Patent US4722959A successfully refreshed from Google Patents.
US4722959A
Expired / Lapsed
US
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Flame-retardant olefin polymer composition
Assignee: Eneos Corp
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Filing: 1986-06-24
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Granted: 1988-02-02
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Expires: 2006-06-24
Abstract
Abstract The present invention provides a flame-retardant olefin polymer composition comprising at least components (a), (b) and (c) in which in 100 parts by weight of a resin component which is conmposed of (a) 99 to 60% by weight of an ethylene- alpha -olefin copolymer having a density of 0.86 to 0.91 g/cm3, a boiling n-hexane insoluble matter of 10% by weight or more and a maximum peak temperature of 100 DEG C. or more in terms of differential scanning calorie meter and (b) 1 to 40% by weight of an olefin polymer modified with an unsaturated carboxylic acid or its derivative; (c) 20 to 200 parts by weight of an inorganic flame retarder is contained; and an electrical material employing the aforesaid composition.
Inventors
- 👤 Takashi Inoue
- 👤 Masazi Sunada
- 👤 Satoru Kaneko
- 👤 Motohide Okamoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:37
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/08; C08L23/0807; C08L23/0815; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08L2201/00; C08L2201/02; C08L51/00; C08L51/06
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
110 words
A flame-retardant olefin polymer composition comprising at least components (a), (b) and (c) in which in 100 parts by weight of a resin component which is composed of (a) 99 to 60% by weight of an ethylene-α-olefin copolymer having a density of 0.86 to 0.91 g/cm 3 , a boiling n-hexane insoluble matter of 10% by weight or more and a maximum peak temperature of 100° C. or more in terms of differential scanning calorie meter and (b) 1 to 40% by weight of an olefin polymer modified with an unsaturated carboxylic acid or its derivative; (c) 20 to 200 parts by weight of an inorganic flame retarder is contained.
Claim 2
Dependent Claim
110 words
A flame-retardant olefin polymer composition comprising at least components (a), (b) and (c) in which in 100 parts by weight of a resin component which is composed of (a) 99 to 60% by weight of an ethylene-α-olefin copolymer having a density of 0.86 to 0.91 g/cm 3 , a boiling n-hexane insoluble matter of 10% by weight or more and a maximum peak temperature of 100° C. or more in terms of differential scanning calorie meter and (b) 1 to 40% by weight of an olefin polymer modified with an unsaturated carboxylic acid or its derivative; (c) 20 to 200 parts by weight of an inorganic flame retarder is contained.
Claim 3
Dependent Claim
67 words
A flame-retardant olefin polymer composition according to claim 1 wherein (d) an organic flame retarder comprising a halogen series compound and a flame-retardant auxiliary of antimony trioxide or antimony pentoxide are used together with said composition, a weight ratio of said organic flame retarder: said flame-retardant auxiliary being within the range of 5:1 to 1:3, the total amount of both being 100 parts by weight or less.
Claim 4
Dependent Claim
32 words
A flame-retardant olefin polymer composition according to claim 1 wherein said olefin polymer which is the component (b) is an ethylene-α-olefin copolymer having a density of 0.91 to 0.97 g/cm 3 .
Claim 5
Dependent Claim
43 words
A flame-retardant olefin polymer composition according to claim 1 wherein an amount of said unsaturated carboxylic acid or its derivative is within the range of 0.05 to 10% by weight based on the weight of said olefin polymer which is the component (b).
Claim 6
Dependent Claim
30 words
A flame-retardant olefin polymer composition according to claim 1 wherein said unsaturated carboxylic acid or its derivative for modifying said olefin polymer which is the component (b) is maleic anhydride.
Claim 7
Dependent Claim
27 words
A flame-retardant olefin polymer composition according to claim 1 wherein said inorganic flame retarder which is the component (c) is a hydrate of an inorganic metallic compound.
