CN109294129A - A kind of the perfluoroethylene-propylene CABLE MATERIALS and preparation method of halogen-free flameproof - Google Patents
A kind of the perfluoroethylene-propylene CABLE MATERIALS and preparation method of halogen-free flameproof Download PDFInfo
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- CN109294129A CN109294129A CN201811186034.9A CN201811186034A CN109294129A CN 109294129 A CN109294129 A CN 109294129A CN 201811186034 A CN201811186034 A CN 201811186034A CN 109294129 A CN109294129 A CN 109294129A
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08L27/18—Homopolymers or copolymers or tetrafluoroethene
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/443—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds
- H01B3/445—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds from vinylfluorides or other fluoroethylenic compounds
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Abstract
The present invention provides the perfluoroethylene-propylene CABLE MATERIALSs and preparation method of a kind of halogen-free flameproof.This method forms compound flame retardant with nano-hydroxy oxalic acid aluminium and alkali magnesium sulfate crystal whisker, first pass through ring-opening polymerisation in situ on the surface of nano-hydroxy oxalic acid aluminium and alkali magnesium sulfate crystal whisker respectively and is grafted poly- (6-caprolactone), it mixed, squeezed out, be granulated with perfluoroethylene-propylene, colorant, antioxidant, lubricant again, the perfluoroethylene-propylene CABLE MATERIALS of halogen-free flameproof is made.It is compared with the traditional method, in non-halogen flame-retardant cable prepared by the present invention, nanoscale inorganic fire retardants can be well compatible with perfluoroethylene-propylene matrix, prevents filler reunion and phenomenon of phase separation from occurring, CABLE MATERIALS obtained has good flame retardant properties, mechanical properties and thermal stability.
Description
Technical field
The invention belongs to the technical field of flame retardant cable, provide a kind of halogen-free flameproof perfluoroethylene-propylene CABLE MATERIALS and
Preparation method.
Background technique
In recent years, green, low-carbon environment-friendly building have become the development trend of building trade, and superstructure the more is built the more high,
The scale of underground installation is increasing, and wire and cable is increasingly widely used, and laying is also more and more intensive, because protecting outside cable
The damage or aging of set, and the fire caused is also more and more, how to reduce the incidence of fire and the death of fire occurs
Rate, low cigarette, Halogen, fire-retardant, the environmentally friendly direction of scientific rersearch for having become wires and cables industry, thus be widely noticed.
Addition fire retardant is relied primarily in the wire cable insulating material generally used now to improve flame retardant property.Fire retardant
With fire retardation, be it in the combustion process of material, physics or chemical changing pattern can be changed, thus inhibit or
Reduce the speed of its oxidation reaction, the fire retarding effect of different fire retardants is different, and when use must be to give full play to.There is halogen fire-retardant
There is a large amount of harmful substance to generate when material combustion, therefore, LSOH anti-flaming material comes into being.
Cable insulation material generallys use the materials such as halogen-free anti-flaming polyolefin, silicon rubber, sheath generally use thermosetting property or
Thermoplastic low-smoke halide-free fireproof composite polyolefine material.Currently, perfluoroethylene-propylene is excellent with its for Halogen-free flame-retardant cable material
The advantages that electrical insulating property, low combustible, smokiness, the application in CABLE MATERIALS are more and more wider.Low-smoke halogen-free inflaming-retarding cable
Insulation and sheath material, the inorganic fire retardantss such as hydrated metal oxide multi-purpose greatly are added modification and prepare flame retardant cable at present
Material.
Chinese invention patent application number 201610330538.8 discloses a kind of fire-retardant layer formula of halogen-free flame-retardant cable, by with
Under formed according to the raw material of parts by weight: 20 ~ 30 parts of fluoropolymer resin, 20 ~ 30 parts of silicon rubber, 10 ~ 20 parts of vinyl acetate, crosslinking is poly-
10 ~ 15 parts of ethylene, 10 ~ 15 parts of perfluoroethylene-propylene (copolymer), 5 ~ 16 parts of hydrocarbon, 5 ~ 12 parts of inorganic fire retardants, 5 ~ 8 parts of filler,
4 ~ 6 parts of calcium zinc stabilizer, 4 ~ 6 parts of polyester plasticizer.The defect of the invention is that the mechanical mechanics property of flame retardant cable obtained is poor.
