热降解
- thermal degradation
![热降解](../cache/1175019.jpg)
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二苯砜磺酸钾阻燃PC的热降解行为及老化寿命估算
Thermal degradation behaviors and lifetime of polycarbonate flame-retardanted by potassium diphenyl sulfonate
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Cr2O3增效阻燃PP的制备及其热降解性能的研究
Preparation and Study of Thermal Degradation Property of Flame Retardant PP Synergized by Cr_2O_3
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气氛对Cr2O3催化阻燃聚丙烯体系热降解动力学的影响
Effect of Atmosphere on Thermal Degradation Kinetics of Flame Retardant PP Catalyzed by Cr_2O_3
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含磷阻燃剂对PET热降解的影响和阻燃机理研究
Effects of Phosphorus-Containing Flame Retardants on the Pyrolysis of PET and Their Mechanism of Flame Retardancy
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热降解表现活化能E为16.A~22.6千卡/克分子;
The apparent activation energy of heat - degradation , E , from 16.7 to 22.4 kcal . / mol.
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采用红外光谱法研究贝壳粉对PVC热降解行为的影响
Research on the influences of shell powder on the thermal degradation behaviour of PVC by IR
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MC能影响PMMA的热降解过程并促进其成炭;
MC can affect the thermal degradation and promote the charring of PMMA .
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MC尼龙热降解动力学的研究
Study on the Thermal Degradation of MC Nylon
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SiO2溶胶对羊毛的阻燃改性及热降解
Flame retardation and thermal degradation of wool treated with SiO_2 sol
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阻燃HIPS纳米复合材料的热降解和燃烧行为
Thermal degradation and combustion behavior of flame retardant HIPS nano-composite
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LPNR胶乳和NR胶乳热降解性能的研究
Thermal degradation kinetics of LP NR latex and NR latex
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新型成炭剂对膨胀阻燃PP体系的阻燃及热降解行为研究
Research on the effect of a novel char-agent on flame retardancy and thermal degradation of intumescent flame retardant PP system
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纳米SiO2/聚丙烯酸酯复合涂层的热降解
Thermal Degradation of Nano-SiO_2 / acrylic Resin Composite Film
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这与PC端OH基相对浓度同PC热降解率的关系相一致。
These results are well in agreement with the relation between the relative concentration of the hydroxy end group and heat degradation properties of polycarbonate .
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热降解机理是Deceleration中的D3降解机理;
The thermal degradation mechanism obeyed D 3 in Deceleration ;
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纤维(腈纶、麻、羊毛)和软PVC塑料热降解及阻燃机理的研究
The Study on the Thermal Degradation and Flame Retardant Mechanism of Some Polymer-PAN Fibers , Hemp Fabric , Wool , and Flexible PVC
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TGA-FTIR联用技术研究ABS树脂热降解行为
Thermal Degradation Behavior of ABS Resin Based on TGA-FTIR Technology
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利用Friedman法研究了热降解动力学。
Thermal degradation kinetics was studied by Friedman method .
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协同阻燃作用的机理与LDH和APP热降解过程中产物间的化学与物理作用有关。
The synergic flame retarding mechanism is related to chemical and physical effects of reaction products in LDH and APP thermal degradation .
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MnO2催化阻燃聚丙烯体系的热降解动力学研究
Thermal Degradation Kinetics of Flame Retardant PP Catalyzed by MnO_2
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采用经验特性粘度方程表征聚苯乙烯(PS)的热降解可以大大简化试验过程。
The thermal decomposition of polystyrene was characterized with the experiential intrinsic viscosity equation , and this method could greatly simplify the experiment process .
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电子束辐照对LLDPE、EVA及其共混物阻燃性能和热降解性能的影响
Effects of Electron Beam Irradiation on the Thermal Degradation and Flame Retardant Properties of LLDPE 、 EVA and Their Blends
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研究表明,聚磷酸铵(APP)可明显地改变淀粉的热降解行为促进成炭;
It is shown that ammonium polyphosphates ( APP ) can change the path of thermal degradation of starch and promote it to form char .
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H型β沸石的存在能显著地降低聚乙烯的热降解温度,催化剂的酸量和用量对聚乙烯降解温度、活化能及积炭生成有很大的影响。
The results showed that H β zeolite can reduce significantly degradation temperature of HDPE . The amount and acidity of catalyst have great effect on degradation temperature and coke yield for HDPE .
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概述了PVC的热降解与稳定化机理,着重介绍了稀土复合稳定剂、复合铅盐稳定剂、钙/锌复合稳定剂等复合热稳定剂的分类、性能及其发展趋势。
The heat degradation and stabilizing mechanism of PVC were summarized . The classification , performance , current status and development trend of PVC composite heat-stabilizers are also introduced .
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对样品进行TG分析后,采用Coats-Redfern法计算了再生前后胶原热降解活化能。
Coats-Redfern method was employed to calculate the thermal degradation activation energy of collagen before and after regeneration .
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C阶COPNA树脂耐热性优良,在氮气中的热降解起始温度达450℃。
Moreover , C stage COPNA resin possesses good thermo-stability as indicated by that initial thermal decomposition temperature arrives at 450 ℃ in nitrogen .
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研究不同牌号聚硫橡胶及其含量对聚硫聚氨酯结构和热力学性能的影响,通过TGA确立了热降解活化能。
The structure , thermal mechanical properties and degradation activation energy of polysulfide-based polyurethane were characterized by FT-IR , DSC and TGA .
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自然凝固工艺制备的NR热降解反应的表观活化能高于甲酸凝固工艺制备的NR热降解反应的表观活化能。
The apparent activation energy of thermal degradation reaction of the NR by natural coagulation is higher than that coagulated with the technology of formic acid .
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用TGA,FTIR和XPS等手段对落叶松木质素和水曲柳木质素凝聚相的热降解过程及成炭行为进行对比研究。
The thermal degradation and charring of both larch lignin and manchurian ash lignin in the condensed phase were comparatively investigated by using TGA , FTIR and XPS .