CN103898744B - The preparation method of a kind of halogen-free flameproof not melted nylon 66 fabric - Google Patents

The preparation method of a kind of halogen-free flameproof not melted nylon 66 fabric Download PDF

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Publication number
CN103898744B
CN103898744B CN201410149444.1A CN201410149444A CN103898744B CN 103898744 B CN103898744 B CN 103898744B CN 201410149444 A CN201410149444 A CN 201410149444A CN 103898744 B CN103898744 B CN 103898744B
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China
Prior art keywords
fabric
halogen
flame
fire resistant
resistant fluid
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Expired - Fee Related
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CN201410149444.1A
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CN103898744A (en
Inventor
张胜
陈宸
谷晓昱
孙军
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Beijing University of Chemical Technology
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Beijing University of Chemical Technology
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Abstract

The present invention relates to a kind of manufacture method of not melting halogen-free flame-proof nylon 66 having fabric, belong to fabrics flame resistance modification field.First fabric is carried out preliminary treatment, then making it with the nitrogen phosphorus fire retardant containing PNF, AS and HEDP by fully flooding, after conventional compregnate technique, through curing fire retardant and fabric strong bonded, thus reaching the object of fire-retardant anti-molten droplet.The object of the present invention is to provide a kind of manufacture method of not melting halogen-free flame-proof nylon 66 having fabric, the drawback that when overcoming Halogen in prior art and burning, molten drop is serious.Have good fire resistance by the fabric of said method process, and fabric color, feel are without significant change, experiment shows, after process, the oxygen index value of polyamide fibre sample has brought up to 26.0% from 21.1%.Vertical combustion result shows, the nylon fabric sample char length processed is down to 10.6cm by 14.0cm, after flame time shortens to 1.3s by 68.9s, and molten drop number tails off during burning, fabric becomes carbon good, and amount of flame-retardant agent is few, and technique is simple, with low cost, be a kind of highly effective flame resistant method.

