CN104233823A - Dipping solution for high-temperature-resistant industrial canvas and preparation method of dipping solution - Google Patents
Dipping solution for high-temperature-resistant industrial canvas and preparation method of dipping solution Download PDFInfo
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- CN104233823A CN104233823A CN201410483911.4A CN201410483911A CN104233823A CN 104233823 A CN104233823 A CN 104233823A CN 201410483911 A CN201410483911 A CN 201410483911A CN 104233823 A CN104233823 A CN 104233823A
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Abstract
The invention provides a dipping solution for high-temperature-resistant industrial canvas and a preparation method of the dipping solution. The dipping solution is prepared from the following raw materials in parts by weight: 50-70 parts of soft water, 0.1-0.2 part of solid-state sodium hydroxide, 110-130 parts of nitrile latex, 70-80 parts of butadiene-vinylpyridine latex, 12-14 parts of ammonia water, 178-181.4 parts of an RF solution and 11-14 parts of isocyanate, wherein the RF solution is prepared from the following raw materials in parts by weight: 139-170 parts of soft water, 0.17-0.21 part of solid-state sodium hydroxide, 9-11 parts of resorcinol and 7.3-16.2 parts of formaldehyde. Compared with the prior art, the dipping solution adopts the nitrile latex and the butadiene-vinylpyridine latex as main bodies, enhances the adhesion property of a framework layer and a rubber layer, enhances the adhesion property among high-temperature layers of a conveying belt, and prolongs the service life of the conveying belt.
Description
Technical field
The present invention relates to canvas process field, be specifically related to dipping solution of a kind of high temperature resistant industrial canvas and preparation method thereof.
Background technology
The framework material of conveyer belt is polyester dipped canvas, the fusing point of polyester material is at 264 DEG C, have good heat resistance, therefore polyester dipped canvas generally substitutes previous duck, shows its powerful advantage in the Application Areas of all kinds of high temperature-resistance conveyor belt.
Polyester dipped canvas is the important component part of conveyer belt, almost will bear whole load when conveyer belt runs.In current polyester canvas impregnation production, comparative maturity is adopt two-bath process, first bath adopts water-based latex, and the second bath is then traditional resorcinol-formaldehyde-latex dipping liquid, and this kind of traditional dipping solution is under long-term high temperature action, easily be decomposed, thus cause the damage inactivation of adhesive layer.Therefore, improving dipped canvas resistance to elevated temperatures further, extend the service life of conveyer belt, is solve a high high temperature-resistance conveyor belt problem in the urgent need to address at present.
Improving existing impregnation system is the important means solving conveyer belt interlayer adhesion decline problem under the high temperature conditions.
Summary of the invention
For solving the problems of the technologies described above, the invention provides dipping solution of a kind of high temperature resistant industrial canvas and preparation method thereof, enhancing the bond properties of casing play and rubber layer, improve conveyer belt high temperature interlaminar bonding property, extend the service life of conveyer belt.
The dipping solution of a kind of high temperature resistant industrial canvas provided by the invention, its formula comprises the raw material of following weight portion:
The formula of described RF liquid, comprises the raw material of following weight portion:
Purity >=96% of described solid NuaO, the mass percentage concentration of formaldehyde is 37% ~ 37.4%, the mass percentage concentration of NBR latex is 40% ~ 45%, and the mass percentage concentration of butadiene-vinylpyridine copylymer latex is 39.5% ~ 41.5%, and the mass percentage concentration of ammoniacal liquor is 18% ~ 20%.
The preparation method of the dipping solution of a kind of high temperature resistant industrial canvas provided by the invention, comprises the following steps:
(1), according to the formula of dipping solution, add soft water, then add NaOH in reaction cylinder, mix and blend is until dissolve;
(2) add NBR latex and the butadiene-vinylpyridine copylymer latex latex of formula ratio, again, stir;
(3) ammoniacal liquor of formula ratio is added, again, and mix and blend 10-20 minute, stir;
(4) the RF liquid, adding formula ratio again stirs;
(5), finally add the isocyanates of formula ratio, stir the dipping solution of 30-60 minute obtained high temperature resistant industrial canvas continuously.
The preparation method of described RF liquid, comprises the following steps:
A, according to formula ratio, in reaction cylinder, add soft water add NaOH again, stir until dissolve;
B, add the resorcinol of formula ratio again, stir until dissolve completely;
C, add the formaldehyde of formula ratio again, temperature controls below 25 DEG C, stirs 4-6 hour continuously, obtained RF liquid.
