Properties and Application Prospects of PVC Blister Film

PVC blister film is widely used in furniture, cabinets and cabinets and other industries. It can not only be attached to the surface, but also can be packaged without containers. It is convenient and fast to process, has good shaping effect, and has a bright and clean appearance. It does not need to be painted on the surface, its water resistance is quite good, it is also anti-corrosion, and it is easy to clean. It is a good environmental protection material. Blister is a kind of plastic processing technology. The main principle is that after heating and softening the flat plastic sheet, it is vacuum adsorbed on the surface of the mold, and then formed after cooling. It is widely used in plastic packaging, lighting, advertising, decoration and other industries. The vacuum blister film process is widely used in the manufacture of computer desks, speaker panels, cabinets, doors and furniture, and is widely used in the processing and manufacturing of automotive interior parts. PVC blister film is not easy to fold white, shrinkage is relatively small, compared with other products, there are few crystal impurities, and it has good flatness, clear color, good waterproof and moisture-proof performance, good flame retardant performance, good weather resistance, Strong resistance to stamping, wear resistance, good blister flat laying effect, if exposed to indoor and outdoor, it is not easy to fade, vacuum blister does not eliminate lines, no white edges and so on. Vacuum blister processing has developed rapidly. 45% of MDF in Japan is covered with vacuum blister; my country's PVC composite processed MDF has reached 30 million m2, and it is growing at a rate of more than 8% every year. The vacuum blister adopts spraying and sizing, so the viscosity of the vacuum blister adhesive is required to be moderate, which can adapt to the changes of winter and summer weather, and can realize spray atomization. Vacuum absorbing plastic mainly has the following characteristics: good flowability, clean surface without pitting after blistering. High solids content and fast drying. Good heat aging performance, at least at 60 ℃, after 24h baking, the film does not curl, shrink, or foam. The initial viscosity is good, and the initial viscosity of the suction plastic is particularly required at the grooves and edges. The activation temperature is low. The use of water-based polyurethane adhesive must have an activation temperature. The activation temperature is required to be in the range of 55 to 65 °C. If the temperature is too high, the PVC film is easy to perforate. Its application prospects are also very broad: (1) because the product is relatively free to choose (there are as many as 215 types, and the specifications can be freely customized according to the needs of customers, no surface painting is required, which saves money to a certain extent. processing costs). (2) It is more convenient to clean, suitable for all households, and has become the mainstream panel of European cabinets, and has gradually been sought after by domestic users. It is also a new type of environmentally friendly decorative material. (3) The shape is good, the surface is bright and beautiful, the color is rich, the color is pure and bright, and the wood grain is realistic. (4) It has strong water resistance, strong corrosion resistance, and is very scratch-resistant, and can be guaranteed not to deteriorate after long-term use. The above is an introduction to the performance and application prospects of PVC blister film, and I hope it will be helpful to everyone.

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