(of a stereospecific polymer) having identical steric configurations of the groups on each asymmetric carbon atom on the chain
Compare syndiotactic
Examples of 'isotactic' in a sentence
isotactic
Isotactic polypropylene homopolymer was utilized to produce parts.
Bula Karol, Różański Leszek, Marciniak-Podsadna Lidia, Wróbel Dawid 2016, 'The use of IR thermography to show the mold and part temperature evolution in injectionmolding', Archives of Mechanical Technology and Materialshttp://www.degruyter.com/view/j/amtm.2016.36.issue-1/amtm-2016-0008/amtm-2016-0008.xml?format=INT. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The samples exhibited a typical α-modification spherulite structure of isotactic polypropylenes crystallized from the melt.
Ismael Amer, Albert van Reenen, Touhami Mokrani 2015, 'Molecular weight and tacticity effect on morphological and mechanical properties ofZiegler–Natta catalyzed isotactic polypropylenes', Polímeroshttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0104-14282015005001109&lng=en&tlng=en. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The optimum polymerization conditions ensuring isotactic content over 50% were disclosed experimentally.
G. Santhana Krishnan, H. Phadnis, A. Burkanudeen, N. Murali 2012, 'Facile synthesis of stereoregular carbon fiber precursor polymers by template assistedsolid phase polymerization', eXPRESS Polymer Lettershttp://www.expresspolymlett.com/letolt.php?file=EPL-0003431&mi=cd. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Both parameters have been found to change markedly at an average isotactic length (n1) of 30 propylene units.
Mario Hoyos, Pilar Tiemblo and José Manuel Gómez-Elvira 2008, 'Effect of microstructure on the thermo-oxidation of solid isotactic polypropylene-basedpolyolefins', Science and Technology of Advanced Materialshttp://www.iop.org/EJ/abstract/1468-6996/9/2/024404. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The present work investigates the deformation behavior of isotactic polypropylene in uniaxial geogrid manufacture experimentally and numerically.
Chao Zheng, Jie Liu, Jianuan Fan, Yiguo Luan, Libin Song 2016, 'Research on deformation behavior of isotactic polypropylene in uniaxial geogrid manufacture',Materials & Designhttp://www.sciencedirect.com/science/article/pii/S0264127515308169. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Both pigments acted as highly effective nucleating agents that influence morphology and mechanical properties of isotactic polypropylene injection molded samples.
Mateusz Barczewski, Danuta Matykiewicz, Bartłomiej Hoffmann 2017, 'Effect of Quinacridone Pigments on Properties and Morphology of Injection Molded IsotacticPolypropylene', International Journal of Polymer Sciencehttp://dx.doi.org/10.1155/2017/7043297. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Observations are reported in isothermal torsional oscillation tests on melts of isotactic polypropylene reinforced with carbon nanofibres.
A.D. Drozdov, A. Al-Mulla, D.A. Drozdov, R.K. Gupta 2013, 'Linear viscoelasticity and thermal degradation of hybrid nanocomposites: isotacticpolypropylene reinforced with carbon nanofibres', Maǧallaẗ al-abḥāṯ al-handasiyyaẗhttp://pubcouncil.kuniv.edu.kw/jer/files/18Jun20130230593_Lenear.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Two-dimensional simulations are carried out to predict the crystallization morphology of isotactic polystyrene under an injection molding process.
Xiaodong Wang, Jie Ouyang, Wen Zhou, Zhijun Liu 2016, 'A Phase Field Technique for Modeling and Predicting Flow Induced Crystallization Morphologyof Semi-Crystalline Polymers', Polymershttp://www.mdpi.com/2073-4360/8/6/230. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
A series of polymorphic samples of isotactic polypropylene, obtained via selective nucleation, were studied by vibrational spectroscopy.
Ellis, G., Marco, C., Gómez, M. A., Blancas, C. 2004, 'Caracterización de la heterogeneidad estructural en polipropileno polimórfico medianteespectroscopia vibracional: microscopia IR y Raman', Boletín de la Sociedad Española de Cerámica y Vidriohttp://ceramicayvidrio.revistas.csic.es/index.php/ceramicayvidrio/article/view/535/555. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)