US4476294A
Expired / Lapsed
US
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Copolyester-carbonate resins
Assignee: General Electric Co
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Filing: 1983-12-16
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Granted: 1984-10-09
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Expires: 2003-12-16
Abstract
Abstract Thermoplastic aromatic copolyester-carbonate resins exhibiting improved processability derived from: (i) at least one diester-diol which is the coreaction product of (a) at least one aromatic hydroxy carboxylic acid or an ester forming reactive derivative thereof, and (b) at least one diol selected from aliphatic diols, aliphatic ether diols, and aromatic diols; (ii) at least one dihydric phenol; and (iii) a carbonyl halide carbonate precursor.
Inventors
- 👤 Victor Mark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:02
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/64
Claims Analysis
Total Claims: 38
Claim 1
Independent Claim
107 words
Thermoplastic aromatic copolyester-carbonate resin exhibiting improved processability containing recurring structural units represented by the general formulae: ##STR21## wherein: R is independently selected from divalent aromatic radicals; R 1 is selected from divalent aliphatic hydrocarbon radicals, divalent aliphatic ether residues, and divalent aromatic radicals; and R 2 is selected from divalent residues of dihydric phenols represented by the general formula ##STR22## wherein W is selected from divalent hydrocarbon radicals, --O--, --S--, --S--S--, ##STR23## R 9 is independently selected from monovalent hydrocarbon radicals and halogen radicals, z is independently selected from positive integers having a value of from 0 to 4 inclusive, and d is either zero or one.
Claim 2
Dependent Claim
107 words
Thermoplastic aromatic copolyester-carbonate resin exhibiting improved processability containing recurring structural units represented by the general formulae: ##STR21## wherein: R is independently selected from divalent aromatic radicals; R 1 is selected from divalent aliphatic hydrocarbon radicals, divalent aliphatic ether residues, and divalent aromatic radicals; and R 2 is selected from divalent residues of dihydric phenols represented by the general formula ##STR22## wherein W is selected from divalent hydrocarbon radicals, --O--, --S--, --S--S--, ##STR23## R 9 is independently selected from monovalent hydrocarbon radicals and halogen radicals, z is independently selected from positive integers having a value of from 0 to 4 inclusive, and d is either zero or one.
Claim 3
Dependent Claim
51 words
The resin of claim 1 wherein said divalent aromatic radicals represented by R are selected from radicals represented by the general formula ##STR24## wherein: R 4 is independently selected from monovalent hydrocarbon radicals and halogen radicals; and s is a positive integer having a value of from 0 to 4 inclusive.
Claim 4
Dependent Claim
22 words
The resin of claim 2 wherein said monovalent hydrocarbon radicals represented by R 4 are selected from alkyl radicals and cycloalkyl radicals.
Claim 5
Dependent Claim
15 words
The resin of claim 2 wherein said halogen radicals are selected from chlorine and bromine.
Claim 6
Dependent Claim
23 words
The resin of claim 2 wherein said divalent aliphatic hydrocarbon radicals represented by R 1 are selected from alkylene radicals and cycloalkylene radicals.
Claim 7
Dependent Claim
61 words
The resin of claim 2 wherein said divalent aliphatic ether residues represented by R 1 are represented by the general formula (--R.sup.5 --0).sub.n R.sup.6 -- wherein: R 5 is selected from alkylene radicals and cycloalkylene radicals; R 6 is selected from alkylene radicals and cycloalkylene radicals; and n is a positive integer having a value of from 1 to about 10.
Claim 8
Dependent Claim
65 words
The resin of claim 2 wherein said divalent aromatic radicals represented by R 1 are represented by the general formula ##STR25## wherein: R 7 is independently selected from monovalent hydrocarbon radicals and halogen radicals; Ar is selected from divalent aromatic radicals; and q is a positive integer having a value from and including zero up to the number of replaceable hydrogen atoms present on Ar.
Claim 9
Dependent Claim
15 words
The resin of claim 7 wherein Ar is selected from phenylene, biphenylene and naphthylene radicals.
Claim 10
Dependent Claim
24 words
The resin of claim 7 wherein said monovalent hydrocarbon radicals represented by R 7 are selected from alkyl, cycloalkyl, aryl, aralkyl and alkaryl radicals.
Claim 11
Dependent Claim
39 words
The resin of claim 7 wherein Ar is selected from divalent aromatic radicals represented by the general formula ##STR26## wherein R 8 is selected from alkylene radicals, alkylidene radicals, cycloalkylene radicals, cycloalkylidene radicals, --O--, --S--S--, ##STR27## --S--, and ##STR28##
Claim 12
Dependent Claim
25 words
the resin of claim 1 wherein said divalent hydrocarbon radicals represented by W are selected from alkylene radicals, cycloalkylene radicals, alkylidene radicals, and cycloalkylidene radicals.
Claim 13
Dependent Claim
28 words
The resin of claim 1 wherein said monovalent hydrocarbon radicals represented by R 9 are selected from alkyl radicals, cycloalkyl radicals, aryl radicals, aralkyl radicals, and alkaryl radicals.
Claim 14
Dependent Claim
16 words
The resin of claim 1 wherein said halogen radicals are selected from chlorine and bromine radicals.
Claim 15
Dependent Claim
13 words
The resin of claim 1 wherein said residue is the residue of bisphenol-A.