Claim 8
Dependent Claim
26 words
A flame-retardant olefin polymer composition according to claim 5 wherein said hydrate of the inorganic metallic compound is aluminum hydroxide, magnesium hydroxide or a mixture thereof.
Claim 9
Dependent Claim
121 words
An insulated electrical conductive material having as the insulating protective cover a flame-retardant olefin polymer composition comprising at least components (a), (b) and (c) in which in 100 parts by weight of a resin component which is composed of (a) 99 to 60% by weight of an ethylene-α-olefin copolymer having a density of 0.86 to 0.91 g/cm 3 , a boiling n-hexane insoluble matter of 10% by weight or more and a maximum peak temperature of 100° C. or more in terms of differential scanning calorie meter and (b) 1 to 40% by weight of an olefin polymer modified with an unsaturated carboxylic acid or its derivative; (c) 20 to 200 parts by weight of an inorganic flame retarder is contained.
Claim 10
Dependent Claim
121 words
An insulated electrical conductive material having as the insulating protective cover a flame-retardant olefin polymer composition comprising at least components (a), (b) and (c) in which in 100 parts by weight of a resin component which is composed of (a) 99 to 60% by weight of an ethylene-α-olefin copolymer having a density of 0.86 to 0.91 g/cm 3 , a boiling n-hexane insoluble matter of 10% by weight or more and a maximum peak temperature of 100° C. or more in terms of differential scanning calorie meter and (b) 1 to 40% by weight of an olefin polymer modified with an unsaturated carboxylic acid or its derivative; (c) 20 to 200 parts by weight of an inorganic flame retarder is contained.
Claim 11
Dependent Claim
67 words
An insulated electrical conductive material according to claim 8 wherein (d) an organic flame retarder comprising a halogen series compound and a flame-retardant auxiliary of antimony trioxide or antimony pentoxide are used together with said composition, a weight ratio of said organic flame retarder: said flame-retardant auxiliary being within the range of 5:1 to 1:3, the total amount of both being 100 parts by weight or less.
Claim 12
Dependent Claim
27 words
An insulated electrical conductive material according to claim 8 wherein said ethylene-α-olefin which is the component (a) has a melt index of 0.3 to 5 g/10 min.
Claim 13
Dependent Claim
42 words
An insulated electrical conductive material according to claim 8 wherein said olefin polymer which is the component (b) is an ethylene-α-olefin copolymer having a melt index of 0.1 to 5 g/10 min and a density of 0.91 to 0.97 g/cm 3 .
Claim 14
Dependent Claim
43 words
An insulated electrical conductive material according to claim 8 wherein an amount of said unsaturated carboxylic acid or its derivative based on the weight of said olefin polymer which is the component (b) is within the range of 0.05 to 10% by weight.
Claim 15
Dependent Claim
24 words
An insulated electrical conductive material according to claim 8 wherein said unsaturated carboxylic acid or its derivative for said component (b) is maleic anhydride.
Claim 16
Dependent Claim
26 words
An insulated electrical conductive material according to claim 8 wherein said flame redarder which is the component (c) is a hydrate of an inoganic metallic compound.
Claim 17
Dependent Claim
23 words
An insulated electrical conductive material according to claim 14 wherein said hydrate of the inorganic metallic compound is aluminum hydroxide or magnesium hydroxide.
Claim 18
Dependent Claim
25 words
An insulated electrical conductive material according to claim 8 wherein said electrical material is an insulator or a sheath for electric wires or electric cables.
Claim 19
Dependent Claim
40 words
An insulated electrical conductive material according to claim 8 wherein said electrical material is an electrical insulating protective or guarding article for an insulating plastic sheet, an insulating garment, a cable protecting cover, a packing material or a protective pipe.
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) | 1991-02-01 | 1991-08-03 | 1992-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-02-01 | 1995-08-03 | 1996-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-02-01 | 1999-08-03 | 2000-02-02 | $7700.00 | Window Closed / Lapsed |