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Liquid composition storage method and product

A technology of liquid composition and preservation method, which is applied in the preservation of liquid composition and the field of products, can solve the problems of large influence and the like, and achieve the effect of stable storage and transportation

Active Publication Date: 2021-06-01
CENT GLASS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, HFCs generally have a longer atmospheric lifetime and have a greater impact on the earth's environment such as global warming

Method used

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  • Liquid composition storage method and product
  • Liquid composition storage method and product
  • Liquid composition storage method and product

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1~11、 comparative example 1~5

[0071] Using 1223xd(Z) (acid component: less than 0.5 ppm, purity: 99%, colorless transparent liquid) as a liquid composition, the above-mentioned immersion test was performed. The results are shown in Table 1.

[0072] [Table 1]

[0073]

[0074] In Table 1, "-" means not determined. As can be seen from Table 1, in Comparative Examples 1 to 5, weight loss and coloration were clearly observed in the test pieces. Therefore, in Comparative Examples 1-5, the measurement of "acid content" and "purity" was not performed. The same applies to Comparative Examples 6 to 10 shown in Table 2.

[0075] In Table 1, the materials shown below were used for various test pieces. The same is true in Table 2.

[0076] Perfluoroalkoxyalkane: "AF2400" manufactured by The Chemours Company

[0077] Polyetheretherketone: "PK-450" manufactured by Nippon Polypenco Limited

[0078] High-density polyethylene: "EL-N-AN" manufactured by Shin-Kobe Electric Machinery Co., Ltd.

[0079] Low-density...

Embodiment 12~22、 comparative example 6~10

[0091] A mixed composition of 1223xd(Z) and 1223za (mixed composition of 90% by mass of 1223xd(Z) and 10% by mass of 1223za, acid component: less than 0.5ppm, purity: 99%, colorless and transparent liquid) as the liquid Compositions were subjected to the immersion test described above. The results are shown in Table 2.

[0092] [Table 2]

[0093]

Embodiment 23~26

[0095] Using 1223xd(Z) (acid component: less than 0.5 ppm, purity: 99%, colorless transparent liquid) as a liquid composition, the above-mentioned immersion test was performed. The results are shown in Table 3.

[0096] [table 3]

[0097]

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Abstract

Provided is a method for storing a liquid composition containing 1,2-dichloro-3,3,3-trifluoropropene (1223xd), the method using a storage container in which the portion thereof that comes into contact with the liquid is made of a material selected from the group consisting of a resin, a metal, and a glass. Also provided is a product comprising a liquid composition containing 1,2-dichloro-3,3,3-trifluoropropene (1223xd) and a storage container in which the portion thereof that comes in contact with the liquid composition is made of a material selected from the group consisting of a resin, a metal, and a glass.

Description

technical field [0001] One embodiment of the present invention relates to a preservation method of a liquid composition and a product containing the liquid composition. More specifically, it relates to a storage method of a liquid composition containing 1,2-dichloro-3,3,3-trifluoropropene, and a product comprising the liquid composition and a container. Background technique [0002] In order to prevent global warming and the destruction of the ozone layer, various alternatives to CFCs have been proposed so far. In order to protect the ozone layer, hydrofluorocarbons (HFCs) that do not generate chlorine radicals that cause ozone layer destruction have been widely used. However, HFCs generally have a long atmospheric lifetime and have a large impact on the earth's environment such as global warming. Control of HFCs has also been promoted in the market, and as substitutes for them, hydrofluoroolefins (HFO) with a short atmospheric life having a double bond in the molecule, an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65D85/84C07C21/18C11D7/50C11D17/04C23G5/028
CPCC23G5/028C07C21/18C11D7/50B65D85/84C11D17/04
Inventor 长舩夏奈子冈本正宗井村英明大谷充孝
Owner CENT GLASS CO LTD