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Silicane crosslinking flame retardant polyolefin cable material with low smoke halogen and preparation technology thereof

A polyolefin cable material, silane cross-linking technology, applied in the direction of insulated cables, cables, circuits, etc., can solve problems such as affecting appearance and scratches, and achieve the effect of saving costs, shortening construction period and ensuring quality

Inactive Publication Date: 2009-07-15
SHANGHAI ELECTRIC CABLE RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After irradiated wires, there will be more or less scratches on the surface, which will affect the appearance

Method used

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  • Silicane crosslinking flame retardant polyolefin cable material with low smoke halogen and preparation technology thereof
  • Silicane crosslinking flame retardant polyolefin cable material with low smoke halogen and preparation technology thereof
  • Silicane crosslinking flame retardant polyolefin cable material with low smoke halogen and preparation technology thereof

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Experimental program
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Effect test

Embodiment Construction

[0044] The present invention will be further described below in conjunction with embodiment:

[0045]

[0046] The production process of silane cross-linked low-smoke halogen-free flame-retardant polyolefin cable material, the base material and the catalyst masterbatch are mixed uniformly according to the selected ratio by weight, extruded through a single-screw extruder, and heated in a warm water bath at 80-90°C or Put it in the steam for 6-8 hours; the silane cross-linked low-smoke halogen-free flame-retardant polyolefin cable material can be prepared.

[0047]

[0048] Wherein, the polyolefin resin in embodiment 1 is ethylene copolymer resin, the polyolefin resin in embodiment 2 is DF710 resin in TAFMER series, the polyolefin resin in embodiment 3 is DF840 resin in TAFMER series, embodiment 4 The polyolefin resin is the 7086 resin in the Engage series, the polyolefin resin in embodiment 5 is ethylene and propylene copolymer resin, the polyolefin resin in embodiment 6...

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Abstract

The invention discloses a silicane crosslinking low-smoke haloid-free flame-proof polyolefin cable material, which consists of base material and catalyst with weight rate at 100: 3-5, wherein the base is composed of 100wt% polyolefin resin, 150wt% first flame-proof agent, 1-3wt% first lubricant, 0.1-0.2wt% first anti-oxidant, 2-4wt% silicane, 0.1-1.0wt% initiator; the catalyst mother material contains 100wt% polyolefin resin, 150wt% second flame-proof agent, 1-5wt% second lubricant, 5-15wt% second anti-oxidant, 2-10wt% catalyst.

Description

technical field [0001] The invention relates to a silane crosslinked low-smoke halogen-free flame-retardant polyolefin cable material and a production process thereof. Background technique [0002] Cross-linked low-smoke, halogen-free, flame-retardant polyolefin materials are mainly irradiated cross-linked materials in the domestic market. Imported silane cross-linked low-smoke, halogen-free, and flame-retardant polyolefin materials are expensive, and the cable manufacturers used Not many, generally from the British AEI company and the Italian Padanaplast company. [0003] Since the irradiation cross-linked low-smoke and halogen-free material needs to be irradiated by irradiation equipment to be cross-linked after being extruded into cables by single-screw, and most of the equipment is expensive, most domestic cable factories do not have irradiation. Equipment, all adopt the way of entrusted processing to complete the irradiation cross-linking process, which will bring some...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/00C08K5/54H01B7/295
Inventor 胡玲项健汪晓明
Owner SHANGHAI ELECTRIC CABLE RES INST