CN105598017A - Spray coating process for blank body of modified asphalt waterproof coiled material - Google Patents
Spray coating process for blank body of modified asphalt waterproof coiled material Download PDFInfo
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- CN105598017A CN105598017A CN201610054878.2A CN201610054878A CN105598017A CN 105598017 A CN105598017 A CN 105598017A CN 201610054878 A CN201610054878 A CN 201610054878A CN 105598017 A CN105598017 A CN 105598017A
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- Prior art keywords
- carcass
- negative pressure
- coating process
- spraying
- blank body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0218—Pretreatment, e.g. heating the substrate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2201/00—Polymeric substrate or laminate
- B05D2201/02—Polymeric substrate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2320/00—Organic additives
Landscapes
- Tyre Moulding (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a spray coating process for a blank body of a modified asphalt waterproof coiled material. The spray coating process for the blank body of the modified asphalt waterproof coiled material comprises the following steps that the blank body of the waterproof coiled material is conveyed to a first spraying device through a rolling wheel; modified asphalt is sprayed and coated to one surface of the blank body by the first spraying device; the blank body subjected to spraying and coating is conveyed to a first negative pressure device; the modified asphalt on the upper surface of the blank body is sucked into the inside of the blank body through negative pressure by a first negative pressure device; the sprayed and coated blank body is conveyed to a second spraying device through the rolling wheel; the second spraying device sprays and coats the modified asphalt onto the other surface of the blank body; the sprayed and coated blank body is conveyed to a second negative pressure device; the modified asphalt on the other surface of the blank body is sucked into the inside of the blank body through negative pressure by a second negative pressure device. The spray coating process for the blank body of the modified asphalt waterproof coiled material has the advantages that the paint consumption is reduced, and the damage to the blank body is reduced.
Description
Technical field
The invention belongs to forming technology of coiled material technical field, be specifically related to a kind of tire of modified asphalt waterproof coiled materialThe spraying coating process of body.
Background technology
The moulding process of asphalt water-proof coiled material is generally through multiple tracks by the carcass material of a meter or nearly one meter of fabric widthOperation, the operation such as comprise uncoiling, dip-coating, overlay film is cooling, finished product batches, be finally shaped to have necessarily thickDegree, length, fabric width are the rolling product of a meter. Wherein, in the dip-coating of asphalt water-proof coiled material moulding processIn technique, specifying that carcass must be infiltrated by pitch in national standard, must not there is the place not infiltrated in carcass,Carcass must not present the color of carcass self, so need to first carry out the preimpregnation of dip-coating material.
Traditional carcass dipping process, as shown in Figure 1, carcass is entered and is soaked coating pond by cylinder, fullyAfter absorption dip-coating material, through the extruding of the first cylinder, second tin roller, extrude unnecessary dip-coating material, then enterMoulding process. But the shortcoming of traditional carcass dipping process is, the immersed coating of carcass soaks into completely, byMake carcass can adsorb a large amount of dip-coating material in the loose structure of carcass itself, need to pass through the first cylinder,Two drum extrusion are extruded unnecessary dip-coating material. If not extracting clean unnecessary dip-coating material not only can cause on raw materialWaste, and there will be the underproof product of index. Therefore, extrude unnecessary soaking for as much as possibleCoating, the first cylinder, second tin roller need to apply larger pressure, can cause certain damage to carcass,And increase the resistance of whole dip-coating process.
Summary of the invention
For the deficiencies in the prior art, the object of the present invention is to provide a kind of tire of modified asphalt waterproof coiled materialThe spraying coating process of body, this carcass spraying coating process has been saved the consumption of coating, has reduced the damage to carcass.
For reaching this object, the present invention by the following technical solutions:
A spraying coating process for the carcass of modified asphalt waterproof coiled material, comprises the following steps:
1) carcass of waterproof roll is sent to the first spray equipment by roller, described the first spray equipment willModified pitch is sprayed into a surface of carcass, and the carcass after spraying is sent to the first negative pressure device, and describedOne negative pressure device sucks the modified pitch of the upper surface of carcass the inside of carcass by negative pressure;
2) through step 1) carcass after spraying is sent to the second spray equipment through roller, described the second spray dressPut another surface that modified pitch is sprayed into carcass, the carcass after spraying is sent to the second negative pressure device,Described the second negative pressure device sucks another surperficial modified pitch of carcass the inside of carcass by negative pressure.
