GBT 13451.2-92 着色颜料相对着色力和白色颜料相对散射力的测定 光度计法.pdf 11页

'中华人民共和国国家标准着色颜料相对着色力和白色颜料相对散射力的测定光度计法DeterminationofrelativetintingGB/T13451.2一92strengthofcoloredpigmentsandrelativescatteringpowerofwhitepigments-Photometricmethods本标准等效采用ISO787/24-1985《颜料和体质颜料通用试验方法—第24部分:着色颜料相对着色力和白色颜料相对散射力的测定—光度计法》。1主肠内容与适用范围本标准规定了用光度计法测定两个同一类型着色颜料相对着色力和两个同一类型白色颜料相对散射力的通用试验方法。当本通用方法不适用于某特定产品时，应规定一个专用方法测定着色颜料的相对着色力和白色颜料的相对散射力。2引用标准GB5211.16白色颜料消色力比较GB5211.19着色颜料相对着色力和冲淡色的测定目视比较法GB9285色漆和清漆用原材料取样3定义3.1着色力:是颜料吸收入射光的能力，因此具有例如使加入这种颜料的白漆着色或颜色变暗的能力。3.2吸收指数KP(x):以颜料着色的漆基的光谱吸收系数除以颜料的浓度C=,K(A)KP(1)=(1)Cm式中:K(x)—光谱吸收系数，在材料中着色颜料的量度，单位是以膜厚单位的倒数表示;Cm—以颜料对漆基的质量之比表示的颜料浓度。3.3相对着色力K.(A):试样的吸收指数Kp,(x)和标样的吸收指数KP,(A)之比，以百分数表示KJA)=X100(2)国家技术监份局1992一04一28批准1993一03一01实施 ca/T13451.2一923.4散射力:是颜料散射入射光的能力，因此具有加入这种颜料后，色漆具有不透明度和亮度的能力。3.5散射指数Sp(A):以颜料着色的漆基的光谱散射系数，除以颜料浓度Cm(3.2)aSP(A)二S(A)·.······.··⋯“··⋯⋯”。·.·⋯⋯(3)Cm式中:S(A)—光谱散射系数，在材料中白色颜料散射力的量度，单位是以膜厚单位的倒数表示。3.6相对散射力S.(.t):试样的散射指数S,(.1)与标样的散射指数S,,(d)之比，以百分数表示:SP,(A)S(孟)=X100·。二”·.···。。.·.···。··⋯.(4)SP‘(A)3.7反射因数R-:指色浆或漆膜在所给定立体角内，诸方面反射的辐射通量与在相同照明条件下，由完全漫反射面反射的辐射通量之比。当色浆或漆膜达到一定厚度后，即使再增加厚度，其比率也不会变化。3.8反射系数P-:指色浆或漆膜达到一定厚度时的反射率，即再增加膜厚反射率也不会变化。4原理4-1着色颜料和黑色颜料相同质量的试验颇料尸，和标准颇料尸:分别分散在质量相同的同一种白色颜料浆中，对每个分散体的反射因数R.或反射系数Pm在给出最小Rm或Pm的波长下进行光度学测定，用对应的K/S值由下述公式得出试验颇料的相对着色力K,K，二X100.·..·.···.·..·.·⋯⋯”.”。·，.(5)式中:Kp,/S—试验颜料R-或P-的K/S值，K甲S-标准颜料R·或Pm的K/S值。4.2白色颜料相同质量的试验颜料P:和标准颜料尸;分别分散于相同质量的同一种黑色颜料浆中，在波长550nm下或用Y搏色片对每个分散体的反射因素R.或反射系数Pm进行光度学测定，用对应的K/S值由下式得出试验颜料的相对散射力S=S，二X100.......................................(6)式中:K/Sp,—试验颇料R一或PW的K/S值;K/Sr,-标准颜料R.或Pm的K/S值.5材料5.1醇酸树脂以63%(m/二)亚麻仁油和33%(m/n1)邻苯二甲酸醉为基础的混合物，应符合下列要求‘酸值不大于15mgKOH/g1247 GB/T13451.2一92粘度(无溶剂)7^10Pa·s轻值约40mgKOH/g5.2白色颜料浆a.4。质量份的R型二氧化钦;b.56质量份的醇酸树脂(5.1);c.4质量份的硬脂酸钙。用调刀将上述组分均匀混合，然后在三辊磨上研磨直至细度板上测试的细度小于15pm”时止，贮于密闭的容器中备用，最好是带螺旋帽的软管中。5.3黑色颜料浆5.3.1用调刀将18.7质量份的灯黑型高色素炭黑同81.3质量份的醉酸树脂(5-1)混合，在三辊磨上轧6道，得到均匀的细分散体。5.3.2将按5.3.1规定制得的浆3.25g和91.64g醉酸树脂(511)及5.11g合成二氧化硅混合，混合物经过一道三辊磨，将此黑浆贮于密闭的容器中，最好是带螺旋帽的软管中。6仪器6.1三辊磨6.2自动研磨机，磨砂玻璃板直径为180-250mm，在研磨机上施加力约1kN，转速为70-120r/min,6.3浆膜盛器，例如一合适的器皿，可为每一分散体提供厚约250jam的浆膜。6.4光度计，能在波长400nm和700nm之间进行测定的分光光度计或D65光源的三刺激值色度计。如使用三刺激值色度计，要求使用对所测着色颜料适宜的滤色片，对于白色颜料则用CIEY滤色片。了取样按GB9285的规定选取试验颜料的代表性样品。8试验步骏8.1相对.色力的测定8.，.，试样分散体的制备称取3g白浆(5.2)(称准至。.01g)和0.12g试验样品(称准至0.0001g).将白浆放在自动研磨机下层板中心处，将试验样品撒在白浆上，并用调刀轻轻调匀，合上研磨板加1kN力进行研磨4遍，每遍25转，收集分散体放置待用。注:对于不易分傲的颇料可适当增加研磨转数.8.1.2标样分散体的制备按照8.1.1的规定制备标准样品分散体。a.，.3试膜的制备试样分散体和标样分散体分别移至浆膜盛器中，并保证基璐的表面均匀和水平。8.，.4R。或p二的测量用分光光度计测量每个膜的R.或p.(即在吸收最大时的波长下，取最小R、或‘值)。如果用三刺采用说明ID国际标准ISO787/24中规定研磨至5p..1248 GB/T13451.2一92激值色度计，则须选用滤色片，使测量波长限制在接近最高吸收波长，记录色度计的读数，除以10。以得到R二或P-8.2相对散射力的测定8.2.1白颜料试样分散体的制备称取2.5g黑浆(5.3.2)(称准至。.01g)和试验样品2g(称准至0.01g)。