Composition Including Polyrotaxane And Utilization Object Thereof
A technology of composition and polyrotaxane, which is applied to the conductive layer on the insulating carrier, piezoelectric/electrostrictive/magnetostrictive devices, electrical components, etc., can solve the problems that have not been disclosed, and achieve the realization of dielectric constant and Low elasticity, high compatibility, and the effect of improving moisture resistance
Active Publication Date: 2017-04-12
TOYODA GOSEI CO LTD +1
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- Description
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Problems solved by technology
However, regarding the polyrotaxane itself, only a polyrotaxane having α-cyclodextrin as a cyclic molecule
Method used
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Embodiment
[0078] Hereinafter, examples of compositions containing polyrotaxanes embodying the present invention and their utilization products will be described in the following order. It should be noted that the present invention is not limited to this embodiment.
[0079] Preparation of polyrotaxane (A)
[0080] Preparation of block copolymer (B) containing polysiloxane
[0081] Preparation of polysiloxane-free polymer (C)
[0082] Preparation of composition
[0083] Preparation of cured film
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Abstract
In a composition including polyrotaxane and a utilization object thereof, the water molecules are difficult to mix, thereby suppressing the generation of a hydrolysis reaction, and improving the wet resistance. The composition including polyrotaxane comprises a polyrotaxane (A) which includes cyclodextrin as a ring molecule and polyethylene glycol as a linear molecule, and in which a blocking group is arranged at both ends of the linear molecule; a block copolymer (B) including polysiloxane; and a polymer (C) including no polysiloxane. In a curing body formed by the composition, a plurality of annular molecules of the polyrotaxane are combined by a crosslinking part, at least a part of the crosslinking part is the block copolymer (B) having the polysiloxane. A dielectric medium attached with an electrode layer uses a curing film formed by the curing body as the dielectric medium, and electrode layers are attached to the two surfaces of the curing film respectively. An actuator uses the dielectric medium attached with the electrode layers.
Description
technical field [0001] The present invention relates to a composition containing a polyrotaxane, a cured body, a cured film, a dielectric sheet with an electrode layer, and an actuator using the composition. Background technique [0002] A polyrotaxane is an aggregate of molecules having a structure in which a linear molecule relatively slides through a cyclic molecule, and the cyclic molecule is hardly detached due to capping groups arranged at both ends of the linear molecule , which is called the slip ring material. Cyclic molecules and linear molecules are known as various polyrotaxanes, but cyclodextrin is often used as the cyclic molecule and polyethylene glycol is used as the linear molecule (Patent Document 1). [0003] Patent Document 2 discloses a polyrotaxane crosslinked via a cyclic molecule. It is characterized in that it has 10 or more repeating units in its crosslinking part, and / or has a number average molecular weight of 1000 or more, and does not contain ...
Claims
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IPC IPC(8): C08L1/28C08L87/00C08L83/10C08L71/02H01B5/14C08G83/00
CPCC08G83/007C08L1/28H01B5/14C08L2203/16C08L2205/035C08L2205/025C08L87/00C08L83/10C08L71/02C08G77/445H10N30/506H10N30/857H10N30/50C08L101/06
Inventor 中井孝宪竹内宏充井上胜成
Owner TOYODA GOSEI CO LTD
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