UV-ljus och temperatur anses vara de faktorer som svarar för den huvudsakliga nedbrytningen vid utomhusåldring av plast. I likhet med andra plaster bryts PVC ned av solljus. Den fotokemiska nedbrytningen accelereras vid höjd temperatur.
PVC creation entails a procedure known as polymerization, whereby monomers of vinyl chloride are chemically bonded to type a polymer chain. The two main different types of polymerization made use of are suspension polymerization and emulsion polymerization.
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Keep in mind, PVC board is just not specifically strong By itself, so it will require a base or aid program to circumvent bending or breaking.
塩ビは耐久性・耐薬品性・電気絶縁性などに優れている特徴から、幅広い用途で採用されています。建築資材で使われることの多い材料のため、塩ビの取扱いがない方でも目にする機会は多くあります。
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聚氯乙烯可由乙烯、氯和催化劑經取代反應製成。由於其防火耐熱作用,聚氯乙烯被廣泛用於各行各業各式各樣產品:
Untimely ventricular contractions frequently induce handful of or no indications. But the extra beats might cause uncommon sensations from the chest, for instance:
金属加工業界の未来を支える人材確保のカギとは?取り組みと課題を徹底解説
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。
In an average coronary heart rhythm, a little cluster of cells at the sinus node sends out an electrical sign. The signal then travels from the atria towards the atrioventricular (AV) node and into your ventricles, producing them to agreement and pump blood.
モノマーである塩化ビニル(クロロエチレン)を、繰り返し結合したものをポリ塩化ビニルと呼びます。
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