Patent classifications
C08J2387/00
HYDROGEL
A novel mussel-inspired injectable hydrogel with self-healing and anti-biofouling capabilities is developed, possessing great potential as drug delivery carrier. The hydrogel can heal autonomously from repeated structural damage and also effectively prevent nonspecific cell attachment and biofilm formation.
Polymer electrolyte material, polymer electrolyte molded product using the polymer electrolyte material and method for manufacturing the polymer electrolyte molded product, membrane electrode composite, and solid polymer fuel cell
It is an object of the present invention to provide a polymer electrolyte material which has excellent proton conductivity even under the conditions of a low humidity or a low temperature and is excellent in mechanical strength and fuel barrier properties, and which moreover can achieve high output, high energy density and long-term durability in forming a polymer electrolyte fuel cell therefrom, and a polymer electrolyte form article using the same and a method for producing the same, a membrane electrode assembly and a polymer electrolyte fuel cell, each using the same. The present invention employs the following means. Namely, the polymer electrolyte material of the present invention is a polymer electrolyte material including a constituent unit (A1) containing an ionic group and a constituent unit (A2) substantially not containing an ionic group, wherein a phase separation structure is observed by a transmission electron microscope and a crystallization heat measured by differential scanning calorimetry is 0.1 J/g or more, or a phase separation structure is observed by a transmission electron microscope and the degree of crystallinity measured by wide angle X-ray diffraction is 0.5% or more. Also, the polymer electrolyte form article, the membrane electrode assembly and the polymer electrolyte fuel cell of the present invention are characterized by being composed of such polymer electrolyte materials.
Plant-derived polyamide-based elastomer foam molded body, method for manufacturing same, and foam particles thereof
A foam molded body having a rebound resilience coefficient equivalent to that of a petroleum-derived polyamide-based elastomer foam molded body, and excellent moldability during in-mold foaming; foam particles; and a method for producing the foam molded body. A polyamide-based elastomer foam molded body comprising 50 to 100 mass % of a block copolymer resin containing a polyamide block as a hard segment and a polyether block as a soft segment, wherein the copolymer resin has a biobased product content as measured by ASTM D6866 of 30% or more.
Polymer electrolyte composition, electrolyte membrane, membrane-electrode assembly and fuel cell
Provided are a polymer electrolyte composition, an electrolyte membrane, a membrane electrolyte assembly, and a fuel cell. The polymer electrolyte composition according to an exemplary embodiment of this application includes a first solvent, a second solvent which is different from the first solvent, and a polymer which is reacted with the first solvent and the second solvent, in which the polymer includes a functional group which reacts with the first solvent by a first reaction energy and with the second solvent by a second reaction energy, and the second reaction energy is smaller than the first reaction energy.
Dynamically crosslinked thermoplastic material process
A method for making a thermoplastic material includes: (a) partially crosslinking an elastomer composition at a first crosslinking temperature to form a thermoplastic, partially crosslinked elastomer composition; (b) mixing a thermoplastic polymer composition with the thermoplastic, partially crosslinked elastomer composition and heating the mixture to a second crosslinking temperature higher than the first crosslinking temperature, wherein the thermoplastic polymer composition is liquid at the second crosslinking temperature; and (c) continuously mixing the mixture while further crosslinking the elastomer composition to form a thermoplastic material having a dispersed phase of crosslinked elastomer composition in the thermoplastic polymer composition. The elastomer composition may include an elastomer compounded with a curing agent and optionally additional components. A thermoplastic material resulting from this process may be molded or shaped by any method used for forming thermoplastic materials into articles, such as molding, extrusion, or thermoforming.
THERMOPLASTIC POLYMER MASTERBATCH
A process for increasing the scratch resistance of a composition comprising a thermoplastic organic polymer and a scratch resistant polymer composition per se. The process for increasing the scratch resistance of a composition comprising a thermoplastic organic polymer (P) comprises reactively mixing a thermoplastic organic polymer (A) and an organopolysiloxane (B) in a first step (I) at a temperature at which the thermoplastic organic polymer (A) and the organopolysiloxane (B) are in liquid phases to form a masterbatch. The organopolysiloxane (B) contains at least one functionality capable of reacting with the thermoplastic organic polymer (A) so that a copolymer of components (A) and (B) is formed in the masterbatch during the reactive mixing. The process further comprises a second step (II) of mixing the masterbatch with the composition comprising the thermoplastic organic polymer (P).
POLYSACCHARIDE-POLYAMINE COPOLYMERS FOR REMOVAL OF PHOSPHATE
Covalently cross-linked copolymers are described herein. More specifically, polysaccharide-polyamine copolymeric matrices or structures and cationic copolymeric matrices are described herein. The polysaccharide-polyamine copolymers, when protonated, can form cationic copolymeric matrices having exceptionally high densities of cationic sites. In one form, the covalently cross-linked copolymers provide a three-dimensional structure, especially when hydrated.
CROSSLINKED COPOLYMER, POLYMER MEMBRANE COMPRISING THE SAME, AND ANION EXCHANGE MEMBRANE COMPRISING THE POLYMER MEMBRANE
A novel cross-linked copolymer is disclosed. The novel cross-linked copolymer can be preferably used as an anion exchange membrane (AEM) material for fuel cells because of its excellent mechanical properties, excellent stability against hydroxide ions, and high ion conductivity and hydration.
Pyrolysis of carbon based material
The invention relates to a pyrolysis method and reactor for recovering at least one component from a carbon based material using thermal decomposition. The carbon based material is delivered to a pyrolytic chamber (1), exposed to a controlled atmosphere and heated to a decomposition temperature of the at least one component in the pyrolytic chamber (1) by microwave radiation. A variable power microwave radiation at frequencies between 300 MHz and 2200 MHZ is applied to sequentially increase a temperature in the pyrolytic chamber (1) over a temperature range including the decomposition temperature of the at least one component.
THERMOPLASTIC ELASTOMER COMPOSITES, HYDROGEL COMPOSITES, AND GEL POLYMER ELECTROLYTE COMPOSITES
The present disclosure provides thermoplastic elastomer (TPE) composites, TPE hydrogel composites, TPE gel polymer electrolyte (GPE) composites, methods of preparing the TPE composites, methods of preparing the TPE hydrogel composites, methods of preparing the TPE GPE composites. The thermoplastic elastomer (TPE) composite comprises a first styrenic thermoplastic elastomer and a second styrenic thermoplastic elastomer, wherein the first and second styrenic thermoplastic elastomers each independently comprise at least one non-hydrogenated or hydrogenated styrene block.