US5132028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water- and oil-repellent treatment agent
Assignee: 3M Co
•
Filing: 1990-12-10
•
Granted: 1992-07-21
•
Expires: 2010-12-10
Abstract
Abstract Compositions for imparting water- and oil-repellency to fabrics are provided. They contain a fluorochemical water- and oil-repellant agent, a carbodiimide compound, and at least one of the following: plasticizer, metal alcoholate or ester, zirconium salt, alkylketen dimer, aziridine, and alkenyl succinic anhydride. The compositions may also contain a silicone water-repellent.
Inventors
- 👤 Makoto Nagase
- 👤 Kathy Allewaert
- 👤 Franceska Fieuws
- 👤 Dirk Coppens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:03
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/402; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423; D06M15/437; D06M13/10; D06M13/12; D06M13/13; D06M13/144; D06M13/184; D06M13/188; D06M13/418; D06M13/48; D06M15/21; D06M15/263; D06M15/277; D06M15/507; D06M15/564; D06M15/576; D06M15/59; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/3154; Y10T428/31544
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
49 words
A water- and oil-repellent treating agent for fibrous substrates comprising a fluorochemical type water- and oil-repellent agent, a carbodiimide compound, and at least one component selected from the group consisting of plasticizer, an aluminum zirconium, or titanium metal ester or alcoholate, aziridine, zirconium salt, alkylketen dimer, alkenyl succinic anhydride.
Claim 2
Dependent Claim
49 words
A water- and oil-repellent treating agent for fibrous substrates comprising a fluorochemical type water- and oil-repellent agent, a carbodiimide compound, and at least one component selected from the group consisting of plasticizer, an aluminum zirconium, or titanium metal ester or alcoholate, aziridine, zirconium salt, alkylketen dimer, alkenyl succinic anhydride.
Claim 3
Dependent Claim
15 words
The treating agent of claim 1 wherein said carbodiimide is a multi-functional aliphatic hydrocarbon carbodiimide.
Claim 4
Dependent Claim
21 words
The treating agent of claim 1 wherein said plasticizer is selected from the group consisting of di-(2-ethylhexyl)azelate, dioctyladipate, dioctylazelate, and di-(2-ethylhexyl)maleate.
Claim 5
Dependent Claim
35 words
The treating agent of claim 1 wherein said metal ester or alcoholate is selected from the group consisting of aluminum isopropylate, mono-sec butoxyaluminium, di-isopropylate, aluminium sec-butylate, aluminium ethylate, aluminium sec-butylate, zirconium butylate, and zirconium propylate.
Claim 6
Dependent Claim
33 words
The treating agent of claim 1 wherein said zirconium salt is selected from the group consisting of zirconylacetate, n-zirconyl propionate, n-zirconyl butylate, n-zirconyl valerate, n-zirconylhexanate, n-zirconyl peptanate, zirconyl octylate, zirconyl stearate, and others.
Claim 7
Dependent Claim
19 words
The treating agent of claim 1 wherein said alkenyl succinic anhydride is n-octenyl succinic anhydride or octadecenyl succinic anhydride.
Claim 8
Dependent Claim
56 words
The treating agent of claim 1 wherein said aziridine is selected from the group consisting of beta-aziridinyl methylmethacrylate, n-cyanoethylethyleneimine, octadecyl ethyleneurea, trimethylol propanetris [3-(1-aziridinyl) propionateg], trimethylolpropanetris [3-(1-aziridinyl)butylateg], trimethylolpropanetris [3-(1-2-methyl) aziridinyl propionate], trimethylolpropanetris [3-(1-aziridinyl)-2-methylpropionate], pentaerythritoltris [3-(1-aziridinyl) propionate], pentaerythritoltris [3-(1-(2-methyl) aziridinyl) propionateg], diphenylmethane-4,4'-bis-N N-ethyleneurea, 1,6-hexa-methylene-bis-N N -ethyleneurea, 2,4,6-(triethyleneimino)-syn-triazine, bis [1-(2-ethyl)aziridinyl]bezen-1 3-dicarboxylate, 1,6-hexamethylene diethyleneurea, diphenylmethane-bis-4,4'-N N -diethyleneurea, 1,1,1-tri(beta-aziridinylpropionyloxymethyl) propane.
Claim 9
Dependent Claim
14 words
The treating agent of claim 1 wherein said alkylketen dimer is n-octadecyl alkylketen dimer.
Claim 10
Dependent Claim
23 words
The treating agent of claim 1 wherein said carbodiimide is present at 1% to 25% by weight based on weight of said fluorochemical.
