US5674943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polycarbonate compositions modified with a polyamine compound
Assignee: Dow Chemical Co
•
Filing: 1995-02-14
•
Granted: 1997-10-07
•
Expires: 2015-02-14
Abstract
Abstract A blended composition containing polycarbonate, polyester, an olefinic epoxide-containing copolymer and a polyamine compound, which composition possesses a desirable balance of impact resistance, solvent resistance, and resistance to thermal deformation.
Inventors
- 👤 Hani Farah
- 👤 Leo Novak
- 👤 Michael K. Laughner
- 👤 Ralph D. Priester, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:55
CPC Classifications
C; C08; C08F; C08F291/00; C08L; C08L69/00; C08L33/00; C08L33/04; C08L33/06; C08L51/00; C08L51/04; C08L67/00; C08L67/02; C08L79/00; C08L79/02
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
62 words
A thermoplastic composition of matter comprising, in admixture, (a) polycarbonate, (b) polyester, (c) an olefinic epoxide-containing copolymer, having a glass transition temperature of less than 0° C., prepared from (i) one or more olefin monomers, one or more conjugated dienes, or a mixture thereof, and (ii) at least one vinyl monomer carrying at least one epoxide ring, and (d) a polyamine compound.
Claim 2
Dependent Claim
62 words
A thermoplastic composition of matter comprising, in admixture, (a) polycarbonate, (b) polyester, (c) an olefinic epoxide-containing copolymer, having a glass transition temperature of less than 0° C., prepared from (i) one or more olefin monomers, one or more conjugated dienes, or a mixture thereof, and (ii) at least one vinyl monomer carrying at least one epoxide ring, and (d) a polyamine compound.
Claim 3
Dependent Claim
21 words
The composition of claim 1 wherein component (ii), the olefinic epoxide-containing copolymer is a glycidyl ester of an unsaturated carboxylic acid.
Claim 4
Dependent Claim
284 words
The composition of claim 1 wherein the polyamine compound is described as H(A)N--E a --(E--G--E) b --N(A)H wherein A is independently in each instance hydrogen or a C 1 -C 6 linear or branched alkyl or alkylene radical, optionally interruptable with one or more nitrogen or oxygen atoms, wherein each carbon atom is optionally substituted with a hydroxy group, or a primary or secondary amine group; E is independently in each instance a C 1 -C 20 linear, branched or cyclic alkyl or alkylene radical, optionally interruptable with one or more nitrogen or oxygen atoms, wherein each carbon atom is optionally substituted with a halogen atom, a C 1 -C 6 alkoxy group, a C 6 -C 10 aryloxy group, a phenyl group, a hydroxy group, or a primary or secondary amine group; G is independently in each instance ##STR4## wherein: (I) Z is (A) a divalent radical, of which all or different portions can be (i) linear, branched, cyclic or bicyclic, (ii) aliphatic or aromatic, and/or (iii) saturated or unsaturated, said divalent radical being composed of 1-35 carbon atoms together with up to five oxygen, nitrogen, sulfur, phosphorous and/or halogen atoms, wherein each carbon atom is optionally substituted with a primary or secondary amine group; or (B) S, S 2 , SO, SO 2 , O or CO; or (C) a single bond; (II) each X is independently hydrogen, a halogen atom, a C 1 -C 12 linear or cyclic alkyl, alkoxy, aryl or aryloxy radical, or a hydroxy or primary or secondary amine group; and (III) g is 0 or 1; and a is 0 or 1; and b is 0 to 10, inclusive, although a and b cannot both be 0.
Claim 5
Dependent Claim
60 words
The composition of claim 1 wherein the polyamine compound is described as H(A)N-- E--(O--E) c ! d --O d -- G--(O--G) c ! e --N(A)H wherein A, E and G are as set forth in claim 6, c is 1 to 70, inclusive, and d and e are both 0 or 1, although d and e cannot both be 0.
Claim 6
Dependent Claim
39 words
The composition of claim 1 wherein the polyamine compound is described as H(A)N--Q-- O--C(O)--Q--C(O)--O--Q! f --O--C(O)--Q--C(O)--O--Q--N(A)H wherein Q is independently in each instance E or G, as set forth in claim 6, and f is 0 to 70, inclusive.
