EP0135779A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Polycarbonate resin mixtures
Assignee: General Electric Co
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Filing: 1984-08-16
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Granted: —
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Expires: 2004-08-16
Abstract
Abstract Novel compositions with high impact strength in both thin and thick-walled sections, and good weld line strength at room temperatures are provided in the form of resinous mixtures comprising: (A) an aromatic carbonate polymer resin selected from the group consisting of (i) an aromatic polycarbonate resin, (ii) a poly(ester-carbonate) copolymer resin, and (iii) a mixture of (i) and (ii); and (B) an impact modifier combination therefor comprising (i) a polyester resin selected from the group consisting of (a) a poly(alkylene terephthalate) resin, when (A) is (i) or (iii), and (b) an amorphous copolyester copolymer resin, and (c) a mixture of (a) and (b); and (ii) a diene based, grafted core-shell copolymer.
Inventors
- 👤 Omar Mohamed Boutni
- 👤 Edward Louis Belfoure
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-26 01:49
CPC Classifications
C; C08; C08L; C08L69/00; C08L69/005
Claims Analysis
Total Claims: 50
Claim 1
Independent Claim
164 words
A resin mixture comprising: (A) an aromatic carbonate polymer resin selected from the group consisting of: (i) an aromatic polycarbonate resin, (ii) a poly(ester-carbonate) copolymer resin, and (iii) a mixture of (i) and (ii); and (B) an impact modifier combination therefor comprising: (i) a polyester resin selected from the group consisting of (a) a poly(alkylene terephthalate) resin, when (A) is (i) or (iii), and (b) an amorphous copolyester copolymer resin, alone or in further combination with (a); and (ii) a grafted core-shell copolymer resin comprising an elastomeric core phase comprising a conjugated diene polymer, said core being polymerized from over 50 weight percent of said diene; optionally a second intermediate phase of a polymerized vinyl aromatic monomer being grafted to said core; and a final shell phase polymerized from a monomer selected from the group consisting of a Cl-C6 alkyl acrylate, a Cl -C 6 alkyl methacrylate, acrylic acid, methacrylic acid, and a mixture of any of the foregoing, together with a crosslinking monomer.
Claim 2
Dependent Claim
164 words
A resin mixture comprising: (A) an aromatic carbonate polymer resin selected from the group consisting of: (i) an aromatic polycarbonate resin, (ii) a poly(ester-carbonate) copolymer resin, and (iii) a mixture of (i) and (ii); and (B) an impact modifier combination therefor comprising: (i) a polyester resin selected from the group consisting of (a) a poly(alkylene terephthalate) resin, when (A) is (i) or (iii), and (b) an amorphous copolyester copolymer resin, alone or in further combination with (a); and (ii) a grafted core-shell copolymer resin comprising an elastomeric core phase comprising a conjugated diene polymer, said core being polymerized from over 50 weight percent of said diene; optionally a second intermediate phase of a polymerized vinyl aromatic monomer being grafted to said core; and a final shell phase polymerized from a monomer selected from the group consisting of a Cl-C6 alkyl acrylate, a Cl -C 6 alkyl methacrylate, acrylic acid, methacrylic acid, and a mixture of any of the foregoing, together with a crosslinking monomer.
Claim 3
Dependent Claim
48 words
A resin mixture as defined in Claim 1, wherein aromatic carbonate polymer resin component (A) comprises from about 50 to about 90 parts by weight and impact modifier combination (B) comprises from about 10 to about 50 parts by weight, based upon the weight of the overall composition.
Claim 4
Dependent Claim
56 words
A resin mixture as defined in Claim 2 wherein in said impact modifier combination (B), the polyester resin component (B) (i) comprises from about 9 to about 40 parts by weight and the grafted core-shell copolymer component (B)(ii) comprises from about 1 to about 10 parts by weight, based upon the weight of (A) and (B).
Claim 5
Dependent Claim
21 words
A resin mixture as defined in Claim 1, wherein said aromatic carbonate polymer resin (A) comprises (A)(i) an aromatic polycarbonate resin.
Claim 6
Dependent Claim
31 words
A resin mixture as defined in Claim 4, wherein aromatic polycarbonate resin (A)(i) comprises recurring structural units of the formula: wherein A is a divalent aromatic radical of a dihydric phenol.
Claim 7
Dependent Claim
23 words
A resin mixture as defined in Claim 5, wherein in said formula, A is derived from a 4, 4' - dihydroxy-di(mononuclear aryl) alkane.
Claim 8
Dependent Claim
16 words
A resin mixture as defined in Claim 1, wherein said aromatic polycarbonate resin (A)(i) comprises poly(2,2-dihydroxydiphenyl-propane)carbonate.
