CN107383638A - A kind of high fire-retardance high-temperature resistant cable insulation material and preparation method - Google Patents
A kind of high fire-retardance high-temperature resistant cable insulation material and preparation method Download PDFInfo
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- CN107383638A CN107383638A CN201710735095.5A CN201710735095A CN107383638A CN 107383638 A CN107383638 A CN 107383638A CN 201710735095 A CN201710735095 A CN 201710735095A CN 107383638 A CN107383638 A CN 107383638A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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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
- H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
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Abstract
The present invention is a kind of high fire-retardance high-temperature resistant cable insulation material, by weight including following components：Ethylene propylene diene rubber：100 parts, vinyl polysiloxane：10 20 parts, vinyl benzene based polysiloxane：5 15 parts, di(2-ethylhexyl)phosphate（2,3 2 chloropropyls）Hexamethylenetetramine（One-component expansion type flame retardant）：20 40 parts, cyclodextrin：10 20 parts, nano mica：5 10 parts, nano kaoline：5 10 parts, glyceryl monostearate：0.5 1 parts, cumyl peroxide：13 parts；Di(2-ethylhexyl)phosphate（2,3 2 chloropropyls）Hexamethylenetetramine forms inclusion compound presence with cyclodextrin in cable insulation material.The present invention utilizes the excellent conveying dispersibility of cyclodextrin, fire retardant is reached the molecular level in resin matrix dispersed, greatly improves flame retardant effect.
Description
Technical field
The present invention relates to a kind of cable insulation material and preparation method, specifically a kind of high fire-retardance high-temperature resistant cable is exhausted
Edge material and preparation method.
Background technology
Existing cable insulation material flame-resistant high-temperature-resistant effect is undesirable, in order to reach high-temperature resistant result, its constituent
In be often all added with macromolecule resin；In order to reach flame retardant effect, fire retardant is often all added with its constituent；But
The quality of flame retardant effect, largely influenceed by dispersing uniformity of the fire retardant in whole material；Macromolecule resin and resistance
Combustion agent all difference in molecular weight, physicochemical properties is huge, and poor compatibility, fire retardant is often difficult in polymeric resin matrix
It is dispersed in body, so as to cause cable insulation material flame-resistant high-temperature-resistant effect unsatisfactory.
The content of the invention
The technical problems to be solved by the invention are the shortcomings that presence for above prior art, to propose a kind of high fire-retardance
High-temperature resistant cable insulation material and preparation method, can effectively improve high-temperature resistant result, and and can improves flame retardant effect, solves resistance
Combustion agent is difficult to dispersed technical problem in polymer resin matrix.
The present invention solve above technical problem technical scheme be：
A kind of high fire-retardance high-temperature resistant cable insulation material, by weight including following components：Ethylene propylene diene rubber：100 parts, ethene
Based polysiloxane：10-20 parts, vinyl benzene based polysiloxane：5-15 parts, phosphoric acid-two-（The chloropropyls of 2,3- bis-）Six methines four
Amine（One-component expansion type flame retardant）：20-40 parts, cyclodextrin：10-20 parts, nano mica：5-10 parts, nano kaoline：5-10
Part, glyceryl monostearate：0.5-1 parts, cumyl peroxide：1-3 parts；Wherein, phosphoric acid-two-（The chloropropyls of 2,3- bis-）Six
Methine tetramine forms inclusion compound presence with cyclodextrin in the cable insulation material.
