Email : zhou@sinobiochemistry.com Phone : +86-13941198570
 |
| Quantity: | |
|---|---|
HEC
SINOBIO
3901200090
Chemical formula: (C₂H₆O₂)ₙ
CAS No.: 9004-62-0
Appearance: white or slightly yellow amorphous short fibrous powder, odorless, tasteless, easy to absorb moisture.
Solubility: soluble in water, soluble in formic acid, formaldehyde, dimethyl sulfone, dimethyl formamide, dimethyl acetamide and a few other polar solvents, partially soluble or stretched and dissolved in butyraldehyde and acetic acid, insoluble in general organic solvents.
Hydroxyethyl cellulose (HEC) is a nonionic, water-soluble polymer with the chemical formula [C₆H₇O₂(OH)₂OC₂H₄OH]ₙ. It appears as a white or slightly yellow amorphous short fibrous powder, odorless and tasteless, and flows easily. HEC is soluble in cold and hot water, insoluble in most organic solvents, and exhibits minimal viscosity change within a pH range of 2-12. It also demonstrates excellent salt resistance and thermal stability.
HEC was prepared from cellulose by alkalization with sodium hydroxide and etherification reaction with ethylene oxide. The specific steps are as follows:
1. Soak the raw material cotton shorts or refined meal pulp in 30% liquid alkali, and take out and press after half an hour.
2. Pressing to the alkali water ratio of 1:2.8, for crushing.
3. pulverized alkali cellulose into the reactor, closed, vacuum, nitrogen, repeat the vacuum nitrogen will be completely replaced by the kettle air.
4. pressed into the pre-cooled ethylene oxide liquid, the reaction kettle jacket into the cooling water, control about 25 ℃ reaction 2h, get hydroxyethyl cellulose crude.
5. Crude washed with alcohol, add acetic acid neutralization to pH4-6, then add glyoxal crosslinking aging.
6. Wash with water, centrifugal dehydration, drying, grinding, to get hydroxyethyl cellulose.
Item | Description |
Usage | Oil drilling/Paint/Coating |
Molar Substitution (MS) | 1.8-2.0 |
Ash Content | ≤5% |
Moisture | ≤5% |
Water Insoluble | ≤0.5% |
Viscosity | 30000-100000 mpa.s |
Mesh/Fineness | 90-120 |
PH Value | 6.0-8.5 |
1. Thickening and Rheology Control: HEC solutions exhibit pseudoplasticity (shear-thinning properties), meaning they are viscous in the container but easily spread when applied. This property makes them excellent in personal care products such as shampoos and conditioners.
2. Suspension and Stabilization: HEC effectively suspends solid particles, preventing sedimentation, making it suitable for cosmetics and pharmaceutical formulations containing particles.
3. Water Retention and Film Formation: Its water retention capacity is twice that of methylcellulose, and it forms a smooth film, commonly used in architectural coatings and medical dressings.
4. Salt Resistance: It remains stable in high-concentration electrolyte solutions, making it an ideal thickener for salt-containing formulations (such as artificial tears).
5. Compatibility: It can coexist with a variety of water-soluble polymers, surfactants, and salts, expanding its application range.
HEC has the properties of thickening, suspending, bonding, emulsifying, dispersing, retaining moisture and protecting colloids, etc. It can prepare solutions with different viscosity ranges and is widely used in the following fields:
*Hair Care: Used as a thickener and stabilizer in shampoos, conditioners, hairsprays, etc., to improve product texture and stability.
*Skin Care: Used in creams, lotions, and cleansers to provide a silky feel and moisturizing effect.
*Oral Care: Used as a thickener in toothpaste to improve taste and stability.
*Makeup: Used in foundations, eyeshadows, mascaras, etc., to enhance spreadability and adhesion.
*Pharmaceutical Excipients: Used as a binder, thickener, and stabilizer in tablets, capsules, artificial tears, eye drops, etc.
*Drug Carriers: Used as water-insoluble drug suspensions for intravenous injection and intraperitoneal infusion.
*Microbial Inhibitors: Researching microbial bactericides for the prevention of HIV sexual transmission.
*Architectural Coatings: Used as a thickener and stabilizer to prevent pigment sedimentation and improve workability.
*Tile Adhesives & Putty: Improves bond strength and crack resistance, and extends open time.
*Cement-based materials: Prevent cracking and improve durability.
*Drilling fluids: As a thickener, improves sand-carrying capacity, reduces wellbore damage, and is easily degraded by acids, enzymes, or oxidants, facilitating oil recovery.
*Fracturing fluids: Carry silt and sand, create fractures, and improve oil recovery.
*Papermaking and printing: As a sizing agent and protective sizing agent, improves paper gloss and print quality.
*Textile printing and dyeing: As a printing paste, improves color fastness and pattern clarity.
*Agriculture: Used in pesticide suspensions to improve stability and adhesion.
Q: What is the standard packaging size?
A: The standard packaging is a 25kg bag.
Q: Is a sample available? Can the packaging be customized?
A: Yes, samples are available. We also provide customized packaging for different quantities as needed.
Q: What shipping options are offered?
A: Shipping can be arranged by sea, air, or express.
Q: How does SINOBIO assist with shipping?
A: SINOBIO cooperates with various shipping companies to help customers arrange shipping according to different quantities.
Q: What payment methods are accepted?
