US4065598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for polymeric modification of a fiber
Assignee: Toray Industries Inc
•
Filing: 1977-03-15
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Granted: 1977-12-27
•
Expires: 1997-03-15
Abstract
Abstract A process for imparting antistatic, soil release and water-absorbing properties to a synthetic fiber structure which comprises adhering the following agent (A) or (B): to the fiber structure A. a compound selected from the group consisting of diacrylate, dimethacrylate, triacrylate and trimethacrylate compound having a polyalkylene oxide segment which has a molecular weight of from 400 to 10,000 and which includes an alkylene substituent selected from the group consisting of ethylene groups, propylene groups and a mixture of ethylene groups and propylene groups B. a mixture of A. a compound selected from the class consisting of propylene glycol methacrylate, methoxy polyethylene glycol acrylate, methoxy polyethylene glycol methacrylate, ethoxy polyethylene glycol acrylate, ethoxy polyethylene glycol methacrylate, chlorinated polyethylene glycol methacrylate, polypropylene glycol methacrylate, methoxy polypropylene glycol acrylate, polypropylene glycol acrylate, methyl sulfide polyethylene glycol methacrylate and compounds having a vinyl group as a side chain as follows: ##STR1## wherein R 1 and R 2 represent hydrogen, methyl or ethyl, and wherein n & m are integer from 5 - 500, the molecular weight of whose polyalkylene oxide segment is 400 - 10,000; with B. a compound selected from the group of a diacrylate, dimethacrylate, triacrylate or trimethacrylate compound having a polyalkylene oxide segment which has a molecular weight of from about 400 - 10,000 and which includes alkylene groups, propylene groups and mixtures thereof. The mix ratio of the compound (b) being about 3.0 - 50.0% by weight based on the solid portion of the compound (a), And heat-treating the adhered fiber structure in the presence of moisture, whereby polymerization is carried out as a film on the fiber, and the surface of the fiber is covered with a polymer film of said compound, the film having a thickness of about 0.01 - 10μ.
Inventors
- 👤 Kooji Takahashi
- 👤 Tatsuji Kojima
- 👤 Teruo Ishikawa
- 👤 Kimio Nakamura
- 👤 Shizuyoshi Ikenaga
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:28
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/263; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2967; Y10T428/2969; Y10T442/00; Y10T442/20; Y10T442/2279; Y10T442/2295; Y10T442/2418; Y10T442/2434; Y10T442/2484; Y10T442/2492
Claims Analysis
Total Claims: 35
Claim 1
Independent Claim
132 words
A process for imparting antistatic, soil release and water-absorbing properties to a synthetic fiber structure which comprises adhering to the fiber structure a compound selected from the group consisting of diacrylate, dimethacrylate, triacrylate and trimethacrylate compound having a polyalkylene oxide segment which has a molecular weight of from 400 to 10,000 and which includes an alkylene substituent selected from the group consisting of ethylene groups, propylene groups and a mixture of ethylene groups and propylene groups, and after such adhesion heat-treating the adhered compound and fiber structure in the presence of moisture, whereby polymerization of said compound is carried out on the fiber to form a uniform and smooth film having a thickness of about 0.01 -10μ and the surface of the fiber is covered by said polymer film of said compound.
Claim 2
Dependent Claim
132 words
A process for imparting antistatic, soil release and water-absorbing properties to a synthetic fiber structure which comprises adhering to the fiber structure a compound selected from the group consisting of diacrylate, dimethacrylate, triacrylate and trimethacrylate compound having a polyalkylene oxide segment which has a molecular weight of from 400 to 10,000 and which includes an alkylene substituent selected from the group consisting of ethylene groups, propylene groups and a mixture of ethylene groups and propylene groups, and after such adhesion heat-treating the adhered compound and fiber structure in the presence of moisture, whereby polymerization of said compound is carried out on the fiber to form a uniform and smooth film having a thickness of about 0.01 -10μ and the surface of the fiber is covered by said polymer film of said compound.
Claim 3
Dependent Claim
26 words
The process according to claim 1, wherein after adhesion the structure is treated at 80°-150° C in an atmosphere containing about 80 - 100% of steam.
Claim 4
Dependent Claim
26 words
The process according to claim 1, wherein said fiber structure is immersed in an aqueous solution of said compound and subjected to a heat polymerization treatment.
