聚合物特征和試驗(yàn)ppt課件-在線瀏覽
2025-06-20 03:16本頁(yè)面
【正文】 流動(dòng)速率測(cè)試，測(cè)量添加劑配比的有效性 Additive content 添加劑含量 ? Only one “key additive” is measured in the pellet ? 只測(cè)定塑料顆粒中 “關(guān)鍵添加劑”的含量 ? The key additive level is used as an indicator of total additive level and other additive levels. ? 根據(jù)各項(xiàng)添加劑的添加比例，用這項(xiàng)關(guān)鍵添加劑的含量來(lái)表示總的添加劑含量以及其它添加劑含量 ? Method depends on the additive Masterbatch being correct! ? 本方法取決于添加劑母料混合物的配方比例必須是正確的 ? Some additives are easier to measure with precision than others (typical key additives are phenolics, phosphites, and CaSt or DHT). ? 某些添加劑要比其它添加劑更容易精確測(cè)定（常用的關(guān)鍵添加劑有酚醛樹脂、磷酸酯，和硬脂酸鈣或二丁基羥甲苯（ DHT）） ? Specific tests used to determine additive level include FTIR and XRF ? 用于測(cè)定添加劑含量的特殊試驗(yàn)方法包括富利埃變換紅外光譜法（FTIR)和 X射線熒光分析法（ XRF） FTIR 富利埃變換紅外光譜 ? “ Fourier Transform InfraRed” Spectroscopy ? “富利埃變換紅外 ”光譜 ? Good for Phenolics, Hindered Phenols (Primary stabilizers and UV Stabilizers), and similar molecules ? 適合于酚醛樹脂、受阻酚 (主要的穩(wěn)定劑和紫外光穩(wěn)定劑 )以及類似分子的檢測(cè) ? Common Key additives include Irganox 1010/3114, DGMS, and Tinuvin 622, and Sodium Benzoate ? 常用的關(guān)鍵添加劑包括 Irganox 1010/311 DGMS 以及 Tinuvin 622 和苯甲酸鈉 ? Pellets are pression molded into sheet, which is inserted into machine ? 先將樣品塑料粒子壓制成薄片，然后將樣片插入到檢測(cè)儀器中 ? Calibration curve needed to calculate additive level ? 需要用校正曲線來(lái)計(jì)算添加劑的含量 XRF: XRay Fluorescence Spectrometer XRF: X射線熒光光譜儀 ? Good for additives containing Calcium, Phosphorus, Sodium, Sulfur, Zinc ? 適合于檢測(cè)含有鈣、磷、鈉、硫、鋅的添加劑 ? Pellets pressed into plaque and inserted into machine ? 先將試樣塑料粒子壓制成型為樣板，然后將樣板插入檢測(cè)儀器 ? Need to have a calibration curve for additive ? 必須先建立一條添加劑含量的校正曲線 A D D IT IV E E L E M E N TC a s t ( S T ) C a l c i u m ( C a )DHT M a g n e s i u m ( M g )U l t r a n o x 6 2 6 ( U L ) P h o s p h o r u s ( P )W e s t o n 6 1 9 ( W E ) P h o s p h o r u s ( P )I r g a f o s 1 6 8 P h o s p h o r u s ( P )I r g a n o x B 5 0 1 W ( B W ) P h o s p h o r u s ( P )W e s t o n T N P P P h o s p h o r u s ( P )I r g a n o x B 2 1 5 P h o s p h o r u s ( P )M o n o p o t a s s i u m C i t r a t e ( M C )P o t a s s i u m ( K )N A 1 0 S o d i u m ( N a )S o d i u m B e n z o a t e S o d i u m ( N a )D S T D P ( D S ) S u l f u r ( S )D M T D P S u l f u r ( S )B u t y l z y m a t e ( B Z ) Z i n c ( Z n )添加劑 元素 硬脂酸鈣 鈣， Ca DHT 鎂， Mg 磷， P 磷， P 磷， P 磷， P 磷， P 磷， P 檸檬酸二氫鉀 鉀， K 鈉， Na 苯甲酸鈉 鈉， Na DSTDP，硫代二丙酸二硬脂醇酯 硫， S DMTDP，硫代二丙酸二甲酯 硫， S BZ，二丁基二硫代氨基甲酸鋅 鋅， Zn Ethylene Content 乙烯含量 ? Uses FTIR (pressed plaques, etc) ? 采用富利埃變換紅外光譜（試樣壓片等） ? Calculates ? 計(jì)算 – Total weight percent ethylene – 乙烯的總重量百分比含量 – Weight Percent ethylene in the random copolymer segment – 無(wú)規(guī)共聚物片斷中的乙烯重量百分比含量 – Calculates the percentage of the impact copolymer posed of ethylenepropylene random copolymer – 計(jì)算由乙烯 丙烯無(wú)規(guī)共聚物組成的高抗沖共聚物的百分比含量 ? Used for QC control and product release ? 用于 QC控制以及發(fā)放產(chǎn)品質(zhì)量證書 Hexane Extractables 己烷可抽提物 ? Pellets are ground into a powder ? 先將塑料粒子磨成粉末 ? Refluxed in boiling hexane for 3 hours in a thimble ? 放在套管內(nèi)用沸騰的己烷回流三小時(shí) ? Weight lost in extraction is reported as % hexane extractables ? 稱重計(jì)算抽提失重，計(jì)作己烷可抽提物百分比 ? In plant environment, % HE is also measured by NMR ? 在工廠環(huán)境中，己烷可抽提物百分比也可以用核磁共振法（ NMR）進(jìn)行測(cè)定 – Same sample prep – 準(zhǔn)備相同的樣品 – NMR must be calibrated based on numerous known samples – NMR必須用各種已知的樣品進(jìn)行校正 Decalin and Xylene Solubles 十氫萘和二甲苯可溶物 ? Xylene extracts more from the resin than hexane ? 二甲苯可以比己烷從樹脂中抽提出更多的提取物 ? Decalin extracts more from the resin that Xylene ? 十氫化萘可以比二甲苯從樹脂中抽提出更多的提取物 ? Decalin test procedure: ? 十氫化萘試驗(yàn)步驟： – powder sample is dissolved in heated decalin – 將粉狀樣品溶解在加熱的十氫化萘中 – the solution is chilled at 0C, and then filtered – 將溶液在 0186。C下加熱兩小時(shí)，稱重盤中的剩余物料計(jì)作十氫化萘可溶物 ? Xylene typically not used by BP NA, though other suppliers use it ? BP 北美通常不采用二甲苯可溶物指標(biāo)，雖然其它供應(yīng)商采用這個(gè)指標(biāo) ? NMR is also used to test DS and XS ? 也可以用核磁共振法 (NMR)進(jìn)行十氫化萘可溶物 (DS)和二甲
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