CN103878102B - The direct glue spreading method of a kind of PU film - Google Patents
The direct glue spreading method of a kind of PU film Download PDFInfo
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- CN103878102B CN103878102B CN201410151679.4A CN201410151679A CN103878102B CN 103878102 B CN103878102 B CN 103878102B CN 201410151679 A CN201410151679 A CN 201410151679A CN 103878102 B CN103878102 B CN 103878102B
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Abstract
The invention discloses the direct glue spreading method of a kind of PU film, first pass through in PU film face to attach PET film to pressure rubber rollers, the PU film attaching upper PET film is sent into the another side gluing of gluing rubber rollers at PU film by a conveyer belt, then the PU film after gluing is sent into the solid glue of baking oven by conveyer belt, Gu the PU film after glue from baking oven out a rear PET film wind-up roll PET film that be attached to PU film is peeled off, then the PU film with gluing is rolled by a rolling cylinder.Instant invention overcomes the deficiency that PU film adhesivity that existing explained hereafter goes out is too low; owing to being compounded with one deck tension diaphragm in bottom surface when direct gluing; make PU film while direct gluing; also avoid the scuffing that the direct gluing of PU film occurs and the problem easily stretched, ensure that uniformity and the tack of PU film surface coating.
Description
Technical field
The present invention relates to film gluing, particularly the direct glue spreading method of a kind of PU film, by attaching PET film in PU film face, and then to the direct gluing in another face of PU film, improve the viscose properties of PU film.
Background technology
PU material normal temperature surface can be low, and tension can be elongated, after raised temperature, softer, close to melt flow state, cannot be able to be coated with.PU film tension, be heated and can extend, deliquescing, under normal temperature, the surface energy of PU film is very low, very low with most of adhesive bond power, so traditional direct coating process cannot be used on PU film gluing, current PU coating technique realizes glue to be coated in release liners, after oven for drying again with PU film compound, transferred to by glue on PU film, the shortcoming of this technique is: because PU material surface energy is very low, cause it can not compound good with glue, make adhesivity too low, and this technique is both complicated, production efficiency is not high yet.
Summary of the invention
The object of the invention is to provide a kind of PU film direct glue spreading method, by attaching PET film in PU film face before gluing, and then to the direct gluing in another face of PU film, improves the viscose properties of PU film.
To achieve these goals, the solution of the present invention is: the direct glue spreading method of a kind of PU film, passive for one support membrane is attached to PU film below by upside rubber rollers and downside rubber rollers to overlaying from PU film, wherein downside rubber rollers is a hot-rolling, the PU film attaching upper support membrane is sent into gluing rubber rollers gluing on PU film by a conveyer belt, then the PU film after gluing is sent into the solid glue of baking oven by conveyer belt, Gu the PU film after glue from baking oven out, the support membrane be attached to below PU film is peeled off by a support membrane wind-up roll, then the PU film with gluing is rolled by a wind-up roll.
Scheme is further: described support membrane is PET film.
Scheme is further: described method further: described PU film after gluing rubber rollers gluing, then enters the solid glue of baking oven after an even glue process.
Scheme is further: described even glue process be PU film after gluing rubber rollers again through a rubber flap, realize the control to PU film surface coating thickness and the uniformity by the distance controlling rubber flap and PU film surface.
Scheme is further: described even glue process be PU film after gluing rubber rollers again through a soft brush plate, realize the control to PU film surface coating thickness and the uniformity by the pressure controlling soft brush plate hairbrush and PU film surface contact.
Scheme is further: the temperature of described hot-rolling controls at 60 degrees Celsius to 110 degrees Celsius, and the solid glue temperature of described baking oven controls at 80 degrees Celsius to 110 degrees Celsius.
Scheme is further: the temperature of described hot-rolling controls at 80 degrees Celsius to 90 degrees Celsius, and the solid glue temperature of described baking oven controls at 90 degrees Celsius to 100 degrees Celsius.
The invention has the beneficial effects as follows: overcome the deficiency that PU film adhesivity that existing explained hereafter goes out is too low; owing to being compounded with one deck tension diaphragm in bottom surface when direct gluing; make PU film while direct gluing; also avoid the scuffing that the direct gluing of PU film occurs and the problem easily stretched; ensure that uniformity and the tack of PU film surface coating, improve the viscose properties of PU film.
