Processing auxiliary and preparing method and application thereof
A technology of processing aids and extrusion equipment, which is applied in the field of polyolefin processing, can solve problems affecting the mechanical properties and performance of materials, and achieve the effects of maintaining molecular weight and mechanical properties, reducing costs, and simplifying the preparation process
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[0027] Such as figure 1 As shown, the preparation method according to the processing aid of the present invention mainly comprises the following steps:
[0028] 1a) Prepare each component according to the formula ratio, mix α-tocopherol, phosphite, dilauryl thiodipropionate, polyethylene glycol 2000 evenly and heat to 80°C-120°C to melt.
[0029] 1b) Add polybasic acid and polyamine to the mixture obtained in 1a), and stir for 30min-60min until the mixture is uniform.
[0030] 1c) The mixture obtained in 1b) was allowed to stand for 2h-4h to fully react.
[0031] 1d) Cool the reaction product obtained in 1c) and grind it to 40-60 mesh to obtain a processing aid.
[0032] Such as figure 2 Shown, utilize the processing aid prepared by above-mentioned method to prepare high-quality polyolefin, generally comprise the following steps:
[0033] 2a) Mix the polyolefin powder and the processing aid at a weight ratio of 1000:1-5 to prepare a blended material.
[0034] In this ste...
Embodiment 1
[0037] The processing aid of the embodiment of the present invention 1 comprises each component of following percentage by weight:
[0038]
[0039]
[0040] The preparation method of the processing aid of the embodiment of the present invention 1 comprises the following steps:
[0041] 1a) 6 grams of α-tocopherol, 25 grams of phosphite, 28 grams of dilauryl thiodipropionate, and 5 grams of polyethylene glycol 2000 were mixed uniformly and heated to 80°C to melt;
[0042] 1b) Add 15 grams of phosphoric acid and 5 grams of polyethylene polyamine to the mixture obtained in 1a), and stir for 30 minutes to make it evenly mixed;
[0043] 1c) 1b) the resulting mixture was allowed to stand for 3h to fully react;
[0044] 1d) The reaction product obtained in 1c) was cooled and ground to 40 mesh to obtain a processing aid.
[0045] Using the processing aid prepared by the above method to prepare high-quality polyolefin generally includes the following steps:
[0046] 2a) unifo...
Embodiment 2
[0049] The processing aid of the embodiment of the present invention 2 comprises each component of following percentage by weight:
[0050]
[0051]
[0052] The preparation method of the processing aid of the embodiment of the present invention 2 comprises the following steps:
[0053] 1a) 6 grams of α-tocopherol, 25 grams of phosphite, 28 grams of dilauryl thiodipropionate, and 5 grams of polyethylene glycol 2000 were mixed uniformly and heated to 80°C to melt;
[0054] 1b) Add 15 grams of boric acid and 5 grams of polyethylene polyamine to the mixture obtained in 1a), and stir for 30 minutes to make it evenly mixed;
[0055] 1c) 1b) the resulting mixture was allowed to stand for 3h to fully react;
[0056]1d) The reaction product obtained in 1c) was cooled and ground to 50 mesh to obtain a processing aid.
[0057] Using the processing aid prepared by the above method to prepare high-quality polyolefin generally includes the following steps:
[0058] 2a) uniformly m...
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