atactic


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Related to atactic: syndiotactic polymer
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Synonyms for atactic

lacking motor coordination

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References in periodicals archive ?
493 IP is polarity index; [alpha] and [beta] are the two regions from NMR spectra used to estimate the tacticity; rr is isotactic fraction; mr is atactic fraction; mm is syndiotactic fraction; Pr/m is the conditional probability; and Pm/r is the reverse probability from Bernoullian statistics.
It is rumoured that coaches are teaching players to use grunting as an integral part of their game, although the worst offenders insist that it is not atactic to gain an advantage, but simply an involuntary release at the moment of exertion.
Also, adding a small amount of low molecular weight, atactic polyethylene wax will usually promote better calender release (ref.
In particular, blends of isotactic and atactic polypropylenes (iPP and aPP) were studied.
Garcia JM, Laguna O, Collar EP (1997) Role of Reaction Time in Batch Process Modification of Atactic Polypropylene by Maleic Anhydride in Melt.
Characterization of Morphologies and Nanostructures of Blends of Poly(styrene) Block-Poly(ethane-co-but-1-ene)-Block-Poly(styrene) with Isotactic and Atactic Polypropylenes by Tapping-Mode Atomic Force Microscopy," Langmuir, 14, 1219-1226 (1998).
Of the total waterproofing solutions for infrastructure projects, 46% use bituminous solutions with atactic polypropylene (APP) and styrene butadiene styrene (SBS) membrane solutions, together holding 71% market share.
Accordingly, previous findings by authors related to the effect of different interfacial modifiers based on grafted atactic polypropylenes (aPP-X, where x is any polar moiety able to modify the nonpolar nature of the matrix), showed that these are able to improve the local secondary interactions with the polar groups on the reinforcement surface, or even by yield primary bonds at the interface [21-26].
Bituline(R) Prima The Prima" series consist of plastomeric membranes modified with Atactic Polypropylene" (APP).
Atactic PP is amorphous, not crystalline, and is what many hot glues are made from.
investigated the effect of polymer type on temperature-programmed copyrolysis of Turkish oil shales with atactic polypropylene (APP) and low-density polyethylene (LDPE) [16, 17].
The trainer of any team has to create atactic to win, that's all.
The top layer is comprised of a mixture of: (a) polypropylene modifiers comprised of isotactic polypropylene, ethylene-propylene copolymer, atactic polypropylene and polyethylene, (b) filler and (c) asphalt.
Metallocenes have been designed that enchain prochiral monomers like propylene in atactic, isotactic, syndiotactic and hemi-isotactic orientations.
Polypropylenes (PP) synthesized using traditional Ziegler-Natta catalysts are generally about 95% isotactic, with a few percent atactic and some syndiotactic polymer.