Metallised film
Metallised film is a type of flexible packaging film that has a thin layer of metal, usually aluminum, applied to its surface. This layer is typically achieved through a process called vacuum metallization, where metal is vaporized in a vacuum chamber and then deposited onto the film substrate.
Microcellular plastic
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
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.
Nafion
Nafion is a sulfonated tetrafluoroethylene-based fluoropolymer-copolymer that is widely used in various applications, particularly in fuel cells and electrolyzers. It was developed by DuPont in the 1960s and is characterized by its excellent proton conductivity, which makes it an effective membrane for proton exchange in electrochemical cells.
Novolak
Novolak refers to a type of phenolic resin that is typically produced by the polymerization of phenol with formaldehyde in the presence of an acid catalyst. Novolaks are thermoplastic resins that are commonly used in various applications due to their excellent thermal stability, chemical resistance, and mechanical properties.
Nucleation in microcellular foaming refers to the initial process by which tiny gas bubbles, or nuclei, form within a polymer matrix during the foaming process. This is a critical step in producing microcellular foam, which is characterized by a high number of small cells (bubbles) that are typically less than 10 micrometers in diameter.
Nylon
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
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
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).
Nylon TMDT
Nylon TMDT (also known as Nylon TMDT or TMDT Nylon) is a type of engineering thermoplastic made from nylon (polyamide) with specific properties that make it suitable for applications requiring high strength, durability, and resistance to various environmental factors. TMDT typically refers to a nylon copolymer, often formulated to enhance certain characteristics, such as impact resistance, chemical resistance, and thermal stability.
OXO-biodegradation
OXO-biodegradation refers to a process where certain plastics, usually made from polyethylene or polypropylene, are chemically modified to promote biodegradation. This is typically achieved by adding specific additives (often referred to as oxo-additives) that facilitate the breakdown of plastic in the presence of oxygen. The process generally involves two main stages: 1. **Oxidation**: The added additives promote oxidative degradation, breaking down the long polymer chains into smaller fragments.
PVC clothing
PVC clothing is made from polyvinyl chloride, a type of plastic that is often used in various fashion items. PVC is a synthetic material that can be produced in a flexible form, giving it the ability to mimic the appearance of leather or other materials. PVC clothing can include items such as dresses, jackets, pants, and accessories.
Pearloid
Pearloid is a synthetic material that mimics the appearance of mother-of-pearl, a natural substance produced by mollusks. It is commonly made from celluloid, a type of plastic, and is often used in various applications, including the production of musical instrument parts, decorative items, and jewelry. In the context of musical instruments, pearloid is frequently used for pickguards, inlays, and knobs, adding an aesthetic appeal to guitars, violins, and other string instruments.
PharMed
PharMed can refer to several different entities depending on the context, but it is commonly associated with: 1. **PharMed® Technology**: A brand associated with specific medical or pharmaceutical products, often linked to high-quality, durable polymer technology used in medical devices and systems. 2. **Pharmanagement or Pharmaceutical Medicine**: Sometimes, it refers to pharmaceutical management or organizations involved in the pharmaceutical industry, including drug development, management, and healthcare services.
Plastic
Plastic is a synthetic or semi-synthetic material made from polymers, which are large molecules composed of repeating structural units known as monomers. These polymers can be derived from natural sources (like cellulose) or synthesized from petroleum, natural gas, or other chemical feedstocks. Plastics are characterized by their versatility, durability, and malleability, which allow them to be molded into various shapes and forms.
Plastic clothing
Plastic clothing refers to garments made from synthetic materials derived from plastic polymers. These materials can include various types of plastics, such as polyethylene, polypropylene, polyester, and nylon, among others. Plastic clothing often features characteristics such as water resistance, durability, and ease of care, making it suitable for a range of applications, from fashion to functional wear.
Plastic joining
Plastic joining refers to various techniques and processes used to bond or assemble plastic materials together. This can involve different methods such as welding, adhesive bonding, mechanical fastening, or the use of solvent. Plastic joining is particularly important in manufacturing, assembly, and repair processes in industries like automotive, electronics, and consumer goods. Here are some common plastic joining methods: 1. **Plastic Welding**: This process involves heating the plastic materials to their melting point and fusing them together.
Plastic optical fiber
Plastic optical fiber (POF) is a type of optical fiber that uses polymeric materials instead of glass to transmit light signals. POF is typically made from a core of polymethyl methacrylate (PMMA) or a similar polymer, with a cladding that has a lower refractive index, allowing light to be guided along the core through total internal reflection.
Plastic road
Plastic roads refer to road surfaces that incorporate plastic waste or recycled plastic materials as part of their construction. This innovative approach aims to address two significant issues: the growing problem of plastic waste and the need for sustainable infrastructure solutions. Here are some key features of plastic roads: 1. **Material Composition**: Plastic roads can be made using various types of recycled plastics, such as polyethylene, polypropylene, and polyvinyl chloride (PVC).
Plastic shopping bag
A plastic shopping bag is a type of bag made from thin, flexible plastic. They are commonly used by retailers to carry purchased items. These bags are typically lightweight, durable, and water-resistant, making them convenient for both stores and consumers. Plastic shopping bags are usually produced from polyethylene, which is derived from petroleum. They can be found in various sizes and designs, often featuring handles for easy carrying.