Material Analysis
4 조회수
Aging/Performance Decay of Biaxially Oriented Polypropylene Film Products
문제 현상
The performance of the product gradually declines during long-term use or in outdoor environments, showing phenomena such as discoloration and embrittlement.
원인 분석
(1) Ultraviolet irradiation causes photo-aging of the material and breakage of molecular chains
(2) Thermal oxidative aging: the material oxidizes and degrades in a high-temperature environment
(3) Contact with chemical media causes chemical aging
(4) The product is stressed for a long time, causing fatigue aging
(5) The weather resistance of the material itself is insufficient
해결 방법
(1) Add antioxidants and ultraviolet absorbers
(2) Coat the product surface with a protective coating
(3) Avoid long-term exposure to ultraviolet rays and high-temperature environments
(4) Select a material grade with good weather resistance
(5) Regularly check the condition of the product
핵심 요약
Product aging is caused by environmental factors; adding stabilizers and surface protection is the key.
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