In 1890, Charles Tainter patented the use of carnauba wax on phonograph cylinders as a replacement for the usual paraffin/beeswax mixture.Ĭarnauba wax may be used as a mold release agent for manufacturing fibre-reinforced plastics. 30 grams per 300 kg) is sprinkled onto a batch of tablets after they have been sprayed and dried they are then tumbled for a few minutes to coat them. A very small amount (less than 1/100 of 1% by weight, e.g. It is also used in the pharmaceutical industry as a coating to make tablets easier to swallow. It is the finish of choice for most briar tobacco smoking pipes, as it produces a high gloss when buffed that dulls with time, rather than flaking off like most other finishes.īecause it is too brittle to be used alone, carnauba wax is often combined with other waxes (principally beeswax) to treat and waterproof leather products, where it provides a high-gloss finish and increases leather's hardness and durability.
īecause of its hypoallergenic and emollient properties as well as its gloss, carnauba wax is used as a thickener in cosmetics such as lipstick, eyeliner, mascara, eye shadow, foundation, deodorant, and skincare and sun care preparations. It is also the main ingredient in surfboard wax, combined with coconut oil. In its purest form, it was often used on speedboat hulls in the early 1960s to enhance speed and handling in saltwater. It is commonly used for paper coatings in the United States. It is sold in grades of T1, T3 and T4 according to its purity level, which is accomplished by filtration, centrifugation and bleaching.Ĭhocolate dragées coated with carnauba wax Properties īecause it creates a glossy finish, carnauba wax is used in automobile waxes, shoe polishes, dental floss, food products (such as sweets), polishes for musical instruments, and floor and furniture waxes and polishes, especially when mixed with beeswax and turpentine. It is distinctive for its high content of diesters and its methoxycinnamic acid. The compounds are predominantly derived from acids and alcohols in the C26-C30 range. Īs a food additive, its E number is E903.Ĭarnauba consists mostly of aliphatic esters (40 wt%), diesters of 4-hydroxycinnamic acid (21.0 wt%), ω-hydroxycarboxylic acids (13.0 wt%), and fatty alcohols (12 wt%). It is obtained by collecting and drying the leaves, beating them to loosen the wax, then refining and bleaching it.
In its pure state, it is usually available in the form of hard yellow-brown flakes. Natural plant wax from leaves of the carnauba palm Carnauba waxĬarnauba ( / k ɑːr ˈ n ɔː b ə, - ˈ n aʊ-, - ˈ n uː-, - n ɑː ˈ uː-/ Portuguese: carnaúba ), also called Brazil wax and palm wax, is a wax of the leaves of the carnauba palm Copernicia prunifera (synonym: Copernicia cerifera), a plant native to and grown only in the northeastern Brazilian states of Ceará, Piauí, Pernambuco, Rio Grande do Norte, Maranhão and Bahia.
0 kommentar(er)
