Back coating in textiles refers to a finishing process where a layer of coating material is applied to the backside of a fabric. This coating is typically a polymer-based substance that enhances the fabric's performance and appearance. The purpose of back coating is to impart specific properties to the fabric, such as increased strength, stability, water resistance, flame retardancy, or the ability to be bonded to other materials.
The back coating process involves applying a liquid or paste-like coating material to the backside of the fabric and then curing or drying it to form a solid, flexible layer. The coating can be applied using various methods, including roller coating, screen printing, knife coating, or spraying. Once the coating is dry, it forms a thin film that adheres to the fabric's back surface.
Back coating offers several advantages in textile applications. One of the primary benefits is improved dimensional stability. By adding a coating to the back of a fabric, it becomes less prone to stretching, shrinking, or distorting during use or after washing. This is especially important for fabrics used in upholstery, automotive interiors, or other applications where dimensional stability is crucial.
Another significant advantage of back coating is the enhancement of fabric strength. The coating acts as a protective barrier that reinforces the fabric and makes it more resistant to tearing, abrasion, and general wear and tear. This is beneficial for fabrics used in heavy-duty applications, such as industrial workwear, outdoor gear, and luggage.
Back coating can also provide specific functional properties to fabrics. For instance, a water-resistant or waterproof coating can be applied to make fabrics suitable for raincoats, tents, or outdoor furniture. Flame-retardant coatings can be used in applications where fire safety is critical, such as curtains, upholstery, or protective clothing.
In terms of top users and manufacturers of back-coated textiles, the market is vast and includes a range of industries. In the automotive sector, manufacturers use back-coated fabrics for car interiors, seating, and headliners, as they provide durability and resistance to moisture. In the outdoor industry, companies producing camping gear, backpacks, and performance apparel often utilize back-coated textiles for their enhanced strength and water-resistant properties.
In the upholstery and home furnishing sector, back-coated fabrics find applications in furniture upholstery, curtains, and drapes. They offer improved stability and can also provide additional features such as stain resistance or flame retardancy. Additionally, the industrial sector uses back-coated textiles for applications such as protective clothing, conveyor belts, and filtration materials.
Numerous textile manufacturers specialize in producing back-coated fabrics. Some notable names in the industry include Milliken & Company, Trelleborg Coated Systems, Spradling International, and Morbern. These companies have developed expertise in formulating and applying specialized coatings to various fabric substrates, catering to specific market needs. They often work closely with end-users to develop customized solutions that meet the required performance specifications.
In conclusion, back coating is a finishing process in the textile industry that involves applying a coating material to the backside of a fabric. This process enhances the fabric's properties, such as dimensional stability, strength, water resistance, and flame retardancy. It finds applications in various industries, including automotive, outdoor gear, upholstery, and industrial sectors. Prominent textile manufacturers specializing in back-coated fabrics collaborate with end-users to provide customized solutions that meet specific performance requirements.
An adhesive compound applied for the purpose of locking pile yarn tufts into a carpet backing, bonding a secondary backing to a primary backing, increasing the fabric body or stiffness, and increasing dimensional stability.
Fabric treated with sizing on the back only to give added weight, strength and opacity.