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US5674943A Expired / Lapsed US ⏱️ 0.0 years remaining

Polycarbonate compositions modified with a polyamine compound

Assignee: Dow Chemical Co
•
Filing: 1995-02-14
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Granted: 1997-10-07
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Expires: 2015-02-14
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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.

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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

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