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<\/p>","protected":false},"excerpt":{"rendered":"Hydroxypropyl methylcellulose is easily soluble in cold water, but difficult to dissolve in hot water. But its gelation temperature in hot water is significantly higher than that of methyl cellulose. The dissolution in cold water is also greatly improved compared with methyl cellulose. Hydroxypropyl methylcellulose is stable to acid and alkali, and its aqueous solution is very stable in the range of pH=2~12. Caustic soda and lime water have little effect on its performance, but alkali can speed up its dissolution and increase the viscosity. Hydroxypropyl methylcellulose is stable to common salts, but when the concentration of the salt solution is high, the viscosity of the hydroxypropyl methylcellulose solution tends to increase.<\/p>\n
<\/p>","protected":false},"excerpt":{"rendered":"
A hidroxipropilmetilcelulose \u00e9 facilmente sol\u00favel em \u00e1gua fria, mas dif\u00edcil de dissolver em \u00e1gua quente. Mas sua temperatura de gelifica\u00e7\u00e3o em \u00e1gua quente \u00e9 significativamente mais alta do que a da metilcelulose. A dissolu\u00e7\u00e3o em \u00e1gua fria tamb\u00e9m \u00e9 muito melhor em compara\u00e7\u00e3o com a metilcelulose. A hidroxipropilmetilcelulose \u00e9 est\u00e1vel a \u00e1cidos e \u00e1lcalis, e sua solu\u00e7\u00e3o aquosa [...]<\/p>","protected":false},"author":1,"featured_media":947,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[43],"tags":[],"class_list":["post-946","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blogs"],"acf":[],"yoast_head":"\n