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A heat stabilizer and liquid technology, applied in the direction of plastic/resin/wax insulators, organic insulators, etc., can solve problems such as foaming, stable body coloring, etc., achieve good synergy, improve initial coloring, and improve stability.
Inactive Publication Date: 2011-11-23
杭州三叶新材料股份有限公司
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Problems solved by technology
[0003] One of the purposes of the present invention is to study a special liquid heat stabilizer for cables and wires to solve the problem that aminouracil causes coloring or foaming of the stable system during the preparation of PVC cable and wire materials. One purpose of the present invention is to screen out Nitrogen-containing organic matter suitable for metal soap system liquid stabilizer, the stability of PVC cable and wire products obtained from this is ideal
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Embodiment 1
[0027] Embodiment 1: In parts by weight, get respectively 50 parts of calcium carboxylate, 8 parts of zinc carboxylate, 5 parts of magnesium carboxylate, 15 parts of barium carboxylate, 5 parts of diphenylthiourea, 7 parts of sorbitol, 20 parts of phosphite, 0.2 parts of 2,5-diphenyl, 1,3,4-oxadiazole, 2 parts of 6-amino-1,3-diphenyluracil, compounded.
[0028] Organic liquid one-component substances of calcium metal 40-60, organic liquid one-component substances of zinc metal 5-20, organic liquid one-component substances of magnesium metal 5-20, organic liquid one-component substances of barium metal 15- 40, or 5-20, phosphite 5-8, oxadiazole derivatives 0.05-5, aminouracil 1-10.
Embodiment 2
[0029] Embodiment 2: in parts by weight, get respectively 25 parts of calcium carboxylate, 25 parts of zinc carboxylate, 5 parts of magnesium carboxylate, 25 parts of barium carboxylate, 8 parts of stearyl benzene, 3 parts of pentaerythritol, phosphorous acid 30 parts of ester, 2,5-diphenyl, 0.5 parts of 1,3,4-oxadiazole, 4 parts of 6-amino-1,3-diphenyluracil, compounded.
Embodiment 3
[0030] Embodiment 3: in parts by weight, get respectively 25 parts of calcium carboxylate, 25 parts of zinc carboxylate, 5 parts of magnesium carboxylate, 25 parts of barium carboxylate, 3 parts of cadmium carboxylate, 8 parts of stearyl benzene, 3 parts of pentaerythritol, 30 parts of phosphite, 0.5 parts of 2,5-diphenyl, 1,3,4-oxadiazole, 4 parts of 6-amino-1,3-diphenyluracil, compounded .
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Abstract
The invention relates to a liquid heat stabilizer special for cable wires. The formula of the liquid heat stabilizer comprises the following components in portion by weight: 40 to 60 portions of organic liquid single-component substance of calcium metal, 5 to 20 portions of organic liquid single-component substance of zinc metal, 5 to 20 portions of organic liquid single-component substance of magnesium metal, 15 to 40 portions of organic liquid single-component substance of barium metal, 5 to 20 portions of diphenyl thiourea or stearoyl benzene alkyl, 3 to 10 portions of polyalcohol, 20 to 50 portions of phosphite ester, 0.05 to 5 portions of oxadiazoles derivatives, and 1 to 10 portions of amino uracil. The best effect of nitrogen-containing organic substances is the collaborative effect of 6-amino-1, 3-diphenyl uracil, and 2,5-diphenyl-1,3,4-oxadiazoles. The liquid heat stabilizer has the advantages of good collaborative effect of components and good stability and lubricating effect, integrally improves the stability for processing PVC, and can effectively improve the initial tinting of the PVC and solve the foaming problem.
Description
technical field [0001] The invention relates to a chemical auxiliary agent, in particular to a special liquid thermal stabilizer for cables and wires. Background technique [0002] Polyvinyl chloride (PVC) has been widely used in wire and cable insulation and sheathing. The transformation of my country's power grid, the rapid development of the automobile industry and the communication industry have provided unprecedented opportunities for the development of wire and cable companies. However, PVC cable materials using traditional heat stabilizers either have toxic and harmful substances exceeding the standard, fail to meet environmental protection requirements, or meet environmental protection requirements, but the product itself has low thermal stability and poor electrical insulation. PVC is affected by heat, mechanical shear force, oxygen and light during processing and use, and it is easy to degrade and damage - the apparent phenomenon of early degradation is discolorat...
Claims
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Application Information
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