Carbomer 940

Description

Product Name	Carbomer
Other name	Carbopol
Types of Carbopol	934,940,941,980, 1342, U10, U20, U21, etc.
Sample	Available
Storage	Cool Dry Place
Application	Hand Sanitizer

1. Character:
The appearance of loose white powder, piled density of about 208 kg / m3, the glass transition temperature of 100 ~ 105℃; Molecule contains 56% ~ 68% of carboxyl, so a weak acid resin, 0.5% water dispersion of PH 2.7 ~ 3.5, the equivalent of 2.6± 4.

Balance amount of water 8 to 10% (relative humidity 50%).
2. Carbopol main functions:
Thickening – – can produce a wide range of viscosity and mobility;
Suspension – – to the permanent suspension of insoluble components in the system;
Emulsion – – in the oil/water phase play a role in emulsification and stability.

3. Carbomer thickening mechanism:
a. salt thickening, the most common approach is to become a proper resin acid salt so that the resin molecules are open curl caused thickening. in the water and other polar solvents, with NaOH, KOH, and NH40H the class and easily form salts; weak or non-acute in acute organic amine solvent will be neutralized. When the resin is used as an emulsifier for the oil/water emulsion to obtain the best stability, the need for using water-soluble inorganic base resin and oil-soluble organic amine and a double in that generation are in the water and oil soluble salt, the oil phase and water phase from the bridge.

b. light key thickening, the addition of hydroxyl in the resin to give the body, the resin molecules to give a physical and a carboxyl or hydroxyl groups to form two or more hydrogen bonds and thickening, this method takes time, probably even a few from 5 minutes hours, and consistency to the highest value. PH value of these acidic substances, the dispersion temperature to 70℃; (but not more than) can thicken faster. And a number of commonly used ethoxylated polyol reagents: a nonionic surfactant, solvents, polyols, a silane copolymer of ethylene glycol, polyethylene oxide, and fully hydrolyzed polyvinyl alcohol.

4. Packaging: 
This product is packed in double non-toxic polyethylene and nylon plastic bags which are moisture and airproof (5kg/bag) and then packed in cartons, 10kg/small carton, 20kg/big carton.
5. Storage:
Carbopol has strong hygroscopicity. Storage must pay attention to sealing, to guard against moisture absorption agglomerate exposed in the air, if slightly caking, pat pressure, which can become loose powder will not affect the thickening effect, this product once opened, the best home with desiccant sealed containers.
6. Transportation:
Carbomer is polyelectrolyte, friction, or extrusion resin particles with static electricity sometimes. In the case of bulk, the resin is poured, first with a broom to sweep dry, do not wash with water, or on the ground or equipment to form a very thin layer of slippery.

Carbomer940 is characterized by: can produce high viscosity permanent emulsifier and suspension, form clear gel, rheology short.

 

Carbomer934 is characterized by: Low viscosity can produce a permanent emulsion and suspension, the production of colloidal transparency, rheology long

 

Carbomer941 is characterized by: Thickening effect is efficient, can produce crystal clear water or alcohol-hydrogel colloids, and rheology is very short

 

Carbomer1342 is characterized by: System in the presence of ions, ion-resistant properties, very suitable for daily-use chemical and pharmaceutical fields.

Type	Main Applications	water-soluble/ anti-ion	neutral solution viscosity of 0.5%
Carbomer941	local drug delivery system, high emulsion stability, With good clarity of the thin gels, the water-soluble thickener can be used for cosmetics	water-soluble	4000-11000
Carbomer934	local drug delivery system, in the high viscosity stability, For thick gels, emulsions, suspensions, the water-soluble thickeners can be used in cosmetics	water-soluble	20000-40000
Carbomer940	local drug delivery system, crystal clarity of the gels, water, or alcohol, can be used for cosmetics,	water-soluble	40000-60000
Carbomer1342	local drug delivery system, the presence of the dielectric, excellent rheology modifier	Anti-ionic	20000-40000

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