Quid interestTPUet PU?
TPU (Polyurethane Elastomer)
TPU (Thermoplastic Polyurethane Elastomer)est emergentes plastic varietate. Ex suo bono processability, tempestate resistentiam et environmental amicitia, tpu est late in related industries ut calceus materiae, tibia, films, scutulis, funem, et filis.
Polyurethane Thermoplastic Elasomer, etiam quae thermoplastic polyurethane Purgamentum, abbreviated as TPU, est genus (AB) N-Clausus linearibus polymer. A est altus molecular pondus (1000-6000) polyester et polyether, et B est Diol quibus 2-12 rectum torquem carbon atoms. Chemical structuram inter AB segmentis Diisocyanate plerumque coniuncta MDI.
Thermoplastic polyurethane rubber innititur in intermolecular hydrogenii vinculum aut mitis crucem-vinculum inter Macromolecular vincula et haec duo crucem-vinculum structurae sunt reversible cum augendae vel decrescis temperatus. In solution et solution, intermolecular copiae debilitari, et post refrigerationem vel solvendo evaporatio, fortis intermolecular copias connect unum, restituendo proprietatibus originali solid.
Polyurethane thermoplastic elastomersPotest classificatis duo genera Polyester et Polyether, cum albo irregularibus sphaericis et columnar particulas et relativum densitatem 1.10-1.25. Et Polyether genus habet inferiorem relativum densitas quam polyester genus. In speculum transitus temperatus polyether genus est 100.6-106.1 ℃, et quod Polyester genus est 108.9-122.8 ℃. Et fragtileness temperatus de polyether type et polyester genus est inferior quam -62 ℃, cum humilis temperatus resistentia durum aether genus est melius quam quod polyester genus.
Polyurethane Outstanding Characteristics Elastomers optimum gerunt resistentia, optimum ozone resistentia, princeps duritia, princeps vires boni elasticitate, humilis temperatus resistentia boni resistentia, eget resistentia et environmental resistentia. In umida ferendum, hydrolysis stabilitatem Polyether esters longe excedit quod polyester types.
Polyurethane thermoplastic elastomers sunt non-toxicus et odorless, solutum in solvents ut methyl aether, cyclohexanone, tetrahydrofuran, dioxane, et Dimethylformamide, quod etiam in mixta composito ex tetrahydrofuran, et in mixta et Dimethylformamide, ac in mixta solvents ex tetrahydrofurs, et in mixta solvents composito tetraone, et ethyl acetate, butanone, et acetone in opportunitate. Et exhibent a hyalina et transparent rei publicae et bona repono stabilitatem.
Post tempus: Apr-22-2024