A waterproof fabric
Through the multi-layer structural design, combined with waterproof polyester layer, double-sided TPU waterproof breathable membrane and PET high elastic wire layer, the problem of single performance of existing waterproof fabrics is solved, and strong waterproof, strong breathable and high comfort fabrics are achieved. in various weather environments.
Patent Information
- Application Number
- CN201910362542.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2019-04-30
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2039-04-30
AI Technical Summary
The existing waterproof fabric structure is traditionally old and has a single performance, and cannot meet the waterproof and breathable needs at the same time. The scope of application is limited and it is difficult to withstand extremely bad weather.
Adopt a multi-layer structural design, including an outer waterproof polyester layer, a double-sided TPU waterproof breathable membrane and a PET high elastic wire layer. Through hot pressing bonding, the high waterproof and breathable properties of the TPU waterproof breathable membrane are used, combining the waterproof polyester layer and PET The high elastic wire layer has waterproof and elasticity, forming strong waterproof and breathable properties.
It achieves strong waterproof performance and high breathability, meets multiple needs, has a wide range of application, high comfort, can withstand various weather and environments, and has a simple processing technology.
Smart Images

Figure CN111844967B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of fabrics, and in particular to a waterproof fabric. Background Art
[0002] As people's quality of life improves, people have higher and higher requirements for the comfort and functionality of the fabrics of the clothes they wear, such as the demand for the waterproof function of the fabric. The structure of the ordinary waterproof fabrics on the market is traditional and old, and the performance is relatively simple. It can only prevent the penetration of rainwater, but it is not conducive to breathability, which will make people feel stuffy and the comfort level is average, making it difficult for the fabric to meet multiple needs and the scope of application is greatly limited. Moreover, the existing waterproof fabrics generally directly use yarns with water-repellent properties to weave a single-layer structure, the waterproof effect is poor, and a higher waterproof level cannot be achieved. The waterproof ability cannot be applied to various weather and environments, and it is difficult to effectively resist extremely and continuously bad weather.
[0003] Therefore, how to realize a waterproof fabric with a multi-layer structure, novel and reasonable structural design, strong waterproof performance, strong moisture permeability and breathability, high comfort, meeting multiple needs, being able to withstand various weather and environments, and having a wide range of applications is a technical problem that needs to be solved urgently in the industry. Summary of the invention
[0004] The main purpose of the present invention is to provide a waterproof fabric, aiming to achieve a waterproof fabric with a multi-layer structure, novel and reasonable structural design, strong waterproof performance, strong moisture permeability and breathability, high comfort, meeting multiple needs, being able to withstand various weather and environments, having a wide range of applications, and having a firm and stable fabric and simple processing technology.
[0005] The present invention provides a waterproof fabric, comprising a waterproof polyester layer woven from waterproof polyester yarn with anti-siphoning effect, a double-sided TPU waterproof breathable membrane arranged on the inner side of the waterproof polyester layer, and a PET high-elastic yarn layer woven from PET high-elastic yarn arranged on the inner side of the double-sided TPU waterproof breathable membrane. The waterproof polyester layer and the double-sided TPU waterproof breathable membrane, and the double-sided TPU waterproof breathable membrane and the PET high-elastic yarn layer are all joined by hot pressing; the double-sided TPU waterproof breathable membrane comprises a core layer, a first TPU waterproof breathable membrane arranged on the outer side of the core layer, and a second TPU waterproof breathable membrane arranged on the inner side of the core layer.
[0006] The present invention realizes a waterproof fabric with a multi-layer structure, novel and reasonable structural design, strong waterproof performance, strong moisture permeability and air permeability, high comfort, meeting multiple needs, being able to withstand various weather and environments, having a wide range of applications, and having a firm and stable fabric and simple processing technology. BRIEF DESCRIPTION OF THE DRAWINGS
[0007] Figure 1The figure is a schematic diagram of the exploded structure of an embodiment of a waterproof fabric of the present invention.
[0008] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION
[0009] It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.
