CONSTITUTION: This polyparaphenylenebenzobisoxazole fiber having a high elastic modulus is obtained by extruding a spinning dope essentially consisting of polyparaphenylenebenzobisoxazole from a spinneret into a noncoagulative gas, giving a high drawing in a short time, coagulating, washing with water, ...
5.Luminescence and Electrical Properties of Poly-p-phenylenebenzobisoxazole;聚对苯撑苯并双噁唑发光和电学性能研究 6.Synthesis and spectral properties of poly(p phenyleneethynylene);间位苯环阻隔聚对苯撑乙炔的合成及光谱性能 7.Study on Reinforcement of PBO Paper-based Composites聚对苯撑苯并二噁唑纸基复...
Further, a polyparaphenylene-benzobisoxazole in the polybenzoazole is preferable since respective characteristics of a heat resistance or the like are ... H Akito,O Tadashi,M Satoshi 被引量: 0发表: 1999年 Membranes having improved mechanical properties, for use in fuel cells An acid-doped, sin...
The invention discloses a method for preparing a high performance PBO (polyparaphenylene benzobisoxazole) resin, which comprises the following steps: (1) dissolving terephthalic acid in alkaline solution, and dissolving DAR.2HCL with equal molar ratio as terephthalic acid in deionized water; and ...
POLYPARAPHENYLENE BENZOBISOXAZOLE FIBER ENSURING ULTRAVIOLET LIGHT RESISTANCE AND COMPRESSION STRENGTH AND PRODUCTION METHOD THEREOFThe present invention relates to a polyparaphenylene benzobisoxazole fiber ensuring ultraviolet light resistance and compression strength, and to a production method thereof. To this...
To address the structural problems caused by eccentric loads in unreinforced masonry, three different types of masonry were prepared based on clay bricks bonded with a natural hydraulic lime mortar combined with a flax or polyparaphenylene benzobisoxazole (PBO) fabric-reinforced cementitious matrix (...
2) poly(p-phenylene benzobisoxazole)(PBO) 聚对苯撑苯并双 唑(PBO) 3) poly(p-phenylene benzobisoxazole) 聚对苯撑苯并双噁唑 例句>> 4) paraphenylene benzobisoxazole(Poly) 聚对苯撑苯并双恶唑 5) polyparaphenylene benzobismidazole 聚对苯撑苯并双咪唑 ...
Poly (p-phenylene benzobisoxazole) (PBO) is a rigid-rod polymer with phenyl rings and heterocyclic groups in the backbone. 聚对苯撑苯并二噁唑(PBO)是一种由苯环及芳杂环组成的高分子材料,具有非常优异的力学性能,以及极佳的热学和化学稳定性,在尖端科技领域有着广阔的应用前景,因而成为高性能材料领域的...
5) paraphenylene benzobisoxazole(Poly) 聚对苯撑苯并双恶唑 6) polyparaphenylene benzobismidazole 聚对苯撑苯并双咪唑 补充资料:聚对亚苯基苯并双噻唑纤维 分子式:CAS号:性质:属杂环类高强高模纤维。纤度1.7dtex,初纺丝和高模丝密度各为1.54和1.56g/cm3,拉伸强度皆为37cN/dtex,伸长率各为3.5%和2.5%,模量...
Philippe Colomban,Achraf Aidi-Mounsi,Marie-Hélène Limage.Micro-Raman and IR study of the compressive behaviour of poly (paraphenylene benzobisoxazole) (PBO) fibres in a diamond-anvil cell.Journal of Raman Spectroscopy. 2007Colomban P, Aidi-Mounsi A, Limage M-H (2007) J Raman Spectrosc 38...