Dipping solution provided by the invention adopts NBR latex and butadiene-vinylpyridine copylymer latex as main body, containing nitrile group in NBR latex, therefore has good heat resistance, cementability, ABRASION RESISTANCE; Owing to having introduced pyridine groups in butadiene-vinylpyridine copylymer latex, polarity nitrogen-atoms on pyridine ring can react with the organic group on RF liquid and fiber, form hydrogen bond and dipole combination, make the cohesiveness of butadiene-vinylpyridine copylymer latex and synthetic fiber good, therefore butadiene-vinylpyridine copylymer latex is widely used as the impregnation adhesive of adhesive tape rubber articles framework material; Compare with prior art, dipping solution provided by the invention adopts NBR latex and butadiene-vinylpyridine copylymer latex as main body, enhances the bond properties of casing play and rubber layer, improves conveyer belt high temperature interlaminar bonding property, extend the service life of conveyer belt.
Detailed description of the invention
Embodiment 1
Below in conjunction with embodiment, the present invention is further illustrated.
A dipping solution for high temperature resistant industrial canvas, its formula comprises the raw material of following weight portion:
The formula of described RF liquid, comprises the raw material of following weight portion:
Purity Wei≤96% of described NaOH, the mass percentage concentration of formaldehyde is 37%, and the mass percentage concentration of NBR latex is 45%, and the mass percentage concentration of butadiene-vinylpyridine copylymer latex is 40%, and the mass percentage concentration of ammoniacal liquor is 18%.
A preparation method for the dipping solution of high temperature resistant industrial canvas, comprises the following steps:
(1), according to the formula of dipping solution, add soft water, then add NaOH in reaction cylinder, mix and blend is until dissolve;
(2) add NBR latex and the butadiene-vinylpyridine copylymer latex latex of formula ratio, again, stir;
(3) ammoniacal liquor of formula ratio is added, again, and mix and blend 10 minutes, stir;
(4) the RF liquid, adding formula ratio again stirs;
(5), finally add the isocyanates of formula ratio, stir the dipping solution of 30 minutes obtained high temperature resistant industrial canvas continuously.
The preparation method of described RF liquid is:
A, according to formula ratio, in reaction cylinder, add soft water add NaOH again, stir until dissolve;
B, add the resorcinol of formula ratio again, stir until dissolve completely;
C, add the formaldehyde of formula ratio again, temperature controls below 25 DEG C, stirs 5 hours continuously, obtained RF liquid.
Embodiment 2
A dipping solution for high temperature resistant industrial canvas, its formula comprises the raw material of following weight portion:
The formula of described RF liquid, comprises the raw material of following weight portion:
The purity of described NaOH is >=96%, and the mass percentage concentration of formaldehyde is 37.4%, and the mass percentage concentration of NBR latex is 40%, and the mass percentage concentration of butadiene-vinylpyridine copylymer latex is 41.5%, and the mass percentage concentration of ammoniacal liquor is 19%.
A preparation method for the dipping solution of high temperature resistant industrial canvas, comprises the following steps:
(1), according to the formula of dipping solution, add soft water, then add NaOH in reaction cylinder, mix and blend is until dissolve;
(2) add NBR latex and the butadiene-vinylpyridine copylymer latex latex of formula ratio, again, stir;
(3) ammoniacal liquor of formula ratio is added, again, and mix and blend 15 minutes, stir;
(4) the RF liquid, adding formula ratio again stirs;
(5), finally add the isocyanates of formula ratio, stir the dipping solution of 40 minutes obtained high temperature resistant industrial canvas continuously.
The preparation method of described RF liquid is:
A, according to formula ratio, in reaction cylinder, add soft water add NaOH again, stir until dissolve;
B, add the resorcinol of formula ratio again, stir until dissolve completely;
C, add the formaldehyde of formula ratio again, temperature controls below 25 DEG C, stirs 5 hours continuously, obtained RF liquid.
Embodiment 3
A dipping solution for high temperature resistant industrial canvas, its formula comprises the raw material of following weight portion:
The formula of described RF liquid, comprises the raw material of following weight portion:
The purity of described NaOH is >=96%, and the mass percentage concentration of formaldehyde is 37%, and the mass percentage concentration of NBR latex is 43%, and the mass percentage concentration of butadiene-vinylpyridine copylymer latex is 39.5%, and the mass percentage concentration of ammoniacal liquor is 18%.
