Clay platelets encapsulated inside latex particles

D. J. Voorn; W. Min; A. M. Van Herk

doi:10.1021/ma060900l

Clay platelets encapsulated inside latex particles

D. J. Voorn
, W. Min
, A. M. Van Herk

Biochemistry, Chemistry & Physics

Research output: Contribution to journal › Article › peer-review

86 Scopus citations

Abstract

The direct encapsulation of co-valently modified clay platelets by polymers via surfactant-free, starved-feed emulsion polymerization was investigated. It was demonstrated using cryo-transmission electron microscopy (TEM) and scanning electron microscopy (SEM) that small Laponite RD (LRD) platelets were encapsulated inside spherical latex particles, whereas larger montmorillonite (MMT) platelets were encapsulated inside dumbbell-like or snowman-like nonspherical latex particles. The TEM and SEM images show that a considerable amount of spherical particles were present when modified MMT was used for emulsion polymerization. However, It was found using cryogenic TEM (cryo-TEM) analysis that some dumbbell-like or snowman-like particles are free of clay platelets.

Original language	English
Pages (from-to)	4654-4656
Number of pages	3
Journal	Macromolecules
Volume	39
Issue number	14
DOIs	https://doi.org/10.1021/ma060900l
State	Published - Jul 11 2006

Scopus Subject Areas

Organic Chemistry
Polymers and Plastics
Inorganic Chemistry
Materials Chemistry

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10.1021/ma060900l

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title = "Clay platelets encapsulated inside latex particles",

abstract = "The direct encapsulation of co-valently modified clay platelets by polymers via surfactant-free, starved-feed emulsion polymerization was investigated. It was demonstrated using cryo-transmission electron microscopy (TEM) and scanning electron microscopy (SEM) that small Laponite RD (LRD) platelets were encapsulated inside spherical latex particles, whereas larger montmorillonite (MMT) platelets were encapsulated inside dumbbell-like or snowman-like nonspherical latex particles. The TEM and SEM images show that a considerable amount of spherical particles were present when modified MMT was used for emulsion polymerization. However, It was found using cryogenic TEM (cryo-TEM) analysis that some dumbbell-like or snowman-like particles are free of clay platelets.",

author = "Voorn, \{D. J.\} and W. Min and \{Van Herk\}, \{A. M.\}",

year = "2006",

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doi = "10.1021/ma060900l",

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AU - Voorn, D. J.

AU - Min, W.

AU - Van Herk, A. M.

PY - 2006/7/11

Y1 - 2006/7/11

N2 - The direct encapsulation of co-valently modified clay platelets by polymers via surfactant-free, starved-feed emulsion polymerization was investigated. It was demonstrated using cryo-transmission electron microscopy (TEM) and scanning electron microscopy (SEM) that small Laponite RD (LRD) platelets were encapsulated inside spherical latex particles, whereas larger montmorillonite (MMT) platelets were encapsulated inside dumbbell-like or snowman-like nonspherical latex particles. The TEM and SEM images show that a considerable amount of spherical particles were present when modified MMT was used for emulsion polymerization. However, It was found using cryogenic TEM (cryo-TEM) analysis that some dumbbell-like or snowman-like particles are free of clay platelets.

AB - The direct encapsulation of co-valently modified clay platelets by polymers via surfactant-free, starved-feed emulsion polymerization was investigated. It was demonstrated using cryo-transmission electron microscopy (TEM) and scanning electron microscopy (SEM) that small Laponite RD (LRD) platelets were encapsulated inside spherical latex particles, whereas larger montmorillonite (MMT) platelets were encapsulated inside dumbbell-like or snowman-like nonspherical latex particles. The TEM and SEM images show that a considerable amount of spherical particles were present when modified MMT was used for emulsion polymerization. However, It was found using cryogenic TEM (cryo-TEM) analysis that some dumbbell-like or snowman-like particles are free of clay platelets.

UR - https://www.scopus.com/pages/publications/33746316214

U2 - 10.1021/ma060900l

DO - 10.1021/ma060900l

M3 - Article

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SN - 0024-9297

VL - 39

SP - 4654

EP - 4656

JO - Macromolecules

JF - Macromolecules

IS - 14

ER -

Clay platelets encapsulated inside latex particles

Abstract

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