南方科技大学知识苑(SUSTech KC): Correlations Between Precursor Molecular Weight and Dynamic Mechanical Properties of Polyborosiloxane (PBS)

题名	Correlations Between Precursor Molecular Weight and Dynamic Mechanical Properties of Polyborosiloxane (PBS)
作者	Kurkin, Anatoli 1; Lipik, Vitali 1; Tan, Kevin Bo Lin 1; Seah, Geok Leng 1; Zhang, Xin2 ; Tok, Alfred Iing Yoong 1
通讯作者	Zhang, Xin; Tok, Alfred Iing Yoong
发表日期	2021-08-01
DOI	10.1002/mame.202100360
发表期刊	MACROMOLECULAR MATERIALS AND ENGINEERING 影响因子和分区
ISSN	1438-7492
EISSN	1439-2054
卷号	306
摘要	It is possible to tailor the dynamic response of polyborosiloxanes (PBS) based on picking the right molecular weight of a precursor. The molecular weight of hydroxy-terminated polydimethylsiloxane (PDMS) defines the shear-stiffening performance of PBS due to straightforward condensation reaction between hydroxy end groups of PDMS and boric acid. Introduced borono groups behave as stickers, hence, are prone to supramolecular interactions. New correlations are discovered for five PBS synthesized from hydroxy-terminated PDMS with different molecular weights. SiOB infrared band intensities for all PBS follow the same trend with molecular weight as the number of PDMS hydroxy groups which confirms the full completion of the reaction. After synthesis, the molecular weight of PBSs remained almost the same, which indicates the absence of significant chain scissoring, polymerization, or crosslinking. During the rheological analysis, it is found that crossover point modulus follows the same trend as the number of PDMS hydroxy groups and SiOB band intensities. PBS demonstrates a linear increase in peak forces with molecular weight during the drop weight impact test. The low molecular weight of a precursor, hence, a high number of stickers is a primary requirement for effective protection against low-velocity impact.
关键词	impact protection polyborosiloxane rheology shear-stiffening gels supramolecular polymers
相关链接	[来源记录]
收录类别	SCI ; EI
语种	英语
学校署名	通讯
WOS研究方向	Materials Science ; Polymer Science
WOS类目	Materials Science, Multidisciplinary ; Polymer Science
WOS记录号	WOS:000682463000001
出版者	WILEY-V C H VERLAG GMBH
EI入藏号	20213210744257
EI主题词	Boric acid ; Condensation reactions ; Mechanical properties ; Microchannels ; Polydimethylsiloxane ; Polymerization ; Silicon ; Silicones ; Supramolecular chemistry
EI分类号	Nonferrous Metals and Alloys excluding Alkali and Alkaline Earth Metals:549.3 ; Physical Chemistry:801.4 ; Chemical Reactions:802.2 ; Inorganic Compounds:804.2 ; Organic Polymers:815.1.1 ; Polymerization:815.2 ; Atomic and Molecular Physics:931.3 ; Materials Science:951
ESI学科分类	MATERIALS SCIENCE
来源库	Web of Science
引用统计	被引频次[WOS]：14
成果类型	期刊论文
条目标识符	http://sustech.caswiz.com/handle/2SGJ60CL/242671
专题	工学院_力学与航空航天工程系
作者单位	1.Nanyang Technol Univ, Sch Mat Sci & Engn, Singapore 639798, Singapore 2.Southern Univ Sci & Technol, Dept Mech & Aerosp Engn, Shenzhen 518055, Guangdong, Peoples R China
通讯作者单位	力学与航空航天工程系
推荐引用方式 GB/T 7714	Kurkin, Anatoli,Lipik, Vitali,Tan, Kevin Bo Lin,et al. Correlations Between Precursor Molecular Weight and Dynamic Mechanical Properties of Polyborosiloxane (PBS)[J]. MACROMOLECULAR MATERIALS AND ENGINEERING,2021,306.
APA	Kurkin, Anatoli,Lipik, Vitali,Tan, Kevin Bo Lin,Seah, Geok Leng,Zhang, Xin,&Tok, Alfred Iing Yoong.(2021).Correlations Between Precursor Molecular Weight and Dynamic Mechanical Properties of Polyborosiloxane (PBS).MACROMOLECULAR MATERIALS AND ENGINEERING,306.
MLA	Kurkin, Anatoli,et al."Correlations Between Precursor Molecular Weight and Dynamic Mechanical Properties of Polyborosiloxane (PBS)".MACROMOLECULAR MATERIALS AND ENGINEERING 306(2021).