WebThe Association of German Engineers, VDI, embarked on defining and describing what is considered a medical-grade plastic and have published their guideline (VDI 2024: 2024 … WebPolymers are the long chain macromolecules that are made up of many repeating units called monomers. The concept of polymers was first introduced by a German chemist, …
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WebSemi-synthetic polymers are those that are derived from nature itself but are made to undergo chemical processes to enhance their quality. Some semi-synthetic polymers … WebView Question. The two monomers for the synthesis of Nylon 6, 6 are. Poly $$\beta $$ –hydroxybutyrate-co-$$\beta $$-hydroxyvalerate (PHBV) is a copolymer of. View Question. The homopolymer formed from 4-hydroxy-butanoic acid is : View Question. The correct … can king attack queen
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WebApr 11, 2024 · Transistor-based biochemical sensors feature easy integration with electronic circuits and non-invasive real-time detection. They have been widely used in intelligent wearable devices, electronic skins, and biological analyses and have shown broad application prospects in intelligent medical detection. Field-effect transistor (FET) … WebJan 24, 2024 · Chemical Properties of a Polymer. 1. Bonding and reactivity – The strong covalent bond and other weak forces such as hydrogen bonding between the particles of … WebJun 16, 2024 · The polymers, a word that we hear about it a lot, is very vital and one cannot imagine the life without it. Polymers, a large class of materials, consist of many small molecules named monomers that are linked together to form long chains and are used in a lot of products and goods that we use in daily life. 1 Since many years, people used … fix a glass pipe hole