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A preparation method and product of polydimethylsiloxane based on improved discontinuous wettability

A technology of polydimethylsiloxane and dimethylsiloxane, which is applied in the field of polydimethylsiloxane preparation, can solve the problems of increasing complexity and cost, and the inability to guarantee material stability, etc., and reach the contact angle The effect of precise control, good industrial application prospects, and simple experimental methods

Active Publication Date: 2021-05-11
JIANGNAN UNIV
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Problems solved by technology

[0004] The traditional material modification process will increase its complexity and cost, and cannot guarantee the stability of the modified material

Method used

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  • A preparation method and product of polydimethylsiloxane based on improved discontinuous wettability
  • A preparation method and product of polydimethylsiloxane based on improved discontinuous wettability
  • A preparation method and product of polydimethylsiloxane based on improved discontinuous wettability

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Embodiment Construction

[0026] In order to make the above objects, features and advantages of the present invention more comprehensible, the specific implementation of the present invention will be described in detail below in conjunction with specific examples.

[0027] In the following description, a lot of specific details are set forth in order to fully understand the present invention, but the present invention can also be implemented in other ways different from those described here, and those skilled in the art can do it without departing from the meaning of the present invention. By analogy, the present invention is therefore not limited to the specific examples disclosed below.

[0028] Second, "one embodiment" or "an embodiment" referred to herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. "In one embodiment" appearing in different places in this specification does not all refer to the same embodime...

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Abstract

The invention discloses a preparation method and product of polydimethylsiloxane based on improved discontinuous wettability. It includes mixing: mixing the liquid matrix of polydimethylsiloxane with a curing agent to obtain a mixed solution, and stirring evenly; molding: using a plastic plane or a stainless steel block containing micropores as a mold; preparing: mixing the mixed solution Pour into the mold, shake evenly, degas, dry and solidify. The present invention can selectively prepare polydimethylsiloxane with different wettability by adjusting the concentration of different types of templates, curing agents and curing temperature. industrial application prospects.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and in particular relates to a preparation method and product of polydimethylsiloxane based on improved discontinuous wettability. Background technique [0002] Wettability shows the ability of a liquid to wet a solid surface, and the contact angle is a measure of the wettability of a solid surface. When water droplets attach to a solid surface, it is generally considered to be a three-phase contact of solid, liquid, and gas. During the contact process, the motion of the wetted periphery changes slightly. When the change stops, it indicates that the free energy of the three-phase interface has reached equilibrium. At any point on the wetting periphery, the angle between the tangent of the liquid-gas interface and the tangent of the solid-liquid interface is referred to as the contact angle θ. When 0<θ<90°, it indicates that the liquid can wet the solid, and the solid behaves as H...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G77/38
CPCC08G77/38
Inventor 钱善华王迪程帅倪自丰刘利国
Owner JIANGNAN UNIV
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