US4026876A
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Soluble polyamide-imides derived from phenylindane diamines
Assignee: Novartis Corp
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Filing: 1975-09-15
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Granted: 1977-05-31
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Expires: 1995-09-15
Abstract
Abstract Polyamide-imides with phenylindane diamines incorporated into the polymer backbone have been found to be soluble in high concentration in polar organic solvents.
Inventors
- 👤 John H. Bateman
- 👤 David A. Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:49
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/06; C08G73/10; C08G73/14; C08G69/00; C08G69/02; C08G69/26; C08G69/32; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31623; Y10T428/31678; Y10T428/31681; Y10T428/31721; Y10T428/31725
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
126 words
A soluble polyamide-imide consisting essentially of the recurring unit having the formula ##STR11## wherein Y is a divalent organic radical selected from carbocyclic-aromatic, aliphatic, araliphatic, cycloaliphatic, and heterocyclic radicals, combinations of these, and radicals with heteroatom-containing bridging groups where the heteroatom in the bridge is oxygen, sulfur, nitrogen, silicon or phosphorus, provided that, out of the total number of polyamide-imide recurring units, 1 to 100 percent of such units have Y equal to a phenylindane radical of the structural formula ##STR12## wherein R 1 is hydrogen or lower alkyl and R 2 , r 3 , r 4 and R 5 are independently hydrogen, halogen or lower alkyl, and either aromatic ring of the unsymmetrical phenylindane radical may be bonded to an amide or imide nitrogen.
Claim 2
Dependent Claim
126 words
A soluble polyamide-imide consisting essentially of the recurring unit having the formula ##STR11## wherein Y is a divalent organic radical selected from carbocyclic-aromatic, aliphatic, araliphatic, cycloaliphatic, and heterocyclic radicals, combinations of these, and radicals with heteroatom-containing bridging groups where the heteroatom in the bridge is oxygen, sulfur, nitrogen, silicon or phosphorus, provided that, out of the total number of polyamide-imide recurring units, 1 to 100 percent of such units have Y equal to a phenylindane radical of the structural formula ##STR12## wherein R 1 is hydrogen or lower alkyl and R 2 , r 3 , r 4 and R 5 are independently hydrogen, halogen or lower alkyl, and either aromatic ring of the unsymmetrical phenylindane radical may be bonded to an amide or imide nitrogen.
Claim 3
Dependent Claim
123 words
A polyamide-imide of claim 1 wherein Y is a mixture of (a) the phenylindane radical, and (b) a radical equal to an alkylene group containing from 2 to 12 carbon atoms; a cycloalkylene group containing from 4 to 6 carbon atoms; an arylene group selected from ortho, meta or para phenylene, xylylene, tolylene, biphenylene, napthylene or anthrylene; a substituted arylene group of the formula ##STR13## wherein W is a covalent bond, carbonyl, ##STR14## --O--,--S--,--SS--, --N-phenyl, sulfonyl, a linear or branched alkylene group of from 1 to 3 carbon atoms, arylene, or a dialkyl or diaryl silyl group and R 6 and R 7 are independent and each is hydrogen; halogen; lower alkyl; lower alkoxy; or aryl; or to a mixture of these groups.
Claim 4
Dependent Claim
21 words
A polyamide-imide of claim 1 wherein Y is equal to the phenylindane radical in 100 percent of the polyamide-imide recurring units.
Claim 5
Dependent Claim
85 words
A polyamide-imide of claim 1 wherein Y is a mixture of (a) the phenylindane radical wherein R 1 -R 5 are independently hydrogen or methyl, and (b) a radical equal to (i) a group of the formula ##STR15## wherein W is a covalent bond, methylene, sulfur, oxygen or sulfone and R 6 and R 7 are independently hydrogen, halogen or lower alkyl, (ii) a group of the formula ##STR16## wherein R 8 is hydrogen, halogen, or lower alkyl, or (iii) a mixture of said groups
Claim 6
Dependent Claim
22 words
A polyamide-imide of claim 1 where in 100 percent of the polyamide-imide recurring units Y is equal to a mixture of ##STR17##
Claim 7
Dependent Claim
71 words
A polyamide-imide of claim 1 wherein Y is a mixture of ##STR18## (b) a radical equal to (i) a group of the formula ##STR19## wherein W is a covalent bond, methylene, sulfur, oxygen or sulfone and R 6 and R 7 are independently hydrogen, halogen or lower alkyl, (ii) a group of the formula ##STR20## wherein R 8 is hydrogen, halogen, or lower alkyl, or (iii) a mixture of said groups.
