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Enteric elastomers
专利权人:
Tokitae LLC;The Brigham and Women's Hospital, Inc.;Massachusetts Institute of Technology
发明人:
Zhang, Shiyi,Bellinger, Andrew,Traverso, Carlo Giovanni,Langer, Robert S.,Glettig, Dean Liang,Wood Jr., Lowell L.,Eckhoff, Philip A.
申请号:
AU2015274453
公开号:
AU2015274453A2
申请日:
2015.06.11
申请国别(地区):
AU
年份:
2017
代理人:
摘要:
Enteric elastomers and related methods are generally provided. In some embodiments, the enteric elastomer is a polymer composite. Certain embodiments comprise a polymer composite in which hydrogen bonds within two carboxyl group-containing polymers cross-link the polymer networks into an elastic and pH-responsive polymer composite. Advantageously, this polymer composite has the capacity of being stable and elastic in an acidic environment such as that of the stomach but can be dissolved in a neutral pH environment such as that of the small and large intestines. In some embodiments, the polymer composites described herein comprise a mixture of two or more polymers with carboxyl functionality such that the two or more polymers form hydrogen bonds. In certain embodiments, the polymer composite has both enteric and elastic properties.
来源网站:
中国工程科技知识中心
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