Post by account_disabled on Mar 15, 2024 23:18:02 GMT -6
Glass , whose components include quartz sand or silicon dioxide, additives such as sodium carbonate and calcium carbonate , fluxes, and metal oxides as colorants; polymers , such as polycarbonate, polypropylene and ABS, or acrylonitrile-butadiene-styrene thermoplastic polymer. These materials are very resistant to cracking and scratching, as well as external factors such as humidity. This category also includes panels, for example, vinyl panels made from powdered sedimentary rock, polyvinyl chloride and a stabilizer. Read more about chemical raw materials for the furniture industry . foam mattresses Another industrial product with many chemicals is the entire range of foam mattresses. This foam is made exclusively from synthetic materials. It is made up of layers of polyurethane foam with flame retardant additives such as gel, wool, latex foam, cotton or polyester. The components of polyurethane foam mainly include: polyols - a group of multivalent alcohols with binding properties; They are the basic raw material that reacts with other materials to produce polyurethane foam; diisocyanates, which can take organic or inorganic forms, are a more reactive substrate in the reaction to obtain polyurethane foams; Foaming agents that allow carbon to be added to the mixture. Other foams are also used, including latex foam, which is a mixture of synthetically obtained latex and natural rubber tree milk. Read more about polyurethanes . Cables and wires Each home also comes with the cables and their covers.
Take an electrical cable as an example: it is nothing more than a connector between the power source and the receiver, consisting of conductors made of copper or aluminum . These elements are excellent conductors, which is why they are so popular in this app. Copper conductors are characterized by higher mechanical strength and can be easily connected. Precisely for this reason, copper-sheathed aluminum CZ Leads cables are also manufactured. Cables may come with specific markings that indicate the material they are made of. The letter 'A' indicates an aluminum wire and 'F' means a steel wire. All unlabeled cables are copper by default. In addition to the metal wire itself, cables also use insulating materials. These are all types of plastics , the most common being PVC, which is plasticized and granulated polyvinyl chloride, rubber, which is an elastomer formed by chains of aliphatic polymers such as polyolefins cross-linked by vulcanization, and polyethylene . Office supplies All types of office supplies are essential for our daily work. You'd be hard pressed to find a home that doesn't have items like glue, tape, paper, pens, ballpoint pens, printer toner, or colored highlighters. At first glance you may not call them chemistry, but take a closer look: The action of glue comes from mechanical adhesion, a situation in which two surfaces adhere to each other due to the anchoring forces of substances present on their surfaces. The most important ingredient in glue formulation is a polymer, either synthetic or natural, in the form of a colloidal suspension or one that takes the form of a colloidal suspension when mixed with a hardener, plasticizer or other modifiers.
The most popular glue sticks include substances such as cyanoacrylate and PVP or polyvinylpyrrolidone. Cyanoacrylate glues are made of methyl, ethyl and alkoxy. The action of adhesive tape is similar to that of glues and is also based on the forces of adhesion and cohesion. Adhesion alone results in the ability of physical bodies to bond to the surface, while cohesion is responsible for the consequences, that is, the durability of the bond and the aesthetic qualities after peeling off the tape. Each tape consists of a backing, a flexible plastic and an adhesive layer on one or both sides. An ordinary adhesive tape usually has an acrylic adhesive layer. Its production involves making an acrylic emulsion, which is then mixed with a cross-linking agent. It is characterized by its high resistance, resistance to humidity and low temperatures, but it is considered a lower quality adhesive tape. Much more stable is a tape with natural rubber adhesive, also over a wide range of temperatures. However, it is mainly used to seal heavy packages and cardboard boxes. In this case, a synthetic rubber hot melt adhesive can be used as a substitute. From a chemical perspective, paper is a cellulose pulp to which fillers are added to provide the desired softness, strength or color. Cellulose itself is a chemical compound that belongs to the group of polysaccharides and its structure includes between 3,000 and 14,000 glucose molecules linked linearly by α-β-1,4-glycosidic bonds. Depending on the intended application of the paper, the most common additives used include kaolin, talc, gypsum chalk and dyes. Various chemicals are used in the production of pens, from metals to plastics.