A Strategy for Nonmigrating Highly Plasticized PVC - Nature
Glass Transition Temperature. As shown in Fig. 5, glass temperatures (Tgs) of DOP-plasticized and DOP-O-CP52-plasticized PVC were studied with respect to the ratio of plasticizers to PVC.Both Tgs
Secondary Plasticizers | Galata chemicals
Focusing our efforts on delivering greener and more sustainable solutions, the DRAPEX plasticizers are manufactured from renewable feedstock and effectively serve as both secondary plasticizers and co-stabilizers in nearly all PVC systems. Epoxidized plasticizers impart good weathering stability and can also act as an internal lubricant or
Epoxies - Reactive Prepolymers | Valtris Specialty Chemicals
These epoxies are secondary plasticizers and co-stabilizers for PVC, used in a wide variety of applications including flooring, construction, automotive, roof covering, medical and food contact film. Our Epoxy plasticizers are used to add flexibility to PVC and boost heat stability during processing and the final article lifetime. These
Mesamoll | The universal plasticizer | LANXESS
Mesamoll has a low dissolution temperature of about 120 degree C and is an efficient primary and secondary plasticizer for PVC. In addition, Mesamoll is a versatile plasticizer demonstrated by divers usability, including PUR sealants and adhesives, in acrylates for metal coatings and in NBR rubbers.
Plasticizers: Types, Uses, Classification, Selection & Regulation
Secondary plasticizers are variously used for: Cost reduction Viscosity reduction Solvency enhancement Surface lubricity augmentation, and Low temperature property improvement Extenders are a subset of secondary plasticizers. They are commonly employed with primary plasticizers to reduce costs in general purpose flexible PVC.
- 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.
- How do plasticizers affect polymers?
- Plasticizers are substances which, by virtue of their polar or polarizable structure, weaken the secondary valence forces of polymers. By adding plasticizers to compatible polymers, the materials can be modified in such a way that they become soft and flexible by decreasing their glass transition temperature.
- How are plasticizers classified?
- Plasticizers are classified according to their molecular structure into monomeric or polymeric types. The choice of the plasticizer is dependent on the requirements that have to be met for the final product and the conditions around that product’s use.
- How can plasticizers be used to make polymers soft and flexible?
- By adding plasticizers to compatible polymers, the materials can be modified in such a way that they become soft and flexible by decreasing their glass transition temperature. Plasticizers are classified according to their molecular structure into monomeric or polymeric types.
- How to choose a plasticizer?
- The choice of the plasticizer is dependent on the requirements that have to be met for the final product and the conditions around that product’s use. This may include low volatility, high permanence, low temperature flexibility, flame retardancy, high thermal stability and saponification resistance.
- What are natural product type plasticizers?
- Vegetable oil derivatives are the most widely used natural product type plasticizers. Products consisting of triglyceride esters of unsaturated fatty acids (e.g., soybean oil, linseed oil) in which the double bonds in the fatty acid residues have typically been epoxidized have been commercial products for decades.
