Zhishang Bio Technology|Supplier of pharmaceutical intermediates, pesticide intermediates and cosmetics raw materials

PRODUCT

Polyacrylic Acid

Zhishang Bio Polyacrylic Acid CAS 1309-42-8

Payment: L/C,T/T,D/P,Paypal,Money Gram,Western Union

Incoterm: FOB,CFR,CIF,EXW,FCA,CPT,CIP

Transporta: Ocean, Land,Air, DHL,TNT

Port: Shanghai Port, Qingdao Port

Description

1. Chemical properties and classification
Polyacrylic Acid, Poly (acrylic acid), abbreviated as PAA or Polyacrylic Acid ester, is a water-soluble polymer synthesized by free radical polymerization of acrylic monomers. Its chemical formula is (C ∝ H ₄ O ₂) ₙ. Its molecular chain contains a large number of carboxyl groups (- COOH), giving it unique polyelectrolyte properties. In terms of chemical classification, it belongs to anionic polymers, usually including two categories: uncrosslinked linear polymers and crosslinked Carbomers.

3. Physical characteristics and morphology
This product usually appears as a colorless to pale yellow viscous liquid or white powder, with a density of about 1.2 g/mL and a glass transition temperature of about 106 ° C. Its most significant physical characteristic is its strong water absorption and swelling ability – Polyacrylic Acid in dry powder state can absorb hundreds of times its own weight of water. At the same time, with the different molecular weight or crosslinking degree, its aqueous solution can exhibit a wide range of characteristics from low viscosity thixotropic fluid to high viscosity gel.

3. Industry positioning and preparation background
Polyacrylic acid is one of the most versatile fine chemicals in modern industry, known as an excellent suspension and thickening agent. In industry, it is mainly produced by free radical polymerization of acrylic acid in aqueous solution. By controlling the reaction conditions (such as initiator, temperature), different specifications of products with molecular weights ranging from several thousand to several million or even crosslinked can be produced. Polyacrylic Acid plays a key role in the fields of daily chemical, pharmaceutical, and water treatment, from the high water absorbing resin in disposable baby diapers, to the transparent matrix in high-end skincare products, and to the anti scaling agent in circulating cooling water.

Product Images & Packaging

Polyacrylic Acid
Polyacrylic Acid
Polyacrylic Acid

Polyacrylic Acid Parameters

Poly(acrylic acid) Chemical Properties
Melting point 95 °C
Boiling point 116 °C
density 1.2 g/mL at 25 °C
Tg106
vapor pressure 2.64-3.57hPa at 20-25℃
refractive index n20/D 1.442
Fp 100 °C
storage temp. 2-8°C
solubility Swellable in water and glycerin and, after neutralization, in ethanol (95%). Carbomers do not dissolve but merely swell to a remarkable extent, since they are three-dimensionally crosslinked microgels.
form Powder
color White

The application of Polyacrylic Acid

The main uses of Polyacrylic Acid
Polyacrylic Acid, with its high-density active carboxyl groups on its polymer chains, combines three core functions: “thickening and film-forming”, “water absorption and swelling”, and “chelation and dispersion”. It not only serves as an efficient additive in the industrial field, but also occupies an irreplaceable position in daily necessities and high-tech fields.


1. Personal care and daily chemical industry
In the cosmetics and personal care industry, Polyacrylic Acid (especially Carbomer cross-linked) is the core raw material for manufacturing transparent gel and lotion, known as “MSG in cosmetics”. It is widely used in gel water, moisturizing cream, facial mask, aloe gel and sunscreen. Its three-dimensional network structure is used to rapidly swell in the water phase, providing efficient thickening, suspension and stability, giving the product a fresh, non greasy skin feel. In toothpaste formulations, it serves as a thickener and binder, effectively controlling the fluidity and dispersibility of the paste, ensuring stable extrusion of the toothpaste during use; In hair products such as gel water and hair gel, it acts as a film-forming agent to shape hair and maintain its shine.


