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Polyester blended yarn, as one of the core products of the modern textile industry, is that it combines the excellent characteristics of different fibers through exquisite blending methods to create a new material that combines beauty, comfort and functionality.
1. Physical blending: a classic combination of complementary advantages
Physical blending, that is, two or more different fibers are mixed in a certain proportion before spinning, and then spinning together into a single yarn. This is the most common and basic blending method, aiming to make full use of the advantages and disadvantages of each fiber to achieve complementary performance.
1. Blending of polyester and natural fibers
Polyester/Cotton, T/C or CVC: This is the most classic way to blend. Polyester fiber imparts excellent strength, wear resistance, clarity and easy to handle the yarn, while overcoming the disadvantages of wrinkling, shrinking and not wear-resistant pure cotton fabrics. Cotton fibers bring soft touch, good moisture absorption and breathability to the blended yarn. According to the ratio of polyester to cotton, it can be divided into polyester and less cotton (T/C) and cotton more and less polyester (CVC). T/C yarn is crisp and durable, and is often used in shirts and workwear; CVC yarn is closer to the touch of pure cotton and has good hygroscopicity, and is often used in casual T-shirts and underwear.
Polyester and wool blend (Polyester/Wool, T/W): Wool is known for its warmth, drape and elasticity, but it is expensive and prone to shrinkage and insect damage. The addition of polyester not only greatly reduces the cost, but also improves the wear resistance, wrinkle resistance and dimensional stability of the yarn. T/W blended yarn is often used in high-end fabrics such as suits, coats, and uniforms, which not only retains the natural and luxurious feeling of wool, but also enhances practicality.
Polyester and linen blend (Polyester/Linen): Hemp fibers (such as linen, ramie) have a unique cool and rough texture, but they feel hard and wrinkle easily. After polyester and hemp are blended, it can effectively improve the finish, softness and wrinkle resistance of the yarn, while retaining the breathable and moisture-absorbing characteristics of hemp fiber. It is an ideal choice for casual clothing and home textile fabrics in summer.
2. Blending of polyester and regenerated cellulose fibers
Polyester and Viscose Blend (Polyester/Viscose, T/R): Viscose fiber has a soft feel, good luster, strong hygroscopicity, but is strong and low in wetness and easy to deform. The infusion of polyester makes up for these shortcomings, making the yarn both drape and comfort of viscose, as well as the strength and durability of polyester. T/R blended yarn is often used to make women's clothing, shirts, dresses, etc., and its smooth and drape characteristics are deeply loved by the market.
Polyester blends with modal, tensil and other: These new regenerated cellulose fibers are highly favored for their excellent softness, luster and hygroscopicity. Blend with polyester, the yarn combines the durability of polyester with the luxurious feel of new fibers, becoming an innovative choice for high-end lingerie, sportswear and fashion fabrics.
2. Chemical blending: a new realm of functionality and aesthetics
Chemical blending, also known as composite spinning, refers to the joint spinning of two or more different polymers in a melt or solution state during the spinning process. This approach allows different fibers to be closely linked at the microscopic level, resulting in unique properties.
1. Composite spinning of polyester and functional polymers
Moisture-absorbing and perspiration blending: Copolymerizes the hydrophilic polymer with polyester to form a fine capillary structure inside the fibers, thereby achieving rapid conduction and evaporation of moisture. This yarn is the core material of professional sportswear and outdoor clothing, which can keep the skin dry and comfortable.
Antibacterial and anti-odor blending: Add nanosilver, copper ions or antibacterial agents with antibacterial functions during the polyester polymerization process, so that the yarn itself has a long-lasting antibacterial and anti-odor function. This type of yarn is widely used in underwear, socks, and medical and health products.
UV-resistant blending: By adding anti-UV absorber to polyester, the yarn can effectively block UV rays, providing additional protection for outdoor clothing.
2. Blending of polyester and other synthetic fibers
Polyester and nylon blend (Polyester/Nylon): Nylon is known for its super wear resistance and elasticity. The blend of polyester and nylon is often used in socks, sportswear, outdoor equipment and other products that require extremely high durability and elasticity, achieving a perfect combination of lightness and strength.
Polyester and Spandex blend (Polyester/Spandex): Spandex provides excellent elasticity, but cannot be spinned alone. The coating or blend of polyester and spandex makes the fabric have excellent stretching and recovery properties, and is a must-have choice for making tights, swimsuits, stretch pants and other products.
3. Comprehensive application and future trends of blending methods
In addition to a single physical or chemical blend, modern textile technology also tends to combine multiple blending methods to meet the increasingly segmented needs of the market. For example, if polyester/cotton physically blended yarn is coated with spandex, a fabric that is both comfortable, crisp and elastic can be obtained; polyester and bamboo fiber blending have both the durability of polyester and the antibacterial and environmentally friendly properties of bamboo fiber.
