Analysis of information sources in references of the Wikipedia article "Codex Eyckensis" in English language version.
In the '60s, people believed in the eternal existence of plastics
In 1957, the parchment of the Codex Eyckensis (8th century) was systematically laminated with the commercial plastic film, Mipofolie.
In the '60s, people believed in the eternal existence of plastics
High-level destructiveness analysis of synthetic membranes without touching the 8th century parchment of the Codex Eyckensis revealed a polyvinylchloride polymer with 30 % (w/w) monomeric plasticizer;
After just a few decades, the laminate had itself decayed, accelerating the destruction of the manuscripts. In 1990, a team led by Jan Wouters of the Royal Institute for Cultural Heritage in Brussels had to painstakingly peel away the PVC film (The Paper Conservator, vol 19, p 5).
In 1957, the parchment of the Codex Eyckensis (8th century) was systematically laminated with the commercial plastic film, Mipofolie.
