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    ASTM D1579-2001 Standard Test Method for Filler Content of Phenol Resorcinol and Melamine Adhesives《苯酚、间苯二酚和三聚氰胺胶粘剂中填料含量的标准测试方法》.pdf

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    ASTM D1579-2001 Standard Test Method for Filler Content of Phenol Resorcinol and Melamine Adhesives《苯酚、间苯二酚和三聚氰胺胶粘剂中填料含量的标准测试方法》.pdf

    1、Designation: D 1579 01Standard Test Method forFiller Content of Phenol, Resorcinol, and MelamineAdhesives1This standard is issued under the fixed designation D 1579; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last

    2、revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense. , as part of Federal Test Method Standard No. 175a.1

    3、. Scope *1.1 This test method is suitable for measuring the fillercontent of phenol, resorcinol, and melamine resin-base adhe-sives mixed with hardener or catalyst, that set at room,intermediate, and high temperatures. Results are expressed onthe basis of the nonvolatile content of the mixed, liquid

    4、adhesive.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 theresponsibility of the user of this standard to esta

    5、blish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:D 907 Terminology of Adhesives2D 1582 Test Method for Nonvolatile Content of LiquidPhenol, Resorcinol, and Melamine Adhesives23. Terminolog

    6、y3.1 DefinitionsMany terms used in this test method aredefined in Terminology D 907.4. Significance and Use4.1 It is possible to modify the properties of phenol,resorcinol, and melamine-based adhesives by adding fillers tothe adhesive and in doing so affect the way the adhesiveperforms. This test me

    7、thod makes possible accurate determi-nation of these filler levels for purposes of quality control andcharacterization of the adhesive.5. Apparatus5.1 Erlenmeyer Flask, or beaker, of 100-mL capacity.5.2 Analytical Balance, accurate to 0.001 g.5.3 Circulating-Air Oven, capable of maintaining a tem-pe

    8、rature of 105 6 1C (221 6 1.8F).5.4 Desiccator, with drying agent and tray.5.5 Sintered Glass Crucible, of coarse or medium porosity.6. Sampling6.1 Except in special cases, take a sample from eachcomponent of the adhesive. When possible, use a compositesample of each component chosen from three or m

    9、ore separatecontainers, chosen at random. Also take samples from contain-ers which appear to be nonrepresentative and test such samplesseparately. Place the samples immediately in clean, dry, airtightcontainers, filled to prevent excessive air space above theadhesive and transported to the testing l

    10、aboratory. Take pre-cautions to reduce evaporation or drying of the adhesive to aminimum. Mix the adhesive in the can thoroughly if there is atendency for the materials to separate before a sample is taken.6.2 Test three specimens of each sample, unless otherwiserequired.7. Procedure7.1 Mix the adhe

    11、sive in accordance with the instructions ofthe manufacturer.7.2 Phenol and Resorcinol BaseAccurately weigh to thenearest 1 mg approximately2gofthefreshly mixed adhesive(cut film adhesives into small pieces approximately 13-mm(0.5-in) square before weighing) in a 100-mL beaker orErlenmeyer flask, add

    12、 50-mL of absolute methyl alcohol, andstir the mixture thoroughly for 3 min. Filter the mixturepromptly through a previously weighed, sintered glass crucibleof coarse or medium porosity and wash the contents of thebeaker onto the filter with another 50-mL portion of methylalcohol. Wash the residue i

    13、n the crucible with at least 50-mL ofboiling distilled water, dry to approximately constant weight at105 6 1C (221 6 1.8F), cool in a desiccator, and weighaccurately.7.3 Melamine BaseAccurately weigh to the nearest 1 mgapproximately2goffreshly mixed adhesive in a 100-mLbeaker or Erlenmeyer flask, ad

    14、d 50 mL of a cold solution madeof 20 parts (by volume) of glacial acetic acid, 20 parts of 95 %ethyl alcohol, and 60 parts of distilled water. Thoroughly stirthis mixture for 1 min and add 0.5 g of accurately weighed (tothe nearest 1 mg) acid-washed diatomaceous earth which has1This test method is u

    15、nder the jurisdiction of ASTM Committee D14 onAdhesives and is the direct responsibility of Subcommittee D 14.30 on WoodAdhesives.Current edition approved Oct. 10, 2001. Published December 2001. Originallypublished as D 1579 58. Last previous edition D 1579 97.2Annual Book of ASTM Standards, Vol 15.

    16、06.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, United States.been previously oven-dried overnight at 105 6 1C (22161.8F) and cooled in a desiccator. Continue to stir for 2 min andfilter the suspension imm

    17、ediately through a previously weighedsintered glass crucible of medium porosity. Wash carefully allthe solid material remaining in the beaker onto the filter withthe above mentioned solvent. Wash the residue on the filterwith a total of at least 30 mL of this solvent, remove the acidwith cold distil

    18、led water, and finally with 20 mL of 95 % ethylalcohol. After the preliminary drying by suction, dry theresidue at 105 6 1C (221 6 1.8F) for 16 h, cool in adesiccator, and weigh accurately to the nearest 1 mg.8. Calculation8.1 Phenol and Resorcinol Base AdhesivesConsider theinsoluble residue determi

    19、ned in 7.2 as the filler content of theadhesive. Calculate the residue as a percentage of the nonvola-tile content (see 8.2.1) of the adhesive as follows:Filler, % 5 r/an! 3 100 (1)where:r = weight of insoluble residue,a = weight of adhesive sample, andn = % nonvolatile content/100.8.2 Melamine Base

    20、 AdhesivesConsider the insoluble resi-due determined in 7.3 as the filler content of the adhesive.Calculate the residue as the percentage of the nonvolatilecontent (see 8.2.1) of the adhesive as follows:Filler, % 5 r 2 d!/an# 3 100 (2)where:d = weight of diatomaceous earth, and other symbols arethe

    21、same as defined in 8.1.8.2.1 Determine the nonvolatile content of the adhesive inaccordance with Test Method D 1582.9. Report9.1 Report the following:9.1.1 Complete identification of the adhesive tested, includ-ing type, catalyst, hardener, mixing proportions of components,source, lot number, condit

    22、ion, etc.9.1.2 Number of specimens tested, and9.1.3 Percent of filler in individual specimens, and theaverage for the sample.10. Precision and Bias10.1 The precision and bias statement for this test methodhas not been determined yet. Results are being expected byApril 2003.11. Keywords11.1 filler; m

    23、elamine; non-volatile content; phenol; resorci-nolSUMMARY OF CHANGESSubcommittee D14.30 has identified the location of selected changes to this standard since the last issue,D 1579 - 97, that may impact the use of this standard.(1) No significant changes were made during this review.The American Soc

    24、iety for Testing and Materials takes no position respecting the validity of any patent rights asserted in connectionwith any item mentioned in this standard. Users of this standard are expressly advised that determination of the validity of any suchpatent rights, and the risk of infringement of such

    25、 rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible 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 additi

    26、onal standardsand should be addressed to ASTM Headquarters. Your comments will receive careful consideration at a meeting of the responsibletechnical committee, which you may attend. If you feel that your comments have not received a fair hearing you should make yourviews known to the ASTM Committee

    27、 on Standards, at the address shown below.This standard is copyrighted by ASTM, 100 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 above address or at610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website (www.astm.org).D 15792


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