US4555546A
Expired / Lapsed
US
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Compatibilized blends of acrylic ester
Assignee: Advanced Elastomer Systems LP
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Filing: 1984-11-27
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Granted: 1985-11-26
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Expires: 2004-11-27
Abstract
Abstract Compatibilized polymer blends are described comprising a blend of olefin polymer, cross-linkable acrylic ester copolymer rubber, and a compatibilizing amount of a graft copolymer comprising acrylic ester copolymer compatibilizing segments and olefin polymer compatibilizing segments.
Inventors
- 👤 Raman Patel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:22
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; C08L33/00; C08L33/04; C08L33/06; C08L33/08; C08L51/00; C08L51/06
Claims Analysis
Total Claims: 39
Claim 1
Independent Claim
143 words
A compatibilized polymer composition comprising a blend of about 1-99 parts by weight of an olefin polymer comprising amorphous or crystalline essentially saturated homopolymers or copolymers of C 2 -C 8 alpha monoolefins, about 99-1 parts by weight of cured acidic acrylic ester copolymer rubber containing about 0.1-25 mole percent of carboxylic acid; and at least about 0.1 weight percent of a graft copolymer comprising at least one olefin polymer compatibilizing segment derived from an olefin polymer selected from the group consisting of amorphous or crystalline essentially saturated homopolymers or copolymers of C 2 -C 8 alpha monoolefins, polybutadiene, polyisoprene, and polyalkenamer and at least one acidic acrylic ester copolymer rubber compatibilizing segment derived from a polymer selected from the group consisting of epichlorohydrin polymer, nitrile rubber, urethane polymer, vinyl chloride polymer, polyamide, polyamine, acrylic polymer, polyester, and acidic acrylic ester copolymer rubber.
Claim 2
Dependent Claim
143 words
A compatibilized polymer composition comprising a blend of about 1-99 parts by weight of an olefin polymer comprising amorphous or crystalline essentially saturated homopolymers or copolymers of C 2 -C 8 alpha monoolefins, about 99-1 parts by weight of cured acidic acrylic ester copolymer rubber containing about 0.1-25 mole percent of carboxylic acid; and at least about 0.1 weight percent of a graft copolymer comprising at least one olefin polymer compatibilizing segment derived from an olefin polymer selected from the group consisting of amorphous or crystalline essentially saturated homopolymers or copolymers of C 2 -C 8 alpha monoolefins, polybutadiene, polyisoprene, and polyalkenamer and at least one acidic acrylic ester copolymer rubber compatibilizing segment derived from a polymer selected from the group consisting of epichlorohydrin polymer, nitrile rubber, urethane polymer, vinyl chloride polymer, polyamide, polyamine, acrylic polymer, polyester, and acidic acrylic ester copolymer rubber.
Claim 3
Dependent Claim
24 words
The composition of claim 1 in which the graft copolymer is derived from an olefin polymer containing one or more graft forming functional groups.
Claim 4
Dependent Claim
18 words
The composition of claim 2 in which the graft copolymer is derived from an acidic acrylic copolymer rubber.
Claim 5
Dependent Claim
36 words
The composition of claim 3 comprising about 10-90 parts by weight of olefin polymer and correspondingly, about 90-10 parts by weight of acidic acrylic copolymer rubber, and about 0.5 to 25 weight percent of graft copolymer.
Claim 6
Dependent Claim
34 words
The composition of claim 4 in which the graft copolymer is formed by reaction between a graft forming functional group of an olefin polymer and an acid group of an acidic acrylic copolymer rubber.
Claim 7
Dependent Claim
21 words
The composition of claim 4 in which the copolymer rubber is a copolymer of ethylene, alkyl acrylate and unsaturated carboxylic acid.
