CN109763193A - The fire-retardant enhancing dacron thread of one kind, ribbon and preparation method - Google Patents
The fire-retardant enhancing dacron thread of one kind, ribbon and preparation method Download PDFInfo
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- CN109763193A CN109763193A CN201811597757.8A CN201811597757A CN109763193A CN 109763193 A CN109763193 A CN 109763193A CN 201811597757 A CN201811597757 A CN 201811597757A CN 109763193 A CN109763193 A CN 109763193A
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Abstract
The present invention relates to a kind of fire-retardant enhancing dacron thread, ribbon and preparation methods, contain the following parts by weight in composition of raw materials: 80-90 parts of PET slices, 6-8 parts of fire-retardant master granules, 2-4 parts of MBS class core-shell type toughener, 0.5-1 parts of crystallization promoters, fire-retardant master granule include the component of following parts by weight: 3-6 parts of PET slices, 0.5-2 parts of DOPO base nitrogen phosphorus fire retardants and 0.5-1 parts of heat stabilizers；Fire-retardant enhancing dacron thread the preparation method comprises the following steps: pre-crystallized, dry PET slice, dry fire-retardant master granule, MBS class core-shell type toughener and crystallization promoter flowing modification agent are mixed after, PET melt is made, as-spun fibre is made in PET melt, as-spun fibre is oiled through ring wind quenching, oil nozzle, coiling and molding after set-stretching.Dacron thread of the invention has excellent flame retardant property and mechanical strength, be especially suitable for aviation freight house barrier ribbon.
Description
Technical field
The present invention relates to a kind of fire-retardant enhancing dacron thread, ribbon and preparation methods, belong to ribbon manufacturing technology field.
Background technique
Currently, the barrier ribbon of aviation freight house is usually prepared by dacron thread, but existing ordinary polyester ribbon exists
When encountering pyrotechnics, Mars, combustion phenomena even occurs for cavity easy to form, is far from satisfying stringent aviation cargo hold arresting net
The flame-retardancy requirements of ribbon, and air transportation must be in strict conformity with flight safety specification, otherwise not permission to take off is let pass.
In order to reach flame retardant property, existing aviation freight house barrier ribbon generallys use common dacron thread and is knitted
Then band coats flame retardant coating on ribbon, but this kind of ribbon only can satisfy general horizontal firing requirement, and cannot reach
To vertical combustion requirement, and flame retardant coating is easily damaged in use, further affects the flame retardant property of ribbon.Separately
Outside, as aviation freight house barrier ribbon, it is necessary to there is enough mechanical strengths.
Therefore, it is necessary to study a kind of fire-retardant enhancing dacron thread, to prepare the aviation freight house barrier ribbon of fire-retardant enhancing, fill
The flight safety of code insurance card aircraft.
Summary of the invention
The technical problem to be solved by the present invention is poor to solve the flame retardant property of existing aviation freight house barrier ribbon
Technical problem provides the fire-retardant enhancing dacron thread of one kind, ribbon and preparation method.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of fire-retardant enhancing dacron thread contains the following parts by weight in composition of raw materials: 80-90 parts of PET slices, 6-8
Part fire-retardant master granule, 2-4 parts of MBS class core-shell type toughener, 0.5-1 parts of crystallization promoters, the fire-retardant master granule include following weight
The component of part: 3-6 parts of PET slices, 0.5-2 parts of DOPO base nitrogen phosphorus fire retardants and 0.5-1 parts of heat stabilizers, the DOPO base nitrogen phosphorus
The structural formula of fire retardant are as follows:R is 1,4 '-penylenes or 4,4 '-biphenyl
Support.
Preferably, the composition of raw materials of the fire-retardant enhancing dacron thread further includes the black masterbatch of 1-3 parts by weight, the black masterbatch
Preferably Cabot black masterbatch, black masterbatch addition so that the dacron thread being process be black, eliminate dialogue dacron thread
Dye link.
Preferably, the composition of raw materials of the fire-retardant enhancing dacron thread further includes the auxiliary toughener of 0.5-1 parts by weight, described auxiliary
Toughener is one of poly butylene succinate, poly-epsilon-caprolactone, ethylene vinyl acetate copolymer or a variety of.
Preferably, the crystallization promoter is 4,6- di-tert-butyl based phosphates and/or 1,3,5- n-butylbenzene front threes
Amide.
Preferably, the heat stabilizer is 3,5- di-tert-butyl-4-hydroxyl benzyl diethyl phosphate, double octadecyl seasons penta
At least one of tetrol bis-phosphite, thio-2 acid octadecyl ester.
