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Environment-friendly PVC (Polyvinyl Chloride) calcium-zinc stabilizer for toys and preparation method of calcium-zinc stabilizer

A technology of calcium zinc stabilizer and main stabilizer, applied in the field of PVC stabilizer, can solve the problems of bubbles in toy products, long-term injection molding discoloration, etc., and achieve the effect of good coating adhesion and good fluidity

Inactive Publication Date: 2018-03-09
DONGGUAN YEQING ELECTRIC IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are some problems and defects in the use of environmentally friendly toy stabilizers in the market, such as long-term injection discoloration, printing adhesion, fluidity, and bubbles in toy products.

Method used

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  • Environment-friendly PVC (Polyvinyl Chloride) calcium-zinc stabilizer for toys and preparation method of calcium-zinc stabilizer
  • Environment-friendly PVC (Polyvinyl Chloride) calcium-zinc stabilizer for toys and preparation method of calcium-zinc stabilizer
  • Environment-friendly PVC (Polyvinyl Chloride) calcium-zinc stabilizer for toys and preparation method of calcium-zinc stabilizer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A kind of environment-friendly calcium-zinc stabilizer for PVC toys, it is made up of the raw material of following mass percentage:

[0027]

[0028] The calcium salt primary stabilizer is a fatty acid calcium salt primary stabilizer mixed in any proportion, and the fatty acid calcium salt primary stabilizer is calcium stearate.

[0029] The zinc salt primary stabilizer is a fatty acid zinc salt primary stabilizer mixed in any proportion, and the fatty acid zinc salt primary stabilizer is zinc palmitate.

[0030] The hydrotalcite is magnesium-aluminum binary hydrotalcite and magnesium-aluminum-zinc ternary hydrotalcite mixed in any proportion, the molar ratio of Mg / Al2O3 in the magnesium-aluminum binary hydrotalcite is 4:1, and the magnesium-aluminum-zinc ternary hydrotalcite is 4:1. The molar ratio of ZnO / Mg / Al2O3 in the ternary hydrotalcite is 1:1:1;

[0031] The antioxidant is β-(3,5 di-tert-butyl-4-hydroxyphenyl) n-octadecyl propionate, three [2,4-di-tert-butyl...

Embodiment 2

[0036] A kind of environment-friendly calcium-zinc stabilizer for PVC toys, it is made up of the raw material of following mass percentage:

[0037]

[0038] The calcium salt primary stabilizer is a fatty acid calcium salt primary stabilizer mixed in any proportion, and the fatty acid calcium salt primary stabilizer is calcium laurate.

[0039] The zinc salt primary stabilizer is a fatty acid zinc salt primary stabilizer mixed in any proportion, and the fatty acid zinc salt primary stabilizer is seventeen-carbon fatty acid zinc.

[0040] The hydrotalcite is magnesium-aluminum binary hydrotalcite and magnesium-aluminum-zinc ternary hydrotalcite mixed in any proportion, the molar ratio of Mg / Al2O3 in the magnesium-aluminum binary hydrotalcite is 4.5:1, and the magnesium-aluminum-zinc ternary hydrotalcite is 4.5:1. The molar ratio of ZnO / Mg / Al2O3 in the ternary hydrotalcite is 1:0.5:1;

[0041] The antioxidant is β-(3,5 di-tert-butyl-4-hydroxyphenyl) n-octadecyl propionate; ...

Embodiment 3

[0046] A kind of preparation method of environment-friendly calcium-zinc stabilizer for PVC toys, it comprises the following steps:

[0047] 1) Add the hydrotalcite in the above formula into a high-speed mixer, and stir for 10 minutes at 45°C.

[0048] 2) Then continue to add the calcium salt main stabilizer, zinc salt main stabilizer and heterocyclic compound in the above formula, and stir for 20 minutes at 45°C;

[0049] 3) Finally, add the antioxidant and auxiliary stabilizer in the above formula, stir at 45°C for 20 minutes, and obtain an environmentally friendly calcium-zinc stabilizer for PVC toys after cooling.

[0050] In the above technical solution, the rotating speed of the high-speed mixer in step 1 and step 2 is 1000r / min.

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Abstract

The invention relates to the technical field of PVC stabilizers and in particular relates to an environment-friendly PVC (Polyvinyl Chloride) calcium-zinc stabilizer for toys and a preparation methodof the calcium-zinc stabilizer. The stabilizer is composed of 2-15% of a calcium-salt main stabilizer, 10-30% of a zinc-salt main stabilizer, 30-50% of hydrotalcite, 1-5% of an antioxidant, 3-10% of an auxiliary stabilizer, 5-20% of processing flow aids and 5-10% of a heterocyclic compound. The preparation method comprises the following steps: adding the hydrotalcite in formula ration into a high-speed stirrer, and stirring under the condition of 45-55 DEG C for 5-10 minutes; further adding the calcium-salt main stabilizer, the zinc-salt main stabilizer and the heterocyclic compound in the formula ration, and stirring under the condition of 45-55 DEG C for 10-20 minutes; and finally adding the antioxidant and the auxiliary stabilizer in the formula ration, stirring under the condition of 45-55 DEG C for 10-20 minutes, and cooling, thereby obtaining the environment-friendly PVC calcium-zinc stabilizer for toys. The product is excellent in liquidity, is not discolored even if processed for a long time and has excellent coating adhesion force, and any bubble does not exist in the toy product.

Description

technical field [0001] The invention relates to the technical field of PVC stabilizers, in particular to a calcium-zinc stabilizer for PVC environment-friendly toys and a preparation method thereof. Background technique [0002] 1. As the five general-purpose plastics, polyvinyl chloride (PVC) is widely used in various fields of use. PVC toys are one of PVC products, which are mainly processed from PVC, stabilizers, plasticizers and other materials. The stability, printability, processability and other aspects of PVC toys have a great impact. [0003] 2. The heat stabilizers in the PVC industry mainly include lead salts, metal soaps, organotin, rare earth, calcium and zinc stabilizers, but the most widely used heat stabilizers are lead salts and metal soaps. Lead salt stabilizers are cheap and have good thermal stability effects, but they are highly toxic, seriously endangering human health and polluting the environment. Organotin stabilizers have good thermal stability an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08L33/12C08K13/02C08K5/098C08K3/26
CPCC08L27/06C08L2201/08C08L33/12C08K13/02C08K5/098C08K3/26
Inventor 唐平伟
Owner DONGGUAN YEQING ELECTRIC IND
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