CN105297404A - Expansion flame retardant system for mattress or pillow inner-sleeve filler flame retarding and method thereof - Google Patents
Expansion flame retardant system for mattress or pillow inner-sleeve filler flame retarding and method thereof Download PDFInfo
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- CN105297404A CN105297404A CN201510870804.1A CN201510870804A CN105297404A CN 105297404 A CN105297404 A CN 105297404A CN 201510870804 A CN201510870804 A CN 201510870804A CN 105297404 A CN105297404 A CN 105297404A
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Abstract
The invention discloses an expansion flame retardant system for mattress or pillow inner-sleeve filler flame retarding and a method thereof. Yarns or cloth with a raw material of cellulosic fiber or the cellulosic fiber blended with chemical fiber is processed by using an inorganic flame retardant containing nitrogen and phosphorus, so that the yarns or the cloth and the inorganic flame retardant containing the nitrogen and the phosphorus form the expansion flame retardant system; a covering expansion function achieved when the inorganic flame retardant containing the nitrogen and the phosphorus is heated is used, so that the yarns or the cloth has flame retardance; the yarns or the cloth is made into an inner sleeve of a mattress or a pillow, and the inner sleeve wraps a filler, so that in case of open fire on the mattress or the pillow, flame cannot pass through the inner sleeve to ignite the filler, and flame retarding of the mattress or the pillow is realized and passes America 16CFR1633 mattress flame retarding standard detection. The price of the flame retardant mattress inner sleeve is lowered by half in comparison with a mattress inner sleeve formed by weaving glass fibre flame retardant core-spun yarns; meanwhile, the flame retardant mattress inner sleeve can be degraded in the natural environment after being discarded, while glass fibre contained in the glass fibre flame retardant core-spun yarns cannot naturally degrade so that the environment is polluted; besides, smoke generated by the flame retardant mattress inner sleeve in fire is obviously less than that generated by the glass fibre flame retardant core-spun yarns.
Description
Technical field
The present invention relates to the flame retardant area of mattress or pillow inner sleeve filler, be specifically related to a kind of for mattress or the fire-retardant Intumescent Retardant System of pillow inner sleeve filler and method thereof.
Background technology
In July, 2007 rises, and the mattress that American market is sold must be detected by 16CFR1633 mattress flame-retardant standard.
Mattress divides sping mattress and the filled type mattress that is filler with sponge, latex etc.Mattress is detected by 16CFR1633 mattress flame-retardant standard, the Thermal release value of mattress when accepting naked light and detecting must be made lower than standard permissible level.
Control Thermal release value, key is to ensure when accepting naked light and detecting, and the inflammable filler of mattress is not ignited initiation big fire.
At present, on American market mattress of selling mainly adopt in two ways protect filler do not ignited.One is make fire retardant nonwoven fabric with phosphorous flame-retardant viscose, then makes mattress inner sleeve with fire retardant nonwoven fabric, is wrapped up completely by filler.Two is take glass fiber as inner core, take fire resistance fibre as outer wrapping fiber, be spun into combustion-proof glass fiber composite yarn, Weft knitting TUBULAR FABRIC is woven into again with combustion-proof glass fiber composite yarn, then TUBULAR FABRIC (being generally the larger single jersey of elasticity or rib fabric) is directly placed on filler, two ends are locked, make mattress inner sleeve.
The principle of above two kinds of modes is between filler and external casing of mattress, design one deck mattress inner sleeve, when external casing of mattress burns, because flame cannot through the inner sleeve be made up of fire proofing, thus protect filler not ignited.
Summary of the invention
The object of this invention is to provide a kind of for mattress or the fire-retardant Intumescent Retardant System of pillow inner sleeve filler and method thereof.
Technical scheme of the present invention is as follows:
A kind ofly comprise phosphorous nitrogenous inorganic combustion inhibitor and carbon source for mattress or the fire-retardant Intumescent Retardant System of pillow inner sleeve filler, described phosphorous nitrogenous inorganic combustion inhibitor is as the acid source of flame-retardant system and source of the gas, described carbon source is the blending of cellulose fibre or cellulose fibre and chemical fibre, described carbon source is by flooding the aqueous solution of described phosphorous nitrogenous inorganic combustion inhibitor and after dewatered drying, forming Intumescent Retardant System with described phosphorous nitrogenous inorganic combustion inhibitor.
