CN Patent

CN106046376B — 含叔丁基b′b2型三胺单体和其超支化聚酰亚胺及制备方法

Assigned to Shanghai Mat Macromolecule Material Co ltd · Expires 2019-02-22 · 7y expired

What this patent protects

本发明公开了一种具有不等活性官能团的含叔丁基B'B 2 型三胺单体和其超支化聚酰亚胺及制备方法，所述三胺单体由对叔丁基苯胺出发，经硝化、取代、还原三步反应制备得到。基于该单体三个氨基活性的差异，其可与各种商品化二酐单体通过“两步法”制备得到超支化聚酰亚胺，而避免凝胶的发生。所制得的超支化聚酰亚胺具有良好的热稳定性和溶解性，在气体膜分离、耐高温聚合物加工等领域具有广泛的应用前景。

USPTO Abstract

本发明公开了一种具有不等活性官能团的含叔丁基B'B 2 型三胺单体和其超支化聚酰亚胺及制备方法，所述三胺单体由对叔丁基苯胺出发，经硝化、取代、还原三步反应制备得到。基于该单体三个氨基活性的差异，其可与各种商品化二酐单体通过“两步法”制备得到超支化聚酰亚胺，而避免凝胶的发生。所制得的超支化聚酰亚胺具有良好的热稳定性和溶解性，在气体膜分离、耐高温聚合物加工等领域具有广泛的应用前景。

Drugs covered by this patent

Patent Metadata

Patent number
CN106046376B
Jurisdiction
CN
Classification
—
Expires
2019-02-22
Drug substance claim
No
Drug product claim
No
Assignee
Shanghai Mat Macromolecule Material Co ltd
Source
FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

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