Chinese invention patent application number 201810158633.3 discloses a kind of halogen-free flameproof crosslinkable polyolefin CABLE MATERIALS
And preparation method thereof, a kind of halogen-free flameproof crosslinkable polyolefin CABLE MATERIALS is made of: polyolefin-based the raw material of following parts by weight
Material: 100 parts, 10 ~ 30 parts of maleic anhydride modified polyolefin, 40 ~ 100 parts of inorganic filler, 5 ~ 40 parts of phosphorus ~ nitrogen expansion type combustion inhibitor,
0.1 ~ 5 part of vinyl silicane coupling agent, 1 ~ 10 part of crosslinking agent, plasticizer are 5 ~ 20 parts, 0.5 ~ 2 part of processing aid and form.The hair
Poor compatibility of the inorganic filler in organic matrix in bright crosslinkable polyolefin CABLE MATERIALS obtained, dispersion is uneven, anti-flammability
It can be bad.
In conclusion in the prior art, the compatibility of inorganic fire retardants and organic matrix is poor, flame retardant effect is influenced, and
Lead to the reduction of material mechanical performance, therefore develop a kind of good non-halogen flame-retardant cable of compatibility, has great significance.
Summary of the invention
As it can be seen that in the prior art, the compatibility of inorganic fire retardants and organic matrix is poor, flame retardant effect is influenced, and cause
The reduction of material mechanical performance.In response to this, the present invention propose a kind of halogen-free flameproof perfluoroethylene-propylene CABLE MATERIALS and
Preparation method, this method can promote nanoscale inorganic fire retardants and perfluoroethylene-propylene matrix is well compatible, prevent filler group
Poly- and phenomenon of phase separation occurs, and CABLE MATERIALS obtained has good flame retardant properties, mechanical properties and thermal stability.
To achieve the above object, specific technical solution of the present invention is as follows:
A kind of preparation method of the perfluoroethylene-propylene CABLE MATERIALS of halogen-free flameproof, the specific step of the non-halogen flame-retardant cable preparation
It is rapid as follows:
(1) nano-hydroxy oxalic acid aluminium is uniformly mixed with 6-caprolactone, increases temperature, the hydroxyl using nano-hydroxy oxalic acid aluminium draws
It sends out 6-caprolactone and carries out ring-opening polymerisation, the modified Nano aluminum hydroxyoxalate of surface grafting poly- (6-caprolactone) is made；
(2) alkali magnesium sulfate crystal whisker and lactic acid are performed under heating conditions mixed at high speed, make the surface of alkali magnesium sulfate crystal whisker
It is grafted lactic acid small molecule, is then uniformly mixed with 6-caprolactone, temperature is increased, causes 6-caprolactone using the hydroxyl of lactic acid and carries out
The modification alkali magnesium sulfate crystal whisker of surface grafting poly- (6-caprolactone) is made in ring-opening polymerisation；
(3) it will be modified alkali magnesium sulfate crystal whisker made from modified Nano aluminum hydroxyoxalate made from step (1), step (2) and will gather
Perfluoroethylene-propylene (copolymer) is uniformly mixed in a high speed mixer, is added colorant, antioxidant, lubricant and is mixed, and is discharged laggard
The perfluoroethylene-propylene CABLE MATERIALS of halogen-free flameproof is made in row extruding pelletization.
Preferably, the parts by weight of step (1) each raw material are 80 ~ 90 parts by weight of nano-hydroxy oxalic acid aluminium, 6-caprolactone
10 ~ 20 parts by weight.
Preferably, the temperature of step (1) described ring-opening polymerisation is 180 ~ 200 DEG C, and the time is 25 ~ 28h.
Preferably, the parts by weight of step (2) each raw material are 80 ~ 87 parts by weight of alkali magnesium sulfate crystal whisker, lactic acid 3 ~ 5
Parts by weight, 10 ~ 15 parts by weight of 6-caprolactone.
Preferably, the temperature of step (2) described ring-opening polymerisation is 170 ~ 180 DEG C, and the time is 30 ~ 35h.
Preferably, step (3) colorant is at least one of azo pigments, phthalocyanine color, quinacridone pigment.
Preferably, step (3) antioxidant is N, N'- diphenyl-para-phenylene diamine, phenothiazine, N- phenyl-α-naphthalene
At least one of amine.
Preferably, step (3) lubricant is at least one of silicone oil, fatty acid amide.