Claim 7
Dependent Claim
76 words
The composition of claim 1 wherein the polyamine compound is described as H(A)N--(E--NH) j --(R 2 --G--R 2 R 3 ) h --R 2 --G--R 2 --(E--NH) j --N(A)H wherein R 2 is independently in each instance a --E--CH(OH)--E-- radical; R 3 is independently in each instance a --NH--(E--NH) j -- radical; A, E and G are as set forth in claim 3; h is 0 to 25, inclusive; and j is 1 to 6, inclusive.
Claim 8
Dependent Claim
14 words
The composition of claim 1 which has a glass transition temperature exceeding 148° C.
Claim 9
Dependent Claim
30 words
The composition of claim 1 wherein the polycarbonate is prepared from Tetrahalo Bisphenol-A, Tetraalkyl Bisphenol-A, Bisphenol-AP, Bis(hydroxyphenyl) fluorene, or a copolymer of one or more of the foregoing with Bisphenol-A.
Claim 10
Dependent Claim
11 words
The composition of claim 1 further comprising an elastomeric impact modifier.
Claim 11
Dependent Claim
69 words
The composition of claim 1 wherein (a) the polycarbonate is prepared from Tetrahalo Bisphenol-A, Tetraalkyl Bisphenol-A, Bisphenol-AP, Bis(hydroxyphenyl) fluorene, or a copolymer of one or more of the foregoing with Bisphenol-A, (b) the polyester is a poly(alkylene terephthalate), (c) the epoxide-containing copolymer is ethylene/glycidyl methacrylate copolymer, ethylene/vinyl acetate/glycidyl methacrylate terpolymer, ethylene/butyl acrylate/glycidyl methacrylate terpolymer, or a mixture thereof, and (d) the polyamine compound is as described in claim 7.
Claim 12
Dependent Claim
12 words
The composition of claim 1 in the form of a molded article.
Claim 13
Dependent Claim
13 words
A motor vehicle comprising a part molded from the composition of claim 1.
Claim 14
Dependent Claim
93 words
A thermoplastic composition of matter comprising, in admixture, (a) polycarbonate in an amount of from about 5 to about 92 weight parts (b) polyester (c) olefinic epoxide-containing copolymer, having a glass transition temperature of less than 0° C., prepared from (i) one or more olefin monomers, one or more conjugated dienes, or a mixture thereof, and (ii) at least one vinyl monomer carrying at least one epoxide ring, and (d) polyamine compound in an amount of from about 0.0005 to about 1.0 weight parts, said weight parts being based on the total composition.
Claim 15
Dependent Claim
93 words
A thermoplastic composition of matter comprising, in admixture, (a) polycarbonate in an amount of from about 5 to about 92 weight parts (b) polyester (c) olefinic epoxide-containing copolymer, having a glass transition temperature of less than 0° C., prepared from (i) one or more olefin monomers, one or more conjugated dienes, or a mixture thereof, and (ii) at least one vinyl monomer carrying at least one epoxide ring, and (d) polyamine compound in an amount of from about 0.0005 to about 1.0 weight parts, said weight parts being based on the total composition.
Claim 16
Dependent Claim
30 words
The composition of claim 13 further comprising (e) an elastomeric impact modifier in an amount of up to 50 weight parts, said weight parts being based on the total composition.
References Cited (Backward Citations)
US3584047A
Cited
US3956569A
Cited
US4263409A
Cited
US4124549A
Cited
US4144284A
Cited
US4172859A
Cited
US4172858A
Cited
US4218543A
Cited
US4228218A
Cited
US4280005A
Cited
US4752415A
Cited
US4788283A
Cited
US4608404A
Cited
US4704331A
Cited
US4632962A
Cited
US5047487A
Cited
US4772496A
Cited
US5081184A
Cited
US4954574A
Cited
US4737523A
Cited
US4639486A
Cited
US4787991A
Cited
US4663373A
Cited
US4959481A
Cited
US4923718A
Cited
US4847416A
Cited
US4855181A
Cited
US4845133A
Cited
US4826894A
Cited
US5096974A
Cited
US4788249A
Cited
US4841001A
Cited
US5162405A
Cited
US4814380A
Cited
US5095054A
Cited
US4886842A
Cited
US4857593A
Cited
US4945003A
Cited
US5106884A
Cited
US5132371A
Cited
US5202385A
Cited
US4994503A
Cited
US5369154A
Cited
US5219493A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-10-06 | 2001-04-07 | 2001-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-10-06 | 2005-04-07 | 2005-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-10-06 | 2009-04-07 | 2009-10-07 | $7700.00 | Window Closed / Lapsed |