Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant having at least one -n=c=x group as well as...
Patent
1987-02-17
1988-11-15
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From reactant having at least one -n=c=x group as well as...
5253303, 5253305, 5253337, 525437, 525474, 528 80, 528 82, 528 83, 528327, 528332, 528341, 528373, 528403, 528405, 528422, 528423, C08G 8300
Patent
active
047850701
ABSTRACT:
A novel class of heterocyclic polymers and copolymers containing the 2-imidazolin-5-one ring structure is described. These polymers are prepared by reaction of bisazlactones and diamines, with or without suitable condensation monomers; the resultant polyamides are then thermally cyclodehydrated in the presence of a catalyst to produce the imidazolinone-containing polymers. Many of the poly(imidazolinones) are water soluble and therefore find utility in various aspects of water treatment, or in paper or fabric sizing.
REFERENCES:
patent: 3678005 (1972-07-01), Rabilloud et al.
patent: 4667012 (1987-05-01), Rasmussen et al.
C. S. Clever and B. C. Pratt (J. Am. Chem. Soc., 1955, 77, 1541.
Ueda, et al., J. Polym. Sci., Polym. Chem. Ed., 1975, 13, 659-677.
Heilmann Steven M.
Katritzky Alan R.
Krepski Larry R.
Rasmussen Jerald K.
Sakizadeh Kumars
Anderson Harold D.
Minnesota Mining and Manufacturing Company
Sell Donald M.
Sherman Lorraine R.
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