CN107641273A - A kind of 50 degree of low-smoke non-halogen flame-retardant cold-resistant insulation material - Google Patents
A kind of 50 degree of low-smoke non-halogen flame-retardant cold-resistant insulation material Download PDFInfo
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- CN107641273A CN107641273A CN201711113653.0A CN201711113653A CN107641273A CN 107641273 A CN107641273 A CN 107641273A CN 201711113653 A CN201711113653 A CN 201711113653A CN 107641273 A CN107641273 A CN 107641273A
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Abstract
The invention discloses a kind of 50 degree of low-smoke non-halogen flame-retardant cold-resistant insulation material, it is characterised in that adds deionized water into carboxylic acid multi-walled carbon nano-tube, ultrasonic disperse, silane coupler reaction, centrifugation is added dropwise, precipitation is washed with absolute ethyl alcohol, centrifuged, and is dried, is ground to obtain silane carbon nano tube；HMDS and dibutyl tin laurate are added dropwise after functional stuffing whisker is dried, temperature rising reflux condensation reaction, obtains surface graft modification whisker；Dried after magnesium hydroxide is ground, add surface conditioning agent high-speed stirred, filler must be compounded by being mixed with red phosphorus masterbatch；The PVC powder being plasticized is placed in two-roll mill and is kneaded, after powder bag roller is complete, dry polyester-type TPU is added, beats triangle bag for several times, adds polyether-type TPU, slice after being kneaded uniformly；The print being kneaded is cooled down, cuts and folds, be put into mould, sample is put into after the preheating of compression molding instrument, is cold-pressed slice after hot pressing again, obtains the cold-resistant insulation material.
Description
Technical field
The present invention relates to Insulation Material field, and in particular to one kind -50 spends low-smoke non-halogen flame-retardant cold-resistant insulation material.
Background technology
Insulation Material and protective cover material for electric wire are mostly organic polymers, at certain temperature and oxygen concentration
Burning can be triggered.The risk of fire is also brought while cable provides convenient to society, cable because itself and it is external
Reason is ignited, it is possible to along the direction of cable laying out of building to outer sprawling, refire other combustibles, cause
Bigger fire, while cable can also produce various poisonous smogs in burning, cause the loss of biological property.To reduce fire
Calamity hidden danger, it is very necessary to carry out flame retardant treatment to the polymer used in electric wire.At present, industrial fire retardant polyolefin electricity
Cable material is mainly what is prepared by adding the fire retardants such as halogen or metal hydroxides.
The content of the invention
The present invention solves the technical problem of providing one kind -50 to spend low-smoke non-halogen flame-retardant cold-resistant insulation material, according to this
Method prepare Insulation Material fire resistance is good, cold tolerance is good.
The technical problems to be solved by the invention are realized using following technical scheme：
One kind -50 spends low-smoke non-halogen flame-retardant cold-resistant insulation material, it is characterised in that carries out according to the following steps：
（1）With silane coupler functionalized carbon nanotubes：
Into 1-2 part carboxylic acid multi-walled carbon nano-tubes 1:150-200 adds deionized water, stirs, ultrasonic disperse 1-2h, drop
Add 15-20 part Silane coupling agent KH550s, 20-24h is stirred at 60-65 DEG C and is fully reacted, centrifuges 15-20min, precipitation is used
