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Dyeability of polypropylene yarns modified with hyperbranched polyesteramide
关键字：hyperbranched polyesteramide; polypropylene (PP); dyeability; degree of crystallinity
Hyperbranched polyesteramide at the proportion of 1% and 3% (by weight) was added into polypropylene(PP) in order to improve the dyeability of polypropylene yarns by melt spinning. It was found that the hyperbranched polyesteramide&nbs...
http://www.polymer.cn/research/dis_info11449 |
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Morphology and thermal property of PP/ M-PEEAM composite
关键字：PP/ M-PEEAM composite; morphology; thermal property; rheology
Zinc oxide, hexanedioic acid, PEG，caprolactam and MDI were chosen as raw materials to synthesize poly(ether ester amide containing zinc) (M-PEEAM). The PP/M-PEEAM composite and fiber were then prepared by blending M-PEEAM and PP. The&...
http://www.polymer.cn/research/dis_info11434 |
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The thermal and rheological properties of dyeable polypropylene (PP) blends
关键字：polypropylene fiber; thermal property; rheology property; dyeable
Polystyrene (PS)/Garamite particles with different Garamite contents were prepared through in-sitususpension polymerization, and then added into polypropylene (PP) matrix as modification fillers through melt blending.Dyeable PP fibers were melt-spun from&...
http://www.polymer.cn/research/dis_info11431 |
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Development of Durable Softening and Water-repellent PP/HDPE Heat-bondable Composite Fiber
关键字：constituent spinning, durable softening and water-repellent,
Spinning and finishing techniques of a durable softening and water-repellent PP/HDPEheat-bondable fiber were introduced. The fiber has a core-sheath structure. PP is the core andHDPE is the sheath. The core-sheath fiber structure and s...
http://www.polymer.cn/research/dis_info11162 |
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Kinetics for Thermal Degradation of Isotactic Polypropylene in Presence and Absence of Anti-oxidant B215 ( Irganox 1010/Irgaphos 168 (1:2))
关键字：I-pp
The thermal degradation of isotactic polypropylene (I-pp) was carried out in the absence and presence of concentrations of B215 at different temperatures. A method of viscometry was used to study the degradation behavior and Kinet...
http://www.polymer.cn/research/dis_info9175 |
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PP-g-AN耐候性研究
关键字：聚丙烯 耐候性 接枝率
采用高压溶液法制备了高接枝率的丙烯腈-聚丙烯接枝共聚物(PP-g-AN)；通过紫外光加速老化、自然老化实验处理PP-g-AN试样，研究了接枝率、老化时间等对PP-g-AN耐候性能的影响。结果表明,所研制的PP-g-AN接枝共聚物老化后的拉伸强度保持率、伸长率保持率、冲击强度保持率均优于耐候聚丙烯的理化指标。
http://www.polymer.cn/research/dis_info8047 |
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Abnormal Rheological and Mechanical Behaviors of a PP/Silicon Oil Blend
关键字：Abnormal,Rheological,Mechanical,Behaviors,Silicon,Oil,Blend,
Low molecular weight additives have been widely employed in polymer systems for modifying mechanical, physical, and chemical properties to desired levels. In particular, fatty acids, mineral oils, and liquid crystals have been successfully&...
http://www.polymer.cn/research/dis_info7222 |
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the effects of novel compatibilizers on the properties and morphology of pp/pc blends
关键字：polypropylene; polycarbonate, polymer blends; compatibilizer
polypropylene (pp) is one of the largest productive and consumed polyolefins in the plastic industry. it is known to exhibit low impact strength, which makes its engineering structural applications limited greatly.
http://www.polymer.cn/research/dis_info5373 |
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Study on structure and properties of dynamically cured Novolac/PP blends
关键字：Study,structure,properties,dynamically,cured,Novolac,blends,
The dynamic vulcanization process was used to prepare polypropylene (PP) and Novolac type phenolic resin (Novolac) blends. The structure and properties of dynamical cured PP/Novolac blends were investigated.
http://www.polymer.cn/research/dis_info5295 |
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Mechanical properties and morphologies of polypropylene with different sizes of glass bead partecles
关键字：polypropylene (PP); toughening; glass bead
A commercial grade of isotactic polypropylene (PP) was used to study the mechanical properties and morphologies of the PP composites filled with four sizes of glass beadparticles.
http://www.polymer.cn/research/dis_info5223 |
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