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                                                                                                                                                                                                                    首頁 >新聞資訊 > 船用氣囊硫化的意義

                                                                                                                                                                                                                    船用氣囊硫化的意義

                                                                                                                                                                                                                    http://www.socialecardsapp.com  發表時間: 2022-02-15  來源: 正豪氣囊

                                                                                                                                                                                                                    船用氣囊生產的最后一道工序就是硫化,在這一工藝過程中船用氣囊的宏觀特征、微觀結構都發生了變化。從而獲得制品要求的物理機械性能和相應的使用性能?傊^大部分的船用氣囊必須經過硫化工序才能最終變為合格產品。

                                                                                                                                                                                                                    船用氣囊的硫化過程是在一定的溫度、時間、壓力的條件發生和完成的,這些條件稱為硫化條件或硫化三要素。

                                                                                                                                                                                                                    一、硫化的意義

                                                                                                                                                                                                                    1. 理論正硫化

                                                                                                                                                                                                                    這是指交聯程度達到最高的硫化狀態,通常是通過硫化儀進行測試,這時相對應的硫化膠的剪切模量最大。硫化膠的綜合物理機械性能指標也都達到比較高的水平。

                                                                                                                                                                                                                    2. 工藝正硫化

                                                                                                                                                                                                                    指達到最大交聯密度的90%時的硫化程度,因為考慮到試片或制品在離開 硫化熱源后存在一定熱的余量,完成剩余的交聯。對應的硫化時間用丁9。表示, 對于形狀較簡單的、厚度在6mm以下的制品其硫化時間可選用T90o

                                                                                                                                                                                                                     

                                                                                                                                                                                                                     

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