Superplasticizer
Superplasticizers ( SPs ), also known as high range water reducers, are additives used in making high strength concrete. Plasticizers are chemical compounds that enable the production of concrete with approximately 15% less water content. Superplasticizers allow reduction in water content by 30% or more.
Plasticizers: Types, Uses, Classification, Selection & Regulation
Still the world’s most widely used PVC plasticizer DINP, DIDP: High molecular weight ortho-phthalates Aliphatic dibasic acid Esters – These include chemicals such as glutarates, adipates, azelates and sebacates. They are made from aliphatic dibasic acids such as adipic acid and alcohols.
Selecting Plasticizers for Adhesives and Sealants
The main plasticizer families that are used in adhesive and sealant formulations are: Adipates Benzoates Citrates Phosphates Phthalates ,and Trimellitates The average chemical and physical properties represented by plasticizers within these families are shown in the Table below.
Plasticizers - Chemical Economics Handbook (CEH) | S&P Global - IHS Markit
Overall, global plasticizer consumption will grow at a rate of about 3.5% per year in the next few years. Phthalate esters, based on phthalic acid, are the main types of plasticizers used since they satisfy a broad range of processing and performance requirements, as well as a large number of markets.
Plasticizer - an overview | ScienceDirect Topics
Plasticizers such as DIDP or DPHP are used for products needing greater permanence; automotive interior trim applications will focus on DIDP, DPHP, L9P, L911P, L11P, and trimellitates to meet fogging requirements.
- What are the different types of plasticizers?
- Plasticizers are classified into different categories based on their chemical composition and function. Below are the most common types: Phthalates are the most widely used plasticizers, particularly in PVC applications. They are derived from phthalic acid and help in imparting flexibility, heat resistance, and durability to products.
- What is a primary plasticizer?
- A primary plasticizer enhances elongation, softness and flexibility of polymer. They are highly compatible with polymers and can be added in large quantities. For example: up to 50% of vinyl gloves are made up of plasticizers, which make the PVC flexible and soft enough to wear.
- What materials use plasticizers?
- Many different materials use plasticizers, including PVC, rubber, plastics, etc. In fact, the discovery of plasticizers has almost made the polymer industry possible. Without plasticizers, most polymers would be too brittle and hard to use.
- How do plasticizers affect the performance of PVC materials?
- Plasticizers modify the performance properties of PVC materials by increasing their flexibility, reducing brittleness, and enhancing impact resistance. The type and amount of plasticizer used can also affect other properties such as tensile strength, elongation at break, and thermal stability.
- What are the different types of phthalate plasticizers?
- Among them, the most common are: Phthalate Esters – Produced by esterification of phthalic anhydride or phthalic acid. Obtained by the oxidation of orthoxylene or naphthalene. Most commonly used phthalate plasticizers include: DEHP: Low molecular weight ortho-phthalate. Still the world’s most widely used PVC plasticizer
- What are plasticizers used for?
- By reducing intermolecular forces within polymers, plasticizers improve the elasticity and usability of products in numerous industries, from construction to healthcare. Understanding the different types of plasticizers and their respective applications is crucial for selecting the right material for specific industrial and commercial uses.