Wherein, described step 1) also comprise before carcass drying is installed at 150～200 DEG C of temperature and is driedDry; For example, the temperature of oven dry be 150 DEG C, 155 DEG C, 160 DEG C, 165 DEG C, 170 DEG C, 175 DEG C, 180 DEG C,185 DEG C, 190 DEG C, 195 DEG C, 200 DEG C; The object of drying is to remove the moisture that carcass contains, and preventsMoisture inner after carcass is heated gasifies, and forms bubble between the modified asphalt layer of spraying, affects its performanceAnd service life. Preferably, the temperature of described oven dry is 180 DEG C; Because in the time that temperature is 170～180 DEG C,After modified pitch coating is heated, the moisture in hole becomes gaseous state from liquid state, due to the surface tension of heated bitumenVery little, good with the wettability of dry carcass, therefore more easily enter in the hole of carcass and go.
Asphalt water-proof coiled material is traditional waterproof roll, and cost is low, but hot strength and percentage elongation are low, temperaturePoor stability, high temperature easily trickles, fragile under low temperature splitting, resistance to ag(e)ing is poor, and service life is short, therefore needsIn the manufacture process of asphalt water-proof coiled material, need to add modifier, so that the performance of asphalt water-proof coiled materialGet a promotion, conventional modifier has SBS and APP.
SBS, be called for short SBS, belong to thermoplastic elastomer material, be fromIn oil product, refinement is processed into, and adds SBS in pitch, and SBS is fused in pitch and at pitchMiddle formation space network structure, makes SBS modified pitch have the partial function of rubber, improve its heat endurance,Mechanical performance and resistance to ag(e)ing, make waterproof roll by SBS modified pitch, and this coiled material has wellResistance to elevated temperatures can be used in the temperature range of-25 DEG C～100 DEG C, has higher elasticity and fatigue durability,And up to 1500% percentage elongation and stronger puncture-resistant ability, tear-resistant ability, be suitable for cold district,And distortion and the larger industry of vibration and the waterproofing work of civil buildings.
Random polypropylene, is called for short APP, is the accessory substance of producing polypropylene (isotactic polypropylene), is thicknessThing, is unformed, micro-adhesive white waxy solid under room temperature, is commonly used for APP (plastic body) modificationThe production of pitch and modified asphalt waterproof coiled material, makes that the high warm nature of pitch articles after modification is superior, applicationScope is wide, utilization rate is high, has improved be full of cracks under pitch articles anti-current ductility and low temperature at high temperatureDefect, has improved circumnutating property, toughness and the cohesive force of pitch articles self.
After modified pitch modification, the hot strength of waterproof roll, percentage elongation and temperature stability are improved,Extend service life. Wherein, described modified pitch by weight, comprises following raw material: 90～95 parts of dropsBlue or green, 1～3 part of SBS, 1～5 part of APP; For example, 90 parts, 91 parts, 92 parts, 93 parts, 94 of pitchesPart, 95 parts; SBS1 part, 1.5 parts, 2 parts, 2.5 parts, 3 parts; APP1 part, 2 parts, 3 parts, 4 parts,5 parts.
Preferably, described modified pitch by weight, comprises following raw material: 95 parts of pitch, 1 part of SBS,4 parts of APP.
Wherein, step 2) in, in described negative pressure device, be provided with air exhauster, take away in device by air exhausterAfter air, form negative pressure, the modified pitch of carcass upper and lower surface is infiltrated in carcass, described in described air exhauster is incited somebody to actionNegative pressure device is pumped into the negative pressure of-0.04～-0.06MPa.
Wherein, step 2) after also comprise that the gas that air exhauster is extracted out carries out exhaust-gas treatment by environmental protecting device,Prevent exhaust emission environment.
Wherein, described carcass spraying coating process completes in airtight space, only has at the import and export of carcassCertain gap, ensures the normal transmission of carcass in the moulding process of whole waterproof roll; First, airtightEnvironment can prevent that dust from falling on the carcass after spraying, and in addition, closed environment can prevent spraying on the one handAfter carcass volatilize pernicious gas after being heated, be convenient on the other hand air exhauster by the extraction of waste gas.
Compared with prior art, beneficial effect of the present invention is: the tire of modified asphalt waterproof coiled material of the present inventionThe spraying coating process of body, is sent to the first spray equipment by the carcass of waterproof roll by roller, described the first sprayShower device is sprayed into modified pitch on a surface of carcass, and the carcass after spraying is sent to the first negative pressure device,Described the first negative pressure device sucks the modified pitch of the upper surface of carcass the inside of carcass by negative pressure; Through sprayCarcass after painting is sent to the second spray equipment through roller, and described the second spray equipment is sprayed into modified pitchAnother surface of carcass, the carcass after spraying is sent to the second negative pressure device, and described the second negative pressure device willAnother surperficial modified pitch of carcass sucks the inside of carcass by negative pressure; This carcass spraying coating process is savedThe consumption of coating, reduced the damage to carcass; When spraying, can control more accurately modified paint dropBlue or green consumption, both can reach the effect that sprays carcass, did not have again unnecessary consumption, had saved material,Make product obtain steady quality; The use of modified pitch, makes hot strength, percentage elongation and the temperature of waterproof rollStability is improved, and extend service life; In addition, due to the extruding not needing through cylinder, whole sprayPainting process carcass becomes without type, and tension force is little, has therefore reduced the damage to carcass.
