CN102700202A - Low-smoke halogen-free flame-retardant gum-dipped elastic cloth and preparation method thereof - Google Patents
Low-smoke halogen-free flame-retardant gum-dipped elastic cloth and preparation method thereof Download PDFInfo
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- CN102700202A CN102700202A CN2012101960447A CN201210196044A CN102700202A CN 102700202 A CN102700202 A CN 102700202A CN 2012101960447 A CN2012101960447 A CN 2012101960447A CN 201210196044 A CN201210196044 A CN 201210196044A CN 102700202 A CN102700202 A CN 102700202A
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Abstract
The invention discloses low-smoke halogen-free flame-retardant gum-dipped elastic cloth and a preparation method of the cloth, and belongs to the technical field of special fabrics. The low-smoke halogen-free flame-retardant gum-dipped elastic cloth comprises flame-retardant fiber base cloth and a flame-retardant layer bonded onto the two side surfaces of the flame-retardant fiber base cloth, wherein the flame-retardant fiber base cloth is prepared by knitting or non-weaving high-strength flame-retardant polyester fibers, high-strength flame-retardant nylon fibers or glass fibers, and the flame-retardant layer comprises the following raw materials by weight: 80-300 g of flame retardant, 20-100 g of polymer, 100-500 g of solvent and 2-20 mg of defoamer. The low-smoke halogen-free flame-retardant gum-dipped elastic cloth has excellent flame retardance and outstanding strong force capable of being against the influence of an external force, is not easily broken and has ideal elasticity and softness as well as sealing and oxygen isolating effects; and the process steps in the provided method are short and have no strict requirements on equipment, so that the technical effect of the low-smoke halogen-free flame-retardant gum-dipped elastic cloth can be guaranteed, and the industrial large-scale production requirements can be met.
Description
Technical field
The invention belongs to the unique fabric technical field, be specifically related to a kind of low-smoke non-halogen flame-retardant impregnation elastic force cloth, and relate to the preparation method of this low-smoke non-halogen flame-retardant impregnation elastic force cloth
Background technology
above mentioned low-smoke non-halogen flame-retardant impregnated fabric is main but be not limited to the twining package tape as electric wire, for example also can be applicable to fire protection requirement harsh such as fields such as Aero-Space navigation, oil medication chemistry, generating, HVAC and fire-fightings.
are known; In the building fire accident; The probability that is caused by electric wire nearly accounts for about 40%; Especially, have 2/3rds to be that the secondary injury causes in the fire incident casualty approximately, so-called secondary injury is meant the toxic and harmful death by suffocation that in combustion process, is discharged by electric wire.Therefore the anti-flammability of electric wire receives people's attention all the time.
low-smoke halogen-free inflaming-retarding cable not only has excellent flame-retardant performance under fired state, but also has desirable low smokiness and innocuousness (low toxicity and non-corrosiveness gas produce) etc.In disclosed Chinese patent document, can be seen in technical information about cable twining package tape with low-smoke non-halogen flame-retardant function; Typically like invention patent mandate notification number CN1208785C (publication number: " Low smoke flame-retardant cable covering tape without halide and the manufacturing process " of CN1426070A) recommending; As the skeleton material, warp floods the LSOH anti-flaming adhesive after oven dry forms to this patent scheme with polyester staple fiber.Wherein: the prescription of LSOH anti-flaming adhesive is: Al (OH)
3
Or Mg (OH)
2
Or both blend 120-130g, 1788 or 1799PVA resin 6-10g, solid content be 55% 707VAE latex 10-20g and water 160-500g.This patent scheme can embody the alleged technique effect of its Instructions Page 2 final stage, but objectively has following shortcoming: one of which is a normal polyester short fiber braid because the skeleton material uses, thereby fire resistance and mechanical property are limited; Its two, the LSOH anti-flaming adhesive formulation does not contain elastomeric polymer, the surface be prone to produce stress and concentrates and hole occurs in the tape for cables use, causes oxygen barrier and sealing characteristics to be lost.
again; " glass fiber flame retardant silica gel cloth and the manufacturing approach thereof " that Granted publication CN101886339B provides; This patent scheme objectively can embody the technique effect of the 0024th section conclusion of specification, but owing to the glass fabric as base material is obtained by woven weaving method, so the elasticity of product shortcoming; If with it as the wrapped cloth of electric wire (band); The ability of resisting the external force influence so is comparatively fragile, and destructible also produces hole, causes the forfeiture of oxygen barrier and sealing characteristics.
