Improved space survivability of polyhedral oligomeric silsesquioxane (POSS) polyimides fabricated via novel POSS-diamine

Xing Feng Lei; Ming Tao Qiao; Li Dong Tian; Pan Yao; Yong Ma; He Peng Zhang; Qiu Yu Zhang

doi:10.1016/j.corsci.2014.10.013

Improved space survivability of polyhedral oligomeric silsesquioxane (POSS) polyimides fabricated via novel POSS-diamine

Xing Feng Lei, Ming Tao Qiao, Li Dong Tian, Pan Yao, Yong Ma, He Peng Zhang, Qiu Yu Zhang

化学与化工学院

Northwestern Polytechnical University Xian

科研成果: 期刊稿件 › 文章 › 同行评审

103 引用（Scopus）

摘要

Polyhedral oligomeric silsesquioxane (POSS) surrounded by two amine groups, namely POSS-diamine, was prepared via hydrolytic co-condensation. POSS polyimide hybrid membranes were subsequently fabricated by co-polymerizing POSS-diamine with imide monomers. Hybrid membranes exhibit significantly improved space survivability. A hybrid membrane with 29.7wt% POSS loading shows the best atomic oxygen (AO) resistance with the lowest erosion yield of 0.9×10^-25cm³·atom^-1. The enhancement in AO resistance is attributed to the formation of a SiO₂ passivating layer on the membrane surface upon AO exposure. POSS polyimides with desirable AO survivability may find wide usage in aerospace.

源语言	英语
页（从-至）	223-238
页数	16
期刊	Corrosion Science
卷	90
DOI	https://doi.org/10.1016/j.corsci.2014.10.013
出版状态	已出版 - 1 1月 2015

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10.1016/j.corsci.2014.10.013

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title = "Improved space survivability of polyhedral oligomeric silsesquioxane (POSS) polyimides fabricated via novel POSS-diamine",

abstract = "Polyhedral oligomeric silsesquioxane (POSS) surrounded by two amine groups, namely POSS-diamine, was prepared via hydrolytic co-condensation. POSS polyimide hybrid membranes were subsequently fabricated by co-polymerizing POSS-diamine with imide monomers. Hybrid membranes exhibit significantly improved space survivability. A hybrid membrane with 29.7wt% POSS loading shows the best atomic oxygen (AO) resistance with the lowest erosion yield of 0.9×10-25cm3·atom-1. The enhancement in AO resistance is attributed to the formation of a SiO2 passivating layer on the membrane surface upon AO exposure. POSS polyimides with desirable AO survivability may find wide usage in aerospace.",

keywords = "A. Polymer, B. Weight loss, B. XPS, C. Interfaces, C. Oxidation",

author = "Lei, {Xing Feng} and Qiao, {Ming Tao} and Tian, {Li Dong} and Pan Yao and Yong Ma and Zhang, {He Peng} and Zhang, {Qiu Yu}",

note = "Publisher Copyright: {\textcopyright} 2014 Elsevier Ltd.",

year = "2015",

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doi = "10.1016/j.corsci.2014.10.013",

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T1 - Improved space survivability of polyhedral oligomeric silsesquioxane (POSS) polyimides fabricated via novel POSS-diamine

AU - Lei, Xing Feng

AU - Qiao, Ming Tao

AU - Tian, Li Dong

AU - Yao, Pan

AU - Ma, Yong

AU - Zhang, He Peng

AU - Zhang, Qiu Yu

PY - 2015/1/1

Y1 - 2015/1/1

N2 - Polyhedral oligomeric silsesquioxane (POSS) surrounded by two amine groups, namely POSS-diamine, was prepared via hydrolytic co-condensation. POSS polyimide hybrid membranes were subsequently fabricated by co-polymerizing POSS-diamine with imide monomers. Hybrid membranes exhibit significantly improved space survivability. A hybrid membrane with 29.7wt% POSS loading shows the best atomic oxygen (AO) resistance with the lowest erosion yield of 0.9×10-25cm3·atom-1. The enhancement in AO resistance is attributed to the formation of a SiO2 passivating layer on the membrane surface upon AO exposure. POSS polyimides with desirable AO survivability may find wide usage in aerospace.

AB - Polyhedral oligomeric silsesquioxane (POSS) surrounded by two amine groups, namely POSS-diamine, was prepared via hydrolytic co-condensation. POSS polyimide hybrid membranes were subsequently fabricated by co-polymerizing POSS-diamine with imide monomers. Hybrid membranes exhibit significantly improved space survivability. A hybrid membrane with 29.7wt% POSS loading shows the best atomic oxygen (AO) resistance with the lowest erosion yield of 0.9×10-25cm3·atom-1. The enhancement in AO resistance is attributed to the formation of a SiO2 passivating layer on the membrane surface upon AO exposure. POSS polyimides with desirable AO survivability may find wide usage in aerospace.

KW - A. Polymer

KW - B. Weight loss

KW - B. XPS

KW - C. Interfaces

KW - C. Oxidation

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DO - 10.1016/j.corsci.2014.10.013

M3 - 文章

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SN - 0010-938X

VL - 90

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EP - 238

JO - Corrosion Science

JF - Corrosion Science

ER -

Improved space survivability of polyhedral oligomeric silsesquioxane (POSS) polyimides fabricated via novel POSS-diamine

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