US4222931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilizers for synthetic polymers comprising 2,2,6,6-tetramethyl-4-piperidyl ether alcohol or ether, phosphonic acid ester and phenolic antioxidant
Assignee: Adeka Corp
•
Filing: 1977-12-08
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Granted: 1980-09-16
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Expires: 1997-12-08
Abstract
Abstract Stabilizers for organic polymeric materials are provided, comprising a phosphonic acid ester, a phenolic antioxidant and a 2,2,6,6-tetramethyl-4-piperidyl ether alcohol or ether having the general formula: <IMAGE> wherein R2 is lower alkyl or hydroxyalkyl having from one to six carbon atoms; R3 is a hydrogen atom, provided R2 is hydroxyalkyl; <IMAGE> +TR <IMAGE> R2 and R3 may be taken together to form <IMAGE> Y is selected from the group consisting of hydrogen and O.
Inventors
- 👤 Motonobu Minagawa
- 👤 Yutaka Nakahara
- 👤 Naohiro Kubota
- 👤 Toshihiro Shibata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:49
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/53; C08K5/5317; C08K5/5333; C08K5/16; C08K5/34; C08K5/3412; C08K5/3432; C08K5/3435
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
119 words
A stabilizer composition for organic polymeric materials comprising (a) a 2,2,6,6-tetramethyl-4-piperidyl ether alcohol or ether in an amount from about 90 to about 35 parts by weight and having the general formula: ##STR92## wherein R 2 is lower alkyl or hydroxyalkyl having from one to six carbon atoms; R 3 is a hydrogen atom, provided R 2 is hydroxyalkyl; ##STR93## R 2 and R 3 may be taken together to form ##STR94## Y is selected from the group consisting of hydrogen and O; (b) a phosphonic acid ester in an amount of from about 10 to about 35 parts by weight; and (c) a phenolic antioxidant in an amount of from about 10 to about 35 parts by weight.
Claim 2
Dependent Claim
119 words
A stabilizer composition for organic polymeric materials comprising (a) a 2,2,6,6-tetramethyl-4-piperidyl ether alcohol or ether in an amount from about 90 to about 35 parts by weight and having the general formula: ##STR92## wherein R 2 is lower alkyl or hydroxyalkyl having from one to six carbon atoms; R 3 is a hydrogen atom, provided R 2 is hydroxyalkyl; ##STR93## R 2 and R 3 may be taken together to form ##STR94## Y is selected from the group consisting of hydrogen and O; (b) a phosphonic acid ester in an amount of from about 10 to about 35 parts by weight; and (c) a phenolic antioxidant in an amount of from about 10 to about 35 parts by weight.
Claim 3
Dependent Claim
13 words
A stabilizer composition according to claim 1 in which R 2 is alkyl.
Claim 4
Dependent Claim
13 words
A stabilizer composition according to claim 1 in which R 2 is hydroxyalkyl.
Claim 5
Dependent Claim
13 words
A stabilizer composition according to claim 3 in which R 3 is hydrogen.
Claim 6
Dependent Claim
17 words
A stabilizer composition according to claim 1 in which R 2 and R 3 are taken together.
Claim 7
Dependent Claim
12 words
A stabilizer composition according to claim 1 in which Y is hydrogen.
Claim 8
Dependent Claim
12 words
A stabilizer composition according to claim 1 in which Y is O.
Claim 9
Dependent Claim
13 words
A stabilizer composition according to claim 1 in which the compound is ##STR95##
Claim 10
Dependent Claim
13 words
A stabilizer composition according to claim 1 in which the compound is ##STR96##
Claim 11
Dependent Claim
13 words
A stabilizer composition according to claim 1 in which the compound is ##STR97##
Claim 12
Dependent Claim
13 words
A stabilizer composition according to claim 1 in which the compound is ##STR98##
Claim 13
Dependent Claim
13 words
A stabilizer composition according to claim 1 in which the compound is ##STR99##
Claim 14
Dependent Claim
112 words
A stabilizer composition according to claim 1 in which the phosphonic acid ester has the formula: ##STR100## wherein R 3 , R 4 and R 5 are selected from the group consisting of alkyl and alkenyl having from about one or two to about thirty carbon atoms; cycloalkyl and cycloalkenyl having from three to about twelve carbon atoms; aryl, alkaryl and aralkyl having from six to about thirty carbon atoms, and alkoxyalkylene and alkoxypolyoxyalkylene in which the alkoxy and alkylene have from one or two to about thirty carbon atoms, and R 4 and R 5 taken together as an alkylene, cycloalkylene or arylene having from two to about thirty carbon atoms.
