Fabrication of a novel high-performance leather waste-based composite retention aid

Abstract

A novel biomass composite retention aid was developed by using collagen hydrolysate extracted from collagen waste as starting material, glutaraldehyde as organic crosslinking agent and polymeric aluminum chloride as inorganic modifying agent.

Biopolymer-based flocculants: a review of recent technologies

“…In another study, a kind of leather waste-based composite was prepared by using collagen wastes as starting materials. This flocculant has good retention performance, and the best retention rate was more than 85% at the dosage of 0.6 wt.% (You et al 2019). A starch-based flocculant was synthesized by graft copolymeriz a t i o n o f s t a r c h w i t h a c r y l a m i d e ( A M ) a n d diallyldimethylammonium chloride (DADMAC).…”

“…Retention aids are usually used in papermaking process. They play an important role in the aggregation of fillers and fine fiber powders in pulp suspension, and can improve the retention performance in the paper-making process (You et al 2019 ). For the aim of non-toxicity, some studies try to use biopolymer-based flocculants as retention aids.…”

Spherical Polyelectrolyte Brushes as Flocculants and Retention Aids in Wet-End Papermaking

“…Through this review, a new direction in retention aids in wet-end papermaking, where we see great potential for SPBs, is highlighted, emphasizing the structure-function relationship with respect to retention performance. Finally, the exist- Over the past several years, intense research on new types of retention aids has resulted in an enormous number of fundamental [8][9][10][11] and applied studies [12][13][14][15] due to their significant effect on paper stock quality, and the operation efficiency of paper machines. The retention efficiencies of retention aids are of great significance, especially under high shear condition.…”