CN105386294A - Polyester flame-retardant fabric and manufacturing method thereof - Google Patents
Polyester flame-retardant fabric and manufacturing method thereof Download PDFInfo
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- CN105386294A CN105386294A CN201510688672.0A CN201510688672A CN105386294A CN 105386294 A CN105386294 A CN 105386294A CN 201510688672 A CN201510688672 A CN 201510688672A CN 105386294 A CN105386294 A CN 105386294A
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- terylene
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- dacron
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Abstract
The invention provides a polyester flame-retardant fabric and a manufacturing method thereof. The method comprises the following steps that 1, a NaOH solution of the concentration being 3-6% is used for dipping the polyester fabric on the condition that the temperature is 70-90 DEG C, and the dipping time is 30-60 min; 2, the polyester fabric preprocessed in the first step is washed till the polyester fabric is neutral; 3, a phosphoric acid solution of the concentration being 1-3% is used for dipping the polyester fabric obtained in the second step on the condition that the temperature is 65-95 DEG C for 30-120 min; 4, the polyester flame-retardant fabric obtained in the third step is dried on the condition that the temperature is 170-200 DEG C, the baking time is 30-120 s, and the phosphoric acid flame-retardant polyester fabric is obtained. The obtained phosphoric acid flame-retardant polyester fabric has the advantages of being better in washability and fire resistance.
Description
Technical field
The invention belongs to flame-retardant textile technical field, especially relate to a kind of terylene flame-retardant textile and preparation method thereof.
Background technology
Dacron is widely used in the every field such as clothes, carpet, drapery, but it belongs to Flammable fibers and produces molten drop when burning, hidden danger is brought to user, the thing followed catches fire the fire that causes also in continuous increase by dacron, the casualties caused because of fire every year and corresponding economic loss countless, which limits the application of dacron.Therefore, in order to make dacron harmfulness in a fire reduce, carry out flame treatment to textiles and just seem very urgent, a kind of terylene flame-retardant textile and preparation method thereof awaits further research and development.
Summary of the invention
The object of this invention is to provide that a kind of structure is simple, simple to operate, good flame retardation effect terylene flame-retardant textile and preparation method thereof.
Technical scheme of the present invention is: the present invention includes boron phosphate flame retardant polyester fabric and preparation method thereof,
The preparation method of described boron phosphate flame retardant polyester fabric, comprises the following steps:
(1) be that under the condition of 70 DEG C-90 DEG C, carry out impregnation process by the NaOH solution of 3%-6% to dacron, dip time is 30-60min in temperature;
(2) will wash through step (1) pretreated dacron, be washed to neutrality;
(3) with 1%-3% boron phosphate solution, be under the condition of 65 DEG C-95 DEG C in temperature, carry out impregnation process to the dacron that step (2) obtains, dip time is 30-120min;
(4) the terylene flame-retardant textile that the terylene flame-retardant textile step (3) that baking step (3) obtains under 170 DEG C of-200 DEG C of conditions obtains, the time of baking is 30s-120s.
Further, the temperature of described step (1) is 90 DEG C, and the concentration of NaOH solution is 4%, and dip time is 40min.
Further, the temperature of described step (3) is 95 DEG C, and the concentration of boron phosphate solution is 3%, and dip time is 60min.
Further, the baking temperature of described step (4) is 190 DEG C, and the time of baking is 90s.
The advantage that the present invention has and good effect are:
1, boron phosphate flame-resistant terylene has good washability.
2, not there is chemical reaction between boron phosphate and terylene molecule.
3, inorganic combustion inhibitor boron phosphate is dissolved in hot water, Heat stability is good, easy to use and cheap, and the fire resistance of terylene is improved significantly, simple operating conditions, fire retardant cost is lower, therefore can be textile production and creates huge economic benefit.The fire retardant adopting inorganic combustion inhibitor boron phosphate to do terylene can significantly improve the anti-flammability of fabric.
