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1. WO2022023239 - SPRAYABLE THIN AND ROBUST CARBON NANOFIBER COMPOSITE COATING FOR EXTREME JUMPING DROPWISE CONDENSATION PERFORMANCE

Publication Number WO/2022/023239
Publication Date 03.02.2022
International Application No. PCT/EP2021/070797
International Filing Date 26.07.2021
IPC
B05D 1/12 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
DPROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
1Processes for applying liquids or other fluent materials
02performed by spraying
12Applying particulate materials
B01D 5/00 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
5Condensation of vapours; Recovering volatile solvents by condensation
B05D 1/14 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
DPROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
1Processes for applying liquids or other fluent materials
02performed by spraying
12Applying particulate materials
14Flocking
B05D 3/02 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
DPROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
3Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
02by baking
B05D 3/04 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
DPROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
3Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
04by exposure to gases
B05D 3/14 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
DPROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
3Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
14by electrical means
CPC
B01D 5/0027
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
5Condensation of vapours; Recovering volatile solvents by condensation
0027by direct contact between vapours or gases and the cooling medium
B05D 1/12
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
1Processes for applying liquids or other fluent materials
02performed by spraying
12Applying particulate materials
B05D 1/14
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
1Processes for applying liquids or other fluent materials
02performed by spraying
12Applying particulate materials
14Flocking
B05D 2202/45
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
2202Metallic substrate
40based on other transition elements
45based on Cu
B05D 2350/65
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
2350Pretreatment of the substrate
60Adding a layer before coating
65metal layer
B05D 2506/15
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
2506Halogenated polymers
10Fluorinated polymers
15Polytetrafluoroethylene [PTFE]
Applicants
  • ETH ZURICH [CH]/[CH]
Inventors
  • POULIKAKOS, Dimos
  • SHARMA, Chander
  • MILIONIS, Athanasios
  • DONATI, Matteo
  • LAM, Cheuk Wing Edmond
  • TRIPATHY, Abinash
Priority Data
20188524.130.07.2020EP
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) SPRAYABLE THIN AND ROBUST CARBON NANOFIBER COMPOSITE COATING FOR EXTREME JUMPING DROPWISE CONDENSATION PERFORMANCE
(FR) REVÊTEMENT COMPOSITE PULVÉRISABLE DE NANOFIBRES DE CARBONE, MINCE ET ROBUSTE POUR DES PERFORMANCES DE CONDENSATION GOUTTE À GOUTTE À SAUTS EXTRÊMES
Abstract
(EN) A method for applying a composite coating on a substrate, the method including a step of applying a suspension onto the substrate, wherein said suspension comprises a solvent, polytetrafluorethylene micro particles and carbon nanofibers; and a step of thermal annealing of the substrate.
(FR) L'invention concerne un procédé pour appliquer un revêtement composite sur un substrat, le procédé comprenant une étape d'application d'une suspension sur le substrat, ladite suspension comprenant un solvant, des microparticules de polytétrafluoroéthylène et des nanofibres de carbone ; et une étape de recuit thermique du substrat.
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