US4532165A
Expired / Lapsed
US
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Poly-1-butene resin composition
Assignee: Mitsui Chemicals Inc
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Filing: 1983-05-09
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Granted: 1985-07-30
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Expires: 2003-05-09
Abstract
Abstract A resin composition comprising a poly-1-butene polymer and at least one hindered phenol selected from the group consisting of (a) 3,5-di-tert-butyl-4-hydroxybenzoates of the following formula <IMAGE> wherein R represents an alkyl group having 1 to 18 carbon atoms or an aryl group having 6 to 18 carbon atoms, (b) 1,3,5-trimethyl-2,4,6-tris(3,5-di-tert-butyl-4-hydroxybenzyl)benzene, (c) 1,3,5-tris(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl)isocyanurate, (d) tris(3,5-di-tert-butyl-4-hydroxybenzyl)isocyanurate, (e) n-octadecyl-3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate, (f) a nickel salt of a monoethyl ester of bis(3,5-di-tert-butyl-4-hydroxybenzylphosphonic acid), (g) 2,2'-dihydroxy-3,3'-di( alpha -methylcyclohexyl)-5,5'-di-methyl-diphenylmethane, (h) 4,4'-thiobis(3-methyl-6-tert-butyl-phenol), (i) 1,1,3-tris(2-methyl-4-hydroxy-5-tert-butyl-phenyl)butane, (j) tetrakis[methylene-3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]met hane, and (k) 4,4'-methylene-bis(2,6-di-tert-butyl-phenol), and further optionally, at least one compound selected from the group consisting of (l) 2,6-tert-butyl-p-cresol, (m) tris(2,4-di-tert-butyl-phenol)phosphite, and (n) tocopherol.
Inventors
- 👤 Takashi Hashimoto
- 👤 Chikara Igarashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:05
CPC Classifications
F; F16; F16L; F16L9/00; F16L9/12; C; C08; C08K; C08K5/00; C08K5/0008; C08K5/005; C08K5/04; C08K5/13; C08K5/134; C08K5/1345; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/1352; Y10T428/139
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
122 words
A cold or hot water supplying pipe capable of supplying cold or hot water containing sterilizing chlorine dissolved therein, said pipe being composed of a resin composition comprising a poly-1-butene polymer and at least one hindered phenol selected from the group consisting of (a) 3,5-di-tert-butyl-4-hydroxybenzoates of the following formula ##STR16## wherein R represents an alkyl group having 1 to 18 carbon atoms or an aryl group having 6 to 18 carbon atoms; (b) 1,3,5-trimethyl-2,4,6-tris(3,5-di-tert-butyl-4-hydroxybenzyl)benzene, (c) 1,3,5-tris(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl)isocyanurate, (d) tris(3,5-di-tert-butyl-4-hydroxybenzyl)isocyanurate, (e) n-octadecyl-3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate, (f) a nickel salt of a monoethyl ester of bis(3,5-di-tert-butyl-4-hydroxybenzylphosphonic acid), (g) 2,2'-dihydroxy-3,3'-di(α-methylcyclohexyl)-5,5'-di-methyl-diphenylmethane, (h) 4,4'-thiobis(3-methyl-6-tert-butyl-phenol), (i) 1,1,3-tris(2-methyl-4-hydroxy-5-tert-butyl-phenyl)butane, (j) tetrakis(methylene-3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate)methane, and (k) 4,4'-methylene-bis(2,6di-tert-butyl-phenol) Ain an amount effective to provide said polymer with resistance to chemical degradation from the effects of said sterilizing chlorine.
