Plasticiser loss from plastic or rubber products through
Table 1 The reported occurrence of the two migration modes for different polymerplasticiser systems (The division into the two migration modes is based on the main features at each...
repair advice needed about wood table damaged by plastic cover
What you are probably seeing is a phenomenon called "plasticizer migration." The way I explain it is that the chemicals in the plastic to keep it soft and flexible migrate into the finish and do the same there. There is no saving the damaged finish, it must be removed. What repair is needed depends upon the extent of damage.
Plasticizer Migration? - FineWoodworking
Perhaps the legs of the desk would be suitable for testing if it's a lacquer finish. If so, spraying would re-constitute the finish as mentioned. But that brings its own problems. --Namely surface blemishes (fisheyes, orange peel, etc) when re-sprayed due to the contamination from cleaning products and furniture polishes.
Eastman Product List for Polymeric Plasticizers
Admex 525 is a low molecular weight, polymeric plasticizer. Admex 760 is an ultra-high molecular weight, polymeric adipate. It possesses maximum resistance to extraction, migration and volatility. Admex 770 is a medium molecular weight, polymeric adipate. It is characterized by a mild ester odor and very light color.
Prevent Plasticizer Migration with Vinyl Bonding Solutions
Plasticizers can help to provide longer-lasting performance of products, in some cases extending product performance to 50 years or more. Without the use of plasticizers, PVC would only be rigid such as the PVC type of pipes we are all familiar with. Plasticizer Migration and Vinyl Bonding
- Do plasticizers migrate better than SML?
- Migration performance of conventional and new plasticizers were investigated. Distinct migration was due to different interactions between the plasticizers. Correlation between migration and tensile properties of the films was done. Most of commercial samples showed migration lower than SML established.
- Do polymeric plasticizers migrate?
- The related researches on polymeric plasticizer and macromolecule plasticizers mainly focus on molecular structure design and migration in different solvents [, , ]. It is effective to prevent plasticizers migration via introducing branched chains and polar groups in their chemical structure [78, 79].
- Do plasticizers migrate into acidic foodstuffs?
- Thus, it has been demonstrated that a contact for prolonged time up to 40 °C did not promote the migration of plasticizers into acidic foodstuffs, but the migration of plasticizers to fatty foods can be high (75%–90% loss of plasticizers) and limit the use of PVC films as fatty food packaging. 1. Introduction
- Does a high degree of branching affect plasticizing efficiency?
- The high degree of branching for PBA has positive effect on plasticizing efficiency . The migration of plasticizer is avoided via using PBA plasticizers, the polyester plasticizers with linear chains and hyperbranched chains exhibit excellent plasticizing effect on PVC and improve thermal stability of PVC materials.
- Do plasticizers migrate into food simulants?
- In addition, commercial films have been evaluated as to plasticizers concentration and specific migration into food simulants. It was found that 25% of the samples comply with the specific migration limits for fatty foods contact while 50% might be used for contact with fatty foods with FRF 2–5.
- Why do plasticizers migrate more than ESBO?
- The greater migration of these plasticizers in comparison to ESBO is because they are monomeric and therefore have greater mobility and greater diffusion coefficient in the molecular structure of PVC than ESBO.