The present invention is with ethylene propylene diene rubber, vinyl polysiloxane, vinyl benzene based polysiloxane composite high-molecular material
For resin matrix, using peroxide initiator, homogeneous cross-link structure is formed.Utilize the protrusion heat-resisting quantity of polysiloxane
Can lift the resistance to temperature stability of polymer composite, and in polysiloxane double bond introducing, allow itself and ternary second
Third rubber is the same, can be by the way of persulfide crosslinking, and avoiding traditional silicon rubber warm water crosslinking causes insulating properties
Decline and the cumbersome inconvenience with processing of the technological process brought because crosslinking method is different.In addition, using expansion type flame retardant
To realize the fire resistance of cable material.And the quality of flame retardant effect, largely by fire retardant in whole material point
Dissipating uniformity influences.Macromolecule resin and fire retardant all difference in molecular weight, physicochemical properties are huge, poor compatibility,
Fire retardant is often difficult to dispersed in polymer resin matrix.And the reunion of fire retardant in the base, fire-retardant effect can be caused
Fruit substantially reduces.Therefore, using cyclodextrin as dispersant in formula, using its unique cavity structure, with fire retardant point
Son forms host-guest complex, using the excellent conveying dispersibility of cyclodextrin, fire retardant is reached point in resin matrix
Sub- level is dispersed, greatly improves flame retardant effect.The high fire-retardance high-temperature resistant cable insulation material of the present invention, the high resistant of the present embodiment
Firing high-temperature resistant cable insulation material properties is：Tensile strength：≥25Mpa；Elongation at break：≥30%；Oxygen index (OI)：≥35；
Smoke density（Light transmittance）：≥60%.Heat resistance（150 ± 2 DEG C, 168h）：Variation in tensile strength≤20%；Elongation at break
Rate of change≤20%.Alternating voltage spark test（50 Hz）：Insulate every time >=0.2 second by electrode；The exchange of 4 hours
Voltage-withstand test does not puncture.
The preparation method of the high fire-retardance high-temperature resistant cable insulation material of the present invention, comprises the following steps：
(i) by phosphoric acid-two-（The chloropropyls of 2,3- bis-）Hexamethylenetetramine grinds 30-60 points by proportioning with cyclodextrin in mortar
Clock, or 20-40 minutes are mediated in kneader, obtain both inclusion compounds；
(ii) by step, (i) gained inclusion compound is mixed with unclassified stores in formula by proportioning, stirs the raw material prepared in kneader
Uniformly, the raw material being stirred then is sent into the double rank extruding machines of twin-screw, 110 DEG C -130 DEG C of temperature control, plasticizing extrusion, that is, obtains height
Fire-retardant high-temperature resistant cable insulation material.
Macromolecule resin and fire retardant all difference in molecular weight, physicochemical properties are huge, poor compatibility, fire retardant
Often it is difficult to dispersed in polymer resin matrix, and the reunion of fire retardant in the base, the big of flame retardant effect can be caused
It is big to reduce.Therefore, using its unique cavity structure, formed in formula using cyclodextrin as dispersant with flame retardant molecule
Host-guest complex, using the excellent conveying dispersibility of calixarenes and cyclodextrin, fire retardant is set to reach in resin matrix
Molecular level is dispersed, greatly improves flame retardant effect.Therefore, first by fire retardant（Phosphoric acid-two-（The chloropropyls of 2,3- bis-）Six first
Urotropine）It is ground or mediates with cyclodextrin, form cyclodextrin/fire retardant inclusion compound, then adds in formula, such ring paste
Essence is just used as dispersant, forms host-guest complex using its unique cavity structure and flame retardant molecule, utilizes cyclodextrin
Excellent conveying dispersibility, fire retardant is set to reach the molecular level in resin matrix dispersed；Therefore, the present invention utilizes fire-retardant
Agent forms Host-guest inclusion complex to improve dispersiveness of the fire retardant in resin matrix with cyclodextrin, is improving flame retardant effect greatly,
Test shows, forms Host-guest inclusion complex using using fire retardant and cyclodextrin, can make containing equal dosage flame retardant resin
The oxygen index (OI) of matrix improves 10-20%.
Embodiment
Embodiment 1
The present embodiment is a kind of high fire-retardance high-temperature resistant cable insulation material, by weight including following components：Ethylene propylene diene rubber：
100 parts, vinyl polysiloxane：10 parts, vinyl benzene based polysiloxane：5 parts, phosphoric acid-two-（The chloropropyls of 2,3- bis-）Six first
Urotropine：20 parts, cyclodextrin：10 parts, nano mica：5 parts, nano kaoline：5 parts, glyceryl monostearate：0.5 part, peroxide
Change diisopropylbenzene (DIPB)：1 part.
