Electroshapable material
Electroshapable materials are a class of materials that can be manipulated or shaped using electrical energy. This can include processes that involve the application of electrical fields, currents, or electrochemical reactions to alter the shape, structure, or properties of the material. These materials are typically designed to respond to electrical stimulation in a controlled manner, allowing for precise changes in form or function.
Engineering plastic
Engineering plastics are a group of plastic materials that possess superior mechanical and thermal properties compared to standard plastics. They are designed to withstand higher temperatures, stresses, and more demanding mechanical applications, making them suitable for a wide range of engineering-focused applications. Some key characteristics of engineering plastics include: 1. **Strength and Durability**: They often have higher tensile strength, impact resistance, and fatigue resistance compared to standard polymers.
Ethylene-vinyl acetate
Ethylene-vinyl acetate (EVA) is a copolymer of ethylene and vinyl acetate. It is a versatile and widely used thermoplastic material known for its rubber-like properties, flexibility, and transparency. Here are some key characteristics and uses: ### Key Characteristics: 1. **Composition**: EVA is produced by the polymerization of ethylene and vinyl acetate in varying ratios. The vinyl acetate content typically ranges from 10% to 40%.
Ethylene vinyl alcohol
Ethylene vinyl alcohol (EVOH) is a type of copolymer composed of ethylene and vinyl alcohol. It is known for its excellent barrier properties, particularly against gases and aromas, making it highly valued in packaging applications.
Fiber-reinforced cementitious matrix (FRCM) is a composite material that combines cement or mortar with fibrous materials to enhance its mechanical properties and performance. The primary objective of incorporating fibers into the cementitious matrix is to improve the toughness, ductility, and crack resistance of the material, as well as to enhance its overall durability and structural capabilities.
Fiber-reinforced composite
Fiber-reinforced composites (FRCs) are advanced materials made by combining a matrix material, typically a polymer, metal, or ceramic, with reinforcing fibers. These fibers, which can be made from materials such as glass, carbon, aramid, or natural fibers, provide enhanced strength, stiffness, and other mechanical properties to the composite material. The resulting composite combines the best characteristics of both the fiber and matrix materials, making it suitable for a wide range of applications.
Fibre-reinforced plastic
Fibre-reinforced plastic (FRP) is a composite material made from a polymer matrix that is reinforced with fibers, typically glass, carbon, aramid, or natural fibers. The combination of these materials results in a lightweight, strong, and durable material that has a wide range of applications across various industries.
Flashspun fabric
Flashspun fabric is a type of nonwoven material created using a unique process that involves rapidly spinning fibers from a viscous polymer solution. This technique allows for the formation of extremely fine fibers that can be bonded together to create a lightweight, durable, and breathable textile. The production process typically involves extruding a polymer solution through small nozzles into a high-velocity air stream, which rapidly evaporates the solvent and solidifies the fibers.
Fogbank
Fogbank is a name that can refer to different things depending on the context, but it is most commonly associated with a few specific areas: 1. **Concealed products or technology**: In some contexts, "Fogbank" is used to describe certain technologies that can obscure, shield, or cloak objects, often related to military or defense applications. This could be aimed at providing stealth capabilities.
Galalith
Galalith, also known as milkstone or casein plastic, is a type of plastic created from casein, which is a protein found in milk. It was first developed in the early 20th century, around 1897, and is notable for being one of the first synthetic plastics produced. Galalith is made by mixing casein with formaldehyde and often other chemicals, which results in a thermosetting plastic that can be molded into various shapes.
Glycerine phthalate
Glycerine phthalate is not a commonly referenced compound and may not have a widely recognized definition or usage in chemistry. However, it seems to combine elements from glycerin (or glycerol) and phthalates. Glycerin is a simple polyol compound often used in food, pharmaceuticals, and cosmetics due to its properties as a humectant and solvent.
High-density polyethylene
High-density polyethylene (HDPE) is a type of thermoplastic polymer made from the monomer ethylene. It is known for its high strength-to-density ratio, making it one of the most widely used plastic materials in various applications. Here are some key characteristics and properties of HDPE: 1. **Density**: HDPE has a higher density (typically around 0.93 to 0.
In-mould decoration
In-mould decoration (IMD) is a manufacturing process used primarily in the production of plastic parts, where decorative patterns, images, or textures are integrated directly into the surface of the plastic during the moulding process. This technique combines the injection moulding of plastic with the application of graphics or decorative films. Here’s how the process generally works: 1. **Preparation of Materials**: A decorative film or graphic is selected and positioned in the mould.
Ionomer
Ionomers are a type of polymer that contain ionizable groups, which can be either cationic or anionic. These groups give the material unique properties that differ significantly from typical polymers. Here are some key points about ionomers: 1. **Structure**: Ionomers are typically derived from standard polymers, such as polyethylene or polypropylene, to which small amounts of ionic or ionizable groups are incorporated.
James A. Rafferty
James A. Rafferty is a name that may refer to various individuals, but without specific context, it is challenging to provide detailed information.
Linear low-density polyethylene
Linear low-density polyethylene (LLDPE) is a type of polyethylene characterized by its low-density and linear molecular structure, which results in unique physical and chemical properties. It is produced through the copolymerization of ethylene with short-chain alpha-olefins, such as butene, hexene, or octene, which introduces branching in the polymer chains. This branching is less pronounced than in traditional low-density polyethylene (LDPE), allowing LLDPE to have different mechanical properties.
Low-density polyethylene
Low-density polyethylene (LDPE) is a type of thermoplastic made from the polymerization of ethylene monomers. It is characterized by its low-density molecular structure, which results in a material that is flexible, resilient, and lightweight. LDPE has a branching structure, which contributes to its low density and affects its physical properties. ### Key Features: 1. **Flexibility**: LDPE is known for its excellent flexibility, making it suitable for applications that require bending or stretching.
Masterbatch
Masterbatch is a concentrated mixture of pigments and additives encapsulated during a heat process into a carrier polymer. It's used to color or enhance other polymers in plastic manufacturing. In simpler terms, masterbatch allows manufacturers to produce colored or specially formulated plastics efficiently and consistently. ### Key Features: 1. **Concentration**: Masterbatches are often produced in high concentrations of the required additives or pigments, which means that only a small amount is needed to achieve the desired effect in the final product.
Medium-density polyethylene
Medium-density polyethylene (MDPE) is a type of polyethylene that has a density range of approximately 0.926 to 0.940 grams per cubic centimeter. It falls between low-density polyethylene (LDPE) and high-density polyethylene (HDPE) in terms of its physical properties and applications. MDPE is characterized by its good flexibility, chemical resistance, and impact strength, making it suitable for a variety of uses.
Merrifield resin
Merrifield resin is a type of polymer resin commonly used as a solid support in solid-phase peptide synthesis (SPPS). It was developed by the chemist Robert Merrifield, who won the Nobel Prize in Chemistry in 1984 for his work on this method. The resin is typically made from polystyrene or a polystyrene-divinylbenzene copolymer and is functionalized with an appropriate linker that allows for the attachment of the growing peptide chain.