CAJ | 학술논문

介绍一种适用于薄膜袋真空负压成型的新材料———聚乙烯醇薄膜。以聚乙烯醇为主要成膜物质，研究了增塑剂和成膜温度对聚乙烯醇薄膜性能的影响。研究表明：甘油为增塑剂，其用量在0．3％～0．5％之间，干燥温度60～70℃，聚乙烯醇薄膜的抗拉强度达35．83M Pa ，撕裂强度达10．83M Pa ，其在丙烯酸树脂中具有良好的延伸性，与模型服帖紧密、造型准确且分离型好。
개소일충괄용우박막대진공부압성형적신재료———취을희순박막。이취을희순위주요성막물질，연구료증소제화성막온도대취을희순박막성능적영향。연구표명：감유위증소제，기용량재0．3％～0．5％지간，간조온도60～70℃，취을희순박막적항랍강도체35．83M Pa ，시렬강도체10．83M Pa ，기재병희산수지중구유량호적연신성，여모형복첩긴밀、조형준학차분리형호。
A new kind of material‐Polyvinyl alcohol film is suitable for film bag vacuum mold‐ing .In this experiment ,the effect of plasticizer and film forming temperature on the properties of polyvinyl alcohol film is studied .The research show ed that :w hen the dosage of the glycerol as the plasticizer is between 0 .3% ~ 0 .5% ,and drying at room temperature ,the tensile strength of PVA film is 35 .83MPa ,and the tear strength is 10 .83MPa .Furthermore ,the PVA film has a good extensibility in acrylic resin ,and the film fits the model closely ,model‐ing accurately and demoulding easily .