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Article: Investigation of Voids in Polyacrylonitrile Fibers by USAXS and SAXS

TitleInvestigation of Voids in Polyacrylonitrile Fibers by USAXS and SAXS
Authors
KeywordsMechanical performance
Polyacrylonitrile(PAN) fiber
Small angle X-ray scattering
Ultra-small angle X-ray scattering
Void structure
Issue Date2019
Citation
Chemical Research in Chinese Universities, 2019, v. 35, n. 6, p. 1070-1075 How to Cite?
AbstractThe void structure of polyacrylonitrile(PAN) fibers was investigated using ultra-small angle X-ray scat-tering(USAXS) and small angle X-ray scattering(SAXS). A quantitative method was developed to analyze connected USAXS/SAXS data and thus determine the void parameters of PAN fibers. The results showed that voids affected the mechanical performance of PAN fibers and were present throughout the entire wet-spinning process. When the abso-lute quantity and size of voids decreased, the tensile strength and modulus of PAN fibers increased. The void para-meters were optimized by controlling the production process, and thus the tensile strength and modulus of PAN fibers were increased. The method for analyzing the void structure developed in this study is useful for analyzing voids over with larger size range, as well as the effect of the void structure on the mechanical performance of fibers.
Persistent Identifierhttp://hdl.handle.net/10722/335844
ISSN
2023 Impact Factor: 3.1
2023 SCImago Journal Rankings: 0.620
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorTang, Haitong-
dc.contributor.authorMeng, Fanling-
dc.contributor.authorLiu, Yan-
dc.contributor.authorJin, Shi-
dc.contributor.authorWang, Xiaodong-
dc.contributor.authorGao, Zhongmin-
dc.contributor.authorChe, Xiaolei-
dc.date.accessioned2023-12-28T08:49:10Z-
dc.date.available2023-12-28T08:49:10Z-
dc.date.issued2019-
dc.identifier.citationChemical Research in Chinese Universities, 2019, v. 35, n. 6, p. 1070-1075-
dc.identifier.issn1005-9040-
dc.identifier.urihttp://hdl.handle.net/10722/335844-
dc.description.abstractThe void structure of polyacrylonitrile(PAN) fibers was investigated using ultra-small angle X-ray scat-tering(USAXS) and small angle X-ray scattering(SAXS). A quantitative method was developed to analyze connected USAXS/SAXS data and thus determine the void parameters of PAN fibers. The results showed that voids affected the mechanical performance of PAN fibers and were present throughout the entire wet-spinning process. When the abso-lute quantity and size of voids decreased, the tensile strength and modulus of PAN fibers increased. The void para-meters were optimized by controlling the production process, and thus the tensile strength and modulus of PAN fibers were increased. The method for analyzing the void structure developed in this study is useful for analyzing voids over with larger size range, as well as the effect of the void structure on the mechanical performance of fibers.-
dc.languageeng-
dc.relation.ispartofChemical Research in Chinese Universities-
dc.subjectMechanical performance-
dc.subjectPolyacrylonitrile(PAN) fiber-
dc.subjectSmall angle X-ray scattering-
dc.subjectUltra-small angle X-ray scattering-
dc.subjectVoid structure-
dc.titleInvestigation of Voids in Polyacrylonitrile Fibers by USAXS and SAXS-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1007/s40242-019-9202-6-
dc.identifier.scopuseid_2-s2.0-85074000182-
dc.identifier.volume35-
dc.identifier.issue6-
dc.identifier.spage1070-
dc.identifier.epage1075-
dc.identifier.eissn2210-3171-
dc.identifier.isiWOS:000507481200023-

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