Papermaking Dispersant Polyacrylamide
Papermaking dipersand polyacrylamide is aproduced under hydrolysis process and homopolymerization of acrylamide and alkaline, then through processes of granulating, dring and grinding. It appearances to be small white particles. The product is economic and easy to use. It can enhence fiber’s extension and dispersion and make it uniformly form paper.
Product Description
Classes and performance index
| Brand | Molecular weight(million) | Hydrolysis degree% | Solid content% | PV Value | Monomer Residual% |
| HTF-1 | 15-25(adjustable) | 25-35(adjustable) | ≥89 | 5-14 | ≤0.05 |
| HTF-2 | 15-30(adjustable) | 15-30(adjustable) | |||
| HTF-3 | 8-22(adjustable) | 10-25(adjustable) | |||
| HTF-4 | 6-20(adjustable) | 6-20(adjustable) |
Applications
Polyacrylamide is used in the production process of papers, such as white board, coated paper, paperboard and printing paper, which use wood pulp, straw pulp and waste paper pulp as raw material.Mainly used as reinforcing agent in papermaking process, as fine fiberfill retention agent and filter aid.
When used as retention agent and filter aid, polyacrylamide can increase the retention of net fibers and other wet part additives, speed up network filtration and dry part dehydration. Retention of ash is significantly increased. Retention rate of first layer fiber is averagely increase more than 10%.Rentention of starch is increased, creating favorable conditions for the use of starch as interlayer reinforcing agent.
Paperselling profits are increased. Meanwhile, filler cost is also cut down. Water filtration ability is greatly improved, which guarantees a corresponding increase of speed at 8-10%(average).Generally speaking, large molecular weight polymers have better retention performances while low molecular weight polymers have better filtration ability. When used as dispersand. it can improve the uniformity of paper sheets.
Can be used as flocculant for paper pulp wastewater treatment. Remove the organic parts of the wastewater. To be combined used with inorganic flocculants. It can separate out the precipitation, with a clearness rate at 70-80%.It can relieve the overproof problem of wastewater’s COD.
Packaging and Storage
Packaging: 25kg paper-plastic bag packing or according to customer’s requires. Dry powder products easily absorb moisture and cake under prolonged exposure. To be stored in a cool, dry and well ventilated place.