Claim 2
Dependent Claim
122 words
A cold or hot water supplying pipe capable of supplying cold or hot water containing sterilizing chlorine dissolved therein, said pipe being composed of a resin composition comprising a poly-1-butene polymer and at least one hindered phenol selected from the group consisting of (a) 3,5-di-tert-butyl-4-hydroxybenzoates of the following formula ##STR16## wherein R represents an alkyl group having 1 to 18 carbon atoms or an aryl group having 6 to 18 carbon atoms; (b) 1,3,5-trimethyl-2,4,6-tris(3,5-di-tert-butyl-4-hydroxybenzyl)benzene, (c) 1,3,5-tris(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl)isocyanurate, (d) tris(3,5-di-tert-butyl-4-hydroxybenzyl)isocyanurate, (e) n-octadecyl-3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate, (f) a nickel salt of a monoethyl ester of bis(3,5-di-tert-butyl-4-hydroxybenzylphosphonic acid), (g) 2,2'-dihydroxy-3,3'-di(α-methylcyclohexyl)-5,5'-di-methyl-diphenylmethane, (h) 4,4'-thiobis(3-methyl-6-tert-butyl-phenol), (i) 1,1,3-tris(2-methyl-4-hydroxy-5-tert-butyl-phenyl)butane, (j) tetrakis(methylene-3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate)methane, and (k) 4,4'-methylene-bis(2,6di-tert-butyl-phenol) Ain an amount effective to provide said polymer with resistance to chemical degradation from the effects of said sterilizing chlorine.
Claim 3
Dependent Claim
33 words
The cold or hot water supplying pipe of claim 1 wherein the resin composition further comprises at least one compound selected from the group consisting of (l) 2,6-tert-butyl-p-cresol, (m) tris(2,4-di-tert-butyl-phenol)phosphite, and (n) tocopherol.
Claim 4
Dependent Claim
58 words
The cold or hot water supplying pipe of claim 2 wherein the resin composition comprises the poly-1-butene polymer and at least one of the 3,5-di-tert-butyl-4-hydroxybenzoates (a), at least one hindered phenol selected from the group consisting of the compounds (b) to (j) and at least one compound selected from the group consisting of the compounds (k) to (n).
Claim 5
Dependent Claim
39 words
The cold or hot water supplying pipe of claim 1 wherein the resin composition comprises the compounds (b), (e) and (j) and at least one compound selected from the group consisting of (l) 2,6-tert-butyl-p-cresol, (m) tris(2,4-di-tert-butyl-phenol)phosphite, and (n) tocopherol.
Claim 6
Independent Claim
132 words
A method for providing a poly-1-butene resin composition with chlorine water-resistance and pressure-resistance for both cold and hot water having a minor amount of sterilizing chlorine dissolved therein, said method comprising incorporating in said poly-1-butene resin composition a stabilizing effective amount of at least one hindered phenol selected from the group consisting of (a) 3,5-di-tert-butyl-4-hydroxybenzoates of the following formula ##STR17## wherein R represents an alkyl group having 1 to 18 carbon atoms or an aryl group having 6 to 18 carbon atoms; (b) 1,3,5-trimethyl-2,4,6-tris(3,5-di-tert-butyl-4-hydroxybenzyl)benzene, (c) 1,3,5-tris(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl)isocyanurate, (d) tris(3,5-di-tert-butyl-4-hydroxybenzyl)isocyanurate, (e) n-octadecyl-3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate, (f) a nickel salt of a monoethyl ester of bis(3,5-di-tert-butyl-4-hydroxybenzylphosphonic acid), (g) 2,2'-dihydroxy-3,3'-di(α-methylcyclohexyl)-5,5'-di-methyl-diphenylmethane, (h) 4,4'-thiobis(3-methyl-6-tert-butyl-phenol), (i) 1,1,3-tris(2-methyl-4-hydroxy-5-tert-butyl-phenyl)butane, (j) tetrakis(methylene-3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate)methane, and (k) 4,4'-methylene-bis(2,6-di-tert-butyl-phenol) in an amount effective to provide said polymer with resistance to chemical degradation from the effects of said sterilizing chlorine.
Claim 7
Independent Claim
132 words
A method for providing a poly-1-butene resin composition with chlorine water-resistance and pressure-resistance for both cold and hot water having a minor amount of sterilizing chlorine dissolved therein, said method comprising incorporating in said poly-1-butene resin composition a stabilizing effective amount of at least one hindered phenol selected from the group consisting of (a) 3,5-di-tert-butyl-4-hydroxybenzoates of the following formula ##STR17## wherein R represents an alkyl group having 1 to 18 carbon atoms or an aryl group having 6 to 18 carbon atoms; (b) 1,3,5-trimethyl-2,4,6-tris(3,5-di-tert-butyl-4-hydroxybenzyl)benzene, (c) 1,3,5-tris(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl)isocyanurate, (d) tris(3,5-di-tert-butyl-4-hydroxybenzyl)isocyanurate, (e) n-octadecyl-3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate, (f) a nickel salt of a monoethyl ester of bis(3,5-di-tert-butyl-4-hydroxybenzylphosphonic acid), (g) 2,2'-dihydroxy-3,3'-di(α-methylcyclohexyl)-5,5'-di-methyl-diphenylmethane, (h) 4,4'-thiobis(3-methyl-6-tert-butyl-phenol), (i) 1,1,3-tris(2-methyl-4-hydroxy-5-tert-butyl-phenyl)butane, (j) tetrakis(methylene-3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate)methane, and (k) 4,4'-methylene-bis(2,6-di-tert-butyl-phenol) in an amount effective to provide said polymer with resistance to chemical degradation from the effects of said sterilizing chlorine.