Absolute ethyl alcohol washing, centrifuge 3-5 times, be put into 60-65 DEG C of vacuum drying chamber and dry 10-12h, grind, obtain silicon
Alkanisation CNT；
（2）The process of surface treatment of functional stuffing whisker：
6-7 part whiskers are dried into 1-2h in 145-150 DEG C of air dry oven, 0.5-1 parts hexamethyl two is added dropwise under mechanical agitation
Silazane and 1 drop dibutyl tin laurate, 195-200 DEG C of reflux condensation mode reaction 1-2h is warming up to, room temperature is down to, obtains surface
The whisker of graft modification；
（3）The surface treatment of magnesium hydroxide：
By ground 60 mesh sieve of 15-20 part magnesium hydroxides, 2-3h is dried at 105-110 DEG C, adds 1-2 part surface conditioning agents, is used
Mixer high-speed stirred 10-15min, dries 1-2h at 105-110 DEG C, then mixes, is compounded with 5-10 part red phosphorus masterbatch
Filler；
（4）The preparation of ternary blends：
100-110 parts PVC powder, 4-5 part calcium zinc stabilizers are added in mixer, 10-20 part plasticizer are added under stirring at low speed,
When material temperature is 85-90 DEG C, 3-4 part epoxidized soybean oil high-speed stirreds are added, cooling mixing is entered when material temperature is 105-110 DEG C
Machine, discharged when being cooled to 35-45 DEG C, the PVC powder that must be plasticized；
TPU particles are dried into 3-4h in 80-85 DEG C of electric drying oven with forced convection；The PVC powder being plasticized is placed on double roller mill
It is kneaded on machine, adds resulting material in (1) (2) (3), after powder bag roller is complete, is added the NX60A that 10-11 parts are dried, make a call to three
After angle bag number 3-4 times, 5-6 part Bayer60A are added, slice after being kneaded uniformly；The print being kneaded is cooled down, cuts and folds, put
Enter in mould, sample be put into when compression molding instrument is preheated to 175-185 DEG C, 5-6min slices are cold-pressed again after hot pressing 5-6min,
Obtain the cold-resistant insulation material.
Wherein, step（1）Middle centrifugal speed is 4000-4500r/min.Step（2）Middle whisker be alkali magnesium sulfate crystal whisker,
The mixing of one or both of magnesium borate crystal whisker arbitrary proportion.Step（3）Middle surface conditioning agent is silane coupling agent A151
Or titante coupling agent JN201, red phosphorus masterbatch are RPM650.Step（4）Middle TPU particles be polyether-type TPU (Bayer60A),
Polyester-type TPU (NX-60A), plasticizer DINCH, roller temperature are 160-170 DEG C.
The present invention reaction mechanism and have the beneficial effect that：
By the Silane coupling agent KH550 modification of carboxylic acid multi-walled carbon nano-tube, silane carbon nano tube is obtained, can be reached
Strengthen the effect of matrix；PVC is modified by the method for physical blending with polyester-type TPU and polyether-type TPU, resists cold and is modified
Effect is good, low temperature impact strength is high；Effective surface modification treatment, the production of whisker surface are carried out to whisker with HMDS
Give birth to Organic functional groups, it is easier to it is kneaded, the tensile strength of composite can be improved, it is bright to the mechanics enhancing effect of material
It is aobvious；Magnesium hydroxide can improve the elongation at break of compound system after coupling agent treatment, be used cooperatively with red phosphorus masterbatch, can improve
The fire resistance of system, improve mechanical property；Red phosphorus masterbatch filled PVC is compounded with modified magnesium hydroxide, modified function is added and fills out
Expect whisker, suppress obtaining cold-resistant insulation material after mixing.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Specific embodiment is closed, the present invention is expanded on further.
