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A kind of polyurethane-based ionic liquid perfusion coating prefabricated liquid and its preparation method, ionic liquid perfusion coating

An ionic liquid, liquid infusion technology, applied in the direction of polyurea/polyurethane coatings, coatings, etc., can solve the problems of expensive preparation of devices, unclean environmental protection, cumbersome steps, etc., and achieves broad market prospects, low prices, and simple operations.

Active Publication Date: 2021-12-03
SUN YAT SEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] In view of this, the application provides a polyurethane-based ionic liquid perfusion coating prefabrication solution and its preparation method, and an ionic liquid perfusion coating, which can effectively solve the cumbersome steps of the existing ionic liquid perfusion super-slip coating due to difficulty in perfusion , Involving technical issues such as expensive preparation devices and unclean environmental protection

Method used

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  • A kind of polyurethane-based ionic liquid perfusion coating prefabricated liquid and its preparation method, ionic liquid perfusion coating
  • A kind of polyurethane-based ionic liquid perfusion coating prefabricated liquid and its preparation method, ionic liquid perfusion coating
  • A kind of polyurethane-based ionic liquid perfusion coating prefabricated liquid and its preparation method, ionic liquid perfusion coating

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Embodiment 1

[0046] The embodiment of the present application provides the first ionic liquid perfusion coating, the method comprising:

[0047] 1. Weigh 0.05g of thermoplastic polyurethane TPU and 0.5g of 1-butyl-3-methylimidazolium hexafluorophosphate [BMIM][PF 6 ] was added to a 5mL reagent bottle;

[0048] 2. Then, gradually heat in the oil bath, stir at a speed of 300rpm, heat to 180°C and keep the temperature for 3 hours to completely dissolve the polyurethane TPU in the ionic liquid [BMIM][PF 6 ] to form a homogeneous polyurethane-based ionic liquid perfusion coating prefabricated solution, place the polyurethane-based ionic liquid perfused coating prefabricated solution on a glass plate, and use a scraper to quickly scrape out a 1mm thick solution layer. After standing for 30s, the polyurethane-based ionic liquid perfusion coating prefabricated liquid cooled naturally and phase separation occurred to form the ionic liquid perfusion coating.

Embodiment 2

[0050] The embodiment of the present application provides a second ionic liquid perfusion coating, the method comprising:

[0051] 1. Weigh 0.2g of polyurethane TPU and 1g of 1-octyl-3-methylimidazolium hexafluorophosphate [OMIM][PF 6 ], added to the reagent bottle of 5mL;

[0052] 2. Then, gradually heat in the oil bath, stir at a speed of 300rpm, heat to 180°C and keep the temperature for 3 hours to completely dissolve the polyurethane TPU in the ionic liquid [OMIM][PF 6 ] The polyurethane-based ionic liquid perfusion coating prefabricated solution formed in ], put the polyurethane-based ionic liquid perfused coating prefabricated solution on a glass plate, and use a scraper to quickly scrape out a 1mm thick solution layer. After standing for 30s, the polyurethane-based ionic liquid perfusion coating prefabricated liquid cooled naturally and phase separation occurred to form the ionic liquid perfusion coating.

Embodiment 3

[0054] The embodiment of the present application provides a third ionic liquid perfusion coating, the method comprising:

[0055] 1. Weigh 0.2g of thermoplastic polyurethane TPU and 1g of 1-decyl-3-methylimidazolium hexafluorophosphate [DMIM][PF 6 ] was added to a 5mL reagent bottle;

[0056] 2. Then, gradually heat in the oil bath, stir at a speed of 300rpm, heat to 200°C and keep the temperature for 2 hours to completely dissolve the polyurethane TPU in the ionic liquid [DMIM][PF 6 ] to form a homogeneous polyurethane-based ionic liquid perfusion coating prefabricated solution, place the polyurethane-based ionic liquid perfused coating prefabricated solution on a glass plate, and use a scraper to quickly scrape out a 1mm thick solution layer. After standing for 30s, the polyurethane-based ionic liquid perfusion coating prefabricated liquid cooled naturally and phase separation occurred to form the ionic liquid perfusion coating.

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Abstract

The application belongs to the technical field of liquid perfusion super-slip coating, and in particular relates to a polyurethane-based ionic liquid perfusion coating prefabricated liquid, a preparation method thereof, and an ionic liquid perfusion coating. The present application provides a polyurethane-based ionic liquid perfusion coating prefabricated solution, comprising: thermoplastic polyurethane and an ionic liquid; the ionic liquid includes an imidazole-type ionic liquid or / and a tetrafluoroboric acid-type ionic liquid. The application provides a polyurethane-based ionic liquid perfusion coating prefabrication solution and its preparation method, and an ionic liquid perfusion coating, which can effectively solve the cumbersome steps and expensive procedures of the existing ionic liquid perfusion super-slip coating due to difficulty in perfusion. Technical issues such as device preparation and unclean environmental protection.

Description

technical field [0001] The application belongs to the technical field of liquid perfusion super-slip coating, and in particular relates to a polyurethane-based ionic liquid perfusion coating prefabricated liquid, a preparation method thereof, and an ionic liquid perfusion coating. Background technique [0002] Slippery Liquid-Infused Porous Surface (SLIPS) exhibits excellent sliding properties and liquid repellency at room temperature due to the presence of a molecular-scale liquid lubricating layer (perfusion liquid) on the surface. Anti-icing, anti-fouling, drag reduction, heat transfer and other fields. [0003] Ionic liquids, as salts that are liquid at or near room temperature and composed entirely of anions and cations, have been used as excellent Lubricants are used in the field of friction. At present, it has been reported that with different "hydrophilic" ionic liquids and hydrophilic and hydrophobic polymers, the surface of SLIPS is prepared to exhibit excellent ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D175/04C09D7/20
CPCC09D175/04C09D7/20
Inventor 杨皓程王华莉梁泽辉卢嘉星赵书瑞
Owner SUN YAT SEN UNIV
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