Pine tar: Difference between revisions
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'''Pine tar''' is a form of [[tar]] produced by the high temperature [[carbonization]] of [[pine]] wood in [[Hypoxia (environmental)|anoxic]] conditions (dry distillation or [[destructive distillation]]). The wood is rapidly [[pyrolysis|decomposed by applying heat]] and pressure in a closed container; the primary resulting products are [[charcoal]] and pine [[tar]]. |
'''Pine tar''' is a form of [[wood tar]] produced by the high temperature [[carbonization]] of [[pine]] wood in [[Hypoxia (environmental)|anoxic]] conditions (dry distillation or [[destructive distillation]]). The wood is rapidly [[pyrolysis|decomposed by applying heat]] and pressure in a closed container; the primary resulting products are [[charcoal]] and pine [[tar]]. |
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Pine tar consists primarily of [[aromatic hydrocarbons]], tar acids, and tar bases. Components of tar vary according to the [[pyrolysis|pyrolytic]] process (e.g. method, duration, temperature) and origin of the wood (e.g. age of pine trees, type of soil, and moisture conditions during tree growth). The choice of wood, design of [[kiln]], burning, and collection of the tar can vary. Only pine stumps and roots are used in the traditional production of pine tar.{{ |
Pine tar consists primarily of [[aromatic hydrocarbons]], tar acids, and tar bases. Components of tar vary according to the [[pyrolysis|pyrolytic]] process (e.g. method, duration, temperature) and origin of the wood (e.g. age of pine trees, type of soil, and moisture conditions during tree growth). The choice of wood, design of [[kiln]], burning, and collection of the tar can vary. Only pine stumps and roots are used in the traditional production of pine tar.{{citation needed|date=April 2018}} |
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Pine tar has a long history as a wood preservative, as a wood sealant for maritime use, in [[roofing construction]] and maintenance, in [[soap]]s, and in the treatment of [[carbuncle]]s and [[dermatology|skin diseases]], such as [[psoriasis]], [[eczema]], and [[rosacea]]. It is used in [[baseball]] to enhance the grip of a |
Pine tar has a long history as a wood preservative, as a wood sealant for maritime use, in [[roofing construction]] and maintenance, in [[soap]]s, and in the treatment of [[carbuncle]]s and [[dermatology|skin diseases]], such as [[psoriasis]], [[eczema]], and [[rosacea]]. It is used in [[baseball]] to enhance the grip of a hitter's bat; it is also sometimes used by [[pitcher]]s to improve their grip on the ball, in violation of the rules.<ref>{{cite news |url=https://www.espn.com/new-york/mlb/story/_/id/10833864/michael-pineda-new-york-yankees-banned-10-games-mlb |title=Michael Pineda suspended 10 games |first=Wallace |last=Matthews |website=ESPN.com |date=April 24, 2014 |access-date=June 12, 2021}}</ref> |
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==History== |
==History== |
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Pine tar has long been used in Scandinavian nations as a preservative for wood which may be exposed to harsh conditions, including outdoor furniture and ship decking and rigging. The high-grade pine tar used in this application is often called '''Stockholm |
Pine tar has long been used in Scandinavian nations as a preservative for wood which may be exposed to harsh conditions, including outdoor furniture and ship decking and rigging. The high-grade pine tar used in this application is often called '''Stockholm tar'''<ref>{{cite web | title = Stockholm Tar | publisher = MedicAnimal.com | url = http://www.medicanimal.com/product/~product_id=3072?gclid=CMe1hbPvy7ICFeXMtAodrCIAJg | access-date = 23 September 2012 | archive-url = https://web.archive.org/web/20140419220113/http://www.medicanimal.com/product/~product_id=3072?gclid=CMe1hbPvy7ICFeXMtAodrCIAJg | archive-date = 19 April 2014 | url-status = dead }}</ref> since, for many years, a single company held a [[royal monopoly]] on its export out of [[Stockholm, Sweden]].<ref name="kayeweb">{{cite web|title=Pine Tar; History And Uses|author=Theodore P. Kaye|url=http://www.maritime.org/conf/conf-kaye-tar.htm|publisher=San Francisco Maritime Park Association|access-date=2010-08-01}}</ref> It is also known as "[[Arkhangelsk|Archangel]] Tar".<ref name="EB1911-Tar">{{cite EB1911|wstitle= Tar | volume= 26 | page = 414: see second para |quote= Wood Tar.—Wood tar, known also as Stockholm and as Archangel tar, is....." }}</ref> Tar and [[Pitch (resin)|pitch]] for maritime use was in such demand that it became an important export for the American colonies, which had extensive pine forests. North Carolinians became known as "[[Tar Heel]]s."{{citation needed|date=April 2018}} |
