| 环氧树脂封装模具清模胶的制备及其清模效果评价 |
| Preparation of Mold Cleaning Rubber for Epoxy Packaging Mold and Evaluation of Its Cleaning Effect |
| 投稿时间：2019-05-13 修订日期：2019-05-14 |
| DOI：10.12136/j.issn.1000-890X.2019.11.0848 |
| 中文关键词: 封装模具 环氧树脂 清模胶 清模剂 粘合强度 溶胀性 评价方法 |
| 英文关键词: packaging mold epoxy resin mold cleaning rubber cleaning agent bonding strength swelling property evaluation method |
| 基金项目: |
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| 中文摘要: |
| 以天然橡胶和顺丁橡胶为主体材料，采用新型清模剂制备用于环氧树脂封装模具的清模胶，并从清模剂的释放特性、清模胶与环氧树脂的粘合强度、清模剂胶对环氧树脂的溶胀性三方面进行评价。结果表明：与硫黄/交联剂BIPB清模胶相比，交联剂BIPB清模胶中的清模剂更容易散逸出来，其具有较好的清模效果；清模胶与环氧树脂的粘合强度和溶胀性主要受硫化温度和硫化时间的影响，适当延长硫化时间有利于提高清模胶与环氧树脂的粘合强度，从而改善清模效果。 |
| 英文摘要: |
| The mold cleaning rubber for epoxy resin packaging mold was prepared using natural rubber
and butadiene rubber as the main material with new mold cleaning agent，and the release characteristics of
mold cleaning agent，the bonding strength of mold cleaning rubber and epoxy resin，the swelling of epoxy
resin by the mold cleaning rubber were evaluated. The results showed that compared with the mold cleaning
rubber with sulfur/crosslinking agent BIPB，the rubber containing only BIPB had a better cleaning effect
due to the easy diffusion of the cleaning agent. The bonding strength and swelling property between mold
cleaning rubber and epoxy resin were mainly affected by the curing temperature and curing time. Prolonging
the curing time was beneficial to improving the bonding strength and thereby improving the cleaning effect. |
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