Preparation and characterization of N-methylpolyborosilazane as a precursor of SiBN ceramic fibers，ICAFPM 2011先进纤维与聚合物材料国际学术会议（2011.8.15~17，上海）-中国聚合物网,论文下载

Preparation and characterization of N-methylpolyborosilazane as a precursor of SiBN ceramic fibers

资料类型：

PDF文件

关键词：

SiBN ceramic fiber polymer precursor polymerization

资料大小：

3101K

所属学科：

分子表征

来源：

ICAFPM 2011先进纤维与聚合物材料国际学术会议（2011.8.15~17，上海）

简介：

SiBNceramicfiberswithexcellentmechanicalandthermalstabilitycanbeobtainedbyN-methylpolyborosilazaneasthepolymerprecursor.Inthispaper,N-methylpolyborosilazanewaspreparedat150℃underdifferenttimeconditionsandexaminedthemeltspinnabilitybyahanddrawingmethod.Theas-obtainedpolymerprecursorswerecharacterizedbyFTIR,NMR,intrinsicviscosityandTGA,andthemorphologyoffiberwasobservedbySEM.Theresultsshowedthatthepolymerprecursorsobtainedatdifferenttimehadnearlythesamestructure,whichwasalargenetworkstructureconsistedofflexiblelinearstructureresponsibleforthegoodmeltspinnabilityandrigidring,andtheirintrinsicviscosityincreasedwiththeincreaseofthemolecularweightexceptingthepresenceofalargedegreeofcrosslinkinginthepolymer.Thepolymerprecursorobtainedat60hdisplayedagoodmeltspinnabilityandrevealedaceramicyieldof60%upto900℃innitrogenatmosphere.

作者：

DENG Zhihua, HAN Keqing, ZHANG Jing, PENG Yuqing, WANG Zhenghui, YU Muhuo

上传时间：

2011-10-11 13:19:42

下载次数：

消耗积分：

立即下载：

好

1人

中

1人

差

1人

友情提示：下载后对该资源进行评论，即可奖励2分。

报告错误：

1.下载无效　 2. 资料明显无价值　 3. 资料重复存在

相关评论 共有0人发表评论

更多评论

你还没有登录，无法发表评论，请首先

免责声明：本站部分资源由网友推荐，来自互联网，版权属于原版权人，如果不慎侵犯到您的权利，敬请告知，我们会在第一时间撤除。本站中各网友的评论只代表其个人观点，不代表本站同意其观点。

最新上传资料
·	聚癸二酸木糖醇酯弹性体的合成与...
·	Isolation of cellulose with e...
·	Hydrogen bonding of helical v...
·	The influence of chain extend...
·	Preparation and characterizat...
·	Synthesis and properties of c...
·	Numerical modeling and experi...
·	Hydrothermal processing of hy...
·	Flame retardation of PVA films
·	Hydrogen-bonded PVPON/PAA fi...
·	Study on the etherification d...
·	Fabrication and morphology co...
·	Regenerated-cellulose/Fe3O4 c...
更多>>

热点资料
·	Preparation of ITO/MWCNTs co...
·	Bacterial cellulose/SiO2 comp...
·	Study on properties of the CN...
·	Preparation of zirconium bori...
·	Study on die-swell of BTDA-T...
·	Synthesis and characterisatio...
·	Processing and properties of ...
·	Surface modification of PBO f...
·	Synthesis and properties of p...
·	Comparison of building up bio...
·	Investigation on ionic polyme...
·	Preparation and characterizat...
·	SiW11Ni/polyaniline nanocompo...
更多>>

相关资料
·	A Polyaniline/Mn02/Graphite f...
·	Preparation and Representatio...
·	Reseaches on Pivotal Technolo...
·	Novel Thermal Polymerization ...
·	On the elasticity of polymer ...
·	Thermo-Responsive Brush Copol...
·	Progress on High Performance ...
更多>>