Preferably, the parts by weight of step (3) each raw material are 15 ~ 25 parts by weight of modified Nano aluminum hydroxyoxalate, modification
3 ~ 6 parts by weight of alkali magnesium sulfate crystal whisker, 58 ~ 78 parts by weight of perfluoroethylene-propylene, 3 ~ 8 parts by weight of colorant, 0.5 ~ 1 weight of antioxidant
Measure part, 0.5 ~ 2 parts by weight of lubricant.
Nano-hydroxy oxalic acid aluminium is one of aluminium flame retardant, thermal stability with higher and decomposition weight-loss ratio.Alkali
Formula magnesium sulfate crystal whisker can not only widen the operative temperature range of nano-hydroxy oxalic acid aluminium as synergistic flame retardant, but also can be improved
Thermal stability, intensity and the toughness of perfluoroethylene-propylene CABLE MATERIALS.Therefore, the present invention is with nano-hydroxy oxalic acid aluminium and alkali formula sulfuric acid
Magnesium whisker forms compound flame retardant, carries out to perfluoroethylene-propylene flame-retardant modified.
Due to the poor compatibility of inorganic fire retardants and perfluoroethylene-propylene matrix, easily occur mutually separating, and nanoparticle
Agglomeration cause fire retardant dispersion uneven, therefore, not only often up to less than ideal flame retardant effect, also result in poly- perfluor
The decline of second propylene material mechanical property.To solve this problem, the present invention creatively by hydroxyl cause 6-caprolactone into
Row ring-opening polymerisation, the surface grafting in nano-hydroxy oxalic acid aluminium and alkali magnesium sulfate crystal whisker is poly- (6-caprolactone) respectively, makes
The polar surfaces of filler are changed into apolar surfaces, to realize good compatible with perfluoroethylene-propylene matrix.
The present invention also provides a kind of a kind of perfluoroethylene-propylene of halogen-free flameproof that above-mentioned preparation method is prepared electricity
Cable material.The non-halogen flame-retardant cable is to form compound flame retardant with nano-hydroxy oxalic acid aluminium and alkali magnesium sulfate crystal whisker, is first divided
Do not pass through ring-opening polymerisation in situ on the surface of nano-hydroxy oxalic acid aluminium and alkali magnesium sulfate crystal whisker and is grafted poly- (6-caprolactone), then with
Perfluoroethylene-propylene, colorant, antioxidant, lubricant are mixed, are squeezed out, are granulated and are made.
The present invention provides the perfluoroethylene-propylene CABLE MATERIALSs and preparation method of a kind of halogen-free flameproof, with prior art phase
Than the feature and excellent effect protruded is:
1. perfluoroethylene-propylene CABLE MATERIALS prepared by the present invention has good flame retardant property, flame retardant rating is high, oxygen index (OI) is high.
2. perfluoroethylene-propylene CABLE MATERIALS prepared by the present invention has good mechanical property, tensile strength, extension at break
Rate and impact strength are higher.
3. perfluoroethylene-propylene CABLE MATERIALS prepared by the present invention, has good thermal stability, thermal decomposition temperature is higher.
Specific embodiment
In the following, the present invention will be further described in detail by way of specific embodiments, but this should not be interpreted as to the present invention
Range be only limitted to example below.Without departing from the idea of the above method of the present invention, according to ordinary skill
The various replacements or change that knowledge and customary means are made, should be included in the scope of the present invention.
Embodiment 1
(1) nano-hydroxy oxalic acid aluminium is uniformly mixed with 6-caprolactone, increases temperature, the hydroxyl using nano-hydroxy oxalic acid aluminium draws
It sends out 6-caprolactone and carries out ring-opening polymerisation, the modified Nano aluminum hydroxyoxalate of surface grafting poly- (6-caprolactone) is made；Ring-opening polymerisation
Temperature be 188 DEG C, time 27h；The parts by weight of each raw material are 84 parts by weight of nano-hydroxy oxalic acid aluminium, 16 weight of 6-caprolactone
Measure part；
(2) alkali magnesium sulfate crystal whisker and lactic acid are performed under heating conditions mixed at high speed, are then uniformly mixed with 6-caprolactone,
Temperature is increased, causes 6-caprolactone using the hydroxyl of lactic acid and carries out ring-opening polymerisation, changing for surface grafting poly- (6-caprolactone) is made
Property alkali magnesium sulfate crystal whisker；The temperature of ring-opening polymerisation is 176 DEG C, time 33h；The parts by weight of each raw material are alkali magnesium sulfate
83 parts by weight of whisker, 4 parts by weight of lactic acid, 13 parts by weight of 6-caprolactone；
(3) it will be modified alkali magnesium sulfate crystal whisker made from modified Nano aluminum hydroxyoxalate made from step (1), step (2) and will gather
Perfluoroethylene-propylene (copolymer) is uniformly mixed in a high speed mixer, is added colorant, antioxidant, lubricant and is mixed, and is discharged laggard
The perfluoroethylene-propylene CABLE MATERIALS of halogen-free flameproof is made in row extruding pelletization；Colorant is azo pigments；Antioxidant is N, N'- bis-
Diphenyl-para-phenylene diamine；Lubricant is silicone oil；The parts by weight of each raw material are 19 parts by weight of modified Nano aluminum hydroxyoxalate, modified alkali
5 parts by weight of formula magnesium sulfate crystal whisker, 69 parts by weight of perfluoroethylene-propylene, 5 parts by weight of colorant, 1 parts by weight of antioxidant, lubricant 1
Parts by weight.
