A kind of cable sheath material containing modified methyl vinyl silicone rubber and its preparation method
A technology of methyl vinyl silicon and cable sheathing materials, applied in the direction of insulating cables, cables, circuits, etc., can solve problems such as hindering safe evacuation and fire fighting work, loss of life and property, etc., and achieve good mechanical properties and improved mechanical properties Effect
Active Publication Date: 2015-10-07
HUBEI XINHAIHONG CHEM
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Problems solved by technology
[0002] With the rapid development of the economy, wires and cables are widely used in various industries and fields, and electrical fire accidents occur frequently, and the flame retardant problem of wires and cables has gradually attracted the attention of countries all over the world. Excessive and corrosive gases are dangerous factors in fires, which hinder people's safe evacuation and fire fighting work, causing serious losses of life and property. The quality requirement of casing material is increasing day by day, the invention provides a kind of cable sheathing material containing modified methyl vinyl silicone rubber and its preparation method
Method used
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Experimental program
Comparison scheme
Effect test
Embodiment 1
[0017] Example 1: Cable sheathing material containing modified methyl vinyl silicone rubber, the weight (kg) of its constituent materials is: modified methyl vinyl silicone rubber 92, impact-resistant polystyrene 20, calcium carbonate 3.0 , diatomaceous earth 32, aluminum nitride 8.5, accelerator DM 1.7, accelerator TMTD 1.2, bis(dioctyloxypyrophosphate) ethylene titanate 3.2, calcium ricinoleate 2.0, diphenylamine 1.0, lemon tributyl phosphate 4.0 and tricresyl phosphate 7.5.
[0018] The preparation method of the cable sheath material containing modified methyl vinyl silicone rubber comprises the following steps:
[0019] (1) Preparation of modified methyl vinyl silicone rubber:
[0020] Formula (kg): Methyl vinyl silicone rubber 25, alum powder 18, xylene 28, 2,2′-thiobis(4-tertoctylphenol) 1.8, maleic anhydride 2.3, 2,6 di tert-butyl-p-cresol 5.2, ferrocene 1.1 and cross-linking agent TAIC 0.8;
[0021] The preparation method is as follows:
[0022] a: Stir and react m...
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Abstract
The invention discloses a cable sheath material containing modified methyl vinyl silicone rubber and a preparation method thereof. The cable sheath material comprising raw materials of: the modified methyl vinyl silicone rubber, impact-resistant polystyrene, calcium carbonate, diatomite, aluminium nitride, accelerant DM, accelerant TMTD, Bis(P,P-bis-ethylhexyl diphosphato)ethanediolato titanate, calcium ricinoleate, diphenylamine, tributyl citrate and tritolyl phosphate. The cable sheath material containing the modified methyl vinyl silicone rubber and the preparation method thereof employ the modified methyl vinyl silicone rubber as a main material; the mechanical properties of the modified methyl vinyl silicone rubber are greatly modified by modifying the methyl vinyl silicone rubber; the cable sheath material has better mechanical properties, and has the characteristics of low smoke, being free of halogen and high insulation resistance; and calcium carbonate is used as a reinforcing agent in raw materials, and diatomite and aluminium nitride are used as filling materials.
Description
technical field [0001] The invention relates to a cable sheath material, in particular to a cable sheath material containing modified methyl vinyl silicone rubber and a preparation method thereof. Background technique [0002] With the rapid development of the economy, wires and cables are widely used in various industries and fields, and electrical fire accidents occur frequently, and the flame retardant problem of wires and cables has gradually attracted the attention of countries all over the world. Excessive and corrosive gases are dangerous factors in fires, which hinder people's safe evacuation and fire fighting work, causing serious losses of life and property. The quality requirements of sheathing materials are increasing day by day. The invention provides a cable sheathing material containing modified methyl vinyl silicone rubber and a preparation method thereof. Contents of the invention [0003] The object of the present invention is to provide a cable sheath m...
Claims
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IPC IPC(8): C08L83/07C08L51/04C08K13/02C08K3/26C08K3/34C08K3/28C08K5/523C08K5/11H01B3/46H01B7/17
Inventor 董后友姜树海张传海董伟肖明枝
Owner HUBEI XINHAIHONG CHEM