CN102320093A - Preparation process of TPU (Thermoplastic Polyurethanes) clip net cloth by adopting cast coating method - Google Patents
Preparation process of TPU (Thermoplastic Polyurethanes) clip net cloth by adopting cast coating method Download PDFInfo
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- CN102320093A CN102320093A CN201110168711A CN201110168711A CN102320093A CN 102320093 A CN102320093 A CN 102320093A CN 201110168711 A CN201110168711 A CN 201110168711A CN 201110168711 A CN201110168711 A CN 201110168711A CN 102320093 A CN102320093 A CN 102320093A
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Abstract
The invention discloses a preparation process of a TPU (Thermoplastic Polyurethanes) clip net cloth by adopting a cast coating method. In the preparation process, net cloth is positioned above a lining belt and enters the interior of a first extrusion cast coating machine set together with the lining belt; the net cloth and the lining belt are subjected to front-side cast coating through a laminating roll and a cooling and forming roll; then the net cloth is separated from the lining belt through a separation unit and enters the interior of a second extrusion cast coating machine set for back-side cast coating to form the TPU clip net cloth; and the net cloth is simultaneously subjected to sequence coating by using two extrusion cast coating machines and is formed in one step. An adhesion protective tape is arranged between the net cloth and the laminating roll and is a tape body made of silicon rubber, fluor resin and other non-sticky high polymer material coated fabrics. The invention designs the adhesion protective tape. According to the method, fused TPU can be prevented from penetrating through a net cloth and adhering the laminating roll; and a special lining belt storage process is designed to ensure necessary length of the adhesion protective tape and enable the continuous production to be realized. The selected TPU material is in a hydrolysis-resistant polyurethane type, has the hardness of 85A and a function of resisting UV (ultraviolet) and is suitable for offshore oil containment boom and special tarpaulin with higher tearing force.
Description
Technical field
The present invention relates to rubber or plastic coat fabric and make the field, particularly a kind of curtain coating cladding process TPU folder screen cloth preparation technology.
Background technology
TPU is a kind of elastomeric material between rubber and plastics, and can adopting efficiently, plastic processing comes machine-shaping.Because its remarkable tensile property, anti-wear performance, warping strength performance, lower temperature resistance and oil resistivity, be widely used in auto industry and various apparatuses handle and sheath, footwear material bed material and adorn all trades and professions such as material.Special because it has the environment-protecting asepsis performance, can be applicable to the occasion that contacts with food and drinking water.
The PVC material has processes advantages such as efficient, inexpensive, is a kind of macromolecular material of sizable application, is widely used in fields such as building materials, engineering, automobile, film material, coated fabric.Its shortcoming is poor-performings such as temperature tolerance, wearability, and generally has toxicity, can't be applied to the occasion that human safety is had relatively high expectations.
Elastomeric material is a kind of traditional macromolecular material, because the inexpensive and impact of PVC material efficiently, except that the application of special dimension, consumption significantly reduced in recent years.Performance advantages such as comprehensive, the main advantage of elastomeric material does, and is soft, that lower temperature resistance is good, chemical resistance is good, still different types of rubber performance is widely different.The major defect of elastomeric material is embodied in the high and low effect of power consumption of polymer processing, and aspects such as process environmental pollution and product forming process complicacy.
Mostly the folder screen cloth of domestic production at present is PVC folder screen cloth or rubber folder screen cloth, and its manufacturing process is generally used the manufacturing process of PVC folder screen cloth, promptly adopts system film earlier, the two-step process technology that hot repressing is fitted.What a pre-prepd glued membrane is this kind technical disadvantages be to prepare is in advance carried out heat posted and closes, and carries out reverse side system film again, both does like this and loses time, again waste of manpower.