Embodiment
One kind -50 spends low-smoke non-halogen flame-retardant cold-resistant insulation material, it is characterised in that carries out according to the following steps：
（1）With silane coupler functionalized carbon nanotubes：
Into 1kg carboxylic acid multi-walled carbon nano-tubes 1:150 add deionized water, stir, and ultrasonic disperse 1h, 15kg silicon are added dropwise
Alkane coupling agent KH550, stirring 20h fully reacts at 60-65 DEG C, centrifuges 15min, precipitation is washed with absolute ethyl alcohol, centrifuged
Separation 3 times, it is put into 60-65 DEG C of vacuum drying chamber and dries 10h, grind, obtain silane carbon nano tube；
（2）The process of surface treatment of functional stuffing whisker：
6kg whiskers are dried into 1h in 145-150 DEG C of air dry oven, 0.5kg HMDSs are added dropwise under mechanical agitation
With 1 drop dibutyl tin laurate, 195-200 DEG C of reflux condensation mode reaction 2h is warming up to, room temperature is down to, obtains surface graft modification
Whisker；
（3）The surface treatment of magnesium hydroxide：
By ground 60 mesh sieve of 15kg magnesium hydroxides, 2h is dried at 105-110 DEG C, 1kg surface conditioning agents are added, with mixer height
Speed stirring 15min, 1h is dried at 105-110 DEG C, is then mixed with 5kg red phosphorus masterbatch, obtains compounding filler；
（4）The preparation of ternary blends：
110kg PVC powders, 4kg calcium zinc stabilizers are added in mixer, 10kg plasticizer are added under stirring at low speed, when material temperature is
At 85-90 DEG C, 3kg epoxidized soybean oil high-speed stirreds are added, enters cooling mixing machine when material temperature is 105-110 DEG C, is cooled to
Discharged at 35-45 DEG C, the PVC powder that must be plasticized；
TPU particles are dried into 3h in 80-85 DEG C of electric drying oven with forced convection；The PVC powder being plasticized is placed on two-roll mill
Upper mixing, resulting material in (1) (2) (3) is added, after powder bag roller is complete, adds the NX60A that 10kg is dried, beat triangle bag
After number 3 times, 5kg Bayer60A are added, slice after being kneaded uniformly；The print being kneaded is cooled down, cuts and folds, be put into mould
In, sample is put into when compression molding instrument is preheated to 175-185 DEG C, 6min slices are cold-pressed again after hot pressing 6min, is obtained described resistance to
Cold Insulation Material.
Wherein, step（1）Middle centrifugal speed is 4500r/min.Step（2）Middle whisker is alkali magnesium sulfate crystal whisker, boric acid
The mixing of one or both of magnesium whisker arbitrary proportion.Step（3）Middle surface conditioning agent is silane coupling agent A151 or titanium
Esters of gallic acid coupling agent JN201, red phosphorus masterbatch are RPM650.Step（4）Middle TPU particles are polyether-type TPU (Bayer60A), polyester
Type TPU (NX-60A), plasticizer DINCH, roller temperature are 160-170 DEG C.
Claims (6)
1. one kind -50 spends low-smoke non-halogen flame-retardant cold-resistant insulation material, it is characterised in that：Into carboxylic acid multi-walled carbon nano-tube plus go from
Silane coupler reaction, centrifugation is added dropwise in sub- water, ultrasonic disperse, and precipitation is washed with absolute ethyl alcohol, centrifuged, dried, grind to obtain silane
Carbon nano tube；HMDS and dibutyl tin laurate, temperature rising reflux are added dropwise after functional stuffing whisker is dried
Condensation reaction, obtain surface graft modification whisker；Dried after magnesium hydroxide is ground, add surface conditioning agent high-speed stirred, with red phosphorus
Masterbatch, which mixes, must compound filler；The PVC powder being plasticized is placed in two-roll mill and is kneaded, after powder bag roller is complete, is added
Enter dry polyester-type TPU, beat triangle bag for several times, add polyether-type TPU, slice after being kneaded uniformly；The print being kneaded is cold
But, cut and fold, be put into mould, be put into sample after compression molding instrument is preheated, be cold-pressed slice after hot pressing again, obtain described
Cold-resistant insulation material.
