CN105469891A - Halogen-free flame-retardant mixed liquor and preparation method thereof and flame-retardant conductive fabric and preparation method thereof - Google Patents
Halogen-free flame-retardant mixed liquor and preparation method thereof and flame-retardant conductive fabric and preparation method thereof Download PDFInfo
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- CN105469891A CN105469891A CN201410433250.4A CN201410433250A CN105469891A CN 105469891 A CN105469891 A CN 105469891A CN 201410433250 A CN201410433250 A CN 201410433250A CN 105469891 A CN105469891 A CN 105469891A
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Abstract
The invention discloses a halogen-free flame-retardant mixed liquor and a preparation method thereof, a method for preparing a flame-retardant conductive fabric by utilizing the halogen-free flame-retardant mixed liquor and the flame-retardant conductive fabric obtained through the method. The halogen-free flame-retardant mixed liquor comprises a flame retardant, an adhesive agent and an organic solution. The flame retardant is an intumescent flame retardant, and is a phosphor nitrogen compound in structure; and the adhesive agent is a polyurethane adhesive. The flame-retardant conductive fabric prepared by utilizing the halogen-free flame-retardant mixed liquor obtains excellent flame-retarding performance and has X,Y and Z three-axis all-around electroconductivity under the condition of keeping the order and rigidness of the original molecular structure; and the effects of low cost and simple manufacture are achieved.
Description
Technical field
The present invention relates to flame-retardant conductive flexible composite, relate in particular to a kind of halogen-free flameproof mixed liquor and preparation method thereof, a kind of flame-retardant conductive fabric and preparation method thereof, is applicable to electron trade.
Background technology
In electron trade, the application of conductive fabric is very extensive, due to the particularity of electron trade, requires that conductive fabric has the flame-retardancy requirements higher than UL94V-0.Traditional flame-retardant conductive fabric is made by two kinds of modes.The first directly uses flame retardant polyester fiber to do core, re-uses conductive fabric production technology and be attached on fiber by metal.The second to be fitted one deck fire retardant hot-melt film adhesive in user to common conductive fabric, makes it have anti-flaming function.
For the first preparation method, flame retardant polyester fiber and ordinary polyester fiber price variance are very large, too high in cost of manufacture.And flame retardant polyester fiber is because the embedding of fire retardant, change order type and the rigidity of terylene molecular chain structure, structure becomes loose, and intermolecular force weakens and causes intensity to decline, and quality is partially hard.
For the second preparation method: common conductive fabric has XYZ tri-axle all-directional conductive function, because fire retardant hot-melt film adhesive in user is insulation, make conductive fabric only have XY two orientation conducting function, affect by fire retardant hot-melt film adhesive in user non-conductive in Z-direction, limit the scope of application of conductive fabric.
Summary of the invention
The object of this invention is to provide a kind of halogen-free flameproof mixed liquor, a kind of method using this halogen-free flameproof mixed liquor to prepare flame-retardant conductive fabric, and the flame-retardant conductive fabric using the method to be prepared from, be intended to make up the defect existing for above-mentioned prior art.
The invention provides a kind of halogen-free flameproof mixed liquor.
For the preparation of a halogen-free flameproof mixed liquor for flame-retardant conductive fabric, it is characterized in that: comprise fire retardant, adhesive agent and organic solution, described fire retardant is expansion type flame retardant, and its structure is phosphorus-nitrogen compound; Described adhesive agent is polyurethane binder, and the quality proportioning of each component is: fire retardant 900-1100 part, adhesive agent 280-330 part, organic solvent 200-300 part.
Preferably, in above-mentioned halogen-free flameproof mixed liquor, the quality proportioning of each component is: fire retardant 1000 parts, adhesive agent 300 parts, organic solvent 250 parts.
Preferably, in above-mentioned halogen-free flameproof mixed liquor, described organic solvent is ethyl acetate or toluene.
