 One area of aspartic acid market growth is biodegradable superabsorbent polymers (SAP).The superabsorbent polymers market is anticipated to grow at a compound annual growth rate of 5.5% from 2014 to 2019 to reach a value of $8.78Bn globally.Around 75% of superabsorbent polymers are used in disposable diapers and an additional 20% is used for adult incontinence and feminine hygiene products.