Embodiment 2
(1) nano-hydroxy oxalic acid aluminium is uniformly mixed with 6-caprolactone, increases temperature, the hydroxyl using nano-hydroxy oxalic acid aluminium draws
It sends out 6-caprolactone and carries out ring-opening polymerisation, the modified Nano aluminum hydroxyoxalate of surface grafting poly- (6-caprolactone) is made；Ring-opening polymerisation
Temperature be 185 DEG C, time 27h；The parts by weight of each raw material are 82 parts by weight of nano-hydroxy oxalic acid aluminium, 18 weight of 6-caprolactone
Measure part；
(2) alkali magnesium sulfate crystal whisker and lactic acid are performed under heating conditions mixed at high speed, are then uniformly mixed with 6-caprolactone,
Temperature is increased, causes 6-caprolactone using the hydroxyl of lactic acid and carries out ring-opening polymerisation, changing for surface grafting poly- (6-caprolactone) is made
Property alkali magnesium sulfate crystal whisker；The temperature of ring-opening polymerisation is 172 DEG C, time 34h；The parts by weight of each raw material are alkali magnesium sulfate
85 parts by weight of whisker, 3 parts by weight of lactic acid, 12 parts by weight of 6-caprolactone；
(3) it will be modified alkali magnesium sulfate crystal whisker made from modified Nano aluminum hydroxyoxalate made from step (1), step (2) and will gather
Perfluoroethylene-propylene (copolymer) is uniformly mixed in a high speed mixer, is added colorant, antioxidant, lubricant and is mixed, and is discharged laggard
The perfluoroethylene-propylene CABLE MATERIALS of halogen-free flameproof is made in row extruding pelletization；Colorant is phthalocyanine color；Antioxidant is vulcanization hexichol
Amine；Lubricant is fatty acid amide；The parts by weight of each raw material are 18 parts by weight of modified Nano aluminum hydroxyoxalate, modified alkali formula sulphur
Sour 4 parts by weight of magnesium whisker, 73.5 parts by weight of perfluoroethylene-propylene, 4 parts by weight of colorant, 0.5 parts by weight of antioxidant, lubricant 1
Parts by weight.
Embodiment 3
(1) nano-hydroxy oxalic acid aluminium is uniformly mixed with 6-caprolactone, increases temperature, the hydroxyl using nano-hydroxy oxalic acid aluminium draws
It sends out 6-caprolactone and carries out ring-opening polymerisation, the modified Nano aluminum hydroxyoxalate of surface grafting poly- (6-caprolactone) is made；Ring-opening polymerisation
Temperature be 195 DEG C, time 26h；The parts by weight of each raw material are 87 parts by weight of nano-hydroxy oxalic acid aluminium, 13 weight of 6-caprolactone
Measure part；
(2) alkali magnesium sulfate crystal whisker and lactic acid are performed under heating conditions mixed at high speed, are then uniformly mixed with 6-caprolactone,
Temperature is increased, causes 6-caprolactone using the hydroxyl of lactic acid and carries out ring-opening polymerisation, changing for surface grafting poly- (6-caprolactone) is made
Property alkali magnesium sulfate crystal whisker；The temperature of ring-opening polymerisation is 178 DEG C, time 31h；The parts by weight of each raw material are alkali magnesium sulfate
82 parts by weight of whisker, 5 parts by weight of lactic acid, 13 parts by weight of 6-caprolactone；
(3) it will be modified alkali magnesium sulfate crystal whisker made from modified Nano aluminum hydroxyoxalate made from step (1), step (2) and will gather
Perfluoroethylene-propylene (copolymer) is uniformly mixed in a high speed mixer, is added colorant, antioxidant, lubricant and is mixed, and is discharged laggard
The perfluoroethylene-propylene CABLE MATERIALS of halogen-free flameproof is made in row extruding pelletization；Colorant is quinacridone pigment；Antioxidant is N- benzene
Base-alpha-naphthylamine；Lubricant is silicone oil；The parts by weight of each raw material are 22 parts by weight of modified Nano aluminum hydroxyoxalate, modified alkali formula sulphur
Sour 5 parts by weight of magnesium whisker, 64.5 parts by weight of perfluoroethylene-propylene, 6 parts by weight of colorant, 1 parts by weight of antioxidant, lubricant 1.5
Parts by weight.
