CN103696240A - Flame-retardant finishing method of cotton packaging material - Google Patents
Flame-retardant finishing method of cotton packaging material Download PDFInfo
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- CN103696240A CN103696240A CN201310637030.9A CN201310637030A CN103696240A CN 103696240 A CN103696240 A CN 103696240A CN 201310637030 A CN201310637030 A CN 201310637030A CN 103696240 A CN103696240 A CN 103696240A
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Abstract
The invention discloses a flame-retardant finishing method of a cotton packaging material. The flame-retardant finishing method comprises the following steps: (1) carrying out padding treatment on a cotton fabric by using finishing liquor containing a flame retardant, wherein the finishing liquor comprises the following components: 250-400g/L flame retardant, 0.5-1g/L penetrating agent, 80-100g/L resin curing agent, 10g/t phosphoric acid and the balance of water; (2) drying the pad-rolled cotton fabric for 3-5 minutes at 150-160 DEG C; (3) carrying out alkaline washing on the dried cotton fabric in alkaline liquor; and (4) drying the cotton fabric subjected to alkaline washing, thus obtaining the finished product. The flame-retardant finishing method disclosed by the invention is simple in process and high in production efficiency; the produced cotton fabric as the finished product has the characteristics of good flame retardance, no toxicity or smell, high safety and the like.
Description
Technical field
The present invention relates to fire-proof finishing methods for textile field, particularly a kind of cotton packing material flame-retardant finishing method.
Background technology
At present, COTTON FABRIC, due to its Nantural non-toxic and soft comfortable characteristic, is more and more adopted people's favor.But COTTON FABRIC is a kind of material with danger of combustion, its oxygen index (OI) that contains only has 18, and not only burning velocity is fast, and has very large combustion-supporting property.Not only can not be fire-retardant when breaking out of fire, can encourage on the contrary the intensity of a fire and increase the weight of danger.It is inflammable that tradition cloth cover runs into naked light, brought billions of heavy losses of property to every year national enterprise cause and individual.This is also the puzzlement industry large knotty problem of decades.Therefore the cotton packing cloth cover that, has a fire resistance is also more and more subject to enterprise's cause and individual's favor.
Summary of the invention
The object of the present invention is to provide the cotton packing material flame-retardant finishing method that a kind of technique is simple, nonpoisonous and tasteless, also can keep COTTON FABRIC primary characteristic.
According to an aspect of the present invention, provide cotton packing material flame-retardant finishing method, comprised following steps:
(1) COTTON FABRIC is padded to processing with the dressing liquid that contains fire retardant, wherein the formula of dressing liquid is:
Fire retardant 250g/L～400g/L, bleeding agent 0.5～1g/L, resin are consolidated agent 80～100g/L, phosphatase 79～11g/L, all the other are water;
(2) COTTON FABRIC after padding is dried 3～5 minutes at 150 ℃～160 ℃;
(3) COTTON FABRIC after drying is carried out to alkali cleaning in alkali lye;
(4) COTTON FABRIC after alkali cleaning is dried and made finished product.
In some embodiments, in step (1), fire retardant is ammonium dihydrogen phosphate (ADP).
In some embodiments, the bleeding agent in step (1) is fatty alcohol-polyoxyethylene ether (JFC).
In some embodiments, the solid agent of the resin in step (1) is melmac or 2D resin (dihydroxymethyl dihydroxy ethyl ethylene urea).
In some embodiments, in step (1), pad at room temperature and carry out, it presses remaining rate is 70%～80%.
In some embodiments, the alkali lye in step (3) is that concentration is the sodium carbonate of 570g/L～600g/L.
COTTON FABRIC in the present invention is at room temperature padded with the fire retardant, bleeding agent and the resin that the contain dressing liquid that the pH value of agent is 6～7 admittedly, after at 130 ℃～150 ℃, dry, pass through again in alkali cleaning and the pH value of cloth cover to 7 left and right, then after drying, clot can make finished product.In drying course, the cellulose generation cross-linking reaction in the solid agent of resin and fire retardant and COTTON FABRIC, anchors at fire retardant on the cellulose of COTTON FABRIC.In course of reaction, owing to not containing the harmful substances such as formaldehyde, its finished product toxicity is very low.Wherein, pH value regulates with phosphoric acid.