Claim 8
Dependent Claim
79 words
The composition of claim 6 in which the graft copolymer is formed by reaction of a graft forming functional group of an olefin polymer and an acid group of an acidic acrylic copolymer rubber with a grafting agent having two or more reactive groups with at least one group which will react with the functional group of the olefin polymer and at least one other group which will react with the acid group of the acid acrylic copolymer rubber.
Claim 9
Dependent Claim
33 words
The composition of claim 7 in which the graft forming group of the olefin polymer is selected from the group consisting of carboxy, halo, amino, and a group derived from methylol phenolic material.
Claim 10
Dependent Claim
20 words
The composition of claim 8 in which the grafting agent is an organic compound containing at least two amino groups.
Claim 11
Dependent Claim
15 words
The composition of claim 9 in which the olefin polymer is crystalline polypropylene or polyethylene.
Claim 12
Dependent Claim
36 words
The composition of claim 10 in which the rubber comprises at least 50 mole percent of ethylene, about 0.5 to 10 mole percent of carboxylic acid, and up to about 49.5 mole percent of alkyl acrylate.
Claim 13
Dependent Claim
26 words
The composition of claim 11 in which the graft copolymer is prepared from olefin polymer containing a graft forming functional group derived from methylol phenolic material.
Claim 14
Dependent Claim
25 words
The composition of claim 11 in which the graft copolymer is prepared from olefin polymer containing a graft forming functional group derived from unsaturated acid.
Claim 15
Dependent Claim
27 words
The composition of claim 13 in which the graft copolymer is prepared from olefin polymer containing a graft forming functional group derived from maleic acid or anhydride.
Claim 16
Dependent Claim
17 words
The composition of claim 14 in which the grafting agent is a C 6 -C 20 diamine.
Claim 17
Dependent Claim
41 words
The composition of claim 11 in which the composition is thermoplastic and the blend comprises about 20-60 parts by weight of polypropylene, and about 80-40 parts by weight of cured acidic acrylic copolymer rubber in which the blend is dynamically vulcanized.
Claim 18
Dependent Claim
14 words
The composition of claim 4 in which the graft copolymer is prepared in situ.
Claim 19
Dependent Claim
14 words
The composition of claim 14 in which the graft copolymer is prepared in situ.
Claim 20
Dependent Claim
14 words
The composition of claim 16 in which the graft copolymer is prepared in situ.
Claim 21
Dependent Claim
134 words
A compatibilized polymer composition comprising a blend of about 1-99 parts by weight of an olefin polymer comprising amorphous or crystalline essentially saturated homopolymers or copolymers of C 2 -C 8 alpha monoolefins, about 99-1 parts by weight of a cross-linked acrylic ester copolymer rubber and at least about 0.1 weight percent of a graft copolymer comprising at least one olefin polymer compatibilizing segment derived from an olefin polymer selected from the group consisting of amorphous or crystalline essentially saturated homopolymers or copolymers of C 2 -C 8 alpha monoolefins, polybutadiene, polyisoprene, and polyalkenamer and at least one acrylic ester copolymer rubber compatibilizing segment derived from a polymer selected from the group consisting of epichlorohydrin polymer, nitrile rubber, urethane polymer, vinyl chloride polymer, polyamide, polyamine, acrylic polymer, polyester, and cross-linkable acrylic ester copolymer rubber.
Claim 22
Dependent Claim
134 words
A compatibilized polymer composition comprising a blend of about 1-99 parts by weight of an olefin polymer comprising amorphous or crystalline essentially saturated homopolymers or copolymers of C 2 -C 8 alpha monoolefins, about 99-1 parts by weight of a cross-linked acrylic ester copolymer rubber and at least about 0.1 weight percent of a graft copolymer comprising at least one olefin polymer compatibilizing segment derived from an olefin polymer selected from the group consisting of amorphous or crystalline essentially saturated homopolymers or copolymers of C 2 -C 8 alpha monoolefins, polybutadiene, polyisoprene, and polyalkenamer and at least one acrylic ester copolymer rubber compatibilizing segment derived from a polymer selected from the group consisting of epichlorohydrin polymer, nitrile rubber, urethane polymer, vinyl chloride polymer, polyamide, polyamine, acrylic polymer, polyester, and cross-linkable acrylic ester copolymer rubber.
