CN101165265A - Method for producing anti-flaming gumming canvas used for conveyer belt - Google Patents
Method for producing anti-flaming gumming canvas used for conveyer belt Download PDFInfo
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- CN101165265A CN101165265A CNA2006100691575A CN200610069157A CN101165265A CN 101165265 A CN101165265 A CN 101165265A CN A2006100691575 A CNA2006100691575 A CN A2006100691575A CN 200610069157 A CN200610069157 A CN 200610069157A CN 101165265 A CN101165265 A CN 101165265A
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- canvas
- flaming
- gumming
- flame retardant
- conveyer belt
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Abstract
The present invention relates to process of producing fireproof gummed canvas for conveying belt. The fireproof gummed canvas is produced with grey EP or PP canvas, and through gumming with RFL fluid containing phosphorus-nitrogen fire retardant. The fireproof gummed canvas has high fireproof performance, no molten drop and less produced smoke, high adhesion to rubber and high breaking strength.
Description
The invention belongs to weaving, chemical technology field, relate to production method heat-resisting, that high temperature-resistance conveyor belt is used anti-flaming gumming canvas.
In the colliery, conveyer belt moves at underground environment, and conveying is had strict fire-retardant requirement.Main at present utilization PVC, PVG integral core conveying belt, the powerful supporting layer of this conveyer belt is a whole belt core.Its production method is made after to be the whole belt core fabric through the polyvinyl chloride dipping stick with paste dipping plasticizing or sulfuration, is referred to as the PVC integral core conveying belt, surface coverage rubber be referred to as the PVG integral core conveying belt.The conveyer belt that this whole belt core fabric is a framework material can reach fire-retardant requirement, but its shortcoming is a whole belt core is weaved by multiply cloth and forms, complex structure, weave with use in, serious wear between the fiber, serviceability is relatively poor, shows as PVC, the easy premature ageing of PVG conveyer belt, fatigue durability is poor, service life is short, and cost performance is low.Conventional sandwich tape is made by multilayer canvas (mainly comprising the EP/PP canvas) and rubber calendering, intensity and strength retention are all fine, good performance is being arranged aspect the non-fire retarding conveying band, but owing to conventional EP, PP canvas do not have flame retardant effect and can not be used for fire retarding conveying band.
The purpose of this invention is to provide a kind of method of producing anti-flaming gumming canvas used for conveyer belt, break through the flame-retarded technology difficult problem of conventional EP/PP canvas, thereby be applied to the framework material of fire retarding conveying band, reach the requirement of making fire retarding conveying band.
The method that the present invention adopts is with tabby EP and PP openpore canvas, utilizes the impregnation formula system that contains phosphorus-nitrogen containing flame retardant, carries out two bath method impregnations and handles, and produces the anti-flaming gumming canvas with good flame retardant effect and good serviceability.
Technical solution of the present invention is as follows:
1, selects conventional EP and PP openpore canvas openpore material for use as anti-flaming gumming canvas.
2, the openpore canvas carries out the impregnation processing through two bath method impregnation formulas and gum dipping process.
One dipping solution formulation content percentage is: desalted water 95.59 ± 1%, epoxy resin EX-313 1.01 ± 0.01%, blocked isocyanate 5.40 ± 0.10%.
Two dipping solution prescriptions are to allocate RFL liquid earlier, and the percentage composition of RFL is: desalted water 49.03 ± 1%, caustic soda 0.23 ± 0.01%, resorcinol 1.90 ± 0.10%, formaldehyde 2.85 ± 0.10%, ammoniacal liquor 1.52 ± 0.01%, latex 44.47 ± 1.5%; After RFL liquid prepares, add phosphorus-nitrogen containing flame retardant, the addition of phosphorus-nitrogen containing flame retardant is 1/5～1/3 of a RFL liquid quality.Promptly obtain final mixing two immersion liquid after stirring.
3, the gum dipping process condition of Cai Yonging is: the speed of service is 45 ± 5 meters/minute, 1
#The dry section temperature is 125 ± 15 ℃, 2B
#The dry section temperature is 140 ± 15 ℃, 3
#Heat fixation district temperature is 230 ± 20 ℃, 5
#135 ± 15 ℃ of dry sections, 6
#The recovery district temperature is 226 ± 10 ℃, heat fixation district tension draft rate-0.7 ± 1%, recovery district tension draft rate-1.5 ± 1%.
The anti-flaming gumming canvas that the inventive method is produced carries out flammability test, has fire resistance good, not molten drop, the characteristics that have low smoke generation.When having the good flame-retardance energy, good with the bond properties of rubber, bonding force reaches more than the 200N/2.5cm, and has kept than higher ultimate strength.The conveyer belt that the anti-flaming gumming canvas of producing with the inventive method is made, have that fire resistance is good, ultimate strength is high, anti tear, fatigue durability be good, advantages such as long service life can substitute PVG, PVC conveyer belt, have good application prospects at steel mill and colliery.
