Fundamental Molecular Design for Precise Control of Thermoresponsiveness of Organic Polymers by Using Ternary Systems

被引：57

作者：

Amemori, Shogo ^{[1
]}

Kokado, Kenta ^{[1
,2
]}

Sada, Kazuki ^{[1
,2
]}

机构：

[1] Hokkaido Univ, Dept Chem Sci & Engn, Grad Sch Chem Sci & Engn, Kita Ku, Sapporo, Hokkaido 0608628, Japan

[2] Hokkaido Univ, Dept Chem, Grad Sch Sci, Kita Ku, Sapporo, Hokkaido 0600810, Japan

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2012年 / 134卷 / 20期

关键词：

CRITICAL-SOLUTION TEMPERATURE; PHASE-SEPARATION BEHAVIOR; AQUEOUS-SOLUTIONS; LCST; POLY(N-ISOPROPYLACRYLAMIDE); CHAIN; CYCLODEXTRIN; SOLUBILITY; COPOLYMERS; SURFACE;

D O I：

10.1021/ja301688u

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The de novo design of thermosensitive polymers in solution has been achieved by using the addition of small organic molecules (or "effectors"). Hydrogen bonding as an attractive polymer-polymer or polymer-effector interaction substantially dominates the responsivity, causing facile switching between LCST-type and UCST-type phase transitions, control of the transition temperature, and further coincidence of the two transitions. Small molecules having a high affinity for the polymer induce UCST-type phase behavior, whereas those having a low affinity for the polymer showed LCST-type phase behavior.

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收藏

页码：8344 / 8347

页数：4

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