CN104060430A - Coating method of polyester taffeta shading mirror color adhesive tape - Google Patents

Coating method of polyester taffeta shading mirror color adhesive tape Download PDF

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Publication number
CN104060430A
CN104060430A CN201410234176.3A CN201410234176A CN104060430A CN 104060430 A CN104060430 A CN 104060430A CN 201410234176 A CN201410234176 A CN 201410234176A CN 104060430 A CN104060430 A CN 104060430A
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coating
glue
complexion
machine
adhesive plaster
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CN201410234176.3A
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CN104060430B (en
Inventor
许尔明
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Zhejiang Shengshan Textile Co Ltd
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Zhejiang Shengshan Textile Co Ltd
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Abstract

The invention relates to a coating method of cloth, in particular to a coating method of a polyester taffeta shading mirror color adhesive tape, and mainly aims to solve the problems in the prior art that as polyester taffeta colored plastic products mainly adopt polyacrylate glue as the coating material, the colored plastic manufactured from the material is relatively dim in color, the shading effect is insufficient, and the firmness and brightness cannot meet the requirements of people. The coating method sequentially comprises the steps of calenderingand four coating processes, wherein the calendering make the formed black cloth uniform, even and bright. The coating method, provided by the invention, can produce shading mirror color adhesive tape which is good in shading effect, has even, smooth and bright coating surface, is uniform in adhesive surface luster, and is beautiful and elegant.