The preparation method of the high fire-retardance high-temperature resistant cable insulation material of the present embodiment, comprises the following steps：
(i) by phosphoric acid-two-（The chloropropyls of 2,3- bis-）Hexamethylenetetramine is ground 30 minutes with cyclodextrin by proportioning in mortar, or
Mediated 20 minutes in kneader, obtain both inclusion compounds；
(ii) by step, (i) gained inclusion compound is mixed with unclassified stores in formula by proportioning, stirs the raw material prepared in kneader
Uniformly, the raw material being stirred then is sent into the double rank extruding machines of twin-screw, 110 DEG C of temperature control, plasticizing extrusion, that is, obtains high fire-retardance height
Temperature-resisting cable insulating materials.
The high fire-retardance high-temperature resistant cable insulation material properties of the present embodiment are：Tensile strength：≥25Mpa；Fracture is stretched
Long rate：≥40%；Oxygen index (OI)：≥35；Smoke density（Light transmittance）：≥60%.Heat resistance（150 ± 2 DEG C, 168h）：Tensile strength
Rate of change≤20%；Elongation at break rate of change≤20%.Alternating voltage spark test（50 Hz）：Insulate at every by electrode
Time >=0.2 second；The ac voltage withstanding test of 4 hours does not puncture.
Embodiment 2
The present embodiment is a kind of high fire-retardance high-temperature resistant cable insulation material, by weight including following components：Ethylene propylene diene rubber：
100 parts, vinyl polysiloxane：15 parts, vinyl benzene based polysiloxane：10 parts, phosphoric acid-two-（The chloropropyls of 2,3- bis-）Six times
Tetramine：30 parts, cyclodextrin：15 parts, nano mica：7 parts, nano kaoline：8 parts, glyceryl monostearate：1 part, peroxide
Change diisopropylbenzene (DIPB)：2 parts.
The preparation method of the high fire-retardance high-temperature resistant cable insulation material of the present embodiment, comprises the following steps：
(i) by phosphoric acid-two-（The chloropropyls of 2,3- bis-）Hexamethylenetetramine is ground 50 minutes with cyclodextrin by proportioning in mortar, or
Mediated 30 minutes in kneader, obtain both inclusion compounds；
(ii) by step, (i) gained inclusion compound is mixed with unclassified stores in formula by proportioning, stirs the raw material prepared in kneader
Uniformly, the raw material being stirred then is sent into the double rank extruding machines of twin-screw, 120 DEG C of temperature control, plasticizing extrusion, that is, obtains high fire-retardance height
Temperature-resisting cable insulating materials.
The high fire-retardance high-temperature resistant cable insulation material properties of the present embodiment are：Tensile strength：≥28MPa；Fracture is stretched
Long rate：≥35%；Oxygen index (OI)：≥38；Smoke density（Light transmittance）：≥65%.Heat resistance（150 ± 2 DEG C, 168h）：Tensile strength
Rate of change≤20%；Elongation at break rate of change≤20%.Alternating voltage spark test（50 Hz）：Insulate at every by electrode
Time >=0.2 second；The ac voltage withstanding test of 4 hours does not puncture.
Embodiment 3
The present embodiment is a kind of high fire-retardance high-temperature resistant cable insulation material, by weight including following components：Ethylene propylene diene rubber：
100 parts, vinyl polysiloxane：20 parts, vinyl benzene based polysiloxane：15 parts, phosphoric acid-two-（The chloropropyls of 2,3- bis-）Six times
Tetramine：40 parts, cyclodextrin：20 parts, nano mica：10 parts, nano kaoline：10 parts, glyceryl monostearate：1 part,
Cumyl peroxide：3 parts.
The preparation method of the high fire-retardance high-temperature resistant cable insulation material of the present embodiment, comprises the following steps：
(i) by phosphoric acid-two-（The chloropropyls of 2,3- bis-）Hexamethylenetetramine is ground 60 minutes with cyclodextrin by proportioning in mortar, or
Mediated 40 minutes in kneader, obtain both inclusion compounds；
(ii) by step, (i) gained inclusion compound is mixed with unclassified stores in formula by proportioning, stirs the raw material prepared in kneader
Uniformly, the raw material being stirred then is sent into the double rank extruding machines of twin-screw, 130 DEG C of temperature control, plasticizing extrusion, that is, obtains high fire-retardance height
Temperature-resisting cable insulating materials.
