Casein, —Textile fibers

For example, it is possible to obtain a material from the casein of milk. It is still produced in small quantities under the name of galaUth. Casein is extracted from whey by precipitation in acidic media and, after drying, can be molded by hot compression. Treated by formaldehyde, it acquires a hydrophobic surface that prevents it from swelling in aqueous media. From casein, textile fibers can also be manufactured by spinning from an aqueous alkaline solutions and made insoluble in water by formaldehyde treatment. 

Soy protein was one of a number of proteins that were used to produce reg protein textile fibers in the late 1930s and 1940s. The discovery of regenerated protein fibers from casein is attributed to Todtenhaupt in 1904, but it was Parretti, who in 1935 successfully developed, patented, and produced a textile fiber with wool-like properties from soy protein. In the United States, soy protein textiles and felt materials were explored as replacements for wool, felt, and fur (Hartsuch, 1950 MoncriefF, 1975). In 1939, the Japanese reportedly produced about 450,000 kg (1 million lb) of soy protein fiber (Conner, 1989). The first U.S. patents for soy fibers were granted to T. Kajita and R. Inoue in 1940 (Kajita Inoue, 1940). 

Robert Boyer of H. Ford s Edison Institute was awarded an important patent in 1945 (Boyer et al., 1945) for producing textile fibers from soybean meal for use in automobile upholstery. In addition to soy protein, casein, corn zein, and peanut protein were also used to produce regenerated protein fibers. H. Ford once wore a suit made from soy protein fibers, which was reportedly quite itchy when dry and odiferous when wet. Soy protein fiber technology never attained commercial textile production... 

Williams, S. and Tonn, W.H. (1941), Qualitative methods of identifying soybean fibers in mixtures of casein fiber, wool, or other textile fiber , Rayon Textile Monthly, XXII, 11, 63-64. 

Protein isolates from milk, soybeans, peanuts, cottonseed, and corn have been extruded to form bristles and textile fibers. For a number of years, these manmade, wool-like fibers, principally derived from milk casein, were on the commercial market in the U.S. and Western Europe. Protein wastes, such as chicken feathers, have also been extruded to form fibers with textile properties. 

Soy fibers were white to tan in color and had warm soft feel, natural crimp, and high resilience (Hartsuch, 1950). Soy protein fibers had more elongation and 80% of wool s dry strength (Boyer, 1940). These textile efforts, however, were not as successful as those made with casein fibers and failed, largely because soy protein fibers had... 

Uses Effluent system defoamer for foam control in textile, paper, and municipal effluent systems in aeration ponds, flumes, and at river outfall paper machine defoamer esp. for recycled fiber furnish foam control agent for coatings based on starch, casein, and waxes Features General purpose exc. dispersing props. 

Substances of organic origin, such as wood flour, used for consumption products and in the production of electrical insulation cellulosic fibers (textiles, paper fibers and particles) used mainly to increase impact resistance fruit shell flour, which increases the fluidity of plastic materials under pressing and enhances the dielectric properties and appearance of final products protein flour—casein and soya flours for example—used with carbamides. 

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