The present invention also provides a kind of preparation methods of above-mentioned fire-retardant enhancing dacron thread, comprising the following steps:
PET is sliced pre-crystallized, drying, fire-retardant master granule is dry；
By dry PET slice, dry fire-retardant master granule, MBS class core-shell type toughener and crystallization promoter flowing modification
After agent mixing, PET melt is made through screw extruder；
As-spun fibre is generated by each spinning pack is assigned to through metering pump after the PET melt filter-press；
The as-spun fibre is oiled through ring wind quenching, oil nozzle, coiling and molding after set-stretching.
Optimally, it is 160-170 DEG C that the PET, which is sliced pre-crystallized temperature, and drying temperature is 170-180 DEG C, dry air
Pressure is 0.18-0.22MPa, and dry air dew point is controlled at -80 DEG C or less；The drying temperature of the fire-retardant master granule is 120-140
℃。
Optimally, the screw speed of double screw extruder is 300-600r/min, and extrusion temperature is 260-290 DEG C, described
The temperature of PET melt is 285-290 DEG C.
Optimally, the circular blow air temperature of the ring wind quenching is 20-30 DEG C, outlet air wind pressure 500-600Pa, into circular blow head
Wind pressure be 20-30Pa, humidity 70-80%.
Optimally, the first hot-rolling speed of the set-stretching is 1000-1500m/min, and temperature is 90-100 DEG C；Second
Hot-rolling speed is 2500-3000m/min, and temperature is 120-130 DEG C；Winding speed is 4500-5000m/min, winding tension control
It is made as 10-15 lis of ox.
The present invention also provides a kind of ribbons, are woven by warp yarn and weft threads, and the warp yarn and weft threads are upper
The fire-retardant enhancing dacron thread stated.
The beneficial effects of the present invention are:
Fire-retardant enhancing dacron thread of the invention, composition of raw materials include by PET slice, triazines boron flame retardant and thermostabilization
Fire-retardant master granule, PET slice, MBS class core-shell type toughener and the crystallization promoter of agent compounding, wherein DOPO base nitrogen phosphorus fire retardant
With heat stabilizer compounding can the excellent flame retardant effect of endowing terylene silk, improve its service life, MBS class core-shell type toughening
Agent can improve the toughness and intensity of dacron thread, and crystallization promoter can advantageously promote the crystallization of melt, improve the knot of fiber
Brilliant performance makes it have more excellent mechanical strength.Fire-retardant enhancing dacron thread of the invention, which can be used for preparing, has fire-retardant increasing
The ribbon of potent fruit, be especially suitable for aviation freight house barrier ribbon.
Specific embodiment
The present invention is described in further detail now.
Embodiment 1
The present embodiment provides a kind of fire-retardant enhancing dacron thread, contained the following parts by weight in composition of raw materials: 85 parts of PET
Slice, 7 parts of fire-retardant master granules, 3 parts of MBS class core-shell type toughener, 1 part of auxiliary toughener, 0.7 part of crystallization promoter, 2 parts of card are rich
Goth black master batch, the fire-retardant master granule include the component of following parts by weight: 5 parts of PET slices, 1 part of DOPO base nitrogen phosphorus fire retardant and 0.7
Part heat stabilizer, the structural formula of the DOPO base nitrogen phosphorus fire retardant are as follows:
R is 1,4 '-penylenes；The MBS class core-shell type toughener is ROHM AND HAAS EXL-2690, and the auxiliary toughener is poly-succinic
Butanediol ester, the crystallization promoter are 4,6- di-tert-butyl based phosphates, and the heat stabilizer is 3,5- di-t-butyl -4-
Hydroxybenzyl phosphate diethylester.
The present invention also provides a kind of preparation methods of above-mentioned fire-retardant enhancing dacron thread, comprising the following steps:
PET slice is pre-crystallized at 165 DEG C, and dry at 175 DEG C (dry air pressure is 0.2MPa, dry air dew point
Control is at -80 DEG C or less), fire-retardant master granule is dry at 130 DEG C；
By dry PET slice, dry fire-retardant master granule, MBS class core-shell type toughener and crystallization promoter flowing modification
After agent mixing, PET melt is made through screw extruder；Each area's temperature of the screw rod of double screw extruder are as follows: 260 DEG C of an area, 2nd area
265 DEG C, 275 DEG C of 3rd area, 280 DEG C of 4th area, 285 DEG C of 5th area, 290 DEG C of 6th area, screw speed 500r/min；
As-spun fibre is generated by each spinning pack is assigned to through metering pump after the PET melt filter-press；
By the as-spun fibre through 25 DEG C ring wind quenching, oil nozzle oil, coiling and molding after set-stretching；The circular blow
Air cooling outlet air wind pressure 550Pa, the wind pressure into circular blow head are 25Pa, humidity 70-80%；First hot-rolling of the set-stretching
Speed is 1200m/min, and temperature is 95 DEG C；Second hot-rolling speed is 2700m/min, and temperature is 125 DEG C；Winding speed is
4700m/min, winding tension control are 13 lis of oxen.
