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Patent US4166057A successfully refreshed from Google Patents.
US4166057A
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Poly-4-methylpentene-1 composition
Assignee: Dainichi Nippon Cables Ltd
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Filing: 1978-07-05
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Granted: 1979-08-28
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Expires: 1998-07-05
Abstract
Abstract A composition comprising (a) poly-4-methylpentene-1 and (b) an olefin oligomer of the formula (I): ##STR1## wherein R 1 , R 2 , R 3 and R 4 , which may be the same or different, each is a hydrogen atom or an alkyl group having up to 18 carbon atoms, and n represents the degree of polymerization and is such that the oligomer has an average molecular weight of about 200 to about 5,000, with the oligomer being present in the composition in an amount of about 0.5 to about 30 parts by weight per 100 parts by weight of poly-4-methylpentene-1.
Inventors
- 👤 Hayashi Takemori
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:05
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/01; C08K5/02; C08K5/03; C08K5/04; C08K5/13; C08K5/16; C08K5/22; C08K5/24; C08K5/25; C08L; C08L23/00; C08L23/02; C08L23/18; C08L23/20; C08L23/24
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
100 words
A composition comprising (a) poly-4-methylpentene-1 and (b) an olefin oligomer of the formula (I): ##STR7## wherein R 1 , R 2 , R 3 and R 4 , which may be the same or different, each is a hydrogen atom or an alkyl group having up to 18 carbon atoms, and n represents the degree of polymerization and is such that the oligomer has an average molecular weight of about 200 to about 5,000, said oligomer being present in said composition in an amount of about 0.5 to about 30 parts by weight per 100 parts by weight of poly-4-methylpentene-1.
Claim 2
Dependent Claim
100 words
A composition comprising (a) poly-4-methylpentene-1 and (b) an olefin oligomer of the formula (I): ##STR7## wherein R 1 , R 2 , R 3 and R 4 , which may be the same or different, each is a hydrogen atom or an alkyl group having up to 18 carbon atoms, and n represents the degree of polymerization and is such that the oligomer has an average molecular weight of about 200 to about 5,000, said oligomer being present in said composition in an amount of about 0.5 to about 30 parts by weight per 100 parts by weight of poly-4-methylpentene-1.
Claim 3
Dependent Claim
16 words
The composition of claim 1, wherein said olefin oligomer is an α-olefin oligomer or a polybutene.
Claim 4
Dependent Claim
19 words
The composition of claim 1 or 2, wherein said olefin oligomer has a bromine value of 2 or less.
Claim 5
Dependent Claim
20 words
The composition of claim 1 or 2, wherein said olefin oligomer has an average molecular weight of 300 to 1,000.
Claim 6
Dependent Claim
92 words
The composition of claim 1 or 2, further including a flame retardant having a non-flamability parameter of at least 22 as measured by the oxygen index of a composition comprising 50 parts by weight of the flame retardant and 100 parts by weight of polyethylene having a melt index of 1 to 10 and a density of 0.72 to 0.94 g/cm 2 according to ASTM D 2863-70, with the flame retardant being present in an amount of about 5 to 200 parts by weight per 100 parts by weight of said poly-4-methylpentene-1.
Claim 7
Dependent Claim
45 words
The composition of claim 5, wherein said flame retardant is a mixture of a solid flame retardant and a polymeric material having a melting point or softening point lower than about 200° C., with said solid flame retardant being well dispersed in said polymeric material.
Claim 8
Dependent Claim
12 words
The composition of claim 6, wherein said flame retardant is decabromodiphenyl oxide.
Claim 9
Dependent Claim
60 words
The composition of claim 1 or 2, further including a hindered phenolic antioxidant containing at least one hindered phenolic group in the molecule and having a melting point or decomposition temperature higher than about 220° C., said antioxidant being present in an amount of about 0.05 to about 5 parts by weight per 100 parts by weight of the poly-4-methylpentene-1.
Claim 10
Dependent Claim
27 words
The composition of claim 8, wherein said hindered phenolic antioxidant is hexamethylene-1,6-diol bis{4-[1-hydroxy-3-t-butyl-6-methylphenylbutyl)-2-methyl-5-t-butylphenyl]-4-n-octylphenol}phosphite or a combination of hexamethylene-1,6-diol bis{4-[1-(4-hydroxy-3-t-butyl-6-methylphenylbutyl)-2-methyl-5-t-butylphenol]-4-n-octylphenol}phosphite and at least one other hindered phenolic antioxidant.
Claim 11
Dependent Claim
30 words
The composition of claim 1 or 2, further including a 3(N-benzoyl)amino-1,2,4-triazole in an amount of about 0.05 to about 5 parts by weight per 100 parts by weight of poly-4-methylpentene-1.
Claim 12
Dependent Claim
10 words
The composition of claim 10, wherein said 3(N-benzoyl)amino-1,2,4-triazole is 3(N-salicyloyl)amino-1,2,4-triazole.
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) | 1982-08-27 | 1983-02-26 | 1983-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-08-27 | 1987-02-26 | 1987-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-08-27 | 1991-02-26 | 1991-08-28 | $7700.00 | Window Closed / Lapsed |