High-cohesiveness adhesive film and preparation method thereof

• Main Authors: WANG LEI, YAN SHUO, YOU QIAN, HAN XIAOHANG, WU XIAOPING, CHEN HONGYE
• Format: Patent
• Language: Chinese; English
• Published: 02.05.2023
• Subjects: ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; ADHESIVES; CHEMISTRY; DYES; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; PAINTS; POLISHES; USE OF MATERIALS AS ADHESIVES

The invention discloses a high-cohesiveness adhesive film and a preparation method thereof. The high-cohesiveness adhesive film disclosed by the invention is prepared from the following components in parts by weight: 100 parts of main resin, 0.4 to 1 part of main cross-linking agent, 0.4 to 1.3 parts of auxiliary cross-linking agent, 0.1 to 0.8 part of coupling agent, 0.1 to 1 part of tackifier and 0.1 to 0.5 part of light stabilizer, wherein the tackifier is a silane modified low molecular weight multi-olefin polymer. The high-cohesiveness adhesive film disclosed by the invention is good in cohesiveness, and the cohesiveness is not obviously attenuated after the PCT is aged. 本发明公开了一种高粘结性胶膜及其制备方法。本发明的高粘结性胶膜，按重量份计，包含如下组分：主树脂100份、主交联剂0.4-1份、助交联剂0.4-1.3份、偶联剂0.1-0.8份、增粘剂0.1-1份、光稳定剂0.1-0.5份；其中，所述增粘剂为硅烷改性低分子量多烯烃聚合物。本发明的高粘结性胶膜的粘结性好，PCT老化后粘结性能无明显衰减。