US4554309A
Expired / Lapsed
US
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Polycarbonate from cycloalkylidene tetra alkyl substituted diphenol
Assignee: General Electric Co
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Filing: 1984-06-14
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Granted: 1985-11-19
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Expires: 2004-06-14
Abstract
Abstract Thermoplastic polymer exhibiting improved heat resistance comprised of the polymerized reaction products of (i) a carbonate precursor, and (ii) at least one dihydric phenol represented by the general formula ##STR1## wherein: R is independently selected from alkyl radicals; R 1 is independently selected from monovalent hydrocarbon radicals; X is selected from cycloalkylidene radicals containing from 8 to about 16 ring carbon atoms; each n is two; and m represents a whole number having a value of from 0 up to the number of replaceable hydrogen atoms present on X.
Inventors
- 👤 Victor Mark
- 👤 Charles V. Hedges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:52
CPC Classifications
C; C08; C08G; C08G64/00; C08G64/04; C08G64/06
Claims Analysis
Total Claims: 51
Claim 1
Independent Claim
100 words
Thermoplastic polymeric composition exhibiting improved heat resistance comprised of (i) at least one thermoplastic high molecular weight carbonate polymer comprised of the reaction products of: (a) a carbonate precursor; and (b) at least one dihydric phenol represented by the general formula ##STR36## wherein R is independently selected from alkyl radicals, each n is two, R 1 is independently selected from monovalent hydrocarbon radicals, X represents a cycloalkylidene radical containing from 10 to about 16 ring carbon atoms, and m represents a whole number having a value of from 0 up to the number of replaceable hydrogen atoms present on X.
Claim 2
Dependent Claim
100 words
Thermoplastic polymeric composition exhibiting improved heat resistance comprised of (i) at least one thermoplastic high molecular weight carbonate polymer comprised of the reaction products of: (a) a carbonate precursor; and (b) at least one dihydric phenol represented by the general formula ##STR36## wherein R is independently selected from alkyl radicals, each n is two, R 1 is independently selected from monovalent hydrocarbon radicals, X represents a cycloalkylidene radical containing from 10 to about 16 ring carbon atoms, and m represents a whole number having a value of from 0 up to the number of replaceable hydrogen atoms present on X.
Claim 3
Dependent Claim
15 words
The composition of claim 1 wherein m has a value of from 0 to 6.
Claim 4
Dependent Claim
9 words
The composition of claim 2 wherein m is 0.
Claim 5
Dependent Claim
16 words
The composition of claim 3 wherein said alkyl radicals represented by R are lower alkyl radicals.
Claim 6
Dependent Claim
18 words
The composition of claim 4 wherein said lower alkyl radicals contain from 1 to about 4 carbon atoms.
Claim 7
Dependent Claim
20 words
The composition of claim 3 wherein X represents a cycloalkylidene radical containing from 11 to about 16 ring carbon atoms.
Claim 8
Dependent Claim
19 words
The composition of claim 6 wherein X represents a cycloalkylidene radical containing from 12 to 16 ring carbon atoms.
Claim 9
Dependent Claim
15 words
The composition of claim 4 wherein said dihydric phenol is represented by the formula ##STR37##
Claim 10
Dependent Claim
20 words
The composition of claim 8 wherein X represents a cycloalkylidene radical containing from 11 to about 16 ring carbon atoms.
Claim 11
Dependent Claim
19 words
The composition of claim 9 wherein X represents a cycloalkylidene radical containing from 12 to 16 ring carbon atoms.
Claim 12
Dependent Claim
11 words
The composition of claim 8 wherein said carbonate precursor is phosgene.
Claim 13
Dependent Claim
16 words
The composition of claim 8 wherein said dihydric phenol is represented by the general formula ##STR38##
Claim 14
Dependent Claim
20 words
The composition of claim 12 wherein X represents a cycloalkylidene radical containing from 11 to about 16 ring carbon atoms.
Claim 15
Dependent Claim
19 words
The composition of claim 13 wherein X represents a cycloalkylidene radical containing from 12 to 16 ring carbon atoms.
Claim 16
Dependent Claim
11 words
The composition of claim 14 wherein X represents the cyclododecylidene radical.
Claim 17
Dependent Claim
10 words
The composition of claim 15 wherein each R is methyl.
Claim 18
Dependent Claim
11 words
The composition of claim 16 wherein said carbonate precursor is phosgene.
Claim 19
Dependent Claim
19 words
The composition of claim 1 which further contains a flame retardant amount of at least one flame retardant compound.
Claim 20
Dependent Claim
27 words
The composition of claim 18 wherein said flame retardant compound is selected from the organic salts of the alkali or alkaline earth metal salts of sulfonic acids.
Claim 21
Dependent Claim
19 words
The composition of claim 1 which further contains an impact modifying amount of at least one impact modifying compound.
