1、Designation:D148909Standard Test Method forNonvolatile Content of Aqueous Adhesives1This standard is issued under the fixed designation D1489;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in paren
2、theses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1.Scope1.1 This test method covers the determination of the non-volatile content of
3、aqueous adhesives,such as dextrin,starch,casein,and animal gelatin.1.2 The values stated in SI units are to be regarded as thestandard.The values given in parentheses are for informationonly.1.3 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is
4、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.2.Referenced Documents2.1 ASTM Standards:2D907 Terminology of Adhesives3.Terminology3.1 DefinitionsMany terms in this test meth
5、od are definedin Terminology D907.4.Significance and Use4.1 Adhesive cost is often related to the solids level(non-volatile content).4.2 This test method can be used to compare the nonvolatilecontent of various adhesives for adhesive selection and productuniformity.4.3 This test method is suitable f
6、or quality control andresearch purposes.5.Apparatus and Materials5.1 Analytical Balance,for weighing of specimen,accurateto 60.001 g.5.2 Laboratory Balance,for weighing of sample,accurateto 60.01 g.5.3 Constant-Temperature Oven,capable of maintaining atemperature of 105 6 1C(221 6 2F).5.4 Glass Jar
7、of sufficient size,1 L or more,to store sampleof adhesive prior to testing.The jar shall be such that it can besealed to prevent the loss of volatile content during the storageperiod.5.5 Beakerof 100 mL capacity.5.6 Weighing Bottleswide-mouth cylindrical glass weigh-ing bottles,of flat form,about 30
8、 mm in height and 50 mm indiameter,having interchangeable ground-in glass caps.5.7 Volumetric Flasks,of 200-mL capacity,with glass stop-pers.5.8 Volumetric Pipet,of 10-mL capacity.5.9 Desiccator,with drying agent and tray.5.10 Silica Sand.5.11 Water,Hotdistilled water heated to at least 80C.5.12 Hot
9、 Plate,used to heat the water.6.Sampling6.1 The sample of the adhesive shall be representative of thelot being evaluated.The quantity shall be at least 1.0 L aliquotconsisting of a composite taken,when possible,from three ormore separate containers chosen at random.Thoroughly mixthe sample to unifor
10、m consistency.Immediately place thecomposite sample in an airtight glass jar until tested.7.Procedure7.1 Make sure that the sample in the glass jar is of uniformconsistency before removing a specimen for testing.Inspectthe sample to ensure that there are no signs of settling orseparation of the adhe
11、sive.If settling or separation are noted,mix the samples thoroughly.Other factors,such as foaming orcontamination may require the samples be replaced.1This test method is under the jurisdiction of ASTM Committee D14 onAdhesives and is the direct responsibility of Subcommittee D14.10 on WorkingProper
12、ties.Current edition approved Dec.1,2009.Published January 2010.Originallyapproved in 1957.Last previous edition approved in 2004 as D1489 97(2004).DOI:10.1520/D1489-09.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Bo
13、ok of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 7.2 Test three 10-g specimens from each composite sample.7.3 Weigh about 10 g of adhesi
14、ve into a small beaker to thenearest 0.01 g.Disperse in 50 mL of hot distilled water andtransfer to a 200-mL volumetric flask.Rinse the beaker withsmall portions of hot distilled water and add rinsings to theflask.Dilute to mark with hot distilled water.Perform duplicatetests on each dispersion prep
15、ared in this manner.7.4 Pipet 10 mL of the dispersion into a tared weighingbottle three quarters full of silica sand which has been dried toconstant weight.NOTE1In the case of adhesives that do not reach constant weight,forexample those containing glycerin or slightly volatile plasticizers,makeone w
16、eighing after a specified period of time mutually agreed uponbetween the manufacturer and the purchaser.7.5 Dry the sample in the bottle at 105 6 1C(221 6 2F)in the constant temperature oven until it has reached a constantweight.Determine this by removing the bottle,at predeter-mined times,and quickly weighing it on the scale.Once thesame weight is achieved in two consecutive weighings,returnthe sample to the oven for 5 min more.Then,cover the bottleand cool in a desiccator charged with desiccan