Summary of the invention
The purpose of this invention is to provide a kind of dual coated, one-time formed curtain coating cladding process TPU folder screen cloth preparation technology; It is characterized in that: screen cloth on lining band with lining band together get into first extrude curtain coating coating machine group through laminating roll be cooled to forming roll and carry out positive curtain coating and apply; Separate with lining band through separative element then; Get into second again and extrude curtain coating coating machine group and carry out the reverse side curtain coating and apply to form TPU folder screen cloth, extrude coating machine for two and screen cloth is carried out order apply one-shot forming.Be provided with anti-adhesive tape between screen cloth and the laminating roll.Anti-adhesive tape adopts the not belt body processed of viscosity macromolecular material coated fabric such as silicon rubber and fluororesin.Anti-adhesive tape is a loop configuration, with screen cloth synchronous operation, can reuse when curtain coating applies, and separates with the coated fabric semi-finished product before applying getting into for the second time curtain coating, and then runs to and extrude curtain coating coating machine group and reuse.Be provided with special-purpose S type storage rack, to guarantee the length of anti-adhesive tape.It is 100-120 ℃ of The pre-heat treatment through excess temperature before that screen cloth is extruded curtain coating coating machine group first of entering.Extruding curtain coating coating machine group through the screen cloth of positive curtain coating coating second of entering is 120-180 ℃ of The pre-heat treatment through excess temperature before.Extruding curtain coating coating machine group for two all is furnished with the forming roll of being cooled to the TPU coat is carried out cooling forming.The described forming roll surface that is cooled to can be made for minute surface, also can also can carve specific decorative pattern for mute light face.The described temperature controlling range that is cooled to forming roll is between 30-90 ℃.
Beneficial effect of the present invention is: adopt preparation technology provided by the invention, make to adopt and extrude the curtain coating cladding process and prepare disposable in situ preparation TPU folder screen cloth and be achieved.Because on-the-spot interlock system film can be regulated the system film thickness according to technological requirement according to the on-the-spot flexible system film of width of fabric width, and is more flexible and efficient than hot pressing combination process.Film is that to be in molten condition multiple molded, so the stability of quality such as the compound adhesive force of lamination is compound more guaranteed than hot pressing, has shortened technological process greatly, and is more energy-saving and cost-reducing than hot pressing combination process.The key technical problem that the present invention solves is to have designed not sticking lining band, and this method can prevent that the TPU of molten state from seeing through screen cloth adhering layer pressure roller, has designed special lining band storage process, has guaranteed the necessary length of sticking lining band, makes to produce continuously to be achieved.The TPU material of selecting for use is the polyether-type of hydrolysis, and hardness is 85A, has the function of anti-UV, is applicable to the demanding marine oil fence of the power of tearing and special tarpaulin are used.
Description of drawings
Fig. 1 is a manufacturing process sketch map of the present invention.
The specific embodiment
According to shown in Figure 1, be curtain coating cladding process TPU folder screen cloth preparation technology's of the present invention manufacturing process sketch map.The folder screen cloth places on the lining band, through the preheater preheating, gets between first roller set with lining band after curtain coating coating equipment curtain coating applies through extruding, just laminating roll and be cooled between the forming roll lamination cooling forming.Form the coated fabric semi-finished product; Through separative element the coated fabric semi-finished product are separated with lining band; Lining band gets into first coating unit through storage rack and reuses; The half-finished screen cloth face of coated fabric is extruded curtain coating coating equipment curtain coating through second group and is applied the back and get between second roller set after second group of preheater preheating, and the lamination cooling forming forms and presss from both sides the screen cloth finished product.
Embodiment 1
With 300g/m
2The polyester screen cloth through the preheater preheating, preheat temperature is 130 ℃, applies 300g/m through extruding curtain coating coating equipment curtain coating
2TPU after, form 600g/m through laminating roll and cooling forming roll laminating cooling forming
2The coated fabric semi-finished product; Through separative element the coated fabric semi-finished product are separated with lining band; Lining band gets into first coating unit and reuses after storage rack; The half-finished screen cloth face of coated fabric is through second group of preheater preheating, and preheat temperature is 150 ℃, extrudes curtain coating coating equipment curtain coating through second group and applies 250g/m
2TPU after, through second group of laminating roll and cooling forming roll laminating cooling forming formation gross weight 750g/m
2Folder screen cloth finished product.
