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    ASTM D4677-1987(2002) Standard Classification for Rubber Compounding Materials&8212 Titanium Dioxide《橡胶配料的分类 二氧化钛》.pdf

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    ASTM D4677-1987(2002) Standard Classification for Rubber Compounding Materials&8212 Titanium Dioxide《橡胶配料的分类 二氧化钛》.pdf

    1、Designation: D 4677 87 (Reapproved 2002)Standard Classification forRubber Compounding MaterialsTitanium Dioxide1This standard is issued under the fixed designation D 4677; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of

    2、 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 classification covers the compounding materialknown as titanium dioxide. It is generally used in rubbercompound

    3、s to impart whiteness to selected products. Typicalchemical and physical properties are included.1.2 This standard does not purport to address all of thesafety problems, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health

    4、practices and determine the applica-bility of regulatory limitations prior to use. Table 12. Referenced Documents2.1 ASTM Standards:D 185 Test Methods for Coarse Particles in Pigments,Pastes, and Paints2D 280 Test Methods for Hygroscopic Moisture (and OtherMatter Volatile Under the Test Conditions)

    5、in Pigments2D 1208 Test Methods for Common Properties of CertainPigments2D 1394 Test Methods for Chemical Analysis of WhiteTitanium Pigments2D 3720 Test Method for Ratio of Anatase to Rutile inTitanium Dioxide Pigments by X-Ray Diffraction23. Significance and Use3.1 Titanium dioxide is used in rubbe

    6、r compounding as acolorant to impart whiteness to any desired end product. It isused in sidewalls of automobile tires.3.2 It is chemically inert and slightly basic with a pH of 7.0to 8.0. The free-chalking, weathering properties of anatasetitanium-dioxide provide a (self-cleaning) white appearance i

    7、noutdoor applications.4. Basis of Classification4.1 Titanium-Dioxide By Types:4.1.1 Type IAnatase, free-chalking.4.1.2 Type IIRutile, low/medium chalk resistance.4.1.3 Type IIIRutile, high-chalk resistance.5. Composition and Properties5.1 The titanium-dioxide commonly used in rubber is theanatase Ty

    8、pe 1 material. It is generally 97 to 99 % TiO2incomposition. Some antase grades have an inorganic surfacetreatment (that is, oxides of aluminum or silicon), some havean organic treatment; most have very little treatment.5.2 The rutile titanium-dioxide consists of many grades fora multitude of end us

    9、e applications. They are more weatherresistant, have a more compact crystal structure, and varywidely in physical properties and surface treatment.6. Keywords6.1 anatase; rutile; titanium dioxide1This classification is under the jurisdiction of ASTM Committee D11 onRubber and is the direct responsib

    10、ility of Subcommittee D11.20 on CompoundingMaterials and Procedures.Current edition approved Dec. 10, 2002. Published February 2003. Originallyapproved in 1987. Last previous edition approved in 1998 as D 4677 87 (1998).2Annual Book of ASTM Standards, Vol 06.03.TABLE 1 Properties of Titanium Dioxide

    11、 (By Type)TestMethodType I(Anatase)Type II(Rutile)Type III(Rutile)TiO2, min, % D 1394 95 92 85pH D 1208 78.0 78.0 78.0Coarse particles, max, % D 185 0.2 0.2 0.2Moisture, max,% D 280 0.7 0.7 1.5RutileAD 3720 1 % max 99 % min 99 % minTint StrengthB. . . .BrightnessB. . . .APercent rutile as a percent

    12、of total TiO2content.BTest methods to be developed and agreed upon by supplier and user. A basicwhite sidewall formula could be chosen to generate inherent color properties.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.ASTM Interna

    13、tional takes no position respecting the validity of any patent rights asserted in connection 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 th

    14、eir 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 additional standardsand should

    15、 be addressed to ASTM International Headquarters. Your comments will receive careful consideration 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 Standa

    16、rds, at the address shown below.This standard is copyrighted by ASTM International, 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 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 4677 87 (2002)2


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