WebNov 14, 2012 · Crystallization kinetics of polypropylene containing a sorbitol nucleating agent Polymer Journal We carried out an isothermal crystallization experiment on isotactic polypropylene (iPP)... WebApr 12, 2024 · Particle transport is still an immense challenge in many processes today and affects both the operation and the consistency of the product quality, which is essential in the pharmaceutical industry, for example. Therefore, we developed a suspension correlation of particles in the crystallization process for a slug flow crystallizer in the field of small …
Crystallization of polypropylene, nylon‐66 and poly(ethylene ...
WebDec 20, 2014 · A great number of investigations demonstrated that it is more difficult for polypropylene random copolymer (PPR) to obtain high β-crystal content. To increase the β-crystallization in PPR, calcium pimelate (CaPA) supported on the surface of nano-CaCO 3 (CC 100) was used as a β-nucleating agent. WebJan 15, 2006 · This article describes the crystallization behavior of polypropylene (PP) in the presence of a crystallizable polymer, namely, nylon 6, in the binary blend of PP/nylon 6 in the composition range from… Expand 38 Improved compatibility between polyamide and polypropylene by the use of maleic anhydride grafted SEBS B. Ohlsson, H. Hassander, … chisholm trail mall newton ks
Introductory Chapter: Polypropylene - Synthesis and …
WebJun 7, 2024 · The effect of the nucleating agent masterbatch carrier resin on the nonisothermal crystallization of a pipe-grade polypropylene block copolymer was investigated at three different cooling rates ... WebThe Avrami exponent n was between 1.3 and 1.7, independent of crystallization pressure and temperature. Lines of constant Avrami rate parameter Z in the P-T plane were essentially parallel to the pressure dependence of the melting points and crystallization temperatures. However, the Avrami equation was not suitable for PET. WebJun 25, 2024 · A porous linear isostatic polypropylene (iPP) piezoelectret with oriented cell structure is controllably prepared by crystallization self-reinforcement method based on a unique variable thermal history.In this multi-step one-pot foaming strategy, the iPP sheet placed in a 1D confined space undergoes appropriate initial heating, quenching, … graph next