tetrafluoroethylene
Noun: A colorless, flammable, gaseous chemical compound (C₂F₄). It is a fluorocarbon primarily used as the monomer (building block) in the industrial production of the polymer polytetrafluoroethylene (PTFE), a well-known synthetic resin.
Tetrafluoroethylene is a specialized industrial chemical. It is not used in everyday conversation but is essential in scientific, engineering, and manufacturing contexts, particularly in the chemical and plastics industries. * The chemical plant has strict safety protocols for handling tetrafluoroethylene due to its flammability. * The polymerization of tetrafluoroethylene yields PTFE, which has remarkable non-stick and heat-resistant properties.
- Chemical Synthesis: Tetrafluoroethylene is synthesized from chloroform and hydrogen fluoride through a multi-step process.
- Monomer Role: In polymer chemistry, tetrafluoroethylene is the key monomer unit. Under specific conditions (like high pressure with a catalyst), its double bond opens to form long chains, creating the polymer PTFE.
- Polytetrafluoroethylene (PTFE) (noun): The polymer made by polymerizing tetrafluoroethylene. It is a solid, white material known for its chemical inertness, low friction, and high heat resistance. Common brand names include Teflon®.
- Fluorocarbon (noun): A general class of chemical compounds consisting of carbon and fluorine. Tetrafluoroethylene is a specific fluorocarbon.
- Monomer (noun): A molecule that can bind to other identical molecules to form a polymer. Tetrafluoroethylene is the monomer for PTFE.
- Perfluoroethylene (noun): A systematic chemical name for tetrafluoroethylene, indicating all hydrogen atoms in ethylene are replaced by fluorine ("per-" meaning completely).
- TFE (noun): A common abbreviation used in industrial and chemical contexts.
The word "tetrafluoroethylene" refers strictly to the specific gaseous compound (C₂F₄). Its primary and almost exclusive significance lies in its role as the precursor to PTFE. It does not refer to the final plastic product itself.
-
a flammable gaseous fluorocarbon used in making plastics (polytetrafluoroethylene resins)
Khám phá thêm
Các từ liên quan
Từ chứa "tetrafluoroethylene"
