Preparation of silica nanoparticles using silicon tetrachloride for reinforcement of PU - Details

author：

Luo, Z. (Luo, Z..) ^[1] | Cai, X. (Cai, X..) ^[2] | Hong, R.Y. (Hong, R.Y..) ^[3] | Wang, L.S. (Wang, L.S..) ^[4] | Feng, W.G. (Feng, W.G..) ^[5]

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Abstract：

A　facile　and　economic　method　was　proposed　for　the　preparation　of　silica　nanoparticles　by　the　hydrolysis　of　silicon　tetrachloride　in　alkaline　solution.　The　starting　material　silicon　tetrachloride　was　inexpensive　and　obtained　from　the　by-product　of　polysilicon　industry.　The　effects　of　the　type　of　alkaline,　alkaline　concentration,　reaction　time,　surfactant　and　post　processing　on　the　properties　of　silica　nanoparticles　were　investigated.　The　morphology　and　size　of　silica　nanoparticles　were　characterized　by　transmission　electron　microscopy　and　scanning　electron　microscopy.　Spherical　silica　nanoparticles　with　narrow　size　distribution,　high　specific　surface　area,　high　dibutyl　phthalate　(DBP)-absorption　and　low　density　were　obtained　at　the　optimal　conditions.　Afterwards,　silica　nanoparticles　were　dispersed　in　polyurethane　(PU)　coatings　via　solution　blending　to　reinforce　PU.　The　mechanical　properties　of　PU　films　were　measured　using　universal　testing　machine　and　sclerometer.　The　results　showed　that　the　mechanical　properties　of　PU　films　were　obviously　improved　with　the　addition　of　the　silica　nanoparticles.　©　2012　Elsevier　B.V.

Keyword：

Blending Film preparation High resolution transmission electron microscopy Mechanical properties Morphology Nanoparticles Polypropylenes Reinforcement Scanning electron microscopy Silica Silica nanoparticles

Community：

[ 1 ] [Luo, Z.]College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Organic Synthesis of Jiangsu Province, Soochow University, SIP, Suzhou 215123, China
[ 2 ] [Cai, X.]College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Organic Synthesis of Jiangsu Province, Soochow University, SIP, Suzhou 215123, China
[ 3 ] [Hong, R.Y.]College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Organic Synthesis of Jiangsu Province, Soochow University, SIP, Suzhou 215123, China
[ 4 ] [Hong, R.Y.]College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350002, China
[ 5 ] [Hong, R.Y.]Suzhou Nanocomp Inc., Suzhou New District, Suzhou 215011, China
[ 6 ] [Wang, L.S.]College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Organic Synthesis of Jiangsu Province, Soochow University, SIP, Suzhou 215123, China
[ 7 ] [Feng, W.G.]Suzhou Nanocomp Inc., Suzhou New District, Suzhou 215011, China

Reprint 's Address：

[hong, r.y.]college of chemistry and chemical engineering, fuzhou university, fuzhou 350002, china;;[hong, r.y.]college of chemistry, chemical engineering and materials science, key laboratory of organic synthesis of jiangsu province, soochow university, sip, suzhou 215123, china;;[hong, r.y.]suzhou nanocomp inc., suzhou new district, suzhou 215011, china

Email：

rhong@suda.edu.cn

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Source ：

Chemical Engineering Journal

ISSN： 1385-8947

Year： 2012

Volume： 187

Page： 357-366

3 . 4 7 3

JCR@2012

1 3 . 4 0 0

JCR@2023

JCR Journal Grade：1

CAS Journal Grade：2

Cited Count：

WoS CC Cited Count：

SCOPUS Cited Count：

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 2

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