pvc - An Overview
pvc - An Overview
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در هر دو موقعیت پلیمر زمانی آشکار شد که جامد سفید رنگ داخل فلاسک وینیل کلراید در معرض نور آفتاب قرار گرفت.
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Nevertheless, PVC is recyclable under sure problems. It may be mechanically recycled by grinding it into small pieces, which are then melted and remolded. Occasionally, PVC can be chemically recycled, breaking it down into its constituent monomers for reuse.
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PVC was synthesized in 1872 by German chemist Eugen Baumann after extended investigation and experimentation.[12] The polymer appeared as being a white sound within a flask of vinyl chloride that were remaining with a shelf sheltered from daylight for 4 months. During the early 20th century, the Russian chemist Ivan Ostromislensky and Fritz Klatte of the German chemical business Griesheim-Elektron the two attempted to make use of PVC in commercial goods, but issues in processing the rigid, at times brittle polymer thwarted their attempts.
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PVC is principally manufactured as being a rigid or unplasticized polymer (RPVC) or as a flexible plastic (uPVC). Versatile, plasticized or frequent PVC is softer and much more amenable to bending than uPVC شباك pvc a result of the addition of plasticizers like phthalates for instance diisononyl phthalate or DINP.
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Co-stabilisatorer Synergistiska med andra stabilisatorer och kan vara polyoler, organiska fosfiter, epoxiestrar eller epoxiderade oljor
Emulsion Polymerization: In this technique, vinyl chloride monomers are emulsified in water with the help of surfactants. The polymerization reaction is then initiated by absolutely free radicals.
۱ عوامل و مزایای استفاده از کارت‌های پی‌وی‌سی ۷.۲ ابعاد کارت پی‌وی‌سی ۸ جستارهای وابسته ۹ منابع ۱۰ پیوند به بیرون تغییر وضعیت فهرست محتویات پلی‌وینیل کلراید
カレンダー成形は、シートやフィルムなどの平らな製品を成形するのに活用される加工方法です。
Electronics: Owing to its outstanding insulation Homes, PVC is usually Utilized in insulation for electrical wires and cables.