Showing posts with label chanvre. Show all posts
Showing posts with label chanvre. Show all posts

Wednesday, January 14, 2015

Hemp article in Your True Colours

This is the article I wrote that appeared in the latest issue of Your True Colours Magazine:

http://www.yourtruecolours.biz



Hemp is today a hard to get item. The consumer that once purchased items made from it now can get  clothes made from cotton, paper made from trees, medicine  made from manmade chemicals, and oil sourced from fish livers. Textiles, paper, medicine and edible oils are but a few of the products that hemp provides; it is a simple-to-grow plant that can be cultivated on all continents save the Antarctic. Part of the whole enigma is that hemp is a plant of great varietal variability, lending itself even to experimentation as the great Russian plant geneticist Vavilov proclaimed. Thus it can produce tall slender stems with high cellulose fibre, or it can grow short and branched with many flowers which can contain high levels of THC and other cannabinoids. These compounds make some strains valuable to medicine and also appealing to marijuana smokers; most strains do not provide much in the way of medicine of drugs, but there is such a volume of literature on the marijuana culture that the general public at times associates all hemp with marijuana. There is also a large body of literature on hemp as an industrial plant, spanning centuries.
 
In the not too distant past, entire nations, empires to wit, depended on its availability; Russia, the chief supplier in the 17th-19th centuries, sold to both the British and the American navies.  Britain and America themselves grew at that time no small amount, and both nation's legislators expressed alarm at the rate of expenditure on foreign hemp for their military. The superior quality and price of Russian hemp, however, ensured that Western powers relied on Russia's. Thus it was once the world's most traded commodity and cultivated nearly worldwide not only for its commercial value, but for the fact that many of its products, in addition to rope and sails, were necessary to survival; Thomas Jefferson, for instance, exhorted it be grown for the wealth and defense of the colonies. Over a century after his advice, the United States was eager to cultivate this crop and produced a film in WWII titled "Hemp for Victory." The threat to rope supplies in the Pacific prompted the legislature to make sure that American farmers were able and willing to plant hemp.

With the advent of metal ships running on steam and petroleum sails became almost obsolete, and abaca from the Philippines replaced hempen cordage on modern ships. Despite a dramatic downturn in demand in the maritime industry, this plant continued to be grown into the 20th century, providing a range of products from paper to food. It excelled in both of these categories, as its long and strong fibres interlocked perfectly for long lasting paper (the oldest existing fragment of paper is 2,000 years old and contains hemp) and its Omega 3,6 & 9 rich seeds full of all essential amino acids were excellent for food. Farmers also found the plant not only easy to grow in most countries of the world, but it acted as a natural pesticide (with one US cotton farmer sowing it on one third of his land at a time to rid the soil of pests).

Many changes in the law, however, in the 1930s to the 1960s in the US and other nations made hemp illegal, as these laws mistakenly lumped all forms of Cannabis sativa
in with high THC producing strains known as marijuana. A few nations continued to cultivate hemp; mainly China, which today profits from its policy. Western nations have
had a reawakening due to activists who struggled to make hemp not only legal but in some countries a subsidized species. These efforts have largely paid off, and there is presently a thriving hemp textile and hemp oil industry.

All of which might bode well for the US, as hemp, which was such a part of its history that the first US flag was made of it, can be grown in all 50 states. However, the present status of hemp is prohibitive, even with the recent ruling at the federal level that states may decide for themselves whether to allow its cultivation. So far, only two states have made cultivation legal: Colorado and Kentucky. Both were largely responsible for the change in the federal law, with farmers in the former sowing 60 acres of hemp in a field before the change; thus challenged, Washington lawmakers saw the gauntlet on the ground and  conceded. Soon afterwards, a complex battle in the Kentucky House ensued, perhaps an epic note  in American history, with both  Republican senators, Rand Paul and Mitch McConnell, supporting the hemp issue in Washington, while a Democrat  worked hard to keep it illegal. The governor promptly signed the bill, allowing the Bluegrass state, which was in the 19th and into the 20th century the hemp-basket of America, to regain  its heritage. 
 
While hemp is still illegal to cultivate in 48 states, and not yet produced in any quantity in Colorado or Kentucky, many American businesses manufacture hemp items, the largest sector being the hempseed oil industry, which sources its oil mainly from Canada, where farmers are profiting greatly from America's ban. A number of  other firms manufacture hemp clothing, such as Minawear in Texas, which started in 1998 in California when the hemp movement was still rather small. The years of manufacturing hempen apparel by this and other companies has brought hemp to the awareness of the general public and has helped to restore the crop to legality in the US.
 