将黑浆放在自动研磨机下层板中心处，将试样和浆均匀混和，合上研磨板，加1kN力进行研磨4遍，每遍25转，收集分散体放置待用。8.2.2白颜料标样分散体的制备按照8.2.1的规定制备标准样品分散体.8.2.3试膜的制备按8.1.3的规定进行试膜的制备。8.2.4R二或P.的测量在550nm波长下，用分光光度计或带有Y滤色片的三刺激值色度计测量每个膜的R.或P-。如果用三刺激值色度计，记下读数除以100,得到R-或P-值。9结果的裹示从测定的R-或p_值可以在附录中读取相应的x/S值。如果测定的R_或P_包含光泽，在查附录的表以前应减去。.04，用式(5)或式(6)分别算出试样的相对着色力或相对散射力。10试验报告试验报告应包括下列内容:试验样品及标样的类型及名称。b.注明按照本国家标准;注明使用光度计型号和测蚤几何条件(包含光泽或排除光泽测量)。d.研磨转数如不是100转，写明实际转数，研磨加力如不足1kN,写明实际的力;e经同意或其他方式商定的与本试验规定操作的差异;e计算得出相对着色力或相对散射力;9.试验日期。1249 GB/T13451.2一92附录AK/S值作为所测P-或R一的函橄(补充件)注:如果在排除了高光泽样品的光泽时测量p-或R-,则本表是有效的。表Allop-或100尺。K/S一、或10R-K/S一、或100R-K/S{1一或10。一5.7373182.5714290.1191.3014685.5320492.5200570.295.3026435.3396872.4703740.363.3039255.1590472.4223010.447.3052224.9890972.3757600.537.7064824.8289272.3306790.631.3077554.6777152.2869950.726.7375954.5347382.2446450.823.3102874.3993422.2035690.920.6448824.2709452.1637121.018.5128174.1490222.1250181.116.7686314.0331002.0874431.215.3153443.9227502.0509381.314.0858283.8175812.0154591.413.0321353.7172441.9809651.512.1190893.6214111.9474121.611.3203283.5297941.9147721.710.6156923.4421201.8830011.8，9894713.3581411.8520691.99.4292953.2776341.8219422.08.9252603.2003881.7925942.18.4693363.1262111.7639912.28.0549683.0549291.7361102.37.6767402.9863751.7089212.47.3301252.9203981.6824002.57.0113352.856858].6565262.66.7171522.7956231.6312732.76.4448512.7365711.6066232.86.1920792.6795911.5825512.95.956818一2.624577一1.558041一2石日 cs/T13451.2一92续表Alloop-或100RmK/Slop-或looR.K/Slop-或10OR、}K/Slop-或10oR、K/S12.01.03158016.00.66666720.00.45841324.00.32727312.11.01927816.10.66004620.10.45439224.10.32464112.21.00719216.20.65351520.20.45041624.20.32203612.30.99531416.30-64707220.30.44648524.30.31945512.40.98364116.40.64071520.40.44259824.40.31690112.50.97216616.50.63444420.50.43875524.50.31437012.60.96088516.60.62825620.60.43495524.60.31186512.70.94979516.70.62215020.70.43119724.70.30938412.80.93889016.80.61612520.80.42748024.80.30692612.90.92816516.90.61017820.90.42380424.90.304493::.{0.91761617.()0.60430921.00.4201680.3020820.90724017.10.59851621.10.416573::.{0.299695，0.89703317.20.592798妇0.4130160.297331月::-0.88699017.30.587154::‘﹂0.4094980.29498913.40.87710917.40.58158121.40.40601825.40.29266913.50.86738417.50.57608021.50.4025750.29037113.60.85781317.60.57064821.60.3991700.28809513.70.84839317.70.56528521.70.39580025.70.28584113180.83912017.80.55998821.80.3924670.28360713.90.82999017.90.55475921.90.3891690.28139414.00.82100218.00.54959422.00.38590626.00.27920214.10.81215118.10.54449322.10.38267726.10.27703114.20.80343518.20.53945522.20.37948226.20.27487914.30.79485018.30.53447822.30.37632126.3D.27274814.40.78639518.40.52956