Claim 22
Dependent Claim
92 words
The composition of claim 1 wherein said thermoplastic polymer (i) is comprised of the reaction products of: (a); (b); and (c) at least one dihydric phenol represented by the general formula ##STR39## wherein R 2 is independently selected from halogen radicals, monovalent hydrocarbon radicals, or monovalent hydrocarbonoxy radicals, A is selected from alkylene radicals, alkylidene radicals, cycloalkylene and cycloalkylidene radicals containing from 4 to 6 ring carbon atoms, ##STR40## b is either zero or one, and a is independently selected from whole numbers having a vlue of from 0 to 4 inclusive.
Claim 23
Dependent Claim
24 words
The composition of claim 21 wherein the amount of said dihdyric phenol (b) used is an amount effective to improve the heat resistance thereof.
Claim 24
Dependent Claim
29 words
The composition of claim 22 wherein amount of (b) is from about 5 to about 90 ght percent, based on the amount of dihydric phenols (b) and (c) used.
Claim 25
Dependent Claim
17 words
The composition of claim 23 wherein said amount is from about 10 to about 80 weight percent.
Claim 26
Dependent Claim
9 words
The composition of claim 22 wherein b is one.
Claim 27
Dependent Claim
14 words
The composition of claim 25 wherein A is selected from alkylene or alkylidene radicals.
Claim 28
Dependent Claim
15 words
The composition of claim 26 wherein R 2 is independently selected from monovalent hydrocarbon radicals.
Claim 29
Dependent Claim
15 words
The composition of claim 27 wherein a is zero and A is an alkylidene radical.
Claim 30
Dependent Claim
11 words
The composition of claim 28 wherein said dihydric phenol is bisphenol-A.
Claim 31
Dependent Claim
27 words
The composition of claim 29 wherein said dihydric phenol (b) is represented by the general formula ##STR41## wherein each R is independently selected from lower alkyl radicals.
Claim 32
Dependent Claim
11 words
The composition of claim 30 wherein X represents the cyclododecylidene radical.
Claim 33
Dependent Claim
10 words
The composition of claim 31 wherein each R is methyl.
Claim 34
Dependent Claim
11 words
The composition of claim 32 wherein said carbonate precursor is phosgene.
Claim 35
Dependent Claim
19 words
The composition of claim 22 which further contains a flame retardant amount of at least one flame retardant compound.
Claim 36
Dependent Claim
24 words
The composition of claim 34 wherein said flame retardant compound is selected from the organic alkali or alkaline earth metal salts of sulfonic acids.
Claim 37
Dependent Claim
19 words
The composition of claim 32 which further contains an impact modifying amount of at least one impact modifying compound.
Claim 38
Dependent Claim
97 words
The composition of claim 1 which further contains (ii) at least one thermoplastic resin comprised of the reaction products of: (d) a carbonate precursor; and (e) at least one dihydric phenol represented by the general formula ##STR42## wherein R 2 is independently selected from halogen radicals, monovalent hydrocarbon radicals, or monovalent hydrocarbonoxy radicals, A is selected from alkylene radicals, alkylidene radicals, cycloalkylene or cycloalkylidene radicals containing from 4 to 6 ring carbon atoms, ##STR43## b is either zero or one, and a is independently selected from whole numbers having a value of from 0 to 4 inclusive.
Claim 39
Dependent Claim
18 words
The composition of claim 37 which contains an amount of polymer (i) effective to improve the resistance thereof.
Claim 40
Dependent Claim
36 words
The composition of claim 38 wherein said amount of polymer (i) is in the range of from about 5 to about 90 weight percent, based on the total amounts of polymer (i) and resin (ii) present.
Claim 41
Dependent Claim
21 words
The composition of claim 39 wherein said amount is in the range of from about 10 to about 80 weight percent.
Claim 42
Dependent Claim
9 words
The composition of claim 38 wherein b is one.
Claim 43
Dependent Claim
14 words
The composition of claim 41 wherein A is selected from alkylene or alkylidene radicals.
Claim 44
Dependent Claim
30 words
The composition of claim 42 wherein said dihdyric phenol (b) of polymer (i) is represented by the general formula ##STR44## wherein each R is independently selected from lower alkyl radicals.
Claim 45
Dependent Claim
11 words
The composition of claim 43 wherein X is the cyclododecylidene radical.
Claim 46
Dependent Claim
12 words
The composition of claim 44 wherein each R is a methyl radical.
Claim 47
Dependent Claim
15 words
The composition of claim 45 wherein said dihydric phenol (e) of resin (ii) is bisphenol-A.
Claim 48
Dependent Claim
11 words
The composition of claim 46 wherein said carbonate precursor is phosgene.
Claim 49
Dependent Claim
19 words
The composition of claim 38 which further contains a flame retardant amount of at least one flame retardant compound.
Claim 50
Dependent Claim
23 words
The composition of claim 48 wherein flame retardant compound is selected from the organic alkali or alkaline earth metal salts of sulfonic acids.
Claim 51
Dependent Claim
19 words
The composition of claim 38 which further contains an impact modifying amount of at least one impact modifying compound.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-11-18 | 1989-05-20 | 1989-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-11-18 | 1993-05-20 | 1993-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-11-18 | 1997-05-20 | 1997-11-19 | $7700.00 | Window Closed / Lapsed |