Patent classifications
C08G63/12
Growth factor-loaded elastic poly(xylitol-dodecanedioic acid) polymer for tissue engineering
A novel polymer is provided by polymerization of xylitol and dodecanedioic acid. The polymer, poly(xylitol-dodecanedioic acid) or PXDDA, shows high elasticity. PXDDA significantly improves cell adhesion and promotes cell proliferation compared to an FDA-approved polymer, poly(lactic acid), and tissue-culture plates. PXDDA can be synthesized by a simple melt condensation polymerization without the use of any toxic catalysts.
Growth factor-loaded elastic poly(xylitol-dodecanedioic acid) polymer for tissue engineering
A novel polymer is provided by polymerization of xylitol and dodecanedioic acid. The polymer, poly(xylitol-dodecanedioic acid) or PXDDA, shows high elasticity. PXDDA significantly improves cell adhesion and promotes cell proliferation compared to an FDA-approved polymer, poly(lactic acid), and tissue-culture plates. PXDDA can be synthesized by a simple melt condensation polymerization without the use of any toxic catalysts.
BIORENEWABLE ELASTOMER GEL AND USES THEREOF
The present disclosure provides elastomer compositions and methods of preparing such compositions. The crosslinked polyester elastomer compositions can be formulated into various personal care formulations.
CURABLE COMPOSITION, CURED PRODUCT, COLOR FILTER, SOLID-STATE IMAGING ELEMENT, AND IMAGE DISPLAY DEVICE
Provided are a curable composition including a colorant, a resin, and a thiol compound, in which a thiol value is 6×10.sup.−6 mmol/g to 6×10.sup.−4 mmol/g; a curable composition including a colorant, a resin, and a thiol compound, in which a content of the thiol compound is 1 ppm to 99 ppm; a cured product of the curable composition; a color filter including the cured product; and a solid-state imaging element and an image display device including the color filter.
CURABLE COMPOSITION, CURED PRODUCT, COLOR FILTER, SOLID-STATE IMAGING ELEMENT, AND IMAGE DISPLAY DEVICE
Provided are a curable composition including a colorant, a resin, and a thiol compound, in which a thiol value is 6×10.sup.−6 mmol/g to 6×10.sup.−4 mmol/g; a curable composition including a colorant, a resin, and a thiol compound, in which a content of the thiol compound is 1 ppm to 99 ppm; a cured product of the curable composition; a color filter including the cured product; and a solid-state imaging element and an image display device including the color filter.
Method for Preparing High Molecular Weight Polybutylene Succinate
A method for preparing high molecular weight polybutylene succinate includes: (a) using maleic anhydride (MAH) and C1-C4 alcohols to produce dialkyl maleates and water, in which dialkyl fumarate is calculated as dialkyl maleate of an equivalent mole. A reactive distillation process is used for the purification and obtains dialkyl maleates; (b) selective hydrogenation of those dialkyl maleates in the presence of high pressure hydrogen to produce the corresponding dialkyl succinates; (c) condensation of dialkyl succinates with mostly 1,4-butanediol (BDO) and other aliphatic diols to produce high molecular weight polybutylene succinates by adding catalysts. Compared with the existing technologies, the present procedure uses a new source of raw bulk feedstocks, and circumvents or overcomes problems associated with the acidic monomer's corrosiveness, excessive formation of by-products, low yields of desired products and the relatively low molecular weight of the polybutylene succinate produced by existing technologies.
Bio-based MEG and polyester compositions and methods of making the same
Disclosed are bio-based mono-ethylene glycol (MEG) compositions containing from about 1 ppm to about 5000 ppm of at least one C3-C12 1,2-diol, bio-based polyester compositions made therefrom, and methods of making the same are disclosed. Preforms and blow-molded polyester containers prepared from the bio-based MEG and polyester are described.
METHOD FOR PRODUCING A MIXTURE COMPRISING AT LEAST ONE COMPOUND HAVING AT LEAST TWO HYDROXY AND/OR AMINO GROUPS AND USE THEREOF FOR PRODUCING A POLYMER
The present invention relates to a method for producing a mixture comprising at least one compound having at least two hydroxy and/or amino groups made of a biomass material. The invention also relates to such a mixture and to the use thereof for producing a polymer such as for example a polyurethane foam.
ADHESION PROMOTING COMPOSITIONS AND METHOD OF IMPROVING FUEL RESISTANCE OF A COATED ARTICLE
The present invention is directed to film-forming compositions comprising: a) a non-chlorinated, linear polyolefin polymer comprising 0.5 to 10 percent by weight residues of an ethylenically unsaturated anhydride or acid; b) an aminoplast; and c) a component comprising: i) at least one non-chlorinated hydrocarbon having at least 18 carbon atoms and optionally aromatic groups and/or oxygen heteroatoms; and/or ii) an alkyd resin. The present invention is also drawn to methods of improving fuel resistance of a coated article, comprising: (1) applying the film-forming composition to a substrate to form a coated substrate; (2) optionally subjecting the coated substrate to a temperature for a time sufficient to cure the film-forming composition; (3) applying at least one curable film-forming composition to the coated substrate to form a multi-layer coated substrate; and (4) subjecting the multi-layer coated substrate to a temperature and for a time sufficient to cure all of the film-forming compositions.
BINDER RESIN COMPOSITION FOR TONERS
The present invention relates to a binder resin composition capable of giving a toner remarkably excellent in fusing property on polypropylene films, and to a toner for developing electrostatic images that contains the binder resin composition. [1] A binder resin composition for toners, containing an amorphous polyester resin which has a polyester resin-derived constituent moiety that is a constituent moiety derived from a polyester resin and a modified polypropylene polymer A-derived constituent moiety that is a constituent moiety derived from a modified polypropylene polymer A having a carboxylic acid group or a carboxylic anhydride group and in which the polyester resin-derived constituent moiety and the modified polypropylene polymer A-derived constituent moiety bond to each other via a covalent bond, wherein the polymer A is a polypropylene polymer terminally-modified with an unsaturated bond-having carboxylic acid compound or an anhydride thereof, and in the polyester resin, the amount of the polymer A-derived constituent unit is 8 parts by mass or more and 30 parts by mass or less relative to 100 parts by mass of the total of the alcohol component and the carboxylic acid component constituting the polyester resin-derived constituent moiety; and [2] a toner for developing electrostatic images, containing the binder resin composition of [1].