322.40.37319226.40.27063614.50.77806618.50.52470722.50.37009726.50.26854314.60.76986118.60.51991022.60.36703326.60.26647014.70.76177718.70.51517022.70.36400026.70.26441514.80.75381218.80.51048822.80.36099926.80.26238014.90.74596318.90.50586122.90.35802926.90.26036315100.73822819.00.50128923.00.35508927.00.25836415.10.73060519.10.49677223.10.35217927.10.25638315.20.72309119.20.49230823.20.34929927.20.25442015.30.71568419.30.48789623.30.34644827.30.25247515.40.70838219.40.48353623.40.34362527.40.2505480.70118419.50.47922623.50.3408310.248637::.0.69408619.60.47496723.60.338065::.:0.24674415.70.68708819.70.47075623.70.3353260.24486815.80.68018619.80.46659523.80.3326150.24300815.90.67338019.90.46248023.90.32993127.90.24116512苏】 Gs/T13451.2一92续表A1loop-或100R-KIS}100、或10。一KIS一或10。一KIS}loo或10。二K/S28.00.23933832.00.1777780.13333440.00.1005128.10.23752732.10.176487().13238940.10.09980128.20.23573232.20.1752060.1314514020.0991028.30.23395332.30.1739360.13052140.30.0984128.40.23218932.4o.1726760.12959740.40.09772"28.50.2304413250.1714260.12868140.50.0970428.60.22870832.6口.1701860.12777140.60.0963628.70.22699032.70.1689550.12686840.70.09568128.80.22528832.80.1677350.12597240.80.09501128.90.22359932.90.1665240.12508240.90.09435}29.0().22192633.00.1653230.12420041.00.09369(29.10.22026733.I0.1641320.12332341.10.09303:29.20.21862233.20.1629500.12245341.20.09238:29.30.21699133.30.1617770.12159041.30.09173.29.40.21537433.40.1606140.12073341.40.09109:29.50.21377133.50.1594590.11988241.50.09045:29.60.21218233.60.1583140.11903741.60.0898229.70.21060633.70.1571780.11819941.70.08919:29.80.20904333.80.1560500.11736741.80.08856129.90.20749433.90.1549310.11654141.90.08794130.00.20595834.00.1538220.11572142.00.08733:30.10.20443434.10.1527200.11490742.10.08672,30.20.20292434.20.1516280.11409942.20.08611:30.30.20142634.30.1505430.11329642.30.0855030.40.19994134.40.1494680.11250042.40.0849130.50.19846834.50.1484000.11170942.50.0843130.60.19700734.60.1473410.11092542.60.0837230.70.19555934.70.1462900.11014642.70.0831330.80.19412234.80.1452460.10937242.80.08255}30.90.19269834.90.1442110.10860442.90.0819731.00.19128535.00.1431840.10784243.00.0814031.10.18988435.10.1421650.10708543.10.0808331.20.18849435.20.1411540.10633343.20.0802631.30.18711635.30.1401500.10558743.30.0797031.40.18574935.40.1391540.10484743.40.0791431.50.18439335.50.1381650.10411143.50.0785831.60.18304835.60.1371840.10338143.60.0780331.70.18171535.70.1362100.10265743.70.0774931.80.18039235.80.1352440.10193743.80.0769431.90.17907935.90.134285一0.10122243.90.0764012.,2 GB/"r13451.2一92续表A1loop-或100R-K/S}loop-}to。一K/Sloops或100R-K/S!loop-Ac10。