Maya Ellison
A plastic binder is an essential component of electrodes, affecting the cycling performance of lithium-ion batteries. They are also indispensable in solid propellants, where they play the role of fuel, plasticizer, curing agent, and combustion catalyst. On the other hand, a plasticizer is a substance added to a material to increase its plasticity and improve its flexibility, softness, and resistance. Plasticizers are commonly added to polymers and plastics like PVC to make them more workable and fluid for pouring. While both plastic binders and plasticizers play important roles in various applications, they serve distinct functions and are not interchangeable.
Plastic Binders vs Plasticizers
| Characteristics | Values |
|---|---|
| Definition | Binders or binding agents are materials or substances that hold or draw other materials together to form a cohesive whole. Plasticizers are substances added to materials to make them softer, more flexible, and easier to shape and mold. |
| Composition | Binders can be organic (e.g., bitums, animal and plant glues, polymers) or inorganic (e.g., lime, cement, gypsum). Plasticizers are commonly low-volatility liquids or solids, often based on esters of polycarboxylic acids. |
| Uses | Binders are used in paints, pastels, adhesives, and construction materials like concrete and stucco. Plasticizers are added to polymers and plastics like PVC to improve flexibility and durability. They are also used in concrete, rubber, and adhesives. |
| Benefits | Binders provide cohesion and strength to materials. Plasticizers enhance the usability of plastics, reduce friction, and improve workability of materials like concrete by reducing the amount of water needed. |
| Concerns | Some binders, like cement, may have high compressive strength but low tensile strength, requiring reinforcement. Concerns have been raised over the safety of some polymer plasticizers due to potential endocrine disruption and developmental toxicity. |
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What You'll Learn
Plastic binders are durable and long-lasting
Plastic binders are a popular choice for individuals and businesses seeking a long-lasting and stylish way to organise documents. They are known for their durability, withstanding wear and tear without losing their shape or functionality. This makes them a reliable choice for storing important documents that need to be accessed regularly.
Plastic binders are made of sturdy materials that can withstand frequent use and provide long-lasting organisation for documents. They are often made from polyethylene or polypropylene, which are strong plastics that resist tears and cracks. The thickness of the plastic can vary, allowing for flexible or rigid binders. Poly binders, for example, are made from a one-piece solid sheet of polyethylene or polypropylene that is creased to form the binder shape. This construction method enhances the durability of poly binders, making them resistant to tearing and cracking.
The durability of plastic binders also extends to their ability to withstand extreme temperatures. Poly binders, in particular, can handle very cold and hot temperatures, making them suitable for use in harsh climates or conditions. This feature ensures that the binders remain functional even when exposed to temperature fluctuations, although prolonged exposure to extreme temperatures can cause warping or cracking over time.
In addition to their durability, plastic binders offer versatility in terms of size, colour, and customisation options. They are available in various sizes to accommodate different sheet sizes and paper types, such as letter-size or mini poly binders. Plastic binders also come in a wide range of colours, allowing users to choose options that suit their personal style and preferences. Customisation options, such as labels, inserts, and covers, further enhance the functionality and visual appeal of plastic binders.
Overall, plastic binders are a durable and long-lasting solution for organising documents. Their sturdy construction, resistance to wear and tear, and ability to withstand extreme temperatures make them a reliable choice for individuals and businesses seeking a stylish and efficient way to manage their important documents.
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Plasticizers make PVC soft and flexible
Polyvinyl Chloride (PVC) is the third most widely used plastic. In its untreated form, PVC is hard and brittle. However, when plasticizers are added, it becomes suitable for a wide range of applications, including vinyl siding, roofing, vinyl flooring, rain gutters, plumbing, and electric wire insulation/coating.
Plasticizers are additives that increase the plasticity or fluidity of the material to which they are added. They are commonly added to polymers and plastics such as PVC to improve their flexibility, workability, or distensibility. Plasticizers are especially key to the usability of PVC.
Plasticizers work by embedding themselves between the chains of polymers, spacing them apart and increasing the "free volume" within the polymer matrix. This reduces the rigidity of the polymer chains, allowing them to move more freely and increasing their pliability. The molecules of plasticizers take control of the mobility of the polymer chains, and as they are not chemically bound to the macromolecules, they are free to self-associate and associate with the polymer molecules.
The polar component of the plasticizer molecule binds reversibly with the PVC polymer, softening the PVC. The non-polar component of the molecule allows the PVC interaction to be controlled, so it is not as powerful as a solvator to destroy the crystallinity in PVC. It also adds free volume, aids the shielding effect, and provides lubricity. The balance between polar and non-polar portions of the plasticizer molecule is critical to controlling the solubilizing effect. If a plasticizer is too polar, it can destroy crystallites; if it is too non-polar, it will cause compatibility problems in PVC.
Common plasticizers used in PVC include DEHP, DINP, and bio-based alternatives like ESBO and citrates.
