公开(公告)号：US20130338247A1

公开(公告)日：2013-12-19

申请号：US13909574

申请日：2013-06-04

Applicant: The Curators of the University of Missouri

Inventor： Nicholas Leventis ,  Chariklia Sotiriou-Leventis ,  Chakkaravarthy Chidambareswarapattar

IPC: E04B1/88

CPC classification number: E04B1/88 ,  B01J13/0091

Abstract: The present disclosure provides a series of new and improved porous polyamide aerogels derived from multifunctional aromatics that combine the high mechanical strength of aramids with the pore structure of aerogels. The polyamide aerogels have a hyperbranched structure, relatively low density, high porosity and are derived from functionalized monomers having more aromatic groups than functional groups. The present disclosure also provides a new method for producing the porous polyamide aerogels by polymerizing an aromatic multifunctional carboxylic acid with an isocyanate at moderate reaction condition followed by drying with liquid CO2.

Abstract translation: 本公开提供了一系列新的和改进的多功能芳烃衍生的多孔聚酰胺气凝胶，其将芳族聚酰胺的高机械强度与气凝胶的孔结构相结合。 聚酰胺气凝胶具有超支化结构，相对低密度，高孔隙率，并且衍生自具有比官能团更多的芳族基团的官能化单体。 本公开还提供了一种通过在中等反应条件下使芳族多官能羧酸与异氰酸酯聚合并随后用液体CO 2干燥来生产多孔聚酰胺气凝胶的新方法。

公开(公告)号：US08877824B2

公开(公告)日：2014-11-04

申请号：US13909574

申请日：2013-06-04

Applicant: The Curators of the University of Missouri

Inventor： Nicholas Leventis ,  Chariklia Sotiriou-Leventis ,  Chakkaravarthy Chidambareswarapattar

IPC: E04B1/88

CPC classification number: E04B1/88 ,  B01J13/0091

Abstract: The present disclosure provides a series of new and improved porous polyamide aerogels derived from multifunctional aromatics that combine the high mechanical strength of aramids with the pore structure of aerogels. The polyamide aerogels have a hyperbranched structure, relatively low density, high porosity and are derived from functionalized monomers having more aromatic groups than functional groups. The present disclosure also provides a new method for producing the porous polyamide aerogels by polymerizing an aromatic multifunctional carboxylic acid with an isocyanate at moderate reaction condition followed by drying with liquid CO2.

Abstract translation: 本公开提供了一系列新的和改进的多功能芳烃衍生的多孔聚酰胺气凝胶，其将芳族聚酰胺的高机械强度与气凝胶的孔结构相结合。 聚酰胺气凝胶具有超支化结构，相对低密度，高孔隙率，并且衍生自具有比官能团更多的芳族基团的官能化单体。 本公开还提供了一种通过在中等反应条件下使芳族多官能羧酸与异氰酸酯聚合并随后用液体CO 2干燥来生产多孔聚酰胺气凝胶的新方法。