[0010] Reference Figure 1 , an embodiment of a waterproof fabric of the present invention is proposed, comprising a waterproof polyester layer 101 woven from waterproof polyester yarn with anti-siphoning effect, a double-sided TPU waterproof breathable membrane arranged on the inner side of the waterproof polyester layer 101, and a PET high elastic yarn layer 102 woven from PET high elastic yarn arranged on the inner side of the double-sided TPU waterproof breathable membrane. The waterproof polyester layer 101 and the double-sided TPU waterproof breathable membrane, and the double-sided TPU waterproof breathable membrane and the PET high elastic yarn layer 102 are all joined by hot pressing, so the fabric is firm and stable, and the processing technology is simple. The double-sided TPU waterproof breathable membrane includes a core layer 103, a first TPU waterproof breathable membrane 104 arranged on the outer side of the core layer 103, and a second TPU waterproof breathable membrane 105 arranged on the inner side of the core layer 103. Among them, the proportions of the three raw materials of waterproof polyester yarn, PET high elastic yarn, and double-sided TPU waterproof breathable membrane can be adjusted according to the weaving requirements of the fabric. Among them, the waterproof polyester yarn is made by crystallizing the polyester yarn, which can achieve the effect of water repellent.
[0011] As the quality of life improves, people have higher and higher requirements for the comfort and functionality of the fabrics of the clothes they wear, such as the demand for the waterproof function of the fabric. The structure of the ordinary waterproof fabrics on the market is traditional and old, and the performance is relatively simple. It can only prevent the penetration of rainwater, but it is not conducive to breathability, which will make people feel stuffy and comfortable. It is difficult for the fabric to meet multiple needs and its scope of application is greatly limited. In addition, the existing waterproof fabrics are generally directly woven into a single-layer structure using yarns with water-repellent properties, which has poor waterproof effect and cannot achieve a higher waterproof level. The waterproof ability cannot be applied to various weather and environment, and it is difficult to effectively resist extreme and continuous bad weather. The structural design of the waterproof fabric is novel and reasonable, and has a multi-layer structure, which is respectively a waterproof polyester layer 101, a double-sided TPU waterproof breathable film, and a PET high elastic yarn layer 102. Among them, the waterproof polyester layer 101 has a waterproof function, and the double-sided TPU waterproof breathable film includes a core layer 103, a first TPU waterproof breathable film 104 arranged at the outer side of the core layer 103, and a second TPU waterproof breathable film 105 arranged at the inner side of the core layer 103. TPU waterproof breathable membrane has the characteristics of high strength, good toughness, wear resistance, cold resistance, oil resistance, water resistance, aging resistance, weather resistance, etc. It also has many excellent functions such as high waterproofness, moisture permeability, windproof, cold resistance, antibacterial, mildew resistance, warmth retention, UV resistance and energy release. It is worth noting that the waterproof performance of TPU waterproof breathable membrane is very strong, and its high air permeability can reach 10000g / m 2 / 24 hours, even after hot pressing, it can reach 5000-7000g / m 2 / 24 hours, the air permeability is very strong. In addition to high waterproof performance, the TPU waterproof breathable membrane has excellent moisture permeability and air permeability. Human sweat can freely penetrate between the TPU waterproof breathable membranes, so that the human body will not feel stuffy, and the comfort level is high. It meets multiple needs and can withstand various weather and environments, and has a wide range of applications. In addition, a double TPU waterproof breathable membrane is set in this waterproof fabric, which greatly improves the waterproof and breathable performance. In this waterproof fabric, the waterproof polyester layer 101 and the double TPU waterproof breathable membrane ensure the waterproof performance, so that this fabric can reach the highest waterproof level. In addition, the double TPU waterproof breathable membrane ensures moisture permeability and air permeability. In addition, in this waterproof fabric, the waterproof polyester layer 101 and the double-sided TPU waterproof breathable membrane, and the double-sided TPU waterproof breathable membrane and the PET high elastic yarn layer 102 are all joined by hot pressing, and the fabric is firm and stable, and the processing technology is simple.
[0012] The present invention realizes a waterproof fabric with a multi-layer structure, novel and reasonable structural design, strong waterproof performance, strong moisture permeability and air permeability, high comfort, meeting multiple needs, being able to withstand various weather and environments, having a wide range of applications, and having a firm and stable fabric and simple processing technology.
[0013] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structural transformation made by using the contents of the present invention description and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A waterproof fabric, characterized in that: It includes a waterproof polyester layer woven from waterproof polyester yarn with anti-siphoning effect on the outer layer, a double-sided TPU waterproof breathable membrane arranged on the inner side of the waterproof polyester layer, and a PET high-elastic yarn layer woven from PET high-elastic yarn arranged on the inner side of the double-sided TPU waterproof breathable membrane, and the waterproof polyester layer and the double-sided TPU waterproof breathable membrane, as well as the double-sided TPU waterproof breathable membrane and the PET high-elastic yarn layer are all joined by hot pressing; The double-sided TPU waterproof breathable membrane comprises a core layer, a first TPU waterproof breathable membrane arranged on the outer side of the core layer, and a second TPU waterproof breathable membrane arranged on the inner side of the core layer.
