What are the influencing factors of silicon residue rate? -technical knowledge
What are the influencing factors of silicon residue rate? Source: Protective film factory direct sales Release time: 2019-07-24 Hits: 892 1. Incomplete resin curing, the presence of single molecules, oligomers, additives, etc., seriously affect the residual adhesion rate 2. Resin, solvent and other polarity It does not match the polarity of the film surface, and the interface bonding force is poor. 3. The catalyst is poisoned or partially poisoned, and the degree of organic silicon crosslinking does not meet the requirements. Although the residual adhesion rate test apparently meets the requirements, the subsequent silicon/film interface is due to the incomplete reaction. With the extension of storage time, it gradually falls off, which seriously affects the quality of medium and terminal products that have been stored for a long time! 4. UV-curable silicone release film, the degree of curing can reach 93~96%, uncured monomer or resin remains in the release layer, and about 1/4~1/3 of the photosensitizer does not initiate reaction. There are about 5 to 6% of small molecules in the release system. The presence of these small molecules will greatly affect the storage stability of the UV-curable release film and the quality and safety of the product. Foshan Bowei Environmental Protection Material Co., Ltd. is an electronic material supplier with 20 years of experience. It can produce PET film with various functions, such as: sub-(matte) PET film, flame-retardant (fire-resistant) PET film, inkjet printing Film, anti-static PET film, anti-fog PET film, anti-UV PET film, non-shrinking PET film, PET release film, optical PET film, etc. Interested parties welcome to inquire!