Why is a plasticizer added to the PLA? 1. Reducing Brittleness Why: Pure PLA has a high glass transition temperature (Tg) of around 5560°C and low elongation at break (typically 210%). This makes it prone to cracking or shattering under stress, especially in thin films or molded parts. How Plasticizers Help: They lower the Tg by increasing molecular mobility within the polymer chains, making PLA less stiff and more deformable without breaking. For example, adding 1020% of a plasticizer like glyc
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In the plasticizer industry, a solution for the extraction of 60 parts of DOTP In the plasticizer industry, 60 parts of DOTP (dioctyl terephthalate) will precipitate in PVC or other polymer materials (Migration or Exudation) Solution: 1. Insufficient compatibility between plasticizer and resin Solution: Reduce the amount of DOTP (such as adjusting to less than 50 parts), or compound with a more compatible plasticizer (such as phthalates). Select lowpolymerization PVC (such as SG5 type) to improv
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