Concept
Polylactic acid
Related publications (126)
Continuous production of lactic acid from whey permeate by Lactobacillus helveticus in a cell-recycle reactor
The prodn. of lactic acid in a cell-recycle reactor was investigated. Studies were conducted with L. helveticus on a supplemented whey permeate medium. At 42 Deg and pH 5.5, the biomass was kept const. at 21.3 g/L. The volumetric lactic acid productivity w ...
1991Rapidly degraded terpolymers of dl-lactide, glycolide, and epsilon-caprolactone with increased hydrophilicity by copolymerization with polyethers
A series of 66 terpolymers of dl-lactide, glycolide, and epsilon-caprolactone was synthesized for the purpose of identifying those materials which exhibited rapid degradation in vitro. Polymers having half-lives from a few weeks to several months were iden ...
1990Poly(dimethyldiallylammonium chloride) - synthesis and uses
A review with 10 refs., mostly on the authors' work, on the prepn., cyclization, and uses of the title polymer. [on SciFinder (R)] ...
1988High-molecular-weight, water-soluble polyammonium compounds
The title polymers, useful in coatings, paper manuf., etc., are prepd. by polymg. H2O-sol. di-2-alkenyldialkylammonium compds. in aq. solns. contg. peroxydisulfates, basic N compds., and pH control agents. Thus, a soln. 2.8 M in (CH2:CHCH2)2NMe2+ Cl-, 0.02 ...
(Akademie der Wissenschaften der DDR, Institut fuer Polymerenchemie, Ger. Dem. Rep.).1982