Accompanying drawing explanation
Fig. 1 is the impact of pretreatment time on terylene tensile property;
Fig. 2 is the impact of pretreatment solution concentration on terylene tensile property
Fig. 3 is the impact of pretreatment temperature on terylene tensile property
Fig. 4 is that the concentration of boron phosphate is on the impact of terylene fire resistance
Fig. 5 is the impact of boron phosphate dip time on terylene fire resistance
Fig. 6 is the impact of boron phosphate dipping temperature on terylene fire resistance
Fig. 7 is the impact of baking temperature on boron phosphate flame retardant polyester fabric flame retardant effect
Fig. 8 bakes the impact of time on boron phosphate flame retardant polyester fabric flame retardant effect
Fig. 9 is after boron phosphate process and the TG curve of untreated dacron
Figure 10 is after boron phosphate process and the DTA curve of untreated dacron
Figure 11 is the hot property of boron phosphate fire-retardant front and back polyster fibre.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is elaborated.
As shown in Figure 1, the preparation method of a kind of terylene flame-retardant textile of the present invention, comprises the following steps:
(1) be that under the condition of 70 DEG C-90 DEG C, carry out impregnation process by the NaOH solution of 3%-6% to dacron, dip time is 30-60min in temperature;
(2) will wash through step (1) pretreated dacron, be washed to neutrality;
(3) with 1%-3% boron phosphate solution, be under the condition of 65 DEG C-95 DEG C in temperature, carry out impregnation process to the dacron that step (2) obtains, dip time is 30-120min;
(4) the terylene flame-retardant textile that baking step (3) obtains under 170 DEG C of-200 DEG C of conditions, the time of baking is 30s-120s.
The general principle of polyster fibre alkali treatment is saponification.In saponification process, because the cloud density of the carbonylic carbon atom of ester bond is lower, become the object that hydroxyl casts the first stone.After hydroxyl addition, the fracture of terylene macromolecular ester linkage hydrolyzing is degraded to Small molecular, finally generates the para-phthalic sodium of solubility and ethylene glycol Small molecular and leaves fiber, making the Mass lost of polyster fibre.Under normal temperature, terylene is very stable to alkali lye, and start saponification occurs when reaching vitrification point (81 DEG C) of terylene, along with the rising of pretreatment temperature, the speed of saponification is also accelerated thereupon.Under suitable pretreatment time and pretreatment temperature, by the NaOH solution of debita spissitudo, preliminary treatment is carried out to terylene, the configuration of surface of polyster fibre and internal structure can be made to change, dacron is after NaOH solution process, PET fiber surface can become rough and uneven in surface, the roughness of PET fiber surface increases, and produces micro-hole, and the degree of crystallinity namely reducing terylene forms hole.In the appearance of the hydrophilic radical that fiber surface produces due to saponification, polyster fibre hydrophily is increased, thus increases the contact area of polyster fibre and retardant solution, be conducive to the absorption of polyster fibre to fire retarding treating liquid.
As shown in Figure 1, along with the increase of pretreatment time, the reduction rate of terylene sample increases gradually.Compared with not pretreated terylene sample, TENSILE STRENGTH through the terylene sample of NaOH solution process decreases, this is because NaOH solution to the process of dacron alkali decrement treatment mainly hydroxide ion make the process of the chemical bond rupture of dacron, thus terylene surface is degraded, cause the strength damage of polyster fibre, TENSILE STRENGTH reduces.The pretreatment time of terylene is that 40min is comparatively suitable.
As shown in Figure 2, along with the increase of NaOH pretreatment solution concentration, the weight-loss ratio of terylene sample increases gradually.Compared with not pretreated terylene sample, the TENSILE STRENGTH through pretreated terylene sample declines to some extent, and loss of tensile strength rate increases with the concentration increase of NaOH solution.Be 4% proper to the concentration of the pretreated NaOH solution of terylene.
As shown in Figure 3, the concentration of fixing processing time 40min, Treatment Solution NaOH is 4%, and along with the continuous rising for the treatment of temperature, the weight-loss ratio of terylene sample constantly increases, and the TENSILE STRENGTH of terylene sample also constantly declines along with the continuous rising for the treatment of temperature.This be due to temperature low time, the activity of hydroxide ion is not high, and pretreating effect is bad, and temperature is too high, will destroy polyster fibre matrix, and therefore, treatment temperature is more suitable 90 DEG C time.
Can obtain the pretreated optimum condition of terylene by Fig. 1-Fig. 3 is: under 90 DEG C of conditions, with the NaOH solution process 40min of 4%.