The feature of expansion type flame retardant is that volume is little, Halogen, the flame retardant effect that few addition just can play, and this fire retardant is dissolved in organic solvent.And polyurethane has extraordinary permeability to chemical fibre.Thus, obtained a kind ofly can penetrate in the gap of chemical fibre completely, surface not have the halogen-free flameproof mixed liquor remained.
Present invention also offers a kind of preparation method of above-mentioned halogen-free flameproof mixed liquor.
Concrete steps are as follows:
Step 1: poured into by described expansion type flame retardant in powder grinder, grinds 100 minutes, obtains expansion type flame retardant powder;
Step 2: poured in the first stainless steel cask by step 1 gained expansion type flame retardant powder, add organic solvent, stirs 30-45 minutes with liquid stirrers, makes abundant dissolving, is filled in the second stainless steel cask with 150 order stainless steel filter screen sieves;
Step 3: add urethane adhesives in the second stainless steel cask, stirs 30-40 minutes, makes abundant dispersion, obtain halogen-free flameproof mixed liquor.
Present invention also offers and a kind ofly use above-mentioned halogen-free flameproof mixed liquor to prepare the method for flame-retardant conductive fabric.
Concrete steps are as follows:
Web-like is conducted electricity cloth holder on straight painting formula tape coating machine stock shelf, traction conductive fabric is through gluing head and baking box and be rolled onto on winding off spindle, the spacing regulating scraper and gluing roller is that the thickness of conductive fabric own adds 2, described halogen-free flameproof mixed liquor to be poured in the gluing groove of straight painting formula tape coating machine and heated oven, open straight painting formula tape coating machine, progressively accelerate conductive fabric feed speed and carry out glue-coating processing to rated value; Conductive fabric after coating waste water is entered baking box to dry, obtain flame-retardant conductive fabric.
Preferably, described baking oven heating-up temperature is 120 DEG C, and described conductive fabric feed speed rated value is 30 ms/min.
Present invention also offers a kind of flame-retardant conductive fabric, being prepared from by using the above-mentioned method preparing flame-retardant conductive fabric.
Compared with prior art, technique effect of the present invention is: utilize the anti-flammability of expansion type flame retardant and the Penetration Signature of urethane adhesives to organically combine, make conductive fabric terylene under the maintenance order type of original molecular structure and the prerequisite of rigidity, obtain outstanding flame-retarding characteristic and there is XYZ tri-axle all-directional conductive.With low cost, make simple.
Embodiment
Below in conjunction with embodiment, the present invention will be further described.
Embodiment 1:
A kind of flame-retardant conductive fabric, obtains by using following method:
Expansion type flame retardant is poured in powder grinder, grind 100 minutes.Take 30 kilograms to pour in 50 liters of stainless steel casks, add 7.5 kilograms of organic solvents, stir 30 minutes with liquid stirrers, make abundant dissolving.Be filled in 100 liters of stainless steel casks with 150 order stainless steel filter screen sieves, add 9 kilograms of urethane adhesives, stir 30 minutes, make abundant dispersion, obtain total weight 46.5 kilograms of halogen-free flameproof mixed liquors.Organic solvent is ethyl acetate.
Described halogen-free flameproof mixed liquor to be poured in the gluing groove of straight painting formula tape coating machine and heated oven to 120 degree, by 230 order conductive fabrics in stock shelf to straight painting formula tape coating machine, the spacing regulating scraper and gluing roller is that conductive fabric thickness adds 2, progressively accelerates to 30 ms/min; Conduction after coating enters after baking box is dried and obtains flame-retardant conductive fabric and rolling.Cleaning machine, cleaning mixer, cleaning glue bucket, cleaning and filtering mesh screen.