2. one kind -50 spends low-smoke non-halogen flame-retardant cold-resistant insulation material, it is characterised in that carries out according to the following steps：
（1）With silane coupler functionalized carbon nanotubes：
Into 1-2 part carboxylic acid multi-walled carbon nano-tubes 1:150-200 adds deionized water, stirs, ultrasonic disperse 1-2h, drop
Add 15-20 part Silane coupling agent KH550s, 20-24h is stirred at 60-65 DEG C and is fully reacted, centrifuges 15-20min, precipitation is used
Absolute ethyl alcohol washing, centrifuge 3-5 times, be put into 60-65 DEG C of vacuum drying chamber and dry 10-12h, grind, obtain silicon
Alkanisation CNT；
（2）The process of surface treatment of functional stuffing whisker：
6-7 part whiskers are dried into 1-2h in 145-150 DEG C of air dry oven, 0.5-1 parts hexamethyl two is added dropwise under mechanical agitation
Silazane and 1 drop dibutyl tin laurate, 195-200 DEG C of reflux condensation mode reaction 1-2h is warming up to, room temperature is down to, obtains surface
The whisker of graft modification；
（3）The surface treatment of magnesium hydroxide：
By ground 60 mesh sieve of 15-20 part magnesium hydroxides, 2-3h is dried at 105-110 DEG C, adds 1-2 part surface conditioning agents, is used
Mixer high-speed stirred 10-15min, dries 1-2h at 105-110 DEG C, then mixes, is compounded with 5-10 part red phosphorus masterbatch
Filler；
（4）The preparation of ternary blends：
100-110 parts PVC powder, 4-5 part calcium zinc stabilizers are added in mixer, 10-20 part plasticizer are added under stirring at low speed,
When material temperature is 85-90 DEG C, 3-4 part epoxidized soybean oil high-speed stirreds are added, cooling mixing is entered when material temperature is 105-110 DEG C
Machine, discharged when being cooled to 35-45 DEG C, the PVC powder that must be plasticized；
TPU particles are dried into 3-4h in 80-85 DEG C of electric drying oven with forced convection；The PVC powder being plasticized is placed on double roller mill
It is kneaded on machine, adds resulting material in (1) (2) (3), after powder bag roller is complete, is added the NX60A that 10-11 parts are dried, make a call to three
After angle bag number 3-4 times, 5-6 part Bayer60A are added, slice after being kneaded uniformly；The print being kneaded is cooled down, cuts and folds, put
Enter in mould, sample be put into when compression molding instrument is preheated to 175-185 DEG C, 5-6min slices are cold-pressed again after hot pressing 5-6min,
Obtain the cold-resistant insulation material.
3. one kind -50 according to claim 2 spends low-smoke non-halogen flame-retardant cold-resistant insulation material, it is characterised in that step（1）In
Centrifugal speed is 4000-4500r/min.
4. one kind -50 according to claim 2 spends low-smoke non-halogen flame-retardant cold-resistant insulation material, it is characterised in that step（2）In
Whisker is the mixing of one or both of alkali magnesium sulfate crystal whisker, magnesium borate crystal whisker arbitrary proportion.
5. one kind -50 according to claim 2 spends low-smoke non-halogen flame-retardant cold-resistant insulation material, it is characterised in that step（3）In
Surface conditioning agent is silane coupling agent A151 or titante coupling agent JN201, and red phosphorus masterbatch is RPM650.
6. one kind -50 according to claim 2 spends low-smoke non-halogen flame-retardant cold-resistant insulation material, it is characterised in that step（4）In
TPU particles are polyether-type TPU (Bayer60A), polyester-type TPU (NX-60A), plasticizer DINCH, roller temperature are 160-170 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711113653.0A CN107641273A (en) | 2017-11-13 | 2017-11-13 | A kind of 50 degree of low-smoke non-halogen flame-retardant cold-resistant insulation material |
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| CN201711113653.0A CN107641273A (en) | 2017-11-13 | 2017-11-13 | A kind of 50 degree of low-smoke non-halogen flame-retardant cold-resistant insulation material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109265874A (en) * | 2018-09-29 | 2019-01-25 | 泉州市杰特化工科技有限公司 | The preparation method of high-intensitive resistance to combustion Corvic material |
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- 2017-11-13 CN CN201711113653.0A patent/CN107641273A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109265874A (en) * | 2018-09-29 | 2019-01-25 | 泉州市杰特化工科技有限公司 | The preparation method of high-intensitive resistance to combustion Corvic material |
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Application publication date: 20180130 |