This is the free portion of the full article. The full article is available to licensed users only.
How do I get access?


\ji-ˈlā-shәn\ n [L gelation-, galatio, fr. gelare] (1854) The formation of a Gel. With regard to vinyl plastisols and organosols, gelation is the change of state from the liquid suspension of the solid condition that occurs in the course of heating and/or aging, when the plasticizer has been mostly absorbed by the resin, resulting in a dry but weak and crumbly mass. Within normal proportions of resin and plasticizer, this state is attained when the resin particles have soaked up so much plasticizer that they touch each