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.

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 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.

Polymethylpentene (PMP) is a type of thermoplastic polymer derived from the polymerization of methylpentene monomers. It belongs to the class of polyolefins and is characterized by its unique combination of properties, which include: 1. **Lightweight**: PMP has a low density compared to many other polymers. 2. **High Transparency**: It offers good optical clarity, making it suitable for applications where visibility is essential.

Polyolefin is a type of polymer derived from olefins (alkenes), which are hydrocarbons that contain at least one carbon-to-carbon double bond. The most common polyolefins are polyethylene (PE) and polypropylene (PP), which are produced through the polymerization of ethylene and propylene monomers, respectively. Polyolefins are characterized by their chemical resistance, low density, flexibility, and durability.

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 (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 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).

Polyaspartic esters are a type of polymer derived from the amino acid aspartic acid. They belong to the family of polyaspartic polyureas and are characterized by their unique chemical structure, which involves the polymerization of aspartic acid derivatives.

A prepolymer is a partially polymerized compound that serves as an intermediate in the production of polymers. It is a low-molecular-weight material that can react with other chemicals to form a higher molecular weight polymer. Prepolymers are often used in the manufacturing of polyurethane, epoxy, and other types of thermosetting and thermoplastic materials.

The Plastics Historical Society (PHS) is an organization dedicated to preserving and promoting the history of plastics and the plastics industry. Founded in the United States, it aims to document the development, applications, and impact of plastic materials throughout history. The society often engages in activities such as collecting artifacts, archival materials, and literature related to plastics, as well as organizing conferences, lectures, and exhibitions focused on the evolution and significance of plastics in society.

Plastics News Global Group is a media organization that specializes in covering the global plastics industry. It provides news, analysis, and insights about various sectors within the plastics industry, including manufacturing, materials, technological innovations, market trends, and sustainability efforts. The group often publishes a variety of content formats, such as articles, reports, and newsletters, aimed at industry professionals, manufacturers, suppliers, and stakeholders in the plastics market.

Plastics play a significant role in the construction industry, offering a wide range of materials and applications due to their versatility, durability, and cost-effectiveness. Here are some key aspects of plastics in construction: ### 1. **Types of Plastics Used:** - **Polyvinyl Chloride (PVC):** Commonly used for pipes, siding, window frames, and flooring. It's resistant to corrosion and weathering.

Poly(4-vinylphenol), often abbreviated as PVPPh or P(VPh), is a synthetic polymer derived from the polymerization of 4-vinylphenol monomers. It possesses a structure that includes phenolic groups, which imparts distinctive properties to the polymer, including solubility in various solvents and the ability to undergo chemical modifications.

Polyetherimide (PEI) is a high-performance, thermoplastic polymer known for its excellent mechanical, thermal, and chemical resistance properties. It is part of the polyimide family of polymers and is characterized by its high glass transition temperature, which typically exceeds 200°C (392°F). ### Key Features of Polyetherimide: 1. **Thermal Stability**: PEI exhibits excellent heat resistance, making it suitable for applications that require stability at elevated temperatures.

Polyvinyl fluoride (PVF) is a type of polymer that belongs to the family of vinyl polymers. It is derived from the polymerization of vinyl fluoride monomers. PVF exhibits several notable properties, including high resistance to chemicals, weather, and UV radiation, making it suitable for various applications.

Polyvinyl nitrate (PVN) is a synthetic polymer formed from the polymerization of vinyl nitrate monomers. It is a type of nitrated polymer that contains nitrate functional groups within its structure. Like other nitrated polymers, PVN can exhibit properties that make it suitable for specific applications, particularly in the areas of energetic materials, explosives, or propellants.

Rope caulk, also known as rope caulk tape or rope sealant, is a type of weatherproofing material commonly used to seal gaps, cracks, and joints around windows, doors, and other areas in buildings to improve energy efficiency and reduce air leaks. It is typically made from a flexible, pliable material such as foam or a similar substance, often encased in a protective layer.

Polyethylene naphthalate (PEN) is a type of thermoplastic polymer that belongs to the polyester family. It is synthesized from the polymerization of naphthalene-2,6-dicarboxylic acid and ethylene glycol. PEN exhibits several favorable properties, making it useful in various applications.

Polyethylene terephthalate (PET) is a thermoplastic polymer that belongs to the polyester family. It is composed of repeated units of the monomers ethylene glycol and terephthalic acid. PET is widely used in a range of applications due to its desirable properties, including: 1. **Durability**: PET is strong and resistant to impact and tearing, making it suitable for various applications.