Aromatic polyimine and process for preparing the same, and aroma

Details Aromatic polyimine and process for preparing the same, and aroma Aromatic polyimine and process for preparing the same, and aroma

1995-03-24

1996-04-30

Krass, Frederick

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528137, 528142, 528146, 528149, 528153, 528158, 528162, C08G 1208

Patent

active

055126413

ABSTRACT:
What is disclosed an aromatic oligoimine having a recurring unit composed of an aromatic dialdehyde having a phenolic hydroxyl group and an aromatic diamine and a number-average degree of polymerization of 2 to 20 and a process for preparing the same, and an aromatic polyimine made by thermally dehydrating the aromatic oligoimine and a process for preparing the same.

REFERENCES:
patent: 3023161 (1962-02-01), Luvisi et al.
patent: 3516971 (1970-06-01), Webb
patent: 3526611 (1970-09-01), Webb
patent: 5378795 (1995-01-01), Bryant
Chemical Abstracts 118:234029, "Macrocyclic and Macroacyclic Compartmental Schiff Bases".
Defensive Publication, US-T-918 005, Baker et al., published Jan. 1, 1974.
International Search Report for International Application No. PCT/JP94/01224.

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