I want to investigate fracture toughness of rubber toughened of PMMA with elastic plastics methods. I need RT-PMMA was be ductile so that crack grows was stable and I can control it. Do you know how percent off rubber I should be add to PMMA for have stable and ductile fracture? Is the %10 wt enough?
The improvement of toughness for polymer/rubber composites depends on rubber and matrix properties, rubber particle size as well as rubber content, process. It is hard to say a value as you asked. If you can, it is better to try different rubber concentrations.
Here, i have some papers, maybe they can help you.
Van Der Wal, A, et al. Polypropylene-rubber blends: 1. The effect of the matrix properties on the impact behaviour, Polymer,1998. They had 5 papers (part1 to 5) to deeply discuses the rubber filled polymer.
Besides the rubber quantity, you may need some compatibilizer betweeen such rubber and PMMA.
this RT-PMMA not composite
we solve rubber in MMA and put that in machine and create RT-PMMA
our material was be equal material
https://www.researchgate.net/publication/239371178_Behavior_of_particle-filled_polymer_composite_under_static_and_dynamic_loading?fulltextDialog=true
Article Behavior of particle-filled polymer composite under static a...
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