In the presence of oxygen, polyolefin is prone to oxidative degradation during high temperature processing, and its mechanical properties and electrical properties are damaged. For polyene, which is prone to oxidative degradation, in the process of polyene, adding antioxidants and heat stabilizers by means of antioxidant masterbatch, the advantages are that the antioxidants are well dispersed and added. The additives have good chemical stability and stable content, and can also simplify equipment, improve operating environment and stabilize quality.
Antioxidants can be divided into chain termination antioxidants, hydroperoxide dispersants and heavy metal ion passivators. The most commonly used combination is the combination of the first two, which can produce synergistic effects. Other components are carrier resin and dispersant. Due to the small molecular weight of the antioxidant, the degree of viscosity after melting is much lower than that of the polyethylene melt. If the dispersion is uneven, the extrusion screw will easily slip, and even the extrusion from the head cannot be granulated. The solution is to use appropriate dispersants to adjust the Mongolian degree of the other two components, or add a friction machine to overcome lubrication and achieve the purpose of smooth granulation.
2) Thermal low-value masterbatch
When high-pressure polyethylene, low-pressure polyethylene and other packaging bags are added with low calorific value masterbatch, they can be
Reduce the calorific value of waste when burning, reduce the toxic gas emitted by the burning of organic matter, and turn it into powder after burning, and automatically assimilate with the earth after environmental degradation, without polluting the environment. It is currently widely used in the Japanese market. This product is also exported to Europe, America, Australia and other countries and regions.
Such masterbatches usually contain a large amount of calcium carbonate filler (>75%)
3) Cooling masterbatch
Cooling masterbatch refers to the masterbatch that can reduce the molecular weight of polypropylene, which can reduce the spinning temperature of polypropylene by 30-50 degrees Celsius, because some polypropylenes have high molecular weight and high degree of blackness. , it is easy to decompose auxiliary agents, pigments, etc. (currently there are high-melt-index polypropylene resins specially used for spinning).
4) Fragrance masterbatch
In the past, the aromatic oil was directly added to the resin in the processing plant, due to the volatilization of the oil and the influence of the molding process. Production is neither convenient nor economical. Using the masterbatch method not only reduces the
Less waste and avoid excessive loss of fragrance. Fragrance plastic masterbatch consists of base material, and essence.
5) Agricultural blue light masterbatch
Agricultural blue light masterbatch contains light conversion agent. The principle of light conversion is to convert the short-wavelength or ultraviolet light in natural sunlight into light or blue light, infrared light or near-infrared light (with a length of 420-550nm) that is favorable for plant growth and development, thereby promoting the growth of crops. Photosynthesis increases the temperature in the shed and increases the temperature field effect.
6) Anti uv masterbatch
The progress of agricultural technology has spawned many functional films with special functions such as vegetable greenhouse films and artificial cultivation films, so people add anti-uv masterbatch to improve the life of agricultural films, which are mainly composed of light stabilizers, carrier plastics, dispersion agents, antioxidants, etc.
7) Luminous masterbatch
Luminous pigment is actually a kind of super long afterglow luminous powder, it can store energy after being irradiated by natural light, light, ultraviolet light and other light, and has strong luminous brightness, it is a new type of luminescent material. It is a rare earth aluminate with the following characteristics.
①The afterglow time is long, and it absorbs ordinary visible light (such as light and natural light) for 10 to 20 minutes to reach saturation, and can continue to emit light for more than 12 hours without a light source.
The initial brightness is high.
③ Non-toxic, harmless, non-polluting, does not contain any radioactive elements.
④ Stable performance, cycle life of more than 10 years
8) Biaxially Twisted Polypropylene (BOPP) Pearlescent Film Masterbatch
Most of the packaging of bread, candy, cold drinks, ice cream, etc. on the market use pearlescent film, but the masterbatch used in its production does not use pearlescent powder, but contains highly dry natural calcium carbonate evenly distributed in polypropylene ( PP). During the extrusion process, the tiny particles of calcium carbonate are evenly distributed, and during the biaxial stretching process, extremely fine voids are formed, making the film opaque and milky white
OUR MASTERBATCH RANGE (Click to Know More details)
* Color masterbatch
* Black masterbatch
* White masterbatch
* Additive masterbatch
* Filler masterbatch
For more types of masterbatches and solutions, please complete the product inquiry form or contact us for a product solution.
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