EP0135726A2
Expired / Lapsed
EP
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Flame retardant polyolefin compositions, articles, and process of manufacture
Assignee: General Electric Co
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Filing: 1984-08-01
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Granted: —
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Expires: 2004-08-01
Abstract
Abstract Flame retardant admixtures comprising an olefinic polymer, a polyphenylene ether resin, an organic phosphate and a brominated compound or polymer, as well as electrical articles such as wires or cables in which crosslinked forms of the composition are present as insulation material, are described.
Inventors
- 👤 Visvaldis Abolins
- 👤 Joseph Elwood Betts
- 👤 Fred Frank Holub
- 👤 Gim Fun Lee, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-03 19:08
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/44; C; C08; C08K; C08K5/00; C08K5/02; C08K5/49; C08K5/51; C08K5/52; C08K5/521; C08L; C08L71/00; C08L71/08; C08L71/10; C08L71/12; C08L71/123; H01B3/42; H01B3/421; H01B3/426; H01B3/427; C08L2201/00; C08L2201/02; C08L69/00
Claims Analysis
Total Claims: 59
Claim 1
Independent Claim
41 words
A flame retardant composition, comprising an admixture of : (a) an olefinic polymer; and (b) an effective amount of a flame retardant agent comprising, in combination, (i) a polyphenylene ether resin, (ii) an organic phosphate, and (iii) a stable brominated material.
Claim 2
Dependent Claim
41 words
A flame retardant composition, comprising an admixture of : (a) an olefinic polymer; and (b) an effective amount of a flame retardant agent comprising, in combination, (i) a polyphenylene ether resin, (ii) an organic phosphate, and (iii) a stable brominated material.
Claim 3
Dependent Claim
20 words
A composition according to Claim 1, in which (a) is a polymer of a C 2 to C 10 olefin.
Claim 4
Dependent Claim
20 words
A composition according to Claim 1, in which (a) is a polymer of a C z to C 4 olefin.
Claim 5
Dependent Claim
11 words
A composition according to Claim 1, in which (a) is polyethylene.
Claim 6
Dependent Claim
11 words
A composition according to Claim 1, in which (a) is polypropylene.
Claim 7
Dependent Claim
11 words
A composition according to Claim 1, in which (a) is polybutene.
Claim 8
Dependent Claim
62 words
A composition according to Claim 1, in which (b) (i) is a homopolymer or copolymer having units of the formula wherein Q, Q', Q" and Q"', are independently selected from the groupe consisting of hydrogen, halogen, hydrocarbon radicals, halohydrocarbon radicals, hydroxycarbonoxy radicals, and halohydrocarbonoxy radicals; and n represents the total number of monomer units and is an integer at least about 20.
Claim 9
Dependent Claim
12 words
A composition according to Claim 1, in which (b)(i) is poly(2,6-dimethyl-1,4-phenylene ether)resin.
Claim 10
Dependent Claim
53 words
A composition according to Claim 1, in which (b) (ii) is a coumpound having the formula where R is the same or different and is alkyl, cycloalkyl, aryl, alkyl substituted aryl, halogen substituted aryl, aryl substituted alkyl, halogen, or a combination of any of the feregoing, provided at least one R is aryl.
Claim 11
Dependent Claim
14 words
A composition according to Claim 1, in which component (b) (ii) is triphenyl phosphate.
Claim 12
Dependent Claim
13 words
A composition according to Claim 10, in which the triphenyl phosphate is isopropylated.
Claim 13
Dependent Claim
83 words
A composition according to Claim 1, in which (b) (ii) is a di-or polyfunctional compound or polymer having the formula or , OR including mixtures thereof, wherein R 1 , R 3 , and R are independently, hydrocarbon; R 2 , R 4 , R 6 and R72 are independently, hydrocarbon or hydrocarbonoxy; X l , X 2 and X 3 are halogen; m and r are 0 or integers from 1 to 4, and n and p are from 1 to 30.
