Waterproof breathable membrane assembly

Abstract

The invention provides a waterproof breathable membrane assembly. The waterproof breathable membrane assembly comprises a first waterproof breathable layer and a second waterproof breathable layer, the first waterproof breathable layer comprises a first waterproof breathable section for water resistance and breathability; a specific relative interval H exists between the first waterproof breathable layer and the second waterproof breathable layer; the specific relative interval H is the ratio of the actual interval distance between the first waterproof breathable layer and the second waterproof breathable layer to the diameter of the first waterproof breathable section; the water pressure resistance of the first waterproof breathable layer and the second waterproof breathable layer is 0.55-0.8 MPa; the ventilation rate of the first waterproof ventilation layer and the second waterproof ventilation layer is 0.06-0.6 mL / (min * cm < 2 > * kPa); the water pressure resistance of the waterproof and breathable membrane assembly is more than 1MPa, and the breathable rate is 0.002-0.3 mL / (min * cm < 2 > * kPa); the waterproof and breathable membrane assembly can resist the influence of 1MPa pressure intensity (100m water pressure), has high breathability, and can play a waterproof and breathable role at 100m underwater, so that the normal application of electronic equipment at 100m underwater is ensured.

Description

technical field [0001] The invention relates to the technical field of membrane materials, and more specifically relates to a waterproof and breathable membrane assembly. Background technique [0002] With the development of the economy and the adjustment of the industrial structure, the market demand for membrane materials in various industries continues to rise; among them, the waterproof and breathable membrane has the function of effectively preventing the passage of water and allowing the passage of gas, and is favored by various industries. . Waterproof and breathable membrane is a new type of polymer waterproof material, it has a very wide range of applications, mainly used in construction, electronics, chemical medical equipment and food packaging and other fields; for example, it contains various control circuit boards or various sensors Most of the housings of electronic equipment are equipped with waterproof and breathable membranes. On the one hand, it is benefi...

AI Technical Summary

Problems solved by technology

As people's thirst for knowledge continues to expand, people want to know what the world looks like at 100 meters underwater. Therefore, many researchers need to conduct various scientific research at 100 meters or deeper underwater; and the waterproof products on the market When the breathable membrane is subjected to 100 meters of water pressure, it will undergo irreversible deformation or even rupture, which will no longer be able to play the role of waterproof and breathable, and will also make the electronic equipment unable to work normally. This not only greatly reduces the efficiency of scientific research and investigation, but also greatly So large that it affects the accuracy of the final results of scientific research investigations

Images