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Q Does sodium alginate dissolve in water?
A Sodium alginate is the sodium salt of alginic acid. Unlike alginic acid, sodium alginate is soluble in both hot and cold water. This makes it ideal in various applications to achieve viscous solutions at low concentrations, for gel formation, film formation and for its suspension capabilities.
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Q Is sodium alginate toxic?
A Sodium alginate is a high‐molecular‐weight polymer naturally occurring in brown algae. The use of sodium alginate in animal nutrition is considered safe for the consumers and the environment.
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Q What is a disadvantage of alginate?
A Their disadvantages include less accurate reproduction of details as compared with elastomeric impression materials, poor dimensional stability, and that they are messy to work with.
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Q Why is sodium alginate used in printing?
A Sodium alginate sh is a seaweed derivative that is used to thicken dyes for painting, stamping or screen printing. For thicker fabrics, use a thinner consistency of liquid dye solution to ensure dye penetration.
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Q What is alginate in textile?
A In textile printing, alginates are used as thickeners for the paste containing the dye. Alginates became important thickeners with the advent of reactive dyes. These combine chemically with cellulose in the fabric.
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Q What is the most commonly used binder?
A Common traditional binders include sucrose, gelatin and starch. More recently introduced binders include polymers such as cellulose derivatives and polyvinylpyrrolidone, which have improved adhesive properties. Examples of dry binders include cross-linked polyvinylpyrrolidone and microcrystalline cellulose.
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Q What is pigment binder and solvent?
A Pigments provide color and hide, while binders work to "bind" the pigment together and create the paint film. Solvents are the liquids that suspend the ingredients and allow you to place the paint on the surfaces, and additives are ingredients that provide specific paint properties such as mildew resistance.
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Q What is binder in pigment printing?
A The binder used in the pigment printing process is usually based on styrene- butadiene, styrene acrylate or vinyl acetate-acrylate co-polymer. Binders are the mechanism used to keep the color on the fabric when using pigments for printing textiles.
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Q Do pigments require a binder?
A Paint consists primarily of two components: pigment and binder. In order to produce paint, pigment and binder are ground into a stiff paste which must have three requirements: it must be brushable, it must adhere permanently to the support's surface and it must not alter significantly in time.
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Q What is a binder pigment?
A A binder is the substance that the pigment or dye is mixed into to create paint. A binder is also known as the medium or vehicle. Binders can also be natural or synthetic. Natural binders include linseed oil and gum arabic.