A Secret Weapon For pvc
A Secret Weapon For pvc
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همچنین محصولات فرعی وجود دارد که پروفیل‌های اکسترود شده بر پایهٔ پلی‌وینیل کلراید سخت (یو پی‌وی‌سی) با مقاومت ضربهٔ بالا و سطح خارجی سفید هستند و در ساخت در و پنجره‌هایی که در دیوارهٔ خارجی ساختمان به‌کار می‌روند، استفاده می‌گردند.
PVC generation includes a approach referred to as polymerization, whereby monomers of vinyl chloride are chemically bonded to form a polymer chain. The 2 most important sorts of polymerization applied are suspension polymerization and emulsion polymerization.
Vid temperaturer upp till 60°C är styv PVC resistent mot de flesta oorganiska vätskor inklusive moderat koncentrerade syror samt alkali och icke-oxiderande saltlösningar i alla koncentrationer.
این صفحه آخرین‌بار در ۲۳ ژانویهٔ ۲۰۲۵ ساعت ۱۵:۳۹ ویرایش شده است.
Expanded marine PVC board or expanded PVC is actually a style of PVC that has been expanded by using a Unique foaming agent to raise the thickness of the fabric though decreasing its density. The foaming agent has become A part of the look purposefully to reduce simply how much plastic is utilised.
【専門家が解説】レーザー加工でチェッカープレート(縞板)の表面に扱い傷がつく理由
Although there are actually specified programs, we wouldn't endorse an expanded PVC sheet, it remains to be significantly much better and a lot more sturdy than other comparable plastic products. For instance, it can supply many years of use when put in as an upholstery foundation or possibly a seat back again panel.
با وجود این‌که محصولات پی‌وی‌سی تولید شده‌اند یکی از بیشترین مواد سمی شیمیایی به نام دی‌اکسین را منتشر می‌کنند. محصولات پی‌وی‌سی زمانی‌که می‌سوزند یا pvc شبابيك دفن می‌شوند می‌توانند مضرانه نفوذ کنند.
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Emulsion Polymerization: In this technique, vinyl chloride monomers are emulsified in drinking water with the help of surfactants. The polymerization response is then initiated by cost-free radicals.
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PVC tillverkas genom kedjepolymerisation av vinylkloridmolekyler och kan efter användningsområden indelas i Televisionå previous:
Even though PVC has many beneficial takes advantage of, What's more, it has a big environmental effect. The manufacturing and disposal of PVC can lead to the discharge of hazardous chemical substances in to the environment. Furthermore, as a consequence of its sturdiness, PVC squander can persist inside the ecosystem for extended durations.