WebPolyethylene glycol (PEG; / ˌ p ɒ l i ˈ ɛ θ əl ˌ iː n ˈ ɡ l aɪ ˌ k ɒ l,-ˈ ɛ θ ɪ l-,-ˌ k ɔː l /) is a polyether compound derived from petroleum with many applications, from industrial manufacturing … WebSep 29, 2014 · PTT (poly (trimethylene terephthalate)) is also a synthetic aromatic polyester with terephthalic acid and propylene glycol units. Both of PET and PTT are thermoplastics and they are used for ...
Properties of Polyether - polymerdatabase.com
WebApr 10, 2006 · 2.3. Preparation of nanoparticles and their characterization2.3.1.Nanoparticle preparation by the salting out method . For the preparation of PTMC nanoparticles, 5.5 ml THF solutions containing 1 to 4 wt.% polymer were emulsified in 10 ml aqueous solutions under mechanical stirring at 6500 to 24 000 rpm for 40 s using a homogenizer (T25 … WebJan 1, 2014 · PET (poly (ethylene terephthalate)) is one of the synthetic semi-aromatic polyesters and has terephthalic acid and ethylene glycol units in main chain. PTT (poly (trimethylene terephthalate)) is also a synthetic aromatic polyester with terephthalic acid and propylene glycol units. Both of PET and PTT are thermoplastics and they are used for ... fly stl certification
肝素碳酸钙微囊的制备及其药物缓释性能 - 豆丁网
WebTriethylene glycol, TEG, or triglycol is a colorless odorless viscous liquid with molecular formula HOCH 2 CH 2 OCH 2 CH 2 OCH 2 CH 2 OH. It is used as a plasticizer for vinyl polymers.It is also used in air sanitizer products, such as "Oust" or "Clean and Pure". When aerosolized it acts as a disinfectant. Glycols are also used as liquid desiccants for natural … WebAug 1, 2012 · ABSTRACT Poly(trimethylene terephthalate)/poly(propylene glycol) (PTT/PPG) copolymers with different PPG molecular weights (400–4,000 g /mol) were successfully ... WebShowing 1-30 of 299 results for "poly(tetramethylene oxide)glycol" within Products Products Genes Papers Technical Documents Site Content Chromatograms Filter & Sort flystl airport