Metal oxide-hexanehexol compound heat stabilizer, preparation method and application in PVC
A technology of heat stabilizer and hexanol, applied in the field of plastic processing aids, can solve the problems of complex heat stabilizer preparation, complicated preparation method of stabilizer, etc., and achieve simple components, good initial colorability, and good market prospects. Effect
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Embodiment 1
[0023] The preparation of embodiment 1 metal oxide-hexanehexanol composite thermal stabilizer
[0024] Mannitol (5.47g, 0.03mol) and zinc oxide (2.44g, 0.03mol) were added into a 250mL three-necked flask at a molar ratio of 1:1, mechanically stirred at a stirring rate of 50rpm, and in an air atmosphere, The reaction was carried out in an oil bath at 200° C. for 2 hours. After cooling, the product is ground into fine powder and sieved with a 200-mesh steel sieve to obtain the zinc oxide-mannitol complex.
Embodiment 2~5
[0026] The method of Example 1 was used to prepare the metal oxide-hexanehexanol composite, except that the type of metal oxide was changed, as shown in Table 1.
[0027] Table 1
[0028] Example serial number
Embodiment 6、7
[0030]The method in Example 1 was used to prepare the metal oxide-hexyl alcohol composite, the metal oxide was zinc oxide, and the type of hexyl alcohol was changed, see Table 2.
[0031] Table 2
[0032] Example serial number
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