The effect of polyethylene wax on the processability of color masterbatches:
Polyethylene wax plays a significant role in the processing of color masterbatches. Its incorporation serves multiple functions, primarily enhancing the processing characteristics of the color masterbatch system while also facilitating the effective dispersion of pigments. By integrating polyethylene wax, the interaction between carbon black aggregates and the masterbatch is improved, as it enhances the wetting and penetration of these aggregates. Additionally, the shear forces generated during processing contribute to a reduction in the particle size of carbon black, thereby improving the overall compatibility of the system with carbon black and promoting better dispersion throughout the mixture.
Producing polyethylene wax by thermal cracking:
There are two various procedures to thermal cracking of polyethylene.
1.Pyrolysis
2.Catalytic cracking
The pyrolysis reaction needs to be carried out at a high temperature of 500 to 900 °C; the operating temperature is high, and the heat demand increases sharply because the pyrolysis is an endothermic reaction The catalytic-cracking method uses a catalyst, which can reduce the activation energy required for the reaction, so that the plastic is cracked at a lower reaction temperature The use of suitable catalysts can narrow the distribution of reaction products, improve the selectivity of target products, and reduce subsequent separation and processing procedures.
KIA WAX CR110P
Cracked low density Polyethylene Wax
KIA WAX CR115HP
Cracked low density Polyethylene Wax
KIA WAX CR112PR
Cracked low density Polyethylene Wax
KIA WAX LP90
Refined Polyethylene Wax
KIA WAX REH 95
Refined Polyethylene Wax
KIA WAX REH105
Refined Polyethylene Wax
KIA WAX REH112SH
Refined Polyethylene Wax
What is cracked wax?
To convert polyolefines such as PE and PP to Wax, a thermal or catalytic cracking process is employed. Thermal cracking of polymers is a complex process that involve random scission, depolymerization, and side group elimination leading to changes in polymer molecular weight. polyolfine waxes Because of it’s low molecular weight has like physical characteristics that include properties such as low viscosity, high hardness (brittleness) and relatively high melt point.
The role of PE wax on cloud point of hot melt adhesives
The cloud point is the temperature where the molten adhesives starts to appear turbid upon cooling due to crystallization and is also measure of compatibility between individual component in formulation.
Turbidity arises due to the scattering of light because of the formation crystallinites.
Polyethylene wax is an integral part in the the formulation of hot melt adhesive, which facilitates low setting point, high cloud point
In fact, polyethylene wax can increase the point of hot melt adhesives by increasing crystallinity
The effect of polyethylene wax on processability of UHMWPE:
Among polymeric materials, ultrahigh molecular weight polyethylene (UHMWPE) is considered the best choice for medical and light-weight engineering applications in the construction and automotive industriesSince the UHMWPE has high molecular weight, its melt flow index is considered very high. So, the preparation of highly oriented materials by using injection, blow, extrusion molding, or melt spinning technology will be very difficult based on this quality of UHMWPEThe addition of polyethylene wax (PE-wax) that has a low molecular weight to the UHMWPE matrix is suggested to be very important for improving the drawing process and the mechanical properties through self-enhancement because it will bring down the melt viscosity value and facilitate the melt processing. The ability of PE-wax to act as a solvent for the UHMWPE leads to an