Another outfit in the same state  working in this field is Canvasland, which makes artist's canvas - which are not only archival quality but true to original material; the use of hemp for canvas is of such  longstanding practice that the very word 'canvas' derives from 'cannabis'; canape in Italian, chanvre in French. Hemp was a major crop in many Renaissance countries, including Italy and the Netherlands. Not only was the textile used in art, but also the oil, which is clear and long-lasting. This last mentioned use of hemp is one that is not yet available on a commercial level, but is being researched by artists with a view to only bottling hemp oil as an art supply but also in finding the best variety among the thousands of varieties of hemp for this purpose, with the possibility that in the future it will replace linseed and safflower oils, both of which are prone to some degree of yellowing. 
 
From the innovative to the well established, hemp has many uses, making it  an essential part of the economy, as well as being a top choice ecologically, given the fact that it needs less water than cotton and also far less pesticides. Since there  is no real reason not to cultivate it, and every reason to do so, it is the challenge of this present generation to reverse the mistakes of our predecessors  and restore hemp to its place in our fields and the marketplace, hopefully succeeding and earning the respect of future generations.
 
Kenyon Gibson
Author of "Hemp for Victory: History & Qualities of the World's Most Useful Plant"

Tuesday, September 16, 2014

Hemp canvas

Canvasland is the industry leader in Hemp Artist Canvas - we're working to return the original canvas to the artist's easel! Get started with our Slim line - thinner and lighter than our Premium line, Slims are a great way to experience the Canvasland difference! Go to http://www.canvasland.net/
 
 
I just saw this on the www.minawear.com facebook site - something I was waiting for quite a while -
as an artist, I am well aware that hemp was used as canvas - in fact, the word canvas comes from the Latin - vd. French: chanvre
                  Italian: cannape
                  Spanish: canamo ( pronounced kanyamo - tilde on the n) - in Rembrandt van Rijn's land, hemp was grown extensively; not only are the fibres used for canvas - but the oil, a permanent drying oil, was used; today, better artists use hemp oil as it dries more clearly than linseed (see previous posts on this blog, I have extensive analysis of the process of  linoleic acid/linolenic acid oxidation and notes on specific brands of hemp oil that I am making swatches of to find the best).

So I welcome this new product and will be using it in the near future.

Friday, March 28, 2008



SALON DU CHANVRE

On 26 and 27 April 2008, the town of Noyal sur Vilaine (northern France, 10 km from Rennes) will host a hemp expo. It is focused on European vendors. This year they are coming from over a dozen countries, including the UK, which will be represented by Jane Taylor of Positive News and Jane Pasquill of The House of Hemp There is to be found in the town a hemp museum. Not far off also to be found are fields of hemp, much like the one depicted left.

Contact details: lesnoyales@aol.com

Tel: +33 2 99 04 -09 91

Monday, March 10, 2008


CHANVRE
France is today the leader in European hemp production. This plant was much a part of its history, as discussed in previous posts. A recent article by Estelle Garnier, Martino Nieddu, Marc Barbier and Bernard Kurek titled "The Dynamics of the French Hemp System and Its Stakeholders" in the Journal of Industrial Hemp Vol. 12 #2 (2007) assesses the present situation. Hemp comes under the aegis of an organisation dedicated to the paper industry. However, the current context (saturation of the principal outlet and uncertainty regarding the maintenance of the European Union subsidies), makes it necessary to enhance the added value of the hemp crop by diversifying its outlets and by using the whole plant.
As the hemp industry has grown, a number of organisations have come into the picture to facilitate investment, networking and research. These include: La Federation Nationale des Producteurs de Chanvre (FNPC); La Cooperative Centrale des Producteurs de Chanvre (CCPSC), and; Le Comite Economique Agricole de la Production du Chanvre (CEAPC).
The first of these (FNPC) is both a national union of hemp producers and the only structure to have an activity of breeding of new varieties of hemp which can be registered on the European list of officially authorised varieties.
The second (CCPSC) is the only cooperative multiplying French hemp seed, and also intervenes in the process of certifying varieties.
The third (CEAPC) is an association consisting of the FNPC and all departmental unions which carry out checks of the THC content in the hemp crop on behalf of the administration and which collects duties according to the conventions for the control of contents.
These three are national structuring organisations, as are Interchanvre, L'Institut Technique du Chanvre (ITC) and L'Union des Transformateurs (UTC).
On a more international level, there are two structuring organisations: La Confederation Europeenne du Lin et du Chanvre (CELC) and L'Association Europeenne du Chanvre Industriel (EIHA).
The former of these is based in Paris, and was created in 1951 under the name of the CILC. The latter is more recent, having been founded in 2000 in Wolfsburg, Germany. It brought together all or most of the European primary processors, but a number of the large French processors have left.
All of these are closely linked and indeed there is some degree of overlap, with personnel of one group serving at another.
After the structuring organisations, there are 13 primary transformers mentioned in the article, which are: Belon, Assoc Appro Fibre 47, Daifa, Bio Midi-Pyre, Grpe Limousin, Chanvre Mellois, Grpe Loire A, Grpe Dodogne, Assoc pour le Chanver Industriel, Terrachanvre, PDM, Eurochanvre, and LCDA.
Next there are research organisations, which number around 20. None of them are primarily dedicated to hemp, with all or most working also on flax and other natural fibres. These include: Apollor, Universite Chateau-Malabry, Universite de Nantes, Universite Limoges, Universite de Bretagne, Institut Francais du Textile et de Habillement, Ecole Superieure des Technologies et Industrie de Bois, Ecole National des Travaux Publics de l'Etat, Centre de Recherche des Macromolecules Vegetales, Centre Technique du Papier, and Institute National de le Recherche Agronomique.
Research has increased much with the new millenium, as evidenced by the average number of patents for hemp processing rising from 2.4 per annum from 1990-2000 to 6.4 per annum from 2001-2005.
There are hundreds of hemp producers, with 9,000-10,000 ha grown yearly. This, however, amounts for only a small amount of agriculture, as the total land mass under cultivation is 29,556,652 ha.
There are also a number of French internet sites in service to the hemp industry, which include:
www.chanvre.oxatis.com
www.chanvre-diffusion.com
www.terrachanvre.com
lechanvre.buzzkompany.net
www.chanvrebio.fr
www.daifa.fr
www.cr-poitou-charentes.fr
www.cttm-lemans.com
www.aft-plasturgie.com
www.poleplasturgie.net
www.valagro-rd.com
www.construction-chanvre.asso.fr
www.entpe.fr

