又為何橡皮筋放久了會融化? 網友說明因為橡皮筋製作過程中,通常會添加硫,化學作用形成的交叉鏈接會減少黏性、硬化橡膠,隨著時間氧氣和紫外線的接觸,會產生活性自由基使天然橡膠中的聚異戊二烯鏈斷成更小片段,橡皮筋會變成硫化前的軟黏狀,像被融化般,…
Quote saved.
Login to quote this blog
Failed to save quote. Please try again later.
You cannot quote because this article is private.