The present embodiment also provides a kind of ribbon, is woven by warp yarn and weft threads, and the warp yarn and weft threads are
Above-mentioned fire-retardant enhancing dacron thread.
Embodiment 2
The present embodiment provides a kind of fire-retardant enhancing dacron thread, contained the following parts by weight in composition of raw materials: 80 parts of PET
Slice, 6 parts of fire-retardant master granules, 2 parts of MBS class core-shell type toughener, 0.5 part of auxiliary toughener, 0.5 part of crystallization promoter, 1 part of card
Goth black master batch is won, the fire-retardant master granule includes the component of following parts by weight: 3 parts of PET slices, 0.5 part of DOPO base nitrogen phosphorus fire retardant
With 0.5-1 parts of heat stabilizers, the structural formula of the DOPO base nitrogen phosphorus fire retardant are as follows:R is 4,4 '-biphenylenes；The MBS class core-shell type toughener is sieve
Door Haas EXL-2690, the auxiliary toughener are poly-epsilon-caprolactone, and the crystallization promoter is 1,3,5- n-butylbenzene, three formyl
Amine, the heat stabilizer are distearyl pentaerythritol diphosphite.
The present invention also provides a kind of preparation methods of above-mentioned fire-retardant enhancing dacron thread, comprising the following steps:
PET slice is pre-crystallized at 160 DEG C, and dry at 170 DEG C (dry air pressure is 0.18MPa, dry air dew point
Control is at -80 DEG C or less), fire-retardant master granule is dry at 120 DEG C；
By dry PET slice, dry fire-retardant master granule, MBS class core-shell type toughener and crystallization promoter flowing modification
After agent mixing, PET melt is made through screw extruder；Each area's temperature of the screw rod of double screw extruder are as follows: 260 DEG C of an area, 2nd area
265 DEG C, 275 DEG C of 3rd area, 280 DEG C of 4th area, 285 DEG C of 5th area, 285 DEG C of 6th area, screw speed 600r/min；
As-spun fibre is generated by each spinning pack is assigned to through metering pump after the PET melt filter-press；
By the as-spun fibre through 20 DEG C ring wind quenching, oil nozzle oil, coiling and molding after set-stretching；The circular blow
Air cooling outlet air wind pressure 500Pa, the wind pressure into circular blow head are 20Pa, humidity 70-80%；First hot-rolling of the set-stretching
Speed is 1000m/min, and temperature is 90 DEG C；Second hot-rolling speed is 2500m/min, and temperature is 120 DEG C；Winding speed is
4500m/min, winding tension control are 10 lis of oxen.
The present embodiment also provides a kind of ribbon, is woven by warp yarn and weft threads, and the warp yarn and weft threads are
Above-mentioned fire-retardant enhancing dacron thread.
Embodiment 3
The present embodiment provides a kind of fire-retardant enhancing dacron thread, contained the following parts by weight in composition of raw materials: 90 parts of PET
Slice, 8 parts of fire-retardant master granules, 4 parts of MBS class core-shell type toughener, 1 part of auxiliary toughener, 1 part of crystallization promoter, 3 parts of Cabot
Black masterbatch, the fire-retardant master granule include the component of following parts by weight: 6 parts of PET slices, 2 parts of DOPO base nitrogen phosphorus fire retardants and 1 part of heat
Stabilizer, the structural formula of the DOPO base nitrogen phosphorus fire retardant are as follows:R is
1,4 '-penylenes；The MBS class core-shell type toughener is ROHM AND HAAS EXL-2620, and the auxiliary toughener is ethylene-vinyl acetate
Ester copolymer, the crystallization promoter are 4, the 6- di-tert-butyl based phosphates and 1 that mass ratio is 1:1,3,5- n-butylbenzenes
Trimethamide, the heat stabilizer are thio-2 acid octadecyl ester.
