Because plasticizer migration from vinyls to the adhesive bond line can cause problems adhesives selected must be tested for their compatibility with the plasticizer.
Plasticizer migration vinyl flooring.
When vinyl is made the resin and plasticiser are held together through electromotive forces as a solid solution.
There are many non reactive floor sealants available that can minimize the effects of a reaction and cover up old adhesive that may trigger them as well.
When plasticizer migration happens sheet vinyl can soften discolor loosen crack or turn brittle.
Two common plasticisers are mineral oil and hydrocarbon oil.
What is plasticizer migration.
Incorporation into the wear or clear layers of a construct imparts excellent stain and uv resistance.
They re also used in adhesives to improve tack or stickiness.
Nevertheless migration of plasticizer causes severe variation of the mechanical performance of the end products.
Most vinyl flooring contains plasticizers in order to confer flexibility and traditionally those plasticizers have been made from petroleum based phthalates though in recent years most suppliers.
Benzoflex rf 532 is a high solvating plasticizer that may be used in foam clear or wear layers.
Over time the plasticiser chemical in the vinyl migrates out and is absorbed into.
For example plasticizer can and does migrate from vinyl to the adhesive adhering it to a substrate.
Benzoflex rf 532 plasticizer benzoflex rf 532 is a benzoate ester specifically designed for resilient vinyl flooring applications.
Plasticizers can also migrate from one plasticized material to another substrate.
The best way to avoid this in sheet vinyl is to prime and seal the sub floor.
This is what is occurring in our example above.
Heat will accelerate this activity.
For example a rubber mat placed on a bathroom floor covered with vinyl may eventually leave a yellowish stain where the mat made contact with the vinyl.
Plasticizer migration can cause flooring tiles to discolor soften or in the worst case scenario slide around as the adhesives dissolve into an oozing mess and stop holding the floor tiles in place.
Plasticizer migration happens when the pvc found in some flooring tiles or backings reacts with adhesive left over from previous installations.
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Plasticiser migration plasticisers are used in vinyl flooring products to soften the material and improve its flexibility.