2. Sanitary products and industrial water absorption field
Polyacrylic acid is the basic raw material for manufacturing superabsorbent polymers (SAP), which is the most widely used application direction. By moderately crosslinking linear polyacrylic acid, a huge three-dimensional network structure can be formed, which can absorb hundreds or even thousands of times its own weight of water or urine, and is not easily re permeable under pressure. This feature makes it an indispensable core absorbent layer in baby diapers, adult incontinence products, and women’s sanitary napkins. In the field of agriculture, this highly absorbent polymer is also used as a “soil water retaining agent”, which can absorb rainwater or irrigation water when mixed into the soil and slowly release it during drought, improving plant drought resistance.


3. Water treatment and industrial additives field
Polyacrylic acid sodium (in its neutralized salt form) is one of the most widely used green scale inhibitors in industrial water treatment. The carboxylate ions on its molecular chain can chelate calcium and magnesium ions in water and adsorb on the surface of tiny calcium carbonate and calcium sulfate lattices, preventing their growth and deposition through “lattice distortion” and “dispersion effect”, effectively preventing scaling in boilers, heat exchangers, and circulating cooling water pipelines, significantly improving heat exchange efficiency and reducing energy consumption. In addition, in the textile, printing and dyeing, papermaking, and ceramic industries, it can also serve as a strong dispersant to prevent filler agglomeration and ensure uniform and stable pulp.


4. In the field of pharmaceuticals and biomaterials
In the field of pharmaceutical preparations, Polyacrylic Acid (especially the Carbopol series) is widely used as a pharmaceutical excipient due to its good biocompatibility and non toxicity. It can be used as a matrix for preparing various external gel, ointments and creams to control the drug release rate. More importantly, the carboxyl group on the PAA chain can form hydrogen bonds with mucosal glycoproteins in the gastrointestinal or ocular tract, exhibiting excellent “biological adhesion”. This mucosal adhesive property enables it to extend the residence time of drugs at the absorption site. It is often used to prepare ophthalmic gel (such as artificial tears for the treatment of dry eyes) and oral sustained-release tablet skeletons, so as to improve the bioavailability of drugs. In scientific research, it is also used to synthesize stimulus responsive hydrogels as tissue engineering scaffolds or targeted delivery carriers.


The use of polyacrylic acid deeply reflects the paradigm of polymer materials achieving “one material, multiple uses” through molecular design. It is not only a “water absorption magician” in the diapers to ensure the dry and cool skin of infants and young children, but also a “scale prevention guard” to ensure the efficient operation of industrial equipment, and also a “gel craftsman” to give silky texture to skin care products. This polymer derived from simple acrylic acid, with its strong hydrophilicity and controllable physicochemical properties, continues to play an irreplaceable role as an “invisible cornerstone” on a broad stage from daily life to high-tech applications.

Polyacrylic Acid 's Procurement Guide

Procurement Guidelines
1. Sample Policy
We can provide a 2-3g free trial package (shipping fee required)

2. Batch procurement
Packaging: 25kg/bag; 220kg/barrel; Special packaging according to your needs
MOQ:1kg

3. Customized services
Concentration customization (90% -99%)
Paeonol’s outsourcing services

Paeonol

FAQ

The core is used for water treatment scale inhibition and dispersion, daily chemical thickening and moisturizing, coating dispersant, textile sizing, papermaking additive, agricultural water retaining agent, and is a highly versatile water-soluble polymer.

Low molecular weight: scale inhibition in water treatment, corrosion inhibition and dispersion in circulating water;
Medium and high molecular weight: daily chemical thickening, gel forming, water retention, flocculation and sedimentation.

Liquid Polyacrylic Acid can be mixed with water immediately and is suitable for continuous feeding in factories; Powder type transportation has low costs and is easy to store, suitable for formula compounding, high-end daily chemical products, and high concentration systems.

Sealed and stored in a cool place, protected from freezing and high temperature exposure; Belonging to general chemical goods, non hazardous, packaged in 25kg/drum and 1000kg ton drums, it is convenient for global sea and land transportation.

Related References

Pubchem-Polyacrylic Acid

Manufacturer of Polyacrylic Acid

Company Info

Zhishang Bio company in China that exports chemicals, Cosmetic raw materials, and Intermediates for over 70 countries now.
 
And a range of 50,000 products with the best quality and competitive price to meet your different purchasing needs.
 
The company integrates research and development, production, and trade, with a modern production base, advanced testing equipment, and an experienced technical team to ensure that products reach industry-leading levels in purity, stability, and environmental friendliness.

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