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1.Instantaneous pressure variations and spikes are due to large instantaneous changes in melt viscosity.
瞬间的压力变化及峰值出现是由熔融粘度瞬间变化导致的。收藏指正
2.The results showed that reducing melt viscosity fluctation,increaing draw ratio and circular blow filter sieve area,adjustment colletion tow angle could decrease the linear density uneveness.
结果表明减小熔体粘度波动、提高拉伸倍数、加大环吹滤网进风面积和调整集束丝束转角可降低线密度不匀率收藏指正
3.It was shown if adding a small amount of processing assistants, the melt viscosity of PP could be obviously decreased and if blending LDPE with PP, the melt flow rate(MFR) of the blend is much higher than that of PP and LDPE and MFR of LDPE/PP is maximum when LDPE/PP is 30/70, which indicates that the flow properties of PP may be effectively improved by blending LDPE with PP.
结果表明:少量(3％左右)PP加工助剂可使PP的熔体粘度明显降低; LDPE与PP共混对改善PP的熔体流动性能效果显著,共混物的熔体流动速率(MFR)均大于PP和LDPE的MFR,并于共混比 LDPF/PP为30／70时,共混物的MFR为最大。收藏指正
4.This paper introduces the main properties of PP foam, the technology of extruding foam of chemically cross linked PP in one step:PP is crosslinked appropriately while plasticized in extruder, and foaming agent is decomposed at a suitable melt viscosity by controling the processing conditions, then free foaming is finished at the exit of the die and the foam is abtained.
介绍了聚丙烯 (PP)挤出发泡材料的主要性能、一步法化学交联PP挤出发泡成型技术的开发 ,即在挤出机内进行塑化的同时使PP发生适度的交联反应 ,通过工艺条件的控制 ,使其在具有适当的熔体粘度后完成发泡剂的分解反应 ,经挤出机挤出后在机头口模出口处完成发泡 ,从而得到满足一定要求的发泡制品。收藏指正
5.A Comparison between the behaviors of PVC compounded with carboxylic ester rare earth salt (CERES) and orsanotin mercaptide respectively was made by means of Haake torque rbeometer and AG—10TA unversal testing machine, It was found that the melt viscosity of PVC/CERES blend was some greater than that of PVC/orsanotin mercaptide blend under same testing condition, which would not bring unfavourable consequences for the processing level.
用RAAKE转矩流变仪、AG—10TA万能材料试验机的流变装置对羧酸酯稀土(CERES)和有机硫醇锡两种稳定剂与聚氯乙烯(PVC)的复合物的流变性能进行比较,发现CERES与PVC复合物的熔体粘度在相同实验条件下比有机硫醇锡与PVC复合物的熔体粘度略大,但不会带来加工上的困难。收藏指正
6.The results showed that sensitivity of melt apparent viscosity to temperature decreased, sensitivity of melt apparent viscosity to shear rate increased with intcrfacial adhesive strength and fiber concentration increasing.
实验结果表明:材料界面粘结强度越大,玻纤含量越高,熔体表观粘度对温度的敏感性减弱,对剪切速率的敏感性则增强。收藏指正
7.In this paper,the effect of the main components in EEA hot melt adhesive(HMA) on the viscosity and shear strength of the HMA were studied. Results showed that the wax played an important role in viscosity and the petroleum resin was important to increase the shear strength.
本文研究了EEA体系热熔胶中主要组成物EEA树脂 ,增粘树脂和蜡类对热熔胶高温熔融粘度和剪切强度的影响收藏指正
8.AS-BOZ is solid at room temperature ,which will be melt at 89℃,the initial viscosity of liquid at 90℃ was 108cp and was only 121cp after 240 min.
采用Brookfield旋转粘度计对各树脂体系在成型温度下粘度随时间的变化关系进行了研究，其中B-BOZ在90℃时的起始粘度为270cp，其粘度随时间的变化较为缓慢，经过4小时后，其粘度仅为340cp，这表明其可满足RTM成型工艺的要求。收藏指正
9.SW586 shows the best melt stretchability which isbelieved to be relative to the ability of viscosity deformation, F800EDF the lowest and CF3017 in between.
树脂在流延过程中的拉伸能力主要与粘性应变的能力有关,三种树脂的熔体拉伸能力最好的是SW586,CF3017居中,F800EDF的拉伸能力较低。收藏指正
10.Studies on Fiber—Forming Polymer Blends Containing PBT Ⅰ.Viscosity of Blend Melt
含PBT的成纤高聚物共混物研究 Ⅰ.共混物熔体的粘度收藏指正
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