Claim 8
Independent Claim
164 words
A method for supplying cold or hot water having a minor amount of sterilizing chlorine dissolved therein in a pipe composed of a poly-1-butene resin composition which pipe maintains its surface luster and exhibits only a small amount of decrease in the degree of polymerization of the poly-1-butene polymer when kept in contact with the chlorine-containing water for long periods of time, wherein a stabilizing effective amount of at least one hindered phenol selected from the group consisting of (a) 3,5-di-tert-butyl-4-hydroxybenzoates of the following formula ##STR18## wherein R represents an alkyl group having 1 to 18 carbon atoms or an aryl group having 6 to 18 carbon atoms; (b) 1,3,5-trimethyl-2,4,6-tris(3,5-di-tert-butyl-4-hydroxybenzyl)benzene, (c) 1,3,5-tris(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl)isocyanurate, (d) tris(3,5-di-tert-butyl-4-hydroxybenzyl)isocyanurate, (e) n-octadecyl-3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate, (f) a nickel salt of a monoethyl ester of bis(3,5-di-tert-butyl-4-hydroxybenzylphosphonic acid), (g) 2,2'-dihydroxy-3,3'-di(α-methylcyclohexyl)-5,5'-di-methyl-diphenylmethane, (h) 4,4'-thiobis(3-methyl-6-tert-butyl-phenol), (i) 1,1,3-tris(2-methyl-4-hydroxy-5-tert-butyl-phenyl)butane, (j) tetrakis(methylene-3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate)methane, and (k) 4,4'-methylene-bis(2,6-di-tert-butyl-phenol in an amount effective to provide said polymer with resistance to chemical degradation from the effects of said sterilizing chlorine is incorporated in the poly-1-butene polymer.
Claim 9
Independent Claim
164 words
A method for supplying cold or hot water having a minor amount of sterilizing chlorine dissolved therein in a pipe composed of a poly-1-butene resin composition which pipe maintains its surface luster and exhibits only a small amount of decrease in the degree of polymerization of the poly-1-butene polymer when kept in contact with the chlorine-containing water for long periods of time, wherein a stabilizing effective amount of at least one hindered phenol selected from the group consisting of (a) 3,5-di-tert-butyl-4-hydroxybenzoates of the following formula ##STR18## wherein R represents an alkyl group having 1 to 18 carbon atoms or an aryl group having 6 to 18 carbon atoms; (b) 1,3,5-trimethyl-2,4,6-tris(3,5-di-tert-butyl-4-hydroxybenzyl)benzene, (c) 1,3,5-tris(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl)isocyanurate, (d) tris(3,5-di-tert-butyl-4-hydroxybenzyl)isocyanurate, (e) n-octadecyl-3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate, (f) a nickel salt of a monoethyl ester of bis(3,5-di-tert-butyl-4-hydroxybenzylphosphonic acid), (g) 2,2'-dihydroxy-3,3'-di(α-methylcyclohexyl)-5,5'-di-methyl-diphenylmethane, (h) 4,4'-thiobis(3-methyl-6-tert-butyl-phenol), (i) 1,1,3-tris(2-methyl-4-hydroxy-5-tert-butyl-phenyl)butane, (j) tetrakis(methylene-3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate)methane, and (k) 4,4'-methylene-bis(2,6-di-tert-butyl-phenol in an amount effective to provide said polymer with resistance to chemical degradation from the effects of said sterilizing chlorine is incorporated in the poly-1-butene polymer.
