ppPLUS: Technologies and more


Go to Homepage to browse companies and process data

ppPLUS-Solutions providing Services and Support

Register creating your own models

Name
DOW PMDA
Owner
/ Dow Incorporated
Brand
PMDA Process
Process
Condensation Reaction
Type
Condensation of Aniline with Formaldehyde
Available
Process for the Preparation of a Polyamine Mixture comprising Di(aminophenyl)methane and Oligomeric Polymethylene Polyphenyl Polyamines by the acid catalyzed Reaction of Aniline with Formaldehyde to sequentially form a Mixture comprising Aminobenzylamines which latter subsequently rearrange with heat to form a Reaction Product comprising said Polyamine Mixture, the improvement which comprises adding an Aniline free Mixture of Di(aminophenyl) Methanes and Oligomeric Polymethylene Polyphenyl Polyamines to said sequentially formed Aminobenzylamine Mixture comprising at least 40 percent by weight of said Aminobenzylamines prior to their said rearrangement to said Polyamine Mixture.
Link
https://patents.google.com/patent/US4792624A/en
System Info

Updated by
UserPic  Kokel, Nicolas
Updated
4/8/2022 7:29 AM
Added by
UserPic  Kokel, Nicolas
Added
11/15/2021 1:02 PM
Solutions
Solutions

Solution-Reference:

#T43

No Services yet available.
Enquire in Solutions how we can help you.

Title Date
Entity Site (Country) Asset (Plant)
Sadara Sadara PMDA Plant