Description

The preparation method of a kind of halogen-free flameproof not melted nylon 66 fabric
Technical field
The present invention relates to a kind of preparation method of nylon66 fiber fabric, be specifically related to the preparation method of a kind of halogen-free flameproof not melted nylon 66.
Background technology
Apply comparatively widely though nylon 66 fiber fabric has, but because its melt temperature differs larger with ignition temperature, during burning, fabric sharply curls contraction, easily forms molten drop, and these droppings are easy to skin ambustion and make fire spreading cause spot fire to other materials.This shortcoming have impact on the application of nylon66 fiber fabric greatly.
In recent years, people have carried out a lot of research to the flame-proof treatment of nylon fabrics, but its surface-activity is poor, fire retardant is difficult to penetrate into fibrous inside, causes and acts on nylon fabric all do not reach good flame retardant effect to the fire-retardant effective phosphorus of other synthetic fabrics, halogenated flame retardant.So it is low to seek a kind of cost, environmental protection, the nylon fire retardant that efficiency is high and method for modifying flame have become current urgent problem.
Treatment method is a kind of halogen-free flame-retardant system and postfinishing process of being applicable to nylon66 fiber fabric, when not affecting the original physical and mechanical properties of nylon66 fiber fabric and feel, overcome the molten drop problem in nylon66 fiber fabric combustion process, prepare the novel flame-retardant fabric of the high-efficiency environment friendly fire resistance with not melting behaviour.
Summary of the invention
The technical problem that the present invention mainly solves there is provided the manufacture method of a kind of halogen-free flameproof not melted nylon 66 fabric, overcome the molten drop problem in nylon66 fiber fabric combustion process, prepare the novel flame-retardant fabric with not melting behaviour and high-efficiency environment friendly fire resistance.
For achieving the above object, the present invention adopts following technical scheme:
A preparation method for halogen-free flameproof not melted nylon 66 fabric, is characterized in that, comprise the steps:
(1) with aqueous slkali, preliminary treatment is carried out to polyamide fibre: prepare certain density aqueous slkali, heat until solution boiling after put into fabric, continue to boil certain hour, after through washing dry stand-by.
(2) prepare fire resistant fluid: take certain density nitrogen phosphorus composite flame-retardant agent respectively, be dissolved in the water of uniform temperature and fully stir obtained fire resistant fluid.
(3) two leaching two roll process: fabric fully be impregnated in the fire resistant fluid of preparation, soak a period of time, complete the experimental procedure that two leachings two are rolled afterwards.
(4) bake: the preliminary drying and bake certain hour at a certain temperature respectively of the fabric after two leachings two are rolled.
Step of the present invention (1) concentration of sodium carbonate used is 1g/L ~ 3g/L, and boiling time is 20min ~ 40min.
Step of the present invention (2) phosphor nitrogen combustion inhibitor formula used is the derivative of organic phosphorus PNF of 20% ~ 30%, the sulfamic acid amine of 10% ~ 20%, adds the 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid of 1% ~ 3%, and solution temperature is 50 ~ 100 DEG C.
In step of the present invention (2), the immersion treatment time is 10min ~ 30min, and the pressure of padding machine should control as 0.2MPa ~ 0.4MPa.
Oven dry scheme is preliminary drying 4 ~ 6 minutes at 100 DEG C in step of the present invention (4), bakes 1 ~ 3 minute afterwards at 150 DEG C.
The invention provides the manufacture method of a kind of halogen-free flameproof not melted nylon 66 fabric, experimental result shows that the oxygen index value processing rear polyamide fibre sample has brought up to 26.0% from 21.1%.Vertical combustion result shows, and the nylon fabric sample char length processed is down to 10.6cm by 14.0cm, and after flame time shortens to 1.3s by 68.9s.The fabric of the method process has good fire resistance, and fabric color, feel are without significant change, and during burning, molten drop number tails off, and fabric becomes carbon good.
Detailed description of the invention
Be described principle of the present invention and feature with the following Examples, illustrated embodiment, only for explaining the present invention, is not intended to limit scope of the present invention.
Embodiment 1
(1) with aqueous slkali, preliminary treatment is carried out to polyamide fibre: preparation 1g/L aqueous slkali, heats and put into fabric after solution boiling, continue to boil 40min, after dry stand-by through washing.
(2) configure fire resistant fluid: take the PNF of 20%, the AS of 10% respectively, add the HEDP of 1%, be dissolved in the water of uniform temperature and fully stir obtained fire resistant fluid.
(3) two leaching two compression technologies: fabric fully be impregnated in the fire resistant fluid of preparation, soak 10min, complete the experimental procedure that two leachings two are pressed afterwards.
(4) bake: the fabric preliminary drying 6 minutes and bake 2 minutes at 150 DEG C at 100 DEG C respectively after two leaching two pressures.
Embodiment 2
(1) with aqueous slkali, preliminary treatment is carried out to polyamide fibre: preparation 2g/L aqueous slkali, heats and put into fabric after solution boiling, continue to boil 30min, after dry stand-by through washing.
(2) configure fire resistant fluid: take the PNF of 26%, the AS of 14% respectively, add the HEDP of 2%, be dissolved in the water of uniform temperature and fully stir obtained fire resistant fluid.
(3) two leaching two compression technologies: fabric fully be impregnated in the fire resistant fluid of preparation, soak 20min, complete the experimental procedure that two leachings two are pressed afterwards.
