CN102719040B - Wear-resisting flame-retardant polyvinyl chloride insulation and sheathing materials - Google Patents
Wear-resisting flame-retardant polyvinyl chloride insulation and sheathing materials Download PDFInfo
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Abstract
The invention relates to insulation materials and sheathing materials, and in particular relates to a wear-resisting flame-retardant polyvinyl chloride insulation and sheathing material. The wear-resisting flame-retardant polyvinyl chloride insulation and sheathing material comprises the following raw materials in parts by weight: 100 parts of polyvinyl chloride resin, 40 to 60 parts of plasticizer, 6 to 30 parts of wearable modifying agent, 4 to 8 parts of stabilizing agent, 4 to 32 parts of fire retardant, 10 to 40 parts of filling agent, and 0.8 to 3 part(s) of lubricating agent. The insulating and sheathing material has good wear-resisting and flame-retardant properties, high squeezing performance, high rolling performance and high flexing performance, as well as high flexibility and processability.
Description
Technical field
The present invention relates to the sheath material made of insulating material, particularly relate to a kind of abrasion resistant fire blocking polyvinyl chloride insulation and sheath material.
Background technology
Due to moveable small household appliances now used at present, the security of electric wire and wearing quality are quite important.As electric fan, warm-air drier in use, electric wire often can by electrical equipment own or other objects roll, pinching etc.; Time be everlasting mobile small household appliances time electric wire also pullled, scraped finish etc., due to the existence of these reasons, cause the frequent cisco unity malfunction of electric wire, even cause the initiation fire that leaks electricity.The hidden danger larger to the security presence of human consumer.
When therefore requiring soft polyvinyl chloride plastic as the insulation of electric wire and sheath, require that there is good physical and mechanical properties, and at special occasions, have higher wear resisting property, pinching performance to electric wire, crush performance and flexing performance.In addition, supply lead is used for mobile small household appliances electric fan, warm-air drier etc., just must meet in February, 2011 up-to-date distribution correcting " UL62 cord and cable standard ", namely wear-resisting be greater than 5000 times, pinching is greater than 2254N, crush be greater than 7h, flexing is greater than 3100 times.
Current, be by adding modified abrasion resistant agent about improving polyvinyl chloride wearing-resistant performance.As US Patent No. 6255374, add urethane as properties-correcting agent, cost is high; Chinese patent CN101386697, adds the weighting agent with whisker special construction, although wear resistance improves, does not still reach the requirement of electric wire.In China publication CN101921441 A, adopt a kind of sheet silicate mineral substance with jade structure through coupling processing as abrasion resistance modifier.
Due to the wear-resisting polyvinyl chloride related in above-mentioned patent, only mention wear resisting property and increase, do not relate to wear resisting property in UL62-R, pinching performance, crush performance and flexing performance.Therefore the standard-required of UL62-R electric wire can not be met.
Chinese patent CN102161804A, describe one-R type polyvinyl chloride electrical wire and cable Insulation Material, weight proportion disclosed in it is: polyvinyl chloride (PVC) RESINS 50-100 part; Softening agent 35-50 part; Antimonous oxide 1-3.5 part; Calcium zinc stabilizer 4-6 part; Processing aid 0.2-0.6 part; Pigment 1-4 part.But do not add anti-wear agent in its formula, wear resisting property is at about 5000 times in case study on implementation, and wear resisting property compares edge, and what have only reaches 4800 times, is defective according to UL62-R standard determination.Wherein, in the formula of the prior art, the consumption of fire retardant and lubricant is less, and the flame retardant properties of product is poor, and is unfavorable for extrusion moulding and the demoulding of product, is unfavorable for machine-shaping.In addition, in the formula of the prior art, do not add weighting agent, to wear-resisting and pinching do not have promote synergy and production cost is high.
Chinese patent CN102140211A, describes a kind of modified vinylene chloride plastics goods, comprises following raw material composition weight part: PVC resin powder 57-62; Plasticizer 25-28; Hydrogenation nitrile rubber 5-6; Stablizer 4-5; Fire retardant and lubricant 2.8-3.5.Chinese patent CN102311591A, describes a kind of flexible polrvinyl chloride flexible cable material, and its formula composition weight part is: polyvinyl chloride resin 50-65, softening agent 30-40, stablizer 2-3, lubricant 0.5-1, weighting agent 5-15, properties-correcting agent 8-15.Chinese patent CN101456996A, describe a kind of oil-resistant polyvinyl chloride composition for wire cable, comprise the raw material of following components by weight: polyvinyl chloride (PVC) RESINS 100 parts, kaolin 7-11 part, heat-resisting plasticizer 40-60 part, stablizer 5-7 part, chlorinatedpolyethylene 3-6 part, magnesium hydroxide 6-10 part, fire retardant 2-4 part.
