Penetrant-induced plasticization in microporous polymer membranes

KM Rodriguez, S Lin, AX Wu, KR Storme… - Chemical Society …, 2024 - pubs.rsc.org
Penetrant-induced plasticization has prevented the industrial deployment of many polymers
for membrane-based gas separations. With the advent of microporous polymers, new …

Colorless, low dielectric, and optically active semialicyclic polyimides incorporating a biobased isosorbide moiety in the main chain

R Sawada, S Ando - Macromolecules, 2022 - ACS Publications
1, 4; 3, 6-Dianhydrohexitols (isohexides) consisting of isosorbide, isomannide, and isoidide
are produced from cellulose and can be incorporated into superengineered plastics while …

Dielectric behavior of some aromatic polyimide films

S Chisca, VE Musteata, I Sava, M Bruma - European Polymer Journal, 2011 - Elsevier
Aromatic polyimides were prepared by polycondensation reaction of two aromatic diamines,
such as 4, 4′-diaminodiphenylmethane (DDM) and 3, 3′-dimethyl-4, 4 …

The cooperatively crosslinking between GO-COOH/TiO2@ PAO microcapsules and polyimide to improve the mechanical and tribological properties of PEEK/PI …

C Liao, Z Zhang, M Yang, J Yuan, M Liu, Y He, P Li… - Tribology …, 2024 - Elsevier
The PEEK fabric-reinforced polyimide resin containing microcapsules with excellent
mechanical and lubrication properties is reported. The GO-COOH/TiO 2@ PAO double-wall …

Dynamic relaxation characteristics of Matrimid® polyimide

AC Comer, DS Kalika, BW Rowe, BD Freeman… - Polymer, 2009 - Elsevier
The dynamic relaxation characteristics of Matrimid®(BTDA–DAPI) polyimide have been
investigated using dynamic mechanical and dielectric methods. Matrimid exhibits three …

Intrinsically microporous poly (imide) s: structure− porosity relationship studied by gas sorption and X-ray scattering

N Ritter, I Senkovska, S Kaskel, J Weber - Macromolecules, 2011 - ACS Publications
Intrinsically microporous soluble poly (imide) s were prepared via polycondensation from (±)-
2, 2′-diamino-1, 1′-binaphthalene or 4, 4′-(9-fluorenylidene) dianiline and four different …

Anisotropic Linear and Volumetric Thermal‐Expansion Behaviors of Self‐Standing Polyimide Films Analyzed by Thermomechanical Analysis (TMA) and Optical …

S Ando, K Sekiguchi, M Mizoroki… - Macromolecular …, 2018 - Wiley Online Library
The relationships between the molecular structure, polymer chain orientation, β‐transition
temperature, and the coefficients of in‐plane and out‐of‐plane linear thermal expansions …

Structure–promoted high performance properties of triphenylmethane-containing polyimides and copolyimides

I Sava, MD Damaceanu, CP Constantin… - European Polymer …, 2018 - Elsevier
Novel triphenylmethane-based polyimides and copolyimides were synthesized by
polycondensation reaction of 4, 4′-(4, 4′-isopropylidenediphenoxy) bis (phthalic …

Role of alicyclic conformation-isomerization in the photomechanical performance of azobenzene-functionalized cross-linked polyimides containing tetra-substituted …

DH Wang, KM Lee, DH Lee, M Baczkowski… - ACS Macro …, 2021 - ACS Publications
The classical “chair-twist boat–boat” conformational dynamics (CD) of cyclohexane is
thermally activated. Here we report on the photoinduced/azobenzene-assisted CD of …

Analysis of gas transport in molecularly-mixed composite membranes

MP Rivera, RP Lively - Journal of Membrane Science, 2022 - Elsevier
Individual molecules with intrinsic porosity, such as porous organic cages (POCs), have
significant potential to improve the performance of a variety of separations media. An …