Pine tar
Pine Tar
Pine tar (/paɪn tɑːr/) is a sticky material produced by the high temperature carbonization of pine wood in anoxic conditions (dry distillation or destructive distillation). The wood is rapidly decomposed by applying heat and pressure in a closed container; the primary resulting products are charcoal and pine tar.
Etymology
The term "tar" dates back to the Germanic word teer, which means "resin". "Pine" is derived from the Latin pinus, which refers to the pine tree. The combination "pine tar" is used to denote the specific type of tar produced from pine wood.
Uses
Pine tar has been used in medicine and shipbuilding for centuries. In medicine, it is often used as a treatment for psoriasis, eczema, and other skin conditions. It has antiseptic and anti-inflammatory properties, which can help to soothe and heal the skin. In shipbuilding, it is used as a protective coating for ropes and rigging, due to its water-repellent properties.
Related Terms
- Carbonization: The process by which organic substances are broken down into a carbon-rich material by heating them in the absence of oxygen.
- Distillation: A process that involves heating a liquid to create vapor and then cooling that vapor to create a liquid.
- Psoriasis: A chronic skin condition that causes cells to build up rapidly on the surface of the skin.
- Eczema: A condition that makes your skin red and itchy.
- Antiseptic: Substances that prevent the growth of disease-causing microorganisms.
- Anti-inflammatory: A drug or substance that reduces inflammation (swelling).
External links
- Medical encyclopedia article on Pine tar
- Wikipedia's article - Pine tar
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