The development history of waterproof and breathable fabrics

Classification:
Oil and water repellent fabric

In order to prevent rain a long time ago, people used natural products such as tung oil and linseed oil to coat cloth or paper to make airtight oilcloth and oil paper to achieve waterproof Effective, but very hard and has poor durability. After the discovery of rubber, rubber-coated cloth was made. Although it was softer, it was still not breathable and very uncomfortable to wear. In order to solve the problem of breathability, many hydrophobic treatment agents have been invented, such as early aluminum soap waterproofing agents, paraffin emulsions, etc. Now ordinary raincoats are treated with hydrophobic agents. Recently, hydrophobic agents such as organic silicon and organic fluorine have better performance. Excellent and more widely used. This kind of ordinary fabric is treated with a hydrophobic agent to become a waterproof fabric, which is currently called a type of waterproof fabric.

The emergence of polymer industrial synthetic materials in the 1960s produced many polymer coatings, such as chloroprene rubber, vinyl resin, polyacrylic acid resin, polyurethane resin, etc. At the same time, the synthetic fiber industry developed at the same time and provided Fabrics such as pure nylon with high strength and light weight are used as the base fabric to make the coatedwaterproof fabric light and soft. This product was very popular on the market more than ten years ago. popular. Since the coating formula varies with the polymer, various additives can be added. Therefore, there are many varieties that can be endowed with various excellent properties such as low temperature resistance, oil resistance, and mildew resistance. Some add hydrophilic substances to increase air permeability, further improving practical performance. In recent years, polymer theory and synthesis technology have made great progress, and ultra-thin polymer membranes with micropores can be manufactured, which can be combined with fabrics using bonding or lamination technology, such as polytetrafluoroethylene microporous membranes and nylon fabrics. Laminated into composite materials, the fabric remains soft, lightweight, breathable and waterproof. These are called second-category waterproof fabrics.

In the early 1980s, a breathable and waterproof fabric made of high-density fabric appeared on the market. It completely maintains the natural appearance of the fiber fabric, does not require hydrophobic agent finishing, and is not covered with coatings or films. Therefore, it has a good hand feel, soft style and wearability. excellent.

Limited production of waterproof fabric Has the following characteristics:

1. Excellent waterproof performance;

2. The fabric is full of color and bright;

3. Environmentally friendly, safe and non-toxic, low formaldehyde content;

4. Good washing resistance and excellent flame retardant properties after washing;

5. Good breathability and moisture permeability, comfortable to wear;

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