Embodiment 4
(1) nano-hydroxy oxalic acid aluminium is uniformly mixed with 6-caprolactone, increases temperature, the hydroxyl using nano-hydroxy oxalic acid aluminium draws
It sends out 6-caprolactone and carries out ring-opening polymerisation, the modified Nano aluminum hydroxyoxalate of surface grafting poly- (6-caprolactone) is made；Ring-opening polymerisation
Temperature be 180 DEG C, time 28h；The parts by weight of each raw material are 80 parts by weight of nano-hydroxy oxalic acid aluminium, 20 weight of 6-caprolactone
Measure part；
(2) alkali magnesium sulfate crystal whisker and lactic acid are performed under heating conditions mixed at high speed, are then uniformly mixed with 6-caprolactone,
Temperature is increased, causes 6-caprolactone using the hydroxyl of lactic acid and carries out ring-opening polymerisation, changing for surface grafting poly- (6-caprolactone) is made
Property alkali magnesium sulfate crystal whisker；The temperature of ring-opening polymerisation is 170 DEG C, time 35h；The parts by weight of each raw material are alkali magnesium sulfate
87 parts by weight of whisker, 3 parts by weight of lactic acid, 10 parts by weight of 6-caprolactone；
(3) it will be modified alkali magnesium sulfate crystal whisker made from modified Nano aluminum hydroxyoxalate made from step (1), step (2) and will gather
Perfluoroethylene-propylene (copolymer) is uniformly mixed in a high speed mixer, is added colorant, antioxidant, lubricant and is mixed, and is discharged laggard
The perfluoroethylene-propylene CABLE MATERIALS of halogen-free flameproof is made in row extruding pelletization；Colorant is azo pigments；Antioxidant is N, N'- bis-
Diphenyl-para-phenylene diamine；Lubricant is fatty acid amide；The parts by weight of each raw material are, 15 parts by weight of modified Nano aluminum hydroxyoxalate,
Modified 3 parts by weight of alkali magnesium sulfate crystal whisker, 78 parts by weight of perfluoroethylene-propylene, 3 parts by weight of colorant, 0.5 parts by weight of antioxidant,
0.5 parts by weight of lubricant.
Embodiment 5
(1) nano-hydroxy oxalic acid aluminium is uniformly mixed with 6-caprolactone, increases temperature, the hydroxyl using nano-hydroxy oxalic acid aluminium draws
It sends out 6-caprolactone and carries out ring-opening polymerisation, the modified Nano aluminum hydroxyoxalate of surface grafting poly- (6-caprolactone) is made；Ring-opening polymerisation
Temperature be 200 DEG C, time 25h；The parts by weight of each raw material are 90 parts by weight of nano-hydroxy oxalic acid aluminium, 10 weight of 6-caprolactone
Measure part；
(2) alkali magnesium sulfate crystal whisker and lactic acid are performed under heating conditions mixed at high speed, are then uniformly mixed with 6-caprolactone,
Temperature is increased, causes 6-caprolactone using the hydroxyl of lactic acid and carries out ring-opening polymerisation, changing for surface grafting poly- (6-caprolactone) is made
Property alkali magnesium sulfate crystal whisker；The temperature of ring-opening polymerisation is 180 DEG C, time 30h；The parts by weight of each raw material are alkali magnesium sulfate
80 parts by weight of whisker, 5 parts by weight of lactic acid, 15 parts by weight of 6-caprolactone；
(3) it will be modified alkali magnesium sulfate crystal whisker made from modified Nano aluminum hydroxyoxalate made from step (1), step (2) and will gather
Perfluoroethylene-propylene (copolymer) is uniformly mixed in a high speed mixer, is added colorant, antioxidant, lubricant and is mixed, and is discharged laggard
The perfluoroethylene-propylene CABLE MATERIALS of halogen-free flameproof is made in row extruding pelletization；Colorant is phthalocyanine color；Antioxidant is vulcanization hexichol
Amine；Lubricant is silicone oil；The parts by weight of each raw material are that 25 parts by weight of modified Nano aluminum hydroxyoxalate, modified alkali magnesium sulfate are brilliant
It must 6 parts by weight, 58 parts by weight of perfluoroethylene-propylene, 8 parts by weight of colorant, 1 parts by weight of antioxidant, 2 parts by weight of lubricant.
