Use of pristine clay platelets as a suspension stabilizer for the synthesis of poly(methyl methacrylate)/clay nanocomposites

Shyam Khatana; Anup Kumar Dhibar; Suprakas Sinha Ray; Bhanu Bhusan Khatua

doi:10.1002/macp.200900119

Use of pristine clay platelets as a suspension stabilizer for the synthesis of poly(methyl methacrylate)/clay nanocomposites

Shyam Khatana, Anup Kumar Dhibar, Suprakas Sinha Ray, Bhanu Bhusan Khatua

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

17 Citations (Scopus)

Abstract

The role of Na⁺-mmt platelets as a stabilizer during the suspension polymerization of MMA is described. The addition of a small amount of Na⁺-mmt into the system without suspension stabilizer results in the formation of spherical beads of PMMA/Na⁺-mmt nanocomposites with uniform sizes, whereas in the presence of o-mmt, it resulted in the formation of PMMA/o-mmt composite clusters. FT-IR spectroscopy reveals a strong interaction between the PMMA carbonyl groups with the clay surface in the PMMA/Na ⁺-mmt nanocomposite. DSC results indicate a significant increase in the glass transition temperature of PMMA in the PMMA/Na⁺-mmt nanocomposite as compared to that of the PMMA/o-mmt nanocomposite. The thermal stability of PMMA is also increased in the case of the PMMA/Na⁺-mmt nanocomposite.

Original language	English
Pages (from-to)	1104-1113
Number of pages	10
Journal	Macromolecular Chemistry and Physics
Volume	210
Issue number	13-14
DOIs	https://doi.org/10.1002/macp.200900119
Publication status	Published - 21 Jul 2009
Externally published	Yes

ASJC Scopus subject areas

Condensed Matter Physics
Physical and Theoretical Chemistry
Polymers and Plastics
Organic Chemistry
Materials Chemistry

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10.1002/macp.200900119

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title = "Use of pristine clay platelets as a suspension stabilizer for the synthesis of poly(methyl methacrylate)/clay nanocomposites",

abstract = "The role of Na+-mmt platelets as a stabilizer during the suspension polymerization of MMA is described. The addition of a small amount of Na+-mmt into the system without suspension stabilizer results in the formation of spherical beads of PMMA/Na+-mmt nanocomposites with uniform sizes, whereas in the presence of o-mmt, it resulted in the formation of PMMA/o-mmt composite clusters. FT-IR spectroscopy reveals a strong interaction between the PMMA carbonyl groups with the clay surface in the PMMA/Na +-mmt nanocomposite. DSC results indicate a significant increase in the glass transition temperature of PMMA in the PMMA/Na+-mmt nanocomposite as compared to that of the PMMA/o-mmt nanocomposite. The thermal stability of PMMA is also increased in the case of the PMMA/Na+-mmt nanocomposite.",

author = "Shyam Khatana and Dhibar, {Anup Kumar} and {Sinha Ray}, Suprakas and Khatua, {Bhanu Bhusan}",

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AU - Khatana, Shyam

AU - Dhibar, Anup Kumar

AU - Sinha Ray, Suprakas

AU - Khatua, Bhanu Bhusan

PY - 2009/7/21

Y1 - 2009/7/21

N2 - The role of Na+-mmt platelets as a stabilizer during the suspension polymerization of MMA is described. The addition of a small amount of Na+-mmt into the system without suspension stabilizer results in the formation of spherical beads of PMMA/Na+-mmt nanocomposites with uniform sizes, whereas in the presence of o-mmt, it resulted in the formation of PMMA/o-mmt composite clusters. FT-IR spectroscopy reveals a strong interaction between the PMMA carbonyl groups with the clay surface in the PMMA/Na +-mmt nanocomposite. DSC results indicate a significant increase in the glass transition temperature of PMMA in the PMMA/Na+-mmt nanocomposite as compared to that of the PMMA/o-mmt nanocomposite. The thermal stability of PMMA is also increased in the case of the PMMA/Na+-mmt nanocomposite.

AB - The role of Na+-mmt platelets as a stabilizer during the suspension polymerization of MMA is described. The addition of a small amount of Na+-mmt into the system without suspension stabilizer results in the formation of spherical beads of PMMA/Na+-mmt nanocomposites with uniform sizes, whereas in the presence of o-mmt, it resulted in the formation of PMMA/o-mmt composite clusters. FT-IR spectroscopy reveals a strong interaction between the PMMA carbonyl groups with the clay surface in the PMMA/Na +-mmt nanocomposite. DSC results indicate a significant increase in the glass transition temperature of PMMA in the PMMA/Na+-mmt nanocomposite as compared to that of the PMMA/o-mmt nanocomposite. The thermal stability of PMMA is also increased in the case of the PMMA/Na+-mmt nanocomposite.

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Use of pristine clay platelets as a suspension stabilizer for the synthesis of poly(methyl methacrylate)/clay nanocomposites

Abstract

ASJC Scopus subject areas

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