Formula and preparation method of special compound additive for polypropylene film material
A technology of polypropylene film and composite additives, which is applied in the chemical industry, can solve problems such as dust pollution, inaccurate addition amount, and harm to health, and achieve the effects of reducing the amount of addition, reducing the yellowness index, and increasing the tensile strength
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Embodiment 1
[0014] A special composite additive formula for polypropylene film materials, which includes 37% of antioxidant 626, 39% of antioxidant 1010, 17% of acid scavenger DHT-4A and 7% of nucleating agent Hyperform HPN-20E , the antioxidant 626 is bis(2,4-di-tert-butylphenol) pentaerythritol diphosphite, and the antioxidant 1010 is tetrakis[methyl-β-(3,5-di-tert-butyl- 4-hydroxyphenyl) propionate] pentaerythritol ester, the acid scavenger DHT-4A is hydrotalcite [Mg 6 al 2 (OH) 16 CO 3 4H 2 O].
[0015] A kind of preparation method of composite auxiliary agent special for polypropylene film material, it comprises the following steps,
[0016] (1) Mix the components and stir for 50 seconds at a stirring speed of 800 rpm at a temperature of 20°C;
[0017] (2) Take the components that have been stirred evenly and put them into an extrusion granulator for granulation. The temperature of the heating section of the extrusion granulator is 55°C, and the temperature of the head section ...
Embodiment 2
[0020] A special composite additive formula for polypropylene film materials, which includes 39% of antioxidant 626, 37% of antioxidant 1010, 19% of acid scavenger DHT-4A and 5% of nucleating agent Hyperform HPN-20E , the antioxidant 626 is bis(2,4-di-tert-butylphenol) pentaerythritol diphosphite, and the antioxidant 1010 is tetrakis[methyl-β-(3,5-di-tert-butyl- 4-hydroxyphenyl) propionate] pentaerythritol ester, the acid scavenger DHT-4A is hydrotalcite [Mg 6 al 2 (OH) 16 CO 3 4H 2 O].
[0021] A kind of preparation method of composite auxiliary agent special for polypropylene film material, it comprises the following steps,
[0022] (1) Mix the components and stir for 50 seconds at a stirring speed of 800 rpm at a temperature of 23°C;
[0023] (2) Take the components that have been stirred evenly and put them into an extrusion granulator for granulation. The temperature of the heating section of the extrusion granulator is 55°C, and the temperature of the head section ...
Embodiment 3
[0026] A special composite additive formula for polypropylene film materials, which includes 38% of antioxidant 626, 38% of antioxidant 1010, 16% of acid scavenger DHT-4A and 8% of nucleating agent Hyperform HPN-20E , the antioxidant 626 is bis(2,4-di-tert-butylphenol) pentaerythritol diphosphite, and the antioxidant 1010 is tetrakis[methyl-β-(3,5-di-tert-butyl- 4-hydroxyphenyl) propionate] pentaerythritol ester, the acid scavenger DHT-4A is hydrotalcite [Mg 6 al 2 (OH) 16 CO 3 4H 2 O].
[0027] A kind of preparation method of composite auxiliary agent special for polypropylene film material, it comprises the following steps,
[0028] (1) Mix the components and stir for 50 seconds at a stirring speed of 800 rpm at a temperature of 25°C;
[0029] (2) Take the components that have been stirred evenly and put them into an extrusion granulator for granulation. The temperature of the heating section of the extrusion granulator is 55°C, and the temperature of the nose section ...
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