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==Use== |
==Use== |
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Pine tar was used as a preservative on the bottoms of traditional [[Nordic ski|Nordic-style skis]] until modern synthetic materials replaced wood in their construction. It also helped waxes adhere, which aided such skis’ grip and glide. |
Pine tar was used as a preservative on the bottoms of traditional [[Nordic ski|Nordic-style skis]] until modern synthetic materials replaced wood in their construction. It also helped waxes adhere, which aided such skis’ grip and glide. |
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Pine tar is widely used as a [[veterinary]] care product,<ref name=MerckVet>{{cite web|last1=Wickstrom|first1=Mark|title=Phenols and Related Compounds|url=http://www.merckvetmanual.com/mvm/pharmacology/antiseptics_and_disinfectants/phenols_and_related_compounds.html|website=The Merck Veterinary Manual|publisher=Merck Manuals|access-date=16 April 2015}}</ref> particularly as an [[antiseptic]] and [[hoof]] care treatment for horses and cattle.<ref name=MerckVet/> It also has been used when chickens start pecking the [[pecking order|low hen]].<ref name="Bryant">{{cite book|title=Chickens: A Step-by-Step Guide to Raising and Keeping Hens|author=Laura Bryant|url=https://books.google.com/books?id=TSHuHuZ0H9cC&q=pine%20tar%20hen%20pecking&pg=PT72|publisher=Cedar Fort, Inc.|access-date=2018-02-26|isbn=9781462103409}}</ref> Applying a smear of pine tar on the hens' wound acts as a natural germicidal/antibacterial agent that discourages continued attacks on the affected hen due to its foreign texture.<ref name="Bryant" |
Pine tar is widely used as a [[veterinary]] care product,<ref name=MerckVet>{{cite web|last1=Wickstrom|first1=Mark|title=Phenols and Related Compounds|url=http://www.merckvetmanual.com/mvm/pharmacology/antiseptics_and_disinfectants/phenols_and_related_compounds.html|website=The Merck Veterinary Manual|publisher=Merck Manuals|access-date=16 April 2015}}</ref> particularly as an [[antiseptic]] and [[hoof]] care treatment for horses and cattle.<ref name=MerckVet/> It also has been used when chickens start pecking the [[pecking order|low hen]].<ref name="Bryant">{{cite book|title=Chickens: A Step-by-Step Guide to Raising and Keeping Hens|author=Laura Bryant|url=https://books.google.com/books?id=TSHuHuZ0H9cC&q=pine%20tar%20hen%20pecking&pg=PT72|publisher=Cedar Fort, Inc.|access-date=2018-02-26|isbn=9781462103409}}</ref> Applying a smear of pine tar on the hens' wound acts as a natural germicidal/antibacterial agent that discourages continued attacks on the affected hen due to its foreign texture.<ref name="Bryant"/> |
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Pine tar is used as a softening solvent in the rubber industry, for treating and fabricating construction materials, and in special paints. |
Pine tar is used as a softening solvent in the rubber industry, for treating and fabricating construction materials, and in special paints. |
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===As a wood preservative=== |
===As a wood preservative=== |
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Pine tar is combined with gum [[turpentine]] and boiled [[linseed oil]] to create a wood preservative. First, a thin coat is applied using a mixture with a greater proportion of turpentine. This allows it to permeate deeper into the [[oakum]] and fibre of the wood and lets the tar seep into any pinholes and larger gaps that might be in the planks. The tar weeps out to the exterior and indicates where the boat needs the most attention.{{how}} This is followed with a thicker standard mix. Such treatments, while effective, must be continually reapplied. |
Pine tar is combined with gum [[turpentine]] and boiled [[linseed oil]] to create a wood preservative. First, a thin coat is applied using a mixture with a greater proportion of turpentine. This allows it to permeate deeper into the [[oakum]] and fibre of the wood and lets the tar seep into any pinholes and larger gaps that might be in the planks. The tar weeps out to the exterior and indicates where the boat needs the most attention.{{how|date=May 2021|where and when did boats come into this?}} This is followed with a thicker standard mix. Such treatments, while effective, must be continually reapplied. |
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===Weatherproofing rope=== |
===Weatherproofing rope=== |
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Pine tar is applied to the handles of [[baseball bats]] to improve a batter's grip. |