Fire retardant mechanism: the combustion reaction principle of the product of the inventive method gained is catalytic dehydration opinion is mainly the thermal cracking processes that changes fiber.Fire retardant at high temperature resolves into phosphoric anhydride or phosphoric acid, cause gossypin strand before fracture, to produce strong dehydration (C6H10O5) n → 6n C5n H2O, fiber decomposes charing and produces moisture, even there is some crosslinked action, stop the generation of laevoglucose, suppressing fuel gas produces, volatile liquid is greatly reduced, solid carbon amount increases greatly, fabric cracking temperature through flame-proof treatment reduces simultaneously, pyrolysis time shortens, and imflammable gas in product (CO, C2H4, C2H6) reduces, and non-flammable gases (CO2 etc.) increases.Guarantee textiles dehydration carbonization, stop or reduce fuel gas to produce.In addition, phosphoric anhydride forms similar glass fused mass and covers on fabric when pyrolysis, impels its oxidation to generate carbon dioxide, plays fire retardation.Phosphonium flame retardant is due to Heat stability is good, and toxicity is low, has and has good fire resistance.
Bleeding agent fatty alcohol-polyoxyethylene ether (JFC) belongs to non-ionic surface active agent.Be to there is fixing hydrophilic and oleophilic group, on the surface of solution, can align, and the material that can make surface tension significantly decline.Bleeding agent has been osmosis, helps finishing agent to be penetrated into preferably fibrous inside, improves the uniformity that resin distributes at fibrous inside, to reduce the partial cross-linking phenomenon of resin, improves the elasticity and the feel that arrange.
In the solid agent of resin, contain nitrogen methylol, both can with COTTON FABRIC cellulose in hydroxyl generation cross-linking reaction, can also with fire retardant in hydroxyl react, fire retardant can be anchored on fiber securely.Phosphoric acid is to regulate dressing liquid pH value.Through repeatedly washing and also can keep the fire resistance of COTTON FABRIC.
The invention has the beneficial effects as follows: this method technique is simple, production efficiency is high, the finished product COTTON FABRIC fire resistance of producing is good, nonpoisonous and tasteless, security is high.
The specific embodiment
Embodiment 1
(1) textile calico (COTTON FABRIC) is at room temperature padded to processing with dressing liquid, be about to COTTON FABRIC and put into the dipping tank dipping that dressing liquid is housed, the COTTON FABRIC after dipping enters padding machine roll compacting again and removes unnecessary dressing liquid.Textile calico employing fabric width is 145cm-10s cotton yarn, and thread count is 30x30.
The formula of dressing liquid is: ammonium dihydrogen phosphate (ADP) 250g/L, fatty alcohol-polyoxyethylene ether 1g/L, 2D resin 80g/L, phosphatase 11 1g/L, all the other are water;
(2) COTTON FABRIC after padding is dried 5 minutes at 150 ℃;
(3) in the sodium carbonate solution that is 560g/L by the COTTON FABRIC after drying in concentration, carry out alkali cleaning;
(4) COTTON FABRIC after alkali cleaning is dried to clot and make finished product.
Embodiment 2
(1) textile calico (COTTON FABRIC) is at room temperature padded to processing with dressing liquid, be about to COTTON FABRIC and put into the dipping tank dipping that dressing liquid is housed, the COTTON FABRIC after dipping enters padding machine roll compacting again and removes unnecessary dressing liquid.Textile calico employing fabric width is 145cm-10s cotton yarn, and thread count is 30x30.
The formula of dressing liquid is: ammonium dihydrogen phosphate (ADP) 300g/L, fatty alcohol-polyoxyethylene ether 0.8g/L, 2D resin 90g/L, phosphatase 11 0g/L, all the other are water;
(2) COTTON FABRIC after padding is dried 4 minutes at 155 ℃;
(3) in the sodium carbonate solution that is 560g/L by the COTTON FABRIC after drying in concentration, carry out alkali cleaning;
(4) COTTON FABRIC after alkali cleaning is dried to clot and make finished product.
Embodiment 3
(1) textile calico (COTTON FABRIC) is at room temperature padded to processing with dressing liquid, be about to COTTON FABRIC and put into the dipping tank dipping that dressing liquid is housed, the COTTON FABRIC after dipping enters padding machine roll compacting again and removes unnecessary dressing liquid.Textile calico employing fabric width is 145cm+10s cotton yarn, and thread count is 30x30.
The formula of dressing liquid is: ammonium dihydrogen phosphate (ADP) 350g/L, fatty alcohol-polyoxyethylene ether 0.5g/L, melmac 100g/L, phosphatase 11 0g/L, all the other are water;
(2) COTTON FABRIC after padding is dried 3 minutes at 160 ℃;
(3) in the sodium carbonate solution that is 585g/L by the COTTON FABRIC after drying in concentration, carry out alkali cleaning;
(4) COTTON FABRIC after alkali cleaning is dried to clot and make finished product.
Embodiment 4
(1) textile calico (COTTON FABRIC) is at room temperature padded to processing with dressing liquid, be about to COTTON FABRIC and put into the dipping tank dipping that dressing liquid is housed, the COTTON FABRIC after dipping enters padding machine roll compacting again and removes unnecessary dressing liquid.Textile calico employing fabric width is 145cm+10s cotton yarn, and thread count is 30x30.
