Carbomer 940

Carbomer, also called Carbopol, is a generic name for synthetic high molecular weight polymers of acrylic acid used as a thickening, dispersing, suspending and emulsifying agents in cosmetics. They may be homopolymers of acrylic acid, crosslinked with an allyl ether pentaerythritol, allyl ether of sucrose, or allyl ether of propylene.

Carbomers are found in the market as white and fluffy powders. They have the ability to absorb, retain water and swell to many times their original volume. Carbomers codes (910, 934, 940, 941 and 934P) are an indication of molecular weight and the specific components of the polymer.

Description

Carbomer 940-Lyphar Biotech Co., Ltd

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

Carbomer 940-Lyphar Biotech Co., Ltd

Carbomer 940-Lyphar Biotech Co., Ltd

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.

Carbomer 940-Lyphar Biotech Co., Ltd

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

Carbomer 940-Lyphar Biotech Co., Ltd Carbomer 940-Lyphar Biotech Co., Ltd

Carbomer 940-Lyphar Biotech Co., Ltd

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Carbomer 940-Lyphar Biotech Co., Ltd

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Carbomer 940-Lyphar Biotech Co., Ltd