Claim 5
Dependent Claim
39 words
The process according to claim 1, wherein said polymerization is carried out using, as a polymerization initiator, a dispersed system of a hydrophobic polymerization initiator selected from the group consisting of ammonium persulfate, potassium persulfate, benzoyl peroxide and azobisisobutylenitrile.
Claim 6
Dependent Claim
13 words
The process according to claim 1, wherein said fiber structure is a yarn.
Claim 7
Dependent Claim
16 words
The process according to claim 1, wherein said fiber structure is a knitted or woven fabric.
Claim 8
Dependent Claim
21 words
The process according to claim 6, wherein the density of said fabric is equal to or less than 0.5 g/cm 3
Claim 9
Dependent Claim
17 words
The process according to claim 1, wherein said compound and a quanternary ammonium compound are used concurrently.
Claim 10
Dependent Claim
31 words
The process according to claim 8, wherein the amount of said quanternary ammonium compound is about 0.03 - 10% by weight calculated as solid, based on the weight of the fiber.
Claim 11
Dependent Claim
29 words
The process according to claim 1, wherein said compound and an alkyl ethylene urea represented by the following formula are used concurrently ##STR14## wherein 5 ≦ n ≦ 30.
Claim 12
Dependent Claim
31 words
The process according to claim 10, wherein the amount of said alkyl ethylene urea is about 0.03 - 10% by weight calculated as solid, based on the weight of the fiber.
Claim 13
Dependent Claim
33 words
The process according to claim 1, wherein said compound, a quanternary ammonium compound and an alkyl ethylene urea represented by the following formula are used concurrently ##STR15## wherein 5 ≦ n ≦ 30.
Claim 14
Dependent Claim
36 words
The process according to claim 12, wherein the amount of said quanternary ammonium compound and said alkyl ethylene urea is about 0.03 - 10% by weight calculated as solid, based on the weight of the fiber.
Claim 15
Dependent Claim
22 words
The process according to claim 1, wherein upon using said compound, a gas containing oxygen is positively poured into the compound solution.
Claim 16
Dependent Claim
21 words
The process according to claim 14, wherein the amount of oxygen poured is equal to or greater than 2.1 cc/liter min.
Claim 17
Dependent Claim
258 words
A process for imparting antistatic, soil release and water-absorbing properties to a synthetic fiber structure which comprises adhering to said fiber structure a mixture of a. a compound selected from the class consisting of polyethylene glycol methacrylate, methoxy polyethylene glycol acrylate, methoxy polyethylene glycol methacrylate, ethoxy polyethylene glycol acrylate, ethoxy polyethylene glycol methacrylate, chlorinated polyethylene glycol methacrylate, polypropylene glycol methacrylate, methoxy propylene glycol acrylate, polypropylene glycol acrylate, methyl sulfide polyethylene glycol methacrylate and compounds having a vinyl group as a side chain as follows: ##STR16## wherein R 1 and R 2 represent hydrogen, methyl or ethyl, and wherein n is an integer from 5 - 500, m is an integer from 5 - 500, the molecular weight of whose polyalkylene oxide segment is 400-10,000; with b. a compound selected from the group of a diacrylate, dimethacrylate, triacrylate or trimethacrylate compound having a polyalkylene oxide segment which has a molecular weight of from about 400 - 10,000 and which includes alkylene substituents selected from the group consisting of ethylene groups, propylene groups and mixtures thereof to the fiber, the mix ratio of the compound (b) being about 3.0 - 50.0% by weight based on the solid portion of the compound (a), and heat-treating the said mixture and the adhered fiber structure in the presence of moisture, whereby polymerization of said mixture is carried out on said fiber to form a uniform and smooth film, said film having a thickness of about 0.01 - 10μ and the surface of the fiber is covered by said polymer film of said mixture.
Claim 18
Dependent Claim
258 words
A process for imparting antistatic, soil release and water-absorbing properties to a synthetic fiber structure which comprises adhering to said fiber structure a mixture of a. a compound selected from the class consisting of polyethylene glycol methacrylate, methoxy polyethylene glycol acrylate, methoxy polyethylene glycol methacrylate, ethoxy polyethylene glycol acrylate, ethoxy polyethylene glycol methacrylate, chlorinated polyethylene glycol methacrylate, polypropylene glycol methacrylate, methoxy propylene glycol acrylate, polypropylene glycol acrylate, methyl sulfide polyethylene glycol methacrylate and compounds having a vinyl group as a side chain as follows: ##STR16## wherein R 1 and R 2 represent hydrogen, methyl or ethyl, and wherein n is an integer from 5 - 500, m is an integer from 5 - 500, the molecular weight of whose polyalkylene oxide segment is 400-10,000; with b. a compound selected from the group of a diacrylate, dimethacrylate, triacrylate or trimethacrylate compound having a polyalkylene oxide segment which has a molecular weight of from about 400 - 10,000 and which includes alkylene substituents selected from the group consisting of ethylene groups, propylene groups and mixtures thereof to the fiber, the mix ratio of the compound (b) being about 3.0 - 50.0% by weight based on the solid portion of the compound (a), and heat-treating the said mixture and the adhered fiber structure in the presence of moisture, whereby polymerization of said mixture is carried out on said fiber to form a uniform and smooth film, said film having a thickness of about 0.01 - 10μ and the surface of the fiber is covered by said polymer film of said mixture.