Claim 9
Dependent Claim
17 words
A resin mixture as defined in Claim 4 wherein said aromatic polycarbonate resin (A)(i) comprises poly(2,2-dihydroxydiphenyl-propane) carbonate.
Claim 10
Dependent Claim
28 words
A resin mixture as defined in Claim 4, wherein in said impact modifier combination (B), the polyester resin (B) (i) comprises (B) (i) (a) a poly(alkylene terephthalate) resin.
Claim 11
Dependent Claim
18 words
A resin mixture as defined in Claim 9, wherein said poly(alkylene terephthalate) resin is a poly(ethylene terephthalate) resin.
Claim 12
Dependent Claim
30 words
ll. A resin mixture as defined in Claim 4, wherein said impact modifier combination (B), the polyester resin component (B) (i) is (B) (i) (b) an amorphous copolyester copolymer resin.
Claim 13
Dependent Claim
72 words
A resin mixture as defined in Claim 11, wherein said amorphous copolyester copolymer resin (B)(i)(b) comprises a polyester copolymer derived from (i) a glycol portion comprising 1,4-cyclohexanedimethanol and ethylene glycol, wherein the molar ratio of 1,4-cyclohexanedimethanol to ethylene glycol is from about 1:4 to 4:1 and (ii) an acid portion comprising an aromatic dicarboxylic acid selected from the group consisting of terephthalic acid, isophthalic acid, and a mixture of the two acids.
Claim 14
Dependent Claim
20 words
A resin mixture as defined in Claim 11 wherein said amorphous copolyester copolymer resin (B)(i)(b) comprises a poly((0.7)ethylene-co-(0.3)-1,4-cyclohexanedimethylene terephthalate) resin.
Claim 15
Dependent Claim
36 words
A resin mixture as defined in Claim 4, wherein in said impact modifier combination (B), the polyester resin component (B)(i) comprises a mixture of a poly(alkylene terephthalate) resin (B)(i)(a) and an amorphous copolyester copolymer resin (B)(i)(b).
Claim 16
Dependent Claim
93 words
A resin mixture as defined in Claim 14, wherein said polyester resin component (B) (i) comprises a mixture of a poly(alkylene terephthalate) resin (B) (i) (a) and (B) (i) (b) an amorphous copolyester copolymer resin comprising a polyester copolymer derived from (i) a glycol portion comprising 1,4-cyclohexanedimethanol and ethylene glycol, wherein the molar ratio of 1,4-cyclohexane- diamethanol to ethylene glycol is from about 1:4 to 4:1 and (ii) an acid portion comprising an aromatic dicarboxylic acid selected from the group consisting of terephthalic acid, isphthalic acid, and a mixture of the two acids.
Claim 17
Dependent Claim
32 words
A resin mixture as defined in Claim 14 wherein said polyester resin component (B)(i) comprises a mixture of (B)(i)(a) a poly(ethylene terephthalate) resin and (B) (ii) (b) a poly((0.7)ethylene-co-(0.3) 1,4-cyclohexanedimethylene terephthalate) resin.
Claim 18
Dependent Claim
40 words
.17. A resin mixture as defined in Claim 4, wherein in said grafted core-shell copolymer component (B)(ii), the core phase comprises a butadiene-styrene copolymer, the intermediate phase comprises polymerized styrene and the shell stage comprises methylmethacrylate and 1,3-butylene glycol dimethacrylate.
Claim 19
Dependent Claim
84 words
A resin mixture as defined in Claim 4, wherein said grafted core-shell copolymer (B)(ii) comprises a core phase polymerized from 71 parts by weight butadiene, 3 parts by weight stryene, 4 parts by weight methyl methacrylate and 1 part by weight divinyl benzene;, a second phase polymerized from 11 parts by weight styrene; and a shell phase polymerized from 11 parts by weight methyl methacrylate and 0.1 parts by weight 1,3-butylene glycol dimethacrylate, based upon the total weight of the overall grafted core-shell copolymer.
Claim 20
Dependent Claim
21 words
A resin mixture as defined in Claim 1, wherein the aromatic carbonate polymer resin (A) comprises (A)(ii) a poly(ester-carbonate) copolymer resin.
Claim 21
Dependent Claim
36 words
A resin mixture as defined in Claim 19, wherein said poly(estercarbonate) resin is derived from (a) a dihydric phenol, (b) at least one aromatic dicarboxylic acid or a reactive derivative thereof, and (c) a carbonate precursor.
Claim 22
Dependent Claim
57 words
A resin mixture as defined in Claim 19 wherein said poly(ester-carbonate) copolymer resin is derived from bisphenol-A, terephthaloyldichloride, isophthaloyldichloride, and phosgene, wherein the molar ratios of dihydroxy-diaryl units to benzene dicarboxylate units to carbonate units is from about 1 : 0.6-0.75: 0.4-0.25 and the molar ratio of terephthalate units to isophthalate units is about 8.5 : 1.5.
Claim 23
Dependent Claim
27 words
A resin mixture as defined in Claim 19, wherein in said impact modifier combination (B), the polyester resin component (B)(i) is (B)(i)(b) an amorphous copolyester copolymer resin.
Claim 24
Dependent Claim
73 words
.23. A resin mixture as defined in Claim 22, wherein said amorphous copolyester copolymer resin (B)(i)(b) comprises a polyester copolymer derived from (i) a glycol portion comprising 1,4-cyclohexanedimethanol and ethylene glycol, wherein the molar ratio of 1,4-cyclohexanedimethanol to ethylene glycol is from about 1:4 to 4:1 and (ii) an acid portion comprising an aromatic dicarboxylic acid selected from the group consisting of terephthalic acid, isophthalic acid, and a mixture of the two acids.
Claim 25
Dependent Claim
22 words
A resin mixture as defined in Claim 23, wherein said amorphous copolyester copolymer resin (B) (i) (b) comprises a poly((0.7)ethylene-co-(0.3)-l,4-cyclohexanedimethylene terephthalate) resin.
Claim 26
Dependent Claim
41 words
25 . A resin mixture as defined in Claim 19 wherein in said impact modifier combination (B), the polyester resin component (B) (i) comprises (B) (i) a mixture of a poly(alkylene terephthalate) resin (B)(i)(a) and an amorphous copolyester copolymer resin (B)(i)(b).
Claim 27
Dependent Claim
93 words
A resin mixture as defined in Claim 25, wherein said polyester resin component (B) (i) comprises a mixture of a poly(alkylene terephthalate) resin (B) (i) (a) and (B) (i) (b) an amorphous copolyester copolymer resin comprising a polyester copolymer derived from (i) a glycol portion comprising 1,4-cyclohexanedimethanol and ethylene glycol, wherein the molar ratio of 1,4-cyclohexane- diamethanol to ethylene glycol is from about 1:4 to 4:1 and (ii) an acid portion comprising an aromatic dicarboxylic acid selected from the gorup consisting of terephthalic acid, isphthalic acid, and a mixture of the two acids.
Claim 28
Dependent Claim
33 words
A resin mixture as defined in Claim 25 wherein said polyester resin component (B) (i) comprises a mixture of (B)(i)(a) a poly(ethylene terephthalate) resin and (B) (i) (b) a poly((0.7)ethylene-co-(0.3) 1,4-cyclohexanedimethylene terephthalate) resin.
Claim 29
Dependent Claim
43 words
2 8 . A resin mixture as defined in Claim 1 9 wherein in said grafted core-shell copolymer component (B)(ii), the core phase comprises a butadiene-styrene copolymer, the intermediate phase comprises polymerized styrene and the shell stage comprises methylmethacrylate and 1,3-butylene glycol dimethacrylate.
Claim 30
Dependent Claim
84 words
A resin mixture as defined in Claim 19 wherein said grafted core-shell copolymer (B)(ii) comprises a core phase polymerized from 71 parts by weight butadiene, 3 parts by weight stryene, 4 parts by weight methyl methacrylate and 1 part by weight divinyl benzene;, a second phase polymerized from 11 parts by weight styrene; and a shell phase polymerized from 11 parts by weight methyl methacrylate and 0.1 parts by weight 1,3-butylene glycol dimethacrylate, based upon the total weight of the overall grafted core-shell copolymer.
Claim 31
Dependent Claim
33 words
A resin mixture as defined in Claim 1, wherein said aromatic carbonate polymer resin component (A) comprises (A)(iii),'a mixture of an aromatic polycarbonate resin (A)(i) and a poly(ester-carbonate) copolymer resin ( A )(ii).
Claim 32
Dependent Claim
39 words
A resin mixture as defined in Claim 30, wherein in said aromatic carbonate polymer resin (A)(iii), the aromatic polycarbonate resin (A)(i) comprises recurring structural units of the formula: wherein A is a divalent aromatic radical of a dihydric phenol.
Claim 33
Dependent Claim
20 words
A resin mixture as defined in Claim 31, wherein in said formula, A is derived from a 4'4-dihydroxy-di(mononuclear aryl) alkane.
Claim 34
Dependent Claim
16 words
A resin mixture as defined in Claim 30, wherein said aromatic polycarbonate resin (A)(i) comprises poly(2,2-dihydroxydiphenyl-propane)carbonate.
Claim 35
Dependent Claim
39 words
A resin mixture as defined in Claim 30, wherein said poly(ester-carbonate) copolymer resin (a) (ii) is derived from (a) a dihydric phenol, (b) at least one aromatic dicarboxylic acid or a reactive derivative thereof and (c) a carbonate precursor.