The present invention also provides a kind of preparation methods of above-mentioned fire-retardant enhancing dacron thread, comprising the following steps:
PET slice is pre-crystallized at 170 DEG C, and dry at 180 DEG C (dry air pressure is 0.22MPa, dry air dew point
Control is at -80 DEG C or less), fire-retardant master granule is dry at 140 DEG C；
By dry PET slice, dry fire-retardant master granule, MBS class core-shell type toughener and crystallization promoter flowing modification
After agent mixing, PET melt is made through screw extruder；Each area's temperature of the screw rod of double screw extruder are as follows: 260 DEG C of an area, 2nd area
265 DEG C, 275 DEG C of 3rd area, 280 DEG C of 4th area, 285 DEG C of 5th area, 290 DEG C of 6th area, screw speed 600r/min；
As-spun fibre is generated by each spinning pack is assigned to through metering pump after the PET melt filter-press；
By the as-spun fibre through 30 DEG C ring wind quenching, oil nozzle oil, coiling and molding after set-stretching；The circular blow
Air cooling outlet air wind pressure 600Pa, the wind pressure into circular blow head are 30Pa, humidity 70-80%；First hot-rolling of the set-stretching
Speed is 1500m/min, and temperature is 100 DEG C；Second hot-rolling speed is 3000m/min, and temperature is 130 DEG C；Winding speed is
5000m/min, winding tension control are 15 lis of oxen.
The present embodiment also provides a kind of ribbon, is woven by warp yarn and weft threads, and the warp yarn and weft threads are
Above-mentioned fire-retardant enhancing dacron thread.
Embodiment 4
The present embodiment provides a kind of fire-retardant enhancing dacron thread, contained the following parts by weight in composition of raw materials: 85 parts of PET
Slice, 8 parts of fire-retardant master granules, 4 parts of MBS class core-shell type toughener, 1 part of crystallization promoter, 2 parts of Cabot black masterbatch, the resistance
The component that master batch includes following parts by weight: 5 parts of PET slices, 2 parts of DOPO base nitrogen phosphorus fire retardants and 1 part of heat stabilizer is fired, it is described
The structural formula of DOPO base nitrogen phosphorus fire retardant are as follows:R is 4,4 '-biphenylenes；
The MBS class core-shell type toughener is ROHM AND HAAS EXL-2620, and the crystallization promoter is 4,6- di-tert-butyl-phenyl phosphoric acid
Salt, the heat stabilizer are 3,5- di-tert-butyl-4-hydroxyl benzyl diethyl phosphate.
The present invention also provides a kind of preparation methods of above-mentioned fire-retardant enhancing dacron thread, comprising the following steps:
PET slice is pre-crystallized at 170 DEG C, and dry at 175 DEG C (dry air pressure is 0.2MPa, dry air dew point
Control is at -80 DEG C or less), fire-retardant master granule is dry at 140 DEG C；
By dry PET slice, dry fire-retardant master granule, MBS class core-shell type toughener and crystallization promoter flowing modification
After agent mixing, PET melt is made through screw extruder；Each area's temperature of the screw rod of double screw extruder are as follows: 260 DEG C of an area, 2nd area
265 DEG C, 275 DEG C of 3rd area, 280 DEG C of 4th area, 285 DEG C of 5th area, 290 DEG C, screw speed 600r/min of 6th area, the temperature of PET melt
Degree is 285 DEG C
As-spun fibre is generated by each spinning pack is assigned to through metering pump after the PET melt filter-press；
By the as-spun fibre through 25 DEG C ring wind quenching, oil nozzle oil, coiling and molding after set-stretching；The circular blow
Air cooling outlet air wind pressure 550Pa, the wind pressure into circular blow head are 25Pa, humidity 70-80%；First hot-rolling of the set-stretching
Speed is 1500m/min, and temperature is 100 DEG C；Second hot-rolling speed is 3000m/min, and temperature is 130 DEG C；Winding speed is
5000m/min, winding tension control are 15 lis of oxen.
The present embodiment also provides a kind of ribbon, is woven by warp yarn and weft threads, and the warp yarn and weft threads are
Above-mentioned fire-retardant enhancing dacron thread.
Embodiment 5
The present embodiment provides a kind of fire-retardant enhancing dacron thread and preparation method thereof, it the difference is that only with embodiment
Comprising 4 parts by weight MBS class core-shell type toughener, without auxiliary toughener in composition of raw materials.
The fire-retardant enhancing dacron thread of embodiment 1-5 is tested for the property, the stretching using ASTM D638 test product is strong
Degree and elongation at break, with the flame retardant rating of standard UL94 test product.The properties of product test result of embodiment 1-5 such as table 1
It is shown.
