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Bamboo

Transcript: BAMBOO Hard, Wood - like grass, that is jointed that could potentially reach heights of 20 to 30 meters (66 to 98 feet). Bamboo fibre is a cellulose fibre extracted or fabricated from natural bamboo and is made from the pulp of bamboo plants. Synthetic viscose Rayon made from bamboo cellulose. Viscose has many characteristics Articles made of viscose can be dyed and printed extremely well and exhibit exceptionally brilliant colours. breathes actively regulates temperature well, making it especially pleasant to the skin. possess a soft, graceful flow. high moisture absorption. as a lining it reduces static electricity. Viscose Process Cellulose Purified cellulose for rayon production usually comes from specially processed wood pulp. It is sometimes referred to as “dissolving cellulose” or “dissolving pulp” to distinguish it from lower grade pulps used for papermaking and other purposes. Dissolving cellulose is characterized by a high a -cellulose content, i.e., it is composed of long-chain molecules, relatively free from lignin and hemicelluloses, or other short-chain carbohydrates. Steeping The cellulose sheets are saturated with a solution of caustic soda (or sodium hydroxide) and allowed to steep for enough time for the caustic solution to penetrate the cellulose and convert some of it into “soda cellulose”, the sodium salt of cellulose. This is necessary to facilitate controlled oxidation of the cellulose chains and the ensuing reaction to form cellulose xanthate. Pressing The soda cellulose is squeezed mechanically to remove excess caustic soda solution. Shredding The soda cellulose is mechanically shredded to increase surface area and make the cellulose easier to process. Aging The white crumb is allowed to stand in contact with the oxygen of the ambient air. Because of the high alkalinity of white crumb, the cellulose is partially oxidized and degraded to lower molecular weights. This degradation must be carefully controlled to produce chain lengths short enough to give manageable viscosities in the spinning solution, but still long enough to impart good physical properties to the fiber product. . Purification of Cellulose . Conditioning of Wood Pulp . Steeping Process . Shredding or cutting process . Ageing Process . Churning Process . Mixing or dissolving Process . Ripening Process . Spinning Process

