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Zinc stearate mixture, preparation process thereof, calcium-zinc stabilizer and preparation method thereof

A calcium-zinc stabilizer, a technology of zinc stearate, applied in the field of calcium-zinc stabilizer and its preparation, can solve problems such as quantity increase, and achieve the effects of small hue, wide application range and excellent thermal stability

Inactive Publication Date: 2017-08-11
JIANGSU LIANMENG CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the high price limits its large growth in quantity
Calcium-zinc composite stabilizer is often recommended to replace lead salt due to its non-toxicity, but it is only used in the production of soft PVC products

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A zinc stearate mixture, which contains low melting point wax and zinc stearate in the component, the mass ratio of low melting point wax and zinc stearate is 1:20; Wherein, the fusing point of described low melting point wax is 48°C.

[0029] The steps of the preparation process of the zinc stearate mixture include: adding low melting point wax and zinc stearate into a reaction kettle to melt together, and then pressing together, cooling and crushing to obtain the zinc stearate mixture.

[0030] A kind of calcium zinc stabilizer, the component that it contains and each component mass parts are as follows:

[0031] Lubricant: 5 parts;

[0032] Zinc stearate mixture: 10 parts;

[0033] Calcium stearate: 5 parts;

[0034] Antioxidant: 0.5 part;

[0035] Calcium carbonate: 10 parts;

[0036] The lubricant is polyethylene wax.

[0037] The antioxidant is antioxidant 1010.

[0038] The steps of the preparation method of calcium zinc stabilizer are as follows:

[0039...

Embodiment 2

[0042] A kind of zinc stearate mixture, has low-melting point wax and zinc stearate in the component that it contains, and the mass ratio of low-melting point wax and zinc stearate is 5:20; Wherein, the fusing point of described low-melting point wax is 50°C.

[0043] The steps of the preparation process of the zinc stearate mixture include: adding low melting point wax and zinc stearate into a reaction kettle to melt together, and then pressing together, cooling and crushing to obtain the zinc stearate mixture.

[0044] A kind of calcium zinc stabilizer, the component that it contains and each component mass parts are as follows:

[0045] Lubricant: 15 parts;

[0046] Zinc stearate mixture: 30 parts;

[0047] Calcium stearate: 15 parts;

[0048] Antioxidant: 5 parts;

[0049] Calcium carbonate: 50 parts.

[0050] The lubricant is polyethylene wax.

[0051] The antioxidant is antioxidant 1010.

[0052] The components contained in the calcium zinc stabilizer also have au...

Embodiment 3

[0057] A kind of zinc stearate mixture, has low-melting point wax and zinc stearate in the component that it contains, and the mass ratio of low-melting point wax and zinc stearate is 3:20; Wherein, the fusing point of described low-melting point wax is 58°C or 60°C.

[0058] The steps of the preparation process of the zinc stearate mixture include: adding low melting point wax and zinc stearate into a reaction kettle to melt together, and then pressing together, cooling and crushing to obtain the zinc stearate mixture.

[0059] A kind of calcium zinc stabilizer, the component that it contains and each component mass parts are as follows:

[0060] Lubricant: 10 parts;

[0061] Zinc stearate mixture: 20 parts;

[0062] Calcium stearate: 10 parts;

[0063] Antioxidant: 3 parts;

[0064] Calcium carbonate: 30 parts.

[0065] The lubricant is polyethylene wax.

[0066] The antioxidant is antioxidant 1010.

[0067] The calcium zinc stabilizer also has auxiliary materials in ...

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Abstract

The invention discloses a zinc stearate mixture, a preparation process thereof, a calcium-zinc stabilizer and a preparation method thereof. Components contained in the zinc stearate mixture include low-melting-point wax and zinc stearate, the mass ratio of the low-melting-point wax to the zinc stearate is (1-5) to 20, and the melting point of the low-melting-point wax is 40-70 DEG C. The components contained in the zinc stearate mixture include the low-melting-point wax and the zinc stearate, the mass ratio of the low-melting-point wax to the zinc stearate is (1-5) to 20, and the melting point of the low-melting-point wax is 40-70 DEG C. The zinc stearate mixture is applied to the calcium-zinc stabilizer, so that the calcium-zinc stabilizer is good in heat stability, small in initial color phase and free of precipitation phenomena.

Description

technical field [0001] The invention relates to a zinc stearate mixture and a preparation process thereof, a calcium-zinc stabilizer and a preparation method thereof. Background technique [0002] At present, with the enhancement of environmental protection awareness in all countries in the world, environmental protection laws and regulations are gradually improved, especially the hygienic requirements for plastic products such as medicine, food processing, daily necessities, and toy plastics. Lead and cadmium salt stabilizers will eventually be completely replaced by non-toxic PVC stabilizers. replaced. The production of foreign plastic additives will tend to be large-scale and specialized, environmental protection requirements are highly valued, and efficient and multi-functional. Research and development of new environmentally friendly and non-toxic PVC stabilizers has become an inevitable trend. The non-toxic direction of PVC heat stabilizers is mainly concentrated in t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L91/06C08K5/098C08L23/06C08K13/02C08K3/26C08K5/134
CPCC08K5/098C08K2003/265C08K2201/014C08L23/06C08L2201/08C08L91/06C08K13/02C08K3/26C08K5/1345
Inventor 王京胜周腊芳于治中
Owner JIANGSU LIANMENG CHEM
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