Pine tar is applied to the handles of [[baseball bats]] to improve a batter's grip. |
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Rule 1.10(c) of the 2002 [[Official rules of Major League Baseball]] restricts application to the lower 18 inches of a bat. The most famous example of the rule being applied is the [[Pine Tar Incident]], which occurred during the July 24, 1983 game between the [[Kansas City Royals]] and [[New York Yankees]] |
Rule 1.10(c) of the 2002 [[Official rules of Major League Baseball]] restricts application to the lower 18 inches of a bat. The most famous example of the rule being applied is the [[Pine Tar Incident]], which occurred during the July 24, 1983 game between the [[Kansas City Royals]] and [[New York Yankees]] which resulted in a [[George Brett]] go-ahead home run in the ninth inning being nullified and the game being protested. |
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Pine tar is also sometimes used illegally by pitchers to improve their grip on the ball in cold weather. This is not allowed due to a regulation prohibiting the application of any foreign substance to a ball (except grip-improving [[ |
Pine tar is also sometimes used illegally by pitchers to improve their grip on the ball in cold weather. This is not allowed due to a regulation prohibiting the application of any foreign substance to a ball (except grip-improving [[baseball rubbing mud]] applied by the umpires). |
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===Medical=== |
===Medical=== |
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Pine tar has historically been used for treating skin conditions, usually as an additive in cold process solid soap or lotions.<ref name=":0">{{Cite journal|last1=Barnes|first1=Tanya M.|last2=Greive|first2=Kerryn A.|date=2017|title=Topical pine tar: History, properties and use as a treatment for common skin conditions|journal=Australasian Journal of Dermatology|language=en|volume=58|issue=2|pages=80–85|doi=10.1111/ajd.12427|issn=1440-0960|pmc=5434829|pmid=26790564}}</ref> Due to the high presence of phenol in the early manufacturing of pine tar, it was deemed carcinogenic. However, now much of the phenol has been removed. Pine tar was banned by the FDA along with many other ingredients categorized as over the counter drugs, due to a lack of evidence of safety and effectiveness for the specific uses named.<ref> |
Pine tar has historically been used for treating skin conditions, usually as an additive in cold process solid soap or lotions.<ref name=":0">{{Cite journal|last1=Barnes|first1=Tanya M.|last2=Greive|first2=Kerryn A.|date=2017|title=Topical pine tar: History, properties and use as a treatment for common skin conditions|journal=Australasian Journal of Dermatology|language=en|volume=58|issue=2|pages=80–85|doi=10.1111/ajd.12427|issn=1440-0960|pmc=5434829|pmid=26790564}}</ref> Due to the high presence of phenol in the early manufacturing of pine tar, it was deemed carcinogenic. However, now much of the phenol has been removed. Pine tar was banned by the FDA along with many other ingredients categorized as over the counter drugs, due to a lack of evidence of safety and effectiveness for the specific uses named.<ref>[https://www.govinfo.gov/app/details/CFR-2019-title21-vol5/CFR-2019-title21-vol5-sec310-545, Drug products containing certain active ingredients offered over-the-counter (OTC) for certain uses. 14CFR310.545]</ref> However, clinical tests in Australia in 2017 demonstrated that the greatest risk comes from acute sensitivity for those with severe dermatological conditions, and if it comes in contact with the eyes.<ref name=":0" /> The number of positive reactions for wood tars was not significantly greater than those for other common allergens. In addition, the concentration of pine tar in topical products available in Australia is up to 2.3%, which is up to four times less than that tested in these studies. |
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Pine tar has been used to cover peck wounds in captive bird flocks such as chickens, to prevent continued pecking on a wound and cannibalism.<ref name="Damerow2010">{{cite book|author=Gail Damerow|title=Guide to Raising Chickens|url=https://archive.org/details/isbn_9781603424691|url-access=registration|date=1 January 2010|publisher=Storey Publishing, LLC|isbn=978-1-60342-469-1|page=[https://archive.org/details/isbn_9781603424691/page/121 121]}}</ref> |
