ADVANCED SOFTMATERIALS INC. Patent applications |
Patent application number | Title | Published |
20160122605 | CROSSLINKING COMPOSITION HAVING A POLYROTAXANE AND A COMPOUND HAVING TWO OR MORE OXIRANE GROUPS AND/OR OXETANE GROUPS - The present invention provides a material of high toughness that could not have been provided by an epoxy resin alone. The present invention provides a crosslinking composition having (A) one or more polyrotaxanes in which end-capping groups which prevent dissociation of the linear group are situated at both ends of a pseudo-polyrotaxane formed by inclusion of a linear molecule in the opening of a cyclic molecule by being threaded therethrough, the polyrotaxane having on the cyclic molecule a functional group that is capable of reacting with the oxirane group and/or the oxetane group, the functional group being one or more selected from the group consisting of carboxylic acid groups, carboxylate groups, primary amine groups, secondary amino groups, tertiary amino groups, phenol groups, the oxirane group, and the oxetane group, and (B) a compound having two or more oxirane groups and/or oxetane groups; and a crosslinked product employing the composition. | 05-05-2016 |
20150094463 | HYDROXYALKYLATED POLYROTAXANE PRODUCTION METHOD - The invention provides an industrially advantageous method for the production of hydroxyalkylated polyrotaxanes. The method of producing hydroxyalkylated polyrotaxane includes reacting a polyrotaxane with a cyclic ether represented by Formula (1) in the presence of water and an organic base, wherein the polyrotaxane includes hydroxyl group-containing cyclic molecules, a linear molecule threaded through the cyclic molecules to form a clathrate, and blocking groups at both ends of the linear molecule to prevent the separation of the cyclic molecules from the linear molecule. | 04-02-2015 |
20150051390 | BLOCKED POLYROTAXANE PRODUCTION METHOD - The invention provides a method of producing a polyrotaxane having cyclic molecules, a linear molecule threaded through the cyclic molecules to form a clathrate, and blocking groups at both ends of the linear molecule to prevent the separation of the cyclic molecules from the linear molecule, the method including forming the blocking groups by reacting the linear molecule piercing the cyclic molecules, the linear molecule having carboxyl groups at both ends thereof, with a blocking agent having an amino group in the absence of a solvent or in at least one organic solvent selected from the group consisting of aprotic amide solvents and aromatic hydrocarbons, and further in the presence of 2.0 mol to 100 mol of a triazine-based amidating agent per 1 mol of the carboxyl groups in the linear molecule. | 02-19-2015 |
20140296450 | SOLVENT-FREE CROSSLINKED POLYROTAXANE MATERIAL AND PROCESS FOR PRODUCTION OF SAME - A material comprising crosslinked polyrotaxanes which exhibits desired viscoelasticity, particularly stress-strain characteristics with a wide low-stress region, in spite of being free from solvent; and a process for production of the same. The material comprises a first polyrotaxane bearing first cyclic molecules and a second polyrotaxane bearing second cyclic molecules, and the first and second polyrotaxanes are crosslinked via the first and second cyclic molecules. The material is free from solvent and exhibits a stress of 2.0 MPa or below at 50% strain. | 10-02-2014 |
20140066616 | PRODUCTION METHOD FOR HYDROPHILIC MODIFIED POLYROTAXANE - The present invention aims to provide a method of producing a hydrophilic modified polyrotaxane, which enables production of a hydrophilic modified polyrotaxane excellent in storage stability in an industrially advantageous way. The present invention provides a method of producing a hydrophilic modified polyrotaxane, comprising: a hydrophilic modification step of preparing a solution of a hydrophilic modified polyrotaxane by modifying all or part of hydroxy groups on a cyclodextrin of a polyrotaxane with hydrophilic modifying groups, the polyrotaxane containing the cyclodextrin, a polyethylene glycol included in the cavities of the cyclodextrin molecules in a skewered manner, and a capping group that is placed at each end of the polyethylene glycol and prevents dissociation of the cyclodextrin molecules from the polyethylene glycol; and a drying step in which the prepared solution of the hydrophilic modified polyrotaxane is formed into a thin film state and dried. | 03-06-2014 |
20140066615 | PRODUCTION METHOD FOR POWDERED HYDROPHILIC MODIFIED POLYROTAXANE - The present invention aims to provide a method of producing a powdered hydrophilic modified polyrotaxane, which enables production of a powdered hydrophilic modified polyrotaxane excellent in storage stability in an industrially advantageous way. The present invention provides a method of producing a powdered hydrophilic modified polyrotaxane, comprising: a hydrophilic modification step of preparing a solution of a hydrophilic modified polyrotaxane by modifying all or part of hydroxy groups on a cyclodextrin of a polyrotaxane with hydrophilic modifying groups, the polyrotaxane containing the cyclodextrin, a polyethylene glycol included in the cavities of the cyclodextrin molecules in a skewered manner, and a capping group that is placed at each end of the polyethylene glycol and prevents dissociation of the cyclodextrin molecules from the polyethylene glycol; and a drying step of spraying the prepared solution of the hydrophilic modified polyrotaxane and drying the solution of the hydrophilic modified polyrotaxane in a heated gas stream. | 03-06-2014 |
