CN103724883A - Silane crosslinking halogen-free flame retardant polyvinyl chloride electric wire and cable material - Google Patents

Abstract

The invention discloses a silane crosslinking halogen-free flame retardant polyvinyl chloride electric wire and cable material which is prepared from the following raw materials in parts by weight: 80-90 parts of SG-5 (Suspension Grade-5) polyvinyl chloride, 1-2 parts of silane coupling agent KH550, 1.5-3 parts of zinc oxide, 0.9-1.2 parts of magnesium oxide, 0.8-1.5 parts of anti-aging agent 4040, 1-2 parts of accelerant TMTD (tetramethyl thiuram disulfide), 1-2 parts of sulfur, 0.8-1.5 parts of heat-resisting modifying agent NR-188, 1-2 parts of potassium hexatitanate whisker, 1-2 parts of phthalic acid polyester, 2-4 parts of smoke sheet rubber, 3-5 parts of calcium stearate and 50-60 parts of composite filler.

Description

A kind of polyvinyl chloride wire cable material of halogen-free flameproof of crosslinked with silicane

Technical field

The present invention relates to CABLE MATERIALS field, is exactly a kind of polyvinyl chloride wire cable material of halogen-free flameproof of crosslinked with silicane.

Background technology

Resin dedicated cable insulating material and the cable jacket material of comprising of electric wire, raw materials used polyethylene and the polyvinyl chloride of mainly containing.

Polyvinyl chloride cable material is the quality of PVC CABLE MATERIALS quality, is fundamentally to be filled a prescription and selected raw material decides by PVC CABLE MATERIALS.Along with continuous renewal and the development of various auxiliary agents and the weighting material of PVC, also make the formula of PVC CABLE MATERIALS constantly improve and improve.

Summary of the invention

The object of the present invention is to provide a kind of polyvinyl chloride wire cable material of halogen-free flameproof of crosslinked with silicane.

Above-mentioned purpose realizes by following scheme:

A polyvinyl chloride wire cable material for the halogen-free flameproof of crosslinked with silicane, is characterized in that: it is that raw material by following weight parts makes:

SG-5 polyvinyl chloride 80-90, Silane coupling agent KH550 1-2, zinc oxide 1.5-3, magnesium oxide 0.9-1.2, anti-aging agent 40400.8-1.5, Vulcanization accelerator TMTD 1-2, Sulfur 1-2, heat-proof modifier NR-1880.8-1.5, crystal whisker of hexa potassium titanate 1-2, phthalic acid polyester 1-2, smoke sheet rubber 2-4, calcium stearate 3-5, compounded mix 50-60;

Compounded mix is made by the raw material of following weight part:

Carclazyte 20-25, bamboo charcoal powder 2-3, zinc oxide 1-2, magnesium hydroxide 10-12, clorafin 1-2, diatomite 4-5, tributyl citrate 2-3, aluminium hydroxide 8-10;

The preparation method of compounded mix dodges carclazyte, bamboo charcoal powder and burns 6-8 second at 700-750 ℃ in dodging firing, take out, add in suitable quantity of water and grind in the lump with aluminium hydroxide, adding 10-15% hydrochloric acid soln tune PH is 4.5-5.5, ground slurry is to 400-500 order, repeated hydrogenation sodium oxide is adjusted to neutrality, and spraying is dry, obtains powder; Gained powder is mixed with other remaining component, and ground and mixed evenly and get final product.

The polyvinyl chloride wire cable material of the halogen-free flameproof of described a kind of crosslinked with silicane, is characterized in that:

Preparation method is:

(1) get SG-5 polyvinyl chloride, zinc oxide, magnesium oxide, solid paraffin, heat-proof modifier NR-188 and mix by weight, in kneader, at 160-170 ℃, mediate after 8-10 minute, take out cooling;

(2), by the cooled material of step (1) gained and each raw material blending of residue, mixing in twin screw extruder, granulation, control temperature at 165-175 ℃, obtains finished product.

Beneficial effect of the present invention is:

Wire cable material provided by the invention has soft feel, and good flame retardant resistance is applicable to producing the cord series products such as supply lead and transmission line.