Disclosed prior art only mentions the material modified of polyvinyl chloride above, although wear resisting property improves, but the wear criteria of in February, 2011 up-to-date UL62 can not be met, all do not reach service requirements with the wear resisting property of the material modified goods made of this polyvinyl chloride.In addition, the fire retardant of above-mentioned disclosed prior art and the content of lubricant few, the flame retardant resistance of goods is poor, and Product processing difficulty is large; Production cost is high, and the over-all properties of goods is poor.
Summary of the invention
The object of the invention is to provide a kind of abrasion resistant fire blocking polyvinyl chloride insulation and sheath material for the deficiencies in the prior art, this product has good wear-resisting, flame retardant properties, pinching performance, crushes performance and flexing performance, also has good softness and good processing characteristics.
Object of the present invention is realized by following technical measures.
A kind of abrasion resistant fire blocking polyvinyl chloride insulation and sheath material are provided, comprise the composition of following weight ratio:
Polyvinyl chloride (PVC) RESINS 100 parts
Softening agent 40-60 part
Abrasion resistance modifier 6-30 part
Stablizer 4-8 part
Fire retardant 4-32 part
Weighting agent 10-40 part
Lubricant 0.8-3 part.
Preferably, a kind of abrasion resistant fire blocking polyvinyl chloride insulation and sheath material, comprise the composition of following weight ratio:
Polyvinyl chloride (PVC) RESINS 100 parts
Softening agent 40-50 part
Abrasion resistance modifier 6-25 part
Stablizer 4-8 part
Fire retardant 15-30 part
Weighting agent 25-40 part
Lubricant 1.0-2.7 part.
Wherein, described polyvinyl chloride (PVC) RESINS one or more the mixture that to be the polymerization degree be in the polyvinyl chloride (PVC) RESINS of 1000,1300,1800,2500
Wherein, described softening agent is one or more the mixture in phthalic acid fat, terephthalic acid fat or trimellitic acid fat three kinds of softening agent.
Further, described phthalic acid fat softening agent is: one or both the mixture in diisononyl phthalate (DINP), phthalic acid two (2-propyl group heptan) ester (DPHP);
Further, described terephthalic acid fat softening agent is: dioctyl terephthalate (DOTP);
Further, described trimellitic acid fat softening agent is: one or both the mixture in the pungent fat of tri trimellitate (TOTM), tri trimellitate ester in the ninth of the ten Heavenly Stems (TINTM).
Wherein, described abrasion resistance modifier is one or more the mixture in chlorinatedpolyethylene CPE135, nitrile rubber P83, EVA resin, white carbon black four kinds.
Wherein, described stablizer is a kind of in calcium-zinc composite stabilizing agent and barium zinc composite stabilizer or both mixtures.
Wherein, described fire retardant is one or more the mixture in antimonous oxide, magnesium hydroxide, aluminium hydroxide, zinc borate four kinds.Wherein antimonous oxide, magnesium hydroxide, aluminium hydroxide, zinc borate are nano-scale.
Wherein, described weighting agent is one or more the mixture in nm-class active calcium carbonate, superfine heavy calcium carbonate or calcined kaolin three kinds.Wherein superfine heavy calcium carbonate, calcined kaolin are for being nano-scale.
Wherein, described lubricant is stearic acid and lipid, salt, any one or more than one mixture in polyethylene wax.
Beneficial effect of the present invention is: a kind of abrasion resistant fire blocking polyvinyl chloride insulation of the present invention and sheath material, comprise the raw material composition of following weight ratio: polyvinyl chloride (PVC) RESINS 100; Softening agent 40-60; Abrasion resistance modifier 6-30; Stablizer 4-8; Fire retardant 4-32; Weighting agent 10-40; Lubricant 0.8-3.Insulation of the present invention and sheath material have good wear-resisting, flame retardant properties, pinching performance, crush performance and flexing performance, also have good softness and good processing characteristics.
The present invention is through verification experimental verification, and the properties of product is excellent, and advantage is as follows:
(1) a kind of abrasion resistant fire blocking polyvinyl chloride insulation provided by the present invention and sheath material have excellent wear resisting property, UL62-R standard is adopted to carry out wear-resisting test, its sliver emery cloth carries out wear-resisting test, and the counterweight of the 3.3N that pressurizes, move back and forth, every 800 circles suspend test, by traversing for emery cloth to original position, horizontal throw 160mm, speed 28 times/min, after 5000 circle wearing and tearing, test wires sample can not have conductor to expose Anywhere.