Description

The coating process of polyester pongee shading mirror complexion adhesive plaster
Technical field
The present invention relates to a kind of coating process of cloth, especially relate to a kind of coating process of polyester pongee shading mirror complexion adhesive plaster.
Background technology
In current umbrella cloth market, main former cloth is woven dacron, only a few have nylon cloth and a cotton, and woven dacron the mainly contains kind such as polyester pongee, spring Asia spin, OXFORD, Se Dingbu.And polyester pongee grey cloth is inexpensive because of it, quality is frivolous, is widely used in the umbrella cloth of all kinds of different class, and its output accounts for the more than 80% of the total consumption of umbrella cloth.
Along with growth in the living standard, outside the umbrella cloth of conventional polyacrylate (PA) coating of producing with polyester pongee, people have proposed the requirement of more high-grade umbrella cloth, and umbrella is keeped out wind and rain except routine, outside sun-proof, more want tool practicality, fashion attractive in appearance in one.Black matrix coloring agent series products is a kind of expensive goods wherein.In present polyester pongee coloring agent series products, mainly, using polyacrylate (PA) glue as coating material, this manufacture of materials coloring agent color is out partially dark at home, and shaded effect is inadequate, and fastness and brightness all also do not reach people's demand.
Summary of the invention
The present invention is to provide a kind of coating process of polyester pongee shading mirror complexion adhesive plaster, it is mainly to solve the existing polyester pongee coloring agent of prior art series products mainly using polyacrylic acid ester gum as coating material, this manufacture of materials coloring agent color is out partially dark, shaded effect is inadequate, and fastness and brightness all also do not reach the technical problem of demand of people etc.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals:
The coating process of a kind of polyester pongee shading mirror complexion adhesive plaster of the present invention, described method comprises:
A. will wash a black cloth yardage roll through calender calendering, calendering speed 35-45m/min, pressure 75-85 kilogram, temperature 150-170 DEG C through dyeing, oven dry, stereotyped semi-finished product;
B. by the good yardage roll of process calendering, through open width coating machine coating first, the mass percent of coating glue used is: the PA flexible glue AR-35C:58-62% of solid content 25-35%, PA black color paste: 23-27%, PA bridging agent: 1.5-2.5%, antiplastering aid: 0.1-0.3%, toluene: 12-13%.The cutter type of 1.0R for coating first, coating three saves oven temperature and is set as 140 DEG C, and 160 DEG C, 160 DEG C, painting interval velocity is 45-55m/min, and upper machine viscosity is 12000CPS, and glue consumption is 35g/m;
C. the yardage roll through first coating is coated with to second through pin pincers formula coating machine, the mass percent of coating glue used is: the PA glue DL-216X glue 44-48% of solid content 14-18%, toluene 38-42%, PA bridging agent 1.5-2.5%, aluminum paste 10-14%.The cutter type of 0.5R for coating, coating three saves oven temperature and is set as 140 DEG C, and 160 DEG C, 160 DEG C, painting interval velocity is 55-65m/min, and upper machine viscosity is 2000CPS, and glue consumption is 24g/m;
D. by the yardage roll through second coating through pin pincers formula coating machine Tu tri-roads, the mass percent of coating glue used is: PU glue DS3063 glue: 53-57%; DMF solvent: 28-32%; PU bridging agent DH-55M:1.5-2.5%; Color pearl powder: 10-14%, the cutter type of 1.0R for coating, coating three saves oven temperature and is set as 140 DEG C, and 160 DEG C, 160 DEG C, painting interval velocity is 35-45m/min, and upper machine viscosity is 5000CPS, and glue consumption is 40g/m.
E. by the yardage roll through San road coating through pin pincers formula coating machine Tu tetra-roads, the mass percent of coating glue used is: PU glue DS3063 glue: 53-57%; DMF solvent: 28-32%; PU bridging agent DH-55M:1.5-2.5%; Color pearl powder: 10-14%, slipping agent T-1000:0.5-1.5%, the cutter type of 1.0R for coating, it is 140 DEG C that coating three saves oven temperature, 160 DEG C, and 160 DEG C, painting interval velocity is 35-45m/min, upper machine viscosity is 5000CPS, and glue consumption is 40g/m, finally goes out finished product polyester pongee shading mirror complexion adhesive plaster.
Calendering operation is in order to make coat side more smooth, and strengthens the brightness of coat side; The interaction energy of coating first ensures that product has good shaded effect; The elargol of coating second can completely cut off the impact of primer black on coloring agent face, makes coloring agent face bright-colored, light;
Coating San road, the high-load PU glue that Si road uses makes final product have good fastness and light sense, and glue face is smooth, smooth, elegant in appearance.The physical property that these are excellent, makes its fabric become at present one of the most high-grade umbrella cover cloth.
The coating glue composition used of Dui Ge of the present invention road coating is selected and concrete quality proportioning has innovation, and the general cated composition of technique institute is all the same, just applies multipass.And the coating of the every one deck of the present invention has different objects and effect.
Utilizing polyester pongee polyurethane (PU) the shading mirror complexion adhesive plaster one side that coating process of the present invention obtains is dyeing black, the glue face colour that another side is coating, and this PU shading mirror complexion adhesive plaster good shading effect, coat side is smooth smooth, and brightness is high, and Jiao Mianseze is even.
As preferably, the yardage roll through calendering in described step b is first bent into zigzag, makes it produce many ribs, then carries out coating first at open width coating machine, after coating first, again yardage roll is drawn into flat.First yardage roll is bent into zigzag, then while carrying out coating, coating can be in the thickening of fin place, thereby meets umbrella cloth in the time wearing umbrella frame, and because fin is just in time positioned at umbrella frame place, therefore its thickness is thicker, not easy to wear.