Preferably, described cellulose fibre is one or more in natural cotton, bamboo fibre, viscose, zein fiber, flax fibre, wood pulp fibre, fibre and soya, more preferably bamboo fibre, because a. raw material is easy to get, and relative low price; B. bamboo fibre has moment water imbibition, is convenient to impregnation processability; C. bamboo fibre is natural sterilizing fiber, to the everyday exposure such as Escherichia coli, staphylococcus aureus to bacterium there is sterilization, bacteriostasis, this concerning the applied environment of mattress inner sleeve and cannot unload washing feature, most important.
In described cellulose fibre and the blending of chemical fibre, the mass percentage content of cellulose fibre is greater than 11%, and more preferably, in blending, the mass percentage content of cellulose fibre is not less than 50%.
Preferably, described phosphorous nitrogenous inorganic combustion inhibitor is one or more in liquid APP, water-soluble poly ammonium phosphate, diammonium hydrogen phosphate or ammonium dihydrogen phosphate (ADP).
The invention also discloses a kind of there is the yarn of described Intumescent Retardant System preparation method and application for the manufacture of mattress or pillow inner sleeve, preparation method is:
1) the blended yarn cylinder of silvalin cylinder or cellulose fibre and chemical fibre is machined to the fluffy fluffy yarn cylinder be wrapped on hollow out spool through loose type coning;
2) fluffy yarn cylinder is soaked into completely in phosphorous nitrogenous aqueous inorganic flame retardant solution;
3) dewater, dry.
The invention also discloses a kind of there is the cloth of described Intumescent Retardant System preparation method and application for the manufacture of mattress or pillow inner sleeve, preparation method is:
1) the blending TUBULAR FABRIC of cellulose fibre TUBULAR FABRIC or cellulose fibre and chemical fibre is soaked into completely in phosphorous nitrogenous aqueous inorganic flame retardant solution;
2) dry, dry.
In the preparation method of described yarn or cloth, the concentration of phosphorous nitrogenous aqueous inorganic flame retardant solution is with after flooding and drying, and superfine phosphorus nitrogen mixed-powder evenly can be attached between yam surface and fiber and be as the criterion.The saturated aqueous solution of the present invention preferably liquid APP or water-soluble poly ammonium phosphate, ammonium dihydrogen phosphate (ADP), diammonium hydrogen phosphate, the aqueous solution be configured to by 1:1 volumetric ratio with water.If do not add dilution, inner sleeve cloth feel can hardening, become puckery.
Dewater or dry the common process that technique is corresponding field, bake out temperature is 100-110 DEG C.
The flame resistant method of mattress or pillow filler is: utilize phosphorous nitrogenous inorganic combustion inhibitor processing process yarn or cloth, yarn or cloth and phosphorous nitrogenous inorganic combustion inhibitor is made to form Intumescent Retardant System, utilize the covering expansion function had during phosphorous nitrogenous inorganic combustion inhibitor heat, yarn or cloth is made to have anti-flammability, yarn or cloth are made into the inner sleeve of mattress or pillow, inner sleeve parcel filler, make mattress or pillow when meeting naked light, flame can not to ignite filler through inner sleeve, realizes the fire-retardant of mattress or pillow.
The yarn of application the inventive method impregnation process and cloth, finally all for mattress or pillow inner sleeve.Because inner sleeve also has mattress or pillow casing protection outward, and mattress manufacture business is for controlling cost, and considers fire safety, all mattress inner sleeve is made into not detached type, namely can not washes inner sleeve during follow-up use.So although the flame-proof treatment method that the present invention proposes is that disposable non-resistance to water is fire-retardant, this does not hinder the present invention as the enforcement of mattress or pillow inner sleeve.
Fire retardant mechanism of the present invention is: phosphorous nitrogenous inorganic combustion inhibitor, and as APP, heat can decompose release phosphoric acid and polyphosphoric acid, and both is all strong dehydrating agents, and the cellulose yarn rapid dehydration put in mattress can be made to become coke shape.Oxide and the polyphosphoric acid of the non-volatile phosphorus simultaneously generated can cover yam surface, are formed and do not fire layer of charcoal.Meet to become not burn after naked light due to mattress inner sleeve and there is the fine and closely woven charcoal net of heat-blocking action simultaneously, flame cannot to be ignited filler through charcoal net, thus it is fire-retardant to realize mattress.
