Hydrophilic coatings, articles, coating compositions, and methods
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C08K-009/06
C03C-017/30
C09K-003/16
C03C-017/00
C09D-005/00
C09K-003/18
B82Y-030/00
C09C-001/30
C09D-001/00
C09D-007/62
C08K-003/36
출원번호
US-0688200
(2015-04-16)
등록번호
US-10208190
(2019-02-19)
우선권정보
CN-2009 1 0151003 (2009-07-03)
발명자
/ 주소
Jing, Naiyong
Yu, Zhigang
Chen, Xue-hua
Xi, Bangwei
Devasenapathi, Appuswamy
Liu, WeiDe
Tiers, George VanDyke
Riddle, Justin A.
Theivanayagam Chairman, Deivaraj
Legatt, Michelle L.
Francis, Cecil V.
출원인 / 주소
3M Innovative Properties Company
대리인 / 주소
Pishko, Adrian L.
인용정보
피인용 횟수 :
0인용 특허 :
71
초록
A coating composition which imparts antifog, antireflective, easy-cleaning, and/or antistatic properties to substrates coated therewith. The coating compositions utilize nanoparticles functionalized with amine groups and/or protected amine groups, and amine-reactive groups.
대표청구항▼
1. A kit for modifying a substrate surface, the kit comprising: at least one container comprising a first composition comprising:inorganic nanoparticles comprising colloidal silica, colloidal zirconia, colloidal alumina, colloidal ceria, colloidal tin oxide, or colloidal titanium dioxide, the inorga
1. A kit for modifying a substrate surface, the kit comprising: at least one container comprising a first composition comprising:inorganic nanoparticles comprising colloidal silica, colloidal zirconia, colloidal alumina, colloidal ceria, colloidal tin oxide, or colloidal titanium dioxide, the inorganic nanoparticles having functional groups attached to the surface through covalent bonds, wherein the functional groups comprise:amine groups, protected amine groups, or combinations thereof; optional hydrophilic groups; an optional surfactant; and water; wherein the first composition comprises 0.1 wt-% to 30 wt-% inorganic nanoparticles; andat least one container comprising a second composition comprising:nanoparticles comprising functional groups attached to the surface through covalent bonds, wherein the functional groups comprise: amine-reactive groups; optional hydrophilic groups; an optional surfactant; and water;wherein the first and second compositions when combined, applied to a substrate, and dried, provide a hydrophilic coating on the substrate that demonstrates improvement, relative to an uncoated substrate, in at least one characteristic selected from the group consisting of antifogging, antireflective, easy-cleaning, and antistatic characteristics. 2. The kit of claim 1 wherein a portion of the nanoparticles of the first composition comprise silica nanoparticles. 3. The kit of claim 1 wherein the nanoparticles of the first composition have a different average diameter than the nanoparticles of the second composition. 4. The kit of claim 1 wherein the functional groups of the second composition comprise alpha,beta-unsaturated groups. 5. The kit of claim 4 wherein the functional groups of the first composition comprise amine groups and the functional groups of the second composition comprise epoxy groups. 6. The kit of claim 1 wherein at least a portion of the nanoparticles of at least one of the first composition and the second composition comprises nanoparticles bearing covalently bonded hydrophilic groups selected from the group consisting of carboxylate groups, structural units bearing multiple carboxylate groups, sulfate half-ester groups, structural units bearing multiple sulfate half-ester groups, sulfonate groups, structural units bearing multiple sulfonate groups, phosphate mono- and/or diester groups, structural units bearing multiple phosphate mono and/or diester groups, phosphonate groups, structural units bearing multiple phosphonate groups, acids thereof, and combinations thereof. 7. The kit of claim 1 wherein the amine groups are present on a particle surface in the first composition in an amount equivalent to at least 3 mole-% of the total molar functional groups on said surface. 8. The kit of claim 1 wherein the amine-reactive groups are present on a particle surface in the second composition in an amount equivalent to at least 3 mole-% of the total molar functional groups on said surface. 9. The kit of claim 1, wherein a variability in the size of the nanoparticles of the first composition is less than 25% of the mean particle size.
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