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Sheet body

A flake and solid technology, applied in the field of flakes, can solve problems such as insufficient strength, and achieve the effect of improving icing and/or snow accumulation and preventing icing and/or snow accumulation

Active Publication Date: 2021-06-15
NITTO DENKO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, this wet gel is not intended to be used outdoors where strength is required, and there is a problem that its strength is insufficient
In addition, since the first liquid and the second liquid can be mixed, and the first liquid can also serve as the second liquid, there is a possibility that the first liquid and the second liquid may syneresis occur simultaneously and excessively.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0108] A sheet-like body was obtained by the following method.

[0109] 1) Preparation of oleoresin layer

[0110]Sylgard184 main agent (manufactured by Toray Dowconing Co., Ltd.) as a resin component, Sylgard184 curing agent (manufactured by Toray Dowconing Co., Ltd.) as a resin component, and dimethylsiloxane oil (manufactured by Shin-Etsu Silicone Co., Ltd.) product number KF-96 100cs) and methylphenylsiloxane oil (TSF437 manufactured by Momentive Co., Ltd.) as the second oil component in a ratio of 100:10:210:90 (by weight), and then injected into the mold The frame was cured in an oven at 100° C. for 30 minutes to obtain an oil-impregnated resin layer mainly composed of dimethylpolysiloxane rubber containing dimethylsiloxane oil and methylphenylsiloxane oil. The thickness of the oleoresin layer was set to 1000 μm. Wherein, the value of the solubility parameter of dimethyl silicone oil is 11.7 (J / cm 3 ) 1 / 2 , the value of the solubility parameter of methylphenylsiloxan...

Embodiment 2～4

[0186] [Examples 2-4, and Reference Examples 1-3]

[0187] It was the same as Example 1 except having changed the layer thickness (layer thickness ratio) of the surface resin layer.

Embodiment 5

[0189] It was the same as Example 1 except having changed the oil content rate in the surface resin layer.

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Abstract

The purpose of the present invention is to provide a sheet body that has an improved ice-accretion and / or snow-accretion inhibitory function. This sheet body comprises at least: an oil-containing resin layer that is in the form of a solid and that contains an oil; and an oil-permeable superficial resin layer which has a higher abrasion resistance than the oil-containing resin layer and which is laminated on one surface of the oil-containing resin layer. The oil contained in the oil-containing resin layer comprises a low-temperature exudative oil component that is capable of exuding from the oil-containing resin layer when the temperature drops to a level equal to or lower than a prescribed value, while the superficial resin layer exhibits oil permeability that allows the low-temperature exudative oil component exuding from the oil-containing resin layer to permeate the superficial resin layer up to a surface that is situated on the side opposite to the oil-containing resin layer.

Description

technical field [0001] The present invention relates to a sheet-like body, in particular a sheet-like body capable of preventing icing and / or snow accumulation. Background technique [0002] Several products have been developed that can prevent icing or snow accumulation on various structures such as roofs of houses, power lines, mats, vehicles, ships, and the like. [0003] For example, Japanese Unexamined Patent Publication No. 7-148879 (Patent Document 1) discloses an ice and snow adhesion preventing sheet capable of preventing adhesion of ice and snow to various structures in cold regions. The sheet includes a heat-insulating layer made of a sponge material, and a surface layer laminated on the heat-insulating layer, and the surface layer is formed of rubber or resin dispersed in such a manner that an oil agent can penetrate to the surface. The oil is held in the surface layer so as to continuously penetrate to the surface of the surface layer. On the other hand, in or...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B27/18B32B7/022B32B27/00E04H9/16
CPCE04H9/16B32B7/12B32B27/308B32B27/18B32B27/34B32B2250/04B32B25/08B32B2307/732B32B2419/06B32B15/06B32B2471/04B32B15/088B32B15/082B32B2250/03B32B27/32B32B15/18B32B2605/12B32B27/40B32B2457/00B32B27/36B32B15/20B32B2605/00B32B25/042B32B2250/05B32B2307/7265B32B27/283B32B15/09B32B27/304B32B7/06B32B15/085B32B27/08B32B2250/24B32B2255/10B32B2255/26B32B25/20B32B7/022B32B2307/726E04D13/10
Inventor 江口宪一小竹慎也松隈大辅石井爱佳藤田浩之
Owner NITTO DENKO CORP
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