Acrylamide ( Sodium polyacrylate copolymer) Supplier and Manufacturer

 

Acrylamide ( Sodium polyacrylate copolymer)

Sodium polyacrylate copolymer is a medium‐molecular‐weight, anionic additive used to reduce fluid loss in freshwater and seawater muds. This synthetic additive has a high temperature limit and is not subject to bacterial degradation.


CHARACTERISTICS AND PROPERTY


Physical appearance.....................Off‐white to cream flakes (powder)
Specific gravity...........................................................0.7‐0.8
pH (1% solution)....................................................................................7
Bulk density...............................................24.5 lb/ft3 (392 kg/m3)

 

APPLICATIONS

SODIUM POLYACRYLATE COPOLYMER copolymer is an effective additive for reducing fluid loss and stabilizing rheology in a wide range of water‐base systems, including low‐solids, non‐dispersed and dispersed weighted systems. It is most effective in freshwater fluids that are low in soluble calcium. SODIUM POLYACRYLATE COPOLYMER additive is used most often in low‐solids, non‐dispersed polymer systems such as the POLY‐PLUS* system and in high‐temperature applications. Normal treatments range from 0.5 to 1 lb/bbl (1.43 to 2.85 kg/m3).

A viscosity ʺhumpʺ can occur in non‐dispersed or high‐solids systems with the initial addition of SODIUM POLYACRYLATE COPOLYMER additive (when the concentration is low, ~0.1 lb/bbl [0.29 kg/m3]). Subsequent treatments reduce this viscosity ʺhumpʺ in clean, low‐solids muds. SODIUM POLYACRYLATE COPOLYMER additive attaches to clay particles and helps to form a protective colloid on exposed shales and encapsulated cuttings. SODIUM POLYACRYLATE COPOLYMER additive is also effective as a deflocculant and high‐temperature stabilizer in low‐solids systems at concentrations greater than 1 lb/bbl (2.85 kg/m3). Pilot tests are recommended prior to treating with SODIUM POLYACRYLATE COPOLYMER additive. ADVANTAGES

 

Reduces fluid loss and improves filter‐cake quality
Thermally stable to >400°F (>204°C)
Not subject to bacterial degradation
Stabilizes flow properties in high‐temperature environments in excess of 400°F (204°C)

 

LIMITATIONS

Highly anionic, precipitated by high concentrations of divalent cations such as calcium and magnesium
Total hardness must be maintained below 320 mg/L with soda ash
Should not be used in calcium systems such as lime, gyp or untreated seawater muds that have high concentrations of soluble calcium
TOXICITY AND HANDLING


Bioassay information is available upon request. Handle as an industrial chemical, wearing protective equipment and observing the precautions described in the Material Safety Data Sheet (MSDS). 

 

PACKING AND STORAGES

SODIUM POLYACRYLATE COPOLYMER additive is packaged in 50‐lb (22.7‐kg), multi‐wall, paper sacks. Store in a dry, well‐ventilated area. Keep container closed. Store away from incompatibles. Follow safe warehousing practices regarding palletizing, banding, shrink‐wrapping and/or stacking.

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