Brief description of the drawings
Fig. 1 is the structural representation of the carcass dipping process equipment therefor of asphalt water-proof coiled material of the prior art;
Fig. 2 is the structural representation of the spraying coating process equipment therefor of the carcass of modified asphalt waterproof coiled material of the present inventionFigure.
Reference numeral is as follows:
1-carcass; 2-the first roller; 3-soaks coating pond; 4-the second roller; 5-the first cylinder; 6-second tin roller;7-the 3rd roller; 8-the first spray equipment; 9-the first negative pressure device; 10-the 4th roller; 11-the 5th roller;12-the second spray equipment; 13-the second negative pressure device; 14-the 6th roller; 15-the 7th roller.
Detailed description of the invention
Further illustrate technical scheme of the present invention below by detailed description of the invention.
As no specific instructions, various raw materials of the present invention all can commercially availablely be buied, or according to the routine side of this areaMethod prepares.
As shown in Figure 1, in the carcass dipping process of asphalt water-proof coiled material of the prior art, carcass 1 is throughThe transmission of one roller 2 enters soaks in coating pond 3, soaks modified pitch dip-coating in coating pond 3 to carcass 1,Carcass 1 after dip-coating is sent to the first cylinder 5 and second tin roller 6 places, through the first cylinder 5 and second tin roller 6Extruding, modified pitch unnecessary in carcass is extruded.
First configure modified pitch stand-by, wherein modified pitch by weight, comprises following raw material: 90～95 parts of pitches, 1～3 part of SBS, 1～5 part of APP. As shown in Figure 2, modified asphalt waterproof volume of the present inventionThe spraying coating process of the carcass of material, is placed in carcass 1 at the temperature of 180 DEG C and dries, and whole spray equipment is placed inIn airtight space, the carcass 1 after oven dry is entered by carcass import department, is sent to first through the 3rd roller 7Spray equipment 8 places, the first spray equipment 8 places spray the modified pitch configuring, by the upper surface of carcass 1Be coated with modified pitch, the carcass 1 after spray enters in the first negative pressure device 9, the first negative pressure devices 9 to be establishedHave air exhauster, air exhauster will be pumped into negative pressure in the first negative pressure device 9, the modified pitch of the upper surface of carcass 1After negative pressure, be inhaled into the inside of carcass 1, through the transmission of the 4th roller 10 and the 5th roller 11, upper surfaceCarcass 1 after spraying is good is transferred into the second spray equipment 12 places, the second spray equipment 12 places ejection modificationPitch, is coated with modified pitch by the lower surface of carcass 1, and the carcass 1 after spray enters the second negative pressure dressPut the interior air exhauster that is provided with equally of 13, the second negative pressure devices 13, air exhauster will be pumped in the second negative pressure device 13Negative pressure, the modified pitch of the lower surface of carcass 1 is inhaled into the inside of carcass 1 after negative pressure, completes modification dropThe spraying coating process of the carcass of blue or green waterproof roll, after spraying coating process, two surfaces of carcass 1 all scribble modificationPitch, the carcass 1 having sprayed enters next process through the transmission of the 6th roller 14 and the 7th roller 15.It should be noted that, the waste gas of extracting out through air exhauster is discharged after environmental protecting device is processed, and prevents the useless of extractionGas contaminated air.
Carcass spraying coating process of the present invention has been saved the consumption of coating, has reduced the damage to carcass; When sprayingCan control more accurately the consumption of modified paint pitch, both can reach the effect of spraying carcass, again notHave unnecessary consumption, saved material, make product obtain steady quality; The use of modified pitch, makes waterproofHot strength, percentage elongation and the temperature stability of coiled material are improved, and extend service life; In addition, due toDo not need the extruding through cylinder, whole spraying process carcass becomes without type, and tension force is little, has therefore reduced tireThe damage of body.
