氯乙烯又名乙烯基氯(Vinyl chloride)是一种应用于高分子化工的重要的单体,可由乙烯或乙炔制得.为无色、易液化气体,沸点-13.9℃,临界温度142℃,临界压力5.22MPa.氯乙烯是有毒物质,肝癌与长期吸入和接触氯乙烯有关.它与空气形成爆炸混合物,爆炸极限4%～22%(体积),在压力下更易爆炸,贮运时必须注意容器的密闭及氮...
PVC is an abbreviation for polyvinyl chloride, a synthetic polymer commonly known as vinyl that has becomeone of the most widely used types of plastics today. Polyvinyl chloride manufacturers typically supply PVC compounds in two primary forms:rigid PVC (rPVC)andflexible PVC. Rigid PVC compounds a...
And for over 10 years, workers have been exposed to concentrations of vinyl chloride 10 times the "safe limit" imposed by Dow Chemical Company. plutonium 钚。 asbestos石棉。 polyvinyl chloride 聚氯乙烯。According to paragraph 3, some workers have been killed by harmful pollutants in that() A...
“Between 2010 and 2020, we expect the number of new cancer cases in the United States to go up about 24% in men to more than 1 million cases per year, and by about 21% in women to more than 900,000 cases per year.” Centers for Disease Control and Prevention (CDC), Expected New...
(poly vinyl chloride) and polyethylene can be compounded and cured to have properties that are considered rubber-like. PVC is commonly used inrubber flooring. Vulcanization is an irreversible chemical process which transforms the putty-like, dough-like, or chewing gum-like rubber into a product ...
根据第五段“Vinyl chloride, used to make the polyvinyl chloride hard plastic resin used in a variety of plastic products, is associated with increased risk of liver cancer and other cancers, according to the federal government’s National Cancer Institute. (据联邦政府国家癌症研究所称,氯乙烯用于...
Sometimes, I can’t think of ANYTHING to write about. If it’s Science History, there is no doubt:It’s one of those times…” Oooh, a poem (kinda)! 🤣 Okay, let’s get going and learn…something! The study of all living organisms that are too small to be seen with the naked...
First Place:“From Fracked Gas in Pennsylvania to Toxic Waste in Texas, Tracking Vinyl Chloride Production in the U.S.”, Kiley Bense, Inside Climate News It’s Time For The 2024 SPJ Keystone Pro Excellence In The Media Awards! Hey Pennsylvania Newsies! It’s time to put together your be...
There is no doubt about it. I have known at least one personally and all the way from his farm team days to the big time under the bright lights, it has been an incredibly trying time both physically and emotionally. Long hours away from home and family are just one of th...
百度试题 题目Vinyl chloride reacts dangerously with ___.( ) A. alkalies B. concentrated nitric acid C. saltwater D. organic acids 相关知识点: 试题来源: 解析 B