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Q polyester resin used for
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SandyChrist Release Time: June 22, 2024, 1:16 PM
Examining the orientation of film interference plays a crucial role in determining the perceived phase shift of light waves that pass through or reflect off a film. This phase shift. caused by the disparity between the optical path length and the reflected light waves from the film’s top and bottom surfaces. can be influenced by various factors. For example. when light reflects off a medium with a higher refractive index than its incident medium. it undergoes a half-wavelength 180 degree phase shift. On the other hand. no phase shift occurs when light reflects from a medium with a lower refractive index. Additionally. as the angle of incidence increases. so does the distance that light travels through the film. thus altering the effective optical range difference and resulting in changes to the observed phase shift. These optical range differences are especially important in applications such as anti-reflective coatings or enhanced reflective surfaces. where carefully controllin...
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Q what is polyester dobby
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AbelJenkin Release Time: April 28, 2024, 4:49 AM
Polyester elastane, also known as spandex or lycra, is a synthetic fabric blend that combines the durability and moisture-wicking properties of polyester with the stretch and recovery capabilities of elastane. This blend creates a material that is both strong and flexible, making it ideal for a wide range of applications from athletic wear to swimwear and fashion garments. The polyester component ensures the fabric is resistant to wrinkles, shrinking, and abrasion, while the elastane allows for significant stretch, enhancing the comfort and fit of garments made from this material. Its versatility and performance characteristics have made polyester elastane a popular choice in both the sports and fashion industries.
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