一K/S44.00.07587056.00.03174144.10.07533756.10.03150;44.20.07480856.20.03126!44.30.07428356.30.03102i44.40.07376156.40.0307944.50.07324256."50.03055144.60.07272856.60.03032.44.70.072217一56.70.0300944.80.07170956.80.02986144.90.07120456.90.02963:45.00.07070357.00.02940,45.10.07020657.10.02917t45.20.069712一57.20.02895,45.30.06922153.357.30.02873145.40.06873353.457.40.02850145.50.06824953.557.50.02828!45.60.0677680.02807145.70.0672900.02785:45.80.0668160.02763945.90.066344一0.02742:46.00.065876I154.00.02720!46.10.065411一54.10.02699!46.20.06494954.2一0.02678!一46.30.06449054.3，58.30.02657t46.40.0640350:02637146.50.0635820.026J6,46.60.0631320.02595!46.70.0626860.02575146.80.062242一0.02555;46.90.061801一一5890.02535147.00.061363一55.059.00.02515:47.10.06092955.159.10.02495,47.20.0604970.02475147.30.0600680.02456147.40.0596410.02436147.50.059218一一0.02417,47.60.058797一55.6一59.60.02398747.70.05838055.759.70.02379147.80.05796555.859.80.02360;47.90.057552一一55.9一59.90.0234111253 Gs/T13451.2一92续表A1loop-或100R-K/S{loop-}工。。一K/S{loop-}to。一K/SF1001-或10。一K/S60.00.02322664.00.016667o.01164672.00.00784;60.10.02304064.10.0165240.01153772.10.0077660.20.02285564.20.0163820.01142972.20.0076816030.02267264.30.0162410.01132272.30.00760160.40.02249064.40.0161010.01121572.40.00752160.50.02230964.50.0159620.01111072.50.0074460.60.02212964.60.0158240.01100572.60.00736:60.70.02195064.70.0156870.01090072.70.00728,60.80.02177264.80.0155510.01079772.80.00720160.90.02159664.90.0154160.01069472.90.00712!61.00.02142165.00.0152810.01059273.00.00705:61.10.02124765.10.0151480.01049073.10.0069761.20.02107465.20.0150150.01039073.20.00690161.30.02090265.30.0148830.01029073.30.00682S61.40-02073165.40.0147530.01019073.40.00675:61.50.02056265.50.0146230.01009273.50.00667!61.60.02039365.60.0144940.00999473.60.00660161.70.02022665.70.0143650.00989773.70.00653,61.80.02006065.80.0142380.00980073.80.00646!61.90.01989465.90.0141120.00970473.90.00639162.00.01973066.00.0139860.00960974.00.00631!62.10.01956766.10.0138610.00951574.10.00624!62.20.01940566.20.0137370.00942174.20.00617!62.30.01924566.30.0136140.00932874.30.00611162.40.01908566.40.0134920.00923574.40.0060462.50.01892666.50.0133710.00914374.50.00597:62.60.01876866.60.0132500.00905274.60.00590162.70.01861266.70.0131300.00896274.70.00583162.80.01845666.80.0130110.00887274.80.00577:62.90.01830166.90.0128930.00878374.90.00570163.00.01814867.00.012776压00869475.00.00564163.10.01799567.10.0126590.00860675.10.00557!63.20.01784467.20.0125440.00851975.20.0055163.30.01769367.30.0124290.00843275.30.00544"63.40.01754367.40.0123140.00834675.40.00538:63.50.01739567.50.0122010.00826175.50.00532163.60.01724767.60.0120890.00817675.60.00525163.70.01710167.70.0119770.00809275.70.00519163.80.01695567.80.0118660.00800875.80.00513-63.90.01681067.90.011755一0.00792575.90.005071254 GB/T13451.2一92续表A1loop-或10OR-K/Sloop-或100R.