The best Side of pvc

The best Side of pvc

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今回の記事では塩ビについての特徴・加工方法・用途などについて解説します。

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The polymers are linear and therefore are sturdy. The monomers are mainly arranged head-to-tail, that means that chloride is situated on alternating carbon centres. PVC has primarily an atactic stereochemistry, which suggests the relative stereochemistry of your chloride centres are random. Some degree of syndiotacticity on the chain gives a couple of per cent crystallinity that may be influential on the Homes of the fabric.

About 50 percent of the earth's PVC manufacturing capability is in China, despite the closure of numerous Chinese PVC vegetation resulting from difficulties complying with environmental polices and poor capacities of scale.

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This can make it extremely easy to handle and do the job with. So, even though You're not the strongest person, you won’t discover it as well hard to transfer it around when building improvements on the boat.

پیش از قرن بیستم شیمیدان روسی ایوان استرا میسلنسکی و فریتز کلیت از کمپانی گریشم الکترون شیمی آلمان هر دو تلاش کردند تا پی‌وی‌سی را در محصولات تجاری به‌کار گیرند اما مشکلات در فرایند، سختی و گاهی شکنندگی پلیمر تلاش‌های آن‌ها را بی‌نتیجه می‌گذاشت.

Co-stabilisatorer Synergistiska med andra stabilisatorer och kan vara polyoler, organiska fosfiter, epoxiestrar eller epoxiderade oljor

上図はドクターナイフ法と呼ばれる方式で、厚みの調節が自由に行えます。表面に凹凸の模様を入れるエンボス加工にも対応が可能です。

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コーティング加工は、繊維材料などに樹脂溶液を塗布して熱乾燥処理する加工方法です。

در دنیای امروز کارت‌های پی‌وی‌سی کاربرد زیادی در زندگی روزانهٔ مردم دارند؛ زیرا این کارت‌ها برای خرید، عبور و مرور، حمل و نقل عمومی (مترو یا اتوبوس)، بانک و … مورد استفاده قرار می‌گیرند.