Hydroxyl stearate and polymer material
A technology of hydroxystearate and monohydroxystearate, which is applied in the field of hydroxystearate and polymer materials, can solve problems such as poor compatibility, transparency and surface gloss, and achieve increased toughness and improved mechanical properties. Processability, the effect of increasing the haze of the product
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Embodiment 1
[0029] The hydroxystearate nucleating agent is prepared by a one-step method: lanthanum chloride, magnesium chloride, and sodium hydroxide are formulated into 70g / L, 70g / L, and 30g / L solutions. Add 24.26 grams of 12-hydroxystearic acid, 80 ml of lanthanum chloride solution, and 20 ml of magnesium chloride solution into the reactor, stir and heat to 85° C., add dropwise 114 ml of sodium hydroxide solution, drop it in 60 minutes, and then react for 10 minutes. Filter with suction, wash twice with deionized water, and dry at 80-90° C. for 5 hours to obtain 24.63 grams of white powder. What the present embodiment makes is 12-hydroxy stearate. The nucleating agent and polypropylene T30S, BR4220 are made into sample films. When proportioning, the hydroxystearate nucleating agent prepared above with a mass of 0.001%, 0.1%, 0.3%, 0.5%, and 5% of the mass of polypropylene T30S and BR4220 is added to the polypropylene.
Embodiment 2
[0031] The hydroxystearate nucleating agent is prepared by a one-step method: praseodymium nitrate and sodium hydroxide are formulated into 70g / L and 30g / L solutions. Add 13.71 grams of 12-hydroxystearic acid and 100 ml of praseodymium nitrate solution to the reactor respectively, stir and heat to 85°C, add 65 ml of sodium hydroxide solution dropwise, drop it within 60 minutes, react for another 10 minutes, suction filter, and use Wash twice with deionized water and dry at 80-90°C for 5 hours to obtain 14.56 g of white powder. What the present embodiment makes is 12-hydroxy stearate. The nucleating agent and polypropylene T30S, BR4220 are made into sample films. When proportioning, the hydroxystearate nucleating agent prepared above with a mass of 0.001%, 0.1%, 0.3%, 0.5%, and 5% of the mass of polypropylene T30S and BR4220 is added to the polypropylene.
Embodiment 3
[0033]The hydroxystearate nucleating agent is prepared by a one-step method: lanthanum nitrate, zinc sulfate, and sodium hydroxide are formulated into 70g / L, 70g / L, and 30g / L solutions. Add 20.8 grams of 9,10-dihydroxystearic acid, 70ml of lanthanum nitrate solution, and 30ml of zinc sulfate solution into the reactor, stir and heat to 85°C, add 92ml of sodium hydroxide solution dropwise, finish dropping within 60 minutes, and then react After 10 minutes, filter with suction, wash twice with deionized water, and dry at 80-90° C. for 5 hours to obtain 20.32 g of white powder. In this example, 9,10-dihydroxystearate was prepared, that is, the hydroxystearate had two hydroxyl groups. The powder was compounded with 2 grams of organic silicone. The nucleating agent and polypropylene T30S, BR4220 are made into sample films. The organosilicone in this embodiment can be replaced by other organosilicon compounds in the prior art, which has achieved a similar effect. This is the prior ...
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