Claim 14
Dependent Claim
17 words
A composition according to Claim 12, in which (b) (ii) is the bis diphenyl phosphate of resorcinol.
Claim 15
Dependent Claim
16 words
A composition according to Claim 12, in which (b) (ii) is the diphenyl phosphate of hydroquinone.
Claim 16
Dependent Claim
18 words
A composition according to Claim 12, in which (b) (ii) is the bis diphenyl phosphate of bisphenol A.
Claim 17
Dependent Claim
52 words
A composition according to Claim 1, in which (b) (iii) is a compound having the formula where R' is alkylene, straight or branched, having from 1 to 10 carbon atoms; and q and s represent the total number of bromine atoms on each ring and are independently integers from 1 to 5.
Claim 18
Dependent Claim
12 words
A composition according to Claim 16, in which (b) (iii) is 1,2-bis(2,4,6-tribromophenoxy)ethane.
Claim 19
Dependent Claim
13 words
a composition according to Claim 16, in which (b) (iii) is 1,2 bis(2,3,4,5,6-pentabromophenoxy)ethane.
Claim 20
Dependent Claim
14 words
A composition according to Claim 1, in which (b) (iii) is a brominated polymer.
Claim 21
Dependent Claim
16 words
A composition according to Claim 19, in which (b) (iii) is a tetrabromobisphenol A oligomeric polycarbonate.
Claim 22
Dependent Claim
23 words
A composition according to Claim 1, which also includes an amount of a synergistic agent which enhances the flameretardancy effect of (b) (iii).
Claim 23
Dependent Claim
15 words
A composition according to Claim 21, in which the synergistic agent is an antimony compound.
Claim 24
Dependent Claim
14 words
A composition according to Claim 22, in which the antimony compound is antimony oxide.
Claim 25
Dependent Claim
13 words
A composition according to Claim 1, which includes a polymer having elastomeric properties.
Claim 26
Dependent Claim
15 words
A composition according to Claim 24, in which the polymer is a styrene co-or terpolymer.
Claim 27
Dependent Claim
14 words
A compostion according to Claim 25, in which the polymer is a styrene-butadiene-styrene terpolymer.
Claim 28
Dependent Claim
14 words
A composition according to Claim 25, in which the polymer is a styrene-isoprene-styrene terpolymer.
Claim 29
Dependent Claim
14 words
A composition according to Claim 25, in which the polymer is a styrene-ethylene/butylene-styrene terpolymer.
Claim 30
Dependent Claim
25 words
A composition according to Claim 1, which contains at least 30 parts by weight of (a) per 100 parts of (a) and (b) (i) combined.
Claim 31
Dependent Claim
22 words
A composition according to Claim 1, in which component (a) is crosslinkable, said composition bein curable upon exposure to high energy radiation.
Claim 32
Dependent Claim
23 words
A composition according to Claim 30, which includes an effective amount of a crosslinking agent for (a), said composition being curable upon heating.
Claim 33
Dependent Claim
15 words
A composition according to Claim 31, in which the crosslinking agent is an organic peroxide.
Claim 34
Dependent Claim
66 words
An electrically conductive article, comprising a metallic conductor, at least a portion of the surface of which is covered with an electrically insulating layer of a flame retardant composition comprising an admixture of : (a) an olefinic polymer, and (b) an effective amount of a flame retardant agent comprising, in combination, (i) a polyphenylene ether resin, (ii) an organic phosphate, and (iii) a stable brominated material.
Claim 35
Dependent Claim
66 words
An electrically conductive article, comprising a metallic conductor, at least a portion of the surface of which is covered with an electrically insulating layer of a flame retardant composition comprising an admixture of : (a) an olefinic polymer, and (b) an effective amount of a flame retardant agent comprising, in combination, (i) a polyphenylene ether resin, (ii) an organic phosphate, and (iii) a stable brominated material.
Claim 36
Dependent Claim
14 words
An article according to Claim 33, in which (a) is polyethylene, polypropylene or polybutene.
