In this case, certain changes in pH, acidity or alkalinity, can make the polymer more or less rigid, essentially allowing a portion of material to become more or less porous.

More information: Kohei Okubo et al, Triphenylamine‐Based Porous Organic Polymers with High Porosity: their High Carbon‐Dioxide Adsorption and Proton‐Conductivity Emergence, Small (2025).

Polymer coating cools down buildings Date: September 27, 2018 Source: Columbia University School of Engineering and Applied Science Summary: Engineers have invented a high-performance exterior ...

image: Experiments using water forced through a membrane sample allowed the researchers to gauge how porous the material is, as well as how it responds mechanically to being made wet. The pores ...

Porous polymers transport lithium ions efficiently Custom-made membranes may lead to safe, long-lasting, high-voltage lithium batteries by Mitch Jacoby April 13, 2021 3 min read ...

When exposed to the sky, the porous polymer passive daytime radiative cooling coating reflects sunlight and emits heat to attain significantly cooler temperatures than typical building materials or ...

In comparison with insoluble 2D or 3D crosslinked porous polymers, the 1D polymer chains display solution processability and outstanding solubility. The dissolved PHOF-1 retains the sequential 1D ...

Optical transformation: porous polymer coatings switch from white to translucent when wetted and can be put in frames to make panels for light and temperature control of buildings. (Courtesy: ...

11:00 am Porous polymers – also known as porous plastics - are the unknown science inside many of the products we use every day, providing key functionalities to products as diverse as coloring ...

Experiments using water forced through a membrane sample allowed the researchers to gauge how porous the material is, as well as how it responds mechanically to being made wet. The pores are about ...