In this paper, the conditions resulting in the unusual spherulites of PET and PBT were investigated by small Angle laser scattering instrument.
本文用小角激光散射仪考察了PET和PBT变态球晶的形成条件,采用模型法分析了变态球晶的内部结构。
After false texturing the degree of crimp, crimp contraction, crimp modulus and crimp stability of PBT/PET fiber are all in the optimum condition, the elasticity of its woven fabric can be over 23%.
且证明了PBT/PET并列型复合纤维经假捻变形后其卷曲度、卷曲收缩率、卷曲模量、卷曲稳定性处于最佳状态,经机织后织物的弹性可达23%以上。
As accelerator for PET, PBT could decrease the cooling crystallization temperature and increase the melt crystallization temperature of recycled PET.
PBT作为PET结晶促进剂,降低回收PET的冷结晶温度,提高热结晶温度。
The crystallization property of PET-PBT copolyester has been investigated by means of differential scanning calorimetry (DSC) and X-ray in this paper.
运用差示扫描量热法(dsc)等分析手段研究了PET -PBT共聚酯的结晶性能。
Mechanical property test, end group analysis and SEM were adopted to study the ageing of PET and PBT composites.
采用拉伸强度与冲击强度测试、端基分析及扫描电镜分析等手段探讨了PET、PBT复合材料的老化机理和老化性能。
The introduction of PBT segments in the copolyester is favorable for PET crystallization.
PBT链段的引入增强了PET分子链段的柔顺性,有利于提高PET链段的结晶能力。
By using of DSC thermo-analysis to measure the degree of crystallization for both PBT and PET component, the relationship between the supermolec…
采用DSC 热分析技术测量了该复合纤维的结晶度,并根据热湿收缩试验讨论了其与纤维热收缩的关系。
Results showed that the knot strength was raised by blending of PET-PBT.
结果表明:通过PETPBT共混,提高了单丝的勾结强度;
Mechanical property test, end group analysis and SEM were adopted to study the ageing of PET and PBT composite...
采用拉伸强度与冲击强度测试、端基分析及扫描电镜分析等手段探讨了PET、PBT复合材料的老化机理和老化性能。
In this paper, research & development of PET engineering plastics about ALLOY have been reviewed. The research & pr0duce of PET/PBT. PET/PC. PET/Polyether-ester was introduced.
综述了PET工程塑料合金化方面的主要研究开发情况,就PET/PBT、PET/PC、PET/聚酯聚醚、PET/尼龙、PET/PE等合金的研究及应用情况作了简单介绍。
In this paper, research & development of PET engineering plastics about ALLOY have been reviewed. The research & pr0duce of PET/PBT. PET/PC. PET/Polyether-ester was introduced.
综述了PET工程塑料合金化方面的主要研究开发情况,就PET/PBT、PET/PC、PET/聚酯聚醚、PET/尼龙、PET/PE等合金的研究及应用情况作了简单介绍。
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