The gelation of CO2:: A sustainable route to the creation of microcellular materials

被引:198
作者
Shi, C
Huang, Z
Kilic, S
Xu, J
Enick, RM
Beckman, EJ
Carr, AJ
Melendez, RE
Hamilton, AD
机构
[1] Yale Univ, Dept Chem, New Haven, CT 06520 USA
[2] Univ Pittsburgh, Dept Chem & Petr Engn, Pittsburgh, PA 15261 USA
关键词
D O I
10.1126/science.286.5444.1540
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Compounds with strong thermodynamic affinity for carbon dioxide (CO2) have been designed and synthesized that dissolve in CO2, then associate to form gels. Upon removal of the CO2, these gels produced free-standing foams with cells with an average diameter smaller than 1 micrometer and a bulk density reduction of 97 percent relative to the parent material.
引用
收藏
页码:1540 / 1543
页数:4
相关论文
共 23 条
[1]  
[Anonymous], 1991, POLYM FOAMS
[2]  
BECKMAN EJ, 1999, ENG FDN C SUP FLUIDS
[3]   Catalysts for the reactions of epoxides and carbon dioxide [J].
Darensbourg, DJ ;
Holtcamp, MW .
COORDINATION CHEMISTRY REVIEWS, 1996, 153 :155-174
[4]   SYNTHESIS OF FLUOROPOLYMERS IN SUPERCRITICAL CARBON-DIOXIDE [J].
DESIMONE, JM ;
GUAN, Z ;
ELSBERND, CS .
SCIENCE, 1992, 257 (5072) :945-947
[5]   GUEST-BINDING PROPERTIES OF ORGANIC-CRYSTALS HAVING AN EXTENSIVE HYDROGEN-BONDED NETWORK - AN ORTHOGONAL ANTHRACENE-BIS(RESORCINOL) DERIVATIVE AS A FUNCTIONAL ORGANIC ANALOG OF ZEOLITES [J].
ENDO, K ;
SAWAKI, T ;
KOYANAGI, M ;
KOBAYASHI, K ;
MASUDA, H ;
AOYAMA, Y .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1995, 117 (32) :8341-8352
[6]  
FREDERICKS JR, 1996, COMPREHENSIVE SUPRAM, V9, P565
[7]   AGGREGATION OF AMPHIPHILIC MOLECULES IN SUPERCRITICAL CARBON-DIOXIDE - A SMALL-ANGLE X-RAY-SCATTERING STUDY [J].
FULTON, JL ;
PFUND, DM ;
MCCLAIN, JB ;
ROMACK, TJ ;
MAURY, EE ;
COMBES, JR ;
SAMULSKI, ET ;
DESIMONE, JM ;
CAPEL, M .
LANGMUIR, 1995, 11 (11) :4241-4249
[8]   GENERATION OF MICROCELLULAR POLYMERIC FOAMS USING SUPERCRITICAL CARBON-DIOXIDE .1. EFFECT OF PRESSURE AND TEMPERATURE ON NUCLEATION [J].
GOEL, SK ;
BECKMAN, EJ .
POLYMER ENGINEERING AND SCIENCE, 1994, 34 (14) :1137-1147
[9]   GENERATION OF MICROCELLULAR POLYMERIC FOAMS USING SUPERCRITICAL CARBON-DIOXIDE .2. CELL-GROWTH AND SKIN FORMATION [J].
GOEL, SK ;
BECKMAN, EJ .
POLYMER ENGINEERING AND SCIENCE, 1994, 34 (14) :1148-1156
[10]   ELECTRON-MICROSCOPIC STUDY OF SUPRAMOLECULAR LIQUID-CRYSTALLINE POLYMERS FORMED BY MOLECULAR-RECOGNITION-DIRECTED SELF-ASSEMBLY FROM COMPLEMENTARY CHIRAL COMPONENTS [J].
GULIKKRZYWICKI, T ;
FOUQUEY, C ;
LEHN, JM .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1993, 90 (01) :163-167