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Plastic binders are highly customizable
Plastic binders, also known as poly binders, are made of plastic material with no wrapping. They are highly customisable, with options to tailor the product to specific needs. Polyethylene is the standard material for poly binders, with varying thicknesses of 23G, 35G, 55G, and 75G. Alternatively, custom polypropylene binders can be made, with tinted or transparent options and thicknesses of 20G or 30G.
Printing can be customised with 1-4 colours, both inside and outside the binder. Exposed rivets on the spine are a standard feature, but these can be concealed with vinyl for a more professional look. Pockets can also be added to poly binders, with the option of custom-sealed clear pockets or self-stick pockets.
The ring size of poly binders is limited, ranging from 1/2" to 2", depending on the chosen thickness. However, poly binders offer a choice between flexible and rigid options, with varying thicknesses to suit different budgets and use cases. Poly binders are highly durable, easy to clean, and resistant to tears and cracks.
In summary, plastic binders offer a wide range of customisation options in terms of material, thickness, printing, pockets, ring size, flexibility, and durability, making them versatile and adaptable to diverse user requirements.
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Plasticizers are used in concrete and rubber
A plasticizer is a substance that is added to a material to make it softer and more flexible, to increase its plasticity, to decrease its viscosity, and/or to decrease friction during its handling in manufacture. They are commonly added to polymers and plastics such as PVC, to improve their flexibility and durability.
Plasticizers are used in concrete to make it more workable and fluid for pouring, thus reducing the water content required. They are chemical admixtures that decrease the water-cement ratio in concrete by around 5% to 12% and obtain the required consistency. Their addition to the mix increases the concrete's workability and makes it easier to pour and place in accessible locations. Superplasticizers are also known as 'high-range water reducers', and they improve the flowability, strength, and durability of concrete.
Plasticizers are also used in rubber to increase softness, improve filler dispersion, and aid in the breakdown of the elastomer. Natural rubber (NR) is compatible with a variety of oil plasticizers, including paraffinic, naphthenic, and aromatic oil plasticizers. Polybutadiene rubber (BR) plasticizers increase elasticity, lower the processing temperature, improve dispersion of the blend, and enhance tackifying action.
Specialty plasticizers for rubber/elastomers are produced by companies like Hallstar. Their products include Plasthall® 226 (DEEBA) – HT, LT, hydrocarbon fluid and oil resistance, and Plasthall® 7050 – Fuel B resistance, LT, HT, and oil resistance.
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Plastic binders are ideal for organizing loose papers
Plastic binders are a popular choice for individuals and businesses seeking a durable and stylish way to organize loose papers. They are versatile and efficient organizational tools that can benefit a wide range of users, including students, teachers, small business owners, and homeowners. Plastic binders are known for their durability, making them a long-lasting option for keeping documents secure and protected. They can withstand frequent use and are less susceptible to wear and tear compared to paper binders, which can easily tear or bend.
Plastic binders offer a wide selection of sizes and colors to suit various needs. For example, individuals can choose from different material thicknesses, with options ranging from flexible to rigid binders. Ring sizes also vary, typically from 1/2" to 2", depending on the chosen thickness. The versatility of plastic binders allows users to customize them to fit their specific needs and preferences. From clear view covers to customizable spines, users can personalize their binders to make them stand out and reflect their unique style.
The durability and versatility of plastic binders make them a practical choice for various applications. They can be used to organize class notes, handouts, and study materials for students; store invoices, receipts, and contracts for small business owners; facilitate lesson plan creation, worksheet development, and grading rubric design for teachers; and help homeowners keep important documents such as warranties, manuals, and receipts organized and easily accessible. Plastic binders offer a structured way to store and categorize documents, ensuring efficient document retrieval when needed.
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Frequently asked questions
A plastic binder is an organic compound that is used to bind powder particles and provide flexibility in the green compact during the slip casting process. Binders generally include polysulfide rubber, polyurethane, polyvinyl chloride, and polybutadiene.
A plasticizer is a substance added to materials like plastics and polymers to make them softer, more flexible, and easier to handle during manufacturing. They are especially important for polyvinyl chloride (PVC), where they improve flexibility, durability, and workability.
A plastic binder is used to provide binding strength and adhesion, while a plasticizer is added to increase softness, flexibility, and processability. Binders are essential for holding materials together, while plasticizers enhance the workability and fluidity of the material.
PVC is naturally hard and brittle, so plasticizers are added to make it softer and more flexible for various applications. By adding plasticizers, PVC becomes suitable for products like vinyl siding, roofing, flooring, plumbing, and electric wire insulation.
Plasticizer molecules embed themselves between polymer chains, increasing the "free volume" and lowering the glass transition temperature, making the polymer softer and more flexible. The mobility of the polymer chain is influenced by the presence of plasticizer molecules, which can associate and disassociate dynamically.
