| http://www.w3.org/ns/prov#value | - In addition, the presence of plasticizers and tackifiers in cling films such as vinyl cling films has, in recent years, been the subject of protest by various environmental groups who are opposed to the use of halogenated polymers such as polyvinyl chloride and to the use of certain additives such as the dioctyl phthalate plasticizer commonly used in PVC films.
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