In view of above-mentioned prior art, the applicant has done long-term and useful exploration and experiment, and the technical scheme that will introduce below produces under this background
Summary of the invention
top priority of the present invention is to provide a kind of and helps to ensure excellent flame, helps guaranteeing desirable brute force and uses the influence of opposing external force, is of value to and embodies favorable elasticity and flexibility and oxygen barrier effect and use the low-smoke non-halogen flame-retardant impregnation elastic force cloth that is used for such as the oxygen barrier packing of cable, construction material.
another task of the present invention is to provide a kind of preparation method of low-smoke non-halogen flame-retardant impregnation elastic force cloth, this method have processing step terse, equipment is not had harsh specific (special) requirements and can ensure comprehensive embodiment of the technique effect of said low-smoke non-halogen flame-retardant impregnated fabric.
Top priority of the present invention is accomplished for embodying in
; Technical scheme provided by the invention is: a kind of low-smoke non-halogen flame-retardant impregnation elastic force cloth; Comprise fire resistance fibre base cloth and the flame-retardant layer that is incorporated into the both side surface of fire resistance fibre base cloth; Said fire resistance fibre base cloth be high-strength fire-retarding polyster fibre, high-strength fire-retarding nylon fibre or glass fibre through the knitting or non-woven base cloth that obtains, said flame-retardant layer is that the raw material by following parts by weight constitutes: fire retardant 80-300g, polymer 20-100g, solvent 100-500g and antifoaming agent 2-20mg.
In a concrete embodiment of the present invention, described fire retardant is Al (OH)
3
, Mg (OH)
2
, CaCO
3
And SiO
2
In one or more the mixture that mixes mutually by arbitrary proportion.
in another concrete embodiment of the present invention, described polymer be in polyvinyl alcohol, polyethylene glycol, polyvinyl acetate, vinylidene and the polyurethane one or more and the mixture that mixes by arbitrary proportion.
in another concrete embodiment of the present invention, described solvent is an organic solvent.
in another concrete embodiment of the present invention, said organic solvent is methyl sulfoxide, dimethyl formamide or dimethylacetylamide.
also have among the concrete embodiment of the present invention, and described antifoaming agent is a polysiloxane emulsion.
Accomplish another task of the present invention for embodying, technical scheme provided by the invention is: a kind of preparation method of low-smoke non-halogen flame-retardant impregnation elastic force cloth, and this method may further comprise the steps:
A) produce dipping solution; The polymer 20-100g that takes by weighing by weight, solvent 100-500g and antifoaming agent 2-20mg introduced under heated condition, be stirred in the agitated reactor of being furnished with agitator evenly; And control mixing speed, the heating-up temperature when stirring and control mixing time add fire retardant 80-300g after cooling, are stirred to once more at normal temperatures evenly; And speed and time that control is stirred once more, obtain dipping solution;
B) impregnation; At first dipping solution is introduced in the dipping tank,, when going out dipping tank, between the applicator roll of the paired configuration of dipping tank, passed through then with fire resistance fibre base cloth process from the dipping solution of dipping tank; And the control dipping solution is at the thickness of the both side surface of fire resistance fibre base cloth; Introduce the drying tunnel oven dry after going out dipping tank, rolling obtains low-smoke non-halogen flame-retardant impregnation elastic force cloth.
more of the present invention and among concrete embodiment, steps A) described in the control mixing speed be with mixing speed, be controlled to be 200-800n/min; Heating-up temperature when described control is stirred is to be 80-100 ℃ with heating and temperature control; Described control mixing time is that mixing time is controlled to be 120-300min.
in of the present invention and then concrete embodiment, steps A) described in the speed that stirs once more of control and time be to be 1000-2000n/min with the speed controlling that stirs once more, the time is controlled to be 15-60min.
of the present invention again more and among concrete embodiment, step B) described in the thickness of control dipping solution on fire resistance fibre base cloth surface be to be 30-500 μ m with THICKNESS CONTROL; The temperature of described drying tunnel oven dry is 140-200 ℃, and cloth speed is 18-22m/min.
