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    Polyacrylamide (PAM, Mw 10,000) is a low molecular weight nonionic water-soluble polymer used as an additive in CMP slurries, various printing applicatons, and as a flocculant in water treatment. 50% solution in water (packaging size denotes weight of solution). Properties. Appearance: Viscous Liquid. Glass Transition Temperature, Tg (ºC): 165º.

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    1992-10-5 · The corresponding refractive index increment at constant chemical potential (6n/6c), is 0.1464. HUNKELER, WU, AND HAMIELEC 0.14 - 20 HYDROLYSIS DEGREE Figure 3 Refractive index increment at constant chemical potential as a function of the acrylate level in a polyacrylamide …

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    1992-10-5 · The validity of the specific refractive index increment at constant chemical potential is established through light‐scattering measurements of the weight‐average chain length of the hydrolyzed polyacrylamides. These were then compared with the chain lengths of the parent nonionic polymers from which they were derived.

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    1988-8-1 · The adsorption of nonionic polyacrylamide on sodium nontomorillonite is studied using different molecular weight macromolecules (mol wt = 4.40 × 10 4, 1.20 × 10 5, 3.70 × 10 5, 3 × 10 6), with the monomeric unit represented by the isobutyramide molecule.All of the adsorption runs are completed by turbidimetric, electrokinetic, X-ray scattering, and calorimetric data.

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    1988-8-1 · The adsorption of nonionic polyacrylamide on sodium nontomorillonite is studied using different molecular weight macromolecules (mol wt = 4.40 × 10 4, 1.20 × 10 5, 3.70 × 10 5, 3 × 10 6), with the monomeric unit represented by the isobutyramide molecule.All of the adsorption runs are completed by turbidimetric, electrokinetic, X-ray scattering, and calorimetric data.

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    1992-10-5 · The validity of the specific refractive index increment at constant chemical potential is established through light‐scattering measurements of the weight‐average chain length of the hydrolyzed polyacrylamides. These were then compared with the chain lengths of the parent nonionic polymers from which they were derived.

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    Polyacrylamide (PAM, Mw 10,000) is a low molecular weight nonionic water-soluble polymer used as an additive in CMP slurries, various printing applicatons, and as a flocculant in water treatment. 50% solution in water (packaging size denotes weight of solution). Properties. Appearance: Viscous Liquid. Glass Transition Temperature, Tg (ºC): 165º.

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    2015-11-23 · The production of grain alcohol wastewater, papermaking wastewater, urban sewage treatment plant wastewater, brewery wastewater, monosodium glutamate wastewater, sugar wastewater, organic wastewater, high content of feed wastewater, textile printing and dyeing wastewater, cationic polyacrylamide to than with anionic, nonionic poly propylene amide or the effect of inorganic salts to …

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    2004-3-1 · Nonionic polyethylene oxide (PEO) and anionic polyacrylamide (PAM) flocculation of kaolinite dispersions has been investigated at pH 7.5 in the temperature range 20–60 °C.The surface chemistry (zeta potential), particle interactions (shear yield stress), and dewatering behavior were also examined.

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    1994-3-1 · This article is cited by 25 publications. Ram Singh, Suvarcha Chauhan, and Kundan Sharma. Surface Tension, Viscosity, and Refractive Index of Sodium Dodecyl Sulfate (SDS) in Aqueous Solution Containing Poly(ethylene glycol) (PEG), Poly(vinyl pyrrolidone) (PVP), and Their Blends.

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    The specific refractive index increments of the polymers investigated was determined using a Chromatix KMX-16 laser refractometer. The instrument operation, as well as data collection and processing was accomplished using the combination of a Nelson Analytical Model 761 A/D converter and an …

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  • DETERMINATION OF NON-IONIC AND PARTIALLY

    2015-11-23 · The production of grain alcohol wastewater, papermaking wastewater, urban sewage treatment plant wastewater, brewery wastewater, monosodium glutamate wastewater, sugar wastewater, organic wastewater, high content of feed wastewater, textile printing and dyeing wastewater, cationic polyacrylamide to than with anionic, nonionic poly propylene amide or the effect of inorganic salts to …

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    In one procedure, a differential refractive index (DRI) detector was used to procedure, a differential refractive index (DRI) detector was used to measure the concentration of xanthan polysaccharide purified by SEC. ... Detectability of this procedure was found to be good, but was determined for only one nonionic polyacrylamide sample.

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    1994-3-1 · This article is cited by 25 publications. Ram Singh, Suvarcha Chauhan, and Kundan Sharma. Surface Tension, Viscosity, and Refractive Index of Sodium Dodecyl Sulfate (SDS) in Aqueous Solution Containing Poly(ethylene glycol) (PEG), Poly(vinyl pyrrolidone) (PVP), and Their Blends.

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    Water-soluble polymer in a white, free flowing powder. Used to impart viscosity to and modify flow of aqueous solutions. See poly (ethylene glycol) for lower molecular weight analogs. Poly (ethylene glycol) has a broad molecular weight distribution ranging from~ 0.5x to 1.5x the values shown. View Product.

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    Triton™ X-100 reduced; CAS Number: 92046-34-9; Synonyms: Polyoxyethylene (10) isooctylcyclohexyl ether; Linear Formula: 4-(C8H17)C6H10(OCH2CH2)nOH, n~10; find Sigma-Aldrich-282103 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich

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    Jaroslav Stejskal and Jitka Horská, Refractive index increments of polyacrylamide and comments on the light scattering from its solutions, Die Makromolekulare …

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    Refractive index at 25℃: 1.440-1.450 Freezing point: <2℃ Viscosity at 25℃ (77℉): 20-60CST Surface tension (0.1% aq.): 20-22mN/m. Stability: SilibaseAG-2848 Nonionic Surfactant can be stable in neutral aqueous solution (PH value of 6.5~7.5) for a long time.

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    In one procedure, a differential refractive index (DRI) detector was used to procedure, a differential refractive index (DRI) detector was used to measure the concentration of xanthan polysaccharide purified by SEC. ... Detectability of this procedure was found to be good, but was determined for only one nonionic polyacrylamide sample.

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    Nonionic surfactants (e.g. alkylphenolethoxylates) have been extracted from sediments with 27.5% methanol-modified CO 2 (450 bar and 100°C). Water-modified CO 2 (350 bar and 80°C) was also efficient in extracting nonylphenol polyethoxylates from dried sewage sludge, yielding recoveries higher than traditional techniques.

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    1994-3-1 · This article is cited by 25 publications. Ram Singh, Suvarcha Chauhan, and Kundan Sharma. Surface Tension, Viscosity, and Refractive Index of Sodium Dodecyl Sulfate (SDS) in Aqueous Solution Containing Poly(ethylene glycol) (PEG), Poly(vinyl pyrrolidone) (PVP), and Their Blends.

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    2016-1-15 · In this study, frit inlet asymmetrical flow field-flow fractionation (FlFFF) with multi-angle light scattering (MALS) and differential refractive index (DRI) detection is utilized for size separation, determination of molecular weight (MW), and conformation of ultrahigh-MW (10 7 –10 9 g/mol) cationic polyacrylamides (C-PAMs), a class of water-soluble copolymers based on acrylamide and vinyl ...

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    2014-10-17 · Poly(acrylamides) (PAMs) with various anionic and cationic charge densities from −1.64 to +0.98 meq/g but similar molecular weights were synthesized through radical polymerization. One of the aqueous PAM solutions and an aqueous dispersion of 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO)-oxidized cellulose nanofibril (TOCN) were mixed at various PAM/TOCN weight ratios, and self …

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    2015-11-30 · The synthesis and basic properties of 2-ethylhexanol based innovative nonionic surfactants are described in this paper. 2-Ethylhexanol as an available and relatively inexpensive raw material was used as the hydrophobe source modified by propoxylation and followed by polyethoxylation. As the result, six series of 2-ethylhexyl alcohol polyalkoxylates (EHP m E n ) were obtained with three steps ...

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    2021-6-19 · polyacrylamide acrylamide polymer with oil exploitation treatment chemical. a aa aaa aaaa aaacn aaah aaai aaas - MIT. acrs acrylamide acrylate acrylic acrylics acrylonitrile acs acsm act acta acte acted actel actes actg acth acti actin acting actinic actinopterygii action actionable actionaid actionevent actionperformed actions actionsc...

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    Triton X-100 reduced, a nonionic surfactant which has a hydrophilic polyethylene oxide chain, is a common laboratory detergent used for applications such as cell lysis and membrane permeabilization as a component of lysis buffers. Triton X-100 is used for the isolation of lipid rafts.

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    Water-soluble polymer in a white, free flowing powder. Used to impart viscosity to and modify flow of aqueous solutions. See poly (ethylene glycol) for lower molecular weight analogs. Poly (ethylene glycol) has a broad molecular weight distribution ranging from~ 0.5x to 1.5x the values shown. View Product.

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    Jaroslav Stejskal and Jitka Horská, Refractive index increments of polyacrylamide and comments on the light scattering from its solutions, Die Makromolekulare …

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    2015-11-30 · The synthesis and basic properties of 2-ethylhexanol based innovative nonionic surfactants are described in this paper. 2-Ethylhexanol as an available and relatively inexpensive raw material was used as the hydrophobe source modified by propoxylation and followed by polyethoxylation. As the result, six series of 2-ethylhexyl alcohol polyalkoxylates (EHP m E n ) were obtained with three steps ...

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    2014-2-23 · The interaction between hydrophobically associating polyacrylamide (HAPAM) and dodecyl dimethyl betaine (BS-12) is studied through surface tension, interfacial tension (IFT), apparent viscosity, aggregation behavior, and microscopic morphologies. Results show that surface and interface properties of BS-12 are largely affected by HAPAM. BS-12 critical micelle concentrations are increased with ...

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    2015-11-30 · Refractive Index and Hydroxyl Number . The refractive index (Rf) was determined for the studied series of products to investigate their sensitivity towards the average polyaddition degree and homologue distribution. Values were determined at 60 °C, where all of the investigated samples were liquid (Table 1). Values of Rf index increase with ...

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    1 Metric Ton (Min. Order) Anionic Polyacrylamide APAM in china factory with CAS # 9003-05-08 1. Product Specification For Polyacrylamide: Appearance: white to light brown liquid Solubility easily soluble in water and starch paste Appearance Light brown emulsion Solid content % 30±1 ionicity Cationic Viscosity < 50mPa. s ( 25°C) PH value 3.0± ...

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    2015-11-30 · Refractive Index and Hydroxyl Number. The refractive index (Rf) was determined for the studied series of products to investigate their sensitivity towards the average polyaddition degree and homologue distribution. Values were determined at 60 °C, where all of the investigated samples were liquid (Table 1). Values of Rf index increase with the ...

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    Water-soluble polymer in a white, free flowing powder. Used to impart viscosity to and modify flow of aqueous solutions. See poly (ethylene glycol) for lower molecular weight analogs. Poly (ethylene glycol) has a broad molecular weight distribution ranging from~ 0.5x to 1.5x the values shown. View Product.

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    Triton™ X-100 reduced; CAS Number: 92046-34-9; Synonyms: Polyoxyethylene (10) isooctylcyclohexyl ether; Linear Formula: 4-(C8H17)C6H10(OCH2CH2)nOH, n~10; find Sigma-Aldrich-282103 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich

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    Jaroslav Stejskal and Jitka Horská, Refractive index increments of polyacrylamide and comments on the light scattering from its solutions, Die Makromolekulare …

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    2021-6-19 · Paraffin Wax Buyers, Importers, Business Inquiries, Buying Leads | Tra.... Candle Crystalline Index and 56/58 58/60 60/62 62/64 64/66 Melting Point pure paraffin wax candle Hi, I would like to know the price for 58/60 Paraffin Wax for Making Pure Paraffin Wax Candle.

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    A spherical polymer particle in the colloidal size range, latext microsphere are formed from amorphous polymer (usually polystyrene). The average molecular weight of the polymer chains in the particle is about 1x106g for particles with diameter <100 nm and drops to about 2.4x105g for larger particles. A polystyrene chain is a linear hydrocarbon chain with a benzene ring attached to every ...

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    2016-3-14 · The water-soluble polyacrylamide (PAM) can accumulate in ecosystems and cause serious environmental pollution. Biological approach achieves poor PAM degradation efficiency, due to the extreme resistance of PAM to the microbial metabolism. In the present work, the potential of bioelectrochemical system (BES) as an effective tool to degrade the PAM is adequately evaluated.

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    Triton™ X-100 reduced; CAS Number: 92046-34-9; Synonyms: Polyoxyethylene (10) isooctylcyclohexyl ether; Linear Formula: 4-(C8H17)C6H10(OCH2CH2)nOH, n~10; find Sigma-Aldrich-282103 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich

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    2019-1-24 · the refractive index (RI) are widely used as they allow the optical label-free detection of nonionic, transparent in the UV/vis range, or non-fluorescent molecules [2]. For their design, different photonic structures have been developed. Most of them are based on the interaction of the evanescent optical field with the analyte [3].

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    2021-3-12 · The study deals with the synthesis and characterization of the hydrophobically modified polyacrylamide (HMPA) copolymer and its functional property evaluation in mixed polymer-gemini surfactant systems for application in enhanced oil recovery (EOR). The copolymer was initially prepared in the laboratory using acrylamide and N-phenylacrylamide monomer units via an addition …

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    Specification Color Colorless Appearance Clear Liquid Colour in APHA10.00 Max pH value5.5-7.5 Purity GC 99.5 Min Water content- KF method 0.2% Specific Gravity @ 20 Deg C 1.105-1.115 Refractive index @ 20 Deg C1.537-1.540 Phenol5.00 ppm

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    2021-1-21 · Among these orthodoxies are the following: (1) oxygen should be excluded from the pyrolysis process; (2) little sugar is produced during pyrolysis; and (3) the major product of pyrolysis is a low-value emulsion in water. Adherence to these tenets is an impediment to …

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    2020-12-1 · Sorption Isotherm, Glass Transition, and Diffusion Coefficient of Polyacrylamide/Water Solutions. Journal of Chemical & Engineering Data 2012, 57 (3) ... Specific Refractive Index Increments of Polymers in Dilute Solution. 1999,,https: ... Solution Properties of Water-Soluble Nonionic Polymers. Journal of Macromolecular Science, Part C: ...

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    Polyacrylamide Butyronitrile Colourdeveloper CD-2 Colourdeveloper CD-4 Triphenyl phosphate Diethylamine ... melting point: 49.2°C, boiling point: °C(760mmHg), flash point: 225°C, refractive index(25°C): 1.5518-1.5630 BACK LINKS CONTACT Add: 18 Renmin ...

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    2014-10-17 · Poly(acrylamides) (PAMs) with various anionic and cationic charge densities from −1.64 to +0.98 meq/g but similar molecular weights were synthesized through radical polymerization. One of the aqueous PAM solutions and an aqueous dispersion of 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO)-oxidized cellulose nanofibril (TOCN) were mixed at various PAM/TOCN weight ratios, and self …

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    9004-95-9. Name: Poly(oxy-1,2-ethanediyl),a-hexadecyl-w-hydroxy- Molecular Weight: 1123.507 Formula: C 56 H 114 O 21 Polyethylene glycol hexadecyl ether, or Brij 58, has been used in a study to assess properties of gemini-conventional surfactant mixtures and their effects on solubilization of polycyclic aromatic hydrocarbons.

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    China DCDA catalog of Good Quality Factory Price Dicyandiamide Fertilizer DCDA 99.8%, Top Quality Dicyandiamide 99.5% for Reactive Dyes provided by China manufacturer - …

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    2008-1-23 · 4.2.7.1 Refractive Index Detection 148 4.2.7.2 Thermooptical Absorbance Detection 149 4.2.8 Radiometrie Detection 150 4.2.9 Comparison of the Presented Detection Modes for CE 150 4.3 Capillary Column 152 4.4 Sample Collection 156 4.5 Commercial Instruments 157 5 Techniques 161 5.1 Capillary Zone Electrophoresis 161 5.1.1 General Aspects 162

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    Polysciences, Inc. is a leading manufacturer of specialty and fine chemicals, laboratory products, monomers, polymers, microscopy, histology, biotechnology, electronics and specialty products for pharmaceutical and personal care industries.

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    Product number 728632. Product description Poly (N-isopropylacrylamide), maleimide terminated average M. Packaging 1g. Price 165. Updated 2020-08-18. Buy. Manufacturer Sigma-Aldrich. Product number 749222. Product description Polyacrylamide average Mn 150,000.

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    2020-12-1 · Sorption Isotherm, Glass Transition, and Diffusion Coefficient of Polyacrylamide/Water Solutions. Journal of Chemical & Engineering Data 2012, 57 (3) ... Specific Refractive Index Increments of Polymers in Dilute Solution. 1999,,https: ... Solution Properties of Water-Soluble Nonionic Polymers. Journal of Macromolecular Science, Part C: ...

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    2021-6-16 · C26H42O4. CAS NO: 28553-12-0. Applications: DINP’s volatilization weightlessness is smaller than DOP. Intrinsic viscosity is similar to DOP. You will get a more high viscosity value if use DINP alone. DINP is suitable for the plastic production, proving stable viscosity and no problems exist during disperse foaming. The melting temperature is ...

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    Triton X-100 reduced, a nonionic surfactant which has a hydrophilic polyethylene oxide chain, is a common laboratory detergent used for applications such as cell lysis and membrane permeabilization as a component of lysis buffers. Triton X-100 is used for the isolation of lipid rafts.

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    Polyacrylamide(PAM) is water soluble polymer chemical, has unique effect to increase the viscosity of water or to promote the flocculation of particles present in water, it can also reduce the frictional resistance between the liquid. According to the different ion characteristics, PAM has three types: Anionic PAM, Cationic PAM and Nonionic PAM.

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    9004-95-9. Name: Poly(oxy-1,2-ethanediyl),a-hexadecyl-w-hydroxy- Molecular Weight: 1123.507 Formula: C 56 H 114 O 21 Polyethylene glycol hexadecyl ether, or Brij 58, has been used in a study to assess properties of gemini-conventional surfactant mixtures and their effects on solubilization of polycyclic aromatic hydrocarbons.

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    2014-2-23 · The interaction between hydrophobically associating polyacrylamide (HAPAM) and dodecyl dimethyl betaine (BS-12) is studied through surface tension, interfacial tension (IFT), apparent viscosity, aggregation behavior, and microscopic morphologies. Results show that surface and interface properties of BS-12 are largely affected by HAPAM. BS-12 critical micelle concentrations are increased with ...

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    2021-5-24 · Acetyl Tributyl Citrate. Main Features. It is a supreme grade of non-toxic ,safe plasticizer without phthalate .It complies with the relevant requirements of foods ,pharmacy agents for human body in EU regulation REACH and FDA .

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    2021-6-16 · C26H42O4. CAS NO: 28553-12-0. Applications: DINP’s volatilization weightlessness is smaller than DOP. Intrinsic viscosity is similar to DOP. You will get a more high viscosity value if use DINP alone. DINP is suitable for the plastic production, proving stable viscosity and no problems exist during disperse foaming. The melting temperature is ...

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    2021-5-17 · Another name: DOP Chemical formula: C24H38O4 Molecular weight: 390.55 EINECS No.: 204-211-0 Density: 0.985 g/mL at 25 C Boiling point: 386 C Refractive index: 1.447(25C) Flashing point: 405 F Ignition temperature: 390 C (734 F) Melting point: -50.0 C (-58.0 F) Application area 1.Dioctyl phthalate is an important general-purpose plasticizer ...

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    2009-2-19 · (1-2%). Further, we also ignored the small refractive index shifts of the system which resulted from its composition changes. Our neglect of these issues produces <1% errors. Further discussion on the difference between 1-D and 3-D swelling of a nonionic hydrogel and how the Flory-Huggins interaction parameter and the cross-link density can be ...

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    2021-4-26 · Dop : Manufacturers, Suppliers, Wholesalers and Exporters. Another name: DOP Chemical formula: C24H38O4 Molecular weight: 390.55 EINECS No.: 204-211-0 Density: 0.985 g/mL at 25 C Boiling point: 386 C Refractive index: 1.447(25C) Flashing point: 405 F Ignition temperature: 390 C (734 F) Melting point: -50.0 C (-58.0 F) Application area 1.Dioctyl phthalate is an important general-purpose …

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    2021-3-24 · Refractive Index: 1.41100 to 1.41700 @ 20.00 °C. Melting Point:-94.00 to -92.00 °C. @ 760.00 mm Hg ... (2+)-modified electrode prepared using natural halloysite nanotubes and polyacrylamide gel. PubMed:Solid-state electrochemiluminescence sensor through the electrodeposition ... The effects of nonionic surfactants on the tris(2,2'-bipyridyl ...

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    2021-6-16 · Tributyl Citrate (TBC) Molecular: C18H32O7. CAS NO: 74-94-1. Applications: PVC artificial leather ,floor board and wallpaper Cosmetics /Coating material Plastic products of vehicle carriage (including defense aircraft ,warships ,tanks ) If you have any …

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