Special low-smell non-phenol calcium zinc stabilizer for floor and preparation method thereof
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A calcium-zinc phenolate-free and low-odor technology is applied in the field of special low-odor calcium-zinc phenolate-free stabilizer and its preparation field, which can solve the problems of poor flame retardancy, poor thermal stability, etc. The effect of a high Young's modulus of elasticity
Inactive Publication Date: 2018-11-20
江苏嘉仁禾科技有限公司
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Problems solved by technology
The invention effectively solves the common problems of poor thermal stability and poor flame retardancy of heat stabilizers for polyvinyl chloride
Method used
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Embodiment 1
[0026] Weigh the following components:
[0027]
[0028] Prepare as follows:
[0029] (1) Add calcium stearate and zinc stearate in reaction container, and stir 60min at 60 ℃;
[0030] (2) Continue to add di-n-octyl phthalate, ethylene bisstearic acid amide, antioxidant 1010, magnesium stearate, and stir at 70°C for 60 minutes;
[0031] (3) Finally, add hexagonal boron nitride graphene, stir at 75°C for 30 minutes, and obtain a low-odor, phenol-free calcium-zinc stabilizer for floors after cooling.
Embodiment 2
[0033] Weigh the following components:
[0034]
[0035] Prepare as follows:
[0036] (1) Add calcium laurate and zinc stearate to the reaction vessel, and stir at 70°C for 50min;
[0037] (2) Continue to add diisodecyl phthalate, paraffin, antioxidant 1076, magnesium stearate, and stir at 80°C for 55 minutes;
[0038] (3) Finally, add hexagonal boron nitride graphene, stir at 85°C for 25 minutes, and obtain a low-odor, phenol-free calcium-zinc stabilizer for floors after cooling.
Embodiment 3
[0040] Weigh the following components:
[0041]
[0042] Prepare as follows:
[0043] (1) Add calcium isooctanoate and zinc phosphite into the reaction vessel, and stir at 80°C for 40 minutes;
[0044] (2) Continue to add diisodecyl phthalate, polyethylene wax, antioxidant 164, aluminum hydroxide, and stir at 80°C for 55min;
[0045] (3) Finally, add hexagonal boron nitride graphene, stir at 85°C for 25 minutes, and obtain a low-odor, phenol-free calcium-zinc stabilizer for floors after cooling.
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Abstract
The invention relates to a special low-smell non-phenol calcium zinc stabilizer for a floor and a preparation method thereof, and belongs to the technical field of heat stabilizers for polyvinyl chloride. The heat stabilizer comprises the following raw materials in percentage by mass: 20-45% of main stabilizer, 22-32% of plasticizer, 3-8% of antioxidant, 5-10% of graphene, 4-9% of lubricating agent, and 5-10% of additive. According to the heat stabilizer, boron nitride graphene is added to the formula, and the high specific surface area enables the enriching effect, so that the heat stabilizercan be greatly used in an ultra-permeable polyvinyl chloride product. The special low-smell non-phenol calcium zinc stabilizer for the floor is high in heat stabilizing performance, processing performance and flame retarding performance; and the heat stabilizing time reaches that of domestic and overseas like products.
Description
technical field [0001] The invention relates to a heat stabilizer for polyvinyl chloride, in particular to a low-odor, phenol-free calcium-zinc stabilizer for floors and a preparation method thereof. Background technique [0002] Polyvinyl chloride (PVC) plastic is one of the five general-purpose plastics. PVC is the first in my country and the second largest synthetic resin in the world. It has the advantages of low price, flame retardant, corrosion resistance, good transparency, and good electrical insulation. However, PVC The biggest disadvantage is poor thermal stability. At present, the industrial heat stabilizers used in PVC in the world mainly include lead salts, mixed metal salts, organic tin, organic antimony, organic auxiliary heat stabilizers, and rare earths. The world's largest output is still the traditional lead-based, barium-based, and cadmium-based stabilizers. However, affected by the technical barriers of the RoHS directive and the EUP directive and the c...
Claims
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Application Information
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