(4) bake: the fabric preliminary drying 5 minutes and bake 2 minutes at 150 DEG C at 100 DEG C respectively after two leaching two pressures.
Embodiment 3
(1) with aqueous slkali, preliminary treatment is carried out to polyamide fibre: preparation 2g/L aqueous slkali, heats and put into fabric after solution boiling, continue to boil 25min, after dry stand-by through washing.
(2) configure fire resistant fluid: take the PNF of 23%, the AS of 19% respectively, add the HEDP of 1%, be dissolved in the water of uniform temperature and fully stir obtained fire resistant fluid.
(3) two leaching two compression technologies: fabric fully be impregnated in the fire resistant fluid of preparation, soak 30min, complete the experimental procedure that two leachings two are pressed afterwards.
(4) bake: the fabric preliminary drying 5 minutes and bake 1 minute at 150 DEG C at 100 DEG C respectively after two leaching two pressures.
Embodiment 4
(1) with aqueous slkali, preliminary treatment is carried out to polyamide fibre: preparation 3g/L aqueous slkali, heats and put into fabric after solution boiling, continue to boil 20min, after dry stand-by through washing.
(2) configure fire resistant fluid: take the PNF of 30%, the AS of 10% respectively, add the HEDP of 2%, be dissolved in the water of uniform temperature and fully stir obtained fire resistant fluid.
(3) two leaching two compression technologies: fabric fully be impregnated in the fire resistant fluid of preparation, soak 10min, complete the experimental procedure that two leachings two are pressed afterwards.
(4) bake: the fabric preliminary drying 4 minutes and bake 1 minute at 150 DEG C at 100 DEG C respectively after two leaching two pressures.
Embodiment 5
(1) with aqueous slkali, preliminary treatment is carried out to polyamide fibre: preparation 2g/L aqueous slkali, heats and put into fabric after solution boiling, continue to boil 35min, after dry stand-by through washing.
(2) configure fire resistant fluid: take the PNF of 27%, the AS of 13% respectively, add the HEDP of 2%, be dissolved in the water of uniform temperature and fully stir obtained fire resistant fluid.
(3) two leaching two compression technologies: fabric fully be impregnated in the fire resistant fluid of preparation, soak 30min, complete the experimental procedure that two leachings two are pressed afterwards.
(4) bake: the fabric preliminary drying 5 minutes and bake 2 minutes at 150 DEG C at 100 DEG C respectively after two leaching two pressures.
Embodiment 6
(1) with aqueous slkali, preliminary treatment is carried out to polyamide fibre: preparation 1g/L aqueous slkali, heats and put into fabric after solution boiling, continue to boil 28min, after dry stand-by through washing.
(2) configure fire resistant fluid: take the PNF of 25%, the AS of 15% respectively, add the HEDP of 3%, be dissolved in the water of uniform temperature and fully stir obtained fire resistant fluid.
(3) two leaching two compression technologies: fabric fully be impregnated in the fire resistant fluid of preparation, soak 15min, complete the experimental procedure that two leachings two are pressed afterwards.
(4) bake: the fabric preliminary drying 6 minutes and bake 1 minute at 150 DEG C at 100 DEG C respectively after two leaching two pressures.
Embodiment 7
(1) with aqueous slkali, preliminary treatment is carried out to polyamide fibre: preparation 3g/L aqueous slkali, heats and put into fabric after solution boiling, continue to boil 25min, after dry stand-by through washing.
(2) configure fire resistant fluid: take the PNF of 22%, the AS of 18% respectively, add the HEDP of 2%, be dissolved in the water of uniform temperature and fully stir obtained fire resistant fluid.
(3) two leaching two compression technologies: fabric fully be impregnated in the fire resistant fluid of preparation, soak 27min, complete the experimental procedure that two leachings two are pressed afterwards.
(4) bake: the fabric preliminary drying 4 minutes and bake 1 minute at 150 DEG C at 100 DEG C respectively after two leaching two pressures.
Embodiment 8
(1) with aqueous slkali, preliminary treatment is carried out to polyamide fibre: preparation 2g/L aqueous slkali, heats and put into fabric after solution boiling, continue to boil 23min, after dry stand-by through washing.
(2) configure fire resistant fluid: take the PNF of 21%, the AS of 15% respectively, add the HEDP of 2%, be dissolved in the water of uniform temperature and fully stir obtained fire resistant fluid.
(3) two leaching two compression technologies: fabric fully be impregnated in the fire resistant fluid of preparation, soak 15min, complete the experimental procedure that two leachings two are pressed afterwards.
(4) bake: the fabric preliminary drying 4 minutes and bake 1 minute at 150 DEG C at 100 DEG C respectively after two leaching two pressures.
Embodiment 9
(1) with aqueous slkali, preliminary treatment is carried out to polyamide fibre: preparation 1g/L aqueous slkali, heats and put into fabric after solution boiling, continue to boil 25min, after dry stand-by through washing.
(2) configure fire resistant fluid: take the PNF of 26%, the AS of 13% respectively, add the HEDP of 1%, be dissolved in the water of uniform temperature and fully stir obtained fire resistant fluid.
(3) two leaching two compression technologies: fabric fully be impregnated in the fire resistant fluid of preparation, soak 27min, complete the experimental procedure that two leachings two are pressed afterwards.
(4) bake: the fabric preliminary drying 5 minutes and bake 1 minute at 150 DEG C at 100 DEG C respectively after two leaching two pressures.
Table 1. each embodiment flame retardant test result
Embodiment Oxygen index (OI)/% After flame time/s The time of glowing/s Char length/cm With or without molten drop
Former cloth 21.1 68.9 0 14 Have
1 25.8 3.3 0 10.2 Nothing
2 25.1 4.9 0 12.0 Nothing
3 25.6 2.5 0 11.5 Nothing
4 24.9 9.2 0 12.8 Nothing
5 26.0 1.3 0 13.1 Nothing
6 25.0 4.7 0 10.6 Nothing
7 25.2 2.8 0 12.9 Nothing
8 25.2 3.1 0 13.5 Nothing
9 24.7 1.8 0 11.7 Nothing

