emulsion polymerization


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emulsion polymerization

[ə′məl·shən pə‚lim·ə·rə′zā·shən]
(organic chemistry)
A polymerization reaction that occurs in one phase of an emulsion.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
LG NBR 2860 is a copolymer of butadiene and acrylonitrile manufactured by advanced cold emulsion polymerization. It is a non-staining, medium Mooney and medium/low acrylonitrile polymer designed to aid in processing operations such as extruding and calendering.
Surfactants are used in emulsion polymerization (EP) formulas at less than two percent of the total mass, but they play an important role in the EP processes.
This was then used to successfully complete a RAFT emulsion polymerization of styrene and acrylonitrile with various monomer compositions and molecular weights [28].
Copolymers were synthesized by emulsion polymerization of vinyl monomers in the presence of PVP, potassium persulfate, or hydrogen peroxide at 60-70[degrees]C and the ratio of monomer: aqueous phase = 1:3.
Chemistry represents a versatile free radical emulsion polymerization process differing end product requirements.
Summary: In this work different compositions of smart poly(N-isopropylacrylamide-vinylacetic acid-acrylamide) poly(NIPAM-VAA-AAm) microgels with different vinyl acetic acid (VAA) contents have been synthesized successfully by conventional free radical emulsion polymerization. Silver metal nanoparticles (NPs) were fabricated inside the microgels network by insitu reduction method using sodium borohydride (NaBH4) as reducing agent.
Polymer emulsion is done by the process of emulsion polymerization in which the emulsification of a monomer is done in the presence of water and a surfactant, especially sodium stearate.
Abstract Styrene-acrylic copolymer latexes were synthesized by emulsion polymerization process using sodium formaldehyde sulphoxylate (SFS) and tertbutyl hydroperoxide (TBHP) as redox initiators.
PhD student Sean George took home both the award for Best PhD Poster Presentation and a People's Choice Award for Most Creative Poster for his work on block copolymers as stabilizers in emulsion polymerization. Poster awards were presented by James McLellan, department head of Queen's Faculty of Applied Science and Chemical Engineering and past president of the CSChE and Amy Reckling, the Chemical Institute of Canada's career development leader.
The nanocomposites were prepared using in situ emulsion polymerization to enhance the dispersion and exfoliation of clay in the polymer matrix.
Historically, emulsion polymerization was widely used in the preparation of polymer materials, especially nanomaterials, but the water resistance and surface smoothness of polymers were influenced inevitably by residual emulsifiers [17, 18].