In this post, we will dive into the processes of spandex production. Lets go one by one: Polymer: The macromolecule (polymer) that makes up the synthetic fiber is the giant molecules formed as a result of the bonding of small molecules called mers (monomers) and which are identical to each other by covalent bonds. [...]
What is SPANDEX? How it was developed? Spandex is the general name of synthetic polymers (acrylics) that have a perfect elongation property and can take their old shape again when the strain is eliminated. They are also called as polyurethane elastomer fibers. In addition, lycra (lycra) is the trade name of spandex (elastane) fiber. [...]
Structure of Super Absorbent Polymers Superabsorbent polymers are non-toxic polymers that can absorb more than a hundred times their weight very quickly and do not release liquid under pressure. These polymers are used in diapers, adult diapers, feminine hygiene products, absorbent medical clothing, agricultural applications and other industrial applications. With its use in diapers, [...]
What is Super Absorbent Polymer (SAP)? How it was developed? Superabsorbent polymers are non-toxic polymers that can absorb more than a hundred times their weight very quickly and do not release liquid under pressure. These polymers are used in diapers, adult diapers, feminine hygiene products, absorbent medical clothing, agricultural applications and other industrial applications. [...]
With the improvement of the quality of life, diapers have become one of the necessities of consumers' daily life. Although their product coverage and sales volume are increasing year by year, there are still many problems in the diapers industry. The most complaints are diapers leakage and baby rash in the after-sales service of [...]
Equipments Tea bag, analytical ablance, clips, sealing machine, centrifuge, stop watch Reagants 0.9% Saline Solution Procedure Accurately weigh 0.2000 g. sample, pour it into the tea bag, seal it, and soak it in enough normal saline. After 30min, the tea bag was lifted out and hung with a long tail clip at an Angle [...]
