- 作 者: ( "yinghao zhai" OR "ying-hao zhai" )
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Efficient thermo-oxidative reclamation of green tire rubber and silanized-silica/rubber interface characterizationPolymer Degradation and Stability (IF 5.204) Pub Date : 2022-01-10 ,DOI:10.1016/j.polymdegradstab.2022.109827Lan Ma, Yinghao Zhai, Chaoying Wan, Zhen Zhang, Chuanping Zhang, Shifeng WangA stepwise separation of reclaimed silanized silica (r-SS) from waste green tire rubbers was achieved using a thermo-oxidative reclamation process, and the interfacial interaction between silanized silica and rubber was quantified. The exfoliation of the residual and bound rubber from the r-SS surfaces under different temperatures ranging from 150 to 230 ℃ was investigated, with or without the addition ...
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A green approach to preparing hydrophobic, electrically conductive textiles based on waterborne polyurethane for electromagnetic interference shielding with low reflectivityChemical Engineering Journal (IF 16.744) Pub Date : 2020-11-19 ,DOI:10.1016/j.cej.2020.127749Mengwei Dai, Yinghao Zhai, Yong ZhangA green method was employed to fabricate a coated textile with hydrophobic surface that provided electromagnetic interference shielding performance with low reflectivity. First, two-component waterborne polyurethane dispersions modified with hydroxyl-terminated polydimethylsiloxane were synthesized. Multi-walled carbon nanotubes (CNT) and graphene were well dispersed in water via high pressure microfluidizer ...
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Magnetic aligned Fe3O4-reduced graphene oxide/waterborne polyurethane composites with controllable structure for high microwaves absorption capacityCarbon (IF 11.307) Pub Date : 2019-11-01 ,DOI:10.1016/j.carbon.2019.05.067Mengwei Dai, Yinghao Zhai, Lei Wu, Yong ZhangAbstract Fe3O4-reduced graphene oxide (FRGO)/waterborne polyurethane (WPU) composites with controllable structure and high microwave absorption capacity were developed. The aligned structure of FRGO in the FRGO/WPU composites was realized by a magnetic-field-induced method. WPU dispersion with nano-scaled particles could suppress the aggregation of FRGO during the drying process. The FRGO/WPU composites ...
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Green chemical method for the synthesis of chromogenic fiber and its application for the detection and extraction of Hg2+ and Cu2+ in environmental medium.Journal of Hazardous Materials (IF 14.224) Pub Date : 2018-10-21 ,DOI:10.1016/j.jhazmat.2018.10.051Xiaoqing Wang,Yan Lou,Xinyan Ye,Xuedan Chen,Lei Fang,Yinghao Zhai,Yuqiang Zheng,Chunhua XiongTo advocate environment friendly detection idea, we adopted the green chemical method to synthesis the 1-(2 amino ethyl) piperidine functionalized polyacrylonitrile fiber (APF) and the chromogenic fiber 4-(2-pyridylazo) resorcinol (APF-PAR). The APF has high adsorption selectivity of Hg2+ and Cu2+, and the change of structure, surface morphology and thermo-stability before and after adsorption have ...
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Rheological behavior of ethylene–vinyl acetate copolymer and fabrication of micropyramid arrays by roll‐to‐roll hot embossing on its thin filmsJournal of Applied Polymer Science (IF 3.057) Pub Date : 2017-05-07 ,DOI:10.1002/app.45228Wenjun Li, Shiqiang Song, Yinghao Zhai, Yong Zhang, Peiyun Yi, Xinmin LaiFilms of ethylene–vinyl acetate (EVA) copolymer with different vinyl acetate (VA) contents were adopted as flexible substrates for fabrication of micropyramid arrays by roll‐to‐roll (R2R) hot embossing at roller temperatures 40–80 °C. An empirical relationship between rheological behavior of EVA in rubbery state and demolding performance of the films was explored. Dependence of average forming height ...
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Bioinspired Graphene Oxide/Polymer Nanocomposite Paper with High Strength, Toughness, and Dielectric ConstantACS Applied Materials & Interfaces (IF 10.383) Pub Date : 2016-11-04 ,DOI:10.1021/acsami.6b08606Shiqiang Song,Yinghao Zhai,Yong ZhangSchool of Chemistry and Chemical Engineering, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Jiao Tong University, Shanghai 200240, People’s Republic of ChinaGraphene/graphene oxide (GO)-based paper is attracting great interest owing to its multiple functionalities. In this study, we successfully synthesized a triblock copolymer by atom transfer radical polymerization method in terms of molecular design. The copolymer was comprised of polydimethylsiloxane (PDMS) and poly(glycidyl methacrylate) (PGMA) segments. To the copolymer, the PDMS segments provided ...
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Fabrication of micro-pyramid arrays on PETG films by roll-to-roll hot embossingMicroelectronic Engineering (IF 2.662) Pub Date : 2016-10-01 ,DOI:10.1016/j.mee.2016.08.001Wenjun Li, Yinghao Zhai, Peiyun Yi, Yong ZhangRoll-to-roll hot embossing is a promising method for micro-structures fabrication with high throughput. Micro-pyramid arrays with the average height of 65µm and the bottom edge length of 175µm were successfully fabricated on optical transparent poly(ethylene terephthalate-co-1,4-cylclohexylenedimethylene terephthalate) (PETG) films via roll-to-roll hot embossing. No whitening caused by crystallization ...
