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PET in its most stable state is a colorless, semi-crystalline resin. However it is intrinsically slow to crystallize compared to other semicrystalline polymers. Depending on processing conditions it can be formed into either non-crystalline or crystalline articles.
Polymer strength is increased not only by extrusion, but also by blow molding, which is used in the production of plastic tanks and PET bottles. [8] Some polymers which do not crystallize from the melt, can be partially aligned by stretching. [11] Some elastomers which are amorphous in the unstrained state undergo rapid crystallization upon ...
Crystallization is a process that leads to solids with highly organized atoms or molecules, i.e. a crystal.The ordered nature of a crystalline solid can be contrasted with amorphous solids in which atoms or molecules lack regular organization.
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Strain crystallization occurs when the chains of molecules in a material become ordered during deformation activities in some polymers and elastomers. [2] The three primary factors that affect strain crystallization are the molecular structure of the polymer or elastomer, the temperature, and the deformation being applied to the material. [3]
Whether your best friend is a cat, dog, rabbit or salamander, it's undeniable that pets hold a special place in the heart. If you've got more photos on your phone of your four-legged buddy than ...
Yes, it can be a bit time-consuming, but you'll be glad you did it later. Not only can pet-proofing protect your belongings, it can also ensure your pet stays safe, too. 23. Your mental load gets ...
The stream in which PET bottles are collected varies by municipality, but always require further sorting. United States: curbside recycling to which most consumers have access. The waste hauler brings the recycled material to a material recovery facilities (MRFs) where it is further separated. The PET is then baled and sent on to a PET reclaimer.