Below in conjunction with drawings and Examples, the present invention is described in detail.
Accompanying drawing explanation
Fig. 1 is present invention process schematic flow sheet;
Fig. 2 is the process flow diagram of the present invention with even glue process.
Detailed description of the invention
PU is the abbreviation of Polyurethane, and Chinese polyurethanes by name is called for short polyurethane, and PU is polyurethane, PU film is polyurethane film, be a kind of nontoxic environment-friendly materials, to human body skin without any injury, and be widely used in the fields such as garment material, health care, leather.PU material normal temperature surface can be low, and tension can be elongated, after raised temperature, softer, close to melt flow state, cannot be able to be coated with.PU film tension, is heated and can extends, deliquescing, and under normal temperature, the surface energy of PU film is very low, very low with most of adhesive bond power, so traditional direct coating process cannot use.
The direct glue spreading method of a kind of PU film, as shown in Figure 1, PU film is rolled up 1 one support membranes volumes 2 and is put film by deflector roll 3, support membrane is attached to PU film below by upside rubber rollers 4 and downside rubber rollers 5 to overlaying from PU film, wherein downside rubber rollers 5 is hot-rollings, the PU film attaching upper support membrane is sent into gluing rubber rollers 7 gluing on PU film by a conveyer belt 6, gluing rubber rollers 7 is arranged on the lower end that is deposited glue tank 8, then the PU film after gluing is sent into the solid glue of baking oven 9 by conveyer belt, Gu the PU film after glue from baking oven out, the support membrane be attached to below PU film is peeled off by a support membrane wind-up roll 10, then the PU film with gluing is rolled by a wind-up roll 11.
In embodiment: described support membrane can use the film of plurality of specifications model, and the present embodiment uses PET film, PET film has another name called high temperature resistance polyester film.It has excellent physical property, chemical property and dimensional stability, the transparency, recuperability.
In embodiment: described method further: described PU film after gluing rubber rollers gluing, then enters the solid glue of baking oven after an even glue process.
In embodiment: as shown in Figure 2, described even glue process be PU film after gluing rubber rollers again through a rubber flap 12, realize the control to PU film surface coating thickness and the uniformity by the distance controlling rubber flap and PU film surface.
In embodiment: described even glue process be PU film after gluing rubber rollers again through a soft brush plate, realize the control to PU film surface coating thickness and the uniformity by the pressure controlling soft brush plate hairbrush and PU film surface contact.
In embodiment: the temperature of described hot-rolling controls at 60 degrees Celsius to 110 degrees Celsius, the solid glue temperature of described baking oven controls at 80 degrees Celsius to 110 degrees Celsius.
In embodiment: the temperature of described hot-rolling controls 80 degrees Celsius to 90 degrees Celsius in the best, the solid glue temperature of described baking oven controls 90 degrees Celsius to 100 degrees Celsius in the best.
In embodiment, key adopts PET as substrate and PU film 60 ~ 110 DEG C of compounds, PU deliquescing at 60 ~ 110 DEG C of temperature, and material surface energy increase, has certain adhesive power, be firmly bonded together through compound and PET film.Second step carries out direct coated glue layer to there being the PU film of PET substrate, coating needs to be warmed to uniform temperature 80 ~ 110 DEG C, PU film surface is softening at this temperature, molecular thermalmotion aggravates, and surface energy improves, and can be combined very well with glue-line, because there is PET substrate, can not be there is the obvious change of physical property in PET, have very high tensile ability, can not be out of shape and extend between 80 ~ 110 DEG C.Have PET as backing material, PU film can not be out of shape, and combines very well at this temperature with glue-line.Complete in coating, under normal temperature, this PET film is easy to and PU UF membrane, can not damage PU film.PU film at high temperature surface-active improves, and the glue of directly coating well bonds, then is cooled to normal temperature also can preserve good combination with glue.
The present embodiment solves PU film and directly cannot be coated with and easily peel off with glue-line, the problem that adhesive strength is low, the employing PET of innovation, as mould release membrance and backing material, utilizes cohesive under the high temperature of PU itself, the ingenious PU normal temperature surface that solves can be low, the problem low with glue-line bond strength.
The effect of baking oven makes PU film temperature bring up to 60 ~ 110 DEG C, and at this temperature, PU surface energy increases, and well bonds with PET film or glue-line, and the effect of roller gives material and the certain pressure of glue-line, controls flatness and the thickness of glue-line.