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Improving the filler dispersion of polychloroprene/carboxylated multi-walled carbon nanotubes composites by non-covalent functionalization of carboxylated ionic liquidComposites Science and Technology (IF 9.879) Pub Date : 2016-02-01 ,DOI:10.1016/j.compscitech.2015.12.017Guiyang Jiang, Shiqiang Song, Yinghao Zhai, Chi Feng, Yong ZhangAbstract The effect of the non-covalent modification of carboxylated multi-walled carbon nanotubes (MWCNT) by a carboxylated ionic liquid (IL), 1-carboxyethyl-3-methylimidazolium bis(trifluoromethyl sulfony)imide (CMI), on the polymer–filler interactions, filler dispersion, thermal stability, mechanical and dielectric properties of polychloroprene (CR)/MWCNT composites were studied. The better dispersion ...
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Graft copolymerization of methyl methacrylate from brominated poly(isobutylene‐co‐isoprene) via atom transfer radical polymerizationJournal of Applied Polymer Science (IF 3.057) Pub Date : 2016-01-27 ,DOI:10.1002/app.43408Jinyuan Wang, Chaoying Wan, Yong Zhang, Yinghao Zhai, Shiqiang Song, Wentan Ren, Zonglin PengCommercial brominated poly(isobutylene‐co‐isoprene) (BIIR) rubber has been directly used for the initiation of atom transfer radical polymerization (ATRP) by utilizing the allylic bromine atoms on the macromolecular chains of BIIR. The graft copolymerization of methyl methacrylate (MMA) from the backbone of BIIR which was used as a macroinitiator was carried out in xylene at 85 °C with CuBr/N,N,N′ ...
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Characterization of polypropylene/hydrogenated styrene-isoprene-styrene block copolymer blends and fabrication of micro-pyramids via micro hot embossing of blend thin-films†RSC Advances (IF 4.036) Pub Date : 2015-10-21 ,DOI:10.1039/c5ra17934cGuiyang Jiang,Chunwei Wang,Zijin Liu,Yinghao Zhai,Yong Zhang,Jie Jiang,Nobuhiro Moriguchi,Jun Zhu,Yoshihiro YamanaPolypropylene (PP)/hydrogenated styrene-isoprene-styrene block copolymer (HYBRAR) blends were proposed as a new material for the fabrication of micro-pyramids via the micro hot embossing of their blend thin-films. As a typical thermoplastic amorphous polymer, HYBRAR could promote the crystallinity and decrease the crystallization temperature of PP. With increasing HYBRAR proportion, mechanical behavior ...
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Biobased Poly(lactide)/ethylene-co-vinyl Acetate Thermoplastic Vulcanizates: Morphology Evolution, Superior Properties, and Partial DegradabilityACS Sustainable Chemistry & Engineering (IF 9.224) Pub Date : 2015-08-24 ,DOI:10.1021/acssuschemeng.5b00462Piming Ma,Pengwu Xu,Yinghao Zhai,Weifu Dong,Yong Zhang,Mingqing ChenPartially biobased thermoplastic vulcanizates (TPV) with novel morphology, superior properties and partial degradability were prepared by dynamic cross-link of saturated poly(lactide) and ethylene-co-vinyl acetate (PLA/EVA) blends using 2,5-dimethyl-2,5-di(tert-butylperoxy)hexane (AD) as a free radical initiator. EVA showed higher reactivity with free radicals in comparison with PLA, leading to much ...
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Bio-based poly(lactide)/ethylene-co-vinyl acetate thermoplastic vulcanizates by dynamic crosslinking: structure vs. propertyRSC Advances (IF 4.036) Pub Date : 2015-01-08 ,DOI:10.1039/c4ra14194fPiming Ma,Pengwu Xu,Wangcheng Liu,Yinghao Zhai,Weifu Dong,Yong Zhang,Mingqing ChenBio-based thermoplastic vulcanizates (TPV) from poly(lactide) (PLA) and ethylene-co-vinyl acetate rubber (EVA) were fabricated using dicumyl peroxide (DCP) as a curing agent; it is the first time that the application of PLA in elastic materials is demonstrated. A two-stage competing reaction mechanism as a function of peroxide content is revealed via gel analysis. The crosslinking of EVA is dominant ...
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Mechanical and microwave absorbing properties of in situ prepared hydrogenated acrylonitrile–butadiene rubber/rare earth acrylate compositesComposites Part B: Engineering (IF 11.322) Pub Date : 2014-01-01 ,DOI:10.1016/j.compositesb.2013.08.074Wenjing Wu,Yinghao Zhai,Yong Zhang,Wentan RenAbstract Lanthanum oxide (La2O3), samarium oxide (Sm2O3) and acrylic acid (AA) were in situ reacted in hydrogenated acrylonitrile–butadiene rubber (HNBR) to obtain HNBR/acrylate and HNBR/acrylate/multi-walled carbon nanotubes (MWNTs) composites. Fourier transform infrared spectrum analysis showed the absorption peaks of carbon–carbon double bonds of the acrylates became weak after curing at elevated ...
