US4659796A
Expired / Lapsed
US
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Amine-modified wax
Assignee: Mitsubishi Chemical Corp
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Filing: 1986-07-14
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Granted: 1987-04-21
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Expires: 2006-07-14
Abstract
Abstract An amine-modified homogeneous wax having an excellent homogeneity is disclosed, comprising 60 to 100% by weight of an unoxidized wax, at least partially grafted with a tertiary amine unit-containing vinyl monomer, and 40 to 0% by weight of a polymer of the tertiary amine unit-containing vinyl monomer, the total amount of the tertiary amine unit-containing vinyl monomer in the composition being 0.3 to 40% by weight.
Inventors
- 👤 Shinji Horie
- 👤 Tetsuji Kakizaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:54
CPC Classifications
C; C08; C08F; C08F289/00; C08L; C08L51/00; C08L57/00; C08L57/06; C08L57/12
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
182 words
An amine-modified homogeneous wax comprising 60-100% by weight of an unoxidized olefininc wax having a number average molecular weight of from 800 to 6,000 and a weight average molecular weight to number average molecular weight ratio of at least 1.05:1, being at least partially grafted with a tertiary amine unit-containing vinyl monomer selected from the group consisting of vinylpyridine, vinylpiperidine or a compound having the formula: ##STR2## wherein R 1 is a hydrogen atom or a lower alkyl group, R 2 is a lower alkylene group, R 3 and R 4 each is a lower alkyl group or an aryl group, and X is a linking group to the unsaturated carbon atom; in the presence of a radical initiator which does not generate a carboxyl radical, and which is used in an amount of from 0.1 to 1.2 moles per mole of the vinyl monomer; and 0 to 40% by weight of a polymer of the tertiary amine unit-containing vinyl monomer, wherein the total amount of the tertiary amine unit-containing vinyl monomer in the composition is about 0.3 to 40% by weight.
Claim 2
Dependent Claim
182 words
An amine-modified homogeneous wax comprising 60-100% by weight of an unoxidized olefininc wax having a number average molecular weight of from 800 to 6,000 and a weight average molecular weight to number average molecular weight ratio of at least 1.05:1, being at least partially grafted with a tertiary amine unit-containing vinyl monomer selected from the group consisting of vinylpyridine, vinylpiperidine or a compound having the formula: ##STR2## wherein R 1 is a hydrogen atom or a lower alkyl group, R 2 is a lower alkylene group, R 3 and R 4 each is a lower alkyl group or an aryl group, and X is a linking group to the unsaturated carbon atom; in the presence of a radical initiator which does not generate a carboxyl radical, and which is used in an amount of from 0.1 to 1.2 moles per mole of the vinyl monomer; and 0 to 40% by weight of a polymer of the tertiary amine unit-containing vinyl monomer, wherein the total amount of the tertiary amine unit-containing vinyl monomer in the composition is about 0.3 to 40% by weight.
Claim 3
Dependent Claim
61 words
An amine-modified homogeneous wax according to claim 1, comprising 70 to 100% by weight of the wax, at least partially grafted with tertiary amine unit-containing vinyl monomer, and 30 to 0% by weight of the polymer of tertiary amine unit-containing vinyl monomer, the total amount of the tertiary amine unit-containing vinyl monomer in the composition being 0.3 to 30% by weight.
Claim 4
Dependent Claim
17 words
An amine-modified homogeneous wax according to claim 1, wherein said unoxidized olefinic wax is a polyethylene wax.
Claim 5
Dependent Claim
23 words
An amine-modified homogeneous wax according to claim 3, wherein said polyethylene wax has a number average molecular weight of from 900 to 5,000.
Claim 6
Dependent Claim
22 words
An amine-modified homogeneous wax according to claim 1, wherein said weight-average molecular weight to number-average molecular weight ratio is at least 1.15:1.
