Patent US4638033A successfully refreshed from Google Patents.
US4638033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resinous composition of a carbonate resin and a grafted derivative of ethylene-propylene-diene terpolymer exhibiting improved resistance to organic solvents
Assignee: General Electric Co
•
Filing: 1985-12-23
•
Granted: 1987-01-20
•
Expires: 2005-12-23
Abstract
Abstract A resin composition comprising: (i) a blend of at least one aromatic carbonate resin and at least one grafted derivative of an ethylene-propylene-diene terpolymer; and (ii) an amount at least effective to improve the impact properties and resistance to organic solvents of said blend of at least one polymer selected from (a) a polyolefin, (b) an olefin-acrylate or methacrylate copolymer, or (c) at least one selectively hydrogenated linear, sequential or radial teleblock copolymer of a vinyl aromatic compound and an olefin elastomer.
Inventors
- 👤 Omar M. Boutni
- 👤 Ping Y. Liu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:25
CPC Classifications
C; C08; C08L; C08L51/00; C08L51/06; C08L33/00; C08L33/04; C08L33/06; C08L69/00; C08L69/005; Y; Y10; Y10S; Y10S525/00; Y10S525/901
Claims Analysis
Total Claims: 41
Claim 1
Independent Claim
65 words
An improved resin composition exhibiting improved resistance to organic solvents comprising (i) a blend comprised of at least one aromatic carbonate resin and at least one grafted derivative of an ethylene-propylene-diene terpolymer; the improvement comprising said composition additionally comprising (ii) an amount at least effective to improve the impact properties and resistance to organic solvents of said blend of a least one polymer selected from
Claim 2
Dependent Claim
65 words
An improved resin composition exhibiting improved resistance to organic solvents comprising (i) a blend comprised of at least one aromatic carbonate resin and at least one grafted derivative of an ethylene-propylene-diene terpolymer; the improvement comprising said composition additionally comprising (ii) an amount at least effective to improve the impact properties and resistance to organic solvents of said blend of a least one polymer selected from
Claim 3
Dependent Claim
29 words
(a) a polyolefin, (b) an olefin-acrylate or methacrylate copolymer, or (c) a selectively hydrogenated linear, sequential or radial teleblock copolymer of a vinyl aromatic compound and an olefinic elastomer.
Claim 4
Dependent Claim
29 words
(a) a polyolefin, (b) an olefin-acrylate or methacrylate copolymer, or (c) a selectively hydrogenated linear, sequential or radial teleblock copolymer of a vinyl aromatic compound and an olefinic elastomer.
Claim 5
Dependent Claim
40 words
The composition of claim 1 wherein said grafted derivative of an ethylene-propylene-diene terpolymer is an ethylene-propylene-non-conjugated diene interpolymer grafted with the homopolymer or copolymer of monoethylenically unsaturated monomers having a phenyl, carbonyl or cyano group attached to a vinylic carbon.
Claim 6
Dependent Claim
14 words
The composition of claim 2 wherein said aromatic carbonate resin is a polycarbonate resin.
Claim 7
Dependent Claim
70 words
The composition of claim 3 wherein said polycarbonate resin contains at least one recurring structural unit represented by the formula ##STR5## wherein R and R' are independently selected from monovalent hydrocarbon radicals, monovalent hydrocarbonoxy radicals, or halogen radicals, W is selected from divalent hydrocarbon radicals, ##STR6## n and n' are independently selected from integers having a value of from 0 to 4 inclusive, and b is either zero or one.
Claim 8
Dependent Claim
9 words
The composition of claim 4 wherein b is one.
Claim 9
Dependent Claim
13 words
The composition of claim 5 wherein W is selected from divalent hydrocarbon radicals.
Claim 10
Dependent Claim
27 words
The composition of claim 1 wherein said amount of (ii) is at least about 1 weight percent, based on the total amounts of (i) and (ii) present.
Claim 11
Dependent Claim
17 words
The composition of claim 7 wherein said amount of (ii) is at least about 2 weight percent.
Claim 12
Dependent Claim
17 words
The composition of claim 8 wherein said amount of (ii) is at least about 3 weight percent.
Claim 13
Dependent Claim
9 words
The composition of claim 1 wherein (ii) is (a).
Claim 14
Dependent Claim
14 words
The composition of claim 10 wherein said polyolefin is a linear low density polyethylene.
Claim 15
Dependent Claim
22 words
The composition of claim 11 wherein said grafted derivative of ethylene-propylene-diene terpolymer is a graft polymer of styrene-acrylonitrile on an ethylene-propylene-5-ethylidene-2norbornene chain.
Claim 16
Dependent Claim
13 words
The composition of claim 12 wherein said carbonate resin is a polycarbonate resin.
