A composition having a polymer having a polymer matrix, a first stabilizer molecule within the polymer matrix, and a second stabilizer molecule within the polymer matrix, the first stabilizer molecule having the structure: ##STR00001##
wherein each R.sub.1-R.sub.4 is independently selected from the group consisting of C.sub.1-22 alkyl, C.sub.6-40 cycloalkyl, C.sub.2-20 alkyl glycol ether, and Y—OH; each Y is independently selected from the group consisting of C.sub.2-40 alkylene, C.sub.2-40 alkylene lactone, and C.sub.6-40 cycloalkylene; m is an integer ranging from 1 to 100; and x is an integer ranging from 1 to 1,000; the second stabilizer molecule is a monophosphite having an aryl moiety; wherein the claimed composition does not include a hindered phenolic antioxidant, lactone stabilizer, or hydroxylamine stabilizer.

A composition having a polymer having a polymer matrix, a first stabilizer molecule within the polymer matrix, and a second stabilizer molecule within the polymer matrix, the first stabilizer molecule having the structure: ##STR00001##
wherein each R.sub.1-R.sub.4 is independently selected from the group consisting of C.sub.1-22 alkyl, C.sub.6-40 cycloalkyl, C.sub.2-20 alkyl glycol ether, and Y—OH; each Y is independently selected from the group consisting of C.sub.2-40 alkylene, C.sub.2-40 alkylene lactone, and C.sub.6-40 cycloalkylene; m is an integer ranging from 1 to 100; and x is an integer ranging from 1 to 1,000; the second stabilizer molecule is a monophosphite having an aryl moiety; wherein the claimed composition does not include a hindered phenolic antioxidant, lactone stabilizer, or hydroxylamine stabilizer.

Polymeric particles are provided for use in therapeutic and/or diagnostic procedures. The particles include poly[bis(trifluoroethoxy)phosphazene and/or a derivative thereof which may be present throughout the particles or within an outer coating of the particles. The particles may also include a core having a hydrogel formed from an acrylic-based polymer. Such particles may be provided to a user in specific selected sizes to allow for selective embolization of certain sized blood vessels or localized treatment with an active component agent in specific clinical uses. Particles of the present invention may further be provided as color-coded microspheres or nanospheres to allow ready identification of the sized particles in use. Such color-coded microspheres or nanospheres may further be provided in like color-coded delivery or containment devices to enhance user identification and provide visual confirmation of the use of a specifically desired size of microspheres or nanospheres.

Polymeric particles are provided for use in therapeutic and/or diagnostic procedures. The particles include poly[bis(trifluoroethoxy)phosphazene and/or a derivative thereof which may be present throughout the particles or within an outer coating of the particles. The particles may also include a core having a hydrogel formed from an acrylic-based polymer. Such particles may be provided to a user in specific selected sizes to allow for selective embolization of certain sized blood vessels or localized treatment with an active component agent in specific clinical uses. Particles of the present invention may further be provided as color-coded microspheres or nanospheres to allow ready identification of the sized particles in use. Such color-coded microspheres or nanospheres may further be provided in like color-coded delivery or containment devices to enhance user identification and provide visual confirmation of the use of a specifically desired size of microspheres or nanospheres.

Disclosed are polymers with a complex branched structure (star- or tree-shaped) obtainable by polymerizing a bifunctional type AB monomer and/or type AA+BB monomers in the presence of: a) one or more polyamine and/or a polyacid and/or a polyalcohol and/or more generally a compound (such as POSS) having at least three functional groups such as amino, carboxylic acid or hydroxyl functions; b) one or more phosphorus containing molecules reacting with only one reactive group during the polymerization; c) optionally one or more organic acid and/or an amine and/or an alcohol having one or two functional groups.

Provided is a thermosensitive phosphazene-based polymer including an amino acid ester moiety, a polyethyleneglycol moiety, and a moiety including a sulfate group linked directly or by a linker in a predetermined ratio, a method of preparing the same, and a hydrogel-formable composition including the same. For example, a hydrogel formed from the composition may be used for tissue regeneration or drug delivery or used as a storage, a body tissue regeneration inducer, or a filler in a body.

Provided is a thermosensitive phosphazene-based polymer including an amino acid ester moiety, a polyethyleneglycol moiety, and a moiety including a sulfate group linked directly or by a linker in a predetermined ratio, a method of preparing the same, and a hydrogel-formable composition including the same. For example, a hydrogel formed from the composition may be used for tissue regeneration or drug delivery or used as a storage, a body tissue regeneration inducer, or a filler in a body.

A composition includes a polyphosphoric acid-modified acrylic polyol, wherein the polyphosphoric acid-modified acrylic polyol has greater than zero, but less than 1.0 wt % modification with polyphosphoric acid.

A composition includes a polyphosphoric acid-modified acrylic polyol, wherein the polyphosphoric acid-modified acrylic polyol has greater than zero, but less than 1.0 wt % modification with polyphosphoric acid.

The present technology provides an epoxy resin composition for a fiber-reinforced composite material, a method for producing an epoxy resin composition for a fiber-reinforced composite material, a prepreg, and a honeycomb panel. The epoxy resin composition for a fiber-reinforced composite material of the present technology contains: a reaction product obtained by reacting 100 parts by mass of a phosphorus-containing epoxy resin containing a phosphorus atom in the backbone thereof, and not less than 5 parts by mass and not greater than 20 parts by mass of an amino-terminated butadiene-acrylonitrile rubber; an epoxy resin other than the phosphorus-containing epoxy resin; a curing agent; and a curing accelerator.