As preferably, described polyester pongee openpore number is not less than 165 polyester pongee grey cloths, and wherein organizine is 24F/FDY, and tram is 24F/FDY.Color is better like this.
As preferably, described semi-finished product cloth refers to through barotor dyeing, then passes through drying machine drying, and what setting machine sizing waterproof were good washs a black cloth.
As preferably, described coating prepares and stirs 15-20 minute joining glue room with glue half an hour before upper coating machine in proportion.
As preferably, described tri-road Yu tetra-road glue used are the DS-3063 PU glue of solid content 60%.
As preferably, the particle diameter range of choice value of described color pearl powder is 10-60um.
Therefore, the present invention utilizes calendering and multi-layer coating operation, make black cloth cloth cover after sizing evenly, smooth, the light microscopic complexion adhesive plaster good shading effect of producing, coat side is smooth smooth, brightness is high, Jiao Mianseze is even, smooth, elegant in appearance.
Detailed description of the invention
Below by embodiment, technical scheme of the present invention is described in further detail.
Embodiment: the coating process of this routine polyester pongee shading mirror complexion adhesive plaster, what adopt is a kind of polyester pongee cloth, polyester pongee is wherein that 190T(organizine is 58D, 24F/FDY, tram is 61D, 24F/FDY, openpore number is 175) polyester pongee grey cloth, openpore is weaved evenly, without obvious reed road, and dark line.Its coating step is:
A. will pass through calender calendering, calendering speed 40m/min, 80 kilograms of pressure, 160 DEG C of temperature through dyeing, oven dry, stereotyped semi-finished product yardage roll.Yardage roll enters calender and wants smooth nothing wrinkle, guarantees that calendering is even, and cloth cover light is smooth, and the breach and the open test pit that produce for front road are sewed it up with overlock machine in the time of calendering, the defective product quantity producing while reducing coating;
B. by the good yardage roll of process calendering, through open width coating machine coating first, coating glue used is the PA flexible glue AR-35C:60kg of solid content 30%, PA black color paste: 25 kg, PA bridging agent: 2 kg, antiplastering aid: 0.2 kg, toluene: 13 kg, are deployed into 100 kilograms of glues.The cutter type of 1.0R for coating first, coating three saves oven temperature and is set as 140 DEG C, and 160 DEG C, 160 DEG C, painting interval velocity is 50m/min, and upper machine viscosity is 12000CPS, and glue consumption is 35g/m;
C. the yardage roll through first coating is coated with to second through pin pincers formula coating machine, coating glue used is the PA glue DL-216X glue 46kg with solid content 16%, toluene 40 kg, PA bridging agent 2 kg, aluminum paste 210N:12 kg, be deployed into 100 kilograms of glues, the cutter type of 0.5R for coating, coating three saves oven temperature and is set as 140 DEG C, 160 DEG C, 160 DEG C, coating speed
Degree is 60m/min, and upper machine viscosity is 2000CPS, and glue consumption is 24g/m;
D. by the yardage roll through second coating through pin pincers formula coating machine Tu tri-roads, coating glue used is the PU glue DS3063 glue with solid content 60%: 55 kg; DMF solvent: 30 kg; PU bridging agent DH-55M:2 kg; Color pearl powder: 12 kg, are deployed into 100 kilograms of glues.The cutter type of 1.0R for coating, coating three saves oven temperature and is set as 140 DEG C, and 160 DEG C, 160 DEG C, painting interval velocity is 40m/min, and upper machine viscosity is 4500CPS, and glue consumption is 40g/m;
E. by the yardage roll through San road coating through pin pincers formula coating machine Tu tetra-roads, coating glue used is the PU glue DS3063 glue with solid content 60%: 55 kg; DMF solvent: 30 kg; PU bridging agent DH-55M:2 kg; Color pearl powder: 12 kg, slipping agent T-1000:1 kg, is deployed into 100 kilograms of glues.The cutter type of 1.0R for coating, coating three saves oven temperature and is set as 140 DEG C, and 160 DEG C, 160 DEG C, painting interval velocity is 40m/min, and upper machine viscosity is 4500CPS, and glue consumption is 40g/m, finally goes out finished product polyester pongee shading mirror complexion adhesive plaster.
Coating prepares and stirs 15-20 minute joining glue room with glue half an hour before upper coating machine in proportion.80 object screen filtrations for each road glue, having prevented single-size impurity.The package that coating is good, delivers to rear road and becomes the clot of inspection operation, inspection packaging.
In addition be also noted that following some:
Board is produced need carry out board health, and it is large that PU glue is produced static, prevents that pickup and granule foreign from entering glue from cloth cover and causing tree lace tie rod.
While joining glue, the particle diameter of pearl essence is selected 10-60um, and simultaneously pearl essence weighs up in advance and soaks with DMF, prevents from being difficult for beating while playing glue.After the PU glue that face is coated with configures, leave standstill de-bubble half an hour.
The consumption of the wear-resisting slipping agent T-1000 in Si road should not exceed 1%, otherwise cloth cover is crossed cunning and can be caused into inspection package pine and umbrella factory fabric dividing difficulty.
The glue consumption size in Yu tetra-roads, San road is very big on the impact of color, and by the reasonable adjusting edge of a knife, to control glue consumption well, Si road samples and checks color in time after starting to produce simultaneously, makes in time corresponding adjustment.
PU glue is compared with PA glue, and the knife back easily produces micelle situation, notes checking the knife back situation when production, can be by process to reduce the quantity of defective product to cloth and the bracing wire of cloth joint.
The foregoing is only specific embodiments of the invention, but architectural feature of the present invention is not limited to this, any those skilled in the art is in the field of the invention, and the variation of doing or modification are all encompassed among the scope of the claims of the present invention.

