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809144

Sigma-Aldrich

Polyphthalaldehyde

Cyclic

Synonym(s):

cPPA

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About This Item

Linear Formula:
(C8H6O2)n
UNSPSC Code:
12352200

form

powder

mol wt

average Mn 10,000-20,000

PDI

<3

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application

PPA is a self-amplified depolymerization media for dry lithography.

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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Hector Lopez Hernandez et al.
Advanced materials (Deerfield Beach, Fla.), 26(45), 7637-7642 (2014-10-22)
Triggerable transient electronics are demonstrated with the use of a metastable poly(phthalaldehyde) polymer substrate and encapsulant. The rate of degradation is controlled by the concentration of the photo-acid generator and UV irradiance. This work expands on the materials that can
Joshua A Kaitz et al.
Journal of the American Chemical Society, 135(34), 12755-12761 (2013-08-09)
End-capped poly(phthalaldehyde) (PPA) synthesized by anionic polymerization has garnered significant interest due to its ease of synthesis and rapid depolymerization. However, alternative ionic polymerizations to produce PPA have been largely unexplored. In this report, we demonstrate that a cationic polymerization

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