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is pvc the same as rubber
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The term "surgery for PVC" likely refers to treatments for Premature Ventricular Contractions, a type of abnormal heart rhythm. Surgical intervention is rarely the first line of treatment; instead, management often includes lifestyle changes, medications like beta-blockers, or procedures such as catheter ablation. Catheter ablation, the closest to "surgery," involves threading a catheter to the heart to destroy small areas of tissue causing the irregular beats. It's usually considered when PVCs are frequent, symptomatic, and don't respond to medication, or if they exacerbate underlying heart conditions.
Polyvinyl Chloride (PVC) is a highly versatile polymer widely used in various applications due to its remarkable properties. Firstly, it boasts excellent durability and resistance to environmental factors such as moisture, chemicals, and corrosion, making it suitable for outdoor and industrial uses. PVC is also known for its electrical insulation capabilities, which is essential in electrical cable insulation. Moreover, it is lightweight yet strong, contributing to ease of transportation and installation without compromising on structural integrity. Additionally, PVC offers cost-efficiency, being relatively cheaper than other materials with similar properties. It's easily moldable, allowing for a wide range of products from construction materials to everyday items. Furthermore, advances in recycling technologies have enhanced PVC's sustainability aspect, making it a more eco-friendly option.
An oligomer polymer is a molecule that bridges the gap between small molecules and high molecular weight polymers. It is formed by the chemical joining of a few (typically two to ten) monomer units. Unlike polymers, which consist of long, repeating chains of monomers, oligomers have a well-defined structure and a lower degree of polymerization. This intermediate size imbues oligomers with unique physical and chemical properties, making them crucial in various applications, such as in the fabrication of plastics, resins, and as intermediates in the synthesis of high polymers. Oligomers play a significant role in materials science, particularly in the development of new materials with tailored properties.
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