Claims (2)

1. a manufacture method for halogen-free flameproof not melted nylon 66 fabric, is characterized in that: use halogen-free environmental nitrogen phosphorus fire retardant, adds 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid to reduce molten drop.
2. a manufacture method for halogen-free flameproof not melted nylon 66 fabric, comprises the following steps:
(1) with aqueous slkali, preliminary treatment is carried out to polyamide fibre: obtain solution concentration is the Na of 1g/L ~ 3g/L 2cO 3solution, heats and puts into fabric and continue to boil 20min ~ 40min after solution boiling, after dry stand-by through washing;
(2) prepare fire resistant fluid: take certain density composite flame-retardant agent respectively, be dissolved in the water of uniform temperature and fully stir obtained fire resistant fluid;
(3) two leaching two roll process: fully be impregnated in the fire resistant fluid of preparation by fabric, the immersion treatment time is 10min ~ 30min, and the pressure of padding machine is 0.2MPa ~ 0.4MPa, completes the experimental procedure that two leachings two are rolled afterwards;
(4) bake: the fabric after two leachings two are rolled is preliminary drying 4 ~ 6 minutes at 100 DEG C first, bakes 1 ~ 3 minute afterwards at 150 DEG C;
It is characterized in that the composite flame-proof agent prescription used in step (2) is: the derivative of organic phosphorus PNF of 20% ~ 30%, the Amcide Ammate of 10% ~ 20%, adds the 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid of 1% ~ 3%, and solution temperature is 50-100 DEG C.
CN201410149444.1A 2014-04-13 2014-04-13 The preparation method of a kind of halogen-free flameproof not melted nylon 66 fabric Expired - Fee Related CN103898744B (en)

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Publication number Priority date Publication date Assignee Title
CN105332264A (en) * 2015-11-21 2016-02-17 北京化工大学 Flame-retardant modified synthetic fabric adopting water-soluble protein
CN105603742B (en) * 2016-01-26 2017-12-29 北京化工大学 A kind of method of the flame-retardant modified synthetic textiles of protein
CN105696320A (en) * 2016-03-14 2016-06-22 湖州新创丝织品有限公司 Flame-retardant finishing method for polyamide fabric
CN106917207A (en) * 2017-04-25 2017-07-04 海安县华荣化纤有限公司 A kind of preparation method of modified nylon long filament

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