摘要:
A plasticizing agent and a composition for fabricating a polyacrylonitrile-based fiber precursor and a fabrication method of a polyacrylonitrile-based carbon fiber are provided. The plasticizing agent includes a copolymer represented by formula (I) or a derivative of formula (I): wherein R is methyl or ethyl, z≧0.5 mol %, and y=99.5-85.0 mol %. The plasticizing agent has an intrinsic viscosity of between 0.20-0.40 dL/g. The composition for fabricating the polyacrylonitrile-based fiber precursor includes the plasticizing agent and a polyacrylonitrile-based copolymer having an intrinsic viscosity of between 0.41-0.75 dL/g.
摘要:
In one embodiment of the disclosure, a composite raw material and a method for forming the same are provided. The method includes sulfonating a polycyclic aromatic compound to form a polycyclic aromatic carbon sulfonate (PCAS); and mixing the polycyclic aromatic carbon sulfonate and a polyacrylonitrile (PAN) to form a composite raw material. In another embodiment of the disclosure, a carbon fiber containing the composite raw material described above and a method for forming the same are provided.
摘要:
In one embodiment of the disclosure, a composite raw material and a method for forming the same are provided. The method includes sulfonating a polycyclic aromatic compound to form a polycyclic aromatic carbon sulfonate (PCAS); and mixing the polycyclic aromatic carbon sulfonate and a polyacrylonitrile (PAN) to form a composite raw material. In another embodiment of the disclosure, a carbon fiber containing the composite raw material described above and a method for forming the same are provided.
摘要:
A precursor raw material for the PAN-based carbon fibers represented by Formula (I) is provided. In Formula (I), R is methyl, ethyl or propyl, x+z=0.5-20.0 mol %, z≧0.5 mol %, y=99.5-80.0 mol % and x+y+z=100 mol %. The invention also provides a PAN-based oxidized fiber and a PAN-based carbon fiber prepared by the precursor raw material for the PAN-based carbon fibers.
摘要翻译:提供了由式(I)表示的PAN类碳纤维的前体原料。 在式(I)中,R是甲基,乙基或丙基,x + z = 0.5-20.0摩尔%,z≥0.5摩尔%,y = 99.5-80.0摩尔%,x + y + z = 100摩尔%。 本发明还提供了由PAN类碳纤维的前体原料制备的PAN类氧化纤维和PAN类碳纤维。
摘要:
In one embodiment of the disclosure, a copolymer and method for manufacturing the same are provided. The copolymer is copolymerized from a composition including: (a) a first hydrophilic monomer, including itaconamic acid, itaconamic salt, or combinations thereof; and (b) a second hydrophilic monomer, including acrylic acid, acrylic salt, acrylamide, or combinations thereof.
摘要:
A precursor raw material for the PAN-based carbon fibers represented by Formula (I) is provided. In Formula (I), R is methyl, ethyl or propyl, x+z=0.5-20.0 mol %, z≧0.5 mol %, y=99.5-80.0 mol % and x+y+z=100 mol %. The invention also provides a PAN-based oxidized fiber and a PAN-based carbon fiber prepared by the precursor raw material for the PAN-based carbon fibers.
摘要翻译:提供了由式(I)表示的PAN类碳纤维的前体原料。 在式(I)中,R是甲基,乙基或丙基,x + z = 0.5-20.0摩尔%,z≥0.5摩尔%,y = 99.5-80.0摩尔%,x + y + z = 100摩尔%。 本发明还提供了由PAN类碳纤维的前体原料制备的PAN类氧化纤维和PAN类碳纤维。
摘要:
An aliphatic copolyester is provided. The aliphatic copolyester is prepared by polymerization of a first compound having formula I, a second compound having formula II, and a lactide, wherein a is 10-230, b, d and e have a ratio of 10-35:10-35:80-30, c is 1-4, and f is 1-10. The invention also provides a method of preparing the aliphatic copolyester.
摘要:
A method of preparing an aliphatic copolyester by mixing a first compound defined by the equation: and a catalyst, and adding a second compound defined by and a lactide, wherein the second compound and the lactide have a total weight less than the first compound, wherein a is 10-230, b, d and e have a ratio of 10-35:10-35:80-30, c is 1-4, and f is 1-10. The method further adds the second compound and the lactide, wherein the second compound and the lactide have a total weight less than the first compound, the second compound and the lactide in the prior mixing step. The method further adds the second compound and the lactide, wherein the second compound and the lactide have a total weight less than the first compound, the second compound and the lactide in of the prior mixing steps.
摘要:
A phosphine-based polymer having Formula (I) is provided. The invention also provides a poly(lactic acid) material including poly(lactic acid) and the disclosed phosphine-based polymer, wherein the phosphine-based polymer has a weight ratio of 0.05-10 parts by weight, based on 100 parts by weight of the poly(lactic acid).