A kind of preparation method and step of high temperature resistant industrial canvas dipping solution are identical with embodiment 1.
The three kinds of maceration extracts prepared by embodiment 1-3 are impregnated on the industrial canvas of NN200 by single bath process, and after oven dry, make the sample of 4 cloth 5 glue, rubber used is EPDM elastomeric compound, under the condition of 165 DEG C × 30min, carry out sulfuration.At normal temperatures, the bond properties of sample after sulfuration is surveyed; Sample after sulfuration is placed in 175 DEG C of ageing oven constant temperature and places 1h, test plunger bond strength immediately after taking-up, the bond properties namely under high temperature.Test result is as following table 1.
Table 1
Claims (9)
1. a dipping solution for high temperature resistant industrial canvas, is characterized in that, the formula of dipping solution comprises the raw material of following weight portion:
2. dipping solution according to claim 1, is characterized in that, the formula of described RF liquid, comprises the raw material of following weight portion:
3. dipping solution according to claim 1 and 2, is characterized in that, purity >=96% of described solid NuaO,
4. dipping solution according to claim 1 and 2, is characterized in that, the mass percentage concentration of described formaldehyde is 37% ~ 37.4%.
5. dipping solution according to claim 1 and 2, is characterized in that, the mass percentage concentration of described NBR latex is 40% ~ 45%.
6. dipping solution according to claim 1 and 2, is characterized in that, the mass percentage concentration of described butadiene-vinylpyridine copylymer latex is 39.5% ~ 41.5%.
7. dipping solution according to claim 1 and 2, is characterized in that, the mass percentage concentration of ammoniacal liquor is 18% ~ 20%.
8. a preparation method for dipping solution according to claim 1, is characterized in that, said method comprising the steps of:
(1), according to the formula of dipping solution, add soft water, then add NaOH in reaction cylinder, mix and blend is until dissolve;
(2) add NBR latex and the butadiene-vinylpyridine copylymer latex latex of formula ratio, again, stir;
(3) ammoniacal liquor of formula ratio is added, again, and mix and blend 10-20 minute, stir;
(4) add the RF liquid of formula ratio, again, stir;
(5), finally add the isocyanates of formula ratio, stir the dipping solution of 30-60 minute obtained high temperature resistant industrial canvas continuously.
9. preparation method according to claim 8, is characterized in that, the preparation method of described RF liquid, comprises the following steps:
A, according to formula ratio, in reaction cylinder, add soft water add NaOH again, stir until dissolve;
B, add the resorcinol of formula ratio again, stir until dissolve completely;
C, add the formaldehyde of formula ratio again, temperature controls below 25 DEG C, stirs 4-6 hour continuously, obtained RF liquid.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410483911.4A CN104233823A (en) | 2014-09-20 | 2014-09-20 | Dipping solution for high-temperature-resistant industrial canvas and preparation method of dipping solution |
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| CN201410483911.4A CN104233823A (en) | 2014-09-20 | 2014-09-20 | Dipping solution for high-temperature-resistant industrial canvas and preparation method of dipping solution |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104669722A (en) * | 2015-02-11 | 2015-06-03 | 芜湖华烨工业用布有限公司 | Heat-resistant impregnated synthetic fiber canvas and formula of impregnating adhesive solution needed by impregnation process |
| CN104894861A (en) * | 2015-06-09 | 2015-09-09 | 浙江尤夫高新纤维股份有限公司 | Impregnation formula for improving chromatic aberration of glue tube yarns and production method |
| CN105175783A (en) * | 2015-10-10 | 2015-12-23 | 青岛科技大学 | Surface treatment method for continuous basalt fiber framework material |
| CN105778141A (en) * | 2016-03-31 | 2016-07-20 | 安徽工程大学 | Modification method for improving adhesive force of polyester material surfaces |