Claims (10)
1. a curtain coating cladding process TPU presss from both sides screen cloth preparation technology; It is characterized in that: screen cloth on lining band with lining band together get into first extrude curtain coating coating machine group through laminating roll be cooled to forming roll and carry out positive curtain coating and apply; Separate with lining band through separative element then; Get into second again and extrude curtain coating coating machine group and carry out the reverse side curtain coating and apply to form TPU folder screen cloth, extrude coating machine for two and screen cloth is carried out order apply one-shot forming.
2. a kind of curtain coating cladding process TPU folder screen cloth preparation technology according to claim 1 is characterized in that: be provided with anti-adhesive tape between screen cloth and the laminating roll.
3. anti-adhesive tape according to claim 2 is characterized in that: anti-adhesive tape adopts the not belt body processed of viscosity macromolecular material coated fabric such as silicon rubber and fluororesin.
4. anti-adhesive tape according to claim 2; It is characterized in that: anti-adhesive tape is a loop configuration; When curtain coating applies and screen cloth synchronous operation; Can reuse, separate with the coated fabric semi-finished product before applying getting into for the second time curtain coating, and then run to and extrude the recycling of curtain coating coating machine group.
5. anti-adhesive tape according to claim 2 is characterized in that: be provided with special-purpose S type storage rack, to guarantee the length of anti-adhesive tape.
6. a kind of curtain coating cladding process TPU folder screen cloth preparation technology according to claim 1, it is characterized in that: it is 100-120 ℃ of The pre-heat treatment through excess temperature before that screen cloth is extruded curtain coating coating machine group first of entering.
7. a kind of curtain coating cladding process TPU folder screen cloth preparation technology according to claim 1, it is characterized in that: extruding curtain coating coating machine group through the screen cloth of positive curtain coating coating second of entering is 120-180 ℃ of The pre-heat treatment through excess temperature before.
8. a kind of curtain coating cladding process TPU folder screen cloth preparation technology according to claim 1 is characterized in that: extrude curtain coating coating machine group for two and all be furnished with the forming roll of being cooled to the TPU coat is carried out cooling forming.
9. the forming roll that is cooled to according to claim 8 is characterized in that: the described forming roll surface that is cooled to can be made for minute surface, also can also can carve specific decorative pattern for mute light face.
10. the forming roll that is cooled to according to claim 8 is characterized in that: the described temperature controlling range that is cooled to forming roll is between 30-90 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110168711A CN102320093A (en) | 2011-06-22 | 2011-06-22 | Preparation process of TPU (Thermoplastic Polyurethanes) clip net cloth by adopting cast coating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110168711A CN102320093A (en) | 2011-06-22 | 2011-06-22 | Preparation process of TPU (Thermoplastic Polyurethanes) clip net cloth by adopting cast coating method |
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| Publication Number | Publication Date |
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| CN102320093A true CN102320093A (en) | 2012-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110168711A Pending CN102320093A (en) | 2011-06-22 | 2011-06-22 | Preparation process of TPU (Thermoplastic Polyurethanes) clip net cloth by adopting cast coating method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104530684A (en) * | 2014-12-31 | 2015-04-22 | 青岛德融新材料科技有限公司 | TPU composite material, TPU composite laminated fabric and preparing method of TPU composite laminated fabric |
