unvulcanised
Học thuậtThân thiện
Definition
Adjective: - Not vulcanized: Describes a material, especially rubber, that has not undergone the process of vulcanization. Vulcanization is a chemical treatment that makes rubber harder, more durable, and less sticky by adding sulfur or other curatives.
Usage
This is a technical adjective used primarily in industrial, manufacturing, and materials science contexts to describe the state of rubber or similar polymers before they are treated. - It modifies nouns like "rubber," "material," or "compound." - It is the opposite of "vulcanized."
Examples
- The factory received a shipment of unvulcanised rubber sheets for processing.
- For this prototype, we need an unvulcanised compound to test its initial elasticity.
- The properties of unvulcanised natural rubber are very different from those of the finished product.
Advanced Usage
- "unvulcanised state": Refers to the raw, untreated condition of the material.
- The polymer must remain in its unvulcanised state until it is molded into the final shape.
Variants and Related Words
- Unvulcanized (adjective): The preferred spelling in American English. It has the same meaning as "unvulcanised."
- Vulcanise/Vulcanize (verb): To subject rubber to the vulcanization process.
- Vulcanisation/Vulcanization (noun): The process itself.
Synonyms
- Non-vulcanized
- Raw (in specific contexts, e.g., "raw rubber")
- Untreated (in this specific chemical context)
Antonyms
- Vulcanised/Vulcanized
- Cured (in the context of rubber processing)
Adjective
- (used of rubber) not subjected to the process of vulcanization