Embodiment 2: poured into by expansion type flame retardant in powder grinder, grinds 100 minutes.Take 36 kilograms to pour in 50 liters of stainless steel casks, add 12 kilograms of organic solvents, stir 30 minutes with liquid stirrers, make abundant dissolving.Be filled in 100 liters of stainless steel casks with 150 order stainless steel filter screen sieves, add 11.2 kilograms of urethane adhesives, stir 30 minutes, make abundant dispersion, obtain total weight 59.2 kilograms of halogen-free flameproof mixed liquors.Wherein, organic solvent is ethyl acetate.
Described halogen-free flameproof mixed liquor to be poured in the gluing groove of straight painting formula tape coating machine and heated oven to 120 degree, by 230 order conductive fabrics in stock shelf to straight painting formula tape coating machine, the spacing regulating scraper and gluing roller is that conductive fabric thickness adds 2, progressively accelerates to 30 ms/min; Conduction after coating enters after baking box is dried and obtains flame-retardant conductive fabric and rolling.Cleaning machine, cleaning mixer, cleaning glue bucket, cleaning and filtering mesh screen.
Embodiment 3: poured into by expansion type flame retardant in powder grinder, grinds 100 minutes.Taking 33 kilograms pours in stainless steel cask, adds 6 kilograms of organic solvents, stirs 30 minutes with liquid stirrers, make abundant dissolving.Be filled in 100 liters of stainless steel casks with 150 order stainless steel filter screen sieves, add 9.9 kilograms of urethane adhesives, stir 30 minutes, make abundant dispersion, obtain total weight 48.9 kilograms of halogen-free flameproof mixed liquors.Wherein, organic solvent is toluene.
Described halogen-free flameproof mixed liquor to be poured in the gluing groove of straight painting formula tape coating machine and heated oven to 120 degree, by 230 order conductive fabrics in stock shelf to straight painting formula tape coating machine, the spacing regulating scraper and gluing roller is that conductive fabric thickness adds 2, progressively accelerates to 30 ms/min; Conduction after coating enters after baking box is dried and obtains flame-retardant conductive fabric and rolling.Cleaning machine, cleaning mixer, cleaning glue bucket, cleaning and filtering mesh screen.
The flame-retardant conductive fabric of core is done for comparative example 1 to use flame retardant polyester fiber; With the flame-retardant conductive fabric obtained at common conductive cloth surface laminating fire retardant hot-melt film adhesive in user for comparative example 2; Flexible test is carried out, the performance tests such as flame retardant test and orientation conductive test together with above-described embodiment 1-3.Result is as shown in the table.
Table 1
Wherein, 94VTM-0,94VTM-2 are the vertical combustion grade for thin-film material, 94VTM-0 > 94VTM-2, and its flame retardant effect of material meeting 94VTM-0 standard is better.
As shown above, relative to prior art, flame-retardant conductive fabric quality provided by the invention is soft, has better Vertical Flame characteristic and all-directional conductive performance.
The above, be only a few embodiments of the present invention, the present invention is not limited to the restriction of above-described embodiment, all above-described embodiment is done according to technical spirit of the present invention similar amendment, change and replacement, still belong in the scope of technical solution of the present invention.Protection scope of the present invention is only defined by claims.
Claims (7)
1. for the preparation of a halogen-free flameproof mixed liquor for flame-retardant conductive fabric, it is characterized in that: comprise fire retardant, adhesive agent and organic solution, described fire retardant is expansion type flame retardant, and its structure is phosphorus-nitrogen compound; Described adhesive agent is polyurethane binder, and the quality proportioning of each component is: fire retardant 900-1100 part, adhesive agent 280-330 part, organic solvent 200-300 part.
2. a halogen-free flameproof mixed liquor as claimed in claim 1, is characterized in that: the quality proportioning of each component is: fire retardant 1000 parts, adhesive agent 300 parts, organic solvent 250 parts.
3. a halogen-free flameproof mixed liquor as claimed in claim 1, is characterized in that: described organic solvent is ethyl acetate or toluene.