A: We accept T/T, Western Union, MoneyGram, or other payment methods as per your requirements.
Chemical formula: (C₂H₆O₂)ₙ
CAS No.: 9004-62-0
Appearance: white or slightly yellow amorphous short fibrous powder, odorless, tasteless, easy to absorb moisture.
Solubility: soluble in water, soluble in formic acid, formaldehyde, dimethyl sulfone, dimethyl formamide, dimethyl acetamide and a few other polar solvents, partially soluble or stretched and dissolved in butyraldehyde and acetic acid, insoluble in general organic solvents.
Hydroxyethyl cellulose (HEC) is a nonionic, water-soluble polymer with the chemical formula [C₆H₇O₂(OH)₂OC₂H₄OH]ₙ. It appears as a white or slightly yellow amorphous short fibrous powder, odorless and tasteless, and flows easily. HEC is soluble in cold and hot water, insoluble in most organic solvents, and exhibits minimal viscosity change within a pH range of 2-12. It also demonstrates excellent salt resistance and thermal stability.
HEC was prepared from cellulose by alkalization with sodium hydroxide and etherification reaction with ethylene oxide. The specific steps are as follows:
1. Soak the raw material cotton shorts or refined meal pulp in 30% liquid alkali, and take out and press after half an hour.
2. Pressing to the alkali water ratio of 1:2.8, for crushing.
3. pulverized alkali cellulose into the reactor, closed, vacuum, nitrogen, repeat the vacuum nitrogen will be completely replaced by the kettle air.
4. pressed into the pre-cooled ethylene oxide liquid, the reaction kettle jacket into the cooling water, control about 25 ℃ reaction 2h, get hydroxyethyl cellulose crude.
5. Crude washed with alcohol, add acetic acid neutralization to pH4-6, then add glyoxal crosslinking aging.
6. Wash with water, centrifugal dehydration, drying, grinding, to get hydroxyethyl cellulose.
Item | Description |
Usage | Oil drilling/Paint/Coating |
Molar Substitution (MS) | 1.8-2.0 |
Ash Content | ≤5% |
Moisture | ≤5% |
Water Insoluble | ≤0.5% |
Viscosity | 30000-100000 mpa.s |
Mesh/Fineness | 90-120 |
PH Value | 6.0-8.5 |
1. Thickening and Rheology Control: HEC solutions exhibit pseudoplasticity (shear-thinning properties), meaning they are viscous in the container but easily spread when applied. This property makes them excellent in personal care products such as shampoos and conditioners.
2. Suspension and Stabilization: HEC effectively suspends solid particles, preventing sedimentation, making it suitable for cosmetics and pharmaceutical formulations containing particles.
3. Water Retention and Film Formation: Its water retention capacity is twice that of methylcellulose, and it forms a smooth film, commonly used in architectural coatings and medical dressings.
4. Salt Resistance: It remains stable in high-concentration electrolyte solutions, making it an ideal thickener for salt-containing formulations (such as artificial tears).
5. Compatibility: It can coexist with a variety of water-soluble polymers, surfactants, and salts, expanding its application range.
HEC has the properties of thickening, suspending, bonding, emulsifying, dispersing, retaining moisture and protecting colloids, etc. It can prepare solutions with different viscosity ranges and is widely used in the following fields:
*Hair Care: Used as a thickener and stabilizer in shampoos, conditioners, hairsprays, etc., to improve product texture and stability.
*Skin Care: Used in creams, lotions, and cleansers to provide a silky feel and moisturizing effect.
*Oral Care: Used as a thickener in toothpaste to improve taste and stability.
*Makeup: Used in foundations, eyeshadows, mascaras, etc., to enhance spreadability and adhesion.
*Pharmaceutical Excipients: Used as a binder, thickener, and stabilizer in tablets, capsules, artificial tears, eye drops, etc.
*Drug Carriers: Used as water-insoluble drug suspensions for intravenous injection and intraperitoneal infusion.
*Microbial Inhibitors: Researching microbial bactericides for the prevention of HIV sexual transmission.
*Architectural Coatings: Used as a thickener and stabilizer to prevent pigment sedimentation and improve workability.
*Tile Adhesives & Putty: Improves bond strength and crack resistance, and extends open time.
*Cement-based materials: Prevent cracking and improve durability.
*Drilling fluids: As a thickener, improves sand-carrying capacity, reduces wellbore damage, and is easily degraded by acids, enzymes, or oxidants, facilitating oil recovery.
*Fracturing fluids: Carry silt and sand, create fractures, and improve oil recovery.
*Papermaking and printing: As a sizing agent and protective sizing agent, improves paper gloss and print quality.
*Textile printing and dyeing: As a printing paste, improves color fastness and pattern clarity.
*Agriculture: Used in pesticide suspensions to improve stability and adhesion.
Q: What is the standard packaging size?
A: The standard packaging is a 25kg bag.
Q: Is a sample available? Can the packaging be customized?
A: Yes, samples are available. We also provide customized packaging for different quantities as needed.
Q: What shipping options are offered?
A: Shipping can be arranged by sea, air, or express.
Q: How does SINOBIO assist with shipping?
A: SINOBIO cooperates with various shipping companies to help customers arrange shipping according to different quantities.
Q: What payment methods are accepted?
A: We accept T/T, Western Union, MoneyGram, or other payment methods as per your requirements.