Phosphorous nitrogenous inorganic combustion inhibitor is the expanding fire retardant having acid source (phosphoric acid) and source of the gas (nitrogen) concurrently, constitutes an Intumescent Retardant System with carbon source (cellulose fibre).Phosphoric acid carbonizes impelling cellulose yarn rapid dehydration.Formed in layer of charcoal process; the part ammonia that combustion decomposition goes out, nitrogen enter layer of charcoal, make layer of charcoal foaming and intumescing, while being wrapped completely by yarn; add the thickness of layer of charcoal; do not fire because layer of charcoal has, the characteristic of heat insulation, oxygen barrier, be therefore enclosed within mattress the charcoal net formed after meeting naked light also have do not burn, the characteristic of heat insulation, oxygen barrier, even if flame continue burn under; also do not burn; indeformable, not molten contracting, protection filler is not ignited.
APP decomposites the gases such as nitrogen, ammonia, carbon dioxide in burning thermal histories, and these gases are all nonflammable, thus can dilute flame periphery air, and oxygen content is declined, and flame, from putting out, plays the effect of cooperative flame retardant.
The mattress inner sleeve prices 1/2nd that the fire blocked mattress inner sleeve ratio glass fiber flame retardant cladded yarn applying the inventive method process is made into.Meanwhile, the former can degrade after discarded in natural environment, and glass fibre contained by the latter cannot natural degradation, pollutes the environment.In addition, the former with the latter is compared, and when breaking out of fire, the smog of generation obviously will lack.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the cloth parcel filler of the inventive method processing.
Detailed description of the invention
Liquid APP, be a kind of agricultural liquid fertilizer, its phosphorus content is greater than 34%, nitrogen content is greater than 10%, except liquid APP, also can select low polymerization degree water-soluble poly ammonium phosphate, diammonium hydrogen phosphate, ammonium dihydrogen phosphate (ADP), its mechanism of action is identical, all can reach identical flame retardant effect.
APP (being called for short APP), molecular formula is (NH
4pO
3)
n, be the expanding fire retardant of a kind of environmental protection, nontoxic, low cigarette.The APP of high polymerization degree is mainly used in fireproof paint and plastic flame, and the APP of low polymerization degree is mainly used in Agricultural Fertilizer and extinguishing chemical.
By the yarn of flame treatment and mattress cylinder inner sleeve cloth, its raw material can be the cellulose fibres such as natural cotton, bamboo fibre, viscose, zein fiber, flax fibre, wood pulp fibre, fibre and soya, also can be the blending of the chemical fibre such as cellulose fibre and terylene.
Embodiment 1
The present embodiment for fire resistant fluid, take bamboo fibre as TUBULAR FABRIC material with liquid APP, adopting normal temperature dipping method process yarn, making yarn have anti-flammability, for being woven into Weft knitting cylinder inner sleeve cloth, for mattress inner sleeve.
The yarn impregnation technology of the present embodiment adopts cylinder yarn infusion process technique as follows:
1 dosing: it is for subsequent use that liquid APP and water stir into dilution by 1:1;
2 winders: yarn cylinder is machined to the fluffy fluffy yarn cylinder be wrapped on hollow out spool through loose type coning;
3 dippings: fluffy yarn cylinder is soaked into completely in dilution;
4 dehydrations: dry in Water Extraction Machinery;
5. dry: fluffy yarn cylinder is dried at baking room;
6 groove drums: fluffy yarn cylinder is wound on groove drum machine the compact yarn cylinder meeting weaving condition;
7 packagings.
As shown in Figure 1, the yarn weaving by above-mentioned impregnation technology process is become Weft knitting TUBULAR FABRIC, cutting parcel sponge filler is as test specimen, and test specimen makes overcoat with terylene mattress ticking outward again.In figure, 1 is filler, and 2 is inner sleeve, and 3 is overcoat.Detected by U.S. 16CFR1633 mattress flame-retardant standard method in 2015 in Anji branch company of SGS Tongbiao Standard Technology Service Co., Ltd, testing result is that test specimen is detected by U.S. 16CFR1633 mattress flame-retardant standard.In process of the test, sponge is not burnt, but coat part is burnt and had propagation of flame.
Embodiment 2
The present embodiment for fire resistant fluid, take natural cotton as TUBULAR FABRIC material with liquid APP, adopts normal temperature dipping method process Weft knitting TUBULAR FABRIC, makes it to have anti-flammability, for mattress inner sleeve.
The Weft knitting TUBULAR FABRIC impregnation technology of the present embodiment adopts padding method technique as follows:
1 dosing: liquid APP and water stir into dilution by 1:1 and pours padding machine reservoir into;
2 dippings: TUBULAR FABRIC is imported padding machine reservoir and fully soak;
3 dry: utilize padding machine elastic clip cloth rewinder roll to shut out surplus liquid in TUBULAR FABRIC;
4 dry: TUBULAR FABRIC is imported continous mode oven for drying, oven temperature is at 100-110 DEG C;
5 clot packagings.