Embodiment 6
(1) nano-hydroxy oxalic acid aluminium is uniformly mixed with 6-caprolactone, increases temperature, the hydroxyl using nano-hydroxy oxalic acid aluminium draws
It sends out 6-caprolactone and carries out ring-opening polymerisation, the modified Nano aluminum hydroxyoxalate of surface grafting poly- (6-caprolactone) is made；Ring-opening polymerisation
Temperature be 190 DEG C, time 26.5h；The parts by weight of each raw material are 85 parts by weight of nano-hydroxy oxalic acid aluminium, 6-caprolactone 15
Parts by weight；
(2) alkali magnesium sulfate crystal whisker and lactic acid are performed under heating conditions mixed at high speed, are then uniformly mixed with 6-caprolactone,
Temperature is increased, causes 6-caprolactone using the hydroxyl of lactic acid and carries out ring-opening polymerisation, changing for surface grafting poly- (6-caprolactone) is made
Property alkali magnesium sulfate crystal whisker；The temperature of ring-opening polymerisation is 175 DEG C, time 32h；The parts by weight of each raw material are alkali magnesium sulfate
85 parts by weight of whisker, 4 parts by weight of lactic acid, 12 parts by weight of 6-caprolactone；
(3) it will be modified alkali magnesium sulfate crystal whisker made from modified Nano aluminum hydroxyoxalate made from step (1), step (2) and will gather
Perfluoroethylene-propylene (copolymer) is uniformly mixed in a high speed mixer, is added colorant, antioxidant, lubricant and is mixed, and is discharged laggard
The perfluoroethylene-propylene CABLE MATERIALS of halogen-free flameproof is made in row extruding pelletization；Colorant is quinacridone pigment；Antioxidant is N- benzene
Base-alpha-naphthylamine；Lubricant is fatty acid amide；The parts by weight of each raw material are 20 parts by weight of modified Nano aluminum hydroxyoxalate, modification
4 parts by weight of alkali magnesium sulfate crystal whisker, 68 parts by weight of perfluoroethylene-propylene, 6 parts by weight of colorant, 1 parts by weight of antioxidant, lubricant
1 parts by weight.
Comparative example 1
In preparation process, surface graft modification is not carried out to nano-hydroxy oxalic acid aluminium and alkali magnesium sulfate crystal whisker, other prepare item
Part and embodiment 6 are consistent.
Performance test:
(1) UL94 flame retardant rating: being made 125mm × 13mm × 0.5mm sample for non-halogen flame-retardant cable produced by the present invention,
Fire Test is carried out using UL94 standard, measures the flame retardant rating of CABLE MATERIALS；
(2) oxygen index (OI): 100 ~ 150mm × 6.5mm × 3mm sample is made in non-halogen flame-retardant cable produced by the present invention, is pressed
GB/T2406-2009 standard measures the oxygen index (OI) of CABLE MATERIALS using HC-2 type oxygen index measurer；
(3) according to GB/T 31850-2015 standard, mark thermal decomposition temperature: is made in non-halogen flame-retardant cable produced by the present invention
Quasi- sample, the thermal decomposition temperature of test cable material；
(4) tensile strength, elongation at break: according to GB/T1040-2008 standard, by non-halogen flame-retardant cable produced by the present invention
Standard sample is made, is tested using AGS210KND universal testing machine, the tensile strength and fracture for measuring CABLE MATERIALS are stretched
Long rate；
(5) according to GB/T1843-2008 standard, mark notch impact strength: is made in non-halogen flame-retardant cable produced by the present invention
Quasi- sample is tested using plastics notch impact strength testing machine, measures the notch impact strength of CABLE MATERIALS.
