Plasticizer

​Plasticizers: Enhancing Polymer Performance

​1. Definition & Function

​Plasticizers are additives incorporated into ​plastics, resins, and elastomers to:✅ ​Increase flexibility and reduce brittleness.✅ ​Lower the glass transition temperature (Tg), improving softness and elongation.✅ ​Enhance processability (ease of molding, extrusion, etc.).

​2. Key Properties

Property	Description
​Compatibility	Must be miscible with the polymer (e.g., phthalates in PVC).
​Volatility	Low volatility ensures long-term performance.
​Thermal Stability	Resists degradation at processing temperatures.
​Toxicity	Some phthalates are restricted (e.g., DEHP); alternatives like DOTP are safer.

​3. Common Types

Type	Examples	Applications
​Phthalates	DEHP, DINP, DIDP	​PVC products (cables, flooring, toys).
​Non-Phthalates	DOTP, ATBC, TOTM	​Medical devices, food packaging.
​Polymeric	Polyesters, adipates	​High-performance elastomers.
​Bio-based	Citrates, soybean oil	​Eco-friendly plastics.

​4. Applications

​AutomotiveSoft PVC for ​wire insulation, dashboards, and seals.​MedicalFlexible tubing, ​blood bags (non-toxic plasticizers required).​Packaging​Food wraps, cling films (ATBC, acetyl tributyl citrate).​Coatings & AdhesivesImproves ​film flexibility and adhesion.

​5. Safety & Regulations

​Restricted Plasticizers: DEHP, DBP (banned in toys and childcare products under ​REACH, RoHS).​Alternatives:​DOTP (DEHP-free) for cables and medical applications.​Epoxidized soybean oil (ESBO) for food-contact materials.

Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.