Difference between revisions of "Hindered amine light stabilizer"

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== Additional Information ==
 
== Additional Information ==
  
° R.de la Rie, "Polymer Stabilizers. A Survey with Reference to Possible Applications in the Conservation Field" ''Studies in Conservation'' 33:9-22,1988. ° J.S. Mills, R.White, ''The Organic Chemistry of Museum Objects'', Butterworth Heinemann, London, 1994.
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° R.de la Rie, "Polymer Stabilizers. A Survey with Reference to Possible Applications in the Conservation Field" ''Studies in Conservation'' 33:9-22,1988.  
  
== Authority ==
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° J.S. Mills, R.White, ''The Organic Chemistry of Museum Objects'', Butterworth Heinemann, London, 1994.
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== Sources Checked for Data in Record ==
  
 
* John S. Mills, Raymond White, ''The Organic Chemistry of Museum Objects'', Butterworth Heineman, London, 2nd ed., 1994
 
* John S. Mills, Raymond White, ''The Organic Chemistry of Museum Objects'', Butterworth Heineman, London, 2nd ed., 1994

Latest revision as of 06:17, 1 May 2016

Description

A class of antioxidant added to varnishes and polymers to minimize photochemical degradation. Hindered amine light stabilizers (HALS) act as a catalyst to deactivate the peroxy radicals. Thus, they are effective without being consumed. Many HALS additives are derivatives of 2,2,6,6-tetramethylpiperidine. (Mills and White 1994).

Synonyms and Related Terms

HALS; Tinuvin 292 [Ciba-Geigy]; Chimasorb 944 [Ciba-Geigy]; Mixxim 57 [Fairmont];

Additional Information

° R.de la Rie, "Polymer Stabilizers. A Survey with Reference to Possible Applications in the Conservation Field" Studies in Conservation 33:9-22,1988.

° J.S. Mills, R.White, The Organic Chemistry of Museum Objects, Butterworth Heinemann, London, 1994.

Sources Checked for Data in Record

  • John S. Mills, Raymond White, The Organic Chemistry of Museum Objects, Butterworth Heineman, London, 2nd ed., 1994
  • External source or communication Comment: R.de la Rie, C.McGlinchy "Stabilized Dammar Picture Varnish" Studies in Conservation 34:137-146