technical scheme provided by the invention has used high-strength fire-retarding polyster fibre, high-strength fire-retarding nylon fibre or glass fibre as the fire resistance fibre base cloth owing to selecting; And the material choice of flame-retardant layer is reasonable; Thereby not only has an excellent flame; And have the brute force of standing out from one's fellows and can resist external force influence, be difficult for breaking, and have desirable elasticity with flexibility and seal the oxygen barrier effect; The method processing step that provides is brief and not harsh to equipment requirements, not only can ensure comprehensive embodiment of the technique effect of low-smoke non-halogen flame-retardant impregnated fabric, but also can satisfy the industrial amplification production requirement.
Description of drawings
Fig. 1 is the sectional view of low-smoke non-halogen flame-retardant impregnation elastic force cloth of the present invention.
The specific embodiment
The applicant need to prove: following embodiment only is to the description of reproducing the present invention program, and is not restriction the present invention program, the Al (OH) though for example above mentioned fire retardant has only been given an example
3
, Mg (OH)
2
, CaCO
3
And SiO
2
But and do not mean that other similar inorganic matter fire retardant that example goes out is inapplicable; Inventory to polymer, solvent and antifoaming agent are listed is routine together, for example, and as antifoaming agent; Belong to the polysiloxane emulsion of organosilicon category though the applicant has only given an example, it is a kind of to be not intended to be limited to polysiloxane emulsion.
Embodiment 1:
Fig. 1 is asked for an interview in
, and present embodiment is to be example with the low-smoke non-halogen flame-retardant impregnation elastic force cloth for preparing structure shown in Figure 1.
) produce dipping solution; The polyethylene glycol 20g that will take by weighing by weight earlier, polyurethane 10g, dimethyl sulfoxide (DMSO) 300g and mass percent concentration are that 30% polysiloxane emulsion 10mg introduces and drops into promptly in the agitated reactor of being furnished with agitator that to be 90 ℃ in heating-up temperature be that 500n/min stirs 120min down and with the mixing speed, and adding after cooling is Al (OH) than the inorganic combustion inhibitor that takes by weighing by weight
3
100g, Mg (OH)
2
40g and SiO
2
20g and then stirring 30min are even, and the rotating speed of agitator is 1500n/min, obtains dipping solution;
B) impregnation; At first will be by steps A) dipping solution that obtains introduces in the dipping tank from agitated reactor; To be that raw material and the flat pin glass fabric of latitude that adopts knitting weft-knitted technology to weave to obtain are introduced baking oven as fire resistance fibre base cloth 1 with continuation mode and dewaxed by alkali-free glass fibre again; Oven temperature is that dewaxing temperature is 200 ℃; The gait of march of cloth is 10m/min; Go out baking oven and be wound on the cloth beam, then will be wound in aforementioned fire resistance fibre base cloth 1 on the cloth beam, and when going out dipping tank, between the applicator roll of the paired configuration of dipping tank, pass through with gait of march process from the dipping solution of dipping tank of 20m/min; Gap adjustment between the applicator roll to the thickness of the dipping solution of the both side surface that is able to guarantee to be positioned at fire resistance fibre base cloth 1 is 300 μ m; The dipping tank of going gets into drying tunnel and oven dry under drying tunnel temperature is 150 ℃ after going out applicator roll at once, goes out the drying tunnel rolling, obtains being combined with by the surface at fire resistance fibre base cloth 1 shown in Figure 1 the low-smoke non-halogen flame-retardant impregnation elastic force cloth of flame-retardant layer 2.Through testing: grammes per square metre is 279.8g/m
2
, limited oxygen index＞80%, no toxic and harmful discharges in the combustion process; Smoke density＜60%, warp-wise ultimate strength＞870N, warp-wise extension at break are 23.3%; The tensile elasticity response rate is 53% (strain: material after removing external force, recoverable distortion).