The formula of dressing liquid is: ammonium dihydrogen phosphate (ADP) 400g/L, fatty alcohol-polyoxyethylene ether 0.7g/L, melmac 95g/L, phosphatase 79 g/L, all the other are water;
(2) COTTON FABRIC after padding is dried 4 minutes at 160 ℃;
(3) in the sodium carbonate solution that is 585g/L by the COTTON FABRIC after drying in concentration, carry out alkali cleaning;
(4) the COTTON FABRIC oven dry after alkali cleaning is beaten to lane and make finished product.
Fire resistance, limited oxygen index and the ultimate strength of the COTTON FABRIC before and after above-described embodiment is arranged carry out contrast test, wherein
The fire resistance of fabric is pressed the test of GB5455-85 textile fabric combustibility vertical combustion method.
The limited oxygen index of fabric is pressed the test of GB5454-85 textile fabric combustibility oxygen index method.
GB3291～82 < < weaving vocabulary of terms (weaving, textile product common segment) > > test in the general provision > > of fabric ultimate strength GB3926-83 < < standardization effort guide rule standard of compiling.Test result is referring to table 1 and table 2.
Before arranging, the performance indications of COTTON FABRIC are in Table 1.
Table 1
After arranging, the performance indications of COTTON FABRIC are in Table 2.
Table 2
The after flame time of COTTON FABRIC, glow time and charcoal long pointer are all that numerical value is the smaller the better, and limited oxygen index is that numerical value is the bigger the better, and the ultimate strength of COTTON FABRIC is that numerical value is the bigger the better.So, as can be seen from the table, the COTTON FABRIC after flame-proof treatment, its fire resistance improves greatly, and the almost not impact of its intensity, therefore, the resulting COTTON FABRIC of this method has the advantages that fire resistance is good, safe.
Each raw material that the present invention is cited and the bound value of each raw material, and the bound value of each technological parameter, can realize the present invention, at this, do not enumerate embodiment.
Claims (6)
1. cotton packing material flame-retardant finishing method, comprises following steps:
(1) COTTON FABRIC is padded to processing with the dressing liquid that contains fire retardant, wherein the formula of dressing liquid is:
Fire retardant 250g/L～400g/L, bleeding agent 0.5～1g/L, resin are consolidated agent 80～100g/L, phosphatase 79～11g/L, all the other are water;
(2) COTTON FABRIC after padding is dried 3～5 minutes at 150 ℃～160 ℃;
(3) COTTON FABRIC after drying is carried out to alkali cleaning in alkali lye;
(4) COTTON FABRIC after alkali cleaning is dried and made finished product.
2. cotton packing material flame-retardant finishing method according to claim 1, is characterized in that, in step (1), fire retardant is ammonium dihydrogen phosphate (ADP).
3. cotton packing material flame-retardant finishing method according to claim 1, is characterized in that, the bleeding agent in step (1) is fatty alcohol-polyoxyethylene ether (JFC).
4. cotton packing material flame-retardant finishing method according to claim 1, is characterized in that, the solid agent of resin in step (1) is melmac or 2D resin (dihydroxymethyl dihydroxy ethyl ethylene urea).
5. cotton packing material flame-retardant finishing method according to claim 1, is characterized in that, in step (1), pads at room temperature and carries out, and it presses remaining rate is 70%～80%.
6. cotton packing material flame-retardant finishing method according to claim 1, is characterized in that, the alkali lye in step (3) is that concentration is the sodium carbonate of 570g/L～600g/L.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310637030.9A CN103696240A (en) | 2013-11-29 | 2013-11-29 | Flame-retardant finishing method of cotton packaging material |
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| CN201310637030.9A CN103696240A (en) | 2013-11-29 | 2013-11-29 | Flame-retardant finishing method of cotton packaging material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104862977A (en) * | 2015-04-17 | 2015-08-26 | 保定经纬纺织有限公司 | Yarn fire retardant and processing technology of fire-retardant yarn |
| CN112267297A (en) * | 2020-10-16 | 2021-01-26 | 温州市富驰无纺布包装有限公司 | Flame-retardant non-woven fabric and processing technology thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104862977A (en) * | 2015-04-17 | 2015-08-26 | 保定经纬纺织有限公司 | Yarn fire retardant and processing technology of fire-retardant yarn |
| CN112267297A (en) * | 2020-10-16 | 2021-01-26 | 温州市富驰无纺布包装有限公司 | Flame-retardant non-woven fabric and processing technology thereof |
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Application publication date: 20140402 |