求一个ptapta 读者邀请码验证码

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  塑料1305年末震荡区间;PTA1305震荡区间;棉花1305、白糖1305多单可持有;沪铜1303下方强支撑5下方强支撑6763,不破均可吸纳短线持有;螺纹1305上方阻力3895;橡胶1305关键位25114上破可逢低吸纳之;豆粕1305上方阻力3480、支撑3362;豆一1305上方阻力4790,下方支撑4721、玉米1305下方支撑2403均可逢高少量空之,上破则止损。
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258集团 版权所有 闽ICP备[PTA]:4月8日下午美金盘市场PTA价格持稳
隆众资讯4月8日报道:下午美金盘PTA市场价格稳定,PTA美金船货报盘维持至755-760美元/吨,PTA一日游货源供应商报盘维持至780-830美元/吨,未有成交听闻。【隆众资讯】
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<font color='FF ↑1.29
<font color='FF ↑1.25
丁基橡胶(溴化2030)
PP粒(4220(管材))
丁基橡胶(氯化1066)
聚合MDI(M20S)
聚合MDI(M20S)
聚合MDI(PM200)
纯碱(重质)
丁基橡胶(氯化139)
纯碱(重质)
纯碱(重质)
沥青(SBS改性沥青)您所在位置: &
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PTA和QTA、MTA的比较.ppt 27页
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PTA和QTA、MTA的比较
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Comparison of PTA and Medium-Purity TA Feedstocks
Properties of Feedstocks Yellow-Colored Byproducts in Medium-Purity TA
PET Degradation Mechanism Proposed Mechanism for PET Color Formation
Reactions of 4-CBA Formation of Polyenealdehydes
Analysis of Korea Polyester Chip Samples Produced from PTA/MTA/QTA Feedstocks Semi-Dull Chip Characteristics Effect of Medium-Purity TA Feedstocks Semi-Dull Chip Characteristics Effect of Medium-Purity TA Feedstocks Semi-Dull Chip Characteristics Effect of Medium-Purity TA Feedstocks How to Make PET From QTA with Low b* Effect of Medium-Purity TA Feedstocks Contributions to Variability
Contributions to PET b*-Value Variability
Contributions to PET b*-Value Variability (continued) Comparison of PTA and Medium-Purity TA Feedstocks
BP CONFIDENTIAL Effects on PET Properties and PET Color Variability
Formation of Colored Byproducts During the PTA Hydrogen Treatment Process Intensely Yellow Intensely Yellow Yellow 2,6-Dicarboxyanthraquinone (DCAQ) 2,6-Dicarboxyfluorenone (DCF) References: E. P. Goodings, Soc. Chem. Ind. (London) Monograph No. 13, 211 (1961) ? L. H. Buxbaum, Angew. Chem. Internat. Edit., 7, 182 (1968) Reference:
E. P. Goodings, Soc. Chem. Ind. (London) Monograph No. 13, 211 (1961)
Polyenealdehyde
Absorbance Maximum
Conclusions:
(1) PTA b* has a direct influence on PET b* (2) PTA with a b* of ~1.0 with low variability is the preferred PET feedstock PURPOSE:
To develop a better understanding of the effects of medium-purity TA feedstocks, a variety of PET chip samples that were made from PTA, medium-purity TA and blends were collected from Korean polyester producers.
These samples were analyzed at Naperville to investigate whether quality limitations in the downstream exist for PET producers who use the medium-purity TA feedstocks. SAMPLE ID: BR = bright chip used for filament and tire cord end- SBR = used in
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