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What is halogen free? Are halogen-free flame retardants completely halogen-free? 1. What is the concept of halogen-free?Halogens are listed in Group VIIA of the periodic table and belong to non-metallic elements, including five elements: Fluorine, Chlorine, Bromine, Iodine, and Astatine. Halogen often refers to the four elements of fluorine, chlorine, bromine and iodine, which usually exist in the form of organic compounds in products, especially in polymer …
Common polypropylene(PP)flame retardant systems and application characteristics As a common modified material, flame retardant polypropylene is mainly used in small household appliances, electronic appliances, automobiles and other fields. It has the advantages of high cost performance, large room for performance adjustment, and easy molding. At present, there are many researches and applications on flame retardant polypropylene, but the common flame retard…
Analysis of three kinds of flame retardants 1) Organic halogen flame retardantOrganic halogenated flame retardants refer to organic flame retardants with halogen as the main flame retardant components. Due to their high flame retardant efficiency, low consumption and small impact on the properties of materials, they have been widely used in the flame retardant market since the 1960s. Brominated flame retardants are the re…
Not all flame retardants are the same Manufacturers include specific flame retardants in their products based on the product’s attributes, properties, use, and potential ignition threats. Product manufacturers use flame retardants to protect materials from igniting.The term “flame retardant” refers to a function, not a distinct family of chemicals. Many different chemistries, with different properties and molecul…
What are flame retardants ? Flame retardants are derived from naturally-sourced elements and are incorporated into materials such as plastics, textiles, foams, and paints. Flame retardants can be liquids or solids. They can be chemically transformed to create a new fire resistant material (reactive) or physically incorporated into a material (additive).Reactive flame retardants are incorporated into the p…
About flame retardants Flame retardants help prevent and slow fires, protect property and save lives.They are an important tool in the overall “tool box” of fire safety measures that help reduce fire risk and meet fire safety standards. Flame retardants can provide an important layer of fire protection by:· Preventing and delaying ignition;· Slowing the combustion process; and
A Brief Introduction of Titanium dioxide (TiO2) -4 Chemical properties:Titanium dioxide has extremely stable chemical properties and is a kind of acidic amphoteric oxide. It hardly reacts with other elements and compounds at normal temperature, and has no effect on oxygen, ammonia, nitrogen, hydrogen sulfide, carbon dioxide and sulfur dioxide. It is insoluble in water, fat, dilute acid, inorganic acid and alkali, and only solubl…
A Brief Introduction of Titanium dioxide (TiO2) -3 Crystal structure:Titanium dioxide has three crystalline forms in nature: rutile, anatase and plate titanium. Plate titanium type belongs to the orthorhombic system, which is an unstable crystal type. It is transformed into rutile type at above 650 ℃, so it has no practical value in industry. Anatase is stable at room temperature, but it should be transformed into rutile at hig…
A Brief Introduction of Titanium dioxide (TiO2) -2 6) Hygroscopicity:Although titanium dioxide has hydrophilicity, but its hygroscopicity not very strong, and rutile type is smaller than anatase type. The hygroscopicity of titanium dioxide is related to its surface area. The large surface area and high hygroscopicity are also related to surface treatment and properties.7) Thermal stability:
A Brief Introduction of Titanium dioxide (TiO2) -1 Titanium dioxide (TiO2), an important inorganic chemical pigment, is mainly composed of titanium dioxide. The production process of titanium dioxide includes sulfuric acid process and chlorination process. It is widely used in coating, ink, paper making, plastic rubber, chemical fiber, ceramics and other industries.
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