Claim 15
Dependent Claim
34 words
A stabilizer composition according to claim 13 in which the phenolic antioxidant has at least one phenolic hydroxyl group, at least one phenolic nucleus, and from about eight to about three hundred carbon atoms.
Claim 16
Dependent Claim
89 words
A stabilizer composition according to claim 14 in which the phenolic antioxidant is a monocyclic phenol having the structure: ##STR101## wherein R is selected from the group consisting of hydrogen; halogen; and organic radicals containing from one to about thirty carbon atoms selected from the group consisting of alkyl, aryl, alkenyl, alkaryl, aralkyl, cycloalkenyl, cycloalkyl, alkoxy, and ##STR102## where R' is aryl, alkyl or cycloalkyl; x 1 and x 2 are integers from one to four, and the sum of x 1 and x 2 does not exceed six.
Claim 17
Dependent Claim
95 words
A stabilizer composition according to claim 14 in which the phenolic antioxidant has the formula: ##STR103## wherein Y is a polyvalent linking group selected from the group consisting of oxygen; carbonyl; sulfur; sulfinyl; aromatic, aliphatic and cycloaliphatic hydrocarbon groups, and oxyhydrocarbon, thiohydrocarbon and heterocyclic groups having from one up to twenty carbon atoms; Ar is a phenolic nucleus containing at least one free phenolic hydroxyl group up to a total of five; m 1 and m 2 are numbers from one to five, and n 1 and n 2 are numbers from one to four.
Claim 18
Dependent Claim
14 words
A stabilizer composition according to claim 16 in which Ar is a benzene nucleus.
Claim 19
Dependent Claim
67 words
A polyvinyl chloride resin composition having improved resistance to deterioration when heated at 350° F., comprising a polyvinyl chloride resin formed at least in part of the recurring group ##STR104## and having a chlorine content in excess of 40%, where X is either hydrogen or chlorine; and an amount to enhance the resistance to deterioration of the resin of a stabilizer composition in accordance with claim 1.
Claim 20
Dependent Claim
20 words
A polyvinyl chloride resin composition in accordance with claim 18, in which the polyvinyl chloride resin is polyvinyl chloride homopolymer.
Claim 21
Dependent Claim
25 words
A polyvinyl chloride resin composition in accordance with claim 18, in which the polyvinyl chloride resin is a copolymer of vinyl chloride and vinyl acetate.
Claim 22
Dependent Claim
52 words
An olefin polymer composition having improved resistance to deterioration comprising an olefin polymer selected from the group consisting of polymers of alpha-olefins having from two to six carbon atoms and polystyrene, and an amount to enhance the resistance of the polymer to deterioration of a stabilizer composition in accordance with claim 1.
Claim 23
Dependent Claim
14 words
An olefin polymer composition in accordance with claim 21, wherein the polyolefin is polypropylene.
Claim 24
Dependent Claim
14 words
An olefin polymer composition in accordance with claim 21, wherein the polyolefin is polyethylene.
Claim 25
Dependent Claim
35 words
An acrylonitrile-butadiene-styrene polymer having improved resistance to deterioration when heated at 300° F. comprising an acrylonitrile-butadiene-styrene polymer and an amount to enhance its resistance to deterioration of a stabilizer composition in accordance with claim 1.
Claim 26
Dependent Claim
34 words
A polyester resin composition having improved resistance to deterioration comprising a polyester resin and an amount to enhance the resistance of the polymer to deterioration of a stabilizer composition in accordance with claim 1.
Claim 27
Dependent Claim
34 words
A polyamide resin composition having improved resistance to deterioration comprising a polyamide resin and an amount to enhance the resistance of the polymer to deterioration of a stabilizer composition in accordance with claim 1.
Claim 28
Dependent Claim
36 words
An ethylene-vinyl acetate copolymer composition having improved resistance to deterioration comprising an ethylene-vinyl acetate copolymer and an amount to enhance the resistance of the polymer to deterioration of a stabilizer composition in accordance with claim 1.
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1983-09-16 | 1984-03-17 | 1984-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-09-16 | 1988-03-17 | 1988-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-09-16 | 1992-03-17 | 1992-09-16 | $7700.00 | Window Closed / Lapsed |