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描述
biological oxygen demand (BOD) 14,000 ppm
质量水平
表单
powder
自燃温度
752 °F
分子量
average Mw ~370,000
杂质
<5 wt. %
粒径
20 mesh (99% through)
pH值(酸碱度)
5.0-8.5
界面张力矿物油
12.5 dyn/cm, 0.1 wt. % in H2O (vs. mineral oil)
粘度
150-400 cP, 2 wt. % in H2O(25 °C, Brookfield, spindle #2) (60 rpm)(lit.)
溶解性
H2O: insoluble (above 45 °C)
polar organic solvents: soluble
密度
0.5 g/mL at 25 °C (lit.)
SMILES字符串
N(C)(C)c1cc(c(cc1)C(N)CC)C
InChI
1S/C12H20N2/c1-5-12(13)11-7-6-10(14(3)4)8-9(11)2/h6-8,12H,5,13H2,1-4H3
InChI key
RRHXDYJWVYFMKV-UHFFFAOYSA-N
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一般描述
羟丙基纤维素(HPC)是一种非离子衍生物纤维素。它是一种热敏、可生物降解的聚合物,具有较低的临界溶液温度。
应用
羟丙基纤维素可 用于制备用于药物递送系统的复合纳米球。 甲基丙烯酸羟丙酯/羟基纤维素接枝共聚物 可用作控释片的基质。 它也可以用作电解质添加剂,制备用于染料敏化太阳能电池的凝胶聚合物电解质。
储存分类代码
11 - Combustible Solids
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, type N95 (US)
Catherine Boissier et al.
Journal of pharmaceutical sciences, 101(7), 2512-2522 (2012-04-28)
Nuclear magnetic resonance (NMR) cryoporometry and scanning electron microscopy (SEM) image analysis have been used to investigate the size and shape distribution of pores in pharmaceutical coatings. The coatings were made from a mixture of hydroxypropylcellulose (HPC) and ethylcellulose (EC).
Homendra Naorem et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 101, 67-73 (2012-10-27)
The formation constant of triiodide ions from iodine-iodide equilibrium in aqueous-organic solvent or polymer mixed media have been determined spectrophotometrically at three different temperatures 20, 30 and 40°C. The organic solvents chosen for the study are ethylene glycol, 2-methoxy ethanol
Chirangano Mangwandi et al.
International journal of pharmaceutics, 427(2), 328-336 (2012-03-07)
Being able to predict the properties of granules from the knowledge of the process and formulation variables is what most industries are striving for. This research uses experimental design to investigate the effect of process variables and formulation variables on
A Aykut-Yetkiner et al.
Journal of dental research, 92(3), 289-294 (2013-01-15)
The objective of this in vitro study was to investigate the effects of viscosity changes of different acidic solutions on dental erosion. Bovine enamel samples (n = 240, Ø = 3 mm) were embedded in acrylic resin and were allocated
Alexandre Monteiro et al.
Drug development and industrial pharmacy, 39(2), 266-283 (2012-04-17)
Nanoparticles of BCS Class II drugs are produced in wet stirred media mills operating in batch or recirculation mode with the goal of resolving the poor water-solubility issue. Scant information is available regarding the continuous production of drug nanoparticles via
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