alcohol with an alkyl halide, or reacting a fluorinated alkyl halide with an amine. The functionalized fluorinated monomers may be used as intermediates and reacted to modify the functional groups thereon. Further, the functionalized fluorinated monomers may be reacted to form polymers or oligomers, or with polymers or oligomers having functional groups to modify the polymer or oligomer through the functional group thereon.

The present invention generally relates to the formation, chemistry and application of biologically active compositions. More particularly, the present invention relates to certain dyes, specifically porphyrin and chlorin derivatives, in combination with inventive polymers, i.e. light-cleavable polymers, that can be used as photosensitizer compositions for a wide range of light irradiation treatments such as photodynamic therapy of cancer, infections and other diseases. The dye derivatives may either be adsorbed on, or incorporated in, or attached to specific polymers, which as well form part of the invention.

Organic coating compositions, particularly antireflective coating compositions for use with an overcoated photoresist, are provided that comprise that a blend of two or more resins, where one resin has epoxy groups either pendant or fused to the polymer backbone. Preferred coating compositions include: 1) a first resin that comprises one or more epoxy reactive groups; and 2) a crosslinker resin that is distinct from the first resin and comprises epoxy groups.

A type of degradable polyester fiber and preparing method thereof are disclosed. The preparing method is to melt spinning a modified polyester with the fully drawn yarn (FDY) technique, and the modified polyester is composed of the terephthalic acid segments, the ethylene glycol segments, the 2,5,6,6-tetramethyl-2,5-heptanediol segments and the fluorinated dicarboxylic acid segments, wherein the fluorinated dicarboxylic acid is one selected from 2,2-difluoro-1,3-malonic acid, 2,2-difluoro-1,4-succinic acid, 2,2-difluoro-1,5-glutaric acid and 2,2,3,3-tetrafluoro-1,4-succinic acid. Moreover, the modified polyester is dispersed with the doped ZrO.sub.2 powder. The obtain fiber has an intrinsic viscosity drop of 23-28% when stored at 25° C. and R.H. 65% for 60 months. The method herein is of low cost and easy technologies, whereas the obtained fiber has a rapid natural degradation rate and a wide application prospect.

Methods, copolymer materials and devices are provided for embolic arterial interventions (embolization therapy or embolotherapy). More particularly, radiopaque, bioresorbable spherical microparticles for embolization or vascular occlusion therapies, comprising copolymers of iodine-containing, halogenated phenyl-containing units, such as iodinated desaminotyrosine derivatives, and rubbery components, such as polyethylene glycol (PEG), polycaprolactone (PCL), polytetramethylene oxide (PTMO) or polytrimethylene carbonate (PTMC), are provided. The provided microbeads may further contain, or be coated with, therapeutic agents such as paclitaxel, for targeted delivery of the therapeutics.

A method of making a functionalized fluorinated monomer for use in making oligomers and polymers that can be used to improve surface properties of polymer-derived systems, such as coatings. The method of making a functionalized fluorinated monomer includes reacting at least one fluorinated nucleophilic reactant, such as a fluorinated alcohol, with at least one compound containing at least one epoxide group. Other methods include reaction of a fluorinated alcohol with a cyclic carboxylic anhydride. In another embodiment, a method includes reacting a fluorinated mesylate, tosylate or triflate with an amine, alkoxide or phenoxide. In other embodiments, the method includes reacting a fluorinated alcohol with an alkyl halide, or reacting a fluorinated alkyl halide with an amine. The functionalized fluorinated monomers may be used as intermediates and reacted to modify the functional groups thereon. Further, the functionalized fluorinated monomers may be reacted to form polymers or oligomers, or with polymers or oligomers having functional groups to modify the polymer or oligomer through the functional group thereon.

A type of degradable polyester fiber and preparing method thereof are disclosed. The preparing method is to melt spinning a modified polyester with the fully drawn yarn (FDY) technique, and the modified polyester is composed of the terephthalic acid segments, the ethylene glycol segments, the 2,5,6,6-tetramethyl-2,5-heptanediol segments and the fluorinated dicarboxylic acid segments, wherein the fluorinated dicarboxylic acid is one selected from 2,2-difluoro-1,3-malonic acid, 2,2-difluoro-1,4-succinic acid, 2,2-difluoro-1,5-glutaric acid and 2,2,3,3-tetrafluoro-1,4-succinic acid. Moreover, the modified polyester is dispersed with the doped ZrO.sub.2 powder. The obtain fiber has an intrinsic viscosity drop of 23-28% when stored at 25° C. and R.H. 65% for 60 months. The method herein is of low cost and easy technologies, whereas the obtained fiber has a rapid natural degradation rate and a wide application prospect.

A type of wool-like polyester filament and preparing method thereof are disclosed. The preparing method is manufacturing filament from a modified polyester through a POY process and a successive DTY processes, wherein the modified polyester is the product of the esterification and the successive polycondensation reactions of evenly mixed terephthalic acid, 1,4-butanediol, fluorinated dicarboxylic acid, tert-butyl branched hexanediol and 2,5,6,6-tetramethyl-2,5-heptanediol. The obtained fiber has a dye uptake of 90.32-93.27% and a K/S value of 22.15-23.42 when dyed at 100° C., and has an intrinsic viscosity drop of 17-20% when stored at 25° C. and R.H. 65% for 60 months. This invention features a method with ease of application and a product with good dyeing and degradation performance.