Embodiment

A polyvinyl chloride wire cable material for the halogen-free flameproof of crosslinked with silicane, it is that raw material by following weight parts (kg) makes:

SG-5 polyvinyl chloride 85, Silane coupling agent KH550 1, zinc oxide 1.8, magnesium oxide 1.2, anti-aging agent 40401.5, Vulcanization accelerator TMTD 1.2, Sulfur 2, heat-proof modifier NR-1881.2, crystal whisker of hexa potassium titanate 2, phthalic acid polyester 2, smoke sheet rubber 4, calcium stearate 5, compounded mix 57;

Compounded mix is made by the raw material of following weight part:

Carclazyte 25, bamboo charcoal powder 3, zinc oxide 2, magnesium hydroxide 10, clorafin 1, diatomite 5, tributyl citrate 2, aluminium hydroxide 10;

The preparation method of compounded mix dodges carclazyte, bamboo charcoal powder to burn 8 seconds at 750 ℃ in dodging firing, takes out, and adds in suitable quantity of water and grinds in the lump with aluminium hydroxide, adding 12% hydrochloric acid soln tune PH is 4.5, and after ground slurry to 400 order, repeated hydrogenation sodium oxide is adjusted to neutrality, spraying is dry, obtains powder; Gained powder is mixed with other remaining component, and ground and mixed evenly and get final product.

The polyvinyl chloride wire cable material of the halogen-free flameproof of described a kind of crosslinked with silicane, preparation method is:

(1) get SG-5 polyvinyl chloride, zinc oxide, magnesium oxide, solid paraffin, heat-proof modifier NR-188 and mix by weight, in kneader, at 165 ℃, mediate after 10 minutes, take out cooling;

(2), by the cooled material of step (1) gained and each raw material blending of residue, mixing in twin screw extruder, granulation, control temperature at 169 ℃, obtains finished product.

The present embodiment is carried out to performance test, and the data obtained is as follows:

From the present embodiment test result, product of the present invention is through the aging of 100 ℃ * 168h and 80 ℃ * 6h Apparatus for Pressure at high-temp, its mechanical and physical performance variation meets corresponding mark requirement, has good physical and mechanical properties, meets the demand of differing temps environmental change.

Claims (2)

1. a polyvinyl chloride wire cable material for the halogen-free flameproof of crosslinked with silicane, is characterized in that: it is that raw material by following weight parts makes:

SG-5 polyvinyl chloride 80-90, Silane coupling agent KH550 1-2, zinc oxide 1.5-3, magnesium oxide 0.9-1.2, anti-aging agent 4040 0.8-1.5, Vulcanization accelerator TMTD 1-2, Sulfur 1-2, heat-proof modifier NR-188 0.8-1.5, crystal whisker of hexa potassium titanate 1-2, phthalic acid polyester 1-2, smoke sheet rubber 2-4, calcium stearate 3-5, compounded mix 50-60;

Compounded mix is made by the raw material of following weight part:

Carclazyte 20-25, bamboo charcoal powder 2-3, zinc oxide 1-2, magnesium hydroxide 10-12, clorafin 1-2, diatomite 4-5, tributyl citrate 2-3, aluminium hydroxide 8-10;

The preparation method of compounded mix dodges carclazyte, bamboo charcoal powder and burns 6-8 second at 700-750 ℃ in dodging firing, take out, add in suitable quantity of water and grind in the lump with aluminium hydroxide, adding 10-15% hydrochloric acid soln tune PH is 4.5-5.5, ground slurry is to 400-500 order, repeated hydrogenation sodium oxide is adjusted to neutrality, and spraying is dry, obtains powder; Gained powder is mixed with other remaining component, and ground and mixed evenly and get final product.

2. the polyvinyl chloride wire cable material of the halogen-free flameproof of a kind of crosslinked with silicane according to claim 1, is characterized in that:

Preparation method is:

(1) get SG-5 polyvinyl chloride, zinc oxide, magnesium oxide, solid paraffin, heat-proof modifier NR-188 and mix by weight, in kneader, at 160-170 ℃, mediate after 8-10 minute, take out cooling;

(2), by the cooled material of step (1) gained and each raw material blending of residue, mixing in twin screw extruder, granulation, control temperature at 165-175 ℃, obtains finished product.