Difference between revisions of "Elvacite"

From CAMEO
Jump to navigation Jump to search
 
Line 1: Line 1:
 
== Description ==
 
== Description ==
 
+
[[[SliderGallery rightalign|Elvacite 2004 FTIR.PNG~FTIR|Elvacite2004IR.jpg~FTIR]]]
 
[Lucite International] A registered trademark for a series of polymers composed of ethyl or butyl methacrylate resins. Previously called Lucite® resins, these acrylics were tried as picture varnishes in the 1930s and 40s because they were resistant to yellowing. However subsequent testing has shown that the butyl methacrylates crosslink when exposed to light and become 50% insoluble after 22 years (Feller, 1971). Additionally Elvacite® 2044 has a low glass transition point, which makes it soft and susceptible to dirt collection.  
 
[Lucite International] A registered trademark for a series of polymers composed of ethyl or butyl methacrylate resins. Previously called Lucite® resins, these acrylics were tried as picture varnishes in the 1930s and 40s because they were resistant to yellowing. However subsequent testing has shown that the butyl methacrylates crosslink when exposed to light and become 50% insoluble after 22 years (Feller, 1971). Additionally Elvacite® 2044 has a low glass transition point, which makes it soft and susceptible to dirt collection.  
  
Line 13: Line 13:
  
 
Lucite® resin [DuPont]
 
Lucite® resin [DuPont]
 
[[[SliderGallery rightalign|Elvacite 2004 FTIR.PNG~FTIR|Elvacite2004IR.jpg~FTIR]]]
 
  
 
==Physical and Chemical Properties==
 
==Physical and Chemical Properties==

Latest revision as of 14:49, 1 August 2022

Description

FTIR

Elvacite 2004 FTIR.PNG

FTIR

Elvacite2004IR.jpg

[Lucite International] A registered trademark for a series of polymers composed of ethyl or butyl methacrylate resins. Previously called Lucite® resins, these acrylics were tried as picture varnishes in the 1930s and 40s because they were resistant to yellowing. However subsequent testing has shown that the butyl methacrylates crosslink when exposed to light and become 50% insoluble after 22 years (Feller, 1971). Additionally Elvacite® 2044 has a low glass transition point, which makes it soft and susceptible to dirt collection.

  • Elvacite® 2043 - ethyl methacrylate; Tg = 65C.
  • Elvacite® 2044 - n-butyl methacrylate; Tg = 20C.
  • Elvacite® 2045 - isobutyl methacrylate; Tg = 50C.
  • Elvacite® 2046 - a 1:1 mixture of 2044 and 2045; Tg = 35C.
  • Elvacite® 2013
  • Elvacite® 2028

Synonyms and Related Terms

Lucite® resin [DuPont]

Physical and Chemical Properties

  • Soluble in turpentine, ligroin, toluene.
  • Refractive Index = 1.483

Resources and Citations

  • J. Down, M.MacDonald, J.Te'treault, S.Williams, Adhesive Testing at the Canadian Conservation Institute-An Evaluation of Selected Poly(Vinyl acetate) and Acrylic Adhesives", Studies in Conservation 41:19-44, 1996.
  • C.V.Horie, Materials for Conservation, Butterworth-Heineman, London, 1997
  • Marie Svoboda, Conservation Survey Index, unpublished, 1997
  • Teri Hensick, contributed information, 1998
  • Cricket Harbeck, Adhesives Commonly used in Objects Conservation, unpublished, 1996

Retrieved from "https://cameo.mfa.org/index.php?title=Elvacite&oldid=90492"