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實(shí)驗(yàn)一聚合物粘度的測量實(shí)驗(yàn)數(shù)據(jù)實(shí)驗(yàn)數(shù)據(jù)如表1所示。其中,Q為流量,AP]為入口區(qū)傳感器測得的壓力,^2為以卑對毛細(xì)管長徑比作圖(即AP]為縱坐標(biāo)),所得直線與縱坐標(biāo)的截距。所用毛細(xì)管直徑為2mm,長度為60mm。表1毛細(xì)管流變儀測量聚合物粘度所測數(shù)據(jù)j次數(shù)參量1234Q(103mm3)2.321.590.920.62m0.30.40.60.8AP(103Pa)i18001200800600AP(103Pa)250020010050查資料得到公式如下管壁處的表觀剪切速率D=^Q,管壁處的真實(shí)剪切速率K(S)=D(3+1-dlnD),管兀R3R44dlnSR壁處的實(shí)際剪切應(yīng)力為Sr=AP壁處的實(shí)際剪切應(yīng)力為Sr=APR2(L+AL)R(AP-AP)ent—2L(1)求出四組實(shí)驗(yàn)管壁處的實(shí)際剪切應(yīng)力S,S,S,SR1R2R3R4求出四組實(shí)驗(yàn)管壁處的表觀剪切速率若表中m為lnS對lnD作圖所得曲線在實(shí)驗(yàn)所得點(diǎn)處的切線斜率,求管壁處R的真實(shí)剪切速率K,K,K,K1234(4)若已知該聚合物熔體基本符合幕律流體的特征(S=aKn),試總結(jié)出管壁處R真實(shí)剪切應(yīng)力與真實(shí)剪切速率之間的關(guān)系式實(shí)驗(yàn)二聚合物熔體擠出脹大比的測量實(shí)驗(yàn)數(shù)據(jù)表2聚合物復(fù)合材料在不同溫度不同剪切速率下的擠出脹大比^剪切速率-溫度1402002201001.04561.01290.99221571.0561.04011.02492471.06921.04581.03383881.07681.06811.05336091.0891.07531.0643

要求:做出不同溫度下,該復(fù)合材料擠出脹大比與剪切速率的關(guān)系實(shí)驗(yàn)三流變學(xué)在化纖紡絲中的應(yīng)用1=|==1=|==實(shí)驗(yàn)四用旋轉(zhuǎn)流變儀測量聚合物的流變性能1、推導(dǎo)拉伸速率的求解公式2、熔體流動速度與拉伸方向(z方向)長度的關(guān)系如表3-1所示。表3-1熔體流動速度與拉伸方向(z方向)長度的關(guān)系Z/mv/ms-iz(PP200°C)v/ms-1z(PP220C)v/ms-1z(PP240C)00.021090.021090.021090.030.025680.027550.029630.060.034560.03750.031950.090.048980.044630.044630.120.066670.0540.0540.150.084380.066670.059830.180.11020.084380.0960.210.127810.127810.150.240.150.150.2160.270.178510.178510.266670.30.2160.178510.26667求拉伸速率隨Z的變化,并作圖實(shí)驗(yàn)數(shù)據(jù)如下表所示,1。線性粘彈性和非線性粘彈性區(qū)的臨界值2。比較兩種pp的分子量大小。PP-2650-曉星ang.frequencytemperaturetimeosc.stressstraindeltaG'G''rad/s°CsPadegreesPaPa101806.1259.9993.55E-0364.26123325571018012.93712.594.16E-0365.4112672769101802015.855.09E-0365.81128328561018026.79719.956.36E-0366.04128228861018034.04725.127.97E-0366.25127629001018040.73431.620.01000666.3712742912

1018047.59439.810.01256166.49127229231018054.31250.110.01580866.54126929251018061.14163.090.01992166.61126529241018067.98479.430.02511666.67126029211018075.12599.990.03171966.73125329131018081.781125.90.0400566.78124729051018088.656158.50.05046966.83124329041018095.406199.50.06372766.881237289610180102.33251.20.08050866.921230288710180109.03316.20.1017666.991222287710180115.86398.10.128767.051213286510180122.73501.10.1628667.121203285210180129.92630.90.2065667.211190283310180136.64794.30.2626367.331173280710180143.44999.90.3351867.471150277210180150.3912590.429867.651121272510180157.2315850.5523867.86108826741018016419950.7162768.211041260210180170.9825120.9397368.73975.8250610180177.8431621.249869.51891238510180184.9739811.694370.74779.8223210180191.7350112.367172.63636.2203310180198.6663093.30574.94498.9185510180205.3879424.729877.58363.2164910180212.3499986.852180.46243144610180219.361259011.49483.78119.2109310180226.311584034.38591.75-13.94456.810180233.111994079.74295.9-24.78239.710180.1240.131999057.51693.77-22.44340.7ang.frequencytemperaturetimeosc.stressstraindeltaG'G''rad/s°CsPadegreesPaPa0.06283180200.455002.994286.4610.31166.70.0791180360.425002.419385.7515.31206.10.09958180487.695001.960984.9622.392540.1254180589.275001.591184.1132.27312.60.1578180670.035001.292283.1845.94384.20.1987180734.315001.050882.264.55471.40.2501180785.615000.8551681.1789.74577.80.3149180826.675000.6972680.1123.4706.4

