Ultraviolet cross-linking oil-resistant low-smoke halogen-free flame retardant polyolefin cable material and preparation method thereof

A technology of polyolefin cable materials and ultraviolet light, which is applied in the direction of plastic/resin/wax insulators, organic insulators, etc., can solve the problems of complex flame-retardant polyolefin cable materials, low oil resistance, and high cost of cross-linking equipment, and achieve production High efficiency, improved oil resistance, and low equipment investment
CN104403190AInactive Publication Date: 2015-03-11HONGLONGJIANG ORIENT SCI & TECH +1
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
HONGLONGJIANG ORIENT SCI & TECH
Publication Date
2015-03-11
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses an ultraviolet cross-linking oil-resistant low-smoke halogen-free flame retardant polyolefin cable material and a preparation method thereof, and relates to a flame retardant polyolefin cable material and a preparation method thereof, for solving the problems that a conventional flame retardant polyolefin cable material is complex in process, high in cost of cross-linking equipment and poor in oil resistance. The ultraviolet cross-linking oil-resistant low-smoke halogen-free flame retardant polyolefin cable material is prepared from a base material, a halogen-free flame retardant, a cation initiator, a free radical initiator, a multi-functional cross-linking agent, a flame retardant synergist, an antismoke agent, a composite antioxidant and a lubricant in parts by weight. The preparation method comprises the following steps: feeding the raw materials into an internal mixer according to the parts by weight, uniformly mixing, feeding the mixture into a double-screw extruder, further mixing and plastifying uniformly, and feeding into a single-screw extruder for extrusion pelleting, thereby obtaining the ultraviolet cross-linking oil-resistant low-smoke halogen-free flame retardant polyolefin cable material. The invention aims at preparing the ultraviolet cross-linking oil-resistant low-smoke halogen-free flame retardant polyolefin cable material.
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Description

technical field

[0001] The invention relates to a flame-retardant polyolefin cable material and a preparation method thereof. Background technique

[0002] In recent years, with the country's emphasis on environmental protection and safety, low-smoke and halogen-free cables are not only required in some large buildings or public places, but also have higher requirements for wires and cables used in rolling stock. On the one hand, they must have excellent Flame-retardant and oil-resistant properties, the amount of smoke and corrosive gas emissions should be low when burning to prevent secondary disasters caused by smoke. On the other hand, it is required to have the characteristics of heat resistance, stress crack resistance, and long service life. Therefore, it has become a trend to develop cross-linked oil-resistant, low-smoke, halogen-free flame-retardant materials.

[0003] U.S. Patent US6227908B1 discloses ethylene-vinyl acetate copolymer (EVA), magnesium hydroxide, com...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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