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Pp g ma

Manufactured by Merck Group
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PP-g-MA is a laboratory equipment product manufactured by Merck Group. It is a functionalized polypropylene material designed for use in various laboratory applications. The core function of PP-g-MA is to provide a modified polymer with enhanced properties, but a detailed description while maintaining an unbiased and factual approach cannot be provided.

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Lab products found in correlation

Maleic anhydride, by Merck Group (2 mentions) Tetrahydrofuran thf, by Merck Group (1 mentions) Chloroform chcl3, by Merck Group (1 mentions) Hydrochloric acid (hcl), by Merck Group (1 mentions) Aptes, by Merck Group (1 mentions) Hdtms, by Merck Group (1 mentions) Pfotes, by Merck Group (1 mentions) Dimethyl sulfoxide (dmso), by Merck Group (1 mentions) Irgacure 2959, by Merck Group (1 mentions) Vl 4 lc, by Vilber (1 mentions)

6 protocols using pp g ma

1

Polypropylene-grafted maleic anhydride synthesis

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Polypropylene-grafted maleic anhydride (PPgMA, average Mn 3900 g/mol, average Mw 9100 g/mol, and 8–10 wt. % maleic anhydride) was purchased from Sigma Aldrich (Munich, Germany).
Polypropylene-grafted maleic anhydride with higher molecular weight produced by Exxon Mobil USA (PPgMASB, Mn 50–100 kg/mol, and 0.5–1 wt. % maleic anhydride) was kindly supplied by SABIC (Geleen, The Netherlands). Analytical-grade furfurylamine (FFA, >99%) was purchased from Sigma Aldrich (Munich, Germany) and was freshly distilled before the experiment. Analytical-grade 1,1′-(methylenedi-4,1-phenylene) bismaleimide (BM, 95%), tetrahydrofuran (THF, >99.9%), and chloroform (CHCl3, >99%) were purchased from Sigma Aldrich (Munich, Germany). 1–2 dichlorobenzene (DCB, >99%) was purchased from Fluka (Landsmeer, The Netherlands). Antioxidant AOB225 (CAS Number 9421-57-8) was kindly supplied by SABIC (Geleen, The Netherlands).
Muljana H., Arends S., Remerie K., Boven G., Picchioni F, & Bose R.K. (2022). Cross-Linking of Polypropylene via the Diels–Alder Reaction. Polymers, 14(6), 1176.
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2

Composite Coatings for Aircraft Structures

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CFR panels with a size
of 7.5 × 2.5 × 0.1 cm3 have been used as substrates.
CFR panels are commonly used as structural materials in the manufacturing
of aircraft and their components. The hemp fabric rugs were supplied
by MAEKO S.r.l. (Milan, Italy). Sodium metasilicate (Na2SiO3, waterglass), APTES (>98%), hydrochloric acid
(37
wt %), PPgMA with 8–10 wt % maleic anhydride content and an
average Mw ∼ 9100 by gel permeation
chromatography (GPC), HDTMS (>85%), and PFOTES (98%) were purchased
from Sigma-Aldrich (Merck KGaA, Darmstadt, Germany). A two-component
epoxy resin system (SX10), consisting of a modified diglycidyl ether
of bisphenol-A (DGEBA) resin and isophorone diamine (IDA), a cycloaliphatic
diamine hardener, purchased from MATES S.r.l. (Milan, Italy), was
used for the preparation of the polymer matrix in the composite coatings.
Passaro J., Bifulco A., Calabrese E., Imparato C., Raimondo M., Pantani R., Aronne A, & Guadagno L. (2023). Hybrid Hemp Particles as Functional Fillers for the Manufacturing of Hydrophobic and Anti-icing Epoxy Composite Coatings. ACS Omega, 8(26), 23596-23606.
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3

Polymer Nanocomposite Development

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A homopolymer PP (Moplen HP500N supplied by Lyondellbasell, Rotterdam, The Netherlands) with MFR of 12 g/10 min (230 °C/2.16 kg) was used as the matrix. A PP grafted with maleic anhydride (0.6 wt.%, supplied by Sigma-Aldrich (Darmstadt, Germany), hereinafter named PP-g-MA) was used as a compatibilizer. Layered double hydroxides (LDHs) modified with oleate groups (o-LDHs, [Mg0.66Al0.34(OH)2](C18H33O2)0.34 × H2O, D50 = 3.78 µm, D90 = 10.83 µm t) were supplied by Prolabin&Tefarm (Perugia, Italy).
Bernagozzi G., Arrigo R, & Frache A. (2023). Evolution of the Microstructure of PP-LDHs Nanocomposites during Melt Compounding: A Simulation Approach. Polymers, 16(1), 70.
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4

