Migration of plasticizers from poly(vinyl chloride) and
PVC has good mechanical, electric, chemical, thermal properties and represents 11% of the plastics market, among which 15% is used for packaging [2]. In certain applications, plasticizers, and phthalates in particular, are added to the PVC resin in order to confer its unique characteristics of flexibility, malleability and durability.
Migrability of PVC plasticizers - ScienceDirect
Different PVC plasticizers, with different chemical structure, have also been used and are listed in Table 1. PVC pastes were prepared by mixing the PVC resin, the plasticizer and the stabilizer in the following proportions: 100 phr (parts per hundred of resin) of PVC, 70 phr of plasticizer and 2 phr of the thermal stabilizer.
Eastman Plasticizers for PVC
Admex 523 is a low molecular weight, polymeric plasticizer. It is characterized by a mild ester odor and very light color. It imparts excellent processability to PVC compositions and is compatible with a wide variety of other polymers. Product availability by region: Asia Pacific | Latin America | North America
Migrability of PVC plasticizers from medical devices into a
The plasticizers in the PVC matrix can leach out into the infused solutions and may enter into contact with the patients. In order to assess the risk of patient exposure to these plasticizers we evaluated the migration performance of DEHP, DEHT, DINCH, and TOTM using a model adapted to the clinical use of the MDs.
Plasticizers | ExxonMobil Product Solutions
DINP plasticizer. Jayflex DINP plasticizer is the largest-volume and preferred general-purpose high-molecular-weight plasticizer for PVC, providing the opportunity for cost savings with a good balance of properties.
- How can we measure plasticizer migration in coextruded PVC pipes?
- Technologically relevant for plasticizer migration studies in coextruded PVC pipes. This study introduces and validates an effective approach for monitoring the plasticizer amount and its concentration profile in polyvinyl chloride (PVC) formulations. The method combines gravimetric measurements with confocal Raman depth profiling analysis.
- Can plasticizers migrate from a PVC film to another polymer?
- The present work introduces a procedure to monitor plasticizers migration from a PVC film to another polymer with which it is in contact. The applicability of the procedure has been demonstrated using nine different plasticizers of three types: phthalates, adipates, and citrates.
- Does PBA absorption affect plasticizer migration from flexible PVC?
- Integrating the profiles in terms of weight ratios, it is found that DEHP is adsorbed 300 % more than PBA, which justifies that gravimetry is insensitive towards PBA absorption. 4. Conclusions In this study, the plasticizer migration from flexible PVC in contact with rigid PVC sheets was investigated.
- Why is extraction and migration of PVC plasticizers important?
- The study of the extraction and migration of PVC plasticizers is of great importance for several reasons. Extraction can occur in PVC films in contact with food, in bags or pipes in contact with biological fluids, such as blood, or even when a child could chew a PVC toy.
- Are PVC plasticizers harmful to patients?
- The plasticizers in the PVC matrix can leach out into the infused solutions and may enter into contact with the patients. In order to assess the risk of patient exposure to these plasticizers we evalu … Migrability of PVC plasticizers from medical devices into a simulant of infused solutions Int J Pharm.
- Why is plasticizer migration a problem for PVC?
- Plasticizer migration from a PVC item to its surroundings can lead to problems such as the modification of the PVC's flexibility and contamination of the media in contact with PVC.
