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Bifacial hydrophilic film

A hydrophilic membrane, double-sided technology, applied in the field of double-sided hydrophilic membranes, to achieve the effect of improving reliability and effectiveness, improving detection accuracy, and improving blood diffusion performance

Pending Publication Date: 2019-03-12
杭州快诊新材料科技有限公司
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Problems solved by technology

[0003] In order to improve the detection accuracy of blood glucose test strips, the diffusion performance of the

Method used

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  • Bifacial hydrophilic film
  • Bifacial hydrophilic film

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Embodiment Construction

[0013] In order to make the technical solution of the present invention clearer, the following in conjunction with the attached figure 1 with 2 , the present invention will be described in detail. It should be understood that the specific implementations described in this specification are only for explaining the present invention, and are not intended to limit the protection scope of the present invention.

[0014] The present invention is a double-sided hydrophilic membrane, comprising a substrate 1, an upper hydrophilic membrane 2 is coated on the upper surface of the substrate 1, and a lower hydrophilic membrane 3 is coated on the lower surface of the substrate 1. An upper PE film 4 is compounded on the upper hydrophilic film 2 , and a lower PE film 5 is compounded on the lower hydrophilic film 3 .

[0015] Both the upper hydrophilic film 2 and the lower hydrophilic film 3 are thin films formed by dissolving fatty alcohol polyoxyethylene ether in ethanol solution, coatin...

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Abstract

The invention discloses a bifacial hydrophilic film which comprises a substrate, wherein an upper-layer hydrophilic film is coated on the upper surface of the substrate, a lower-layer hydrophilic filmis coated on the lower surface of the substrate, an upper-layer PE film is compounded on the upper-layer hydrophilic film, and a lower-layer PE film is compounded on the lower-layer hydrophilic film.The bifacial hydrophilic film disclosed by the invention can greatly improve the blood diffusion performance of the hydrophilic film of a blood glucose test strip so as to further improve the detection accuracy of blood glucose indexes. The hydrophilic coating solvent disclosed by the invention adopts an alcohol solvent which is easy to dry at low temperature, so that the drying process can be performed by adopting a low-temperature drying method so as to avoid the damage to the PE films.

Description

technical field [0001] The invention relates to a double-sided hydrophilic film. Background technique [0002] Blood glucose test strips have been widely used in blood glucose rapid diagnostic testing. In blood glucose test strips, in addition to oxidoreductase and conductive media, the hydrophilic membrane affects the detection accuracy. When the blood sample to be tested is dropped on the blood glucose test strip, the hydrophilic membrane can quickly spread the blood drop and draw it into the working area of ​​the electrode to ensure the blood glucose detection. [0003] In order to improve the detection accuracy of blood glucose test strips, the diffusion performance of the hydrophilic membrane can only be improved when the oxidoreductase and the conductive medium have been determined. How to improve the performance of the hydrophilic membrane of blood glucose test strips is an important issue before those skilled in the art. Contents of the invention [0004] The pu...

Claims

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Application Information

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IPC IPC(8): B01D71/26B01D67/00B05C5/02B05C9/04
CPCB01D67/0002B01D71/26B05C5/02B05C9/04B01D2323/26B01D2325/36
Inventor 黄健黄瑞
Owner 杭州快诊新材料科技有限公司
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