Claim 11
Dependent Claim
12 words
The treating agent of claim 1 further comprising a silicone type compound.
Claim 12
Dependent Claim
61 words
Method of treating fibrous substrates comprising: A) contacting said fibrous substrate with a solution comprising a fluorochemical type water- and oil-repellent agent, carbodiimide compound and at least one component selected from the group consisting of plasticizer, or aluminum, zirconium, or titanium metal ester or alcoholate, aziridine, zirconium salt, alkylketen dimer, alkenyl succinic anhydride; B) drying the substrate resulting from Step A.
Claim 13
Dependent Claim
61 words
Method of treating fibrous substrates comprising: A) contacting said fibrous substrate with a solution comprising a fluorochemical type water- and oil-repellent agent, carbodiimide compound and at least one component selected from the group consisting of plasticizer, or aluminum, zirconium, or titanium metal ester or alcoholate, aziridine, zirconium salt, alkylketen dimer, alkenyl succinic anhydride; B) drying the substrate resulting from Step A.
Claim 14
Dependent Claim
13 words
The method of claim 11 wherein said drying is accomplished below 90° C.
Claim 15
Dependent Claim
13 words
The method of claim 11 wherein said drying is accomplished below 30° C.
Claim 16
Dependent Claim
14 words
The method of claim 11 wherein said carbodiimide is a multi-functional aliphatic hydrocarbon carbodiimide.
Claim 17
Dependent Claim
12 words
The method of claim 11 wherein said plasticizer is di-(2-ethylhexyl)azelate or di-(2-ethylhexyl)maleate.
Claim 18
Dependent Claim
34 words
The method of claim 11 wherein said metal ester or alcoholate is selected from the group consisting of aluminum isopropylate, mono-sec butoxyaluminium, di-isopropylate, aluminium sec-butylate, aluminium ethylate, aluminium sec-butylate, zirconium butylate, and zirconium propylate.
Claim 19
Dependent Claim
30 words
The method of claim 11 wherein said zirconium salt is selected from the group consisting of zirconylacetate, n-zirconyl propionate, n-zirconyl butylate, n-zirconyl valerate, n-zirconylhexanate, n-zirconyl peptanate, zirconyl octylate, zirconyl stearate.
Claim 20
Dependent Claim
18 words
The method of claim 11 wherein said alkenyl succinic anhydride is n-octenyl succinic anhydride or octadecenyl succinic anhydride.
Claim 21
Dependent Claim
55 words
The method of claim 11 wherein said aziridine is selected from the group consisting of beta-aziridinyl methylmethacrylate, n-cyanoethylethyleneimine, octadecyl ethyleneurea, trimethylol propanetris [3-(1-aziridinyl) propionate], trimethylolpropanetris [3-(1-aziridinyl)butylateg], trimethylolpropanetris [3-(1-2-methyl) aziridinyl propionateg], trimethylolpropanetris [3-(1-aziridinyl)-2-methylpropionate], pentaerythritoltris [3-(1-aziridinyl) propionate], pentaerythritoltris [3-(1-(2-methyl) aziridinyl) propionate], diphenylmethane-4,4'-bis-N N-ethyleneurea, 1,6-hexa-methylene-bis-N N -ethyleneurea, 2,4,6-(triethyleneimino)-syn-triazine, bis [1-(2-ethyl)aziridinyl]bezen-1 3-dicarboxylate, 1,6-hexamethylene diethyleneurea, diphenylmethane-bis-4,4'-N N -diethyleneurea, 1,1,1-tri(beta-aziridinylpropionyloxymethylg) propane.
Claim 22
Dependent Claim
13 words
The method of claim 11 wherein said alkylketen dimer is n-octadecyl alkylketen dimer.
Claim 23
Dependent Claim
22 words
The method of claim 11 wherein said carbodiimide is present at 1% to 25% by weight based on weight of said fluorochemical.
Claim 24
Dependent Claim
14 words
The method of claim 11 wherein said mixture further comprises a silicone type compound.
Claim 25
Dependent Claim
10 words
Fibrous substrate treated with the treating agent of claim 1.
Claim 26
Dependent Claim
27 words
The fibrous substrate of claim 23 wherein said fibrous substrate is selected from the group consisting of silk, wool, cotton, leather, hemp, rayon, polyester, and blends thereof.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-07-21 | 1996-01-20 | 1996-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-07-21 | 2000-01-20 | 2000-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-07-21 | 2004-01-20 | 2004-07-21 | $7700.00 | Window Closed / Lapsed |