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An artificial leather bag strap, made from plastic. Artificial leather, also called synthetic leather, is a material intended to substitute for leather in upholstery, clothing, footwear, and other uses where a leather-like finish is desired but the actual material is cost prohibitive or unsuitable due to practical or ethical concerns.
Paper cutters were developed and patented in 1844 by French inventor Guillaume Massiquot. Later, Milton Bradley patented his own version of the paper cutter in 1879. [1] Since the middle of the 19th century, considerable improvements to the paper cutter have been made by Fomm and Krause of Germany, Furnival in England, and Oswego and Seybold in the United States.
Polyurethane synthesis, wherein the urethane groups −NH−(C=O)−O− link the molecular units A kitchen sponge made of polyurethane foam . Polyurethane (/ ˌ p ɒ l i ˈ jʊər ə ˌ θ eɪ n,-j ʊəˈr ɛ θ eɪ n /; [1] often abbreviated PUR and PU) refers to a class of polymers composed of organic units joined by carbamate (urethane) links.
Presstoff (also Preßstoff or Pressstoff) is the German-language term for a type of ersatz or artificial leather used during the first half of the 20th century. It is one of the oldest artificial leather. [1] It was made from specially layered paper pulp, which was then treated with a specific resin that would bind it together in layers. [2] [3]
A clicking machine from 1922, used to die cut leather Schematic of the dinking process. Die cutting is the general process of using a die to shear webs of low-strength materials, such as rubber, fibre, foil, cloth, paper, corrugated fibreboard, chipboard, paperboard, plastics, pressure-sensitive adhesive tapes, foam, and sheet metal.
Cricut, Inc. is an American brand of cutting plotters, or computer-controlled cutting machines, designed for home crafters. The machines are used for cutting paper, felt, vinyl, fabric [2] and other materials such as leather, matboard, and wood.