(2) a kind of abrasion resistant fire blocking polyvinyl chloride insulation provided by the present invention and sheath material have excellent pinching performance.UL62-R standard is adopted to carry out pinching test.Sample is placed in the middle of horizontal steel plate and briquetting (the briquetting front end angle of falling R 1.19mm), and apply weight with the speed of 0.2 ± 0.05in/min, after weight reaches 2254N, flick immediately, electric wire can not have the electrical properties such as breakage, broken string, short circuit bad.
(3) a kind of abrasion resistant fire blocking polyvinyl chloride insulation provided by the present invention and sheath material have and excellent crush performance.UL62-R standard is adopted to carry out crushing test.Sample is placed in the middle of horizontal steel plate and briquetting (the briquetting front end angle of falling R 1.19mm), 890N weight in the morning is slowly applied on electric wire, and continue 7h, electric wire can not have the electrical properties such as breakage, broken string, short circuit bad.
(4) a kind of abrasion resistant fire blocking polyvinyl chloride insulation provided by the present invention and sheath material have excellent flexing performance.UL62-R standard is adopted to carry out flexing test. electric wire applies the voltage of 300V, and connects different time lag safety fuses.Bending 3100 circles of the speed of enclosing with per minute 20, from point of inflection 305mm place's applying 110 Weight gravity on electric wire, electric wire can not have the electrical properties such as breakage, broken string, short circuit bad, and conductor outage is less than or equal to 10%, inner wire is insulation-piercing layer not, and shielding can not be had to expose.
(5) a kind of abrasion resistant fire blocking polyvinyl chloride insulation provided by the present invention and sheath material have excellent physical and mechanical properties, heat resistance and flame retardant properties.Adopt UL1581 and UL62 standard testing, the electric wire manufactured with this polyvinyl chloride insulation and sheath material, meets UL1581 and UL62 burn-in test standard-required and UL vertical combustion VW-1 standard-required completely.
(6) a kind of abrasion resistant fire blocking polyvinyl chloride insulation provided by the present invention and sheath material have good softness and good processing characteristics.
(7) weighting agent of the present invention can reduce costs on the one hand, and weighting agent plays the effect of skeleton in formula on the other hand, serves synergy, goods excellent combination property to wear-resisting and pinching.
Accompanying drawing explanation
The invention will be further described to utilize accompanying drawing, but the embodiment in accompanying drawing does not form any limitation of the invention.
Fig. 1 is the process flow diagram making abrasion resistant fire blocking polyvinyl chloride insulation of the present invention and sheath material.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated, and this is preferred embodiment of the present invention.
The all raw material that the present invention uses all reaches the environmental requirement of up-to-date RoHS instruction and Reach regulation.
embodiment one.
Ingredient Wt part
Polyvinyl chloride (PVC) RESINS (polymerization degree 1000) 100
Diisononyl phthalate (DINP) 40
Chlorinatedpolyethylene (CPE135) 12.5
Ca Zn composite tranquilizer 4.5
Antimonous oxide 2.5
Magnesium hydroxide 12.5
Light calcium carbonate 10
Water-ground limestone 20
Calcium stearate 0.6
Polyethylene wax 0.5.
embodiment 2.
Ingredient Wt part
Polyvinyl chloride (PVC) RESINS (polymerization degree 1300) 75
Polyvinyl chloride (PVC) RESINS (polymerization degree 1800) 25
Phthalic acid two (2-propyl group heptan) ester (DPHP) 45
Paracril P83 7.5
Barium zinc compound diazepam agent 5
Antimonous oxide 3.25
Magnesium hydroxide 10
Aluminium hydroxide 7.5
Light calcium carbonate 12.5
Water-ground limestone 22.5
Calcium stearate 0.8
Polyethylene wax 0.6.
embodiment 3.
Ingredient Wt part
Polyvinyl chloride (PVC) RESINS (polymerization degree 1800) 100
The pungent fat of tri trimellitate (TOTM) 52
Chlorinatedpolyethylene (CPE135) 5
White carbon black 25
Ca Zn composite tranquilizer 7.5
Antimonous oxide 4.5
Magnesium hydroxide 5
Aluminium hydroxide 7.5
Water-ground limestone 25
Butyl stearate 1
Stearic acid 0.4
Polyethylene wax 0.5.
embodiment 4.
Ingredient Wt part
Polyvinyl chloride (PVC) RESINS (polymerization degree 2500) 100
The pungent fat of tri trimellitate (TOTM) 40
Diisononyl phthalate (DINP) 20
EVA resin 20
Barium zinc compound diazepam agent 8
Antimonous oxide 5
Zinc borate 2.5
Aluminium hydroxide 15
Calcined kaolin 7.5
Water-ground limestone 30
Butyl stearate 1.5
Stearic acid 0.6
Polyethylene wax 0.6.
embodiment 5.
