US3607815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyeable polyolefin fiber
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1968-05-21
•
Granted: 1971-09-21
•
Expires: 1988-05-21
Abstract
Abstract Disclosed is an improvement in the drawing of fiber from a polyolefin blend containing up to about 10 percent by weight of a dye receptor additive wherein the drawing utilizes a drawbar heated from about 65* C. to about 140* C. The improvement comprises employing as a dye receptor additive a polymer of a vinyl pyridine base plasticized with a minor amount of plasticizer to have a glass transition temperature equal or lower than the temperature to which the drawbar is heated, whereby the vinyl pyridine polymer substantially elongates with the polyolefin during drawing. A dyeable composition consists of a polymer of a vinyl pyridine base mixed with a minor portion of a plasticizer. A dyeable fiber is prepared from a blend of a fiberforming polyolefin with up to about 10 percent, based on weight of the blend, of a polyvinylpyridine plasticized with a sufficient amount of plasticizer to reduce the glass transition temperature of the polyvinylpyridine to a level equal or lower than the temperature at which the drawbar is heated in the drawing of the fiber.
Inventors
- 👤 Tad L Patton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:25
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0016; C08L; C08L23/00; C08L23/02
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
36 words
The composition of claim 1 in which said plasticizer is selected from the group consisting of esters derived from saturated and unsaturated aliphatic and aromatic mono- and di-carboxylic acids, phosphoric acid, sulfonic acid, and polyhydric alcohols.
Claim 2
Dependent Claim
46 words
The composition of claim 1 in which said plasticizer is selected from the group consisting essentially of esters of isobutyric, caprylic, pelargonic, palmitic, stearic, abietic, oleic, benzoic, succinic, adipic, azelaic, sebacic, fumaric, maleic, tartaric, isophthalic, phthalic, mellitic, phosphoric, sulfonic acids, glycerol and glycols, or mixtures thereof.
Claim 3
Dependent Claim
20 words
The composition of claim 1 in which said plasticizer is an ester of a phthalic acid or a phosphoric acid.
Claim 4
Dependent Claim
70 words
The composition of claim 2 in which said vinylpyridine base is selected from the group consisting essentially of 2-vinylpyridine, 3-vinylpyridine, 4-vinylpyridine, 5-ethyl-2-vinylpyridine, 2-methyl-5-vinylpyridine, 2,4-dimethyl-6-vinylpyridine, 5-propyl-2-vinylpyridine, 2-vinylquinoline, 4-vinylquinoline, or a mixture thereof, and said plasticizer is selected from the group consisting of esters of isobutyric, caprylic, pelargonic, palmitic, stearic, abietic, oleic, benzoic, succinic, adipic, azelaic, sebacic, fumaric, maleic, tartaric, isophthalic, phthalic, mellitic, phosphoric, sulfonic acids, glycerol and glycols, or mixtures thereof.
Claim 5
Dependent Claim
11 words
The composition of claim 2 in which said polyolefin is polypropylene.
Claim 6
Dependent Claim
152 words
In the method of drawing fibers from a polyolefin resin containing a minor amount, up to about 10 weight percent, of a polymer of a vinylpyridine base as a dye receptor, wherein the resin is drawn across heating means heated to a temperature from about 65* C. to about 140* C. for imparting heat to the resin, the improvement which comprises employing as a dye receptor a polymer of a vinylpyridine base plasticized with an amount of a plasticizer effective to reduce the glass transition temperature of said vinylpyridine polymer to a predetermined temperature within the range from about 65* C. to about 140* C., said plasticizer being soluble in the polyolefin to aid in the dispersion of said polymer of a vinylpyridine base in said polyolefin and, further being essentially insoluble in water, essentially nonvolatile at temperatures of from about 450* F. to about 650* F. and essentially free of halogens.
Claim 7
Dependent Claim
35 words
The method of claim 7 wherein said plasticizer is selected from the group consisting of esters derived from saturated and unsaturated aliphatic and aromatic mon- and di-carboxylic acids, phosphoric acid, sulfonic acid, and polyhydric alcohols.
Claim 8
Dependent Claim
46 words
The method of claim 7 in which said plasticizer is selected from the group consisting essentially of esters of isobutyric, caprylic, pelargonic, palmitic, stearic, abietic, oleic, benzoic, succinic, adipic, azelaic, sebacic, fumaric, maleic, tartaric, isophthalic, phthalic, mellitic, phosphoric, sulfonic acids, glycerol and glycols, or mixtures thereof.
Claim 9
Dependent Claim
20 words
The method of claim 7 in which said plasticizer is an ester of a phthalic acid or a phosphoric acid.
Claim 10
Dependent Claim
71 words
The method of claim 7 in which said vinylpyridine base is selected from the group consisting essentially of 2-vinylpyridine, 33-vinylpyridine, 4-vinylpyridine, 5-ethyl-2-vinylpyridine, 2-methyl-5 -vinylpyridine, 2,4-dimethyl-6-vinylpyridine, 5-propyl-2-vinylpyridine, 2-vinylquinoline, 4-vinylquinoline, or a mixture thereof, and said plasticizer is selected from the group consisting of esters of isobutyric, caprylic, pelargonic, palmitic, stearic, abietic, oleic, benzoic, succinic, adipic, azelaic, sebacic, fumaric, maleic, tartaric, isophtalic, phthalic, mellitic, phosphoric, sulfonic acids, glycerol and glycols, or mixtures thereof.
Claim 11
Dependent Claim
11 words
The method of claim 7 in which said polyolefin is polypropylene.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |