• surfactants and anionic, nonionic and cationic properties

    Surfactants and anionic, nonionic and cationic properties

    Surfactants come in four different types: Anionic, nonionic, cationic and amphoteric. Once you understand the differences between these different surfactant types, as well as how to classify them by their names, choosing the right cleaning products should be a snap. Anionic surfactants

  • ep1218415a1 water soluble anionic or nonionic

    EP1218415A1 Water soluble anionic or nonionic

    EP1218415A1 EP00969026A EP00969026A EP1218415A1 EP 1218415 A1 EP1218415 A1 EP 1218415A1 EP 00969026 A EP00969026 A EP 00969026A EP 00969026 A EP00969026 A EP

  • au782319b2 water soluble anionic or nonionic dispersion

    AU782319B2 Water soluble anionic or nonionic dispersion

    AU782319B2 AU78856/00A AU7885600A AU782319B2 AU 782319 B2 AU782319 B2 AU 782319B2 AU 78856/00 A AU78856/00 A AU 78856/00A AU 7885600 A AU7885600 A AU 7885600A AU 782319 B2 AU782319 B2 AU 782319B2 Authority AU Australia Prior art keywords solution added dispersion acid hours Prior art date 1999-09-08 Legal status (The legal status is an assumption and is not a legal

  • nz517020a water soluble anionic or nonionic dispersion

    NZ517020A Water soluble anionic or nonionic dispersion

    dispersion polymer nonionic dispersion Prior art date 1999-09-08 Application number NZ51702000A Inventor John R Hurlock Original Assignee Nalco Chemical Co Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed

  • ionic properties of so-called "non-ionic dispersion

    Ionic properties of so-called "non-ionic Dispersion

    “Non-ionic” surfactants of SPAN family are actually ionic surfactants in non-polar low-conducting media. They produce substantial amount of ions. There are two possible mechanisms of this effect: dissociation of the SPAN molecules or their stabilization of the ions originally existing in the liquid as neutral ion pairs.

  • ca2378850a1 water soluble anionic or nonionic

    CA2378850A1 Water soluble anionic or nonionic

    A high molecular-weight water-soluble polymer dispersion, having a bulk Brookfield viscosity of from about 10 to about 25,000 cps at 25 degrees Celsius, comprising from about 5 to about 50 weight percent of a water-soluble polymer prepared by polymerizing, under free-radical forming conditions in an aqueous medium of a water-soluble salt in the presence of a stabilizer at a pH greater than 5

  • oil dispersants

    Oil dispersants

    A zero value corresponds to the most lipophilic and a value of 20 is the most hydrophilic for a non-ionic surfactant. In general, compounds with an HLB between one and four will not mix with water. Compounds with an HLB value above 13 will form a clear solution in

  • dispersing agents functionality & performance

    Dispersing agents Functionality & Performance

    Nonionic dispersion BASF offers a wide range of products, which can be classified in two main groups: Low-molecular-weight dispersing agents High-molecular-weight dispersing agents; Both types of dispersant improve the wetting process and result in shorter grinding times. The conventional low-molecular-weight types are categorized according to

  • effect of nonionic surfactants on dispersion and polar

    Effect of Nonionic Surfactants on Dispersion and Polar

    Residual lignin in pretreated biomass impedes enzymatic hydrolysis. Nonionic surfactants are known to enhance the enzymatic hydrolysis of lignocellulosic biomass but their mechanisms of action are incompletely understood. This study investigates the effect of a nonionic surfactant, Tween 80, on the adsorption of cellulases onto model lignin substrates.

  • effect of nonionic surfactants on dispersion and polar

    Effect of Nonionic Surfactants on Dispersion and Polar

    Residual lignin in pretreated biomass impedes enzymatic hydrolysis. Nonionic surfactants are known to enhance the enzymatic hydrolysis of lignocellulosic biomass but their mechanisms of action are incompletely understood. This study investigates the effect of a nonionic surfactant, Tween 80, on the adsorption of cellulases onto model lignin substrates.

  • effect of nonionic surfactants on dispersion and polar

    Effect of Nonionic Surfactants on Dispersion and Polar

    Residual lignin in pretreated biomass impedes enzymatic hydrolysis. Nonionic surfactants are known to enhance the enzymatic hydrolysis of lignocellulosic biomass but their mechanisms of action are incompletely understood. This study investigates the effect of a nonionic surfactant, Tween 80, on the adsorption of cellulases onto model lignin substrates.

  • study of ionic/nonionic polyurethane dispersions with high

    Study of ionic/nonionic polyurethane dispersions with high

    Download Citation Study of ionic/nonionic polyurethane dispersions with high solid content and low viscosity using a complex hydrophilic chain-extending agent An ionic/nonionic polyurethane

  • nonionic & anionic dispersants for synthetic fiber dyeing

    Nonionic & Anionic Dispersants for Synthetic Fiber Dyeing

    Nonionic dispersant for improving dispersion and solubility of dyes and cleaning agent for cotton, wool, and most synthetics. Technical Bulletin Textile Chemical Auxiliaries

  • nonionic surfactant an overview sciencedirect topics

    Nonionic Surfactant an overview ScienceDirect Topics

    Nonionic Surfactant. Nonionic surfactants are long chain polymers which do not dissociate, for example, phenol 30-mol ethylene oxide:C6H5−O−(CH2CH2O)30Hwhich is known in the drilling industry as DMS (Burdyn and Wiener 1957).

  • (pdf) effect of nonionic and ionic surfactants on zeta

    (PDF) Effect of nonionic and ionic surfactants on zeta

    Dispersion of carbon black powders in aqueous medium was investigated by using anionic surfactant sodium oleate and a series of nonionic surfactants which were selected systematically to represent

  • dispersion of cellulose crystallites by nonionic

    Dispersion of cellulose crystallites by nonionic

    The nonionic surfactant sorbitan monostearate was utilized to improve the dispersion properties of the hydrophilic cellulose in hydrophobic matrix and to prevent the formation of aggregates. Turbidity tests were used to measure dispersion stability of the cellulose crystallites in the hydrophobic solvent used in the composite manufacture. A

  • water soluble anionic or nonionic dispersion

    WATER SOLUBLE ANIONIC OR NONIONIC DISPERSION

    2013-11-20· WATER SOLUBLE ANIONIC OR NONIONIC DISPERSION POLYMER A water-soluble dispersion polymer having a bulk Brookfield viscosity of from 10 to 25,000 cps at 25°C and a molecular weight ranging from 50,000 to 50 million characterised by comprising from 5 to 50 weight percent of a water soluble polymer prepared by polymerizing under free radical forming conditions in an aqueous

  • study of ionic/nonionic polyurethane dispersions with

    Study of ionic/nonionic polyurethane dispersions with

    Abstract. An ionic/nonionic polyurethane dispersion with high solid content and low viscosity with a complex hydrophilic chain-extending agent was prepared using isophorone diisocyanate as a hard segment and propylene oxide glycol as a soft segment.

  • inverse dispersion comprising an anionic or a nonionic

    Inverse Dispersion Comprising an Anionic or a Nonionic

    An inverse dispersion comprising i) at least one anionic or one nonionic polymer obtainable by the polymerization of a) at least one anionic monomer and/or at least one nonionic monomer (compound A), b) optionally at least one crosslinker (compound B), c)

  • 12.5: intermolecular forces- dispersion, dipole–dipole

    12.5: Intermolecular Forces- Dispersion, Dipole–Dipole

    London dispersion forces are due to the formation of instantaneous dipole moments in polar or nonpolar molecules as a result of short-lived fluctuations of electron charge distribution, which in turn cause the temporary formation of an induced dipole in adjacent molecules. their energy falls off as 1/r 6.

  • dispersion polymerization an overview sciencedirect

    Dispersion Polymerization an overview ScienceDirect

    K. Matyjaszewski, J. Spanswick, in Reference Module in Materials Science and Materials Engineering, 2016. 6.6.5 Dispersion. Dispersion polymerization is a convenient procedure to form larger solid particles. Uniform-sized polymer beads with diameters between 0.1 and 10 µm are finding an ever increasing role in a number of coatings, electronics, microelectronics, biomedical, and information

  • comparison of anionic, cationic and nonionic

    Comparison of Anionic, Cationic and Nonionic

    Comparison of Anionic, Cationic and Nonionic Surfactants as Dispersing Agents for Graphene Based on the Fluorescence of Riboflavin

  • nonionic surfactant an overview sciencedirect topics

    Nonionic Surfactant an overview ScienceDirect Topics

    Non-ionic surfactants are important substances for cell biology as they are mild and do not break protein/protein interaction while still providing the potential to dissolve unpolar compounds, e.g., bilayer membranes. This makes them suitable, e.g., for disrupting cell membranes, a

  • non-ionic polyurethane dispersions having side chains

    Non-ionic polyurethane dispersions having side chains

    1975-11-18· A bluish translucent polyurethane dispersion which contains acetone is obtained. After removal of the acetone solvent by distillation at approximately 150 mm.Hg, 770 g of a finely divided non-ionic polyurethane dispersion with a solids content of 38% is obtained. Its viscosity measured in a Ford cup (nozzle 4) is 20 seconds and a film cast from

  • polyurethane dispersion

    Polyurethane dispersion

    Polyurethane Dispersion, or PUD, is understood to be a polyurethane polymer resin dispersed in water, rather than a solvent. Its manufacture involves the synthesis of polyurethanes having carboxylic acid functionality or nonionic hydrophiles like PEG incorporated into, or pendant from, the polymer backbone.