Claim 37
Dependent Claim
12 words
An article according to Claim 33, in which (b) (i) is poly(2,6-dimethyl-l,4-phenylene)ether.
Claim 38
Dependent Claim
13 words
An article according to Claim 33, in which (b) (ii) is triphenyl phosphate.
Claim 39
Dependent Claim
17 words
An article according to Claim 33,, in which (b) (ii) is the bis diphenyl phosphate of resorcinol.
Claim 40
Dependent Claim
17 words
An article according to Claim 33, in which (b) (ii) is the bis diphenyl phosphate of hydroquinone.
Claim 41
Dependent Claim
18 words
An article according to Claim 33, in which (b) (ii) is the bis diphenyl phosphate of bisphenol A.
Claim 42
Dependent Claim
12 words
An article according to Claim 33, in which (b) (iii) is 1,2-bis(2,4,6-tribromophenoxy)ethane.
Claim 43
Dependent Claim
12 words
An article according to Claim 33, in which (b) (ii) is 1,2-bis(2,3,4,5,6-pentabromophenoxy)ethane.
Claim 44
Dependent Claim
16 words
An article according to Claim 33, in which (b) (iii) is a tetrabromobisphenol A oligomeric polycarbonate.
Claim 45
Dependent Claim
13 words
An article according to Claim 33, which includes a synergist for (b) (iii).
Claim 46
Dependent Claim
13 words
An article according to Claim 43, in which the synergist is antimony oxide.
Claim 47
Dependent Claim
17 words
An article according to Claim 33, which comprises a protective polymeric outer coating for the insulating layer.
Claim 48
Dependent Claim
21 words
An article according to Claim 33, in which the flame retardant composition has been cured by exposure to high energy radiation.
Claim 49
Dependent Claim
15 words
An article according to Claim 46, in which the composition also includes a crosslinking agent.
Claim 50
Dependent Claim
24 words
An article according to Claim 33, in which the flame retardant composition includes a crosslinking agent and has been cured by exposure to heat.
Claim 51
Dependent Claim
51 words
A method for preparing an electrically conducting article comprising an electrical conductor and a layer of a flame retardant insulating material on at least a portion of the conductor surface, comprising providing a composition according to Claim 1, forming a melt thereof, applying it to the conductor surface anf effecting cure.
Claim 52
Dependent Claim
18 words
A method according to Claim 49, in which the flame retardant insulating composition comprises polyethylene, polypropylene or polybutene.
Claim 53
Dependent Claim
16 words
A methode according to Claim 50, in which the flame retardant insulating composition comprises poly-(2,6-dimethyl-1,4-phenylene ether).
Claim 54
Dependent Claim
27 words
A methode according to Claim 50, in which the flame retardant of the insulating composition comprises, in combination, poly(2,6-dimethyl-1,4-phenylene ether), isopropylated triphenyl phosphate and bis (2,4,6-tribromo- phenoxy)ethane.
Claim 55
Dependent Claim
30 words
A methode according to Claim 50, in which the flame retardant of the insulating composition comprised, in combination, poly(2,6-dimethyl-l,4-phenylene ether), bis diphenyl phosphate of resorcinol and tetrabromobisphenol A oligomeric polycarbonate.
Claim 56
Dependent Claim
28 words
A methode according to Claim 50, in which the flame retardant of the insulating composition comprises, in combination, poly(2,6-dimethyl-1,4-phenylene ether), isopropylated triphenyl phosphate and tetrabromobisphenol A oligomeric polycarbonate.
Claim 57
Dependent Claim
17 words
A methode according to Claim 49, in which curing is effected by exposure to high energy radiation.
Claim 58
Dependent Claim
16 words
A methode according to Claim 55, in which the flame retardant composition includes a crosslinking agent.
Claim 59
Dependent Claim
25 words
A methode according to Claim 49, in which curing is effected by exposure of the composition to heat in the presence of a crosslinking agent.
References Cited (Backward Citations)
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