Morphologies and dynamic mechanical properties of core‐shell emulsifier‐free latexes and their copolymers for P(BA/MMA)/P(MMA/BA) and P(BA/MMA)/PSt systems in the presence of AHPS

Guo, Tianying; Tang, Guang-Liang; Hao, Gang; Song, Moud-Dao; Zhang, Banghua

doi:10.1002/app.11331

Cited by 9 publications

(3 citation statements)

References 29 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The other method involved a series of emulsion polymerization using reactive surfactants (polymeric surfactants) [40,41]. In most cases, the colloidal particles size ranged between several 10 nm and submicron [9].…”

Section: Enlargement Of Particle Sizesmentioning

confidence: 99%

High solid content latex: Preparation methods and application

Deng

Zhou

et al. 2010

Advances in Colloid and Interface Science

View full text Add to dashboard Cite

Section: Enlargement Of Particle Sizesmentioning

confidence: 99%

High solid content latex: Preparation methods and application

Deng

Zhou

et al. 2010

Advances in Colloid and Interface Science

View full text Add to dashboard Cite

“…In recent years, there have been some reports on emulsifier-free core-shell-structured emulsion polymerization. [7][8][9][10] However, these investigations were restricted with anion emulsion. In the present work, we primarily investigated the synthesis of styrene/methylmethacrylate/N,N-dimethyl, N-butyl, N-methacryloloxylethyl ammonium bromide (St/MMA/DBMEA) emulsifier-free cationic copolymer emulsion by the batch method and of MMA-St functional polymer latices with core-shell morphologies by the semicontinuous method, using DBMEA as comonomer.…”

Section: Introductionmentioning

confidence: 98%

Particle morphology and NMR structure of polymethylmethacrylate/polystyrene emulsifier‐free core–shell cationic latices in the presence of DBMEA

Zhang

Chai

et al. 2005

J of Applied Polymer Sci

View full text Add to dashboard Cite

ABSTRACT:In the absence of emulsifier, we prepared stable emulsifier-free polymethylmethacrylate/polystyrene (PMMA/PSt) copolymer latex by batch method with comonomer N, N-dimethyl, N-butyl, N-methacryloloxylethyl ammonium bromide (DBMEA) by using A1BN as initiator. The size distribution of the latex particles was very narrow and the copolymer particles were spherical and very uniform. Under the same recipe and polymerization conditions, PMMA/PSt and PSt/PMMA composite polymer particle latices were prepared by a semicontinuous emulsifier-free seeded emulsion polymerization method. The sizes and size distributions of composite latex particles were determined both by quasi-elastic light scattering and transmission electron microscopy (TEM). The effects of feeding manner and staining agents on the morphologies of the composite particles were studied. The results were as follows: the latex particles were dyed with pH 2.0 phosphotungestic acid solution and with uranyl acetate solution, respectively, revealing that the morphologies of the composite latex particles were obviously core-shell structures. The core-shell polymer structure of PMMA/PSt was also studied by 1 H, 13 C, 2D NMR, and distortionless enhancement by polarization transfer, or DEPT, spectroscopy. Results showed that PMMA/PSt polymers are composed of PSt homopolymer, PMMA homopolymer, and PMMA-g-PSt graft copolymers; results by NMR are consistent with TEM results.

show abstract

“…Over the past decades, core‐shell latexes in size of nanometers have attracted much attention in many applications,1–7 such as film fabrication, drug delivery, paper and textile manufacturing and impact modifiers, by taking advantage of the synergically enhanced properties over their single‐component counterparts when the core and shell polymers are optimally designed.…”

Section: Introductionmentioning

confidence: 99%

Core‐shell latex synthesized by emulsion polymerization using an alkali‐soluble resin as sole surfactant

Wang¹,

Ma²,

Zhu³

et al. 2012

J of Applied Polymer Sci

View full text Add to dashboard Cite

A series of alkali‐soluble resins were prepared from esterification reaction of styrene‐maleic anhydride copolymer (SMA) and four fatty alcohols having different alkyl chains. The critical aggregates concentration of the prepared hemiester was lower than SMA, indicating that modification of SMA resin with long alkyl chains could improve their emulsification efficiency. The detailed experiments of emulsion polymerization of methyl methacrylate and butyl acrylate using these hemiesters as sole surfactants showed that SMA‐C12‐75, SMA‐C14‐70, and SMA‐C16‐65 were good surfactants. In the end, we successfully prepared stable latexes using above three good surfactants with relatively low surfactant concentration and high solid content. Characterization of latexes by Zetasizer and transmission electron microscopy revealed that particles of these latexes have core‐shell nanostructure with average particle size below 60 nm. Compared with SMA, the improvement of emulsification efficiency of its hemiesters may come from the better hydrophilic‐lipophilic balance and steric stabilization after incorporation of long alkyl chain. © 2012 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2013

show abstract

Morphologies and dynamic mechanical properties of core‐shell emulsifier‐free latexes and their copolymers for P(BA/MMA)/P(MMA/BA) and P(BA/MMA)/PSt systems in the presence of AHPS

Cited by 9 publications

References 29 publications

High solid content latex: Preparation methods and application

High solid content latex: Preparation methods and application

Particle morphology and NMR structure of polymethylmethacrylate/polystyrene emulsifier‐free core–shell cationic latices in the presence of DBMEA

Core‐shell latex synthesized by emulsion polymerization using an alkali‐soluble resin as sole surfactant

Contact Info

Product

Resources

About