| CN107700220A (en) * | 2017-10-18 | 2018-02-16 | 江苏太极实业新材料有限公司 | A kind of preparation method of fibre framework materials dipping solution |
| CN109056330A (en) * | 2018-07-30 | 2018-12-21 | 江苏百利达股份有限公司 | A kind of high fluidity RF liquid and preparation method thereof |
| CN109252372A (en) * | 2018-08-30 | 2019-01-22 | 芜湖华烨工业用布有限公司 | The dipping solution and preparation method thereof of one-bath process production impregnation polyester canvas |
| CN110040984A (en) * | 2019-05-09 | 2019-07-23 | 成都中玻复合材料有限公司 | A kind of basalt fibre rubber composite material size |
| CN111088700A (en) * | 2019-12-03 | 2020-05-01 | 浙江尤夫科技工业有限公司 | Rubber canvas gum dipping formula, preparation method thereof and preparation method of rubber canvas |
| CN112458759A (en) * | 2020-10-12 | 2021-03-09 | 苏州考特茨工业纺织品有限公司 | Water-based hydrogenated nitrile rubber dipping solution for oil-resistant heat-resistant synchronous belt, preparation method of water-based hydrogenated nitrile rubber dipping solution and preparation process of dipped fabric |
| CN114164669A (en) * | 2021-11-11 | 2022-03-11 | 无锡鸿淼布业有限公司 | Impregnation liquid for single line of leather membrane cloth and size mixing method |
| CN117070031A (en) * | 2023-08-16 | 2023-11-17 | 安徽工程大学 | Preparation method and application of PET prepreg with controllable temperature fusing |
| CN117070031B (en) * | 2023-08-16 | 2024-05-31 | 安徽工程大学 | Preparation method and application of PET prepreg with controllable temperature fusing |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104669722A (en) * | 2015-02-11 | 2015-06-03 | 芜湖华烨工业用布有限公司 | Heat-resistant impregnated synthetic fiber canvas and formula of impregnating adhesive solution needed by impregnation process |
| CN104894861A (en) * | 2015-06-09 | 2015-09-09 | 浙江尤夫高新纤维股份有限公司 | Impregnation formula for improving chromatic aberration of glue tube yarns and production method |
| CN105175783A (en) * | 2015-10-10 | 2015-12-23 | 青岛科技大学 | Surface treatment method for continuous basalt fiber framework material |
| CN105778141A (en) * | 2016-03-31 | 2016-07-20 | 安徽工程大学 | Modification method for improving adhesive force of polyester material surfaces |
| CN107700220A (en) * | 2017-10-18 | 2018-02-16 | 江苏太极实业新材料有限公司 | A kind of preparation method of fibre framework materials dipping solution |
| CN109056330A (en) * | 2018-07-30 | 2018-12-21 | 江苏百利达股份有限公司 | A kind of high fluidity RF liquid and preparation method thereof |
| CN109252372A (en) * | 2018-08-30 | 2019-01-22 | 芜湖华烨工业用布有限公司 | The dipping solution and preparation method thereof of one-bath process production impregnation polyester canvas |
| CN110040984A (en) * | 2019-05-09 | 2019-07-23 | 成都中玻复合材料有限公司 | A kind of basalt fibre rubber composite material size |
| CN111088700A (en) * | 2019-12-03 | 2020-05-01 | 浙江尤夫科技工业有限公司 | Rubber canvas gum dipping formula, preparation method thereof and preparation method of rubber canvas |
| CN112458759A (en) * | 2020-10-12 | 2021-03-09 | 苏州考特茨工业纺织品有限公司 | Water-based hydrogenated nitrile rubber dipping solution for oil-resistant heat-resistant synchronous belt, preparation method of water-based hydrogenated nitrile rubber dipping solution and preparation process of dipped fabric |
| CN112458759B (en) * | 2020-10-12 | 2023-03-31 | 苏州考特茨工业纺织品有限公司 | Water-based hydrogenated nitrile butadiene rubber impregnation liquid for oil-resistant and heat-resistant synchronous belt, preparation method of impregnation liquid and preparation process of impregnated cloth |
| CN114164669A (en) * | 2021-11-11 | 2022-03-11 | 无锡鸿淼布业有限公司 | Impregnation liquid for single line of leather membrane cloth and size mixing method |
| CN117070031A (en) * | 2023-08-16 | 2023-11-17 | 安徽工程大学 | Preparation method and application of PET prepreg with controllable temperature fusing |
| CN117070031B (en) * | 2023-08-16 | 2024-05-31 | 安徽工程大学 | Preparation method and application of PET prepreg with controllable temperature fusing |
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Application publication date: 20141224 |