Claims (7)

1. a coating process for polyester pongee shading mirror complexion adhesive plaster, is characterized in that described method comprises:
A. will wash a black cloth yardage roll through calender calendering, calendering speed 35-45m/min, pressure 75-85 kilogram, temperature 150-170 DEG C through dyeing, oven dry, stereotyped semi-finished product;
B. by the good yardage roll of process calendering, through open width coating machine coating first, the mass percent of coating glue used is: the PA flexible glue AR-35C:58-62% of solid content 25-35%, PA black color paste: 23-27%, PA bridging agent: 1.5-2.5%, antiplastering aid: 0.1-0.3%, toluene: 12-13%; The cutter type of 1.0R for coating first, coating three saves oven temperature and is set as 140 DEG C, and 160 DEG C, 160 DEG C, painting interval velocity is 45-55m/min, and upper machine viscosity is 12000CPS, and glue consumption is 35g/m;
C. the yardage roll through first coating is coated with to second through pin pincers formula coating machine, the mass percent of coating glue used is: the PA glue DL-216X glue 44-48% of solid content 14-18%, toluene 38-42%, PA bridging agent 1.5-2.5%, aluminum paste 10-14%; The cutter type of 0.5R for coating, coating three saves oven temperature and is set as 140 DEG C, and 160 DEG C, 160 DEG C, painting interval velocity is 55-65m/min, and upper machine viscosity is 2000CPS, and glue consumption is 24g/m;
D. by the yardage roll through second coating through pin pincers formula coating machine Tu tri-roads, the mass percent of coating glue used is: PU glue DS3063 glue: 53-57%; DMF solvent: 28-32%; PU bridging agent DH-55M:1.5-2.5%; Color pearl powder: 10-14%, the cutter type of 1.0R for coating, coating three saves oven temperature and is set as 140 DEG C, and 160 DEG C, 160 DEG C, painting interval velocity is 35-45m/min, and upper machine viscosity is 5000CPS, and glue consumption is 40g/m;
E. by the yardage roll through San road coating through pin pincers formula coating machine Tu tetra-roads, the mass percent of coating glue used is: PU glue DS3063 glue: 53-57%; DMF solvent: 28-32%; PU bridging agent DH-55M:1.5-2.5%; Color pearl powder: 10-14%, slipping agent T-1000:0.5-1.5%, the cutter type of 1.0R for coating, it is 140 DEG C that coating three saves oven temperature, 160 DEG C, and 160 DEG C, painting interval velocity is 35-45m/min, upper machine viscosity is 5000CPS, and glue consumption is 40g/m, finally goes out finished product polyester pongee shading mirror complexion adhesive plaster.
2. the coating process of polyester pongee shading mirror complexion adhesive plaster according to claim 1, it is characterized in that in described step b, the yardage roll through calendering is first bent into zigzag, make it produce many ribs, carry out coating first at open width coating machine again, after coating first, again yardage roll is drawn into flat.
3. the coating process of polyester pongee shading mirror complexion adhesive plaster according to claim 1, is characterized in that described polyester pongee openpore number is not less than 165 polyester pongee grey cloths, and wherein organizine is 24F/FDY, and tram is 24F/FDY.
4. the coating process of polyester pongee shading mirror complexion adhesive plaster according to claim 1, is characterized in that described semi-finished product cloth refers to through barotor dyeing, then passes through drying machine drying, what setting machine sizing waterproof were good washs a black cloth.
5. the coating process of polyester pongee shading mirror complexion adhesive plaster according to claim 1, is characterized in that described coating glue prepares and stir 15-20 minute in proportion joining glue room half an hour before upper coating machine.
6. the coating process of polyester pongee shading mirror complexion adhesive plaster according to claim 1, is characterized in that described tri-road Yu tetra-road glue used are the DS-3063 PU glue of solid content 60%.
7. the coating process of polyester pongee shading mirror complexion adhesive plaster according to claim 1, is characterized in that the particle diameter range of choice value of described color pearl powder is 10-60um.
CN201410234176.3A 2014-05-30 2014-05-30 The coating process of polyester pongee shading mirror complexion adhesive plaster Active CN104060430B (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105040230A (en) * 2015-02-13 2015-11-11 张朝龙 Novel terylene acetic acid single/double-face hand-tearing printing mark band and making method thereof
CN105251218A (en) * 2015-10-15 2016-01-20 浙江圣山科纺有限公司 Glitter-based stage shining cloth and coating method thereof
CN105821675A (en) * 2016-04-13 2016-08-03 浙江圣山科纺有限公司 Method for coating gold dust adhesive full-shading umbrella surface fabric
CN105820664A (en) * 2016-04-13 2016-08-03 浙江圣山科纺有限公司 Application of bright and white aluminum paste on umbrella fabric
CN110158327A (en) * 2019-06-06 2019-08-23 康帝雅高档面料(苏州)有限公司 Mirror effect multifunctional fabric, manufacturing process and its fabric
CN111101387A (en) * 2018-10-28 2020-05-05 吴江福华织造有限公司 Preparation method of far infrared health-care anti-ultraviolet textile fabric
CN112281278A (en) * 2020-10-15 2021-01-29 绍兴三立达纺织阻燃新材料有限公司 Flame-retardant polyester rolling curtain fabric and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101608404A (en) * 2009-06-15 2009-12-23 日信纺织有限公司 The preparation technology of coated fabric with glaring and charming visual effect
CN102505486A (en) * 2011-10-22 2012-06-20 蔡艺萍 Production process of mirror plastic super-light umbrella fabric
CN102776782A (en) * 2012-07-11 2012-11-14 杭州天堂伞业集团有限公司 Multifunctional color-focus fabric for umbrella and coating method thereof
CN103046340A (en) * 2012-12-25 2013-04-17 浙江蓝星控股集团有限公司 Coating process for waterproof and anti-ultraviolet fabric
CN203073229U (en) * 2012-12-18 2013-07-24 浙江圣山科纺有限公司 Quick-drying type umbrella cloth