The properties of product test result of 1 embodiment 1-5 of table
As shown in Table 1, fire-retardant enhancing dacron thread flame retardant rating prepared by the present invention reaches V0 rank, tensile strength and fracture
Elongation is good, has excellent flame retardant property and mechanical strength.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of fire-retardant enhancing dacron thread, which is characterized in that contained the following parts by weight in composition of raw materials: 80-90 parts of PET
Slice, 6-8 parts of fire-retardant master granules, 2-4 parts of MBS class core-shell type toughener, 0.5-1 parts of crystallization promoters, the fire-retardant master granule include
The component of following parts by weight: 3-6 parts of PET slices, 0.5-2 parts of DOPO base nitrogen phosphorus fire retardants and 0.5-1 parts of heat stabilizers, it is described
The structural formula of DOPO base nitrogen phosphorus fire retardant are as follows:R be 1,4 '-penylenes or
4,4 '-biphenylenes.
2. fire-retardant enhancing dacron thread according to claim 1, which is characterized in that the raw material of the fire-retardant enhancing dacron thread is matched
Side further includes the black masterbatch of 1-3 parts by weight, and the black masterbatch is preferably Cabot black masterbatch.
3. fire-retardant enhancing dacron thread according to claim 1 or 2, which is characterized in that the original of the fire-retardant enhancing dacron thread
Material formula further includes the auxiliary toughener of 0.5-1 parts by weight, the auxiliary toughener be poly butylene succinate, poly-epsilon-caprolactone,
One of ethylene vinyl acetate copolymer is a variety of.
4. fire-retardant enhancing dacron thread according to claim 1-3, which is characterized in that the crystallization promoter is 4,
6- di-tert-butyl based phosphates and/or 1,3,5- n-butylbenzene trimethamides, the heat stabilizer are 3,5- di-t-butyl -4-
At least one of hydroxybenzyl phosphate diethylester, distearyl pentaerythritol diphosphite, thio-2 acid octadecyl ester.
5. a kind of preparation method of the described in any item fire-retardant enhancing dacron threads of claim 1-4, which is characterized in that including following
Step:
PET is sliced pre-crystallized, drying, fire-retardant master granule is dry；
Dry PET slice, dry fire-retardant master granule, MBS class core-shell type toughener and crystallization promoter flowing modification agent are mixed
After conjunction, PET melt is made through screw extruder；
As-spun fibre is generated by each spinning pack is assigned to through metering pump after the PET melt filter-press；
The as-spun fibre is oiled through ring wind quenching, oil nozzle, coiling and molding after set-stretching.
6. the preparation method of fire-retardant enhancing dacron thread according to claim 5, which is characterized in that the pre- knot of PET slice
Brilliant temperature is 160-170 DEG C, and drying temperature is 170-180 DEG C, and dry air pressure is 0.18-0.22MPa, dry air dew point control
System is at -80 DEG C or less；The drying temperature of the fire-retardant master granule is 120-140 DEG C.
7. the preparation method of fire-retardant enhancing dacron thread according to claim 5 or 6, which is characterized in that double screw extruder
Screw speed be 300-600r/min, extrusion temperature is 260-290 DEG C, and the temperature of the PET melt is 285-290 DEG C.
8. a kind of preparation method of the described in any item fire-retardant enhancing dacron threads of claim 5-7, which is characterized in that the circular blow
The circular blow air temperature of air cooling is 20-30 DEG C, outlet air wind pressure 500-600Pa, and the wind pressure into circular blow head is 20-30Pa, and humidity is
70-80%.
9. a kind of preparation method of the described in any item fire-retardant enhancing dacron threads of claim 5-8, which is characterized in that the stretching
First hot-rolling speed of setting is 1000-1500m/min, and temperature is 90-100 DEG C；Second hot-rolling speed is 2500-3000m/
Min, temperature are 120-130 DEG C；Winding speed is 4500-5000m/min, and winding tension control is 10-15 lis of ox.
10. a kind of ribbon, is woven by warp yarn and weft threads, the warp yarn and weft threads are that claim 1-5 is any
Fire-retardant enhancing dacron thread described in.
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| CN110468484A (en) * | 2019-07-30 | 2019-11-19 | 福建省百凯经编实业有限公司 | A kind of environment-friendly plus material and its processing method |
| CN111041569A (en) * | 2019-12-16 | 2020-04-21 | 中山市冠一织带有限公司 | Flame-retardant reinforced polyester yarn, woven tape and preparation method |
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