Example one:
L, to select EP-200 openpore canvas for use be raw material, and its twisted weave characteristics are:
2, the impregnation solution formula is:
One dipping solution prescription is: desalted water 2773Kg, epoxy resin EX-3l330Kg, blocked isocyanate 160Kg.
Two dipping solution prescriptions are:
(1) allotment RFL liquid, filling a prescription is: desalted water 1290Kg, caustic soda 6.0Kg (50% concentration), resorcinol 50Kg, formaldehyde 75Kg (37% concentration), ammoniacal liquor 40Kg (28% concentration), latex 1170Kg.
(2) in RFL liquid, add 650Kg phosphotriester fire retardant, promptly obtain final mixing two immersion liquid after stirring.
3, gum dipping process: the speed of service is 46 meters/minute, l
#The dry section temperature is 125 ℃, 2B
#The dry section temperature is 140 ℃, 3
#Heat fixation district temperature is 230 ℃, 5
#135 ℃ of dry sections, 6
#The recovery district temperature is 226 ℃, heat fixation district tension draft rate-0.7%, recovery district tension draft rate-1.5%.
Example two:
L, to select PP-200 openpore canvas for use be raw material, and its twisted weave characteristics are:
2, the impregnation solution formula is:
One dipping solution prescription is: desalted water 2773Kg, epoxy resin EX-31330Kg, blocked isocyanate 160Kg.
Two dipping solution prescriptions are:
(1) allotment RFL liquid, filling a prescription is: desalted water 1280Kg, caustic soda 6.0Kg (50% concentration), resorcinol 50Kg, formaldehyde 75Kg (37% concentration), ammoniacal liquor 40Kg (28% concentration), latex 1180Kg.
(2) in RFL liquid, add 700Kg melamine fire retardant, promptly obtain final mixing two immersion liquid after stirring.
3, gum dipping process: the speed of service is 45 meters/minute, 1
#The dry section temperature is 125 ℃, 2B
#The dry section temperature is 141 ℃, 3
#Heat fixation district temperature is 231 ℃, 5
#135 ℃ of dry sections, 6
#The recovery district temperature is 227 ℃, heat fixation district tension draft rate-0.8%, recovery district tension draft rate-1.6%.
Example three:
1, selecting NN-300 openpore canvas for use is raw material, and its twisted weave characteristics are:
2, the impregnation solution formula is: fire retardant canvas two-bath process impregnation, an impregnation solution formula of employing is: desalted water 2773Kg, epoxy resin EX-31330Kg, blocked isocyanate 160Kg.
Two soak the dipping solution prescription is: earlier that normal RFL liquid is deployed, normal RFL formula of liquid is: desalted water 1290Kg, caustic soda 6.0Kg (50% concentration), resorcinol 50Kg, formaldehyde 75Kg (37% concentration), ammoniacal liquor 40Kg (28% concentration), latex 1170Kg; In normal RFL liquid, add 750Kg phosphorus/nitrogen expansion type composite flame-retardant agent again, promptly obtain final mixing two immersion liquid after stirring.
3, gum dipping process: the speed of service is 45 meters/minute, 1
#The dry section temperature is 124 ℃, 2B
#The dry section temperature is 140 ℃, 3
#Heat fixation district temperature is 228 ℃, 5
#134 ℃ of dry sections, 6
#The recovery district temperature is 226 ℃, heat fixation district tension draft rate 0.1%, recovery district tension draft rate-0.8%.
Claims (2)
1. the production method of an anti-flaming gumming canvas used for conveyer belt adopts conventional EP and PP openpore canvas as the openpore material of anti-flaming gumming canvas, it is characterized in that:
The two bath method impregnations of special impregnation formula that contain phosphorus-nitrogen containing flame retardant by utilization are handled, the impregnation solution formula percentage composition that anti-flaming gumming canvas adopts is: desalted water 95.59 ± 1%, epoxy resin EX-313 1.01 ± 0.01%, blocked isocyanate 5.40 ± 0.10%.
Two dipping solution prescriptions are to add phosphorus-nitrogen containing flame retardant in RFL liquid, and the percentage composition of RFL liquid is: desalted water 49.03 ± 1%, caustic soda 0.23 ± 0.01%, resorcinol 1.90 ± 0.10%, formaldehyde 2.85 ± 0.10%, ammoniacal liquor 1.52 ± 0.01%, latex 44.47 ± 1.5%; The addition of phosphorus-nitrogen containing flame retardant is 1/5～1/3 of a RFL liquid quality.