Embodiment 2:
A) produce dipping solution; The polyethylene glycol 10g that will take by weighing by weight earlier, polyurethane 10g, dimethyl sulfoxide (DMSO) 100g and mass percent concentration are that 30% polysiloxane emulsion 2mg introduces and drops into promptly in the agitated reactor of being furnished with agitator that to be 100 ℃ in heating-up temperature be that 800n/min stirs 180min down and with the mixing speed, and adding after cooling is Al (OH) than the inorganic combustion inhibitor that takes by weighing by weight
3
80g and then stirring 60min are even, and the rotating speed of agitator is 1000n/min, obtains dipping solution;
B) impregnation; At first will be by steps A) dipping solution that obtains introduces in the dipping tank from agitated reactor; To be that the terylene non-weaving cloth that obtains of raw material and the method that adopts the water thorn is as fire resistance fibre base cloth 1 by the high-strength fire-retarding polyster fibre again; Gait of march with 20m/min is passed through from the dipping solution of dipping tank; And when going out dipping tank, between the applicator roll of the paired configuration of dipping tank, pass through, the gap adjustment between the applicator roll is 30 μ m to the thickness of the dipping solution of the both side surface that is able to guarantee to be positioned at fire resistance fibre base cloth 1, and row goes out dipping tank and goes out at once to get into drying tunnel behind the applicator roll and be 200 ℃ of oven dry down at drying tunnel temperature; Go out the drying tunnel rolling, obtain being combined with the low-smoke non-halogen flame-retardant impregnation elastic force cloth of flame-retardant layer 2 by the surface of fire resistance fibre base cloth 1 shown in Figure 1.Through testing: grammes per square metre is 156.8g/m
2
, limited oxygen index＞45%, no toxic and harmful discharges in the combustion process, smoke density＜60%, warp-wise ultimate strength＞410N, warp-wise extension at break are 16.1%, the tensile elasticity response rate is 43%.The alleged high-strength fire-retarding polyster fibre of this step is preferred but not to use the trade mark by the production and sales of German KoSa company be that KoSa T-704 high-strength and high fires polyster fibre with being limited to.
Embodiment 3:
A) produce dipping solution; The polyethylene glycol 40g that will take by weighing by weight earlier, polyurethane 60g, dimethyl formamide 500g and mass percent concentration are that 30% polysiloxane emulsion 20mg introduces and drops into promptly in the agitated reactor of being furnished with agitator that to be 80 ℃ in heating-up temperature be that 200n/min stirs 300min down and with the mixing speed, and adding after cooling is Al (OH) than the inorganic combustion inhibitor that takes by weighing by weight
3
100g, Mg (OH)
2
100g, CaCO
3
50g and SiO
2
50g and then stirring 45min are even, and the rotating speed of agitator is 2000n/min, obtains dipping solution;
B) impregnation; At first will be by steps A) dipping solution that obtains introduces in the dipping tank from agitated reactor; To be that raw material and the flat pin polyamide fabric of latitude that adopts knitting weft-knitted technology to weave to obtain are as fire resistance fibre base cloth 1 by the high-strength fire-retarding nylon fibre again; Gait of march with 20m/min is passed through from the dipping solution of dipping tank; And when going out dipping tank, between the applicator roll of the paired configuration of dipping tank, pass through, the gap adjustment between the applicator roll is 500 μ m to the thickness of the dipping solution of the both side surface that is able to guarantee to be positioned at fire resistance fibre base cloth 1, and row goes out dipping tank and goes out at once to get into drying tunnel behind the applicator roll and be 175 ℃ of oven dry down at drying tunnel temperature; Go out the drying tunnel rolling, obtain being combined with the low-smoke non-halogen flame-retardant impregnated fabric of flame-retardant layer 2 by the surface of fire resistance fibre base cloth 1 shown in Figure 1.Through testing: grammes per square metre is 389.2g/m
2
, limited oxygen index＞55%, no toxic and harmful discharges in the combustion process, smoke density＜60%, warp-wise ultimate strength＞810N, warp-wise extension at break are 28.9%,, the tensile elasticity response rate is 56%
Claims (10)
1.
a kind of low-smoke non-halogen flame-retardant impregnation elastic force cloth; The flame-retardant layer (2) of the both side surface that it is characterized in that comprising fire resistance fibre base cloth (1) and be incorporated into fire resistance fibre base cloth (1); Said fire resistance fibre base cloth (1) for high-strength fire-retarding polyster fibre, high-strength fire-retarding nylon fibre or glass fibre through the knitting or non-woven base cloth that obtains, said flame-retardant layer (2) is that the raw material by following parts by weight constitutes: fire retardant 80-300g, polymer 20-100g, solvent 100-500g and antifoaming agent 2-20mg.