Synthesis and Functionalization of Mullite Fibers

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Aluminum nitrate nonahydrate,
aluminum isopropoxide, tetraethoxyorthosilicate (TEOS), aminopropyltriethoxysilane
(APTES), PP-g-MA (Mw ∼
9100 and maleic anhydride grafting % of 8–10), and solvents
(ethanol and o-xylene) were procured from Sigma-Aldrich
and were used directly without further purification. Isotactic PP
(HD915CF) was received from Abu Dhabi Polymers (Borouge), UAE. The
synthesis of mullite fibers was performed as per the reported literature.14 (link),27 (link) The mullite fibers were amine-functionalized using APTES to achieve
AMNF, as reported earlier.27 (link)
Varghese A.M., Rangaraj V.M., Luckachan G, & Mittal V. (2020). UV Aging Behavior of Functionalized Mullite Nanofiber-Reinforced Polypropylene. ACS Omega, 5(42), 27083-27093.
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5

Hydrogel Synthesis and Purification

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Pre-gelled solutions were prepared by mixing 10 wt % PEGDA-575, which has a hydrophilic property and poly(propylene glycol) methacrylate (PPGMA, Mn of 375 g/mol, Sigma), acting hydrophobic chain, by increasing of mass fraction under fixed total polymer concentration, 10 wt %. The PEGDA was dissolved in DI water at 40 wt % stock solution, and PPGMA was dissolved in dimethyl sulfoxide (DMSO, Sigma, Peabody, MA, USA) at 20 wt % stock solution. The photo-initiator, 2-hydroxy-4′-(2-hydroxyethoxy)-2-methylpropiophenone (Irgacure 2959, Sigma) was dissolved in DMSO at 10 wt % stock solution and added to the 1 mL pre-gelled solution to form 0.2 wt % as the final concentration. First, the 1 mL of pre-gelled solution mixed by vortex mixer. Second the mixed pre-gelled solution was cast between glass plates with spacer of 1 mm of thickness. Then, the cast pre-gelled solution was exposed by UV lamp (365 nm, VL-4.LC, VILBER LOURMAT, France) for gelation about 10 min, after then, the gel was punched with 8 mm diameter. Gel disks were immersed in DI water to remove unreacted hydrophilic residuals and then, subsequently immersed in DMSO to residual hydrophobic polymers in the cross-linked gel disk. Finally, gel disk was immerged to exchange DMSO to DI water and further incubated in DI water for 24 h before characterizations described below.
Kim H.J., Cho S., Oh S.J., Shin S.G., Ryu H.W, & Jeong J.H. (2019). Tuning the Hydrophobicity of a Hydrogel Using Self-Assembled Domains of Polymer Cross-Linkers. Materials, 12(10), 1635.
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6

Polypropylene Composites with Functionalized Graphene Nanoplates

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A polypropylene copolymer, Icorene CO14RM s from ICO POLYMERS, with a melt flow index of 13.1 g/10 min (190 1C, 2.16 kg) and a density of 0.9 g cm À3 was used as a polymer matrix. PP-g-MA containing 8-10 wt% of maleic anhydride, with a weight-average molecular mass (M w ) of approximately 9.1 kg mol À1 and a density of 0.934 g cm À3 was supplied by Sigma-Aldrich. According to the manufacturer (XG Sciences, Inc.), graphite nanoplates xGnP s grade C-750 has a thickness of approximately 2 nm, an average diameter of less than 2 mm and a typical average surface area of 750 m 2 g À1 . They were supplied in powder form, and the powder particle projected area was assessed by dilution of the powder in an epoxy resin, spreading on glass slides and measuring by optical microscopy. The flakes of the two fillers (GnP and fGnP-PP) generate agglomerates whose particle size distribution is revealed in Fig. 1. It was computed from the analysis of at least 70 images of each, with a total measured area of agglomerates of 6.7 Â 10 5 and 4.9 Â 10 5 mm 2 for as-received and fGnP-PP, respectively. While the larger agglomerate (maximum agglomerate area) was in the range of 2.5-3.0 Â 10 4 mm 2 , the average agglomerate size was 1.1 Â 10 4 and 7.2 Â 10 3 mm 2 for the as-received and functionalized GnP, respectively.
Santos R.M., Vilaverde C., Cunha E., Paiva M.C, & Covas J.A. (2016). Probing dispersion and re-agglomeration phenomena upon melt-mixing of polymer-functionalized graphite nanoplates. Soft matter, 12(1).
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