Hybrid Thermoreversible Gels from Covalent Polymers and Organogels

被引：60

作者：

Dasgupta, D. ^{[1
]}

Srinivasan, S. ^{[2
]}

Rochas, C. ^{[3
]}

Ajayaghosh, A. ^{[2
]}

Guenet, J. M. ^{[1
]}

机构：

[1] CNRS, Inst Charles Sadron, UPR22, 23 Rue Loess,BP 84047, F-67034 Strasbourg 2, France

[2] NIIST, Trivandrum 695019, Kerala, India

[3] CNRS UFJ, Spectrometrie Phys Lab, UMR5588, F-38402 St Martin Dheres, France

来源：

LANGMUIR | 2009年 / 25卷 / 15期

关键词：

ASSEMBLING BICOPPER COMPLEX; SYNDIOTACTIC POLYSTYRENE;

D O I：

10.1021/la804185q

中图分类号：

O6 [化学];

学科分类号：

070301 [无机化学];

摘要：

This paper reports oil experiments intended for investigating the feasibility of preparing hybrid thermo-reversible gels from covalent polymers and noncovalent self-assembling pi-conjugated molecules. The formation and the degree of dispersion of these hybrid gels have been studied with polystyrenes of various tacticities and oligo(p-phenylenevinylene) molecules (OPV) in different nonpolar organic solvents. Detailed investigations of the systems have been carried out by DSC, SAXS, and AFM. It is shown that no liquid-liquid phase separation is involved, indicating that the systems are highly compatible, and that the growth of one type of gel does not interfere with the other. These studies reveal that the resultant hybrid gels are composed of the intermingled fibrillar architectures of both gels.

引用

页码：8593 / 8598

页数：6

共 25 条

[1]

First phenylenevinylene based organogels:: Self-assembled nanostructures via cooperative hydrogen bonding and π-stacking [J].

Ajayaghosh, A ;

George, SJ .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2001, 123 (21) :5148-5149

[2]

Ajayaghosh A., 2003, ANGEW CHEM, V115, P346

[3]

π-organogels of self-assembled p-phenylenevinylenes:: Soft materials with distinct size, shape, and functions [J].

Ajayaghosh, Ayyappanpillai ;

Praveen, Vakayil K. .

ACCOUNTS OF CHEMICAL RESEARCH, 2007, 40 (08) :644-656

[4]

THERMODYNAMIC AND CONFORMATIONAL PROPERTIES OF POLYSTYRENE .I. LIGHT-SCATTERING STUDIES ON DILUTE SOLUTIONS OF LINEAR POLYSTYRENES [J].

BERRY, GC .

JOURNAL OF CHEMICAL PHYSICS, 1966, 44 (12) :4550-&

[5]

STRUCTURAL STUDY ON SYNDIOTACTIC POLYSTYRENE .2. CRYSTAL-STRUCTURE OF MOLECULAR-COMPOUND WITH TOLUENE [J].

CHATANI, Y ;

SHIMANE, Y ;

INAGAKI, T ;

IJITSU, T ;

YUKINARI, T ;

SHIKUMA, H .

POLYMER, 1993, 34 (08) :1620-1624

[6]

RHEOLOGICAL STUDY OF A BICOPPER TETRACARBOXYLATE/DECALIN JELLY [J].

DAMMER, C ;

MALDIVI, P ;

TERECH, P ;

GUENET, JM .

LANGMUIR, 1995, 11 (05) :1500-1506

[7]

Thermoreversible gelation of syndiotactic polystyrene in toluene and chloroform [J].

Daniel, C ;

Menelle, A ;

Brulet, A ;

Guenet, JM .

POLYMER, 1997, 38 (16) :4193-4199

[8]

De Gennes P.-G., 1979, SCALING CONCEPTS POL

[9]

Click chemistry in a supramolecular environment:: Stabilization of organogels by copper(I)-catalyzed azide-alkyne [3+2] cycloaddition [J].

Diaz, David D. ;

Rajagopal, Karthikan ;

Strable, Erica ;

Schneider, Joel ;

Finn, M. G. .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2006, 128 (18) :6056-6057

[10]

Strength Enhancement of Nanostructured Organogels through Inclusion of Phthalocyanine-Containing Complementary Organogelator Structures and In Situ Cross-Linking by Click Chemistry [J].

Diaz Diaz, David ;

Jose Cid, Juan ;

Vazquez, Purificacion ;

Torres, Tomas .

CHEMISTRY-A EUROPEAN JOURNAL, 2008, 14 (30) :9261-9273

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