DOI: /lhjy-wl ,2, 1,2 1,2, (1., ; 2., ) :, :, 0.001~0.005g ml -1 ; 2h 1200r h -1, ;,, : ; ; ; :TG115.2 :A : (2017

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1 DOI: /lhjy-wl ( ; ) : : 0.001~0.005g ml -1 ; 2h 1200r h -1 ; : ; ; ; :TG115.2 :A : (2017) InfluenceFactorsofMeasuringResultsofViscosityof PolypropyleneSolution HUTing-fang 12 YANGFan 12 CHENJi-guo 12 (1.ResearchInstituteofPetrochinaDushanziPetrochemicalCompanyKaramay833699China; 2.XinjiangLaboratoryofRubber-PlasticMaterialsKaramay833699China) Abstract: Thereducedviscosityofpolypropylenesolutionwasmeasuredbyautomaticcapilaryviscometer. Theinfluenceofmassconcentrationmixingtimerotatingspeedandexposedtimeintheaironthe measuring resultsof reduced viscosity of polypropylene solution was investigated.the results show that:the mass concentrationof polypropylene solution afectedits reduced viscosity greatlyand the solution whose mass concentrationwasbetween g ml -1 wassuitableto measurethereducedviscosity;whenthe mixing timewas2handtherotatingspeedwas1200r h -1 thepolypropylenesolutiondissolvedintohomogeneoussystem completely;thereduceviscosityhadsmalchangeafterthepolypropylenesolutionexposedintheairforashort timeandthephaseseparationhappenedtothesolutionafterthepolypropylenesolutionexposedintheairforalong timeandthenthereducedviscositydecreased. Keywords: automaticcapilaryviscometer ;polypropylene;reducedviscosity;influencefactor [1] [2] 1% [3] : : : (1979-) hutingfang@petrochina.com.cn 10 Innovene 2.3~ 3.7g 10 min -1 ( kg); 99.5% C 10H 18

2 胡廷芳等聚丙烯溶液比浓黏度测定的影响因素黏度计由排空管测量管进样管加样球泡分离球２试验仪器试验仪器为一组德国优莱博全自动毛细管黏度计图１３毛细管内径为０６３±００１ｍｍ毛细管泡毛细管测量球泡缓冲球泡加样刻线和测量标记线等组成此次试验使用双位黏度计进行测量图１黏度计示意图图２ＪＵＬＡＢＯＶＩＳＣＯ３７０型黏度测定系统１Ｓｈｅｍｄｍｏｆｈｅｖｏｍｅｅｇ２ＪＵＬＡＢＯＶＩＳＣＯ３７０ｅｖｏｕｅｍｅｎｅｍｙｐｙｍｅｙ图３黏度测定系统连接图３Ｔｈｅｌｎｋｄｍｏｆｖｏｕｅｍｅｎｅｍｇｙｍｅｙ３试验步骤１称量在１００ｍＬ容量瓶中加入定量的聚丙烯粒料再加入一定体积的十氢萘溶液配制成不同动时间平行测试３次取相近的３个测试值的平均值４模块计算溶液流动时间测试完成后软质量浓度的聚合物溶液件自动计算得到运动黏度相对黏度增比黏度比２搅拌溶解将配置好的装有聚丙烯溶液的磨口瓶放到磁力搅拌器上恒温至１５０±１在浓黏度和特性黏度等数值４不同转速和时间下搅拌溶解考察搅拌转速和时间动清洗毛细管黏度计３次对聚合物溶液比浓黏度的影响４比浓黏度测定原理５清洗测试完成后用定量的十氢萘溶液自３恒温试样将黏度计浸入恒温油浴中并用夹子将黏度计固定在支架上将黏度计毛细管间产生内摩擦的性质称为液体的黏性黏性的大小调整到垂直位置恒温浴温度为１３５±００１用黏度表示在恒定的温度下测定一定体积的液保持恒温１５ｍｎ启动电脑上ＶＩＳＣＯ３７０测试模块先用溶剂清洗毛细管黏度计将１５ｍｌ十氢萘体在重力作用下流过一个经标定的玻璃毛细管黏度溶剂加入毛细管黏度计中启动测试模块十氢萘黏度４在毛细管中流动时间的３次测试值分别为０１０２０３３个数值相差大于１时需重新测试取相近的３３次流动时间求平均值得００１０２０３再将完全溶解的一定体积的聚丙烯溶液不经过滤加入到毛细管黏度计中启动程序软件开始自动测试溶液流动时间测试方法和０相同溶液流聚丙烯溶液和十氢萘溶剂在流动时在其分子计的时间可通过以下公式计算聚丙烯溶液的各种１相对黏度η 相对黏度为溶液黏度与纯溶剂黏度的比值０１ η η η０式中 η 为相对黏度 η 为溶液黏度 η０为纯溶剂黏为溶液在毛细管黏度计中的流经时间度０为纯溶剂通过同一黏度计的流经时间１１

3 : (2) η s η s= (t-t 0 )/t 0 =η r-1 (2) (3) I I=(t-t 0 )/(t 0C) (3) :C g ml -1 (4) η in η in =ln (t/t 0 )/C (4) (5) η Mark-Houwink [5] 1 η=km a (5) 0.005g ml -1 :K Mark-Houwink ;M ;a Mark-Houwink [6-7] g ml g ml ~0.005g ml g ml -1 Tab.1 Flowtimeofpolypropylenesolution(mass concentration:0.005g ml -1 ) g ml g ml -1 5 s 4 Fig.4 Effectofmassconcentrationonthereduced viscosityofpolypropylenesolution 4 5 Fig.5 Effectofmixingtimeonthereducedviscosity ofpolypropylenesolution [4] 1h 2 ; 348h 5 12

4 : 2h 3h 2.4 ; 4h 8h 0.001g ml min 6 (5) K = a=0.78 [58] 2 2 : 2h3h ; 4h ; 8h 2 6 Tab.2 Effectofmixingtimeonthepolypropylenemolecularweight /h η r I (0.001g ml -1 )/ η s η (ml g -1 ) h - [6-7] (1) 3 Tab.3 Effectofrotatingspeedonthereducedviscosityof polypropylenesolution (2) 0.001~0.005g ml -1 I / (0.001g ml -1 )/ (r h -1 ) η r η s (ml g -1 ) η Fig.6 Effectofexposedtimeintheaironthereduced viscosityofpolypropylenesolution 6 (235 min) (234060min) (3) 2h 1200r h -1 (4) ; ( 28) 13

5 :FV520B Q235A ( ) 120 ( ) Q235A ) 170HV10 ; V 160HV10; 164~166 HV1010 : 4 (2)Q235A FV520B ( 1 mm x-y [1] NB/T [2] GB/T (3) x-y HV- [3]. (1)FV520B [J] (2): [4]. [J] (11): [5] GB/T CO 2 : [6] GB/T : 櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥櫥 ( 13) : 3 : [5].Mark-Houwink K [1]. [J] (12): [J]. [6] 2013(11):51.. [M]. : [2]. [J] [7] (6): [M]. : [3] [J] (11):519- [8] [J]. [4] GB/T (9):

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Microsoft Word - 0111-吸入制剂.doc 0111 吸入制剂吸入制剂系原料药物溶解或分散于合适介质中, 以蒸气或气溶胶形式递送至肺部发挥局部或全身作用的液体或固体制剂根据制剂类型, 处方中可能含有抛射剂共溶剂稀释剂抑菌剂助溶剂和稳定剂等, 所用辅料应不影响呼