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    • 6. 发明授权
    • Preparation of hydrophobic organic aeorgels
    • 疏水性有机物的制备
    • US07291653B2
    • 2007-11-06
    • US10927679
    • 2004-08-26
    • Theodore F. BaumannJoe H. Satcher, Jr.Alexander E. Gash
    • Theodore F. BaumannJoe H. Satcher, Jr.Alexander E. Gash
    • C08J9/28
    • C08J9/28C08J2201/05C08J2203/08C08J2361/02Y02P20/544
    • Synthetic methods for the preparation of hydrophobic organics aerogels. One method involves the sol-gel polymerization of 1,3-dimethoxybenzene or 1,3,5-trimethoxybenzene with formaldehyde in non-aqueous solvents. Using a procedure analogous to the preparation of resorcinol-formaldehyde (RF) aerogels, this approach generates wet gels that can be dried using either supercritical solvent extraction to generate the new organic aerogels or air dried to produce an xerogel. Other methods involve the sol-gel polymerization of 1,3,5 trihydroxy benzene (phloroglucinol) or 1,3 dihydroxy benzene (resorcinol) and various aldehydes in non-aqueous solvents. These methods use a procedure analogous to the one-step base and two-step base/acid catalyzed polycondensation of phloroglucinol and formaldehyde, but the base catalyst used is triethylamine. These methods can be applied to a variety of other sol-gel precursors and solvent systems. These hydrophobic organics aerogels have numerous application potentials in the field of material absorbers and water-proof insulation.
    • 制备疏水性有机物气凝胶的合成方法。 一种方法涉及1,3-二甲氧基苯或1,3,5-三甲氧基苯与甲醛在非水溶剂中的溶胶 - 凝胶聚合。 使用类似于间苯二酚 - 甲醛(RF)气凝胶的制备方法,该方法产生湿凝胶,其可以使用超临界溶剂萃取干燥以产生新的有机气凝胶或空气干燥以产生干凝胶。 其他方法涉及在非水溶剂中1,3,5-三羟基苯(间苯三酚)或1,3-二羟基苯(间苯二酚)和各种醛的溶胶 - 凝胶聚合。 这些方法使用类似于间苯三酚和甲醛的一步碱和两步碱/酸催化缩聚的方法,但所用的碱催化剂是三乙胺。 这些方法可以应用于各种其他溶胶 - 凝胶前体和溶剂体系。 这些疏水性有机气凝胶在材料吸收体和防水绝缘领域具有许多应用潜力。
    • 7. 发明授权
    • Preparation of hydrophobic organic aeorgels
    • 疏水性有机物的制备
    • US06806299B2
    • 2004-10-19
    • US10132893
    • 2002-04-24
    • Theodore F. BaumannJoe H. Satcher, Jr.Alexander E. Gash
    • Theodore F. BaumannJoe H. Satcher, Jr.Alexander E. Gash
    • C08J928
    • C08J9/28C08J2201/05C08J2203/08C08J2361/02Y02P20/544
    • Synthetic methods for the preparation of hydrophobic organics aerogels. One method involves the sol-gel polymerization of 1,3-dimethoxybenzene or 1,3,5-trimethoxybenzene with formaldehyde in non-aqueous solvents. Using a procedure analogous to the preparation of resorcinol-formaldehyde (RF) aerogels, this approach generates wet gels that can be dried using either supercritical solvent extraction to generate the new organic aerogels or air dried to produce an xerogel. Other methods involve the sol-gel polymerization of 1,3,5 trihydroxy benzene (phloroglucinol) or 1,3 dihydroxy benzene (resorcinol) and various aldehydes in non-aqueous solvents. These methods use a procedure analogous to the one-step base and two-step base/acid catalyzed polycondensation of phloroglucinol and formaldehyde, but the base catalyst used is triethylamine. These methods can be applied to a variety of other sol-gel precursors and solvent systems. These hydrophobic organics aerogels have numerous application potentials in the field of material absorbers and water-proof insulation.
    • 制备疏水性有机物气凝胶的合成方法。 一种方法涉及1,3-二甲氧基苯或1,3,5-三甲氧基苯与甲醛在非水溶剂中的溶胶 - 凝胶聚合。 使用类似于间苯二酚 - 甲醛(RF)气凝胶的制备方法,该方法产生湿凝胶,其可以使用超临界溶剂萃取干燥以产生新的有机气凝胶或空气干燥以产生干凝胶。 其他方法涉及在非水溶剂中1,3,5-三羟基苯(间苯三酚)或1,3-二羟基苯(间苯二酚)和各种醛的溶胶 - 凝胶聚合。 这些方法使用类似于间苯三酚和甲醛的一步碱和两步碱/酸催化缩聚的方法,但所用的碱催化剂是三乙胺。 这些方法可以应用于各种其他溶胶 - 凝胶前体和溶剂体系。 这些疏水性有机气凝胶在材料吸收体和防水绝缘领域具有许多应用潜力。