Pine tar has been used to cover peck wounds in captive bird flocks such as chickens, to prevent continued pecking on a wound and cannibalism.<ref name="Damerow2010">{{cite book|author=Gail Damerow|title=Guide to Raising Chickens|url=https://archive.org/details/isbn_9781603424691|url-access=registration|date=1 January 2010|publisher=Storey Publishing, LLC|isbn=978-1-60342-469-1|page=[https://archive.org/details/isbn_9781603424691/page/121 121]}}</ref> Pine tar is also used in veterinary medicine as an expectorant and an antiseptic in chronic skin conditions.<ref name="Merck">''Merck Index'', 11th Edition, '''7417'''. p. 1182</ref> |
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Pine tar is also used in veterinary medicine as an expectorant and an antiseptic in chronic skin conditions.<ref name="Merck">''Merck Index'', 11th Edition, '''7417'''. p. 1182</ref> |
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==See also== |
==See also== |
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*[[Coal tar]] |
*[[Coal tar]] |
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*[[Creosote]] |
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*[[Tarpaulin]] |
*[[Tarpaulin]] |
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*[[Tarring and feathering]] (punishment) |
*[[Tarring and feathering]] (punishment) |
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==References== |
==References== |
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{{reflist}} |
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<references /> |
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*{{cite web |title=C&L Inventory |url=https://echa.europa.eu/information-on-chemicals/cl-inventory-database/-/discli/details/63217 |website=echa.europa.eu}} |
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==External links== |
==External links== |
Revision as of 07:48, 12 July 2024
![]() | |
Names | |
---|---|
Other names
Pine tar oil, Wood tar oil
| |
Identifiers | |
ChemSpider |
|
ECHA InfoCard | 100.029.429 |
EC Number |
|
KEGG | |
PubChem CID
|
|
UNII | |
CompTox Dashboard (EPA)
|
|
Properties | |
Appearance | Blackish-brown viscous liquid |
Density | 1.01–1.06 |
Boiling point | 150 to 400 °C (302 to 752 °F; 423 to 673 K) |
Slightly | |
Solubility | alc, chloroform, ether, acetone, glacial acetic acid, fixed/volatile oils, solutions of caustic alkalies |
Pharmacology | |
Topical | |
Hazards | |
GHS labelling: | |
![]() | |
Warning | |
H317, H412 | |
NFPA 704 (fire diamond) | |
Flash point | 90 °C (194 °F; 363 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
|
Pine tar is a form of wood tar 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.
Pine tar consists primarily of aromatic hydrocarbons, tar acids, and tar bases. Components of tar vary according to the pyrolytic process (e.g. method, duration, temperature) and origin of the wood (e.g. age of pine trees, type of soil, and moisture conditions during tree growth). The choice of wood, design of kiln, burning, and collection of the tar can vary. Only pine stumps and roots are used in the traditional production of pine tar.[citation needed]
Pine tar has a long history as a wood preservative, as a wood sealant for maritime use, in roofing construction and maintenance, in soaps, and in the treatment of carbuncles and skin diseases, such as psoriasis, eczema, and rosacea. It is used in baseball to enhance the grip of a hitter's bat; it is also sometimes used by pitchers to improve their grip on the ball, in violation of the rules.[1]
History
Pine tar has long been used in Scandinavian nations as a preservative for wood which may be exposed to harsh conditions, including outdoor furniture and ship decking and rigging. The high-grade pine tar used in this application is often called Stockholm tar[2] since, for many years, a single company held a royal monopoly on its export out of Stockholm, Sweden.[3] It is also known as "Archangel Tar".[4] Tar and pitch for maritime use was in such demand that it became an important export for the American colonies, which had extensive pine forests. North Carolinians became known as "Tar Heels."[citation needed]
Use
Pine tar was used as a preservative on the bottoms of traditional Nordic-style skis until modern synthetic materials replaced wood in their construction. It also helped waxes adhere, which aided such skis’ grip and glide.
Pine tar is widely used as a veterinary care product,[5] particularly as an antiseptic and hoof care treatment for horses and cattle.[5] It also has been used when chickens start pecking the low hen.[6] Applying a smear of pine tar on the hens' wound acts as a natural germicidal/antibacterial agent that discourages continued attacks on the affected hen due to its foreign texture.[6]
Pine tar is used as a softening solvent in the rubber industry, for treating and fabricating construction materials, and in special paints.