Claim 19
Dependent Claim
29 words
The process according to claim 16, wherein after adhesion the structure is treated at about 80° - 150° C in an atmosphere containing about 80 - 100% of steam.
Claim 20
Dependent Claim
26 words
The process according to claim 16, wherein said fiber structure is immersed in an aqueous solution of said mixture and subjected to a heat polymerization treatment.
Claim 21
Dependent Claim
39 words
The process according to claim 16, wherein said polymerization is carried out using, as a polymerization initiator, a dispersed system of a hydrophobic polymerization initiator selected from the group consisting of ammonium persulfate, potassium persulfate, benzoyl peroxide and azobisisobutylonitrile.
Claim 22
Dependent Claim
13 words
The process according to claim 16, wherein said fiber structure is a yarn.
Claim 23
Dependent Claim
16 words
The process according to claim 16, wherein said fiber structure is a knitted or woven fabric.
Claim 24
Dependent Claim
20 words
The process according to claim 21, wherein the density of said fabric is equal to or less than 0.5 g/cm.
Claim 25
Dependent Claim
17 words
The process according to claim 16, wherein said mixture and a quanternary ammonium compound are used concurrently.
Claim 26
Dependent Claim
31 words
The process according to claim 23, wherein the amount of said quanternary ammonium compound is about 0.03 - 10% by weight, calculated as solid, based on the weight of the fiber.
Claim 27
Dependent Claim
28 words
The process according to claim 16, wherein said mixture and an alkyl ethylene urea represented by the following formula are used concurrently ##STR17## wherein 5 ≦ 30 ≦.
Claim 28
Dependent Claim
31 words
The process according to claim 25, wherein the amount of said alkyl ethylene urea is about 0.03 - 10% by weight calculated as solid, based on the weight of the fiber.
Claim 29
Dependent Claim
33 words
The process according to claim 16, wherein said mixture, a quanternary ammonium compound and an alkyl ethylene urea represented by the following formula are used concurrently ##STR18## wherein 5 ≦ n ≦ 30.
Claim 30
Dependent Claim
36 words
The process according to claim 27, wherein the amount of said quanternary ammonium compound and said alkyl ethylene urea is about 0.03 - 10% by weight, calculated as solid, based upon the weight of the fiber.
Claim 31
Dependent Claim
22 words
The process according to claim 16, wherein upon using said mixture, a gas containing oxygen is positively poured into the mixture solution.
Claim 32
Dependent Claim
21 words
The process according to claim 29, wherein the amount of oxygen poured is equal to or greater than 2.1 cc/liter min.
Claim 33
Dependent Claim
18 words
A synthetic fiber structure having antistatic, soil release and water-absorbing properties obtained by the process of claim 1.
Claim 34
Dependent Claim
18 words
A synthetic fiber structure having antistatic, soil release and water-absorbing properties obtained by the process of claim 16.
Claim 35
Dependent Claim
13 words
The process according to claim 1, wherein said synthetic fiber is a polyester.
References Cited (Backward Citations)
DE731667C
Cited
US2516064A
Cited
US2628178A
Cited
US2694696A
Cited
US2767107A
Cited
US2815369A
Cited
US2839430A
Cited
US2839431A
Cited
US2841567A
Cited
US3065110A
Cited
US3164481A
Cited
US3213053A
Cited
US3236685A
Cited
US3277071A
Cited
US3424609A
Cited
US3519561A
Cited
US3717689A
Cited
US3702231A
Cited
US3770494A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-12-26 | 1981-06-27 | 1981-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-12-26 | 1985-06-27 | 1985-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-12-26 | 1989-06-27 | 1989-12-27 | $7700.00 | Window Closed / Lapsed |