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Microwave‐absorbing performance and mechanical properties of poly(vinyl chloride)/acrylonitrile–butadiene rubber thermoplastic elastomers filled with multiwalled carbon nanotubes and silicon carbideJournal of Applied Polymer Science (IF 3.057) Pub Date : 2013-03-16 ,DOI:10.1002/app.39063Shuang Zhang,Yinghao Zhai,Yong ZhangPoly(vinyl chloride) (PVC)/acrylonitrile–butadiene rubber (NBR) were mixed with multiwalled carbon nanotubes (MWCNTs) and silicon carbide (SiC) to prepare microwave‐absorbing composites. The complex permittivity, direct‐current (dc) conductivity, microwave‐absorbing performance, morphology, and mechanical properties of the composites were studied. The real and imaginary parts of the permittivity of ...
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Electromagnetic characteristic and microwave absorbing performance of different carbon-based hydrogenated acrylonitrile–butadiene rubber compositesMaterials Chemistry and Physics (IF 4.778) Pub Date : 2012-03-01 ,DOI:10.1016/j.matchemphys.2012.01.004Yinghao Zhai, Yong Zhang, Wentan RenAbstract Hydrogenated acrylonitrile–butadiene rubber (HNBR) was mixed with carbon fiber (CF), conductive carbon black (CCB) and multi-walled carbon nanotubes (MWCNT) to prepare microwave absorbing composites, their complex permittivity was measured in microwave frequencies (2–18 GHz), and their electromagnetic characteristics and microwave absorbing performance were studied. The real part and imaginary ...
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Enhanced microwave absorbing performance of hydrogenated acrylonitrile–butadiene rubber/multi-walled carbon nanotube composites by in situ prepared rare earth acrylatesComposites Science and Technology (IF 9.879) Pub Date : 2012-03-01 ,DOI:10.1016/j.compscitech.2012.01.018Yinghao Zhai, Wenjing Wu, Yong Zhang, Wentan RenAbstract Rare earth oxides (REO = Gd2O3, Dy2O3, Tm2O3) and acrylic acid (AA) were in situ reacted in hydrogenated acrylonitrile–butadiene rubber (HNBR) to prepare HNBR/multi-walled carbon nanotube (MWCNT)/REO/AA composites. The HNBR/MWCNT/REO/AA composites have higher permittivity and dielectric loss than HNBR/MWCNT composite, leading to significantly enhanced microwave absorbing performance of the ...
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Green Approach To Prepare Graphene-Based Composites with High Microwave Absorption CapacityThe Journal of Physical Chemistry C (IF 4.177) Pub Date : 2011-05-19 ,DOI:10.1021/jp202475mXin Bai,Yinghao Zhai,Yong ZhangState Key Laboratory of Metal Matrix Composites, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 200240 Shanghai, P. R. ChinaChemically reduced graphene (CR-G)/poly(ethylene oxide) (PEO) composites are prepared by a simple aqueous mixing method. Graphite oxide (GO) is prepared by a modified Hummers method and further dispersed in water to form graphene oxide (G-O). The as prepared G-O is mixed with PEO and in situ reduced by l-ascorbic acid. CR-G monolayers are ∼1 nm in thickness and ∼1.5 μm in both length and width as confirmed ...
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Reinforcement of hydrogenated carboxylated nitrile–butadiene rubber with exfoliated graphene oxideCarbon (IF 11.307) Pub Date : 2011-04-01 ,DOI:10.1016/j.carbon.2010.12.043Xin Bai, Chaoying Wan, Yong Zhang, Yinghao ZhaiGraphene oxide (GO)/hydrogenated carboxylated nitrile–butadiene rubber (HXNBR) composites were prepared by a solution-blending method. The GO monolayers with 0.9 nm in thickness, more than 2.5 μm in width and 3 μm in length were exfoliated from natural flake graphite by a modified Hummers method and could be further dispersed homogeneously in HXNBR matrix even for the GO contents up to 1.3 vol.%. The ...
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Reinforcement of hydrogenated carboxylated nitrile–butadiene rubber by multi-walled carbon nanotubesApplied Surface Science (IF 7.392) Pub Date : 2008-12-01 ,DOI:10.1016/j.apsusc.2008.07.052Lan Lu, Yinghao Zhai, Yong Zhang, Christopher Ong, Sharon GuoAbstract Hydrogenated carboxylated acrylonitrile–butadiene rubber (HXNBR) and multi-walled carbon nanotubes (MWCNT) composites were prepared. The dispersion of MWCNT in HXNBR matrix was evaluated by field emission scanning electron microscopy. HXNBR/MWCNT composite had shorter scorch time and optimum curing time compared with that of unfilled HXNBR. The tensile strength and modulus of HXNBR/MWCNT composites ...
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