The high fire-retardance high-temperature resistant cable insulation material properties of the present embodiment are：Tensile strength：≥30MPa；Fracture is stretched
Long rate：≥30%；Oxygen index (OI)：≥40；Smoke density（Light transmittance）：≥70%.Heat resistance（150 ± 2 DEG C, 168h）：Tensile strength
Rate of change≤20%；Elongation at break rate of change≤20%.Alternating voltage spark test（50 Hz）：Insulate at every by electrode
Time >=0.2 second；The ac voltage withstanding test of 4 hours does not puncture.
In addition to the implementation, the present invention can also have other embodiment.It is all to use equivalent substitution or equivalent transformation shape
Into technical scheme, all fall within the protection domains of application claims.
Claims (5)
- A kind of 1. high fire-retardance high-temperature resistant cable insulation material, it is characterised in that：Include following components by weight：Ethylene-propylene-diene monomer Glue：100 parts, vinyl polysiloxane：10-20 parts, vinyl benzene based polysiloxane：5-15 parts, phosphoric acid-two-（2,3- dichloros third Base）Hexamethylenetetramine：20-40 parts, cyclodextrin：10-20 parts, nano mica：5-10 parts, nano kaoline：5-10 parts, glycerine Monostearate：0.5-1 parts, cumyl peroxide：1-3 parts；The phosphoric acid-two-（The chloropropyls of 2,3- bis-）Six methines four Amine forms inclusion compound presence with cyclodextrin in the cable insulation material.
- 2. high fire-retardance high-temperature resistant cable insulation material as claimed in claim 1, it is characterised in that：Include by weight with the following group Point：Ethylene propylene diene rubber：100 parts, vinyl polysiloxane：10 parts, vinyl benzene based polysiloxane：5 parts, phosphoric acid-two-（2, The chloropropyls of 3- bis-）Hexamethylenetetramine：20 parts, cyclodextrin：10 parts, nano mica：5 parts, nano kaoline：5 parts, glycerine list is hard Resin acid ester：0.5 part, cumyl peroxide：1 part.
- 3. high fire-retardance high-temperature resistant cable insulation material as claimed in claim 1, it is characterised in that：Include by weight with the following group Point：Ethylene propylene diene rubber：100 parts, vinyl polysiloxane：15 parts, vinyl benzene based polysiloxane：10 parts, phosphoric acid-two-（2, The chloropropyls of 3- bis-）Hexamethylenetetramine：30 parts, cyclodextrin：15 parts, nano mica：7 parts, nano kaoline：8 parts, glycerine list is hard Resin acid ester：1 part, cumyl peroxide：2 parts.
- 4. high fire-retardance high-temperature resistant cable insulation material as claimed in claim 1, it is characterised in that：Include by weight with the following group Point：Ethylene propylene diene rubber：100 parts, vinyl polysiloxane：20 parts, vinyl benzene based polysiloxane：15 parts, phosphoric acid-two-（2, The chloropropyls of 3- bis-）Hexamethylenetetramine：40 parts, cyclodextrin：20 parts, nano mica：10 parts, nano kaoline：10 parts, glycerine Monostearate：1 part, cumyl peroxide：3 parts.
- 5. the preparation method of the high fire-retardance high-temperature resistant cable insulation material as described in any claim in claim 1-4, its It is characterised by：Comprise the following steps：(i) by phosphoric acid-two-（The chloropropyls of 2,3- bis-）Hexamethylenetetramine grinds 30-60 points by proportioning with cyclodextrin in mortar Clock, or 20-40 minutes are mediated in kneader, obtain both inclusion compounds；(ii) by step, (i) gained inclusion compound is mixed with unclassified stores in formula by proportioning, stirs the raw material prepared in kneader Uniformly, the raw material being stirred then is sent into the double rank extruding machines of twin-screw, 110 DEG C -130 DEG C of temperature control, plasticizing extrusion, that is, obtains height Fire-retardant high-temperature resistant cable insulation material.
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Cited By (1)
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