Claims (5)
1. the direct glue spreading method of PU film, it is characterized in that, passive for one support membrane is attached to PU film below by upside rubber rollers and downside rubber rollers to overlaying from PU film, wherein downside rubber rollers is a hot-rolling, the PU film attaching upper support membrane is sent into gluing rubber rollers gluing on PU film by a conveyer belt, then the PU film after gluing is sent into the solid glue of baking oven by conveyer belt, Gu the PU film after glue from baking oven out, the support membrane be attached to below PU film is peeled off by a support membrane wind-up roll, and then the PU film with gluing is rolled by a wind-up roll; The temperature of described hot-rolling controls at 60 degrees Celsius to 110 degrees Celsius, and the solid glue temperature of described baking oven controls at 80 degrees Celsius to 110 degrees Celsius; Described support membrane is PET film.
2. the direct glue spreading method of a kind of PU film according to claim 1, is characterized in that, described method further: described PU film after gluing rubber rollers gluing, then enters the solid glue of baking oven after an even glue process.
3. the direct glue spreading method of a kind of PU film according to claim 2, it is characterized in that, described even glue process be PU film after gluing rubber rollers again through a rubber flap, realize the control to PU film surface coating thickness and the uniformity by the distance controlling rubber flap and PU film surface.
4. the direct glue spreading method of a kind of PU film according to claim 2, it is characterized in that, described even glue process be PU film after gluing rubber rollers again through a soft brush plate, realize the control to PU film surface coating thickness and the uniformity by the pressure controlling soft brush plate hairbrush and PU film surface contact.
5. the direct glue spreading method of a kind of PU film according to claim 1 or 3 or 4, is characterized in that, the temperature of described hot-rolling controls at 80 degrees Celsius to 90 degrees Celsius, and the solid glue temperature of described baking oven controls at 90 degrees Celsius to 100 degrees Celsius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410151679.4A CN103878102B (en) | 2014-04-16 | 2014-04-16 | The direct glue spreading method of a kind of PU film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410151679.4A CN103878102B (en) | 2014-04-16 | 2014-04-16 | The direct glue spreading method of a kind of PU film |
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| Publication Number | Publication Date |
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| CN103878102A CN103878102A (en) | 2014-06-25 |
| CN103878102B true CN103878102B (en) | 2015-12-02 |
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| CN201410151679.4A Active CN103878102B (en) | 2014-04-16 | 2014-04-16 | The direct glue spreading method of a kind of PU film |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108393232B (en) * | 2018-02-09 | 2019-07-12 | 福建省泉州大富豪家具有限公司 | One kind being based on mattress manufacture cylinder type glue obliterator and its glue spreading method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2118594U (en) * | 1991-12-25 | 1992-10-14 | 马竞康 | Apparatus for the prodn. of pressure-sensitive rubber belt |
| JPH08127531A (en) * | 1994-10-28 | 1996-05-21 | Bando Chem Ind Ltd | Substrate for percutaneously administering medicine |
| CN1217955A (en) * | 1997-11-14 | 1999-06-02 | 阿克佐诺贝尔公司 | Method of glueing and device therefor |
| CN101229701A (en) * | 2007-01-23 | 2008-07-30 | 上海未来先行科技有限公司 | Process of manufacturing compound film packing material |
| CN103140351A (en) * | 2010-07-29 | 2013-06-05 | 久光制药株式会社 | Supporting film for tape material and tape material |
-
2014
- 2014-04-16 CN CN201410151679.4A patent/CN103878102B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2118594U (en) * | 1991-12-25 | 1992-10-14 | 马竞康 | Apparatus for the prodn. of pressure-sensitive rubber belt |
| JPH08127531A (en) * | 1994-10-28 | 1996-05-21 | Bando Chem Ind Ltd | Substrate for percutaneously administering medicine |
| CN1217955A (en) * | 1997-11-14 | 1999-06-02 | 阿克佐诺贝尔公司 | Method of glueing and device therefor |
| CN101229701A (en) * | 2007-01-23 | 2008-07-30 | 上海未来先行科技有限公司 | Process of manufacturing compound film packing material |
| CN103140351A (en) * | 2010-07-29 | 2013-06-05 | 久光制药株式会社 | Supporting film for tape material and tape material |
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| CN103878102A (en) | 2014-06-25 |
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