1、Designation:D776711(Reapproved 2018)Standard Test Method toMeasure Volatiles from Radiation Curable AcrylateMonomers,Oligomers,and Blends and Thin Coatings Madefrom Them1This standard is issued under the fixed designation D7767;the number immediately following the designation indicates the year ofor
2、iginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This test method describes a means to determine thepercentage of pro
3、cessing,potential,and total volatiles fromradiation curable acrylate monomers,oligomers,and blends.The results can be used to estimate the volatiles from thinradiation curable coatings that cannot otherwise be measuredwith the restriction that those coatings are not subjected to apre-exposure water
4、or solvent drying step.It also provides ameans to determine the volatiles of thin radiation curablecoatings in the absence of known interferences such aspigments in inks.1.2 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.3 Thi
5、s standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.This standard doesnot pur
6、port to address all of the safety concerns,if any,associated with its use.It is the responsibility of the user of thisstandard to establish appropriate safety,health,and environ-mental practices and determine the applicability of regulatorylimitations prior to use.1.4 This international standard was
7、 developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Do
8、cuments2.1 ASTM Standards:2D5403 Test Methods for Volatile Content of Radiation Cur-able MaterialsE145 Specification for Gravity-Convection and Forced-Ventilation OvensE177 Practice for Use of the Terms Precision and Bias inASTM Test MethodsE691 Practice for Conducting an Interlaboratory Study toDet
9、ermine the Precision of a Test Method2.2 Other Document:3EPA Method 24 Determination of Volatile Matter Content,Water Content,Density,Volume Solids,and Weight Solidsof Surface Coatings3.Terminology3.1 Definitions:3.1.1 cure,nconversion of a coating from its applicationstate to its final use state me
10、asured by tests generally related toend use performance and mutually agreeable to supplier andpurchaser.3.1.2 electron beam(EB)curing,nconversion of a coatingfrom its application state to its final use state by means of amechanism initiated by electron impingement generated byequipment designed for
11、that purpose.3.1.3 pigment,nan insoluble substance added to a formu-lation to modify the visual appearance of a coating made fromthe formulation.3.1.4 potential volatiles,nthe percentage loss in specimenweight upon heating at 110C for 60 min after radiation curing.1This test method is under the juri
12、sdiction of ASTM Committee D01 on Paintand Related Coatings,Materials,and Applications and is the direct responsibility ofSubcommittee D01.21 on Chemical Analysis of Paints and Paint Materials.Current edition approved June 1,2018.Published June 2018.Originallyapproved in 2011.Last previous edition a
13、pproved in 2011 as D7767 11.DOI:10.1520/D7767-11R18.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available fro
14、m U.S.Government Printing Office Superintendent of Documents,732 N.Capitol St.,NW,Mail Stop:SDE,Washington,DC 20401,http:/www.access.gpo.gov.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accord
15、ance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 3.1.5 processing volatiles,nthe per
16、centage loss in speci-men weight under process conditions that are designed tosimulate actual industrial cure processing conditions.3.1.6 retained weight,nthe mass of specimen remainingafter exposing to the UV source,heating in an oven,or both.3.1.7 thin,adjless than 15 micrometres in thickness.3.1.8 total volatiles,nthe percentage loss in specimenweight under process conditions that are designed to simulateactual industrial cure processing conditions and after heating at110C for 60 min.3.1.9 ul