Claim 16
Dependent Claim
11 words
The resin of claim 14 wherein R is the phenylene radical.
Claim 17
Dependent Claim
11 words
The resin of claim 15 wherein said carbonate precursor is phosgene.
Claim 18
Dependent Claim
12 words
The resin of claim 16 wherein R 1 is an alkylene radical.
Claim 19
Dependent Claim
12 words
The resin of claim 16 wherein R 1 is a cycloalkylene radical.
Claim 20
Dependent Claim
14 words
The resin of claim 16 wherein R 1 is a divalent aliphatic ether residue.
Claim 21
Dependent Claim
73 words
Thermoplastic aromatic copolyester-carbonate resin exhibiting improved processability containing the reaction products of: (i) at least one diester-diol which is the coreaction product of (a) at least two moles of at least one aromatic hydroxy carboxylic acid or an ester forming reactive derivative thereof, and (b) one mole of a diol selected from aliphatic diols, aliphatic ether diols, and aromatic diols; (ii) at least one dihydric phenol; and (iii) a carbonyl halide carbonate precursor.
Claim 22
Dependent Claim
73 words
Thermoplastic aromatic copolyester-carbonate resin exhibiting improved processability containing the reaction products of: (i) at least one diester-diol which is the coreaction product of (a) at least two moles of at least one aromatic hydroxy carboxylic acid or an ester forming reactive derivative thereof, and (b) one mole of a diol selected from aliphatic diols, aliphatic ether diols, and aromatic diols; (ii) at least one dihydric phenol; and (iii) a carbonyl halide carbonate precursor.
Claim 23
Dependent Claim
16 words
The resin of claim 20 wherein said diester diol is utilized in a processability improving amount.
Claim 24
Dependent Claim
28 words
The resin of claim 21 wherein said processability improving amount is from about 1 to about 45 mole percent, based on the amount of said dihydric phenol present.
Claim 25
Dependent Claim
31 words
The resin of claim 22 wherein said processability improving amount is in the range of from about 2 to about 25 mole percent, based on the amount of said dihydric phenol.
Claim 26
Dependent Claim
46 words
The resin of claim 21 wherein said aromatic hydroxy carboxylic acid is represented by the general formula ##STR29## wherein: R 4 is independently selected from monovalent hydrocarbon radicals and halogen radicals; and s is a positive integer having a value of from 0 to 4 inclusive.
Claim 27
Dependent Claim
22 words
The resin of claim 24 wherein said monovalent hydrocarbon radicals represented by R 4 are selected from alkyl radicals and cycloalkyl radicals.
Claim 28
Dependent Claim
9 words
The resin of claim 24 wherein s is zero.
Claim 29
Dependent Claim
70 words
The resin of claim 21 wherein said ester forming reactive derivative of said aromatic hydroxy carboxylic acid is represented by the general formula ##STR30## wherein: R 4 is independently selected from monovalent hydrocarbon radicals and halogen radicals; s is a positive integer having a value of from 0 to 4 inclusive; and X is selected from halogen radicals and --OR 12 radicals wherein R 12 represents a monovalent hydrocarbon radical.
Claim 30
Dependent Claim
17 words
The resin of claim 21 wherein said aliphatic diols are selected from alkylene diols and cycloalkylene diols.
Claim 31
Dependent Claim
54 words
The resin of claim 21 wherein said aliphatic ether diols are represented by the general formula HO--(--R.sup.5 --O--).sub.n --R.sup.6 --OH wherein: R 5 is selected from alkylene and cycloalkylene radicals; R 6 is selected from alkylene and cycloalkylene radicals; and n is a positive integer having a value of from 1 to about 10.
Claim 32
Dependent Claim
63 words
The resin of claim 21 wherein said dihydric phenol is represented by the general formula ##STR31## wherein: R 9 is independently selected from monovalent hydrocarbon radicals and halogen radicals; W is selected from divalent hydrocarbon radicals, --O--, --S--, --S--S--, ##STR32## z is independently selected from positive integers having a value of from 0 to 4 inclusive; and d is either zero or one.
Claim 33
Dependent Claim
19 words
The resin of claim 30 wherein said divalent hydrocarbon radicals are selected from alkylene, cycloalkylene, alkylidene, and cycloalkylidene radicals.
Claim 34
Dependent Claim
20 words
The resin of claim 30 wherein said monovalent hydrocarbon radicals are selected from alkyl, cycloalkyl, aryl, aralkyl, and alkaryl radicals.
Claim 35
Dependent Claim
11 words
The resin of claim 30 wherein said dihydric phenol is bisphenol-A.
Claim 36
Dependent Claim
13 words
The resin of claim 33 wherein said carbonyl halide carbonate precursor is phosgene.
Claim 37
Dependent Claim
29 words
The resin of claim 34 wherein said aromatic hydroxy carboxylic acid or an ester forming reactive derivative thereof is hydroxy benzoic acid or an ester forming reactive derivative thereof.
Claim 38
Dependent Claim
17 words
The resin of claim 35 wherein said diol is selected from aliphatic diols and aliphatic ether diols.
References Cited (Backward Citations)
US4107143A
Cited
US4381358A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-10-09 | 1988-04-09 | 1988-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-10-09 | 1992-04-09 | 1992-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-10-09 | 1996-04-09 | 1996-10-09 | $7700.00 | Window Closed / Lapsed |