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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.
Split leather is then pressed into the plastic. After the resultant bicast leather has cured, the casting paper is removed, [3] and optionally re-used. [4] The embossing usually gives the appearance of top grain leather, although it may be smooth depending on the desired finish. New bicast leather can have a chemical odor, but this typically ...
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.
Polyurethane, a common type of plastic; pu, a label in the per-unit system of power systems analysis; PU learning, a collection of semisupervised techniques in machine learning; PU leather or bicast leather, a material made with split leather and polyurethane; PU resistor, a pull-up resistor; PU scope, a sniper scope of Soviet origin
Leather products made in this manner are known for their exceptional softness and washability. Alum leather is transformed using aluminium salts mixed with a variety of binders and protein sources, such as flour and egg yolk. Alum leather is not actually tanned; rather the process is called "tawing", and the resulting material reverts to ...
The NFL playoff picture will soon be locked in, but teams still have an opening to make a statement. Here are our bold predictions for Week 17.
It is also below the 71,000 migrant arrests made in December 2020 as Trump concluded his 2017-2021 presidency. The number of migrants caught at the northern border with Canada fell to about 500 in ...
Polyurethane dispersion, or PUD, is understood to be a polyurethane polymer resin dispersed in water, rather than a solvent, although some cosolvent may be used.Its manufacture involves the synthesis of polyurethanes having carboxylic acid functionality or nonionic hydrophiles like PEG (polyethylene glycol) incorporated into, or pendant from, the polymer backbone. [1]