[특허]Method and apparatus for the formation of hydrophobic surfaces

Method and apparatus for the formation of hydrophobic surfaces 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B05D-003/06 B05D-003/14 B05D-003/02 B05D-005/08 B05D-001/00
출원번호	US-0509295 (2003-03-24)
등록번호	US-9056332 (2015-06-16)
우선권정보	GB-0206930.0 (2002-03-23)
국제출원번호	PCT/GB03/01257 (2003-03-24)
§371/§102 date	20050830 (20050830)
국제공개번호	WO03/080258 (2003-10-02)
발명자 / 주소	Badyal, Jas Pal Singh Woodward, Iain Stuart
출원인 / 주소	P2i Limited
대리인 / 주소	Winstead, P.C.
인용정보	피인용 횟수 : 0 인용 특허 : 84

초록 ▼

The invention relates to the application of a coating to a substrate in which the coating includes a polymer material and the coating is selectively fluorinated and/or cured to improve the liquid repellance of the same. The invention also provides for the selective fluorination and/or curing of selected areas of the coating thus, when completed, providing a coating which has regions of improved liquid repellance with respect to the remaining regions and which remaining regions may be utilized as liquid collection areas.

대표청구항 ▼

1. A method of applying a coating to a surface of a substrate, said method comprising the successive steps of: (i) applying a polymer material to the said substrate surface to form at least part of the coating;(ii) fluorinating the polymeric material at the surface of said coating on the substrate by selective exposure of said coating to a molecular fluorine containing species using a plasma to generate said molecular fluorine containing species and;(iii) curing at least part of the said coating. 2. A method according to claim 1 wherein the polymer material is applied by any or any combination of spin coating, solvent casting, dipping, spraying, plasma deposition, atomization or chemical vapour deposition. 3. A method according to claim 1 wherein the polymer material includes homopolymers and copolymers. 4. A method according to claim 3 wherein the polymeric components occur singly, in combination with one another or in the presence of non-polymeric additives. 5. A method according to claim 4 wherein the components of polymer blends are miscible or immiscible. 6. A method according to claim 1 wherein the polymer material includes unsaturated bonds. 7. A method according to claim 1 wherein the polymer material is a blend with one component of the blend crosslinkable. 8. A method according to claim 1 wherein the polymer coating forms at least part of the outer surface of the coating applied to the substrate. 9. A method according to claim 8 wherein the polymer coating forms part of the coating applied to the substrate surface. 10. A method according to claim 1 wherein the polymer material forms only part of the outer surface of the coating. 11. A method according to claim 10 wherein the outermost surface of the coating comprises domains or patterns of polymer material containing unsaturated bonds surrounded by areas consisting of a non-polymeric material or a different polymer material. 12. A method according to claim 1 wherein the coating comprises additional layers supplementary to the outermost surface layer which consists of combinations of materials. 13. A method according to claim 1 wherein the coated substrate is disposed within the plasma or exposed to fluorinating species created by a remotely located plasma. 14. A method according to claim 1 wherein the curing of the surface which is fluorinated in accordance with step (ii) affects the cross-linking of an unmodified, unsaturated polymer below the said surface and the degree of fluorination and roughened surface morphology imparted by the fluorination are substantially unaffected by the curing process. 15. A method according to the claim 14 wherein the method of curing used is any or any combination of heating, VUV radiation, UV radiation, electron beam irradiation or exposure to ionising radiations. 16. A method according to claim 1 wherein the fluorination and curing step include the control of the temperature of the polymer film. 17. A method for applying a coating having liquid repellent characteristics to a substrate, said method comprising the successive steps of: applying a coating to the substrate surface, said coating being formed from a polymer, the outer surface of which coating includes unsaturated bonds;fluorinating said polymer by selective exposure of said coating to a molecular fluorine containing species using a plasma to generate said molecular fluorine containing species; andcuring said polymer;wherein at least one of the fluorination and curing is performed on the polymer material in a selected pattern so as to provide selectively fluorinated and/or cured portions and selectively unfluorinated and/or uncured portions of said coating. 18. A method according to claim 17 wherein the selection made is to fluorinate the whole area of the polymer material of the coating and selectively cure the coating on only a portion of the substrate. 19. A method according to claim 17 wherein the selective pattern of fluorination and/or curing on the substrate surface coating is achieved with the use of a spacially resolved means of curing and/or fluorination such as an ion beam, electron or laser beam or via masking which matches the selective pattern of fluorination and/or curing required. 20. A method according to claim 19 wherein the mask includes a series of apertures, said apertures, when said mask is placed over the said coating, defining the areas of said coating which are to be fluorinated and/or cured.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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연합인증

Method and apparatus for the formation of hydrophobic surfaces 원문보기

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Method and apparatus for the formation of hydrophobic surfaces 원문보기

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연구과제 타임라인

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