Starch-Urethane Polymers: Physicochemical Aspects, Properties, Application

Spychaj, Tadeusz; Wilpiszewska, Katarzyna; Spychaj, Stanisława

doi:10.3139/9783446442504.005

Cited by 9 publications

(12 citation statements)

References 14 publications

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“…In the case of AAP fillers, the g values depended on P 2 O 5 and NH 3 content in the analyzed phosphates. The comparison of AAP1 and AAP2 (similar P 2 O 5 and Al content, various NH 3 content) showed that a lower amount of NH 3 Upgraded anticorrosion efficiency recorded for basic and acidic extracts of phosphate fillers (e.g., zinc phosphate, zinc AP, zinc iron phosphate) in comparison to a neutral extract has been explained in literature by higher water solubility of P-based components at low and high pH values.…”

Section: Phosphate Fillersmentioning

confidence: 99%

“…-Mica/quartz mixture, specific gravity 2.75 g/cm 3 , oil absorption 35 g/100 g (Aspolit F40, Aspanger Bergbau & Mineralwerke GmbH, Austria); -Titanium dioxide (TiO 2 ), specific gravity 4.1 g/cm 3 , oil absorption 21 g/100 g (Tytanpol R001, Z.Ch. Police S.A., Poland); -Wollastonite treated with alkylsilane, specific gravity 2.85 g/cm 3 , oil absorption 40 g/100 g (Tremin 939-300 FST, Quarzwerke GmbH, Germany); -Talc, specific gravity 2.75 g/cm 3 , oil absorption 49 g/ 100 g (Finntalc M03-SQ, Mondo Minerals OY, Finland); -Xylene (90 wt%) and butyl acetate (10 wt%) mixture as a solvent (POCh S.A., Poland); -Wetting/dispersing additive based on unsaturated polycarboxylic acid polymer (BYK-P 104S, BYKChemie GmbH, Germany);…”

Section: Commercial Materialsmentioning

confidence: 99%

“…Police S.A., Poland); -Wollastonite treated with alkylsilane, specific gravity 2.85 g/cm 3 , oil absorption 40 g/100 g (Tremin 939-300 FST, Quarzwerke GmbH, Germany); -Talc, specific gravity 2.75 g/cm 3 , oil absorption 49 g/ 100 g (Finntalc M03-SQ, Mondo Minerals OY, Finland); -Xylene (90 wt%) and butyl acetate (10 wt%) mixture as a solvent (POCh S.A., Poland); -Wetting/dispersing additive based on unsaturated polycarboxylic acid polymer (BYK-P 104S, BYKChemie GmbH, Germany);…”

Section: Commercial Materialsmentioning

confidence: 99%

“…Thus, solventborne, low-VOC, and water-thinnable coating compositions are usually filled with borates (i.e., zinc borate, barium metaborate), molybdates (basic zinc molybdate, basic calcium zinc molybdate), calcium-exchange silica, or phosphites as well as with various types of phosphate powders. [1][2][3] Phosphomolybdates, phosphovanadates, phosphosilicates, phosphates, and hydroxyphosphates of Al, Ca, Fe(III), Ba, and/or Mg were successfully applied in anticorrosion coats, 1,4,5 but the best rust inhibiting properties were observed for paints with zinc-based phosphates. 1,[6][7][8][9] Nevertheless, a few papers reported a detrimental influence of zinc phosphate on the natural environment 10 , and paints containing that filler have to be labeled as very toxic to aquatic life (pictogram GHS09).…”

Section: Introductionmentioning

confidence: 99%

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Preparation and characterization of anticorrosion polyurethane paints and coatings based on novel Zn-free phosphates

2014

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Novel aluminum ammonium phosphates (AAP) were tested as anticorrosion fillers in twocomponent solventborne polyurethane paints. Their properties were compared with microsized aluminum zinc phosphate (AZP) as well as with nanosized (nAP) and microsized (AP) aluminum phosphates. Generally, coating compositions containing AAP exhibited similar or slightly higher viscosity than the systems with AZP and AP. Moreover, cured polyurethane coats with AAP reached higher gloss and better adhesion to a steel substrate. The results of salt spray tests (2500 h) showed that anticorrosive properties of coats containing 10 wt% of AAP were similar or better than those noted for coats with 15.6 wt% of AZP or 13.7 wt% of AP. Electrochemical impedance spectroscopic tests revealed markedly higher barrier properties of coats with AAP in comparison to an AP-based sample.

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Section: Phosphate Fillersmentioning

confidence: 99%

Section: Commercial Materialsmentioning

confidence: 99%

Section: Commercial Materialsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Preparation and characterization of anticorrosion polyurethane paints and coatings based on novel Zn-free phosphates

2014

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“…The hydrophilic-lipophilic balance value (HLB) was calculated according to the following formula 4,5,13 :…”

Section: Methodsmentioning

confidence: 99%

The influence of organic diluents and solvents on the stability of PVC plastisol water dispersions

Makarewicz

́czak

2007

Polish Journal of Chemical Technology

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The work presents the research, the aim of which is to specify the influence of organic diluents and solvents such as xylene, toluene, n-butyl acetate and butanol as well as cyclohexanone on the stability of water dispersions of the PVC plastisol containing various surface-active agents (SAA). The applied surfactants were characterised by a specific ethoxylation number, molecular mass, the Hildebrand parameter, hydrophilichydrophobic balance, surface activity, the limiting viscosity number, the Haller interaction constant, the limiting equivalent conductivity and the Kohlrausch-Onsager equation "b" constant. Basing on the molar refraction and the Hildebrand parameter, the interactions between the plastisol constituents and the constituents of water dispersions of the PVC plastisol were established. The sedimentation tests on the PVC plastisol water dispersions stabilized by various surface-active agents with an organic diluent or solvent added indicated that the addition resulted in the dispergation yield, a reduction in the PVC plastisol molecular size in water dispersion and the increased Huggins interaction constant, showing both surface lyophilisation and higher adsorption of surface-active agents.

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Aminolytic depolymerization of poly (ethylene terephthalate) bottle waste by conventional and microwave irradiation heating

Parab

Pingale

Shukla

2011

J of Applied Polymer Sci

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Poly (ethylene terephthalate) (PET) is the most popular thermoplastic polymer. The ever-growing production and utilization of PET has led to postconsumer waste disposal problems because of its nonbiodegradability. The chemical depolymerization of PET waste is a possible remedy, as it results in some recyclable products. The aminolytic depolymerization of PET bottle waste with hydrazine monohydrate by conventional and nonconventional (with microwave irradiation) heating was carried out with simple chemicals as catalysts, such as sodium acetate and sodium sulfate. The yield of the product was optimized through variations in the time of aminolysis, the catalyst concentration, and the PET:hydrazine monohydrate ratio. The pure product obtained in good yield (86%) was analyzed by Fourier transform infrared spectroscopy, NMR, and differential scanning calorimetry and was identified as terephthalic dihydrazide.

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Starch-Urethane Polymers: Physicochemical Aspects, Properties, Application

Cited by 9 publications

References 14 publications

Preparation and characterization of anticorrosion polyurethane paints and coatings based on novel Zn-free phosphates

Preparation and characterization of anticorrosion polyurethane paints and coatings based on novel Zn-free phosphates

The influence of organic diluents and solvents on the stability of PVC plastisol water dispersions

Aminolytic depolymerization of poly (ethylene terephthalate) bottle waste by conventional and microwave irradiation heating

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