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The pen that more than any other is considered the prototype of plastic resins fountain pens, is the famous [[Parker 51]], created in 1939, but marketed extensively only since 1941. The body of the pen, so as the section and the shell that protects the [[hooded nib]] was realized in ''"[[Lucite]]"''.  

The pen that more than any other is considered the prototype of plastic resins fountain pens, is the famous [[Parker 51]], created in [[1939]], but marketed extensively only since [[1941]]. The body of the pen, so as the section and the shell that protects the [[hooded nib]] was realized in ''"[[Lucite]]"''.  

But [[Parker]] was not the first manufacturer to use these new materials, well before the official launch of [[51]], in 1939, [[Waterman]] launched the [[Hundred Year]] model, also produced with the same material, [[Lucite]], which was probably the first major model produced in plastic resin. Another great success plastic resin model was the  [[Eversharp]] [[Skyline]], made in [[polystyrene]]. Since the '50s, most manufacturers began to abandon [[celluloid]], which until then was the dominant material, to switch to the use of different kind of plastic resins.

But [[Parker]] was not the first manufacturer to use these new materials, well before the official launch of [[51]], in [[1939]], [[Waterman]] launched the [[Hundred Year]] model, also produced with the same material, [[Lucite]], which was probably the first major model produced in plastic resin. Another great success plastic resin model was the  [[Eversharp]] [[Skyline]], made in [[polystyrene]]. Since the '50s, most manufacturers began to abandon [[celluloid]], which until then was the dominant material, to switch to the use of different kind of plastic resins.

When plastic resins entered the market, they showed considerable advantages, first of which was the ease of the their processing. Parts which could be made with injection molded plastic favored the industrialization of the production at much lower prices. Furthermore, these new plastics were also much more resistant to the corrosive agents; in fact one of the reasons for which the [[Parker 51]] resorted to ''[[Lucite]]'' was the need to resist the corrosive effects of a new fast drying ink, introduced together with the pen.  

When plastic resins entered the market, they showed considerable advantages, first of which was the ease of the their processing. Parts which could be made with injection molded plastic favored the industrialization of the production at much lower prices. Furthermore, these new plastics were also much more resistant to the corrosive agents; in fact one of the reasons for which the [[Parker 51]] resorted to ''[[Lucite]]'' was the need to resist the corrosive effects of a new fast drying ink, introduced together with the pen.  

Furthermore some plastics could lend to the creation of mixed materials of considerable interest. Among them probably the most interesting was the ''[[Makrolon]]'' (the name used by Bayer) version introduced in [[1966]] by [[Lamy]] for his famous [[Lamy 2000]] model, a mixed fiber glass polycarbonate with high mechanical strength, and a particular black/gray color coming from the weaving of the glass fibers.

Furthermore some plastics could lend to the creation of mixed materials of considerable interest. Among them probably the most interesting was the ''[[Makrolon]]'' (the name used by Bayer) version introduced in [[1966]] by [[Lamy]] for his famous [[Lamy 2000]] model, a mixed fiber glass polycarbonate with high mechanical strength, and a particular black/gray color coming from the weaving of the glass fibers.

Nowadays almost all pens are made in some kind of plastic resin, more or less shiny or resistant depending on the implementation. The evolution of technology also allows the creation of colorful plastics, whose brilliance and variety of colors has little to envy to [[celluloid]]. However, all of these are fully automated industrial productions, with a very low production cost, regardless of how someone can call them "precious". The celluloid long production times and the impossibility to process it by injection mold, made it a much more expensive material, and this is also why there was a return to it in recent years, as a distinctive feature of some luxury pens.

Nowadays almost all pens are made in some kind of plastic resin, more or less shiny or resistant depending on the implementation. The evolution of technology also allows the creation of colorful plastics, whose brilliance and variety of colors has little to envy to [[celluloid]]. However, all of these are fully automated industrial productions, with a very low production cost, regardless of how someone can call them "precious". The celluloid long production times and the impossibility of its processing by injection mold, made it a much more expensive material, and this is also why there was a return to it in recent years, as a distinctive feature of some luxury pens.

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==Notes==

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