2.
Low-smoke non-halogen flame-retardant impregnation elastic force cloth according to claim 1 is characterized in that described fire retardant is Al (OH) 3 , Mg (OH) 2 , CaCO 3 And SiO 2 In one or more the mixture that mixes mutually by arbitrary proportion.
3.
low-smoke non-halogen flame-retardant impregnation elastic force cloth according to claim 1, it is characterized in that described polymer be in polyvinyl alcohol, polyethylene glycol, polyvinyl acetate, vinylidene and the polyurethane one or more and the mixture that mixes by arbitrary proportion.
4.
low-smoke non-halogen flame-retardant impregnation elastic force cloth according to claim 1 is characterized in that described solvent is an organic solvent.
5.
low-smoke non-halogen flame-retardant impregnation elastic force cloth according to claim 4 is characterized in that said organic solvent is methyl sulfoxide, dimethyl formamide or dimethylacetylamide.
6.
low-smoke non-halogen flame-retardant impregnation elastic force cloth according to claim 1 is characterized in that described antifoaming agent is a polysiloxane emulsion.
7.
A kind of preparation method of low-smoke non-halogen flame-retardant impregnation elastic force cloth as claimed in claim 1 is characterized in that this method may further comprise the steps:
A) produce dipping solution; The polymer 20-100g that takes by weighing by weight, solvent 100-500g and antifoaming agent 2-20mg introduced under heated condition, be stirred in the agitated reactor of being furnished with agitator evenly; And control mixing speed, the heating-up temperature when stirring and control mixing time add fire retardant 80-300g after cooling, are stirred to once more at normal temperatures evenly; And speed and time that control is stirred once more, obtain dipping solution;
B) impregnation; At first dipping solution is introduced in the dipping tank,, when going out dipping tank, between the applicator roll of the paired configuration of dipping tank, passed through then with fire resistance fibre base cloth (1) process from the dipping solution of dipping tank; And the control dipping solution is at the thickness of the both side surface of fire resistance fibre base cloth (1); Introduce the drying tunnel oven dry after going out dipping tank, rolling obtains low-smoke non-halogen flame-retardant impregnation elastic force cloth.
8. the preparation method of
low-smoke non-halogen flame-retardant impregnation elastic force cloth according to claim 7 is characterized in that steps A) described in the control mixing speed be with mixing speed, be controlled to be 200-800n/min; Heating-up temperature when described control is stirred is to be 80-100 ℃ with heating and temperature control; Described control mixing time is that mixing time is controlled to be 120-300min.
9. the preparation method of
low-smoke non-halogen flame-retardant impregnation elastic force cloth according to claim 7; It is characterized in that steps A) described in the speed that stirs once more of control and time be to be 1000-2000n/min with the speed controlling that stirs once more, the time is controlled to be 15-60min.
10.