4., to a preparation method for halogen-free flameproof mixed liquor described in any one of claims 1 to 3, it is characterized in that comprising the steps:
Step 1: poured into by described expansion type flame retardant in powder grinder, grinds 100 minutes, obtains expansion type flame retardant powder;
Step 2: poured in the first stainless steel cask by step 1 gained expansion type flame retardant powder, add organic solvent, stirs 30-45 minutes with liquid stirrers, makes abundant dissolving, is filled in the second stainless steel cask with 150 order stainless steel filter screen sieves;
Step 3: add urethane adhesives in the second stainless steel cask, stirs 30-40 minutes, makes abundant dispersion, obtain halogen-free flameproof mixed liquor.
5. use halogen-free flameproof mixed liquor described in any one of claim 1 to 3 to prepare a method for flame-retardant conductive fabric, it is characterized in that comprising the steps:
Web-like is conducted electricity cloth holder on straight painting formula tape coating machine stock shelf, traction conductive fabric is through gluing head and baking box and be rolled onto on winding off spindle, the spacing regulating scraper and gluing roller is that the thickness of conductive fabric own adds 2, described halogen-free flameproof mixed liquor to be poured in the gluing groove of straight painting formula tape coating machine and heated oven, open straight painting formula tape coating machine, progressively accelerate conductive fabric feed speed and carry out glue-coating processing to rated value; Conductive fabric after coating waste water is entered baking box to dry, obtain flame-retardant conductive fabric.
6. prepare a method for flame-retardant conductive fabric as claimed in claim 5, it is characterized in that: described baking oven heating-up temperature is 120 DEG C, described conductive fabric feed speed rated value is 30 ms/min.
7. a flame-retardant conductive fabric, is characterized in that: use the method preparing flame-retardant conductive fabric to be as claimed in claim 6 prepared from.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410433250.4A CN105469891A (en) | 2014-08-29 | 2014-08-29 | Halogen-free flame-retardant mixed liquor and preparation method thereof and flame-retardant conductive fabric and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410433250.4A CN105469891A (en) | 2014-08-29 | 2014-08-29 | Halogen-free flame-retardant mixed liquor and preparation method thereof and flame-retardant conductive fabric and preparation method thereof |
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| CN201410433250.4A Pending CN105469891A (en) | 2014-08-29 | 2014-08-29 | Halogen-free flame-retardant mixed liquor and preparation method thereof and flame-retardant conductive fabric and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000023513A1 (en) * | 1998-10-22 | 2000-04-27 | Parker-Hannifin Corporation | Intumescent, flame retardant pressure sensitive adhesive composition for emi shielding applications |
| CN1467337A (en) * | 2002-07-10 | 2004-01-14 | 郑成通 | Conductive fiber cloth |
| CN1760297A (en) * | 2005-10-19 | 2006-04-19 | 江阴科隆化工材料有限公司 | Environmental protection fire retardant hot-melt film adhesive in user for electric clothes |
| CN101208469A (en) * | 2005-04-19 | 2008-06-25 | 精炼株式会社 | Flame-retardant metal-coated fabric and gasket comprising the same for electromagnetic-wave shielding |
-
2014
- 2014-08-29 CN CN201410433250.4A patent/CN105469891A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000023513A1 (en) * | 1998-10-22 | 2000-04-27 | Parker-Hannifin Corporation | Intumescent, flame retardant pressure sensitive adhesive composition for emi shielding applications |
| CN1467337A (en) * | 2002-07-10 | 2004-01-14 | 郑成通 | Conductive fiber cloth |
| CN101208469A (en) * | 2005-04-19 | 2008-06-25 | 精炼株式会社 | Flame-retardant metal-coated fabric and gasket comprising the same for electromagnetic-wave shielding |
| CN1760297A (en) * | 2005-10-19 | 2006-04-19 | 江阴科隆化工材料有限公司 | Environmental protection fire retardant hot-melt film adhesive in user for electric clothes |
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Application publication date: 20160406 |