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Analytical Observations Regarding Butvar B-98 and Paraloid B-72 Blends as a Suitable Adhesive in Hot Climates

Published online by Cambridge University Press:  20 February 2017

Paige L. Schmidt ,
Aaron Shugar  and
Rebecca Ploeger
Paige L. Schmidt*
Affiliation:
Art Conservation Department SUNY Buffalo State College Rockwell Hall 230 1300 Elmwood Ave, NY14222
Aaron Shugar
Affiliation:
Art Conservation Department SUNY Buffalo State College Rockwell Hall 230 1300 Elmwood Ave, NY14222
Rebecca Ploeger
Affiliation:
Art Conservation Department SUNY Buffalo State College Rockwell Hall 230 1300 Elmwood Ave, NY14222
*
*(Email: [email protected])
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Abstract

An adhesive that can withstand elevated temperatures is necessary for the conservation of artifacts in hot climates. The use of Butvar B-98 as a modifier to raise the glass transition temperature of Paraloid B-72 was investigated. The characteristics of B-48N and B-72 blends, currently in use in the field of conservation, were used as a comparison for analysis of the B-98 and B-72 blends. Differential Scanning Calorimetry (DSC) was used to determine the glass transition temperatures (Tg) of the blends and shear testing was used to investigate the shear strength of the blends. While the B-98 and B-72 blends attained elevated glass transition temperatures and performed well during shear testing, issues regarding miscibility and phase separation of the blends were investigated using transmission FTIR, DSC, and optical microscopy.

Keywords

adhesivearchaeologyart
Type
Articles
Information
MRS Advances , Volume 2 , Issue 35-36: Materials Issues in Art and Archaeology XI , 2017 , pp. 1927 - 1941
Copyright
Copyright © Materials Research Society 2017 

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