The preparation method of low-smoke non-halogen flame-retardant impregnation elastic force cloth according to claim 7 is characterized in that step B) described in the thickness of control dipping solution on fire resistance fibre base cloth surface be to be 30-500 μ m with THICKNESS CONTROL; The temperature of described drying tunnel oven dry is 140-200 ℃, and cloth speed is 18-22m/min
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101960447A CN102700202A (en) | 2012-06-14 | 2012-06-14 | Low-smoke halogen-free flame-retardant gum-dipped elastic cloth and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101960447A CN102700202A (en) | 2012-06-14 | 2012-06-14 | Low-smoke halogen-free flame-retardant gum-dipped elastic cloth and preparation method thereof |
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| CN102700202A true CN102700202A (en) | 2012-10-03 |
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|---|---|---|---|
| CN2012101960447A Pending CN102700202A (en) | 2012-06-14 | 2012-06-14 | Low-smoke halogen-free flame-retardant gum-dipped elastic cloth and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103603207A (en) * | 2013-11-12 | 2014-02-26 | 贵州龙里蓝图新材料有限公司 | Ultra-high molecular weight polyethylene fiber slope protective net and preparation method thereof |
| CN103774442A (en) * | 2014-01-20 | 2014-05-07 | 南通全技纺织涂层有限公司 | Flame-retardant wear-resistant nylon fabric |
| CN106087445A (en) * | 2016-08-05 | 2016-11-09 | 天津工业大学 | A kind of flame-retardant ultra-high molecular weight polyvinyl fabric and preparation method thereof |
| CN107268275A (en) * | 2016-04-08 | 2017-10-20 | 陕西飞机工业（集团）有限公司 | A kind of manufacture method of fire-proof and water-proof isolation cloth |
| CN109801761A (en) * | 2019-03-26 | 2019-05-24 | 焦作铁路电缆有限责任公司 | A kind of flame-retardant cable longitudinal wrap processing technology and system of processing |
| CN109950005A (en) * | 2019-03-26 | 2019-06-28 | 焦作铁路电缆有限责任公司 | A kind of wrapped processing technology of flame-retardant cable and system of processing |
| CN110331594A (en) * | 2019-05-27 | 2019-10-15 | 江苏科技大学 | A kind of EVA film construction material and preparation method thereof |
| CN113215832A (en) * | 2021-05-28 | 2021-08-06 | 扬州腾飞电缆电器材料有限公司 | Anti-fracture flame-retardant fireproof wrapping tape and preparation method thereof |
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| CN1426070A (en) * | 2003-01-22 | 2003-06-25 | 浦清 | Low smoke flame-retardant cable covering tape without halide and producing process |
| KR20090027944A (en) * | 2007-09-13 | 2009-03-18 | (주) 칼라풀 | Producing method for fireprevention textile and its matter |
| CN101654864A (en) * | 2009-09-25 | 2010-02-24 | 厦门大学 | Fire-retardant polypropylene non-woven fabric and preparation method thereof |
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| JP2003049367A (en) * | 2001-08-03 | 2003-02-21 | Hiraoka & Co Ltd | Flame-retardant sheet |
| CN1426070A (en) * | 2003-01-22 | 2003-06-25 | 浦清 | Low smoke flame-retardant cable covering tape without halide and producing process |
| KR20090027944A (en) * | 2007-09-13 | 2009-03-18 | (주) 칼라풀 | Producing method for fireprevention textile and its matter |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103603207A (en) * | 2013-11-12 | 2014-02-26 | 贵州龙里蓝图新材料有限公司 | Ultra-high molecular weight polyethylene fiber slope protective net and preparation method thereof |
| CN103774442A (en) * | 2014-01-20 | 2014-05-07 | 南通全技纺织涂层有限公司 | Flame-retardant wear-resistant nylon fabric |
| CN107268275A (en) * | 2016-04-08 | 2017-10-20 | 陕西飞机工业（集团）有限公司 | A kind of manufacture method of fire-proof and water-proof isolation cloth |
| CN106087445A (en) * | 2016-08-05 | 2016-11-09 | 天津工业大学 | A kind of flame-retardant ultra-high molecular weight polyvinyl fabric and preparation method thereof |
| CN106087445B (en) * | 2016-08-05 | 2018-04-17 | 天津工业大学 | A kind of flame-retardant ultra-high molecular weight polyvinyl fabric and preparation method thereof |
| CN109801761A (en) * | 2019-03-26 | 2019-05-24 | 焦作铁路电缆有限责任公司 | A kind of flame-retardant cable longitudinal wrap processing technology and system of processing |
| CN109950005A (en) * | 2019-03-26 | 2019-06-28 | 焦作铁路电缆有限责任公司 | A kind of wrapped processing technology of flame-retardant cable and system of processing |
| CN109801761B (en) * | 2019-03-26 | 2020-06-26 | 焦作铁路电缆有限责任公司 | Processing technology and processing system for longitudinal wrapping of flame-retardant cable |
| CN110331594A (en) * | 2019-05-27 | 2019-10-15 | 江苏科技大学 | A kind of EVA film construction material and preparation method thereof |
| CN113215832A (en) * | 2021-05-28 | 2021-08-06 | 扬州腾飞电缆电器材料有限公司 | Anti-fracture flame-retardant fireproof wrapping tape and preparation method thereof |
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Application publication date: 20121003 |