Claim 10
Dependent Claim
61 words
The cold or hot water supplying pipe of claim 3 wherein the poly-1-butene polymer is a homopolymer of 1-butene, a copolymer of at least 90 mole% of 1-butene and not more than 10 mole% of another alpha-olefin, or a mixture of at least 50% by weight of said homopolymer or copolymer with not more than 50% by weight of another alpha-olefin.
Claim 11
Dependent Claim
44 words
The cold or hot water supplying pipe of claim 3 which comprises 0.05 to 2.0 parts by weight of at least one additional said hindered phenol selected from the group consisting of (b) to (j) per 100 parts by weight of the poly-1-butene polymer.
Claim 12
Dependent Claim
41 words
The cold or hot water supplying pipe of claim 3 which comprises 0.01 to 1.0 part by weight of at least one compound selected from the group consisting of (k) to (n) per 100 parts by weight of the poly-1-butene polymer.
Claim 13
Dependent Claim
25 words
The cold or hot water supplying pipe of claim 3 which comprises 0.05 to 2.0 parts by weight of at least one said compound (a).
Claim 14
Dependent Claim
82 words
The cold or hot water supplying pipe of claim 3 which comprises, per 100 parts by weight of the poly-1-butene polymer 0.05 to 2.0 parts by weight of at least one said hindered phenol (a), 0.05 to 2.0 parts by weight of at least one additional said hindered phenol selected from the group consisting of the compounds (b) to (j), and 0.01 to 1.0 part by weight of at least one said compound selected from the group consisting of (k) to (n).
Claim 15
Dependent Claim
61 words
The cold or hot water supplying pipe of claim 11 wherein the poly-1-butene polymer is a homopolymer of 1-butene, a copolymer of at least 90 mole% of 1-butene and not more than 10 mole% of another alpha-olefin, or a mixture of at least 50% by weight of said homopolymer or copolymer with not more than 50% by weight of another alpha-olefin.
Claim 16
Dependent Claim
35 words
A cold or hot water supplying pipe comprising a poly-1-butene polymer, (b) 1,3,5-trimethyl-2,4,6-tris(3,5-di-tert-butyl-4-hydroxybenzyl)benzene, (e) n-octadecyl-3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate, (j) tetrakis(methylene-3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate)methane, and at least one compound selected from the group consisting of (l) 2,6-tert-butyl-p-cresol, (m) tris(2,4-di-tert-butyl-phenol)phosphite, and (n) tocopherol.
Claim 17
Dependent Claim
35 words
A cold or hot water supplying pipe comprising a poly-1-butene polymer, (b) 1,3,5-trimethyl-2,4,6-tris(3,5-di-tert-butyl-4-hydroxybenzyl)benzene, (e) n-octadecyl-3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate, (j) tetrakis(methylene-3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate)methane, and at least one compound selected from the group consisting of (l) 2,6-tert-butyl-p-cresol, (m) tris(2,4-di-tert-butyl-phenol)phosphite, and (n) tocopherol.
Claim 18
Dependent Claim
61 words
The cold or hot water supplying pipe of claim 13 wherein the poly-1-butene polymer is a homopolymer of 1-butene, a copolymer of at least 90 mole% of 1-butene and not more than 10 mole% of another alpha-olefin, or a mixture of at least 50% by weight of said homopolymer or copolymer with not more than 50% by weight of another alpha-olefin.
Claim 19
Dependent Claim
57 words
The cold or hot water supplying pipe of claim 13 which comprises, per 100 parts by weight of the poly-1-butene polymer, 0.05 to 2.0 parts by weight of each of the compound (b), the compound (e) and the compound (j) and 0.01 to 1.0 part by weight of at least one of said compounds (l) to (n).
References Cited (Backward Citations)
GB945832A
Cited
US3310575A
Cited
GB1017432A
Cited
US3285855A
Cited
US3531483A
Cited
US3949024A
Cited
GB1331353A
Cited
US3856726A
Cited
US4077902A
Cited
US4143099A
Cited
JPS54125240A
Cited
EP0032627A2
Cited
US4248594A
Cited
JPS56149450A
Cited
EP0060673A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-07-29 | 1989-01-28 | 1989-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-07-29 | 1993-01-28 | 1993-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-07-29 | 1997-01-28 | 1997-07-30 | $7700.00 | Window Closed / Lapsed |