PPA polymer processing aids is a general term for several types of materials used to improve the processing and handling properties of high molecular weight polymers. Mainly in the melt state of the polymer matrix to play a role in reducing the polymer melt viscosity. However, compared with traditional lubricants, processing aids have the advantages of high efficiency and low addition volume. In addition, PPA polymer processing aids have the role of eliminating melt rupture, improve the mouth of the mould material, clean up the screw dead-end material.
In recent years, the expansion of polyolefin and engineering thermoplastic resin applications has contributed to the rapid development of novel and efficient additives. Fluoropolymer processing aids are very common processing aids in the market, and fluorinated PPA processing aids have excellent ability to improve processing performance and a wide range of applications. However, due to environmental factors, some countries have proposed a ban on fluorine. When ingested by animals, PFAS can accumulate and become toxic in living organisms, affecting the immune system, reproductive system, disrupting the endocrine system, affecting the growth and development of infants, causing liver damage, and may increase the risk of thyroid disease, kidney cancer, high blood pressure, testicular cancer, and other diseases, and is potentially carcinogenic.
SILIKE PFAS-free PPA processing aids, PFAS and fluorine-free alternatives solutions
SILIKE R&D team has responded to the trend of the times and invested a lot of energy in using the latest technological means and innovative thinking to successfully develop PFAS-free polymer processing aids (PPAs), which makes a positive contribution to environmental protection and sustainable development. While ensuring the processing performance and quality of materials, it avoids the environmental and health risks that traditional PFAS compounds may bring. SILIKE PFAS-free polymer processing aids (PPA) not only comply with the draft PFAS limitations made public by ECHA but also provide a safe and reliable alternative to our customers.
Functions of SILIKE PFAS-free PPA processing aids
1. Adding SILIKE PFAS-free PPA processing aids SILIMER 9300 in small amounts improves the processing rheology of low melt index resins.
2. Eliminate melt fracture phenomenon during blow moulding processing, improve processing stability, and improve the ‘sharkskin’ phenomenon on the surface of products.
3. Reduce die build-up at the mouth of the mould, reduce the phenomenon of uneven film thickness. Clean up the dead corner of the equipment, reduce the film crystal point, improve film quality.
4. In the processing of LDPE / LLDPE blended film, you can increase the proportion of LLDPE added to improve film tensile strength and reduce production costs.
5. Reduce the extrusion pressure when processing plastics, reduce energy consumption, reduce mechanical wear and tear, reduce the overall cost of film processing. In the same product quality and energy consumption conditions, significantly improve production efficiency.
6. Remove impurities in the screw and equipment, and extend the cleaning cycle of the equipment.
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