The modification effect of impact ACR on rigid PVC

On the shelves of the building materials market, among those plastic door and window profiles with uniform color and distinct edges, there lies a magical component that changes the fate of materials - ACR impact modifier. This white powder-like polymer additive is reshaping the performance boundaries of plastics in its unique way.

The magic of ACR stems from its exquisite core-shell structure design. The shell composed of hard polymers is like armor, providing rigid support for the material. The inner elastomer acts like a cushioning airbag, which can effectively absorb impact energy. When these "combination of rigidity and flexibility" particles are uniformly dispersed in the PVC matrix, the originally brittle and hard plastic will exhibit astonishing toughness. Experimental data show that the impact strength of PVC composites with 10%ACR added can jump from the original 6kJ/m² to over 60kJ/m², which is equivalent to a transformation from glass-like brittleness to rubber-like toughness.

This modification technology is demonstrating its value in multiple fields. In the construction industry, ACR-modified plastic doors and Windows can withstand typhoon attacks. In the field of medical devices, modified infusion bottles will not break even if they fall from a height. The automotive industry, on the other hand, utilizes it to manufacture impact-resistant components such as bumpers. What is more valuable is that, compared with traditional chlorinated polyethylene modifiers, ACR does not release harmful substances during production and use, which is fully in line with the development concept of green chemistry.

With the diversification of material demands, ACR technology is also continuously evolving. Researchers have developed weather-resistant products by adjusting the monomer ratio, ensuring that plastic products do not yellow during long-term outdoor use. The introduction of composite ACR prepared by nanomaterials has further elevated the modification efficiency to a new level. These innovations have made ACR a true "material performance regulator".

When we look at the plastic products around us that are both lightweight and sturdy, we should not forget that it is modifiers like ACR that are quietly safeguarding the safety line of the materials. This reminds us that true technological breakthroughs are often hidden in these invisible details.

Shandong AXA Chem Co.,Ltd

May 22, 2025