CAS OpenIR
Synergetic Enhancement of Mechanical Properties for Silk Fibers by a Green Feeding Approach with Nano-hydroxyapatite/collagen Composite Additive
Guo, Zhenhu1,2,3; Chi, Yongjie4; Xie, Wensheng2,3; Lu, Jingsong2,3; Wang, Dan2,3; Gao, Fei2,3; Zhang, Guifeng5; Feng, Qingling2,3; Wu, Hong1; Zhao, Lingyun2,3
2021-02-08
Source PublicationJOURNAL OF NATURAL FIBERS
ISSN1544-0478
Pages11
AbstractIn the current study, a novel intrinsic functionalization approach based on composite feeding additive for silkworms to produce silk fibers (SFs) with enhanced mechanical properties has been successfully developed. Effect of single feeding additive by either nano hydroxyapatite (Nano-HA) or collagen, and composite feeding by both additives on the silkworm larvae growth and cocooning, crystalline structure, molecular conformationas as well as mechanical properties of SFs have been systematically investigated. Experimental results demonstrated that feeding additive strategy could greatly facilitate the growth and cocooning of the silkworms. Surface and cross-section morphology observation suggested the additive has been absorbed into silkworm body and eventually embedded in SFs. Meanwhile, the basic structure of SFs still kept integrity after feeding additive from X-ray diffraction (XRD) analysis. Furthermore, fourier transform infrared (FTIR) spectrum demonstrated that random coil/alpha-helix and beta-sheet content of SFs by feeding additive presented an increase and decrease change than natural SFs. More importantly, mechanical properties of SFs exhibited an obvious enhancement by composite additive than single additive feeding due to the nanoconfined crystallite toughening and polymer physical blending mechanism. Inspired by this approach, the composite additive feeding may open a novel and green strategy to fabricate SFs with enhanced mechanical properties.
KeywordSilk fibers nano hydroxyapatite collagen green feeding composite additive mechanical properties
DOI10.1080/15440478.2021.1875372
Language英语
Funding ProjectNational Key R&D Program of China[2018YFC1106400] ; National Key R&D Program of China[2018YFA0108200] ; National Natural Science Foundation of China[81671829] ; Technology Program of Guangzhou[201803010086]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Textiles
Funding OrganizationNational Key R&D Program of China ; National Natural Science Foundation of China ; Technology Program of Guangzhou
WOS IDWOS:000616580400001
PublisherTAYLOR & FRANCIS INC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/43371
Collection中国科学院过程工程研究所
Corresponding AuthorWu, Hong; Zhao, Lingyun
Affiliation1.Cent South Univ, Powder Met Res Inst, State Key Lab Powder Met, Changsha, Peoples R China
2.Tsinghua Univ, Sch Mat Sci & Engn, Minist Educ China, Key Lab Adv Mat, Beijing 100084, Peoples R China
3.Tsinghua Univ, Sch Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing, Peoples R China
4.China Univ Geosci Beijing, Sch Earth Sci & Resources, Beijing, Peoples R China
5.Chinese Acad Sci, State Key Lab Biochem Engn, Inst Proc Engn, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Guo, Zhenhu,Chi, Yongjie,Xie, Wensheng,et al. Synergetic Enhancement of Mechanical Properties for Silk Fibers by a Green Feeding Approach with Nano-hydroxyapatite/collagen Composite Additive[J]. JOURNAL OF NATURAL FIBERS,2021:11.
APA Guo, Zhenhu.,Chi, Yongjie.,Xie, Wensheng.,Lu, Jingsong.,Wang, Dan.,...&Zhao, Lingyun.(2021).Synergetic Enhancement of Mechanical Properties for Silk Fibers by a Green Feeding Approach with Nano-hydroxyapatite/collagen Composite Additive.JOURNAL OF NATURAL FIBERS,11.
MLA Guo, Zhenhu,et al."Synergetic Enhancement of Mechanical Properties for Silk Fibers by a Green Feeding Approach with Nano-hydroxyapatite/collagen Composite Additive".JOURNAL OF NATURAL FIBERS (2021):11.
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