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In most cases, pure spandex isn't used in garments, and instead, small quantities of this fabric are woven into other synthetic, semi-synthetic, or organic fibers. The base material used to make spandex is polyurethane , which was developed in 1937 by IG Farben in Germany. At the end ...
The process begins with the combination of monomers to form a sturdy, finely-grained para-aramid polymer. This material has the typical heat resistance and chemical properties of para-aramid. Step 2: Continuous filament yarn spinning Next, the polymer is dissolved in sulfuric acid to create a li...
Should you be worry on Ingredients of Cosmetic Products? Although researching the ingredients of skincare and cosmetic products may seem intimidating and time consuming, the rewards are worth it. Knowing the ingredients in the products that we are applying to our skin gives us an understanding of...
Besides, to protect your hair color, hair cuticles and the skin on the scalp, COOLA Organic Scalp & Hair Suncreen Mist is one of the easiest ways to do it. Just spray all over the hair, and voila, you are ready for your outing in the sun. I would reapply it during the day, if...
(1) The solubility performance (the solubility of Pullulan in the ethanol, the solubility of Pullulan in organic solvents) PULLULAN is a colorless, odorless, neutral, linear polymer material, which is easy to absorb water and expansion and dissolves unlimitedly in water. The dissolving speed is ...
Hodge P. Polymer-supported organic reactions: What takes place in the beads? Chem Soc Rev, 1997, 26: 417--424Hodge P. Polymer-supported organic reactions: what takes place in the beads?[J].Chemical Society Reviews 1997,6(6).Hodge P. Polymer-supported organic reactions: what takes place ...
Hi there! I found Peva material reusable ziplock bags for our food in my effort to find as many plastics substitutes as possible in our kitchen, but there’s no information on the internet as to if it leeches chemicals into food or not. Do you know if it does? Or can you suggest a...
Bio-sourced synthetics are obtained frombiopolymers, produced by processing renewable natural resources, and and therefore have a lower carbon footprint than synthetics derived from petrochemicals.The prefix “bio” does not mean that they are made from organic raw materials, but that they are made ...