Formulation of pallet wrap / stretch film

Formulation of pallet wrap/stretch film

Formulation of pallet wrap/stretch film One is to add PIB in the polymer or masterbatch, the other is blending VLDPE. PIB for the translucent viscous liquid, the direct need to add special equipment or equipment to transform, are generally used PIB masterbatch. PIB out of a process, generally three days, also affected by temperature, high temperature, high viscosity; low temperature is not too sticky, greatly reduced by the viscosity after stretching.

With the increase of the number of carbon atoms in the copolymer, the branch length and the degree of crystallinity decreased, and the "twist or kink" effect of the copolymer increases, so the elongation and puncture strength and tear strength also increase. And MPE is a highly stereoregular polymer, molecular weight distribution is very narrow, you can accurately control the physical properties of polymers, so there is further improvement in performance; and because MPE molecular weight distribution narrow, narrow processing range, processing conditions difficult to control, 5% LDPE was added to lower the melt viscosity and increase the flatness of the film. Material density also affects the properties of the film.