Claim 7
Dependent Claim
60 words
An amine-modified homogeneous wax according to claim 1, wherein said radical initiator has a decomposition temperature of from 60° C. to 100° C., whereby the decomposition percentage of radical initiator reaches 50% when 0.1 mole of the radical initiator is added to one liter of benzene and the mixture is allowed to stand at a given temperature for 10 hours.
Claim 8
Dependent Claim
31 words
An amine-modified homogeneous wax according to claim 6, wherein said radical initiator is an organic peroxide or an azo compound having a decomposition temperature of from 60° C. to 100° C.
Claim 9
Dependent Claim
16 words
An amine-modified homogeneous wax according to claim 6, wherein said radical initiator is an azo compound.
Claim 10
Dependent Claim
30 words
An amine-modified homogeneous wax according to claim 1, wherein said radical initiator is used in an amount of from 0.15 mole to 0.9 moles per mole of the vinyl monomer.
Claim 11
Dependent Claim
20 words
An amine-modified homogeneous wax according to claim 1, wherein said linking group is a direct bond or an amide group.
Claim 12
Dependent Claim
177 words
An amine-modified homogeneous wax comprising 60 to 100% by weight of an unoxidized olefinic wax having a number average molecular weight of from 800-6,000 and a weight average molecular weight to number average molecular weight ratio of at least 1.05:1, and wherein the total amount of the tertiary amine unit-containing vinyl monomer in the composition is about 0.3 to 40% by weight, and which is prepared by a process consisting essentially of radically grafting to said polyethylene wax a tertiary amine unit-containing vinyl monomer selected from the group consisting of vinylpyridine, vinylpiperidine or a compound having the formula: ##STR3## wherein R 1 is a hydrogen atom or a lower alkyl group, R 2 is a lower alkylene group, R 3 and R 4 each is a lower alkyl group or an aryl group, and X is a linking group to the unsaturated carbon atom; in the presence of a radical initiator which does not generate a carboxyl radical, and which is used in an amount of from 0.1 to 1.2 moles per mole of the vinyl monomer.
Claim 13
Dependent Claim
177 words
An amine-modified homogeneous wax comprising 60 to 100% by weight of an unoxidized olefinic wax having a number average molecular weight of from 800-6,000 and a weight average molecular weight to number average molecular weight ratio of at least 1.05:1, and wherein the total amount of the tertiary amine unit-containing vinyl monomer in the composition is about 0.3 to 40% by weight, and which is prepared by a process consisting essentially of radically grafting to said polyethylene wax a tertiary amine unit-containing vinyl monomer selected from the group consisting of vinylpyridine, vinylpiperidine or a compound having the formula: ##STR3## wherein R 1 is a hydrogen atom or a lower alkyl group, R 2 is a lower alkylene group, R 3 and R 4 each is a lower alkyl group or an aryl group, and X is a linking group to the unsaturated carbon atom; in the presence of a radical initiator which does not generate a carboxyl radical, and which is used in an amount of from 0.1 to 1.2 moles per mole of the vinyl monomer.
Claim 14
Dependent Claim
54 words
An amine-modified homogeneous wax according to claim 11, wherein during said radical grafting, said vinyl monomer is fed at a rate of 2×10 -3 to 5×10 2 moles/hr per kg of said wax and the radical initiator is fed at a rate of 2×10 -4 to 5×10 2 moles/hr per kg of said wax.
Claim 15
Dependent Claim
19 words
An amine-modified homogeneous wax according to claim 11, wherein said radical grafting reaction is conducted in a non-aqueous system.
Claim 16
Dependent Claim
26 words
An amine-modified homogeneous wax according to claim 11, which further contains up to 40% by weight of a polymer of the tertiary amine unit-containing vinyl monomer.
Claim 17
Dependent Claim
22 words
An amine-modified homogeneous wax according to claim 11, wherein said radical initiator has a decomposition temperature in the range of 60°-120° C.
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) | 1990-04-20 | 1990-10-20 | 1991-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-04-20 | 1994-10-20 | 1995-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-04-20 | 1998-10-20 | 1999-04-21 | $7700.00 | Window Closed / Lapsed |