Because natural cotton fiber water imbibition is than bamboo fibre difference (bamboo fibre water imbibition is about 2.5 times of natural cotton), slightly long dip time need be adopted compared with the present embodiment floods with bamboo fiber yarn, wrap up sponge filler as test specimen by the TUBULAR FABRIC cutting of above-mentioned impregnation technology process, test specimen makes overcoat with terylene mattress ticking outward again.
Test specimen takes self testing method to carry out.Laboratory sample is placed on burning rack, simulation 16CFR1633 standard, adopt the flame produced during cotton burning, lasting fixed point burns sample side, time reaches 120 seconds (16CFR1633 standard burning time be 50 seconds), test result, sponge is not burnt, but coat part is burnt and had propagation of flame.
Embodiment 3
The present embodiment is fire resistant fluid with diammonium hydrogen phosphate, take flax fibre as TUBULAR FABRIC material, adopts normal temperature dipping method process Weft knitting TUBULAR FABRIC, makes it to have anti-flammability, for mattress inner sleeve.
The Weft knitting TUBULAR FABRIC impregnation technology of the present embodiment adopts padding method technique as follows:
1 dosing: diammonium hydrogen phosphate saturated aqueous solution and water are configured to dilution by 1:1 volumetric ratio and pour padding machine reservoir into;
2 dippings: TUBULAR FABRIC is imported padding machine reservoir and fully soak;
3 dry: utilize padding machine elastic clip cloth rewinder roll to shut out surplus liquid in TUBULAR FABRIC;
4 dry: TUBULAR FABRIC is imported continous mode oven for drying, oven temperature is at 100-110 DEG C;
5 clot packagings.
Wrap up sponge filler as test specimen by the TUBULAR FABRIC cutting of above-mentioned impregnation technology process, test specimen makes overcoat with terylene mattress ticking outward again.
Test specimen takes self testing method to carry out.Be placed on by laboratory sample on burning rack, simulation 16CFR1633 standard, adopt the flame produced during cotton burning, lasting fixed point burns sample side, and the time reaches 120 seconds, test result, and sponge is not burnt, but coat part is burnt and had propagation of flame.
Embodiment 4
The present embodiment for fire resistant fluid with water-soluble poly ammonium phosphate, with viscose (artificial cotton) for TUBULAR FABRIC material, adopts normal temperature dipping method process Weft knitting TUBULAR FABRIC, makes it to have anti-flammability, for mattress inner sleeve.
The Weft knitting TUBULAR FABRIC impregnation technology of the present embodiment adopts padding method technique except adopting water-soluble poly ammonium phosphate to substitute except diammonium hydrogen phosphate, and other step is identical with embodiment 3.
The TUBULAR FABRIC cutting parcel sponge filler of impregnation technology process is as test specimen, and test specimen makes overcoat with terylene mattress ticking outward again.
Test specimen takes self testing method to carry out.Be placed on by laboratory sample on burning rack, simulation 16CFR1633 standard, adopt the flame produced during cotton burning, lasting fixed point burns sample side, and the time reaches 120 seconds, test result, and sponge is not burnt, but coat part is burnt and had propagation of flame.
Embodiment 5
The present embodiment take ammonium dihydrogen phosphate (ADP) as fire resistant fluid, with wood pulp fibre (sky silk) for TUBULAR FABRIC material, adopts normal temperature dipping method process Weft knitting TUBULAR FABRIC, makes it to have anti-flammability, for mattress inner sleeve.
The Weft knitting TUBULAR FABRIC impregnation technology of the present embodiment adopts padding method technique except adopting ammonium dihydrogen phosphate (ADP) to substitute except diammonium hydrogen phosphate, and other step is identical with embodiment 3.
The TUBULAR FABRIC cutting parcel sponge filler of impregnation technology process is as test specimen, and test specimen makes overcoat with terylene mattress ticking outward again.
Test specimen takes self testing method to carry out.Be placed on by laboratory sample on burning rack, simulation 16CFR1633 standard, adopt the flame produced during cotton burning, lasting fixed point burns sample side, and the time reaches 120 seconds, test result, and sponge is not burnt, but coat part is burnt and had propagation of flame.
