Why is China's stock market falling and how might it affect the global economy? Concerns about inflation, shares and interest rates are raised after âBlack Mondayâ chaos sees billions wiped off markets around the globe.
A polyol is an alcohol containing multiple hydroxyl groups. In two technological disciplines the term polyol has a special meaning: food science and polymer chemistry.n polymer chemistry, polyols are compounds with multiple hydroxyl functional groups available for organic reactions. A molecule with two hydroxyl groups is a diol, one with three is a triol, one with four is a tetrol and so on.
Poly (acrylic acid) (PAA) is hygroscopic, brittle and colorless in nature with Tg at nearly 106 o C. At temperatures above 200 to 250 o C, it loses water and becomes an insoluble crosslinked polymer anhydride. synthesizing poly(N-isopropylacrylamid e)-block-PAA copolymer which responds to both temperature and pH stimuli 2. â¢ in preparing block copolymer of oligo (methyl methacrylate)/PAA for micellar delivery of hydrophobic drugs 3. â¢ as thickening agent for adhesives.