Nitroalcohol Induced Hydrogel Formation in Amine-Functionalized Polymers.
Nitroalcohol Induced Hydrogel Formation in Amine-Functionalized Polymers.
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DOI：
10.1002/app.31944
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发表时间：
2010-07-15
影响因子：
3
通讯作者：
Turro, Nicholas J.
中科院分区：
文献类型：
--
作者：
Solomon, Marissa R.;O'Connor, Naphtali A.;Paik, David C.;Turro, Nicholas J.
Certain β-nitroalcohols degrade under basic conditions or upon heating to form formaldehyde. This reaction provides an elegant approach to generate formaldehyde within a system at a desired time using the stimulus of pH or temperature. Using β-nitroalcohols as a delivery agent for formaldehyde, polymer crosslinking can be induced via stimulus. Such an approach is akin to those used to prepare “self-healing” polymers, which have received much attention recently. Herein, we describe the use of certain β-nitroalcohols as a masked formaldehyde delivery system and demonstrate its use as a crosslinking agent of amine functionalized polymers to form hydrogels. We examine the temperature and pH dependence of 2-nitro-1,3-propanediol and 2-(hydroxymethyl)-2-nitro-1,2-propanediol on the rate and extent of gelation and characterize the resulting gel by swelling and FTIR experiments.
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影响因子：
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通讯作者：
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影响因子：
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