Claim 36
Dependent Claim
59 words
A resin mixture as defined in Claim 30, wherein said poly(ester-carbonate) copolymer resin (a) (ii) is derived from bisphenol-A, terephthaloyldichloride, isophthaloyldichloride and phosgene, wherein the molar ratios of dihydroxy-diaryl units to benzene dicarboxylate units to carbonate units is from about 1: 0.6-0.75 : 0.4-0.25 and the molar ratio of terephthalate units to isophthalate units is about 8.5 to 1.5.
Claim 37
Dependent Claim
28 words
A resin mixture as defined in Claim 30, wherein in said impact modifier combination (B), the polyester resin (B) (i) comprises (B) (i) (a) a poly(alkylene terephthalate) resin.
Claim 38
Dependent Claim
18 words
A resin mixture as defined in Claim 36, wherein said poly(alkylene terephthalate) resin is a poly(ethylene terephthalate) resin.
Claim 39
Dependent Claim
27 words
A resin mixture as defined in Claim 30, wherein in said impact modifier combination (B), the polyester resin component (B)(i) is (B)(i)(b) an amorphous copolymester copolymer resin.
Claim 40
Dependent Claim
72 words
A resin mixture as defined in Claim 38, wherein said amorphous copolyester copolymer resin (B)(i)(b) comprises a polyester copolymer derived from (i) a glycol portion comprising 1,4-cyclohexanedimethanol and ethylene glycol, wherein the molar ratio of 1,4-cyclohexanedimethanol to ethylene glycol is from about 1:4 to 4:1 and (ii) an acid portion comprising an aromatic dicarboxylic acid selected from the group consisting of terephthalic acid, isophthalic acid, and a mixture of the two acids.
Claim 41
Dependent Claim
22 words
40 . A resin mixture as defined in Claim 38, wherein said amorphous copolyester copolymer resin (B)(i)(b) comprises a poly((0.7)ethylene-co-(o.3)-l,4-cyclohexanedimethylene terephthalate) resin.
Claim 42
Dependent Claim
39 words
A resin mixture as defined in Claim 30, wherein in said impact modifier combination (B), the polyester resin component (B)(i) comprises a mixture of a poly(alkylene terephthalate) resin (B)(i) (a) and an amorphous copolyester copolymer resin (B) (i) (b).
Claim 43
Dependent Claim
94 words
- 42 . A resin mixture as defined in Claim 41. wherein said polyester resin component (B)(i) comprises a mixture of a poly(alkylene terephthalate) resin (B) (i) (a) and (B) (i) (b) an amorphous copolyester copolymer resin comprising a polyester copolymer derived from (i) a glycol portion comprising 1,4-cyclohexanedimethanol and ethylene glycol, wherein the molar ratio of 1,4-cyclohexanedimethanol to ethylene glycol is from about 1:4 to 4:1 and (ii) an acid portion comprising an aromatic dicarboxylic acid selected from the group consisting of terephthalic acid, isophthalic acid, and a mixture of the two acids.
Claim 44
Dependent Claim
32 words
A resin mixture as defined in Claim 41, wherein said polyester resin component (B)(i) comprises a mixture of (B)(i)(a) a poly(ethylene terephthalate) resin and (B) (ii) (b) a poly((0.7) ethylene-co-(0.3)l,4-cyclohexanedimethylene terephthalate) resin.
Claim 45
Dependent Claim
41 words
A resin mixture as defined in Claim 30, wherein in said grafted core-shell copolymer component (B)(ii), the core phase comprises a butadiene styrene copolymer, the intermediate phase comprises polymerized styrene and the shell stage comprises methyl methacrylate and 1,3-butylene glycol dimethacrylate.
Claim 46
Dependent Claim
86 words
4 5 . A resin mixture as defined in Claim 30, wherein said grafted core-shell copolymer (B)(ii) comprises a core phase polymerized from 71 parts by weight butadiene, 3 parts by weight styrene, 4 parts by weight methyl methacrylate and 1 part by weight divinylbenzene; a second phase polymerized from 11 parts by weight styrene; and a shell phase polymerized from 11 parts by weight methyl methacrylate and 0.1 parts by weight 1,3-butylene glycol dimethacrylate, based upon the total weight of the overall grafted core-shell copolymer.
Claim 47
Dependent Claim
9 words
An article molded from the composition of Claim 1.
Claim 48
Dependent Claim
9 words
An article molded from the composition of Claim 4.
Claim 49
Dependent Claim
9 words
An article molded from the composition of Claim 19.
Claim 50
Dependent Claim
9 words
An article molded from the composition of Claim 30.
References Cited (Backward Citations)
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