摘要:
A polymer is provided. The polymer includes a polymer chain; and a saccharide bonded with the polymer chain. The polymer does not substantially include an organic solvent and a metal atom, and includes a residual monomer in an amount of not greater than 1,000 ppm, which is relatively small compared to the amount of residual monomer in a polymer prepared by a conventional method. The polymer is preferably used for a clathrate, a sheet, and an aqueous dispersion of the sheet.
摘要:
A method for producing a polymer, including: (i) continuously supplying and bringing at least a first monomer, which is ring-opening polymerizable, and a compressive fluid into contact with each other, to thereby allow the first monomer to carry out ring-opening polymerization to continuously generate an intermediate; and (ii) bringing the intermediate and a second monomer, which is identical to or different from the first monomer in kind, into contact with each other, to thereby allow the intermediate and the second monomer to carry out polymerization.
摘要:
A method for producing core-shell type particles, including: ring-opening polymerizing a ring-opening polymerizable monomer in a first mixture containing the ring-opening polymerizable monomer, porous particles, and a compressive fluid; and injecting a second mixture containing a polymer obtained in the ring-opening polymerizing, the porous particles, and the compressive fluid to thereby granulate into the core-shell type particles.
摘要:
A specified function p is generated to satisfy a first condition that an integral value of an evaluation function over a specified period is minimal. The evaluation function denotes a magnitude of an absolute value of a third order specified function p(3)(t). Moreover, the specified function p is generated to satisfy a second condition that a value of a second order specified function p(2)(t) is limited within a limiter range [p(2)min_c, p(2)max_c].
摘要:
A method for producing particles, including: bringing a compressive fluid into contact with a pressure plastic material, so as to plasticize the pressure plastic material; applying a shear force to the compressive fluid and the plasticized pressure plastic material, between which an interface exists, in the presence of a surfactant to granulate the pressure plastic material in the compressive fluid, so as to produce particles.
摘要:
The present invention provide a hydrophilized cellulose fiber producing method, comprising oxidizing cellulose fibers in a reaction solution containing a N-oxyl compound, an oxidizing agent, and a co-catalyst and oxidizing other cellulose fibers using the reaction solution again.The present invention relate to a hydrophilized cellulose fiber producing method, comprising the steps of: (1a) oxidizing cellulose fibers in a reaction solution containing a N-oxyl compound, an oxidizing agent, and sodium sulfate to provide oxidized cellulose fibers; and (1b) separating the obtained oxidized cellulose fibers from the reaction solution, and then adding other additional cellulose fibers and oxidizing agent to the reaction solution to oxidize the cellulose fibers again to provide oxidized cellulose fibers.
摘要:
To provide a method for producing a polymer, which contains: bringing an intermediate polymer, which has been obtained through ring-opening polymerization of a ring-opening polymerizable monomer, into contact with, and melting the intermediate polymer in a compressive fluid having a density of 230 kg/m3 or greater, at temperature lower than a melting point of the intermediate polymer, at a ratio of 0.05 to 10, to dissolve a low-molecular-weight compound contained in the intermediate polymer in the compressive fluid, to thereby extract the low-molecular-weight compound, wherein the ratio is a ratio of a mass of the intermediate polymer to a mass of the compressive fluid.
摘要翻译:提供一种制备聚合物的方法,其包括:将通过开环聚合单体的开环聚合获得的中间体聚合物与具有密度的压缩流体接触并熔融中间聚合物 在低于中间体聚合物的熔点的温度下,以0.05〜10的比例溶解230kg / m 3以上,以将包含在中间聚合物中的低分子量化合物溶解在压缩流体中,从而提取 低分子量化合物,其中该比例是中间聚合物的质量与压缩流体质量的比率。
摘要:
A method for producing particles, including: bringing a compressive fluid into contact with a pressure plastic material, so as to produce a melt of the pressure plastic material; and discharging the melt of the pressure plastic material by differential pressure to a space, so as to form particles, wherein the discharging includes at least one of (A) discharging the melt of the pressure plastic material while a compressive fluid is supplied to the melt of the pressure plastic material, and (B) discharging the melt of the pressure plastic material through one or more through-holes, to which vibration is applied, so as to change the shape of the melt of the pressure plastic material from a columnar shape, through the columnar shape with constrictions, into a particle shape.
摘要:
A specified function p is generated to satisfy a first condition that an integral value of an evaluation function over a specified period is minimal. The evaluation function denotes a magnitude of an absolute value of a third order specified function p(3)(t). Moreover, the specified function p is generated to satisfy a second condition that a value of a second order specified function p(2)(t) is limited within a limiter range [p(2)min_c, p(2)max_c].
摘要:
A method for producing particles, including: bringing a compressive fluid into contact with a pressure plastic material, so as to produce a melt of the pressure plastic material; and discharging the melt of the pressure plastic material by differential pressure to a space, so as to form particles, wherein the discharging includes at least one of (A) discharging the melt of the pressure plastic material while a compressive fluid is supplied to the melt of the pressure plastic material, and (B) discharging the melt of the pressure plastic material through one or more through-holes, to which vibration is applied, so as to change the shape of the melt of the pressure plastic material from a columnar shape, through the columnar shape with constrictions, into a particle shape.