Liquid APP in embodiment is a kind of Agricultural Fertilizer, when using as fire resistant fluid, is mainly used in impregnated timber.Because its flame retardant effect is disposable, non-resistance to water, its range of application is extremely restricted, so be rarely used in impregnating woven yarn and textiles.In the present invention, mattress inner sleeve is not removable lining, and without the need to washing, this just just in time avoids the not laundry-resistant shortcoming that liquid APP exists on flame retardant effect, and the effect of water-soluble poly ammonium phosphate of the present invention, diammonium hydrogen phosphate or ammonium dihydrogen phosphate (ADP) is similar.
Intumescent Retardant System is by acid source, and source of the gas and carbon source three are formed.Phosphorous nitrogenous inorganic combustion inhibitor has the above two concurrently.The present invention selects the cellulose fibre such as natural cotton, bamboo fibre to be raw material, and being because these raw materials are all the much higher hydroxy polymers of phosphorus content, is good carbon source.Due to the application of Intumescent Retardant System, improve in mattress the carbon yield putting yarn, add the thickness of layer of charcoal, ensure that in mattress the charcoal net being enclosed within and meeting and formed after naked light, flame continue for a long time burn under also do not burn, indeformable, molten contracting, not rupture.This is the key point ensureing that mattress is tested by 16CFR1633 American Standard.
Claims (8)
1. one kind for mattress or the fire-retardant Intumescent Retardant System of pillow inner sleeve filler, it is characterized in that comprising phosphorous nitrogenous inorganic combustion inhibitor and carbon source, described phosphorous nitrogenous inorganic combustion inhibitor is as the acid source of flame-retardant system and source of the gas, described carbon source is the blending of cellulose fibre or cellulose fibre and chemical fibre, described carbon source is by flooding the aqueous solution of described phosphorous nitrogenous inorganic combustion inhibitor and after dewatered drying, forming Intumescent Retardant System with described phosphorous nitrogenous inorganic combustion inhibitor.
2. Intumescent Retardant System according to claim 1, it is characterized in that described cellulose fibre is one or more in natural cotton, bamboo fibre, viscose, zein fiber, flax fibre, wood pulp fibre, fibre and soya, in described cellulose fibre and the blending of chemical fibre, the mass percentage content of cellulose fibre is greater than 11%.
3. Intumescent Retardant System according to claim 1, is characterized in that described phosphorous nitrogenous inorganic combustion inhibitor is one or more in liquid APP, water-soluble poly ammonium phosphate, diammonium hydrogen phosphate or ammonium dihydrogen phosphate (ADP).
4. there is a yarn for Intumescent Retardant System described in any one of claim 1-3, it is characterized in that the preparation method of described yarn is:
1) the blended yarn cylinder of silvalin cylinder or cellulose fibre and chemical fibre is machined to the fluffy fluffy yarn cylinder be wrapped on hollow out spool through loose type coning;
2) fluffy yarn cylinder is soaked into completely in phosphorous nitrogenous aqueous inorganic flame retardant solution;
3) dewater, dry.
5. there is a cloth for Intumescent Retardant System described in any one of claim 1-3, it is characterized in that the preparation method of described cloth is:
1) the blending TUBULAR FABRIC of cellulose fibre TUBULAR FABRIC or cellulose fibre and chemical fibre is soaked into completely in phosphorous nitrogenous aqueous inorganic flame retardant solution;
2) dry, dry.
6. yarn described in claim 4 is for the manufacture of the application of mattress or pillow inner sleeve.
7. cloth described in claim 5 is for the manufacture of the application of mattress or pillow inner sleeve.
8. the flame resistant method of a mattress or pillow filler, it is characterized in that: utilize phosphorous nitrogenous flame ratardant to process process yarn or cloth, yarn or cloth and phosphorous nitrogenous flame ratardant is made to form Intumescent Retardant System, utilize the covering expansion function had during phosphorous nitrogenous flame ratardant heat, yarn or cloth is made to have anti-flammability, yarn or cloth are made into the inner sleeve of mattress or pillow, inner sleeve parcel filler, make mattress or pillow when meeting naked light, flame can not to ignite filler through inner sleeve, realizes the fire-retardant of mattress or pillow.
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| CN201510870804.1A CN105297404A (en) | 2015-12-01 | 2015-12-01 | Expansion flame retardant system for mattress or pillow inner-sleeve filler flame retarding and method thereof |
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| CN201510870804.1A CN105297404A (en) | 2015-12-01 | 2015-12-01 | Expansion flame retardant system for mattress or pillow inner-sleeve filler flame retarding and method thereof |
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Application publication date: 20160203 |