| CN105274862A (en) * | 2015-09-11 | 2016-01-27 | 中纺新材料科技有限公司 | TPU composite fabric surface appearance improvement method |
| CN106149398A (en) * | 2016-07-19 | 2016-11-23 | 中纺新材料科技有限公司 | A kind of preparation method of environment-friendly type arc protection raincoat |
| CN107584846A (en) * | 2017-08-07 | 2018-01-16 | 安徽嘉明新材料科技有限公司 | A kind of technique of Double-face adhesive symphysis production novel environment friendly TPU tarpaulins |
| CN108909148A (en) * | 2018-07-20 | 2018-11-30 | 福建思嘉环保材料科技有限公司 | A kind of preparation method of wear-resisting folder screen cloth |
| CN108909147A (en) * | 2018-07-20 | 2018-11-30 | 福建思嘉环保材料科技有限公司 | A kind of preparation process of economical abrasive folder screen cloth |
| CN109049941A (en) * | 2018-07-20 | 2018-12-21 | 福建思嘉环保材料科技有限公司 | A kind of preparation process of TPU wear-resisting type space cloth |
| CN109968574A (en) * | 2019-05-16 | 2019-07-05 | 江苏科润膜材料有限公司 | Produce the steel band casting device and its film-forming method of enhanced perfluorinated ion-exchange membrane |
| CN111531833A (en) * | 2020-04-16 | 2020-08-14 | 东莞市雄林新材料科技股份有限公司 | Production equipment for multilayer TPU composite material |
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| CN101225610A (en) * | 2008-01-29 | 2008-07-23 | 福建思嘉环保材料科技有限公司 | TPU clad net |
| CN101748611A (en) * | 2009-12-24 | 2010-06-23 | 何建雄 | TPU fabric and preparation method thereof |
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- 2011-06-22 CN CN201110168711A patent/CN102320093A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101225610A (en) * | 2008-01-29 | 2008-07-23 | 福建思嘉环保材料科技有限公司 | TPU clad net |
| CN101748611A (en) * | 2009-12-24 | 2010-06-23 | 何建雄 | TPU fabric and preparation method thereof |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104530684A (en) * | 2014-12-31 | 2015-04-22 | 青岛德融新材料科技有限公司 | TPU composite material, TPU composite laminated fabric and preparing method of TPU composite laminated fabric |
| CN104530684B (en) * | 2014-12-31 | 2018-03-16 | 青岛德融新材料科技有限公司 | A kind of compound folder screen cloth of TPU composites and TPU types and preparation method thereof |
| CN105274862A (en) * | 2015-09-11 | 2016-01-27 | 中纺新材料科技有限公司 | TPU composite fabric surface appearance improvement method |
| CN106149398A (en) * | 2016-07-19 | 2016-11-23 | 中纺新材料科技有限公司 | A kind of preparation method of environment-friendly type arc protection raincoat |
| CN107584846A (en) * | 2017-08-07 | 2018-01-16 | 安徽嘉明新材料科技有限公司 | A kind of technique of Double-face adhesive symphysis production novel environment friendly TPU tarpaulins |
| CN108909147A (en) * | 2018-07-20 | 2018-11-30 | 福建思嘉环保材料科技有限公司 | A kind of preparation process of economical abrasive folder screen cloth |
| CN108909148A (en) * | 2018-07-20 | 2018-11-30 | 福建思嘉环保材料科技有限公司 | A kind of preparation method of wear-resisting folder screen cloth |
| CN109049941A (en) * | 2018-07-20 | 2018-12-21 | 福建思嘉环保材料科技有限公司 | A kind of preparation process of TPU wear-resisting type space cloth |
| CN108909148B (en) * | 2018-07-20 | 2021-04-30 | 福建思嘉环保材料科技有限公司 | Preparation method of composite material containing wire-drawing mesh cloth and reinforcing sheet |
| CN109049941B (en) * | 2018-07-20 | 2021-05-11 | 福建思嘉环保材料科技有限公司 | Preparation process of TPU wear-resistant space cloth |
| CN109968574A (en) * | 2019-05-16 | 2019-07-05 | 江苏科润膜材料有限公司 | Produce the steel band casting device and its film-forming method of enhanced perfluorinated ion-exchange membrane |
| CN109968574B (en) * | 2019-05-16 | 2024-02-06 | 江苏科润膜材料有限公司 | Steel belt casting device for producing enhanced perfluorinated ion exchange membrane and membrane manufacturing method thereof |
| CN111531833A (en) * | 2020-04-16 | 2020-08-14 | 东莞市雄林新材料科技股份有限公司 | Production equipment for multilayer TPU composite material |
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Application publication date: 20120118 |