Claim 17
Dependent Claim
19 words
The composition of claim 13 wherein said polycarbonate resin is comprised of the reaction product of bisphenol-A and phosgene.
Claim 18
Dependent Claim
9 words
The composition of claim 1 wherein (ii) is (b).
Claim 19
Dependent Claim
42 words
The composition of claim 15 wherein (b) is at least one olefin monomer copolymerized with at least one of a comonomer selected from a C 1 -C 6 alkyl acrylate, a C 1 -C 6 alkyl methacrylate, acrylic acid, or methacrylic acid.
Claim 20
Dependent Claim
12 words
The composition of claim 16 wherein (b) is an ethylene ethylacrylate copolymer.
Claim 21
Dependent Claim
22 words
The composition of claim 17 wherein said grafted derivative of ethylene-propylene-diene terpolymer is a graft polymer of styrene-acrylonitrile on an ethylene-propylene-5-ethylidene-2-norbornene chain.
Claim 22
Dependent Claim
13 words
The composition of claim 18 wherein said carbonate resin is a polycarbonate resin.
Claim 23
Dependent Claim
19 words
The composition of claim 19 wherein said polycarbonate resin is comprised of the reaction product of bisphenol-A and phosgene.
Claim 24
Dependent Claim
9 words
The composition of claim 1 wherein (ii) is (c).
Claim 25
Dependent Claim
64 words
The composition of claim 21 wherein (c) is a selectively hydrogenated linear, sequential, or radial teleblock copolymer resin of a vinyl aromatic compound A c and A' c and an olefinic elastomer B of the A-B-A, A-(B-A-B) c -A, A-(BA) c -B, A 4 B, BA 4 , or B-((AB) c B) 4 type, wherein c is an integer of from 1 to 10.
Claim 26
Dependent Claim
39 words
The composition of claim 22 wherein in d selectively hydrogenated block copolymer (c) A and A' are selected from styrene, alpha-methylstyrene, p-methylstyrene, vinyl toluene, vinyl xylene, or vinyl naphthylene and B is selected from butadiene, isoprene, 1,3-pentadiene, or 2,3-dimethylbutadiene.
Claim 27
Dependent Claim
29 words
The composition of claim 23 wherein in said selectively hydrogenated block copolymer resin A is a styrene block, B is a diolefin block, and A' is a styrene block.
Claim 28
Dependent Claim
46 words
The composition of claim 24 wherein in said slectively hydrogenated block copolymer terminal blocks A and A' each have weight average molecular weights of about 2,000 to about 60,000, and center block B has a weight average molecular weight of from about 20,000 to about 450,000.
Claim 29
Dependent Claim
22 words
The composition of claim 25 wherein said grafted derivative of ethylene-propylene-diene terpolymer is a graft polymer of styrene-acrylonitrile on an ethylene-propylene-5-ethylidene-2-norbornene chain.
Claim 30
Dependent Claim
13 words
The composition of claim 26 wherein said carbonate resin is a polycarbonate resin.
Claim 31
Dependent Claim
19 words
The composition of claim 27 wherein said polycarbonate resin is comprised of the reaction product of bisphenol-A and phosgene.
Claim 32
Dependent Claim
18 words
The composition of claim 1 which contains a flame retardant amount of at least one flame retardant compound.
Claim 33
Dependent Claim
13 words
The composition of claim 1 wherein said carbonate resin is a copolyester-carbonate resin.
Claim 34
Dependent Claim
30 words
The composition of claim 30 wherein said copolyester-carbonate resin is comprised of the reaction product of at least one dihydric phenol, a carbonate precursor, and at least one ester precursor.
Claim 35
Dependent Claim
20 words
The composition of claim 31 wherein said copolyester-carbonate resin contains from about 25 to about 90 mole percent ester bonds.
Claim 36
Dependent Claim
29 words
The composition of claim 32 wherein said ester precursor is selected from isophthalic acid, terephthalic acid, mixtures of isophthalic and terephthalic acids, or the ester forming reactive derivatives thereof.
Claim 37
Dependent Claim
15 words
The composition of claim 33 wherein said ester forming reactive derivatives are the acid dihalides.
Claim 38
Dependent Claim
13 words
The composition of claim 34 wherein said acid dihalides are the acid dichlorides.
Claim 39
Dependent Claim
9 words
The composition of claim 32 wherein (ii) is (a).
Claim 40
Dependent Claim
9 words
The composition of claim 32 wherein (ii) is (b).
Claim 41
Dependent Claim
9 words
The composition of claim 32 wherein (ii) is (c).
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-01-19 | 1990-07-21 | 1991-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-01-19 | 1994-07-21 | 1995-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-01-19 | 1998-07-21 | 1999-01-20 | $7700.00 | Window Closed / Lapsed |