Bamboo

Transcript: Nike Woven Saturday Jacket Bamboo / Sail Fun Fact: Nature's Purest Small Knitted Bamboo Blanket History Traditional Uses for Bamboo: The resultant fluff is very long in staple and visibly finer than other fibres. Then they are spun into yarn, like any other textile fibre. The longer staple and higher tensile strength is what makes a tough, soft yarn – which is not as susceptible to wearing and fraying as many other yarns. 66%Rayon made from bamboo fibers, 28%Tencel,6%Spandex When harvested they are taken to mills where they are crushed and submersed in a strong solution of sodium hydroxide which dissolves the bamboo cellulose. With the addition of carbon disulfide it renders the mix ready to regenerate fibres which are then drawn off, washed and bleached to a bright white colour and dried. Naturally more wrinkle resistant than cotton, ironing not always required. Environmental impact Bamboo Short Sleeve Thermal Top - Ivory Fun Bamboo Fact: PARLEE 70% Bamboo Viscose, 20% Organic Cotton, 10% Spandex Methods of creating a bamboo Yarn/ Cordage: Particularly absorbent and breathable In China and Japan, thin strips of bamboo were woven together into hats and shoes. One particular design of bamboo hats was associated with rural life, being worn almost universally by farmers and fishermen in order to protect their heads from the sun. There are over 1500 species of bamboo worldwide, but only about 50 are commercially involved in trade (Hunter 2003). Fashion The bamboo plant supports an international trade worth over 2.5 billion USD there are also over 2.5 billion people (38% of world population) involved in its trade or use. In 2003, the bamboo forest area was around 22 million ha, and it has been increasing at a speed of 3% per year; China hosts a bamboo forest area of 7.2 million ha. Bamboo Leggings Toxic chemicals -fertilizers and pesticides in agriculture -manufacturing stages such as fibre extraction, pre- treatment, dyeing, printing Waste volumes -non-biodegradable wastes to landfill -large quantities of wastes because of fast fashion Nike Dunk High Pro SB Canvas Urban Orange - Bamboo - White Contribution to climate change -burning fossil fuels for electricity needed in manufacturing, agricultural machinery, laundering (electricity and heating water) Properties Fun Fact Bamboo has served as an important crop for centuries. It is known as the friend of the peoplein China, the wood of the poor in India, and the brother in Vietnam (Farrelly 1984). Bamboo was originally used as thatching for housing and other industrial uses in the home. However the first western use of bamboo as a textile was recorded in 1864, developed by Philipp Lichtenstadt for items such as cordage, cloth, mats and pulp for paper. In terms of clothing, it was only used for structural elements such as, bustles and corsets. When you consider it, bamboo is a very logical choice of fibre for many items of clothing. As well as having excellent strength, shape stability, washability, colorfastness, shrink fastness and being exceptionally comfortable against the skin, bamboo fibre also boasts the following: Bamboo is a Natural Fiber derived from the bamboo plant which is a member of the grass family. Being a plant fiber means it is a cellulose fibre. Space consumption -large fields for harvest can take away space needed for food production Bamboo •Bamboo is native to every continent except Antarctica and Europe (where it has been introduced); it endures both rich and poor soils, temperatures varying from -20°C to 47°C, as well as rainfall ranging from 76.2 cm to 635 cm per year (Farrelly 1984). Bamboo textile fibre is made from bamboo timber which has matured in the forest for at least 4 years. Traditional bamboo use: Very durable, can be chucked in the washing machine. Cheaper than cashmere and silk. Naturally bacteria inhibiting An 1881 bustle design. In the West, bamboo, alongside other components such as whalebone and steel wire, was sometimes used as a structural component in corsets, bustles and other types of structural elements used in fashionable women's dresses. Since the bamboo is naturally hollow in the horizontal cross section, the fibre shows abundant gaps. These gaps can absorb and evaporate human skin moisture just as the bamboo plant absorbs and evaporates moisture in the ecosystem. It has lovely Drape Black Thermal Bottom Other Bamboo Products Bamboo yields 50 times as much fibre per acre as cotton. No more smelly feet – ever No more unpleasant body odour. Bamboo has always been grown without the use of pesticides. It is rarely attacked by any pests and not susceptible to diseases. The reason for this, Japanese scientists have found, is a unique anti-bacterial agent of bamboo named “bamboo kun”. This substance, combined with the tight molecular structure of bamboo fibres, are believed to give it its anti-bacterial and bacteriostatic properties – which is not diminished even after more than 50 washes! Bamboo is the fastest growing

Bamboo

Transcript: http://chinesefood.about.com/od/beef/r/beefbamboo.htm Because of their rhizome system, bamboo are fast growing plants. Some bamboo only grow to be a few inches high, but most common bamboo grow to be 15–40 feet. Here is a recipe for a beef and bamboo stir fry http://upload.wikimedia.org/wikipedia/commons/9/97/Bamboo_DSCN2465.jpg Brian Chau 4th hour The height of mature bamboo depends on what species it is. The hollow of large bamboo is often used to cook food. Bamboo can grow in many places, in the cold mountains, the hot tropics, and anywhere in between. Bamboo is also used in making cooking utensils. http://en.wikipedia.org/wiki/Bamboo Bamboo as a Food The bamboo culms start growing at their full diameter. Bamboo is very important in South Asia and East Asia , because of it's hard enough for building, and is edible. Bamboo grows at a faster rate then trees, reaching their full height in a growing season of 3 or 4 months. Bamboo Most of the bamboo shoots are edible, but the shoots of the giant bamboo have cyanide(poison). In the bamboo's second and third year the culms harden, become fully mature and are ready to harvest. Timber trees can take 50 to 100 years to mature. Plant Classification Works Cited http://chinesefood.about.com/od/beef/r/beefbamboo.htm Bamboo are a group of perennial evergreens in the true grass family Poaceae and are in the subfamily Bambusoideae. Size of Bamboo http://www.gpsincusa.com/solid-strand-hardwood-flooring.html Growth Rate in Comparison to Trees They grow from 50oN to 47oS in Asia, Africa, Australia and the Americas Large timber bamboo can become 30 meters (98 ft) tall, and be 15–20 cm (6–8 inches) in diameter. Growth Most bamboo grown in temperate climates grow 3-10 cm a day.

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