Selecting Plasticizers for Adhesives and Sealants Malaysia

  • Selecting Plasticizers for Adhesives and Sealants Malaysia
  • Selecting Plasticizers for Adhesives and Sealants Malaysia
  • Selecting Plasticizers for Adhesives and Sealants Malaysia
  • What types of plasticizers are used in adhesives & sealants?
  • Oils (like paraffinic, naphthenic, and aromatic) are used mainly as plasticizers in non-polar adhesives. These are generally used in the hot-melt adhesives and sealants. Base polymers include the mid-blocks of styrene-butadiene copolymers and polyolefin-based adhesives. Polymeric plasticizers are used frequently in adhesives and sealants.
  • Why should you choose a plasticizer that is compatible with polymer?
  • By choosing a plasticizer that is compatible with the polymer, it protects the plasticizer for leaching out of the product and thus losing the benefits of plasticization. Plasticizer permanence, or resistance to migration out of the adhesive or sealant, plays a role in the longevity of a product.
  • What are the different types of plasticizers used in caulks and sealants?
  • Phthalates and terephthalates are an example of effective plasticizer chemistries used in caulks and sealants. This group includes plasticizers such as Butyl Benzyl Phthalate (BBP), DIHP, Diisononyl Phthalate (DINP), Dioctyl Terephthalate (DOTP), and DBT. Dibenzoate plasticizers such as Dipropylene Gycol Dibenzoate are also commonly used.
  • Which polymers can be plasticized?
  • Almost all types of polymers can be plasticized. However, the plasticizer must be compatible with the base polymer in a formulation to function efficiently. Compatibility is the first and most important criterion for selecting a plasticizer. 1. Base Polymer Almost all types of polymers can be plasticized.
  • What is plasticizer compatibility?
  • Plasticizer compatibility is the key to plasticizer performance in adhesives and sealants. In latex systems, compatibility can be assessed by observing the viscosity increase after the addition of the plasticizer and by observing the clarity of a cast film of the plasticized adhesives.
  • How to choose a plasticizer?
  • However, the plasticizer must be compatible with the base polymer and other additives in a formulation to function efficiently. Compatibility is the first and most important criterion for selecting a plasticizer. Within each family there are many variations. For example, there are over 30 different types of phthalates on the market.

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