Polyester is a category of polymers which contain the ester functional group in their main chain. Although there are many polyesters, the term "polyester" as a specific material most commonly refers to polyethylene terephthalate (PET). Polyesters include...
Polyphenylethene
Polyphenylethene IPA (IUPAC Polyphenylethene) is an aromatic polymer made from the aromatic monomer styrene, a liquid hydrocarbon that is commercially manufactured from petroleum by the chemical industry. Polystyrene is a thermoplastic substance, normally...
Soal dan Jawaban UAS Karet dan Plastik
1. Natural polymers are available in nature. Could you write several examples of natural polymers and their applications (UAS no 1 090824)Jawab:Silk: is applied mainly for expensive textilesNatural rubber: is applied for many different industrial application...
Polyethylene
Polyethylene or polythene (IUPAC name poly(ethene)) is a thermoplastic commodity heavily used in consumer products (notably the plastic shopping bag). Over 60 million tons of the material are produced worldwide every year.DescriptionPolyethylene is a...
Natural Rubber
Natural rubber is an elastic hydrocarbon polymer that naturally occurs as a milky colloidal suspension, or latex, in the sap of some plants. It can also be synthesized. The entropy model of rubber was developed in 1934 by Werner Kuhn. The scientific...
Epoxy Resin
In chemistry, epoxy or polyepoxide is a thermosetting epoxide polymer that cures (polymerizes and crosslinks) when mixed with a catalyzing agent or "hardener". Most common epoxy resins are produced from a reaction between epichlorohydrin and bisphenol-A....
Pembuatan Nata dari Mata Buah Nenas
BAB IPENDAHULUAN1. Latar BelakangBanyak sekali makanan yang dapat dihasilkan dari fermentasi bakteri Acetobacter xylinum salah satu yang banyak digunakan saat ini adalah untuk pembuatan nata. Nata adalah biomassa yang sebagian besar terdiri dari sellulosa,...