The data obtained is as shown in table 1.
Table 1:
Claims (10)
1. a kind of preparation method of the perfluoroethylene-propylene CABLE MATERIALS of halogen-free flameproof, which is characterized in that the halogen-free flame-retardant cable
Specific step is as follows for material preparation:
(1) nano-hydroxy oxalic acid aluminium is uniformly mixed with 6-caprolactone, increases temperature, the hydroxyl using nano-hydroxy oxalic acid aluminium draws
It sends out 6-caprolactone and carries out ring-opening polymerisation, the modified Nano aluminum hydroxyoxalate of surface grafting poly- (6-caprolactone) is made；
(2) alkali magnesium sulfate crystal whisker and lactic acid are performed under heating conditions mixed at high speed, make the surface of alkali magnesium sulfate crystal whisker
It is grafted lactic acid small molecule, is then uniformly mixed with 6-caprolactone, temperature is increased, causes 6-caprolactone using the hydroxyl of lactic acid and carries out
The modification alkali magnesium sulfate crystal whisker of surface grafting poly- (6-caprolactone) is made in ring-opening polymerisation；
(3) it will be modified alkali magnesium sulfate crystal whisker made from modified Nano aluminum hydroxyoxalate made from step (1), step (2) and will gather
Perfluoroethylene-propylene (copolymer) is uniformly mixed in a high speed mixer, is added colorant, antioxidant, lubricant and is mixed, and is discharged laggard
The perfluoroethylene-propylene CABLE MATERIALS of halogen-free flameproof is made in row extruding pelletization.
2. the preparation method of the perfluoroethylene-propylene CABLE MATERIALS of a kind of halogen-free flameproof according to claim 1, it is characterised in that:
The parts by weight of step (1) each raw material are 80 ~ 90 parts by weight of nano-hydroxy oxalic acid aluminium, 10 ~ 20 parts by weight of 6-caprolactone.
3. the preparation method of the perfluoroethylene-propylene CABLE MATERIALS of a kind of halogen-free flameproof according to claim 1, it is characterised in that:
The temperature of step (1) described ring-opening polymerisation is 180 ~ 200 DEG C, and the time is 25 ~ 28h.
4. the preparation method of the perfluoroethylene-propylene CABLE MATERIALS of a kind of halogen-free flameproof according to claim 1, it is characterised in that:
The parts by weight of step (2) each raw material are 80 ~ 87 parts by weight of alkali magnesium sulfate crystal whisker, 3 ~ 5 parts by weight of lactic acid, 6-caprolactone
10 ~ 15 parts by weight.
5. the preparation method of the perfluoroethylene-propylene CABLE MATERIALS of a kind of halogen-free flameproof according to claim 1, it is characterised in that:
The temperature of step (2) described ring-opening polymerisation is 170 ~ 180 DEG C, and the time is 30 ~ 35h.
6. the preparation method of the perfluoroethylene-propylene CABLE MATERIALS of a kind of halogen-free flameproof according to claim 1, it is characterised in that:
Step (3) colorant is at least one of azo pigments, phthalocyanine color, quinacridone pigment.
7. the preparation method of the perfluoroethylene-propylene CABLE MATERIALS of a kind of halogen-free flameproof according to claim 1, it is characterised in that:
Step (3) antioxidant is N, at least one of N'- diphenyl-para-phenylene diamine, phenothiazine, N- phenyl-α-naphthylamine.
8. the preparation method of the perfluoroethylene-propylene CABLE MATERIALS of a kind of halogen-free flameproof according to claim 1, it is characterised in that:
Step (3) lubricant is at least one of silicone oil, fatty acid amide.
9. the preparation method of the perfluoroethylene-propylene CABLE MATERIALS of a kind of halogen-free flameproof according to claim 1, it is characterised in that:
The parts by weight of step (3) each raw material are 15 ~ 25 parts by weight of modified Nano aluminum hydroxyoxalate, modified alkali magnesium sulfate crystal whisker 3
~ 6 parts by weight, 58 ~ 78 parts by weight of perfluoroethylene-propylene, 3 ~ 8 parts by weight of colorant, 0.5 ~ 1 parts by weight of antioxidant, lubricant 0.5 ~
2 parts by weight.
10. a kind of perfluoroethylene-propylene cable for halogen-free flameproof that any one of claim 1 ~ 9 preparation method is prepared
Material.
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