As shown in Figure 4, dacron is after boron phosphate flame treatment, fabric rate of body weight gain (flame retardant agent content) is the leading indicator of reflection fabric flame-retardant agent carrying capacity, and along with the increase of fire retardant boron phosphate solution concentration, after process, the rate of body weight gain of dacron constantly increases.After boron phosphate is fire-retardant, the after flame time of dacron and char length all decline, and this illustrates that the fire resistance of boron phosphate fabric is strengthened along with the increase of amount of flame-retardant agent.When adopting this method to arrange dacron, according to the requirement to product anti-flammability, the flame retardant agent content of fabric can be controlled, to obtain suitable flame retardant effect, in conjunction with flame retardant effect, fabric feeling and experimental cost, be 3% make comparatively to be suitable for the concentration of the fire-retardant boron phosphate solution of terylene
As shown in Figure 5, at certain temperature (95 DEG C) and concentration (3%), along with the increase of dip time, the rate of body weight gain of flame retardant polyester fabric increases gradually, this is because the dip time of boron phosphate flame retardant solution to terylene grey fabric is longer, fire retardant and terylene effect more abundant, make the rate of body weight gain of dacron become large.Consider the factors such as flame retardant effect, fabric color, feel and cost, can show that boron phosphate is that 60min is more suitable to the dip time of terylene flame treatment.
As shown in Figure 6, to learn from else's experience pretreated terylene grey fabric sample, fixing dip time 60min, terylene sample is processed at different temperature respectively in the boron phosphate solution of 3%, fire retardant boron phosphate, at the penetration degree of dacron inside and the content on dacron thereof, directly affects rate of body weight gain and the fire resistance of dacron after flame treatment.Along with the raising of boron phosphate dipping temperature, the rate of body weight gain of terylene grey fabric increases gradually, and along with the increase of rate of body weight gain, after flame time and char length all decline.The dipping temperature of boron phosphate flame-resistant terylene should select 95 DEG C.
Boron phosphate solution to the optimum experimental condition that dacron carries out flame treatment is: the concentration of fire retardant boron phosphate is 3%, and dipping temperature is 95 DEG C, and dip time is 60min.
As shown in Figure 7, in order to make the dacron after process not only have good fire resistance, reach good washability, make again the strength loss of terylene little, best baking temperature is decided to be 190 DEG C.
As shown in Figure 8, because the interaction time of fire retardant and dacron increases, the char length of fabric declines all gradually, and fire resistance and washing fastness all improve.But when the time in this scope of 90s ~ 120s time, fire resistance, the washing fastness of dacron do not increase significantly.And overlong time, fabric feeling can be made to harden, and its colour changed into yellow.Therefore, the time is unsuitable long.In order to make the dacron after process not only have good fire resistance, reach good washability, it is 90s that the best bakes the time.
The best pretreatment condition of terylene is: under 90 DEG C of conditions, with the NaOH solution process 40min of 4%; The optimum resistance combustion treatment conditions of terylene are: namely the concentration of boron phosphate is 3%, and dipping temperature is 95 DEG C, and dip time is 60min; The best drying condition of boron phosphate flame-resistant terylene is: bake 90s at 190 DEG C.
Dacron is after ammonium phosphate process, and the after flame time of flame retardant polyester fabric is 1.8s, and the time of glowing is 3.1s, char length is 10.3cm, and dacron is after boron phosphate process, and the after flame time of flame retardant polyester fabric is 8.2s, the time of glowing is 0s, and char length is that 8.9cm is less than 10.3cm.As can be seen here, the flame retardant effect of boron phosphate flame retardant polyester fabric is than the good flame retardation effect of ammonium phosphate flame-resistant terylene.On the other hand, in the process of flame treatment, the gas of the irritant smell of ammonium phosphate is released.To sum up, inorganic combustion inhibitor boron phosphate is more suitable for than ammonium phosphate the flame treatment being applied to terylene.
As shown in figs. 9-11, melting after fire retardant boron phosphate is heated, glassy cover layer is formed in PET fiber surface, at condensed phase reaction zone, change the heat scission reaction course of polyster fibre, impel between the large molecule of terylene dewater, condensation, cyclisation, the reaction such as crosslinked, until carbonize, the carbonization residue amount of terylene is increased, decreases the generation of imflammable gas during polyster fibre thermal cracking.The layer of charcoal formed can avoid flammable pyrolysis product to convert gaseous fuel to, decrease the generation of imflammable gas, also the heat conducting barrier of one deck can be formed, have and stop heat transfer and thermal-radiating effect, the heat of PET fiber surface is fed back to when decreasing burning, thus the thermal cracking of the terylene polymer of lower floor can be suppressed, and then inhibit the further burning of terylene polymer, namely can improve the anti-flammability of terylene significantly.
