Polyester and acrylic

Polyester and acrylic are both synthetic fibers, but they differ in terms of properties, uses, and performance. Here's a comparison of the two:

Polyester is another a synthetic fiber, one that has gotten a lot of flack. Its comparatively cheap production has made it a popular inclusion in clothing as a way to cut down on the costs of cotton production, which has not endeared this cheap synthetic to clothing and fashion enthusiasts!

Polyester is made through the chemical reaction between a petroleum-based alcohol (ethylene glycol) and an acid. The fibers are made through melt-spinning, where the plastic is heated and run through spinnerets, and are then processed in different ways to create varying thickness and lengths of fiber.

Properties:

Durability: Polyester is highly durable, resistant to stretching, shrinking, and abrasion. It can withstand repeated washing and wear without losing its shape or structure.

Moisture Resistance: It has low moisture absorption, which makes it quick-drying and resistant to mold and mildew. However, this also means it can feel less breathable than natural fibers.

Wrinkle Resistance: Polyester is wrinkle-resistant, making it ideal for clothing and fabrics that need to maintain a smooth appearance with little maintenance.

Heat Sensitivity: Polyester can melt when exposed to high temperatures, so it is important to avoid high heat when ironing or washing.

Uses:

Clothing: Polyester is commonly used in activewear, casual clothing, and outerwear due to its strength, durability, and ability to maintain its shape.

Home Furnishings: It is popular in upholstery, curtains, and bedding for its stain resistance and ease of care.

Technical Applications: Polyester is used in industrial fabrics, ropes, and safety belts because of its tensile strength and durability.

Acrylic is a synthetic (man-made) fiber which is not sourced from nature (unlike cotton, linen, wool, etc.). It is primarily composed of polyacrylonitrile, a synthetic polymer resin.

Acrylic comes in a few different compositions, as the criteria of being considered acrylic is only to contain at least 85% acrylonitrile as the main monomer. That means acrylic can be manufactured to have slightly different characteristics.

Properties:

Softness: Acrylic is softer and more wool-like than polyester, making it a popular substitute for wool in sweaters, scarves, and blankets. It provides warmth and comfort with a texture that mimics natural fibers.

Lightweight: Acrylic is lightweight, which contributes to its warmth-to-weight ratio. It can provide insulation without feeling heavy or bulky.

Moisture Absorption: Acrylic absorbs moisture more than polyester but less than natural fibers like cotton or wool. It dries faster than wool, but slower than polyester.

Color Fastness: Acrylic fibers hold dye well, resulting in vibrant colors that are resistant to fading even after repeated washing.

Pilling: Acrylic can be prone to pilling over time, especially in high-friction areas, which may affect its appearance with long-term use.

Uses:

Knitwear: Acrylic is widely used in making sweaters, hats, gloves, and blankets due to its warmth and wool-like texture.

Home Furnishings: It is also used in home textiles like throw blankets and rugs because of its soft texture and insulating properties.

Outdoor Gear: Acrylic fibers are sometimes used in outdoor fabrics and gear, such as awnings and tarps, for their weather resistance.

Durability: Polyester is more durable and resistant to wear than acrylic, making it better suited for high-usage items like activewear or industrial fabrics.

Texture and Warmth: Acrylic is softer and warmer, making it a better option for clothing and home furnishings designed for comfort and insulation.

Moisture Handling: Polyester is more moisture-resistant and dries quicker, while acrylic absorbs more moisture but still dries faster than wool.

Applications: Polyester is often used in performance-focused items, while acrylic is preferred for soft, warm textiles that mimic wool.