The invention discloses a PBO (poly(p-phenylene-2,6-benzobisoxazole)) copolycondensation modification method. The method can be used for modification to prepare a PBO copolymer and prepare polymers with higher heat stability. The method comprises the following steps: (1) titrating a NaOH solution...
The thermal conductivities of compression molded thin films of poly-p-phenylene-2,6-benzobisoxazole (PBO) were measured in directions along an in-plane axis in the 10-300 K temperature range by a steady-state heat flow method, with interest in the use of the material for superconductivity ...
2) paraphenylene benzobisoxazole(Poly) 聚对苯撑苯并双恶唑3) poly(p-phenylene benzobisoxazole)(PBO) 聚对苯撑苯并双 唑(PBO)4) poly(p-phenylene benzobisoxazole) 聚对苯撑苯并双噁唑 例句>> 5) polyparaphenylene benzobismidazole 聚对苯撑苯并双咪唑...
1) poly(p-phenylenebenzobisoxazole) 聚亚苯基苯并二噁唑1. In addition,poly(p-phenylenebenzobisoxazole)(PBO) with high molecular weight was prepared from 4,6-diaminoresorcinol salts and terephthalic acid in polyphosphoric acid by solution polycondensation. 运用三氯苯法制备了4,6-二氨基间苯二酚(DAR),...
In addition,poly(p-phenylenebenzobisoxazole)(PBO) with high molecular weight was prepared from 4,6-diaminoresorcinol salts and terephthalic acid in polyphosphoric acid by solution polycondensation. 运用三氯苯法制备了4,6-二氨基间苯二酚(DAR),并分别采用盐酸和磷酸对其进行酸稳定化处理,用红外光谱(FTIR)...
hanical performance Poly(p-phenylenebenzobisoxazole) nanofiber layered composite films with high thermomechanical performancePoly(p-phenylenebenzobisoxazole) nanofiber layered composite films with high thermomechanical performancePoly(p-phenylenebenzobisoxazole...
Poly(p-phenylenebenzobisoxazole) (PPBO) is a polymer having the most excellent thermal properties among the organic polymers reported to date, and the design and the preparation of PPBO with the desired shape and form are expected to provide novel PPBO-based devices and materials in the fiel...
Poly(p-phenylene benzobisoxazole)(PBO) is a candidate of high performance materials for many applications. PBO materials' properties are considered to be closely related to their fabrication process, especially coagulation. In this paper, the coagulation effect on the chemical and microstructure of PBO...
6) poly(p-phenylene benzobisoxazole) fiber 聚对苯撑苯并双噁唑纤维 补充资料:聚苯并双三唑菲略啉 分子式: CAS号: 性质: 一种含三唑环的稠杂环梯形聚合物。可由1,4,5,8-萘四甲酸(或二酐)与双对脒腙在多聚磷酸中缩聚而成。红黑色粉状物,溶于强酸,可浇铸薄膜。热氧稳定性优良,空气中510℃失重10%。
1) polyparaphenylene benzobismidazole 聚对苯撑苯并双咪唑 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 ...