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900029

Sigma-Aldrich

Polyphthalaldehyde

Linear

Synonym(s):

PPA

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About This Item

Linear Formula:
(C8H6O2)n
UNSPSC Code:
12352200
NACRES:
NA.23

Quality Level

form

powder

mol wt

average Mn 5000-8000

PDI

<2

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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


Certificates of Analysis (COA)

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Probe-based 3-D nanolithography using self-amplified depolymerization polymers.
Armin W Knoll et al.
Advanced materials (Deerfield Beach, Fla.), 22(31), 3361-3365 (2010-04-27)
Wanji Seo et al.
Journal of the American Chemical Society, 132(27), 9234-9235 (2010-06-23)
This Communication describes a strategy for designing stimuli-responsive plastics that are capable of responding to chemical signals in the environment by changing shape. The plastics consist of patterned mixtures of poly(phthalaldehyde) polymers in which each polymer contains a different end-capping

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