Saturday, September 16, 2006


HEMP IN FRANCE
Hemp, or chanvre, as it is known in 'L'Hexagone', has been around for a long time and has played a large role in French history. In 1719, there were laws for the encouragement of its growth and free trade in France, with demands for imports to be restricted. Naturally, the merchants published a lengthy rebuttal to this proposed isolationism.
With government backing, hemp stores were set up in Bretagne, Nantes, Port Louis, Rouen, Guyenne & Langdoc, Valence, Clermont, Auxonne, Charite, Moulins and Saumur.
In 1758, M. Marcandier, a magistrate for Bourges, published his Traite du Chanvre, a book in much demand then, reprinted recently by John Hanson in 1996 (the 6th edition).
The importance of hemp led Napoleon to try to restrict Russian supplies to the British, a ploy which was none too successful.
An 1841 record noted of hemp in many departments as follows:
Anjou: provided the most, classed according to locations, with the deisgnations of No. 1,2,3. Daguenieres produced the coarsest, used only for maritime purposes, which was what most of the hemp in Anjou and all of Loire was used for; hemp gorwn in Saumur, Bourgueil and Chinon were all used this way.
The best qaulity was to be found in the valley, past Ce bridge and upto Chalonnes, where textile grade hemp was produced. On the Briolay coast, there were more grades, No. 1 being the best.
Maine and Normandie: both principally produced fine fibre for cloth in great quantity. Buyer beware, however, as there was also a lot around with the hurds not properly skutched out..
Picardy: a large quantity, with varying degress of quality, generally fine, but not the strongest.
Champagne: mostly of very good quality, classed as chanvre fin femelle, demi-fin, 1er moyen, 2e moyen and marin.
Alsace: much produced here, and in Lorraine as well, the majority of which is used for fabric and fishing nets; one of the qualities noted for the hemp of this region was its ability to withstand water. The author noted that it could be difficult to work on mechanical processes.
Vendee, Aunis, Saintange: all produced a like quality, citing of very good quality at Cote de Marans, which was of a good white colour and great fineness, handmade threads attaining over No. 20-25 anglais (12,000 - 15,000 mt.kg).
It was noted that many other areas produced hemp but mainly for local consumption at that time, and that some amount of hemp was bought in from Russia and Italy.
In 1861 French manufacturers were interested in American claims that hemp, and other long fibres could be 'cottonised', but this never materialised for either country.
The changes in shipping lessened the demand for hemp over the years, with production in 1936 being restrained almost entirely to Bretagne and Anjou, with the retting done then in running water. It was interesting to find that at that time, the hurds were sold to paper manufacturers who made with them papier mi-fin.
Today France produces hemp for a number of products, from insulation, to paper, to hemp seed oil. Hemp for paper is often produced in the south, then shipped to the northeasternmost province of Spain, where it is pulped.
France is the leading grower of hemp in Europe, and it is expected that cultivation will continue to increase. As with many western nations, the infrastructure for textile production has long since disappeared, thus the chance of hemp textile production is slim. However, the plethora of other products made with hemp will give the French farmers a ready market.