Monodisperse copolymer nanosphere assembly by miniemulsion polymerization

被引：8

作者：

Baruah, Urmilla ^{[1
,2
]}

Gautam, Arvind ^{[1
,2
]}

Saikia, Maitrayee ^{[1
,2
]}

Borphukan, Somip ^{[2
]}

Saikia, Prakash J. ^{[1
,2
]}

Baruah, Shashi D. ^{[1
,2
]}

机构：

[1] CSIR North East Inst Sci & Technol, Acad Sci & Innovat Res AcSIR, Jorhat 785006, Assam, India

[2] CSIR North East Inst Sci & Technol, Jorhat 785006, Assam, India

来源：

EUROPEAN POLYMER JOURNAL | 2017年 / 96卷

关键词：

Miniemulsion; Copolymers; Nanospheres; Olefin; Polydispersity; FRAGMENTATION CHAIN TRANSFER; ONE-STEP SYNTHESIS; RADICAL POLYMERIZATION; CATALYTIC COPOLYMERIZATION; EMULSION POLYMERIZATION; METHYL-METHACRYLATE; ALPHA-OLEFINS; ETHYLENE; WATER;

D O I：

10.1016/j.eurpolymj.2017.09.006

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Hydrophobic monomer 1-octene/ethylene with less hydrophobic monomer methyl methacrylate is used to produce copolymer of high molecular weights nanoparticles with narrow molecular weight distribution by mini emulsion polymerization. Concomitant results from dynamic light scattering (DLS) analysis and scanning electron microscope (SEM) analysis divulges the development of nano-scaled polymeric spheres with nearly uniform particle size distribution. Spectroscopy techniques (FT-IR and H-1 NMR) confirms the presence of ester functional group as well as methylene group in the copolymer. With increase in olefinic concentration in the monomer feed increases its specific signals for only methylene proton in the copolymer. Thermal properties of the copolymers established by thermogravimetric analysis (TG) methods exhibits good thermal stability up to a temperature of 400 degrees C.

引用

页码：111 / 118

页数：8

共 32 条

[1]

Baruah U., 2016, POLYM B, V74, P1

[2] Catalytic polymerization of ethylene in aqueous emulsion with a simple in situ catalyst [J].