Хидроксипропил метил целулозен HPMC

The finished product of hydroxypropyl methylcellulose is in the form of white powder or white loose fibrous solid, and the particle size passes through an 80-mesh sieve. The different ratios of methoxy content and hydroxypropyl content and different viscosities of the finished products result in different varieties with different performances. It has the characteristics of Като разтворим в студена вода и неразтворим в гореща вода, подобно на метилцелулозата, и разтворимостта му в органични разтворители надвишава разтворимостта му във вода ., той може да бъде разтворен в безводен метанол и етанол, както и в хлорирани въглеводороди isopropanol and diacetone alcohol. When dissolved in water, it combines with water molecules to form a colloid. It is stable to acids and alkalis and is not affected in the range of pH=2 to 12. Although hydroxypropyl methylcellulose is non-toxic, it is flammable and will произвеждат насилствени химични реакции с окислители .