Above one embodiment of the present of invention have been described in detail, but described content being only preferred embodiment of the present invention, can not being considered to for limiting practical range of the present invention.All equalizations done according to the present patent application scope change and improve, and all should still belong within patent covering scope of the present invention.
Claims (5)
1. a terylene flame-retardant textile, is characterized in that: described fabric is boron phosphate flame retardant polyester fabric.
2. a preparation method for terylene flame-retardant textile as claimed in claim 1, is characterized in that: comprise the following steps:
(1) be that under the condition of 70 DEG C-90 DEG C, carry out impregnation process by the NaOH solution of 3%-6% to dacron, dip time is 30-60min in temperature;
(2) will wash through step (1) pretreated dacron, be washed to neutrality;
(3) with 1%-3% boron phosphate solution, be under the condition of 65 DEG C-95 DEG C in temperature, carry out impregnation process to the dacron that step (2) obtains, dip time is 30-120min;
(4) the terylene flame-retardant textile that baking step (3) obtains under 170 DEG C of-200 DEG C of conditions, the time of baking is 30s-120s.
3. the preparation method of a kind of terylene flame-retardant textile according to claim 2, is characterized in that: the temperature of described step (1) is 90 DEG C, and the concentration of NaOH solution is 4%, and dip time is 40min.
4. the preparation method of a kind of terylene flame-retardant textile according to claim 2, is characterized in that: the temperature of described step (3) is 95 DEG C, and the concentration of boron phosphate solution is 3%, and dip time is 60min.
5. the preparation method of a kind of terylene flame-retardant textile according to claim 2, is characterized in that: the baking temperature of described step (4) is 190 DEG C, and the time of baking is 90s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510688672.0A CN105386294A (en) | 2015-10-16 | 2015-10-16 | Polyester flame-retardant fabric and manufacturing method thereof |
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| CN201510688672.0A CN105386294A (en) | 2015-10-16 | 2015-10-16 | Polyester flame-retardant fabric and manufacturing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106758168A (en) * | 2016-12-01 | 2017-05-31 | 西南大学 | Flame retardant polyester fabric preparation method based on nanometer boron phosphate |
| CN106801336A (en) * | 2016-12-14 | 2017-06-06 | 江苏华佳控股集团有限公司 | A kind of anti-flammability wool fabric and preparation method thereof |
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| US20090124735A1 (en) * | 2004-10-15 | 2009-05-14 | Chemische Fabrik Budenheim Kg | Moulded mass for producing objects that are poorly inflammable, pigment therefor, and use of the same |
| CN101824743A (en) * | 2009-12-08 | 2010-09-08 | 苏州双轮化纤有限公司 | Flame-proof finishing process for polyester fabric |
| JP2010534756A (en) * | 2007-07-28 | 2010-11-11 | ケミスケ ファブリック ブデンヘイム ケージー | Flame retardant polymer materials |
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| US20090124735A1 (en) * | 2004-10-15 | 2009-05-14 | Chemische Fabrik Budenheim Kg | Moulded mass for producing objects that are poorly inflammable, pigment therefor, and use of the same |
| JP2010534756A (en) * | 2007-07-28 | 2010-11-11 | ケミスケ ファブリック ブデンヘイム ケージー | Flame retardant polymer materials |
| CN101824743A (en) * | 2009-12-08 | 2010-09-08 | 苏州双轮化纤有限公司 | Flame-proof finishing process for polyester fabric |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106758168A (en) * | 2016-12-01 | 2017-05-31 | 西南大学 | Flame retardant polyester fabric preparation method based on nanometer boron phosphate |
| CN106801336A (en) * | 2016-12-14 | 2017-06-06 | 江苏华佳控股集团有限公司 | A kind of anti-flammability wool fabric and preparation method thereof |
| CN106801336B (en) * | 2016-12-14 | 2019-07-16 | 江苏华佳控股集团有限公司 | A kind of anti-flammability wool fabric and preparation method thereof |
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Application publication date: 20160309 |