Applicant's statement, the present invention illustrates detailed process equipment and process of the present invention by above-described embodimentFlow process, but the present invention is not limited to above-mentioned detailed process equipment and process flow process, does not mean that the present inventionMust rely on above-mentioned detailed process equipment and process flow process could implement. Person of ordinary skill in the field shouldThis understands, any improvement in the present invention, the equivalence replacement to the each raw material of product of the present invention and auxiliary elementThe selections of interpolation, concrete mode etc., within all dropping on protection scope of the present invention and open scope.
Claims (8)
1. a spraying coating process for the carcass of modified asphalt waterproof coiled material, is characterized in that, comprises the following steps:
1) carcass of waterproof roll is sent to the first spray equipment by roller, described the first spray equipment willModified pitch is sprayed into a surface of carcass, and the carcass after spraying is sent to the first negative pressure device, and describedOne negative pressure device sucks the modified pitch of the upper surface of carcass the inside of carcass by negative pressure;
2) through step 1) carcass after spraying is sent to the second spray equipment through roller, described the second spray dressPut another surface that modified pitch is sprayed into carcass, the carcass after spraying is sent to the second negative pressure device,Described the second negative pressure device sucks another surperficial modified pitch of carcass the inside of carcass by negative pressure.
2. carcass spraying coating process according to claim 1, is characterized in that, described step 1) beforeAlso comprise carcass drying is installed at 150～200 DEG C of temperature and is dried.
3. carcass spraying coating process according to claim 2, is characterized in that, the temperature of described oven dry is180℃。
4. carcass spraying coating process according to claim 1, is characterized in that, described modified pitch is by heavyAmount part meter, comprises following raw material: 90～95 parts of pitches, 1～3 part of SBS, 1～5 part of APP.
5. carcass spraying coating process according to claim 4, is characterized in that, described modified pitch is by heavyAmount part meter, comprises following raw material: 95 parts of pitches, 1 part of SBS, 4 parts of APP.
6. carcass spraying coating process according to claim 1, is characterized in that step 2) in, described inIn negative pressure device, be provided with air exhauster, described negative pressure device is pumped into the negative of-0.04～-0.06MPa by described air exhausterPress.
7. carcass spraying coating process according to claim 6, is characterized in that step 2) after also compriseThe gas that air exhauster is extracted out carries out exhaust-gas treatment by environmental protecting device.
8. carcass spraying coating process according to claim 1, is characterized in that, described carcass spraying workSkill completes in airtight space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610054878.2A CN105598017B (en) | 2016-01-27 | 2016-01-27 | A kind of spraying process of the carcass of modified asphalt waterproof coiled material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610054878.2A CN105598017B (en) | 2016-01-27 | 2016-01-27 | A kind of spraying process of the carcass of modified asphalt waterproof coiled material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105598017A true CN105598017A (en) | 2016-05-25 |
| CN105598017B CN105598017B (en) | 2018-12-14 |
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| CN201610054878.2A Active CN105598017B (en) | 2016-01-27 | 2016-01-27 | A kind of spraying process of the carcass of modified asphalt waterproof coiled material |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6458423B1 (en) * | 1999-08-03 | 2002-10-01 | David M. Goodson | Sprayable phosphate cementitious coatings and a method and apparatus for the production thereof |
| CN1963619A (en) * | 2006-11-29 | 2007-05-16 | 京东方科技集团股份有限公司 | Apparatus for insufflation shock insulator matter by tropism liquid and preparing method of tropism liquid and chock insulator matter |
| CN105219107A (en) * | 2015-11-11 | 2016-01-06 | 科顺防水科技股份有限公司 | A kind of high temperature resistant sag prevention can spray uncured rubber asphalt waterproof coating and preparation method thereof |
| CN204973424U (en) * | 2015-06-26 | 2016-01-20 | 赵永宾 | Pitch exhaust purification system |
-
2016
- 2016-01-27 CN CN201610054878.2A patent/CN105598017B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6458423B1 (en) * | 1999-08-03 | 2002-10-01 | David M. Goodson | Sprayable phosphate cementitious coatings and a method and apparatus for the production thereof |
| CN1963619A (en) * | 2006-11-29 | 2007-05-16 | 京东方科技集团股份有限公司 | Apparatus for insufflation shock insulator matter by tropism liquid and preparing method of tropism liquid and chock insulator matter |
| CN204973424U (en) * | 2015-06-26 | 2016-01-20 | 赵永宾 | Pitch exhaust purification system |
| CN105219107A (en) * | 2015-11-11 | 2016-01-06 | 科顺防水科技股份有限公司 | A kind of high temperature resistant sag prevention can spray uncured rubber asphalt waterproof coating and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN105598017B (en) | 2018-12-14 |
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