Claim 8
Dependent Claim
28 words
A polyamide-imide of claim 1 wherein Y is a mixture of ##STR21## (b) a radical equal to a group of the formula ##STR22## a mixture of these radicals.
Claim 9
Dependent Claim
109 words
A soluble polyamide-amic acid consisting essentially of the recurring unit having the formula ##STR23## wherein Y is a divalent organic radical selected from carbocyclic-aromatic, aliphatic, araliphatic, cycloaliphatic, and heterocyclic radicals, combination of these, and radicals with heteroatom-containing bridging groups where the heteroatom in the bridge is oxygen, sulfur, nitrogen, silicon or phosphorus, provided that, out of the total number of polyamide-imide recurring units, 1 to 100 percent of such units have Y equal to a phenylindane radical of the structural formula ##STR24## wherein R 1 is hydrogen or lower alkyl, and R 2 , r 3 , r 4 and R 5 are independently hydrogen, halogen or lower alkyl.
Claim 10
Dependent Claim
109 words
A soluble polyamide-amic acid consisting essentially of the recurring unit having the formula ##STR23## wherein Y is a divalent organic radical selected from carbocyclic-aromatic, aliphatic, araliphatic, cycloaliphatic, and heterocyclic radicals, combination of these, and radicals with heteroatom-containing bridging groups where the heteroatom in the bridge is oxygen, sulfur, nitrogen, silicon or phosphorus, provided that, out of the total number of polyamide-imide recurring units, 1 to 100 percent of such units have Y equal to a phenylindane radical of the structural formula ##STR24## wherein R 1 is hydrogen or lower alkyl, and R 2 , r 3 , r 4 and R 5 are independently hydrogen, halogen or lower alkyl.
Claim 11
Dependent Claim
124 words
A polyamide-amic acid of claim 8 wherein Y is a mixture of (a) the phenylindane radical, and (b) a radical equal to an alkylene group containing from 2 to 12 carbon atoms; a cycloalkylene group containing from 4 to 6 carbon atoms; an arylene group selected from ortho, meta or para phenylene, xylylene, tolylene, biphenylene, napthylene or anthrylene; a substituted arylene group of the formula ##STR25## wherein W is a covalent bond, carbonyl, ##STR26## --O--,--S--,--SS--, --N-phenyl, sulfonyl, a linear or branched alkylene group of from 1 to 3 carbon atoms, arylene, or a dialkyl or diaryl silyl group and R 6 and R 7 are independent and each is hydrogen; halogen; lower alkyl; lower alkoxy; or aryl; or to a mixture of these groups.
Claim 12
Dependent Claim
23 words
A polyamide-amic acid of claim 8 wherein Y is equal to the phenylindane radical in 100 percent of the polyamide-amic acid recurring units.
Claim 13
Dependent Claim
86 words
A polyamide-amic acid of claim 8 wherein Y is a mixture of (a) the phenylindane radical wherein R 1 -R 5 are independently hydrogen or methyl, and (b) a radical equal to (i) a group of the formula ##STR27## wherein W is a covalent bond, methylene, sulfur, oxygen or sulfone and R 6 and R 7 are independently hydrogen, halogen or lower alkyl, (ii) a group of the formula ##STR28## wherein R 8 is hydrogen, halogen, or lower alkyl, or (iii) A mixture of said groups.
Claim 14
Dependent Claim
23 words
A polyamide-amic acid of claim 8 wherein 100 percent of the polyamide-amic acid recurring units Y is equal to a mixture of ##STR29##
Claim 15
Dependent Claim
72 words
A polyamide-amic acid of claim 8 wherein Y is a mixture of ##STR30## (b) a radical equal to (i) a group of the formula ##STR31## wherein W is a covalent bond, methylene, sulfur, oxygen or sulfone and R 6 and R 7 are independently hydrogen, halogen or lower alkyl, (ii) a group of the formula ##STR32## wherein R 8 is hydrogen, halogen, or lower alkyl, or (iii) a mixture of said groups.
Claim 16
Dependent Claim
29 words
A polyamide-amic acid of claim 8 wherein Y is a mixture of ##STR33## (b) a radical equal to a group of the formula ##STR34## a mixture of these radicals.
Claim 17
Dependent Claim
18 words
A composition of matter which is comprised of a soluble polyamide-imide of claim 1 in an organic solvent.
Claim 18
Dependent Claim
19 words
A composition of matter which is comprised of a soluble polyamide-amic acid of claim 8 in an organic solvent.
References Cited (Backward Citations)
US3856752A
Cited
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