Halogen-free low-smoke ethylene-vinyl acetate inner sheath material for B1-level flame-retardant cable and preparation method
A technology of vinyl acetate and flame-retardant cables, which is applied in the direction of circuits, electrical components, plastic/resin/wax insulators, etc., and can solve the problems of failing to meet the requirements of B1-level flame-retardant cables, and achieve dripping non-flammability, Effect of low water absorption and low heat release rate/volume
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0024] A thermosetting halogen-free, low-smoke, low-heat-of-burning, and high-flame-retardant ethylene-vinyl acetate rubber outer sheath material for B1 flame-retardant subway DC traction cables, characterized in that it is prepared from the following components in parts by weight:
[0025] 40 parts of ethylene-vinyl acetate copolymer A (80% VA content);
[0026] Ethylene-vinyl acetate copolymer B (40% VA content) 60 parts;
[0027] 270 parts of special silane-modified magnesium hydroxide;
[0028] 5 parts of smoke suppressant;
[0029] 3 parts of paraffin;
[0030] 15 parts of lubricant;
[0031] 2 parts of anti-sticking agent;
[0032] 1 part of anti-aging agent;
[0033] 10 parts of compound synergistic flame retardant;
[0034] 4.5 parts of cross-linking agent;
[0035] 1 part of accelerator;
[0036] Its preparation steps are as follows:
[0037] (1) First weigh the raw materials according to the proportion by weight, in the upper auxiliary machine, mix ethylene-...
Embodiment 2
[0040] A thermosetting halogen-free, low-smoke, low-heat-of-combustion, ultra-flame-retardant ethylene-vinyl acetate rubber inner sheath material for B1 flame-retardant subway DC traction cables, characterized in that it is prepared from the following components in parts by weight:
[0041] Ethylene-vinyl acetate copolymer A (80% VA content) 50 parts;
[0042] Ethylene-vinyl acetate copolymer B (40% VA content) 50 parts;
[0043] 270 parts of specially modified magnesium hydroxide;
[0044] 5 parts of smoke suppressant;
[0045] 3 parts of paraffin;
[0046] 18 parts of lubricant;
[0047] 2 parts of anti-sticking agent;
[0048] 1 part of anti-aging agent;
[0049] 10 parts of compound synergistic flame retardant;
[0050] 4.5 parts of cross-linking agent;
[0051] 1 part of accelerator;
[0052] Its preparation steps are as follows:
[0053] (1) First weigh the raw materials according to the proportion by weight, in the upper auxiliary machine, mix ethylene-vinyl acet...
Embodiment 3
[0056] A thermosetting halogen-free, low-smoke, low-heat-of-combustion, ultra-flame-retardant ethylene-vinyl acetate rubber inner sheath material for B1 flame-retardant subway DC traction cables, characterized in that it is prepared from the following components in parts by weight:
[0057] Ethylene-vinyl acetate copolymer A (80% VA content) 60 parts;
[0058] 40 parts of ethylene-vinyl acetate copolymer B (40% VA content);
[0059] 270 parts of special silane-modified magnesium hydroxide;
[0060] 5 parts of smoke suppressant;
[0061] 3 parts of paraffin;
[0062] 20 parts of lubricant;
[0063] 2.5 parts of anti-sticking agent;
[0064] 1 part of anti-aging agent;
[0065] 10 parts of compound synergistic flame retardant;
[0066] 4.5 parts of cross-linking agent;
[0067] 1 serving of accelerator.
[0068] Its preparation steps are as follows:
[0069] (1) First weigh the raw materials according to the proportion by weight, in the upper auxiliary machine, mix ethy...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com