聚氯乙烯(英文为PolyVinyl Chloride,缩写:PVC)是氯乙烯经加成聚合反应得到的的高分子材料。是聚乙烯和聚丙烯之后,第三种最广泛生产的合成塑胶聚合物。 聚氯乙烯有两种基本形式:硬性和柔性。硬性形式聚氯乙烯材料可用于管道、门和窗上,它也可用于瓶子,其它非食品的包装,以及银行卡或会员卡等。它也可以制成柔软的成品,...
Polyvinyl chloride structure CAS No. 9002-86-2 Chemical Name: Polyvinyl chloride Synonyms PVC;PVC Resin;PVDC;POLY(VINYL CHLORIDE);sp60;PPVC;Bakelite;l5;Saran;ultron CBNumber: CB8294089 Molecular Formula: C2H3Cl Molecular Weight: 62.49822
Also, proton nuclear magnetic resonance (1H NMR) was used to confirm the chemical structure. Moreover, the Na2S3 was characterized by Ultraviolet鈥搗isible-near infrared (UV-VIS-NIR) spectroscopy. The results showed that, with the addition of sulfur to the PVC, the crystallinity is partly ...
Pure PVC is a brittle white solid that is insoluble in alcohol but slightly soluble in tetrahydrofuran. PVC is structurally Vinyl polymer. The chemical polyvinyl chloride formula is (C₂H₃Cl)ₙ or alternatively, it can be written as the repeating units of the monomer CH₂=CH-Cl. The...
Evidence for microbial degradation of polyvinyl chloride (PVC) has previously been reported, but little is known about the degrading strains and enzymes. Here, we isolate a PVC-degrading bacterium from the gut of insect larvae and shed light on the PVC d
Its chemical structure is shown in Fig. 5.6. Sign in to download full-size image 5.6. Polychloroprene (neoprene). Neoprene rubber has no single outstanding property, but its balance of properties is unique among the various types of synthetic rubber. It has the following properties: • Good ...
5.03.3.1.1Polyethylene/polypropylene/polyvinylchloride The products that are currently produced out of bio-based ethylene are a large variety of high-densitypolyethylene(HDPE) and linear low-density polyethylene (LLDPE). Bio-based polyethylene has exactly the same chemical, physical, and mechanical prop...
Chlorinated Polyvinyl Chloride or perchlorovinyl: It is prepared by chlorination of PVC resin. High chlorine content imparts high durability, chemical stability and flame retardancy.CPVCcan withstand a wider range of temperatures. Molecular Oriented PVC or PVC-O: It is formed by reorganizing the amo...
Vinyl chloride, the chemical used to make polyvinyl chloride (PVC), later became the basis for vinyl records and other products. Erik Kain, Forbes, 3 Nov. 2024 The plastics most commonly used in packaging are polyethylene (of various densities), polypropylene (PP), polyethylene terephthalate (PE...
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