Ingredient Wt part
Polyvinyl chloride (PVC) RESINS (polymerization degree 1300) 100
The pungent fat of tri trimellitate (TOTM) 48
Paracril P83 4
White carbon black 20
Ca Zn composite tranquilizer 6
Antimonous oxide 4
Magnesium hydroxide 7.5
Aluminium hydroxide 12.5
Calcined kaolin 3.75
Light calcium carbonate 12.5
Water-ground limestone 12.5
Zinic stearas 0.6
Polyethylene wax 0.6.
Preparation process is as follows: according to the proportioning of each embodiment above-mentioned, puts in high-speed kneading machine respectively, discharging after mixing temperature reaches 145-160 DEG C by each composition starting material by formulation ratio.Adopt twin screw extruder to carry out granulation, extrusion temperature controls at 115 DEG C-180 DEG C.Flexible PVC micelle is obtained through granulation, cooling, packaging.This particle directly extrudes through the cable extruder that wire & cable factory's commercialization is conventional and makes electric wire.With the electric wire that this micelle is made, there is the physics shown in table one, mechanical property.The micelle caused by 5 embodiments all makees SPT-2 18AWG electric wire as insulating material; The micelle caused by 5 embodiments all makees SJT18AWG electric wire as sheath material.
Table one adopts each embodiment material to obtain the performance perameter of electric wire
Finally should be noted that; above embodiment is only in order to illustrate technical scheme of the present invention; but not limiting the scope of the invention; although done to explain to the present invention with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to technical scheme of the present invention or equivalent replacement, and not depart from essence and the scope of technical solution of the present invention.
Claims (3)
1. abrasion resistant fire blocking polyvinyl chloride insulation and a sheath material, is characterized in that: the raw material composition comprising following weight ratio:
Polyvinyl chloride (PVC) RESINS 100 parts
Softening agent 40-60 part
Abrasion resistance modifier 6-30 part
Stablizer 4-8 part
Fire retardant 4-32 part
Weighting agent 10-40 part
Lubricant 0.8-3 part;
Described polyvinyl chloride (PVC) RESINS one or more the mixture that to be the polymerization degree be in the polyvinyl chloride (PVC) RESINS of 1300,1800,2500;
Described softening agent is one or more the mixture in phthalate plasticizers, trimellitic acid fat softening agent, phthalate plasticizers is one or both the mixture in phthalic acid two (2-propyl group heptan) ester, diisononyl phthalate, and trimellitic acid fat softening agent is the pungent fat of tri trimellitate;
Described abrasion resistance modifier is one or more the mixture in paracril P83, EVA resin, white carbon black;
Described stablizer is barium zinc composite stabilizer;
Described fire retardant is one or more the mixture in magnesium hydroxide, aluminium hydroxide, antimonous oxide, zinc borate four kinds;
Described weighting agent is one or more the mixture in nm-class active calcium carbonate, nano level superfine water-ground limestone, calcined kaolin;
Described lubricant is any one or more than one mixture in stearic acid lipid, stearates.
2. abrasion resistant fire blocking polyvinyl chloride insulation and a sheath material, is characterized in that: the raw material comprising following weight part:
The polymerization degree is the polyvinyl chloride (PVC) RESINS 75 parts of 1300
The polymerization degree is the polyvinyl chloride (PVC) RESINS 25 parts of 1800
Phthalic acid two (2-propyl group heptan) ester (DPHP) 45 parts
Paracril P83 7.5 parts
Barium zinc compound diazepam agent 5 parts
Antimonous oxide 3.25 parts
Magnesium hydroxide 10 parts
7.5 parts, aluminium hydroxide
Light calcium carbonate 12.5 parts
Water-ground limestone 22.5 parts
Calcium stearate 0.8 part
Polyethylene wax 0.6 part.
3. abrasion resistant fire blocking polyvinyl chloride insulation and a sheath material, is characterized in that: the raw material comprising following weight part:
The polymerization degree is the polyvinyl chloride (PVC) RESINS 100 parts of 2500
40 parts, the pungent fat of tri trimellitate (TOTM)
Diisononyl phthalate (DINP) 20 parts
EVA resin 20 parts
Barium zinc compound diazepam agent 8 parts
Antimonous oxide 5 parts
Zinc borate 2.5 parts
15 parts, aluminium hydroxide
Calcined kaolin 7.5 parts
Water-ground limestone 30 parts
Butyl stearate 1.5 parts
Stearic acid 0.6 part
Polyethylene wax 0.6 part.
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| CN201210221196.8A CN102719040B (en) | 2012-06-29 | 2012-06-29 | Wear-resisting flame-retardant polyvinyl chloride insulation and sheathing materials |
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| CN102719040B true CN102719040B (en) | 2015-01-21 |
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