Patent classifications
C08F22/10
COMPOSITIONS CONTAINING 1,1-DISUBSTITUTED ALKENE COMPOUNDS FOR PREPARING POLYMERS HAVING ENHANCED GLASS TRANSITION TEMPERATURES
The disclosure relates to compositions containing 1,1-disubstituted alkene compounds capable of preparing polymers having glass transition temperatures above room temperature. The present teaching also relates to polymers prepared 1,1-disubstituted alkene compounds which exhibit glass transition temperatures of 60 C. The disclosure also relate to methods for enhancing the glass transition temperatures of polymers prepared from 1,1-disubstituted alkene compounds.
Polymer, process and composition
There is described a low number average molecular weight (M.sub.N<10 kD) and high glass transition temperature (>75 C.) copolymer (optionally a solid grade oligomer (SGO)) that comprises (a) at least 20 wt-% of itaconate functional monomer(s), (b) not more than 40% of a hydrophilic monomer, preferably an acid functional monomer(s) in an amount sufficient to achieve an acid value from 65 to 325 mg KOH per g of solid polymer; (c) optionally not more than 70% of other monomers not being either (a) or (b), having a max content of vinyl aromatic monomer(s) of 40 wt-% and/or max content of methacrylate(s) of 40 wt-%; where the weight percentages of monomers (a), (b) and (c) are calculated as a proportion of the total amount of monomers in the copolymer being 100%.
Polymer, process and composition
There is described a low number average molecular weight (M.sub.N<10 kD) and high glass transition temperature (>75 C.) copolymer (optionally a solid grade oligomer (SGO)) that comprises (a) at least 20 wt-% of itaconate functional monomer(s), (b) not more than 40% of a hydrophilic monomer, preferably an acid functional monomer(s) in an amount sufficient to achieve an acid value from 65 to 325 mg KOH per g of solid polymer; (c) optionally not more than 70% of other monomers not being either (a) or (b), having a max content of vinyl aromatic monomer(s) of 40 wt-% and/or max content of methacrylate(s) of 40 wt-%; where the weight percentages of monomers (a), (b) and (c) are calculated as a proportion of the total amount of monomers in the copolymer being 100%.
METHODS AND COMPOSITIONS RELATING TO TUNABLE NANOPOROUS COATINGS
Described herein are methods and compositions relating to tunable nanoporous coatings. In certain aspects, described herein are methods and compositions wherein a tunable nanoporous coating comprises a tunable nanoporous membrane which transitions from opaque to transparent upon the application of force, and from transparent to opaque after washing with a solvent.
Use of gastrointestinally administered porous enteron sorbent polymers to prevent or treat radiation induced mucositis, esophagitis, enteritis, colitis, and gastrointestinal acute radiation syndrome
Disclosed herein are compositions and methods for preventing or treating acute or chronic oral mucositis, esophagitis, enteritis, colitis, or gastrointestinal acute radiation syndrome (GI-ARS) caused by radiation exposure, using one or more enteron sorbent polymers administered gastrointestinally (e.g. orally, via feeding or gastric tube, via ostomy, or rectally).
Use of gastrointestinally administered porous enteron sorbent polymers to prevent or treat radiation induced mucositis, esophagitis, enteritis, colitis, and gastrointestinal acute radiation syndrome
Disclosed herein are compositions and methods for preventing or treating acute or chronic oral mucositis, esophagitis, enteritis, colitis, or gastrointestinal acute radiation syndrome (GI-ARS) caused by radiation exposure, using one or more enteron sorbent polymers administered gastrointestinally (e.g. orally, via feeding or gastric tube, via ostomy, or rectally).
Polymers including one or more 1,1-disubstituted alkene compounds and polymer compositions thereof
The disclosure relates to polymers including one or more 1,1-disubstituted alkene monomers. By employing a plurality of monomers and/or tailored chain structure, polymers having improved combinations of properties are achieved. The polymer may be a copolymer, preferably including two or more 1,1-disubstituted alkene monomers. The polymer may be a homopolymer having a tailored chain structure.
Composition for encapsulating organic light emitting diodes and organic light emitting display device comprising the same
The present invention relates to a composition for encapsulating an organic light-emitting device and an organic light-emitting display device including the composition. The composition effectively blocks moisture or oxygen flowing into the display device, thereby securing the performance and lifespan of the organic light emitting device. The composition has a low dielectric constant to improve the touch sensitivity of a touch panel.
CURABLE RESIN COMPOSITION, A CURED PRODUCT, A LAMINATED BODY COMPOSED OF A CURED PRODUCT, AND A METHOD FOR DISASSEMBLING THEREOF
The present invention relates to a curable resin composition capable of forming a cured product having excellent adhesive strength and easy dismantlability by an oxidizing agent, and capable of imparting excellent dismantlability when used as a primer to pretreat an adherend even when various adhesives, sealants, and coating agents are used. The curable resin composition includes the following components (A) and (B) but free of epoxy resin: Component (A): A compound having one or more (meth)acryloyl groups per molecule. Component (B): A hydrazide compound.
POLYMERS CONTAINING A 1,1-DISUBSTITUTED ALKENE COMPOUND
Disclosed is a block copolymer having a first polymer block including a first primary monomer that is a 1,1-disubstituted alkene compound, wherein the first primary monomer is present at a concentration of about 50 weight percent or more, based on the total weight of the first polymer block, the first polymer block covalently bonded to a second polymer block including a second primary monomer different from the first primary monomer, wherein the second primary monomer is present at a concentration of about 50 weight percent or more, based on the total weight of the second polymer block. Also disclosed is a polymer comprising at least one monomer of a 1,1-disubstituted alkene compound having a weight average molecular weight of about 3000 daltons or more, wherein the polymer is substantially free of a melting temperature and is substantially free of a glass transition temperature of about 15 C. or more.