Body pressure sensitive adhesive film is attached to the surface of car paint by polymeric material

Body pressure sensitive adhesive film

Pressure sensitive adhesive coating of the body is attached to the surface of the car paint by polymeric materials, so as to protect the original paint and decorate the body. It can be easily removed at any time, which is in sharp contrast to the chemical changes of the traditional glaze, coating, spray painting, and other paint surfaces. The auto-body coating is a high-performance and low-viscosity PVC film designed for auto-body coating. It has the properties of fully fitting the paint and interior surfaces of various substrates and has many advantages such as more convenient construction, flexibility, durability, chemical corrosion resistance, light permeability, and so on.

It can effectively ensure accurate, seamless, and bubble-free coating when facing the tortuous body surface in the construction process. It will not cause damage to the car paint. On the contrary, it will fully protect the original paint of the vehicle. At present, the car coating substrate is used in the market as long as there are PVC and PU two materials. PVC material car clothing film because of its cheap price, ease to use, in the mainstream position in the market, but because there are a lot of plasticizers in PVC substrate, after aging, migration to the pressure sensitive adhesive film, resulting in a sharp reduction of adhesive cohesion-layer, in the stripping of residual glue.

Plasticizers added to PVC can reduce the intermolecular chain force so that the glass transition temperature of PVC plastic, flow temperature, and the melting point of the microcrystals are reduced, plasticizer can improve the plasticity of resin, soft products, low-temperature resistance performance.

As long as there are plasticizers currently used in PVC, fatty acid esters, such as dioctyl adipate (DOA): Diiso-decyl metal hydrate (DIDA), dioctyl azelaic acid (D0Z), dioctyl sebacate (DBS), dioctyl sebacate (DOS), disco-octyl sebacate (DIOS), di-(2-methyl butyric acid) trimethylene glycol ester (3GH); Phthalates, such as dioctyl phthalate (DOP), disco-octyl phthalate (DIOP), disco-decyl phthalate (DIDP), disco-nonyl phthalate (DINP), dibutyl phthalate (DBP), diisobutyl phthalate (DIBP), butyl benzyl phthalate (BBP), Dimethyl phthalate (DMP), diethyl phthalate (DEP), dicyclohexyl phthalate (DCHP), dioctyl terephthalate (DOTP) pressure sensitive adhesive is used in various fields of daily life, different fields have different requirements for pressure sensitive adhesive.

In the field of automotive automotive clothing, the pressure sensitive adhesive requirements have excellent aging resistance, and can not produce residual glue when stripping. With appropriate peeling force, when the construction of the film, if you find that the paste is not correct, you can timely, easy to tear off the heavy paste, paste, in the bending surface, and the corner is not easy to tilt the head.