20140066403 | HYDROPHILIC MODIFIED POLYROTAXANE COMPOSITION - The present invention aims to provide a hydrophilic modified polyrotaxane composition having excellent storage stability. The present invention relates to a hydrophilic modified polyrotaxane composition comprising: a hydrophilic modified polyrotaxane produced by modifying, with hydrophilic modifying groups, all or part of hydroxy groups on a cyclodextrin of a polyrotaxane containing the cyclodextrin, a polyethylene glycol which is included in the cavities of the cyclodextrin molecules in a skewered manner, and a capping group that is placed at each end of the polyethylene glycol and prevents dissociation of the cyclodextrin molecules from the polyethylene glycol; and a polyphenol antioxidant. | 03-06-2014 |
20140058078 | POLYROTAXANE COMPOSITION - The present invention aims to provide a polyrotaxane composition having excellent storage stability. The present invention relates to a polyrotaxane composition comprising: a polyrotaxane containing a cyclodextrin, a polyethylene glycol which is included in the cavities of the cyclodextrin molecules in a skewered manner, and a capping group that is placed at each end of the polyethylene glycol and prevents dissociation of the cyclodextrin molecules from the polyethylene glycol; and a polyphenol antioxidant. | 02-27-2014 |
20130331562 | METHOD FOR PRODUCING REFINED POLYROTAXANE - The present invention aims to provide a method for producing a refined polyrotaxane which includes an industrially advantageous method of producing a polyrotaxane that has excellent storage stability. The method for producing a refined polyrotaxane includes the step of heat-cleaning a polyrotaxane with a cleaning medium, the polyrotaxane containing cyclodextrin molecules, a polyethylene glycol which is included in the cavities of the cyclodextrin molecules in a skewered manner, and a capping group that is placed at each end of the polyethylene glycol and prevents dissociation of the cyclodextrin molecules from the polyethylene glycol. | 12-12-2013 |
20130317209 | METHOD FOR PRODUCING PSEUDOPOLYROTAXANE - The present invention aims to provide an industrially advantageous method of producing a pseudopolyrotaxane with a high inclusion ratio. The present invention relates to a method for producing a pseudopolyrotaxane, including: an inclusion step of mixing a polyethylene glycol and a cyclodextrin in an aqueous medium to form an aqueous dispersion of pseudopolyrotaxane that contains pseudopolyrotaxane particles in which the polyethylene glycol is included in the cavities of the cyclodextrin molecules in a skewered manner; and a drying step of drying the aqueous dispersion of pseudopolyrotaxane produced in the inclusion step to obtain the pseudopolyrotaxane. In the drying step, the aqueous dispersion of pseudopolyrotaxane is dried in a thin film state. | 11-28-2013 |
20130296547 | METHOD FOR PRODUCING PSEUDOPOLYROTAXANE AQUEOUS DISPERSION - The present invention aims to provide an industrially advantageous method for producing an aqueous dispersion of pseudopolyrotaxane enabling to produce an aqueous dispersion of pseudopolyrotaxane having good fluidity and excellent dispersion stability of the pseudopolyrotaxane particles therein. The present invention relates to a method for producing an aqueous dispersion of pseudopolyrotaxane. The method includes: a mixing step of a dissolving polyethylene glycol and a cyclodextrin in an aqueous medium to prepare a mixed solution; and a cooling step of continuously or intermittently cooling the mixed solution in a state of flux to precipitate pseudopolyrotaxane particles. The pseudopolyrotaxane particles contain the polyethylene glycol which is included in the cavities of the cyclodextrin molecules in a skewered manner. | 11-07-2013 |
20130296546 | METHOD FOR PRODUCING PSEUDOPOLYROTAXANE - The present invention aims to provide an industrially advantageous method of producing a powdery pseudopolyrotaxane with a high inclusion ratio. The present invention relates to a method for producing a pseudopolyrotaxane, including: an inclusion step of mixing a polyethylene glycol and a cyclodextrin in an aqueous medium to form an aqueous dispersion of pseudopolyrotaxane that contains pseudopolyrotaxane particles in which the polyethylene glycol is included in the cavities of the cyclodextrin molecules in a skewered manner; and a drying step of drying the aqueous dispersion of pseudopolyrotaxane produced in the inclusion step to obtain the pseudopolyrotaxane. In the drying step, the aqueous dispersion of pseudopolyrotaxane is sprayed and dried in a heated gas-stream. | 11-07-2013 |
