Wash-durable, liquid repellent, and stain releasing polyester fabric substrates
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B32B-027/12
B32B-027/02
D06C-011/00
출원번호
US-0339971
(2003-01-10)
등록번호
US-7468333
(2008-12-23)
발명자
/ 주소
Kimbrell, Jr.,Wiliam C.
Fang,Xinggao
Wang,Yunzhang
Valenti,Dominick J.
McBride,Daniel T.
출원인 / 주소
Milliken & Company
대리인 / 주소
Moyer,Terry T.
인용정보
피인용 횟수 :
28인용 특허 :
44
초록▼
The present invention relates generally to substrates that exhibit useful, auto adaptable surface energy properties that depend on the environment of the substrate. Such surface energy properties provide relatively high advancing and receding contact angles for liquids when in contact with the targe
The present invention relates generally to substrates that exhibit useful, auto adaptable surface energy properties that depend on the environment of the substrate. Such surface energy properties provide relatively high advancing and receding contact angles for liquids when in contact with the target substrate surface. The substrates exhibit low surface energy quantities of at most about 20 millijoules per square meter (mJ/m2) at a temperature of about 25 degrees C. and a surface energy greater than about 20 mJ/m2 at, or with exposure to, a temperature of about 40 degrees C. More specifically, encompassed within the present invention are textile substrates having this highly desirable unique surface energy modification property and which exhibit wash durable oil and water repellency and stain release features. Novel compositions and formulations that impart such surface energy modifications to substrates are also encompassed within this invention, as well as methods for producing such treated substrates.
대표청구항▼
We claim: 1. A fabric substrate comprising polyester fibers, wherein said substrate has a first surface and a second surface, wherein at least one of said first surface and said second surface has been coated with a hydrophilic fluorine-containing stain release agent, a hydrophobic fluorine-contain
We claim: 1. A fabric substrate comprising polyester fibers, wherein said substrate has a first surface and a second surface, wherein at least one of said first surface and said second surface has been coated with a hydrophilic fluorine-containing stain release agent, a hydrophobic fluorine-containing stain repellent agent and a hydrophobic cross-linking agent selected from the group consisting of monomers with blocked isocyanates, aromatic diisocyanates, blocked diisocyanates, blocked isocyanate-containing polymers, diisocyanate-containing monomers, and diisocyanate-containing polymers; and wherein said substrate exhibits an oil repellency rating of at least 3.0 when tested by AATCC Test Method 118-2000; a water repellency rating of at least 3.0 when tested by the 3M Water Repellency Test II (May 1992 ); a spray rating of at least 50 when tested by AATCC Test Method 22-2000; and a stain release rating for corn oil and mineral oil of at least 3.5 when tested by AATCC Test Method 130-2000; wherein said properties are exhibited after said test fabric has been laundered and dried in accordance with AATCC Test Method 130-2000 after 20 washes. 2. The polyester fabric substrate of claim 1, wherein said substrate has been exposed to a mechanical face-finishing process. 3. The polyester fabric substrate of claim 2, wherein said mechanical face-finishing process is sanding. 4. A fabric substrate comprising polyester fibers, wherein said substrate has a first surface and a second surface, wherein at least one of said first surface and said second surface has been coated with a hydrophilic fluorine-containing stain release agent, a hydrophobic fluorine-containing stain repellent agent and a hydrophobic cross-linking agent selected from the group consisting of monomers with blocked isocyanates, aromatic diisocyanates, blocked diisocyanates, blocked isocyanate-containing polymers, diisocyanate-containing monomers, and diisocyanate-containing polymers; and wherein said substrate exhibits an oil repellency rating of at least 3.0 when tested by AATCC Test Method 118-2000; a water repellency rating of at least 3.0 when tested by the 3M Water Repellency Test II (May, 1992); a spray rating of at least 50 when tested by AATCC Test Method 22-2000; and a stain release rating for corn oil and mineral oil of at least 3.5 when tested by MTGC Test Method 130-2000; wherein said properties are exhibited after said test fabric has been subjected to at least 5 dry cleaning cycles. 5. The substrate of claim 1, wherein said fabric substrate is selected from the group consisting of a woven fabric, a knit fabric, and a non-woven fabric. 6. The substrate of claim 5, wherein said fabric substrate is a woven fabric. 7. The substrate of claim 2, wherein said fabric substrate is selected from the group consisting of a woven fabric, a knit fabric, and a non-woven fabric. 8. The substrate of claim 7, wherein said fabric substrate is a woven fabric. 9. The substrate of claim 3, wherein said fabric substrate is selected from the group consisting of a woven fabric, a knit fabric, and a non-woven fabric. 10. The substrate of claim 9, wherein said fabric substrate is a woven fabric. 11. A fabric substrate comprising polyester fibers, wherein said substrate has a first surface and a second surface, wherein at least one of said first surface and said second surface has been coated with a hydrophilic fluoride-containing stain release agent, a hydrophobic fluorine-containing stain repellent agent and a hydrophobic cross-linking agent selected from the group consisting of monomers with blocked isocyanates, aromatic diisocyanates, blocked diisocyanates, blocked isocyanate-containing polymers, diisocyanate-containing monomers, and diisocyanate-containing polymers; and wherein said substrate exhibits a change in surface energy in response to a change in the substrate's environment to the extent that upon exposure to a temperature of 25 degrees C. the measured surface energy is from less than about 20 millijoules per square meter, and upon exposure to a temperature of 40 degrees C., the measured surface energy is greater than about 20 millijoules per square meter. 12. The substrate of claim 11, wherein the substrate exhibits durable oil and water repellency and stain release characteristics.
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