The two bath method gum dipping process conditions that adopt are: the speed of service is 45 ± 5 meters/minute, 1
#The dry section temperature is 125 ± 15 ℃, 2B
#The dry section temperature is 140 ± 15 ℃, 3
#Heat fixation district temperature is 230 ± 20 ℃, 5
#135 ± 15 ℃ of dry sections, 6
#The recovery district temperature is 226 ± 10 ℃, heat fixation district tension draft rate-0.7 ± 1%, recovery district tension draft rate-1.5 ± 1%.
2. the production method of anti-flaming gumming canvas used for conveyer belt according to claim 1, it is characterized in that two dipping solution preparations are in proper order: earlier RFL liquid is prepared, again phosphorus-nitrogen containing flame retardant is mixed in the certain quality ratio with RFL liquid, promptly obtain final mixing two immersion liquid after stirring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100691575A CN101165265A (en) | 2006-10-17 | 2006-10-17 | Method for producing anti-flaming gumming canvas used for conveyer belt |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100691575A CN101165265A (en) | 2006-10-17 | 2006-10-17 | Method for producing anti-flaming gumming canvas used for conveyer belt |
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| CN101165265A true CN101165265A (en) | 2008-04-23 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102199878A (en) * | 2011-04-12 | 2011-09-28 | 可隆（南京）特种纺织品有限公司 | Primary dip solution and dipping treatment method of polyester cord fabrics |
| CN102822412A (en) * | 2010-03-10 | 2012-12-12 | 名古屋油化株式会社 | Flame-retardant fibrous material and process for production thereof |
| CN102828417A (en) * | 2012-07-30 | 2012-12-19 | 东营市龙力得新材料有限公司 | Production process of high-modulus low-shrinkage polyester cord fabric impregnation bath impregnation liquid |
| CN106012385A (en) * | 2016-07-07 | 2016-10-12 | 山东海龙博莱特化纤有限责任公司 | Production method of high temperature resistance type rubber-dipped canvas for heat-resistant conveying belt |
| CN106192421A (en) * | 2016-07-29 | 2016-12-07 | 芜湖华烨工业用布有限公司 | A kind of anti-flaming gumming canvas flame-retardant impregnating liquid and preparation method |
| CN107447533A (en) * | 2017-09-18 | 2017-12-08 | 无锡宝强工业织造有限公司 | A kind of preparation method of polyester flame-retardant canvas |
| CN110295497A (en) * | 2019-05-29 | 2019-10-01 | 安徽华烨特种材料有限公司 | A kind of aging-resistant flame-proof type canvas maceration extract |
| CN110872788A (en) * | 2019-12-03 | 2020-03-10 | 苏州诺博恩新材料科技有限公司 | Bath glue solution, microcapsule flame retardant and preparation method thereof |
-
2006
- 2006-10-17 CN CNA2006100691575A patent/CN101165265A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102822412A (en) * | 2010-03-10 | 2012-12-12 | 名古屋油化株式会社 | Flame-retardant fibrous material and process for production thereof |
| CN102199878A (en) * | 2011-04-12 | 2011-09-28 | 可隆（南京）特种纺织品有限公司 | Primary dip solution and dipping treatment method of polyester cord fabrics |
| CN102199878B (en) * | 2011-04-12 | 2013-01-09 | 可隆（南京）特种纺织品有限公司 | Primary dip solution and dipping treatment method of polyester cord fabrics |
| CN102828417A (en) * | 2012-07-30 | 2012-12-19 | 东营市龙力得新材料有限公司 | Production process of high-modulus low-shrinkage polyester cord fabric impregnation bath impregnation liquid |
| CN106012385A (en) * | 2016-07-07 | 2016-10-12 | 山东海龙博莱特化纤有限责任公司 | Production method of high temperature resistance type rubber-dipped canvas for heat-resistant conveying belt |
| CN106192421A (en) * | 2016-07-29 | 2016-12-07 | 芜湖华烨工业用布有限公司 | A kind of anti-flaming gumming canvas flame-retardant impregnating liquid and preparation method |
| CN107447533A (en) * | 2017-09-18 | 2017-12-08 | 无锡宝强工业织造有限公司 | A kind of preparation method of polyester flame-retardant canvas |
| CN107447533B (en) * | 2017-09-18 | 2019-11-12 | 无锡宝强工业织造有限公司 | A kind of preparation method of polyester flame-retardant canvas |
| CN110295497A (en) * | 2019-05-29 | 2019-10-01 | 安徽华烨特种材料有限公司 | A kind of aging-resistant flame-proof type canvas maceration extract |
| CN110872788A (en) * | 2019-12-03 | 2020-03-10 | 苏州诺博恩新材料科技有限公司 | Bath glue solution, microcapsule flame retardant and preparation method thereof |
| CN110872788B (en) * | 2019-12-03 | 2022-06-24 | 苏州诺博恩新材料科技有限公司 | Bath glue solution, microcapsule flame retardant and preparation method thereof |
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Open date: 20080423 |