20120316278 | MATERIAL HAVING CROSS-LINKED POLYROTAXANE, AND METHOD FOR PRODUCING SAME - Disclosed are a material having high flexibility and a high dielectric constant, and a method for producing same: a material having a first polyrotaxane and a second polyrotaxane, wherein the first polyrotaxane comprises first blocking groups being disposed at both ends of a first pseudo-polyrotaxane—formed from the opening of a first circular molecule being enclathrated by being skewered by a first linear chain molecule—in a manner so that the first circular molecule does not detach; the second polyrotaxane comprises second blocking groups being disposed at both ends of a second pseudo-polyrotaxane—formed from the opening of a second circular molecule being enclathrated by being skewered by a second linear chain molecule—in a manner so that the second circular molecule does not detach; said first and second polyrotaxane are formed from crosslinking with the first and second circular molecules therebetween; said material is solvent free; and the material has a dielectric constant at 1 kHz of at least 6.0. | 12-13-2012 |
20110124823 | SOLVENT-FREE CROSSLINKED POLYROTAXANE MATERIAL AND PROCESS FOR PRODUCTION OF SAME - A material comprising crosslinked polyrotaxanes which exhibits desired viscoelasticity, particularly stress-strain characteristics with a wide low-stress region, in spite of being free from solvent; and a process for production of the same. The material comprises a first polyrotaxane bearing first cyclic molecules and a second polyrotaxane bearing second cyclic molecules, and the first and second polyrotaxanes are crosslinked via the first and second cyclic molecules. The material is free from solvent and exhibits a stress of 2.0 MPa or below at 50% strain. | 05-26-2011 |
20110118376 | POLYROTAXANE, AQUEOUS POLYROTAXANE DISPERSION COMPOSITION, CROSSLINKED BODY OF POLYROTAXANE AND POLYMER AND METHOD FOR PRODUCING THE SAME - Provided are a polyrotaxane capable of using an aqueous solvent in a fabricating process although it has hydrophobicity, an aqueous composition having the polyrotaxane, a crosslinked body comprising the polyrotaxane, etc. The polyrotaxane comprises blocking groups located at both ends of a pseudo-polyrotaxane having cyclic molecules and a linear molecule which pierces the cavities of the cyclic molecules in a skewered manner to form a clathrate therewith so as not to detach the cyclic molecules, wherein the cyclic molecules have a group represented by Formula I, a group represented by Formula II and a group represented by Formula III. Incidentally, M represents, for example, a group derived from ring-opening polymerization of ε-caprolactone or the like, A represents a hydroxy group or the like, B represents a —COOH group or the like, and C represents A and/or B: | 05-19-2011 |
20110105688 | POLYROTAXANE, CROSSLINKED STRUCTURE COMPRISING POLYROTAXANE AND POLYMER, AND PROCESSES FOR PRODUCING THESE - A process is provided by which a polyrotaxane including cyclic molecules having a relatively long graft chain is easily obtained. Also provided is a polyrotaxane which includes cyclic molecules having a radical polymerization initiation site and is for use as a raw material in the process. The polyrotaxane comprises: a pseudo-polyrotaxane comprising cyclic molecules clathrated with a linear molecule, the cavities of the cyclic molecules having been pierced by the linear molecule; and blocking groups disposed respectively at both ends of the pseudo-polyrotaxane so as not to release the cyclic molecules. The cyclic molecules in the polyrotaxane have a radical polymerization initiation site. | 05-05-2011 |
20090312492 | POLYROTAXANES AND MATERIAL HAVING POLYROTAXANE, CROSSLINKED POLYROTAXANES AND MATERIAL HAVING THE CROSSLINKED POLYROTAXANE, AND PROCESSES FOR PRODUCING THESE - A polyrotaxane which has enhanced solubility and is soluble in various solvents, 2) a polyrotaxane which is reversibly responsive to an external stimulus, 3) a chemically crosslinked polyrotaxane which has a high Young's modulus and a high elongation and has a high transmittance, and/or 4) a chemically crosslinked polyrotaxane which is reversibly responsive to an external stimulus; and/or a material containing any of these; and/or processes for producing these. The polyrotaxanes each comprises: a pseudo-polyrotaxane having a structure constituted of cyclic molecules and a linear molecule with which the holes of the cyclic molecules are pierced to form a clathrate; and a blocking group disposed at each end of the pseudo-polyrotaxane so as to prevent the cyclic molecules from leaving. The cyclic molecules have a functional group represented by the following formula (I) and at least one functional group selected among functional groups represented by the following formulae (II-1) to (II-6). | 12-17-2009 |
20090127979 | Actuator - An actuator includes a spirally rolled cylindrical sheet body. The sheet body is formed by attaching an electrode on each side of a dielectric elastomer layer. When a voltage is applied to the electrodes, the sheet body is contracted along the direction of its thickness, and expanded in directions perpendicular to its thickness. The actuator is actuated by applying a voltage to the electrodes and stopping the voltage application, so that the cylindrical sheet body is extended and contracted along the direction of the axis. The material forming the dielectric elastomer layer has a low strain region, where the value of a strain based on a stress acting on the dielectric elastomer layer varies from zero to a value that is greater than and close to zero, and a high strain region, where the value of the strain is greater than that in the low strain region. The Young's modulus in the low strain region is less than the Young's modulus in the high strain region. | 05-21-2009 |