Polyimides from 3,3'-dioxo-[1,1']-spirodiphthalan-5,5',6,6'-tetracarboxylic dianhydride 1 This proje

doi:10.1016/S0032-3861(98)00587-4

Paper

Polyimides from 3,3'-dioxo-[1,1']-spirodiphthalan-5,5',6,6'-tetracarboxylic dianhydride 1 This proje

Published Jun 1, 1999 · Fu‐She Han, M. Ding, Lian‐xun Gao

Polymer

Q1 SJR score

5

Citations

0

Influential Citations

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Abstract

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Study Snapshot

The novel dianhydride 3,3′-dioxo-[1,1′]-spirodiphthalan-5,5′,6,6'-tetracarboxylic dianhydride can be used to create transparent, flexible, and tough polyimides with high glass transition temperatures and mechanical properties.

PopulationOlder adults (50-71 years)

Sample size24

MethodsObservational

OutcomesBody Mass Index projections

ResultsSocial networks mitigate obesity in older groups.

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Paper

Polyimides from 3,3'-dioxo-[1,1']-spirodiphthalan-5,5',6,6'-tetracarboxylic dianhydride 1 This proje

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References

Anionic Ring-Opening Alternating Copolymerizations of Bicyclic and Spirocyclic Bis(.gamma.-lactone)s with Epoxides via a Tandem Double Ring-Opening Isomerization of the Bislactones

Anionic copolymerization of bicyclic and spirocyclic bis(-lactone)s with epoxides can produce copolymers with different thermal properties, depending on the structure of the epoxide.

Preparation and thermal properties of acrylic polymers with pendant spirobislactone groups

Acrylic polymers with pendant spirobislactone groups can be prepared by radical chain polymerization, with glass-transition temperatures and weight average molecular weights ranging widely, and their cross-linking rate and extent can be independently selected.

Controlled shrinkage polymers: Characterization of epoxy resins cured with spirobislactones

Curing epoxy resins with spirobislactones effectively reduces shrinkage and improves thermal properties compared to anhydride-cured materials.

Citations

Improving resistive switching characteristics of polyimide-based volatile memory devices by introducing triphenylamine branched structures

Introducing triphenylamine branched structures in polyimide-based volatile memory devices improves resistive switching characteristics, lower threshold voltage, and operation stability.

Design and synthesis of ferrocene-terminated hyperbranched polyimide for memory devices

Ferrrocene-terminated hyperbranched polyimide (HBPI-Fc) demonstrates bistable electrical conductivity switching and nonvolatile bipolar write-once-read-many-times memory in memory devices.

Carborane polyimides, synthesis and characterization

Carborane polyimides with meta-carborane cages show excellent thermal stability and potential applications in neutron shielding and detecting devices in the aerospace and nuclear power industries.

Mechanically robust thermally rearranged (TR) polymer membranes with spirobisindane for gas separation

SpiroTR-PBO membranes show high gas permeability and robust mechanical properties, making them ideal for carbon capture and gas separation.

Advanced polyimide materials: Syntheses, physical properties and applications

Advanced polyimide materials with tailored functional groups and dendritic structures can enhance the properties and applications of high-temperature polymers in diverse fields.