Claim 23
Dependent Claim
31 words
The composition of claim 20 in which the graft copolymer is derived from an olefin polymer containing one or more graft forming functional groups, and from an acrylic ester copolymer rubber.
Claim 24
Dependent Claim
36 words
The composition of claim 21 comprising about 10-90 parts by weight of olefin polymer and, correspondingly, about 90-10 parts by weight of acrylic ester copolymer rubber and about 0.5 to 25 weight percent of graft copolymer.
Claim 25
Dependent Claim
34 words
The composition of claim 22 in which the graft copolymer is formed by reaction between a graft forming functional group of an olefin polymer and a reactive group of a cross-linkable acrylic ester copolymer.
Claim 26
Dependent Claim
37 words
The composition of claim 20 in which the copolymer rubber is a cross-linkable copolymer of ethylene, alkyl acrylate and a polymerizable monomer containing reactive groups selected from carboxy, hydroxy, epoxy, halo, amino, isocyanate, sulfonyl, or sulfonate groups.
Claim 27
Dependent Claim
81 words
The composition of claim 24 in which the graft copolymer is formed by reaction of a graft forming functional group of an olefin polymer and a reactive group of a cross-linkable acrylic ester copolymer rubber with a grafting agent having two or more reactive groups with at least one group which will react with the functional group of the olefin polymer and at least one other group which will react with the reactive group of the cross-linkable acrylic ester copolymer rubber.
Claim 28
Dependent Claim
33 words
The composition of claim 25 in which the graft forming group of the olefin polymer is selected from the group consisting of carboxy, halo, amino, and a group derived from methylol phenolic material.
Claim 29
Dependent Claim
20 words
The composition of claim 26 in which the grafting agent is an organic compound containing at least two amino groups.
Claim 30
Dependent Claim
15 words
The composition of claim 27 in which the olefin polymer is crystalline polypropylene or polyethylene.
Claim 31
Dependent Claim
38 words
The composition of claim 28 in which the rubber comprises at least 50 mole percent of ethylene, about 0.5 to 10 mole percent of monomer containing reactive groups and up to about 49.5 mole percent of alkyl acrylate.
Claim 32
Dependent Claim
26 words
The composition of claim 29 in which the graft copolymer is prepared from olefin polymer containing a graft forming functional group derived from methylol phenolic material.
Claim 33
Dependent Claim
25 words
The composition of claim 29 in which the graft copolymer is prepared from olefin polymer containing a graft forming functional group derived from unsaturated acid.
Claim 34
Dependent Claim
27 words
The composition of claim 31 in which the graft copolymer is prepared from olefin polymer containing a graft forming functional group derived from maleic acid or anhydride.
Claim 35
Dependent Claim
17 words
The composition of claim 32 in which the grafting agent is a C 6 -C 20 diamine.
Claim 36
Dependent Claim
41 words
The composition of claim 29 in which the composition is thermoplastic and the blend comprises about 20-60 parts by weight of polypropylene, and about 80-40 parts by weight of cross-linked acrylic ester copolymer rubber in which the blend is dynamically vulcanized.
Claim 37
Dependent Claim
14 words
The composition of claim 22 in which the graft copolymer is prepared in situ.
Claim 38
Dependent Claim
14 words
The composition of claim 32 in which the graft copolymer is prepared in situ.
Claim 39
Dependent Claim
14 words
The composition of claim 34 in which the graft copolymer is prepared in situ.
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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) | 1988-11-25 | 1989-05-27 | 1989-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-11-25 | 1993-05-27 | 1993-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-11-25 | 1997-05-27 | 1997-11-26 | $7700.00 | Window Closed / Lapsed |