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A calcium-zinc composite and stabilizer technology, applied in the field of stabilizers, can solve the problems of reddening, thermal stability difficult to meet PVC processing requirements, etc., and achieve the effect of smooth surface, fast plasticizing speed and strong versatility
Inactive Publication Date: 2009-05-13
HANGZHOU OIL & FAT CHEM
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Problems solved by technology
The thermal stability of traditional solid calcium-zinc composite stabilizers is difficult to meet the processing requirements of PVC, especially for rigid PVC products, which are prone to initial coloring and reddening during processing
Method used
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Effect test
Embodiment 1
[0012] Embodiment 1, a kind of environment-friendly type calcium-zinc composite stabilizer, its raw material is composite calcium-zinc stearate soap, chelating agent, nano co-stabilizer, lubricant, antioxidant. Composite calcium zinc stearate soap is 15%, chelating agent 20%, nano co-stabilizer 40, lubricant 20, and antioxidant are 5%. Heat in the reactor at 130-140°C for 5 hours.
Embodiment 2
[0013] Embodiment 2, a kind of environment-friendly type calcium-zinc composite stabilizer, its raw material is composite calcium-zinc stearate soap, chelating agent, nano co-stabilizer, lubricant, antioxidant. Composite calcium zinc stearate soap is 25%, chelating agent 15%, nano costabilizer 35, lubricant 20, and antioxidant are 5%.
[0014] The preparation method of the environment-friendly calcium-zinc composite stabilizer is: add chelating agent, nano co-stabilizer, lubricant and antioxidant to composite calcium stearate and zinc soap, and heat in the reactor at 130-140°C for 8 Hour.
Embodiment 3
[0015] Embodiment 3, a kind of environment-friendly type calcium-zinc composite stabilizer, its raw material is composite calcium-zinc stearate soap, chelating agent, nano co-stabilizer, lubricant, antioxidant. Composite calcium zinc stearate soap is 40%, chelating agent 16%, nano co-stabilizer 24, lubricant 17, antioxidant are 3%.
[0016] The preparation method of the environment-friendly calcium-zinc composite stabilizer is: add chelating agent, nano co-stabilizer, lubricant and antioxidant to composite calcium stearate and zinc soap, and heat in a reactor at 130-140°C for 6 Hour.
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Abstract
The invention relates to an environment-friendly calcium-zinc composite stabilizer, which is characterized in that composite calcium stearate zinc soap, a chelating agent, a nano co-stabilizer, a lubricant and an antioxidant are taken as raw materials of the stabilizer, and the mixture ratio of the raw materials is as follows: 15 to 40 percent of the composite calcium stearate zinc soap, 14 to 20 percent of the chelating agent, 28 to 40 percent of the nano co-stabilizer, 15 to 20 percent of the lubricant, and 3 to 5 percent of the antioxidant. A composite calcium-zinc organic substance is formed by reaction of a nano organic auxiliary thermal stabilizer, an organic substance with chelating function, and calcium-zinc ions. The environment-friendly calcium-zinc composite stabilizer has strong commonality, quick plasticizing speed, smooth and bright surface, is nonmigratory, ageing-resistant and not tarnishable, and can be applied to various white PVC products.
Description
technical field [0001] The invention relates to a stabilizer, in particular to an environment-friendly calcium-zinc composite stabilizer. Background technique [0002] The main varieties of heat stabilizers currently used are lead salt stabilizers, organotin stabilizers, metal soap stabilizers, etc. Because lead salt stabilizers have greater advantages in terms of stability and cost, they have always been the first choice for heat stabilizers for PVC products. At present, lead salts are mostly used as stabilizers in domestic PVC processing. With the progress of society, the improvement of people's living standards and health requirements, and the enhancement of global environmental awareness, lead pollution has attracted increasing attention, and many fields have begun to implement lead ban programs. A large number of facts show that lead and cadmium compounds are extremely harmful to human health and seriously harmful to the environment. The use of heavy metal stabilizers...
Claims
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Application Information
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