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液態pmma凝固時會產生什么氣體

相關標簽:柏力開米 PMMA、美國Omni Plastics PMMA、美國Boltaron PMMA塑膠顆粒、沖擊改性 PMMA、靜態導電 PMMA、型材擠出成型 PMMA塑膠顆粒

默認情況下,PMMA的熔點只是物理形式的變化,不會產生任何氣體。但是,由于不完全交聯,可能會殘留少量的MMA單體。加熱時,MMA單體蒸發到空氣中并被吸入肺部。我們經常說丙烯酸的塑料味道就是MMA的味道。 。以上文獻若需轉載請備注出處:pbt塑料 //shanglikaiguan.cn/

延伸閱讀—PMMA 美國三菱麗陽 ShinkoLite-P UT-200應用案列
透明,耐熱,高光澤,耐候,抗化學性 其它 注塑,擠出
管道,條材
透明,光澤度高,抗沖擊性好,氣味極低或無,耐化學性好,耐候,耐熱性高,尺寸穩定性好,流動性好
參考數據
性能項目 試驗條件[狀態] 測試方法 測試數據
比重 ASTM D792 1.19 g/cm3
熔融指數 ASTM D1238 230℃,3.8kg 2.4 g/10min
成型收縮率 ASTM D955 流動 0.2-0.5 %
吸水率 ASTM D570 24小時 1.8 %
洛氏硬度 ASTM D785 R計稱 101
拉伸強度 ASTM D638 斷裂 76.6 MPa
拉伸伸長率 ASTM D638 斷裂 5.0 %
彎曲模量 ASTM D790 3190 MPa
彎曲強度 ASTM D790 118 MPa
懸臂梁缺口沖擊強度 ASTM D256 6.35mm 14.7 J/m
熱變形溫度 ASTM D648 1.8MPa,未退火 115
折射率 ASTM D542 1.500
透射率 ASTM D1003 93 %
混濁 ASTM D1003 0.30 %
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