1. Application of силиконовая добавка
The role and application of silicone additives in PP (polypropylene) injection molded parts are multifaceted, which can significantly improve the processing performance of materials and the quality of final products.
1. * * Improve Processing Performance * *: Silicone additives can effectively improve the processing performance of PP, including increasing mixing rate, flowability, filling ability, and demolding ability, reducing mold head accumulation, lowering friction coefficient, thereby improving production efficiency and extending the service life of processing equipment.
2. * * Improving dispersibility * *: Silicone additives can improve the dispersibility of pigments and fillers in PP, providing good stability and non migration.
3. * * Improve melting rate and deformability * *: Silicone additives help to increase the melting rate and deformability of PP, reduce viscosity, improve plasticizing effect, and prevent melt cracking.
4. * * Improving physical performance * *: By using silicone additives, the surface smoothness, glossiness, tactile sensation, wear resistance, corrosion resistance, and aging resistance of PP products can be improved, and the elongation and suspension beam impact strength can be increased.
5. * * Flame retardant effect * *: When silicone additives are mixed with certain organic metal salts, they can improve the flame retardant effect of PP, accelerate the generation of carbon layer, and prevent the formation of smoke and the development of flames.
6. * * Environmental Characteristics * *: Silicone additives, as environmentally friendly additives, comply with EU environmental standards and are suitable for plastic products that need to meet environmental requirements.
7. * * Application Fields * *: Silicone additives are widely used in various thermoplastic materials such as PP, PE, EVA, ABS, etc., suitable for halogen-free flame-retardant cable materials, high-end shoe soles, plastic insulation seals, large injection molded parts, thin-walled and complex plastic parts, plastic pipes and other fields.
8. * * Usage * *: In plastic processing, silicone additives can be used as flow promoters, anti caking agents, synergistic flame retardants, lubricants, hydrophobic agents, release agents, etc., to improve the impact resistance, lubricity, dispersibility, flame retardancy, and droplet resistance of plastics.
Through these effects, the application of silicone additives in PP injection molded parts helps to improve the overall performance and processing efficiency of the product.
2. Advantages of silicone additive
The application of silicone additives in PP injection molded parts can significantly improve the processing performance of materials and the quality of final products. Regarding the specific addition amount and proportion of silicone additives in PP injection molded parts, according to search results, the addition amount of such additives is usually low to achieve the modification effect.
For example, silicone masterbatch, as a safe and environmentally friendly additive for modified PP, is usually added at a ratio of 2-3% of the total system. In addition, ultra-high molecular weight silicone additives can significantly improve the flow rate of the melt and enhance the fire resistance properties of the material with a small amount of addition.
For example, high content of flame retardants (such as ATH) in high filled polypropylene and EVA can significantly increase the flow rate of the melt with a small amount of addition.
When determining the amount and proportion of silicone masterbatch, specific application requirements and performance requirements of PP injection molded parts need to be considered. For example, if the goal is to improve processing performance and surface properties, it may be necessary to determine the optimal addition amount based on experiments.
At the same time, the amount of additives added can also affect costs, so it is necessary to consider economics while meeting performance requirements.
In practical applications, it is recommended to collaborate with material suppliers or professional technicians to determine the most suitable amount and proportion of additives for specific applications through experimentation.
The application of silicone additives in PP injection molded parts not only improves processing performance and surface properties, but also has the following potential application advantages:
1. * * Wear resistance improvement * *: Silicone additives can significantly improve the wear resistance and scratch resistance of PP injection molded parts, which is particularly important for manufacturing high-end shoe soles, plastic shoe soles, and other products. It can extend the service life of products and improve their performance.
2. * * Flame retardant performance * *: When silicone additives are blended with certain organic metal salts, they can improve the flame retardant effect of PP materials, accelerate the generation of carbon layers, prevent the formation of smoke and the spread of flames, which is crucial for applications such as halogen-free flame-retardant cable materials.
3. * * Thermal stability and aging resistance * *: Silicone materials themselves have excellent heat resistance and aging resistance, and adding them to PP injection molded parts can improve the performance and service life of products in high temperature environments.
4. * * Environmental Characteristics * *: Silicone masterbatch, as environmentally friendly additives, comply with EU environmental standards and are an important advantage for plastic products that need to meet environmental requirements.
5. * * Improve melting rate and flowability * *: Silicone additives can increase the melting rate and deformability of PP materials, reduce viscosity, and improve plasticization effect, which is very helpful for the flow and filling of materials during injection molding.
6. * * Improve the physical properties of the product * *: Silicone additives can increase the elongation and suspension impact strength of PP injection molded parts, thereby enhancing their physical properties.
7. * * Synergistic effect * *: When silicone additives are blended with other flame retardants, a synergistic effect may occur, further improving the flame retardancy of PP materials.
8. Scratch resistant additive: Silicone additives can be used as scratch resistant additives to improve the appearance of products, reduce the surface friction coefficient of products, and enhance production efficiency.
