The Citroën Méhari is a small, lightweight, and versatile vehicle that was produced by the French automaker Citroën from 1968 to 1988. It is known for its distinctive design, which features a plastic body made from a durable material called ABS (Acrylonitrile Butadiene Styrene), making it resistant to rust and damage.

Commodity plastics are a category of plastics that are produced in large quantities and are typically used for a wide range of everyday applications. These plastics are characterized by their relatively low cost, ease of processing, and general availability. They are often used to manufacture a variety of consumer products, packaging materials, automotive parts, household goods, and more.

Conservation and restoration of plastic objects refer to the processes involved in the preservation and repair of plastic artifacts, often found in museums, collections, or archaeological sites. These practices aim to maintain the integrity, appearance, and historical significance of plastic items while ensuring their longevity for future generations. ### Conservation: - **Objective**: To slow down deterioration and preserve the object in its current condition.

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.

ECTFE, or Ethylene Chlorotrifluoroethylene, is a type of fluoropolymer that is known for its excellent chemical resistance, thermal stability, and electrical insulative properties. It is often used in applications where exposure to harsh chemicals or extreme temperatures occurs. ECTFE is commonly employed as a protective coating in various industries, including chemical processing, pharmaceuticals, and electronics.

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.

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 (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.

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 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.

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 (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.

Microcellular plastic refers to a type of polymer-based material that is characterized by the presence of microscopic gas-filled cells or bubbles within its structure. This technology is used to create lightweight materials with improved mechanical properties, insulation, and reduced density compared to traditional plastics. The formation of these microcells usually involves the incorporation of gases or supercritical fluids into the polymer matrix during processing.

Modacrylic is a type of synthetic fiber that is a modified version of acrylic. It is made from a copolymer of acrylonitrile and other monomers, which enhances its properties compared to regular acrylic fibers.

Polyisocyanurate, often abbreviated as PIR, is a type of thermoset plastic that is derived from the polymerization of isocyanate and polyol. It is a member of the polyurethane family, but with a higher degree of rigidity and thermal stability. Polyisocyanurate is primarily used for its excellent insulating properties, making it a popular choice in the construction and manufacturing sectors.

Polysulfone is a type of high-performance thermoplastic polymer known for its excellent mechanical, thermal, and chemical resistance properties. It is part of the family of sulfone polymers and is commonly used in various industrial applications due to its robustness and stability at elevated temperatures. ### Characteristics of Polysulfone: 1. **Thermal Stability**: Polysulfone can withstand high temperatures, typically maintaining its properties up to around 180-200°C (356-392°F).

DRAM is often shortened to just random-access memory.

Nylon is a synthetic polymer, specifically a type of polyamide, that was first developed in the 1930s by chemist Wallace Carothers and his team at DuPont. It is known for its strength, durability, elasticity, and resistance to abrasion and chemicals. These characteristics make nylon a popular choice for a wide range of applications, including: 1. **Textiles:** Nylon is commonly used in clothing, upholstery, and various accessories such as bags and backpacks.

Nylon 6 is a type of synthetic polymer known as a polyamide. It is produced from a single type of monomer called caprolactam and is characterized by its versatility, strength, and resilience. Nylon 6 is commonly used in a variety of applications, including: 1. **Textiles**: It is widely utilized in the production of clothing, upholstery, and industrial fabrics due to its durable and elastic properties.

Nylon 66, also known as polyamide 66, is a type of synthetic polymer that belongs to the nylon family of materials. It is made from two monomers: hexamethylenediamine and adipic acid. The "66" in its name refers to the number of carbon atoms in these two monomers (six from hexamethylenediamine and six from adipic acid).