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The hectograph, gelatin duplicator or jellygraph is a printing process that involves transfer of an original, prepared with special inks, to a pan of gelatin or a gelatin pad pulled tight on a metal frame. [1] While the original use of the technology has diminished, it has recently been revived for use in the art world.
Bromangelon was a gelatin dessert popular in the late 19th century and early 20th century. It was invented around 1895 by Leo Hirschfeld, who would later invent the Tootsie Roll . Bromangelon is regarded as the first commercially successful gelatin dessert powder, [ 1 ] having been mass-marketed several years before Jell-O , which would ...
Resin soap is a mix of salts (usually sodium) of resin acids (usually mainly abietic acid). It is a yellow gelatinous pasty soap with use in bleaching and cleaning and as a compound of some varnishes. It also finds use in rubber industry as an emulsifier. Often the soap is pretreated with formaldehyde and maleic anhydride. [1]
Potato starch slurry Roux. A thickening agent or thickener is a substance which can increase the viscosity of a liquid without substantially changing its other properties. Edible thickeners are commonly used to thicken sauces, soups, and puddings without altering their taste; thickeners are also used in paints, inks, explosives, and cosmetics.
Glycerin soap can also be produced without remelting soap through directly cooking raw home-made soap. [3] Modern clear glycerin soaps bases are produced by combining various glycerol and polyols with soap and other surfactants in a manner similar to traditional glycerin soap-making methods. These modern clear soaps have the benefit of being ...
A handmade soap bar Two equivalent images of the chemical structure of sodium stearate, a typical ingredient found in bar soaps Emulsifying action of soap on oil. Soap is a salt of a fatty acid (sometimes other carboxylic acids) used for cleaning and lubricating products as well as other applications. [1]
A gelatin silver print is composed of four layers: paper base, baryta, gelatin binder, and a protective gelatin layer or overcoat. The multi-layer structure of the gelatin silver print and the sensitivity of the silver imaging salts require specialized coating equipment and fastidious manufacturing technique to produce a consistent product that ...
Detergent powder containing enzymes. Detergent enzymes are biological enzymes that are used with detergents. They catalyze the reaction between stains and the water solution, thus aiding stain removal and improving efficiency. [1] Laundry detergent enzymes are the largest application of industrial enzymes. [2]