Isotactic polypropylene modified with sorbitol-based derivative and siloxane-silsesquioxane resin

Dobrzyńska‐Mizera, Monika; Dutkiewicz, Michał; Sterzyński, Tomasz; Lorenzo, Maria Laura Di

doi:10.1016/j.eurpolymj.2016.09.049

Cited by 28 publications

(32 citation statements)

References 32 publications

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“…The aggregates of the SiOPh in the PP composites were already observed and reported by Dobrzyńska‐Mizera et al . . They resulted from poor adhesion between the polymer and filler.…”

Section: Resultsmentioning

confidence: 99%

“…Similar results were reported by Dobrzyńska‐Mizera et al . in the case of the PP matrix composites which contained the SiOPh. Small shifts towards lower angles, in the positions of the Bragg reflections, may be related to a small increase in the distance between the lattice plane, and thus a slight decrease in the density of crystals of the polymer .…”

Section: Resultsmentioning

confidence: 99%

“…Siloxane‐silsesquioxane resins are relatively new materials. The number of studies published on the synthesis, characterization and possible applications of these compounds are limited . There are few literature data which cover the composite materials with siloxane‐silsesquioxane resins as fillers.…”

Section: Introductionmentioning

confidence: 99%

“…Dobrzyńska‐Mizera et al . reported PP‐based composites which contained a phenyl‐functionalized siloxane‐silsesquioxane resin (SiOPh) and sorbitol derivatives. It was indicated in those studies that the SiOPh resin allowed to adjust the nucleation effectiveness of the sorbitol derivatives and the crystallization of PP due to the influence of SiOPh on the formation of the sorbitol fibrillar network.…”

Section: Introductionmentioning

confidence: 99%

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Functionalized siloxane‐silsesquioxane resins and polypropylene‐based composites: Morphological, structural, thermal, and mechanical properties

et al. 2018

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Non‐functionalized and n‐alkyl‐functionalized siloxane‐silsesquioxane resins (S4SQ) were synthesized and characterized to confirm their structure and properties. Polypropylene (PP) composites with S4SQ resins as fillers were prepared by the melt blending. The influence of the kinds and amounts of fillers on the structural, morphological and thermal properties as well as mechanical characteristics and processability was determined. High compatibility of composites with functionalized resins resulted in more homogenous dispersion of filler particles in comparison with the composites which contained a non‐functionalized resin. Moreover, the introduction of S4SQ resins into PP strongly affected the crystalline structure of the polymer matrix and the free‐volume properties of composites. Siloxane‐silsesquioxane resins changed the contributions of the α‐ and β‐crystalline phases and they increased the crystal sizes of PP. The PP/S4SQ composites were also characterized by the improved crystallization temperature and crystallinity degree while the melting temperature and processability were changed only slightly. The mechanical properties of the PP/S4SQ materials were found to be dependent mostly on the degree of filler dispersion and crystalline structure of the composite materials. POLYM. COMPOS., 40:3101–3114, 2019. © 2018 Society of Plastics Engineers

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“…The aggregates of the SiOPh in the PP composites were already observed and reported by Dobrzyńska‐Mizera et al . . They resulted from poor adhesion between the polymer and filler.…”

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Functionalized siloxane‐silsesquioxane resins and polypropylene‐based composites: Morphological, structural, thermal, and mechanical properties

et al. 2018

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“…Silsesquioxanes are widely used as components for the preparation of such materials [1][2][3][4][5][6][7][8][9][10]. Commonly reactive, functionalized polyhedral oligomeric silsesquioxanes of well-defined, 3D structure, bearing one or more functional groups were applied for this purpose [11][12][13][14][15][16].…”

Section: Introductionmentioning

confidence: 99%

Polyurethane composites based on silsesquioxane derivatives of different structures

Szołyga

Dutkiewicz

Marciniec

2018

J Therm Anal Calorim

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A series of siloxane-silsesquioxane resins with Q 8 structures, as network nodes containing reactive Si-H groups in the siloxane backbone, connecting silsesquioxane moieties, were prepared in a hydrolytic condensation process and successfully functionalized by hydrosilylation of allyl alcohol. The proposed material being an alternative to the well-defined silsesquioxanes has been characterized and used for preparation of a series of polyurethane (PU)-based composites by simple reaction of 3-hydroxypropyl groups of siloxane-silsesquioxane resin with 1,6-diisocyanatohexane and subsequently with 1,6-hexanediol to get polyurethane composite. A series of composites based on PU and octakis(3-hydroxypropyldimethylsiloxy)octasilsesquioxane were prepared in the same manner to investigate the influence of the filler amount (1, 3 or 5%) and its structure on thermal properties of the obtained materials.

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Polymer Crystallization

Lorenzo

Rhoades

Androsch

2022

Thermal Analysis of Polymeric Materials

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Isotactic polypropylene modified with sorbitol-based derivative and siloxane-silsesquioxane resin

Cited by 28 publications

References 32 publications

Functionalized siloxane‐silsesquioxane resins and polypropylene‐based composites: Morphological, structural, thermal, and mechanical properties

Functionalized siloxane‐silsesquioxane resins and polypropylene‐based composites: Morphological, structural, thermal, and mechanical properties

Polyurethane composites based on silsesquioxane derivatives of different structures

Polymer Crystallization

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