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    ASTM D6150-1997(2003) Standard Test Method for Estimating Processing Losses of Plastisols and Organosols Due to Volatility《由于挥发导致的塑料溶胶和有机溶胶的估计加工损失的标准试验方法》.pdf

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    ASTM D6150-1997(2003) Standard Test Method for Estimating Processing Losses of Plastisols and Organosols Due to Volatility《由于挥发导致的塑料溶胶和有机溶胶的估计加工损失的标准试验方法》.pdf

    1、Designation: D 6150 97 (Reapproved 2003)Standard Test Method forEstimating Processing Losses of Plastisols and OrganosolsDue to Volatility1This standard is issued under the fixed designation D 6150; the number immediately following the designation indicates the year oforiginal adoption or, in the ca

    2、se of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This test method describes a procedure for the determi-nation of the relative volatility

    3、of polyvinyl chloride plastisolsand organosols at elevated temperatures.1.2 The values stated in SI units are to be regarded as thestandard. The values given in brackets are for information only.1.3 The text of this standard references notes and footnoteswhich provide explanatory material. These not

    4、es and footnotes,excluding those in tables and figures, shall not be considered asrequirements of this standard.1.4 This 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 saf

    5、ety and health practices and determine the applica-bility of regulatory limitations prior to use.NOTE 1There are no ISO standards equivalent to this test method.2. Referenced Documents2.1 ASTM Standards:D 618 Practice for Conditioning Plastics for Testing2D 883 Terminology Relating to Plastics2D 160

    6、0 Terminology for Abbreviated Terms Relating toPlastics2E 145 Specification for Gravity-Convection and Forced-Ventilation Ovens33. Terminology3.1 DefinitionsThe terms used in this test method are inaccordance with Terminology D 883 and abbreviations are inaccordance with Terminology D 1600, unless o

    7、therwise indi-cated.4. Summary of Test Method4.1 Plastisols or organosols are weighed in aluminum dishesand heated in a circulating air oven at 177C 350F for 10min. The specimens are removed from the oven, cooled, andreweighed. The weight loss is determined and reported aseither percent weight loss

    8、or weight loss per unit area ofexposed surface.5. Significance and Use5.1 The volatile components of a plastisol or organosolinfluences the weight loss during processing. In addition, thisinformation may be useful to the producer and user and toenvironmental interests for estimating the volatiles em

    9、itted bythe plastisol or organosol during processing.5.2 Results obtained by this test method are not strictlyequivalent to those experienced during product processingwherein conditions of temperature, air flow, coating mass, andconfiguration may be quite different.5.3 This test method may not be ap

    10、plicable to all types ofplastisol and organosol applications. Any change in the speci-fied testing time or temperature to accommodate uniqueapplications shall be included in the report (see 7.3).6. Apparatus6.1 Oven, forcedventilation laboratory oven, Type II,Grade A, with 100 to 200 air exchanges/h

    11、 as specified inSpecification E 145.6.1.1 A rotating turntable drive at a rate of 1 to 6 rpm maybe used.6.1.2 A tray to fit the turntable may be used to minimize thetemperature drop in the oven.6.2 Aluminum Foil Dishes, 57 mm in diameter by 18 mmhigh with a smooth (planar) bottom surface.7. Procedur

    12、e7.1 Mix the sample by hand or mechanical stirrer untilhomogeneous.7.2 Tare three aluminum dishes to the nearest 0.1 mg.7.3 A more accurate measurement of weight loss may beobtained if the thickness of the sample in the aluminum dishapproaches the thickness of the material during processing.The weig

    13、ht of the specimens added to the dish, therefore, canvary according to the application. The specimen should beadded in such a manner as to entirely cover the bottom of thedish. The weight added to each dish should be as uniform as1This test method is under the jurisdiction of ASTM Committee D20 on P

    14、lasticsand is the direct responsibility of Subcommittee D20.15 on Thermoplastic Materi-als.Current edition approved July 10, 2003. Published September 2003. Originallyapproved in 1997. Last previous edition approved in 1997 as D 6150 - 97.2Annual Book of ASTM Standards, Vol 08.01.3Annual Book of AST

    15、M Standards, Vol 14.02.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.possible and only vary by 6 0.1 g of the selected weight. If thethickness cannot be accurately determined, add 6.0 6 0.1gtoeach dish.7.4 Reweigh the dishes to the

    16、 nearest 0.1 mg.7.5 Place only three dishes from a single specimen in theoven on a shelf or turntable, or both, perpendicular to theairflow.7.5.1 If a rotating turntable is used, place the dishes on theturntable equally spaced from the center.NOTE 2Due to the short heating time, the specimens should

    17、 be placedinto the oven as quickly as possible to minimize the temperature drop inthe oven.7.6 Heat the aluminum foil dishes containing the specimensin the forced draft oven (6.1) for 10 min at 177C 350F.7.7 Remove the dishes from the oven, place immediately ina desiccator, cool for 15 min to ambien

    18、t temperature, andweigh to 0.1 mg.8. Calculation8.1 Calculate the percent volatile matter, V, in the plastisolor organosol as follows:V 5 W2 W1! W3 W1!/W2 W1!# 3 100 (1)where:W1= weight of aluminum foil dish,W2= weight of dish plus specimen, andW3= weight of dish plus specimen after heating.8.2 Calc

    19、ulate the weight loss relative to unit area of exposedsurface as follows:weight loss, g/mm25 W2 W1! W3 W1!#/pd2/4!5 1.273W3 W1! W2 W1!#/d2(2)where:W1= weight of aluminum foil dish,W2= weight of dish plus specimen,W3= weight of dish plus specimen after heating, andd = external diameter of specimen af

    20、ter heating in mm.9. Report9.1 Report the following information:9.1.1 Sample identification.9.1.2 Average of percent volatile loss of the sample run intriplicate or the average of the volatile weight loss of thesample relative to unit area, or both, g/mm2.9.1.3 Any deviations from the test and the r

    21、easons for thesedeviations.10. Precision and Bias10.1 The precision and bias of this test method currently isbeing determined.11. Keywords11.1 organosol; plastisol; poly(vinyl chloride) (PVC);volatilesASTM International takes no position respecting the validity of any patent rights asserted in conne

    22、ction with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsi

    23、ble technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful co

    24、nsideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100

    25、 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).D 6150 97 (2003)2


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