What are the functions of new silicone products on mobile phones!baby bibs silicone price

　　With the rapid development of communication equipment in recent years, smartphones have become an indispensable part of modern life. Whether it is making a phone call, taking pictures or playing games, the touch screen is a crucial human-machine interface, which combines the dual functions of display and operation. The quality of the screen has naturally become one of the key factors when people buy.

　　As many smartphones are expensive, it is increasingly important to protect their high-quality screens from scratches and bumps during use. When the mobile phone leaves the factory, the manufacturer usually sticks a layer of film on the surface of the screen to prevent damage to the screen caused by scratches and bumps that may occur during the transportation or sale of the mobile phone. And most consumers will tear off this simple protective film and then paste a layer of self-adhesive protective film (e.g. tempered film) after getting a new mobile phone, so as to prevent the huge impact or hot cigarette butts when the mobile phone is accidentally dropped. Fatal damage to the screen when accidentally touched. The silicone pressure-sensitive adhesive has a wide range of applications in this thin and tough protective film.

　　The touch screen of smartphones and tablets is a very important human-machine interface, serving as both a display and an operation panel. The pasted tempered film is generally coated with pressure-sensitive adhesive (PSA). A suitable pressure-sensitive adhesive can help the protective film to be pasted to the screen surface by lightly pressing during lamination, and make it complete in the later stage. Peel off the screen surface without damaging the screen.

　　The protective film is usually a multi-layer "sandwich" structure, and the specific properties of each layer of the adhesive depend on its structure and chemical composition. Among them, the pressure-sensitive adhesive layer played a key role

　　Pressure-sensitive adhesives are mainly divided into acrylic, PU adhesives and silicones. The thickness is usually 15 to 25 mm. The function is to bond the polyester film in the middle layer and the tempered film on the surface, and at the same time, the whole protective film is tightly attached to the smartphone. screen surface.

　　Different types of pressure-sensitive adhesives have very different chemical and physical properties. In order to achieve perfect fit in the early stage and complete peeling in the later stage, silicone-type pressure-sensitive adhesives have many advantages.

　　Silicone pressure-sensitive adhesive has a good exhaust effect, which can help the tempered film to be firmly adsorbed on the screen surface

　　WACKER's new DEHESIVE PSA 765 is ideal for protecting smart devices.

　　Excellent venting performance, good curing effect, good operability, good moisture resistance, weather resistance and aging resistance, excellent leveling performance, good bonding effect on objects with low surface energy

　　The viscosity and curing properties of WACKER silicone pressure-sensitive adhesives are precisely matched to ensure a fast processing process. At the same time, the excellent venting and leveling properties allow the protective film to adhere to the screen surface without unpleasant air bubbles. In addition, the good weather resistance prevents the protective film from yellowing even if it is used for a long time under high or low temperature conditions.

　　Professional and customized services WACKER Technology Centers can test the chemical and physical properties of silicone product coatings. Silicone pressure sensitive adhesive is a multi-component system composed of high and low adhesion main agent, various additives and platinum catalyst. DEHESIVE® PSA 765 performs well on a variety of PET film surfaces, and formulations can be tailored to the specific requirements of protective film manufacturers.

　　Broad application prospects

　　WACKER also cleverly functionalizes silicones in order to take advantage of their unique advantages. For example, special chemical groups are introduced to give silicone pressure-sensitive adhesives different adhesion. The key lies in their chemical structure. The highly branched silicone resin chains can improve the adhesion of silicone pressure-sensitive adhesives by increasing the degree of cross-linking of the entire system.

　　This opens up wider application prospects for DEHESIVE® PSA 765 protective film coatings: During the production of displays, the protective films used to protect different components from damage require different adhesions, and our goal was to develop A product line that provides self-adhesive protective film solutions for different applications.

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