  • study of ionic/nonionic polyurethane dispersions with high

    Study of ionic/nonionic polyurethane dispersions with high

    An ionic/nonionic polyurethane dispersion with high solid content and low viscosity with a complex hydrophilic chain-extending agent was prepared using isophorone diisocyanate as a hard segment and propylene oxide glycol as a soft segment. The complex hydrophilic chain-extending agent consisted of DPSA and BDSA. The effects of the molar ratio of DPSA/BDSA on the properties of the resultant

  • 38 questions with answers in nonionic surfactants

    38 questions with answers in NONIONIC SURFACTANTS

    2019-07-12· According to literature, mixture of anionic and nonionic surfactants is good to form stable emulsion but SLS in only soluble in water and not soluble with nonionic surfactant. How can i prepare

  • waterborne nonionic hydrophilic polyurethane dispersions

    Waterborne Nonionic Hydrophilic Polyurethane Dispersions

    This self-crosslinking aliphatic polyurethane dispersion forms a film of medium hardness and modulus values. Ideal for flexible substrate coatings. Bondthane™ UD-620. This relatively hard self-crosslinking polyurethane is ideally suited for hard, clear or pigmented coatings for

  • nonionic surfactants lankem surfactants

    Nonionic Surfactants Lankem Surfactants

    Lankem offer a wide range on nonionic surfactants that range from Alcohol ethoxylates, Castor ethoxylates, Oleic acid ethoxylates, Tallow amine ethoxylates coconut diethanolamides, amine oxides, soribitan ester ethoxylates and many more.

  • non-covalent interactions

    Non-covalent interactions

    Non-covalent interactions have a significant effect on the boiling point of a liquid. Boiling point is defined as the temperature at which the vapor pressure of a liquid is equal to the pressure surrounding the liquid. More simply, it is the temperature at which a liquid becomes a

  • non-covalent interactions

    Non-covalent interactions

    Non-covalent interactions have a significant effect on the boiling point of a liquid. Boiling point is defined as the temperature at which the vapor pressure of a liquid is equal to the pressure surrounding the liquid. More simply, it is the temperature at which a liquid becomes a

  • ionic or nonionic amphiphilic french translation linguee

    ionic or nonionic amphiphilic French translation Linguee

    Many translated example sentences containing "ionic or nonionic amphiphilic" French-English dictionary and search engine for French translations.

  • non-ionic emulsion translation into french examples

    non-ionic emulsion Translation into French examples

    Translations in context of "non-ionic emulsion" in English-French from Reverso Context: a liquid surfactant composition for cleaning a surface is provided.It comprisesa cleansing surfactant, a polymeric cationic material and an anionic or non-ionic emulsion of

  • emulsion polymerization

    Emulsion polymerization

    In such cases the monomer must be removed or stripped from the dispersion. Colloidal stability is a factor in design of an emulsion polymerization process. For dry or isolated products, the polymer dispersion must be isolated, or converted into solid form. This can be accomplished by simple heating of the dispersion until all water evaporates.

  • preparation of an ionic/nonionic polyurethane-silicone

    Preparation of an ionic/nonionic polyurethane-silicone

    Preparation of an ionic/nonionic polyurethane-silicone dispersion (PUSD) with a high solid content and low viscosity using complex soft segments

  • anionic definition of anionic by the free dictionary

    Anionic definition of anionic by The Free Dictionary

    Key statement: A method for preparing a masterbatch of synthetic elastomer and of carbon-based filler, which comprises the following steps: preparing an aqueous dispersion of carbon-based filler having a zeta potential with the opposite sign to that of an anionic or cationic synthetic elastomer latex, the difference between the potentials of

  • aqueous dispersion of a particulate high molecular

    Aqueous dispersion of a particulate high molecular

    2001-07-24· An aqueous dispersion of a particulate high molecular weight water soluble anionic or nonionic polymer is prepared by polymerizing 0-7 mole percent of at least one anionic monomer and 100-93 mole percent of at least one non-ionic monomer under free radical forming conditions in an aqueous solution of a water-soluble salt at a pH greater than 5 in the presence of an anionic water

  • surfactant

    Surfactant

    Most commonly, surfactants are classified according to polar head group. A non-ionic surfactant has no charged groups in its head. The head of an ionic surfactant carries a net positive, or negative charge. If the charge is negative, the surfactant is more specifically called

  • the role of surfactants in aqueous pigment dispersion

    The Role of Surfactants in Aqueous Pigment Dispersion

    2016-04-04· Nonionic surfactants of 8-15 EO blocks and an HLB of 10-14 provide a degree of stabilization that can improve letdown compatibility, milling efficiency and small particle stabilization with far less of the foam and water sensitivity issues found with anionic or higher-HLB nonionic stabilizers. They are often employed in the dispersion process

  • dp2: exam 2 colloidal dispersions flashcards quizlet

    DP2: Exam 2 Colloidal Dispersions Flashcards Quizlet

    DP2: Exam 2 Colloidal Dispersions study guide by fpitale includes 193 questions covering vocabulary, terms and more. Quizlet flashcards, activities and games help you improve your grades.

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