Many users seldom pay attention to the problem of the gel temperature of hydroxypropyl methylcellulose. Nowadays, hydroxypropyl methylcellulose is generally distinguished according to viscosity, but for some special environments and special industries, only the viscosity of the product is reflected. Not enough, the following briefly introduces the gel temperature of hydroxypropyl methylcellulose.
The content of methyl acid is directly related to the ester-forming degree of cellulose ester, and the content of methyl acid is adjusted to control the formulation, reaction temperature and reaction time. At the same time, the level of ether solution affects the content of hydroxyethyl or hydroxyapatite. Therefore, cellulose ethers at the typically elevated temperatures of the gel will be less wet. This manufacturing process has to be tangible, so instead of low levels of methoxides, cellulose ethers will be slightly higher in price.
Gel temperature was determined with methoxide and hydroxyproazepam with hydroxyproxin. Only three groups can be substituted on cellulose. Find the right temperature, conserve humidity, and determine the pulp pattern. The temperature of the gel is the critical point for the use of cellulose ether. When the ambient temperature exceeds the gel temperature, the cellulose ether will be released from the water. The temperature of the pulp on the market is mainly to meet the needs of the solution in the environment (except for special conditions). It is believed that when applying the solution, it is not necessary to pay special attention to the performance indicators when using the gel. Of course, the manufacturer of cellulose ether should take it into account this indicator.
Post time: Apr-21-2023