0.3964180859.525000.5694978.97167.9861.80.4991180885.925000.466277.81226.510480.6283180907.055000.3826976.6302.912710.7911809245000.3149675.34401.715360.9958180937.785000.2599774.04528.918491.254180948.985000.2153172.7690.622171.578180958.055000.1789771.31895.426471.987180965.365000.1492169.89115231482.501180971.525000.1249168.44147237243.149180978.635000.1049866.96186543853.964180984.535000.088665.45234751374.991180990.695000.07512663.92292959846.283180996.815000.06386162.35363869467.911801003.45000.05458660.79447980119.9581801010.35000.0468559.195482919212.541801016.95000.04044557.6266471048015.7818010245000.03499456.0280281191019.871801030.85000.0305354.4795891343025.011801037.65000.02669952.85114301508031.491801044.65000.02346451.26135301687039.641801051.65000.02079349.71158801873049.911801058.65000.01848348.06186302073062.831801065.65000.01659946.62215902284079.11801072.75000.01506745.08249002498099.581801079.6499.90.01382743.532863027190125.41801086.6499.90.01290442.193260029550157.81801093.6499.90.012340.683710031880198.71801100.5499.80.01209339.284190034270250.11801107.5499.50.01232237.944708036700314.91801114.5499.10.01271836.645266039160396.41801121.6498.30.01148935.355864041590499.11801128.6496.87.50E-0334.016512043930628.31801135.7493.84.16E-0331.957268045320PP-Z30-海南ang.frequencytemperaturetimeosc.stressstraindeltaG'G''rad/s°CsPadegreesPaPa484848485555555555555555555555555555555555180180面1801801801801801801801801801801801801801801801801801801801801801801801801801805.46911.57817.71923.78129.85935.8914247.98454.03160.04766.17272.21978.2584.29790.37596.406102.64108.73114.83121.06127.16133.23139.34145.36151.47157.61163.78169.88176.14182.23188.33194.36200.48206.71012.5915.8519.9525.1231.6239.8150.1263.0979.43100125.9158.5199.5251.2316.2398.1501.2630.9794.31000125915851995251231623981501263097943100001259015850199501.89E-032.38E-033.00E-033.79E-034.77E-036.02E-037.59E-039.56E-030.0120280.0151140.0190110.0239480.030190.0380340.0479190.0603480.0759880.0956870.120490.151840.191450.241620.305210.386470.490280.624530.800441.03551.36041.84662.66254^29.124323.52366.2866.2566.2366.2966.366.366.2966.3366.3666.3366.3166.3366.3466.3566.3666.3666.3966.4266.4366.4666.566.5666.6666.8267.0567.3967.9268.7169.8671.5674.0577.5982.9387.562130213121292120211721142111210621062112211621132109210621052103210120982096209220852075206020342000194818711759159813621033626.7214.136.0948424834482748234815480748054811481948224820481448114807480648064805480548014796478647734751472346794614451443594085361528491725847.7ang.frequencytemperaturetimeosc.stressstraindeltaG'G''rad/s°CsPadegreesPaPa0.06283180200.515005.422287.913.3692.150.0791180360.555004.399387.435.088113.50.09958180487.895003.552386.867.704140.50.1254180589.235002.862786.211.58174.30.1578180670.055002.30685.4417.24216.10.1987180734.55001.857284.625.322680.2501180785.975001.497983.736.64331.80.3149180827.035001.210482.7352.25409.80.3964180859.925000.9799881.7273.48504.90.4991180886.235000.7955680.66102620.20.6283180907.415000.6471379.55140.1759.90.791180924.525000.5278678.4190.5927.90.9958180938.285000.4317577.2256.611291.254180949.585000.3543575.96342.313691.578180958.695000.2917574.67453.316531.987180966.065000.2409973.33595.419882.501180972.345000.199871.95775.623803.149180979.55000.1662770.53100328373.964180985.425000.138969.08128733654.991180991.595000.1165167.59163839726.283180997.695000.09816466.06207046637.911801004.35000.08305264.52259654479.9581801011.25000.07056962.953233633112.541801017.85

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