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101608404A (en) * 2009-06-15 2009-12-23 日信纺织有限公司 The preparation technology of coated fabric with glaring and charming visual effect
CN102505486A (en) * 2011-10-22 2012-06-20 蔡艺萍 Production process of mirror plastic super-light umbrella fabric
CN102776782A (en) * 2012-07-11 2012-11-14 杭州天堂伞业集团有限公司 Multifunctional color-focus fabric for umbrella and coating method thereof
CN203073229U (en) * 2012-12-18 2013-07-24 浙江圣山科纺有限公司 Quick-drying type umbrella cloth
CN103046340A (en) * 2012-12-25 2013-04-17 浙江蓝星控股集团有限公司 Coating process for waterproof and anti-ultraviolet fabric

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105040230A (en) * 2015-02-13 2015-11-11 张朝龙 Novel terylene acetic acid single/double-face hand-tearing printing mark band and making method thereof
CN105251218A (en) * 2015-10-15 2016-01-20 浙江圣山科纺有限公司 Glitter-based stage shining cloth and coating method thereof
CN105251218B (en) * 2015-10-15 2017-10-10 浙江圣山科纺有限公司 Stage flash cloth and its coating process based on glitter powder
CN105821675A (en) * 2016-04-13 2016-08-03 浙江圣山科纺有限公司 Method for coating gold dust adhesive full-shading umbrella surface fabric
CN105820664A (en) * 2016-04-13 2016-08-03 浙江圣山科纺有限公司 Application of bright and white aluminum paste on umbrella fabric
CN105820664B (en) * 2016-04-13 2018-11-02 浙江圣山科纺有限公司 A kind of application of brilliant white aluminum paste on umbrella cloth
CN111101387A (en) * 2018-10-28 2020-05-05 吴江福华织造有限公司 Preparation method of far infrared health-care anti-ultraviolet textile fabric
CN110158327A (en) * 2019-06-06 2019-08-23 康帝雅高档面料(苏州)有限公司 Mirror effect multifunctional fabric, manufacturing process and its fabric
CN112281278A (en) * 2020-10-15 2021-01-29 绍兴三立达纺织阻燃新材料有限公司 Flame-retardant polyester rolling curtain fabric and preparation method thereof

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