=K/S100p-或IOORJKISloop、或10R.K/S76.00.00501380.00.0029638.1.00.00154488.00.00063876.10.00495280.10.00292084.10.00151688.10.00062176.20.0048938020.00287884.20.00148888.20.00060476.30.00483480.30.00283684.30.00146088.30.00058876.40.00477580.40.00279584.40.00143288.40.00057276.50.00471780.50.00275484.50.00140588.50.00055676.60.00465980.60.00271384.6U.00137888.60.00054076.70.U0460280.70.00267384.70.00135288.70.00052576.80.00454580.80.00263384.80.00132588.80.00050976.90.00448980.90.00259384.90.00130088.90.00049477.0〔)00443381.00.002554吕500.00127489.00.00048077.1(l.00437881.10.00251585.10.00124889.10.00046577.20.00432381.20.00247785.20.00122389.20.00045177.30.00426981.30.00243985.30.00119989.30.00043777.40.00421581.40.00240185.40.00117489.40.00042477.50.00416181816.50.00236485.50.00115089.50.000410即77.60.0041088170.0023270.0011260.000397朋77.70.0040560.0022900.0011030.00038477.80.0040030.0022540.0010790.00037177.90.003952::，:0.002218::.:0.001056::.:0.00035978.00.00390082.00.0021830.00103490.034678.10.00384982.10.002148::.:0.00101190.1:.:::3348678.20.00379982.20.0021130.00098990.20.0003228678.30.00374982.30.0020780.00096790.30.0003118678.40.00369982.40.0020440.00994690.40.0003008678.50.00365082.50.0020110.00092490.50.000288路8678.60.0036020.0019770.00090390.60.000278828678.70.0035530.0019440.00088390.70.000267胳78.80.0035050.0019110.00086290.80.0002578278.90.0034580.001879::.:0.0008429(〕.90.00024679.00.00341183.00.00184700。(〕8220.00023679.10.00336483.10.001815::.:0.000802:{.}0.0002278779.20.00331883.20.0017840.00078391.20.0002178779.30.00327283.30.0017530.00076491.30.0002088779.40.00322783.40.0017220.0007459I.10.00019979.50.00318283.50.00169287.5()00072791.50.0001909l79.60.00313783.60.00166187.60.0007080.000181引79.70.00309383.70.00163287.70.0006909180.00017379.80.00304983.80.GOl60287.80.0006739l0.00016479.90.00300683.90.00157387.90.0006550.0001561255 GB/T13451.2一92续表A1loop-或100R-K/S{loop-v"c10。一K/S!loop-}100R-K/:一11loop-}100R-K/S92.00.00014993.00.0000820.0000360.00000!92.10.00014193.10.0000770.0000320.00000S92,20.00013493.20.0000710.0000290.00000192.30.00012793.30.0000660.0000260.00000,92,40.00012093.40.0000610.0000230.00000;92.50.00011393.50.0000570.0000200.00000192.60.00010693.60.0000520.0000170.00000:92.70.00010093.70.0000480.0000150.0000092.80.00009493.80.0000440.0000130.00000192.90.00008893.90.000040一0.000011一}附加说明:本标准由中华人民共和国化学工业部提出。本标准由全国涂料和颜料标准化技术委员会归口。本标准由上海市染料研究所负责起草。本标准主要起草人谈桂芬、应忠明。艺污6'