EP0268849A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Poly(aminoaromatic) compounds
Assignee: Dow Chemical Co
•
Filing: 1987-10-26
•
Granted: —
•
Expires: 2007-10-26
Abstract
Abstract Disclosed is a class of poly(aminoaromatic) compounds (I) obtained by capping polymeric polyols or polythiols with aromatic amine groups wherein the latter groups are linked by -O- or -S- to the polyol (polythiol) residues. Also disclosed are the precursor poly(nitroaromatic) compounds (II) and process therefor from which the compounds (I) are derived. The polyamines are characterized by amine reactivities in respect of isocyanate polyaddition reactions which allows for polymer reaction rates that are intermediate of prior art related polyamine compounds. Accordingly, the compounds (I) find their prime utility in the formation of synthetic resins containing polyurea linkages.
Inventors
- 👤 Visweswara R. Durvasula
- 👤 Fred A. Stuber
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 01:44
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/32; C08G65/00; C08G65/02; C08G65/32; C08G65/321; C08G65/322; C08G18/40; C08G18/48; C08G18/50; C08G18/5021; C08G18/5024; C08G18/5027; C08G18/5072; C08G18/52; C08G65/329; C08G65/333; C08G65/33379; C08G65/33386; C08G65/33389; C08G65/34; C08G65/48; C08G75/00; C08G75/02
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
83 words
A poly(aminoaromatic) compound characterized by the formula wherein R is the residue after removal of hydroxyl groups or mercapto groups respectively of a polymeric polyol or polythiol having a molecular weight of from 400 to 10,000 and a functionality n of from 2 to 6, -X- represents -O- when said R is the residue of a polyol and -S- when said R is the residue of a polythiol, y is 1 or 2 and A is selected from hydrogen and an inert substituent.
Claim 2
Dependent Claim
83 words
A poly(aminoaromatic) compound characterized by the formula wherein R is the residue after removal of hydroxyl groups or mercapto groups respectively of a polymeric polyol or polythiol having a molecular weight of from 400 to 10,000 and a functionality n of from 2 to 6, -X- represents -O- when said R is the residue of a polyol and -S- when said R is the residue of a polythiol, y is 1 or 2 and A is selected from hydrogen and an inert substituent.
Claim 3
Dependent Claim
39 words
A compound according to Claim 1 wherein X is -O-, R is the residue of a polypropyleneoxy-polyethyleneoxy glycol having a molecular weight of 2,000, n = 2, y = 1 and said NH₂ groups are in the para position.
Claim 4
Dependent Claim
39 words
A compound according to Claim 1 wherein X is -O-, R is the residue of a polypropyleneoxy-polyethyleneoxy glycol having a molecular weight of 2,000, n = 2, y = 1 and said NH₂ groups are in the ortho position.
Claim 5
Dependent Claim
39 words
A compound according to Claim 1 wherein X is -O-, R is the residue of a polypropyleneoxy glycol having a molecular weight of 2,000, n = 2, y = 1 and said NH₂ groups are in the ortho position.
Claim 6
Dependent Claim
41 words
A compound according to Claim 1 wherein X is -O-, R is the residue of a polyethyleneoxy capped polypropyleneoxy triol having a molecular weight of 5,000, n = 3, y = 1 and said NH₂ groups are in the ortho position.
Claim 7
Dependent Claim
44 words
A compound according to Claim 1 wherein X is -O-, R is the residue of a polymeric polyol having an average molecular weight of 400 to 500, an average functionality of 4, y is 1 and said NH₂ groups are in the ortho position.
Claim 8
Dependent Claim
45 words
A compound according to Claim 1 wherein X is -O-, R is the residue of a polypropyleneoxy glycol having a molecular weight of 2,000, n = 2, y is 2 and said NH₂ groups are in the ortho and para position relative to the -O-.
Claim 9
Dependent Claim
83 words
A poly(nitroaromatic) compound characterized by the formula wherein R is the residue after removal of hydroxyl groups or mercapto groups respectively of a polymeric polyol or polythiol having a molecular weight of from 400 to 10,000 and a functionality n of from 2 to 6, X represents -O- when said R is the residue of a polyol and -S- when said R is the residue of a polythiol, y is 1 or 2 and A is selected from hydrogen and an inert substituent.
Claim 10
Dependent Claim
83 words
A poly(nitroaromatic) compound characterized by the formula wherein R is the residue after removal of hydroxyl groups or mercapto groups respectively of a polymeric polyol or polythiol having a molecular weight of from 400 to 10,000 and a functionality n of from 2 to 6, X represents -O- when said R is the residue of a polyol and -S- when said R is the residue of a polythiol, y is 1 or 2 and A is selected from hydrogen and an inert substituent.
Claim 11
Dependent Claim
32 words
A molded synthetic resin containing polyurea linkages prepared by the reaction of a poly(aminoaromatic) compound according to Claim 1 with an organic polyisocyanate, optionally in the presence of polymeric polyols and/or extenders.
Claim 12
Dependent Claim
38 words
A film cast from a solution of a synthetic resin containing polyurea linkages prepared by the reaction of a poly(aminoaromatic) compound according to Claim 1 with an organic polyisocyanate, optionally in the presence of polymeric polyols and/or extenders.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.