نتایج جستجو برای: vinyltrimethoxysilane

تعداد نتایج: 36  

2017
Xiaoyan Xu Mei Wang Qing Wu Zhenlin Xu Xingguo Tian

Ion-imprinted polymers (IIPs) have received much attention in the fields of separation and purification. Nevertheless, selectivity of IIPs for trace target ions in complicated matrix remains a challenge. In this work, a cadmium magnetic ion-imprinted polymer (MIIP) was synthesized via surface imprinting, using methacrylic acid and acrylamide as dual functional monomers, vinyltrimethoxysilane as...

2016
Guangwu Zhang Fuzhong Wang Jing Dai Zhixiong Huang

This study investigated the effect of silane and surfactant treatments of graphene nanoplatelets (GnPs) on the mechanical and thermal properties of silicone rubber (SR) composites. GnPs were modified with aminopropyltriethoxysilane (APTES), vinyltrimethoxysilane (VTMS), and Triton X-100, and then the pristine GnPs and functionalized GnPs were individually incorporated into the SR. Compared with...

Journal: :Journal of the Brazilian Chemical Society 2021

This work deals on the preparation of silicon oxycarbide (SiOC) and boron (SiBOC) ceramics from pyrolysis involving alkoxysilanes with different organic groups. Boron content, substituent annealing time were evaluated crystallization composition resulting ceramics. B-free precursors composed methyltriethoxysilane (MTES), phenyltriethoxysilane (PTES) vinyltrimethoxysilane (VTMS) obtained by sol-...

Journal: :Gels 2023

Silica aerogels are highly porous materials with exceptional thermal insulation performance. They become even more attractive if combined and acoustic is achieved. aerogel composites reinforced fibres an ingenious way to surpass the fragility stemmed from aerogel’s intrinsic porosity, textile good sound absorption materials. Reclaimed a relatively low-cost feedstock were obtained in this work e...

Journal: :Cellulose 2023

Abstract The development of environmentally friendly, multifunctional conductive membranes is an ideal candidate for future new electronic components. Some cellulose-based sensors have been studied, such as pressure sensors, hydrothermal flexible optoelectronic devices, and electrochemical energy storage, etc. However, there are very few studies on materials in Joule heating. In this study, we ...

Journal: :Gels 2023

Reinforcement of silica aerogels, remarkable lightweight mesoporous materials with outstanding insulation performance, is still a challenging research topic. Among the strategies used to overcome their brittleness, one most effective manufacturing aerogel composites embedded fibres. In this work, incorporation nanofibres together microfibres in tetraethoxysilane–vinyltrimethoxysilane matrix inv...

2010
Craig M. Clemons Ronald C. Sabo Kolby C. Hirth

Though silane chemistry has been used to crosslink unfilled polyethylene for many years, such crosslinking has only been recently applied to wood plastic composites to improve properties such as creep resistance. However, the presence of wood significantly changes the silane chemistry and a greater understanding is necessary for optimal processing and performance. We investigated three differen...

2017
Shinsuke Katayama Shogo Fujii Tomoya Saito Shohei Yamazaki Hideo Sawada

Fluoroalkyl end-capped vinyltrimethoxysilane oligomer [RF-(CH2-CHSi(OMe)3)n-RF (RF-(VM)n-RF)] undergoes the sol-gel reaction in the presence of N-(3-triethoxysilylpropyl)gluconamide [Glu-Si(OEt)3] under alkaline conditions to afford the corresponding fluorinated oligomeric silica nanocomposites containing gluconamide units [RF-(VM-SiO3/2)n-RF/Glu-SiO3/2]. These obtained nanocomposites were appl...

Journal: :Journal of Physical Chemistry C 2021

Zinc oxide (ZnO) is a largely investigated semiconducting nanomaterial for photocatalytic applications and an excellent active layer candidate in photovoltaics. Among native defects, having primary role ZnO optoelectronic properties, the influence of nearly ubiquitous planar faults wurtzite sequences ultrasmall (≤5 nm) nanocrystals (NCs) remains poorly understood. Here, we present thorough stud...

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