Hydroxyethyl methyl cellulose
1.Appearance: White powder or granule
2.Fitneness, mesh: 80,100,200
3.Gelling temperature,cen
1.Appearance: White powder or granule
2.Fitneness, mesh: 80,100,200
3.Gelling temperature,cen
Hydroxyethyl methyl cellulose:
1.traits
Both soluble in cold water soluble in hot water, usually in most organic solvent insoluble in water. PH value in the 2-12 range viscosity small changes, but more than this range viscosity drops.
Both soluble in cold water soluble in hot water, usually in most organic solvent insoluble in water. PH value in the 2-12 range viscosity small changes, but more than this range viscosity drops.
2.Important properties
As a kind of hydroxyl ethyl cellulose nonionic surfactant, besides having thickening, suspension, bonding, float melt, the film, dispersing, water and provide protective colloid function outside, still have the following properties: 1, HEC soluble in hot or cold water, high temperature or boil the precipitation is not, make it has a wide range of solubility and viscosity properties, and the hot gel; 2, itself with non-ionic large range of other water-soluble polymer, surfactant, salt coexistence, is high-concentration electrolyte solution of a kind of excellent colloid thickener; 3, water-retaining capacity more than double than methyl cellulose, good flow of regulatory, 4, HEC scattered ability and recognized methyl cellulose and HPMC scattered ability, but worst than most powerful protective colloid.
As a kind of hydroxyl ethyl cellulose nonionic surfactant, besides having thickening, suspension, bonding, float melt, the film, dispersing, water and provide protective colloid function outside, still have the following properties: 1, HEC soluble in hot or cold water, high temperature or boil the precipitation is not, make it has a wide range of solubility and viscosity properties, and the hot gel; 2, itself with non-ionic large range of other water-soluble polymer, surfactant, salt coexistence, is high-concentration electrolyte solution of a kind of excellent colloid thickener; 3, water-retaining capacity more than double than methyl cellulose, good flow of regulatory, 4, HEC scattered ability and recognized methyl cellulose and HPMC scattered ability, but worst than most powerful protective colloid.
3.Hydroxyl ethyl cellulose usage
(1)A directly in production. Add
(1)A directly in production. Add
(2)equipped with mother liquor with Hudson
(3)match into porridge shape phenology use
(3)match into porridge shape phenology use
4.application
General thickener, protectant, adhesives, stabilizer and preparation emulsions, frozen glue, ointment, lotion, clear eye drop, suppositories and tablets to additives, also used as hydrophilic gel, skeleton materials, preparation skeleton type slow-release formulation, it can also be used in food stabilizer and so on aspects role.
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