* Lower loading provides a cost to use benefit, less impact of the
colorant and properties of the final product and less inventory;
The next consideration in selecting a
colorant system is the thermal stability of the
colorant system.
Compatibilizers, such as Air Products ZetaSperse[R] 179 and 182 Dispersants and Carbowet[R] CA100 and GA210 Surfactants, when used in the paint preparation, can help to compatibilize
colorants for improved color development and acceptance by providing fast acting, additional stabilizing properties to the
colorant when it is added to the base paint.
Available in both natural and nature-identical sources, the
colorants are vegetarian, kosher, halal and certified free of any allergenic ingredients.
However, few studies have focused on the relatively large viscosity drop and related problems when predispersed
colorants are added to tint bases formulated with associative thickeners.
The same procedure was used for neat PP pellets with hand-mixed organic
colorant. The product from the batch mixing was then compression-molded into films using a PHI (model No.
Danish scientists have examined the potential of polyketide pigments produced from chemotaxonomically selected non-toxigenic fungal strains, such as Penicillium and Epicoccum, to serve as food
colorants.
WATER SOLUBLE
COLORANTS ARE METAL SALTS such as sulphate, nitrate and chloride that can give colour on ceramic surfaces at about 1250[degrees]C and above and that can dissolve in water.
Table 1: Properties of water-soluble triblocks used in this study Chemical structure (7) Pluronic 10R5 [PPO.sub.9][PEO.sub.23][PPO.sub.9] Pluronic 17R4 [PPO.sub.15][PEO.sub.26][PPO.sub.15] Pluronic 25R4 [PPO.sub.22][PEO.sub.38][PPO.sub.22] Pluronic 25R8 [PPO.sub.22][PEO.sub.227][PPO.sub.22] Pluronic 64 [PEO.sub.14][PPO.sub.31][PEO.sub.14] Pluronic 68 [PEO.sub.84][PPO.sub.31][PEO.sub.84] Pluronic 84 [PEO.sub.18][PPO.sub.41][PEO.sub.18] Pluronic 88 [PEO.sub.109][PPO.sub.41][PEO.sub.109] [M.sub.w] using [M.sub.w] in Wt.% of 12.5 code in name literature mM in
colorant Pluronic 10R5 2000 1950 2.5 Pluronic 17R4 2833 2650 3.5 Pluronic 25R4 4167 3600 5.2 Pluronic 25R8 12500 8550 15.6 Pluronic 64 3000 2900 3.8 Pluronic 68 9000 8400 11.3 Pluronic 84 4000 4200 5.0 Pluronic 88 12000 11400 15
Another fun
colorant from Sensient is a line of brightly colored film particulates called Spectra Flecks.
Inc., Salisbury, Mass., now offers a
colorant product designed to work with rubber mulch created from scrap tires.
Chromaflo and CPS Color's
colorant business combined to create one of the leading independent global
colorant system and pigment dispersion platforms worldwide, serving customers in architectural and industrial coatings Is well as the thermoset plastics markets.
The approval allows the company to market natural lycopene as a
colorant for foods and beverages.
