(54)发明名称衍生自6FDA-DAM型均聚聚酰亚胺的芳族共聚聚酰亚胺气体分离膜(57)摘要用于分离含硫天然气的组分的共聚聚酰亚胺膜包含至少三种聚合在一起的不同部分,这些部分包括基于2,2'‑双(3,4‑二羧基苯基)六氟丙烷二酐(6FDA)的部分;基于2,4,6‑三甲基‑间苯二胺(DAM)的部分;和选自由以下部分组成的组...
dam/6fpda(毫摩尔dam:毫摩尔6fpda为1:3)的co2/ch4和h2s/ch4理想选择性分别为29和19;同时co2和h2s的渗透性分别为80barrer和50barrer。类似地,无规共聚聚酰亚胺6fda ‑ dam/cardo(毫摩尔dam:毫摩尔cardo为1:3)的co2/ch4和h2s/ch4理想选择性分别为19和21,同时co2和h2s渗透性分别为48barrer和51barrer。 16.与...
用于分离含硫天然气的组分的共聚聚酰亚胺膜包含至少三种聚合在一起的不同部分,这些部分包括基于2,2'双(3,4二羧基苯基)六氟丙烷二酐(6FDA)的部分;基于2,4,6三甲基间苯二胺(DAM)的部分;和选自由以下部分组成的组中的至少一种组分:基于的4,4'(六氟异亚丙基)二苯胺(6FpDA)的部分;基于9,9双(4氨基苯基)芴...
最近模仿一位大佬的文献做6FDA-DAM,大佬又是按照美国一个专利做的,大佬做出来的分子量有165000,而我...
This work presents the gas separation evaluation of 6FDA-DAM:DABA (3:1) co-polyimide and its enhanced mixed matrix membranes (MMMs) with graphene oxide (GO) and ZIF-8 (particle size of <40 nm). The 6FDA-copolyimide was obtained through two-stage poly-condensation polymerization, while the...
Koros, High performance ZIF-8/ 6FDA-DAM mixed matrix membrane for propylene/propane separations, J. Memb. Sci. 389 (2012) 34-42, http://dx.doi.org/10.1016/j.memsci.2011.10.003.C. Zhang, Y. Dai, J.R. Johnson, O. Karvan, W.J. Koros, High performance ZIF-8/6FDA- DAM mixed ...
A C 3H 6 permeability of 56.2 Barrer and C 3H 6/C 3H 8 ideal selectivity of 31.0 was found in ZIF-8/6FDA-DAM mixed matrix membrane with 48.0 wt% ZIF-8 loading, which are 258% and 150% higher than the pure 6FDA-DAM membrane, respectively for permeability and selectivity. Permeation ...
The preparation of 6FDA-DAM MMMs by the addition of several fillers such us NH2-MIL-53(Al) [34], ZIF-11 [35], CPO-27(Mg) [36], ZIF-90 [37] and ZIF-8 [38] has been reported in literature. Membrane properties for gas separation are shown and compared with our MMM in the ...
bi:dam(1:1)杂化膜及其制备方法。 9.为实现上述任一目的,本发明首先提供了一种zif ‑ 8/6fda ‑ bi:dam(1:1)(4,4' ‑ (六氟异亚丙基)二邻苯二甲酸酐 ‑2‑ (4 ‑ 氨基苯基) ‑5‑ 氨基苯并咪唑 ‑ 2,4,6 ‑ 三甲基 ...
Koros, Butane isomer transport properties of 6FDA-DAM and MFI-6FDA-DAM mixed matrix membranes, J. Membr. Sci., 343 (1-2), 2009, 157Liu J,Bae T,Qiu W,Husain S,Nair S,Jones C W,Chance R R,Koros W J.Butane isomertransport properties of6FDA-DAM and MFI-6FDA-DAM mixed matrix ...