Rheology-morphology relationships of new polymer-modified bitumen based on thermoplastic polyurethanes (TPU)

Gallu, Raïssa; Méchin, Françoise; Dalmas, Florent; Gérard, Jean‐François; Perrin, Rémi; Loup, Frédéric

doi:10.1016/j.conbuildmat.2020.120404

Cited by 45 publications

(17 citation statements)

References 60 publications

(73 reference statements)

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“…Indeed, in a previous work, we showed that increasing the TPU hard segment content led to a decrease in the polymer swelling in the bitumen [42] (see supporting information Figure S 3) which can now be related to the increased incompatibility coming from the hard segment.…”

Section: Bitumen -Tpusupporting

confidence: 53%

“…In a previous study, we have shown the interest of thermoplastic polyurethane (TPU) as a new polymer additive in polymer-modified bitumen [32]. TPU is basically composed of three components: a polyol, a diisocyanate, and a chain extender (low molar mass diol) [33][34][35].…”

Section: Introductionmentioning

confidence: 99%

“…It is well documented that asphaltenes are not involved in the compatibilization mechanism of conventional polymer additives in a bitumen [13]. In fact, as the formulation leads to a biphasic material, where the maltenes swell the polymer, the asphaltenes remain apart [32].…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Investigating compatibility between TPU and bitumen SARA fractions by means of Hansen solubility parameters and interfacial tension measurements

Gallu

Méchin

Dalmas

et al. 2021

Construction and Building Materials

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Section: Bitumen -Tpusupporting

confidence: 53%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Investigating compatibility between TPU and bitumen SARA fractions by means of Hansen solubility parameters and interfacial tension measurements

Gallu

Méchin

Dalmas

et al. 2021

Construction and Building Materials

Self Cite

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“…In [3], a new type of polymer-modified bitumen is proposed, which considers the use of thermoplastic polyurethane as an alternative to styrene-butadiene-styrene (SBS) polymers. The authors found that this additive has poor compatibility with bitumen.…”

Section: Literature Review and Problem Statementmentioning

confidence: 99%

“…After studying the works [1][2][3][4][5][6][7][8][9][10][11][12], it was found that the modification of bitumens with both known and new modifiers and their compositions can change the properties of binders. However, it should be noted that today the best option for modifying viscous road bitumens are thermoelastoplastic and thermoplastic polymers, which have long proven themselves in the world markets of road bitumen modifiers.…”

Section: Literature Review and Problem Statementmentioning

confidence: 99%

An investigation of the effect of thermoplastic additives in asphalt concrete mixtures on the properties of different types of asphalt concrete

Zhdaniuk

Volovyk

Kostin

et al. 2021

EEJET

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The effect of modification of asphalt concrete mixtures of different grain sizes with “Ric-Polycell” (Ukraine) and “Duroflex®-SMA” thermoplastic polymers (Germany), which were added directly to the asphalt mixer during their preparation, on the properties of asphalt concrete was studied. It is confirmed that it is more expedient to use stone mastic asphalt concretes with a larger size of mineral crushed stone grains on high-traffic roads, as they are more rutting-resistant compared to asphalt concretes with smaller size and content of crushed stone grains. The effect of the temperature of preparation and thermostating of asphalt concrete mixtures modified with the investigated thermoplastics on the compressive strength of asphalt concrete at a temperature of 50 °С, which were made of the studied mixtures, was investigated. It was found that the maximum possible temperatures of preparation and thermostating of asphalt concrete mixes provide a more complete modification. The effect of the content of thermoplastic polymers in the composition of asphalt concrete mixtures on the properties and rutting resistance of fine-grained asphalt concrete, as well as stone mastic asphalt concrete, was studied. It was found that adding the “Ric-Polycell” polymer in the amount of 1.5 % and 3 % by weight of bitumen in the composition of the studied asphalt mixtures in the asphalt mixer during their preparation increases the rutting resistance of asphalt concrete under the studied conditions by 2.52–3.86 times. Modification of asphalt concrete mixtures with the “Duroflex®-SMA” additive in the amount of 0.3 % and 0.6 % by weight of the aggregate by a similar technology also allows increasing the rutting resistance of the obtained asphalt concrete by 1.86–3.16 times. Using these modifiers in the future will have a positive effect on the service life of the entire pavement structure

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High‐performance atactic polypropylene modified bitumen blends fabricated via conventional, hot, and in‐situ blending techniques

Gill

Usman

Rahim

et al. 2022

J of Applied Polymer Sci

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This research presents an investigation on the incorporation of atactic polypropylene (APP) as a modifier in bitumen at weight concentrations from 0 to 30 wt%. An APP-modified bitumen (APPMB) was prepared by conventional, hot, and in situ blending and characterized for mechanical, morphological, thermal, structural, and physical properties. APPMB specimens using maleic anhydride (MA) functionalized polymer at its optimized concentration of 20 weight percentage (wt%), along at several other concentrations, were pre-

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Rheology-morphology relationships of new polymer-modified bitumen based on thermoplastic polyurethanes (TPU)

Cited by 45 publications

References 60 publications

Investigating compatibility between TPU and bitumen SARA fractions by means of Hansen solubility parameters and interfacial tension measurements

Investigating compatibility between TPU and bitumen SARA fractions by means of Hansen solubility parameters and interfacial tension measurements

An investigation of the effect of thermoplastic additives in asphalt concrete mixtures on the properties of different types of asphalt concrete

High‐performance atactic polypropylene modified bitumen blends fabricated via conventional, hot, and in‐situ blending techniques

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