As a wood preservative
Pine tar is combined with gum turpentine and boiled linseed oil to create a wood preservative. First, a thin coat is applied using a mixture with a greater proportion of turpentine. This allows it to permeate deeper into the oakum and fibre of the wood and lets the tar seep into any pinholes and larger gaps that might be in the planks. The tar weeps out to the exterior and indicates where the boat needs the most attention.[how?] This is followed with a thicker standard mix. Such treatments, while effective, must be continually reapplied.
Weatherproofing rope
Traditionally, hemp and other natural fibers were the norm for rope production. Such rope would quickly rot when exposed to rain, and was typically tarred to preserve it. The tar would stain the hands of ship's crews, and British Navy seamen became known as "tars."
Baseball
![](http://upload.wikimedia.org/wikipedia/commons/thumb/1/12/Pine-tar_bat.jpg/170px-Pine-tar_bat.jpg)
Pine tar is applied to the handles of baseball bats to improve a batter's grip.
Rule 1.10(c) of the 2002 Official rules of Major League Baseball restricts application to the lower 18 inches of a bat. The most famous example of the rule being applied is the Pine Tar Incident, which occurred during the July 24, 1983 game between the Kansas City Royals and New York Yankees which resulted in a George Brett go-ahead home run in the ninth inning being nullified and the game being protested.
Pine tar is also sometimes used illegally by pitchers to improve their grip on the ball in cold weather. This is not allowed due to a regulation prohibiting the application of any foreign substance to a ball (except grip-improving baseball rubbing mud applied by the umpires).
Medical
Pine tar has historically been used for treating skin conditions, usually as an additive in cold process solid soap or lotions.[7] Due to the high presence of phenol in the early manufacturing of pine tar, it was deemed carcinogenic. However, now much of the phenol has been removed. Pine tar was banned by the FDA along with many other ingredients categorized as over the counter drugs, due to a lack of evidence of safety and effectiveness for the specific uses named.[8] However, clinical tests in Australia in 2017 demonstrated that the greatest risk comes from acute sensitivity for those with severe dermatological conditions, and if it comes in contact with the eyes.[7] The number of positive reactions for wood tars was not significantly greater than those for other common allergens. In addition, the concentration of pine tar in topical products available in Australia is up to 2.3%, which is up to four times less than that tested in these studies.
Pine tar has been used to cover peck wounds in captive bird flocks such as chickens, to prevent continued pecking on a wound and cannibalism.[9] Pine tar is also used in veterinary medicine as an expectorant and an antiseptic in chronic skin conditions.[10]
See also
- Coal tar
- Creosote
- Tarpaulin
- Tarring and feathering (punishment)
References
- ^ Matthews, Wallace (April 24, 2014). "Michael Pineda suspended 10 games". ESPN.com. Retrieved June 12, 2021.
- ^ "Stockholm Tar". MedicAnimal.com. Archived from the original on 19 April 2014. Retrieved 23 September 2012.
- ^ Theodore P. Kaye. "Pine Tar; History And Uses". San Francisco Maritime Park Association. Retrieved 2010-08-01.
- ^ Chisholm, Hugh, ed. (1911). . Encyclopædia Britannica. Vol. 26 (11th ed.). Cambridge University Press. p. 414: see second para.
Wood Tar.—Wood tar, known also as Stockholm and as Archangel tar, is....."
- ^ a b Wickstrom, Mark. "Phenols and Related Compounds". The Merck Veterinary Manual. Merck Manuals. Retrieved 16 April 2015.
- ^ a b Laura Bryant. Chickens: A Step-by-Step Guide to Raising and Keeping Hens. Cedar Fort, Inc. ISBN 9781462103409. Retrieved 2018-02-26.
- ^ a b Barnes, Tanya M.; Greive, Kerryn A. (2017). "Topical pine tar: History, properties and use as a treatment for common skin conditions". Australasian Journal of Dermatology. 58 (2): 80–85. doi:10.1111/ajd.12427. ISSN 1440-0960. PMC 5434829. PMID 26790564.
- ^ Drug products containing certain active ingredients offered over-the-counter (OTC) for certain uses. 14CFR310.545
- ^ Gail Damerow (1 January 2010). Guide to Raising Chickens. Storey Publishing, LLC. p. 121. ISBN 978-1-60342-469-1.
- ^ Merck Index, 11th Edition, 7417. p. 1182
- "C&L Inventory". echa.europa.eu.
External links
![](http://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/40px-Wiktionary-logo-en-v2.svg.png)