Phthalaldehyde (sometimes also o-phthalaldehyde or ortho-phthalaldehyde, OPA) is the chemical compound with the formula C6H4(CHO)2. It is one of three...

Poly(phthalaldehyde), abbreviated as PPA, is a metastable stimuli-responsive polymer first synthesized in 1967. It has garnered significant attention...

as polyanhydrides, polyesters, polyacrylic acids, poly(methyl methacrylates), poly(phthalaldehyde), and polyurethanes. Hydrophilic, amorphous, low-molecular-weight...

usually used for negative photoresist, e.g. methyl methacrylate and poly(phthalaldehyde)/PAG blends Photocrosslinking photoresist is a type of photoresist...

production of many types of polymers or plastics. For instance, poly(phthalaldehyde) polymer, first developed in 1967, can be synthesized via both living...

also prompted search for polymers that are transient. For example, poly(phthalaldehyde) is a possible photodegradable substrate material for circuits.....