Novel miscible polymer blend of poly(4-trimethylsilylstyrene) and polyisoprene

Masashi Harada; Takahisa Suzuki; Masayuki Ohya; Daisuke Kawaguchi; Atsushi Takano; Yushu Matsushita

doi:10.1021/ma048527+

Novel miscible polymer blend of poly(4-trimethylsilylstyrene) and polyisoprene

Masashi Harada, Takahisa Suzuki, Masayuki Ohya, Daisuke Kawaguchi, Atsushi Takano, Yushu Matsushita

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

23 Citations (Scopus)

Abstract

The phase behavior of the newly found miscible polymer blends poly(4-trimethylsilylstyrene) and polyisoprene was investigated with optical microscopy (OM) and also with differential scanning calorimetry (DSC), while the degree of polymer-polymer interaction was evaluated with small-angle neutron scattering (SANS). The blends with homogeneous one phase at various compositions turned into two phases by heating, showing a lower critical solution temperature (LCST) type phase diagram with a critical temperature of 172 °C if the degree of polymerization is ca. 370. The blend gave a single glass transition temperature below the LCST, and the interaction parameter χ was represented as a function of temperature T according to the relationship χ = 0.027 - 9.5/T.

Original language	English
Pages (from-to)	1868-1873
Number of pages	6
Journal	Macromolecules
Volume	38
Issue number	5
DOIs	https://doi.org/10.1021/ma048527+
Publication status	Published - Mar 8 2005
Externally published	Yes

All Science Journal Classification (ASJC) codes

Organic Chemistry
Polymers and Plastics
Inorganic Chemistry
Materials Chemistry

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10.1021/ma048527+

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abstract = "The phase behavior of the newly found miscible polymer blends poly(4-trimethylsilylstyrene) and polyisoprene was investigated with optical microscopy (OM) and also with differential scanning calorimetry (DSC), while the degree of polymer-polymer interaction was evaluated with small-angle neutron scattering (SANS). The blends with homogeneous one phase at various compositions turned into two phases by heating, showing a lower critical solution temperature (LCST) type phase diagram with a critical temperature of 172 °C if the degree of polymerization is ca. 370. The blend gave a single glass transition temperature below the LCST, and the interaction parameter χ was represented as a function of temperature T according to the relationship χ = 0.027 - 9.5/T.",

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T1 - Novel miscible polymer blend of poly(4-trimethylsilylstyrene) and polyisoprene

AU - Harada, Masashi

AU - Suzuki, Takahisa

AU - Ohya, Masayuki

AU - Kawaguchi, Daisuke

AU - Takano, Atsushi

AU - Matsushita, Yushu

PY - 2005/3/8

Y1 - 2005/3/8

N2 - The phase behavior of the newly found miscible polymer blends poly(4-trimethylsilylstyrene) and polyisoprene was investigated with optical microscopy (OM) and also with differential scanning calorimetry (DSC), while the degree of polymer-polymer interaction was evaluated with small-angle neutron scattering (SANS). The blends with homogeneous one phase at various compositions turned into two phases by heating, showing a lower critical solution temperature (LCST) type phase diagram with a critical temperature of 172 °C if the degree of polymerization is ca. 370. The blend gave a single glass transition temperature below the LCST, and the interaction parameter χ was represented as a function of temperature T according to the relationship χ = 0.027 - 9.5/T.

AB - The phase behavior of the newly found miscible polymer blends poly(4-trimethylsilylstyrene) and polyisoprene was investigated with optical microscopy (OM) and also with differential scanning calorimetry (DSC), while the degree of polymer-polymer interaction was evaluated with small-angle neutron scattering (SANS). The blends with homogeneous one phase at various compositions turned into two phases by heating, showing a lower critical solution temperature (LCST) type phase diagram with a critical temperature of 172 °C if the degree of polymerization is ca. 370. The blend gave a single glass transition temperature below the LCST, and the interaction parameter χ was represented as a function of temperature T according to the relationship χ = 0.027 - 9.5/T.

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Novel miscible polymer blend of poly(4-trimethylsilylstyrene) and polyisoprene

Abstract

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