Difference between revisions of "Lead drier"

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== Description ==
 
  
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Organic salts of lead used to speed the curing time of [http://cameo.mfa.org/materials/fullrecord.asp?name=drying oil drying oils]. Lead driers act as a polymerization catalyst, curing the film evenly. It is sometimes mixed with [http://cameo.mfa.org/materials/fullrecord.asp?name=cobalt drier cobalt driers] to aid in hardening the lower portions of an oil film. Examples of lead driers are: [http://cameo.mfa.org/materials/fullrecord.asp?name=lead acetate lead acetate], [http://cameo.mfa.org/materials/fullrecord.asp?name=lead linoleate lead linoleate], [http://cameo.mfa.org/materials/fullrecord.asp?name=lead oleate lead oleate], and [http://cameo.mfa.org/materials/fullrecord.asp?name=lead naphthenate lead naphthenate]. Some lead pigments also act as driers, such as [http://cameo.mfa.org/materials/fullrecord.asp?name=lead oxide lead oxide] and [http://cameo.mfa.org/materials/fullrecord.asp?name=lead carbonate, basic basic lead carbonate]. Because of laws banning the use of lead additives, lead driers are no longer commonly used. Replacement driers include salts of [http://cameo.mfa.org/materials/fullrecord.asp?name=calcium calcium] and [http://cameo.mfa.org/materials/fullrecord.asp?name=zirconium zirconium].
 
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== Synonyms and Related Terms ==
 
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siccative; secativo de plomo (Esp.); siccatif  base de plomb (Fr.); secativo de chumbo (Port.)
 
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== Hazards and Safety ==
 
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Toxic by inhalation or ingestionSkin contact may cause irritation or ulcers.Carcinogen, teratogen, suspected mutagen.
 
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== Authority ==
 
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* Guy Weismantel, Guy Weismantel, ''Paint Handbook'', McGraw-Hill Book Company, New York, 1981
 
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[[Category:Materials database]]
 

Revision as of 06:50, 24 July 2013

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