维卡软化点
- 网络vicat softening point;Vicat Softening Temperature
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对用于铝塑复合管的不同种PE原料的力学性能、熔体流动速率、维卡软化点等性能进行了测试,并研究了标记铝塑复合管不同种用途的色母料的加入对材料性能的影响。
The several brands of PE materials used on Al plastics compound pipe are tested , and its mechanics property , Melt Index ( MI ), Vicat Softening Point ( VSP ) and etc are given .
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在玻璃纤维含量的40份时,复合材料的拉伸强度70MPa,缺口冲击强度11kJ/m~2,维卡软化点111℃,布氏硬度176MPa。
When the fiber contents were 40 phr , the tensile strength was 70 MPa , impact strength 11kJ / m ~ 2 , vicat softening point 111 ℃ and hardness 176 MPa .
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SEM分析表明,PVC/膨润土复合材料A显示出明显的韧性断裂特征,但其维卡软化点没有明显的提高。
SEM showed that PVC / organobentonite composite A had evident toughness properties , but the VSP of it was not evidently increased .
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有机蒙脱土改善了与ABS树脂的相容性和界面结合力,ABS邝沮城T复合材料的力学性能、维卡软化点均较ABS有显著提高。
It showed that the mechanical properties , Vicat softening point ( VSP ) of ABS / organic MMT composites were improved .
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测试了改性前后PA6/GF复合材料的玻璃化温度(Tg)、熔点(Tm)及维卡软化点温度,用热重分析(TG)研究复合材料的热分解情况。
The glass translation temperature ( Tg ), melting temperature ( Tm ), vicat softening temperature of modified and unmodified composites were all tested .
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结果表明:随PC用量的增加,HDPE/PC共混合金的熔体流动速率减小,缺口冲击强度增大,拉伸强度增大,维卡软化点变化不大。
The results show that MFR of HDPE / PC alloy is reduced , the impact strength and tensile strength is increased , and softening point has no remarkable changes with increasing the content of PC .
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丙烯酸酯类加工助剂对PVC制品的拉伸强度和维卡软化点无明显影响,高黏度的加工助剂有提高PVC制品拉伸强度和维卡软化点的趋势。
Acrylate processing aids did not have obvious effect on the tensile strength and vicat softening temperature of PVC products ; high viscosity processing aids showed the possibility of increasing the tensile strength and vicat softening temperature of PVC products .
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结果表明,St的加入量为10份左右时,改性PVCC的拉伸屈服强度达到最大值(69MPa),较未改性PVCC约提高17%,但维卡软化点降低;
The results showed that the yield strength in tension of modified PVC-C reached the maximum of 69 MPa , which was 117 % higher than that of unmodified PVC-C , but the vicat softening temperature decreased when St amount was about 10 parts ;
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结果表明:St的加入量为10份时,改性CPVC的屈服强度明显高于空白CPVC的屈服强度,但维卡软化点降低;
The results showed that when the adding amount of St was about 10 parts , the yield strength of modified CPVC was higher than that of unmodified CPVC in the same chlorine content , but the vicat softening temperature decreased .
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在相同弹性体含量下,Co-PP/OBC共混物的熔体流动指数明显高于Co-PP/POE,其维卡软化点也较高,表明OBC独特的分子链段结构有利于共混物保持良好的加工流动性与耐热性。
The melt flow index and the Vicat softening point of Co-PP / OBC blends are both significantly higher than Co-PP / POE at the same content of elastomer , which indicating that the unique block structure of OBC is propitious to maintain good processing and heat resistance properties .
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维卡软化点热变形温度微机控制系统的设计与实现
Design of Vicat Soft Temperature and Hot Deformation Temperature PC HOT POINT
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此外,共混物的热稳定性和维卡软化点温度也有一定程度的提高。
The thermal stability and Vicat softening temperature of blends rise at certain degree also .
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改性PVCC的拉伸屈服强度和维卡软化点均随氯含量的增加而提高;
The yield strength in tension and vicat softening temperature were both increased with the increase of chlorinity .
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结果表明:随共聚物用量的增加,共混物的玻璃化温度和维卡软化点明显提高;
The results showed that the glass transition temperature and vicat softening point increased obviously with the increase of the content of the terpolymer .
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结果证明:与CPVC/PVC共混物的性能相比较,CPVC-cg-MAH/PVC的力学性能和维卡软化点均有提高。
Results show that , compared with CPVC / PVC blends , the mechanical properties and Vicat softening point of CPVC-cg-MAH / PVC was increased .
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不仅如此,PMMA/nano-SiO2复合材料的热稳定性也得到增强,玻璃化转变温度由原来的104.85℃升高为119.3℃,维卡软化点也提高了13℃。
Not only these , PMMA / nano-SiO2 composite materials have also enhanced thermal stability , glass transition temperature increased from 104.85 ℃ to 119.3 ℃, vicat softening temperature increased by 13 ℃ .
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但力学性能大幅降低,抗拉强度由石蜡含量40%时的9.2MPa下降到70%时的5.6MPa,维卡软化点温度和硬度也明显降低。
As the content of paraffin changed from 40 % to 70 % , its tensile strength dropped from 9.2 MPa to 5.6 MPa . The vicat softening point and hardness also dropped seriously .
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结果表明,在RPP/RC复合体系中加入固相接枝共聚物,可有效提高复合材料的拉伸强度、弯曲强度、弯曲模量和维卡软化点。
The results showed that the addition of the graft copolymer into RPP / RC could effectively improve the tensile strength , bending strength , bending modulus and Vicat softening point of the composites .
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通过测定其拉伸强度和维卡软化点,分析了有机蒙脱土的含量对材料性能的影响,并比较了两种改性蒙脱土对材料性能的影响。
By measuring the tensile strength and Vicat Softening Temperature , we analysis the effects of the content of org-montmorillonite to properties of this composite and compare the effects of this two modifiers on the composite .
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本文主要介绍了基于单神经元预测控制器实现的热变形、维卡软化点温度测定仪的设计方法,其所实现的权值在线自适应调整,较好地克服了时滞及参数变化带来的影响;
The paper introduces the mensuration of HDT and VST based on single neuron predictive controller , the weights of the controller can be adaptively adjusted on line to overcome the time delay or variety of parameters ;
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抽提分离和差示扫描量热法测试表明,其为结晶型全同立构聚合物,全同立构含量为45%~90%,熔点为215℃,维卡软化点为193℃。
The extraction separation experiment and differential scanning calorimetric measurement indicate that the resultant belongs to crystallizable isotactic polymer , possessing isotactic index ranging from 45 % to 90 % , melting point 215 ℃ and Vicat softening point 193 ℃ .