CN104401097A - Method using water-soluble glue for making composite film - Google Patents
Method using water-soluble glue for making composite film Download PDFInfo
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- CN104401097A CN104401097A CN201410608663.1A CN201410608663A CN104401097A CN 104401097 A CN104401097 A CN 104401097A CN 201410608663 A CN201410608663 A CN 201410608663A CN 104401097 A CN104401097 A CN 104401097A
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- film
- water
- glue
- soluble glue
- drying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
- B32B37/1027—Pressing using at least one press band
- B32B37/1036—Pressing between one press band and a cylinder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0036—Heat treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
- B32B2309/04—Time
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Laminated Bodies (AREA)
Abstract
The invention relates to a method using water-soluble glue for making a composite film, and the method comprises the following steps: coating and gluing a PE film, heating in an oven channel for drying, compounding the PE film and non-woven fabric, and shaping and curing the compounded PE film and non-woven fabric. An efficient drying method is used, air dehumidified by a dehumidifier is introduced into an inlet of the oven channel and heated to obtain low humidity hot air to dry the PE film which introduced into the oven channel and glued; the dehumidifier is an industrial dehumidifier, and the relative humidity RH of the dehumidified air is 1-15%. The method uses the water-soluble glue, the product has low viscosity, high composite strength, good transparency, stable quality, convenient use, no blistering, delamination, yellowing and wrinkling phenomena, and colorlessness, tastelessness, non toxicity and no pollution after the glue is dried, and is a green environmental friendly composite film glue.
Description
Technical field
The present invention relates to a kind of method making composite membrane, be specifically related to a kind of method using water-soluble glue to make composite membrane.
Background technology
The coating complex method of non-woven fabrics and PE film adopts traditional solvent-type film-covered adhesive all the time mostly, along with the development aqueous laminating adhesive gradual perfection of science and technology is shaping, people recognize the harm that solvent-type film-covered adhesive is brought more: large to operator's damaging, because the benzene class in solvent and ester class can enter the body fluid of people from the body surface of people, and then enter the blood of people, the contact of long-time heavy dose causes in body and accumulates too much, thus causes various illness; Inflammable and explosive, hazard rating is high, therefore domestic and cause heavy losses appear in the newspapers repeatly to; Cost is high; Strengthen VOC (volatile organic matter matter) discharge, to environment; In goods, solvent is remaining for a long time, harm later stage user.And aqueous laminating adhesive successfully overcomes above shortcoming, have product viscosity low, transparency is good, and combined strength bination is high, steady quality, easy to use, do not have foaming, delamination, yellowing, the phenomenon such as wrinkling, and glue dry after colourless, tasteless, nontoxic, pollution-free, be the multiple film glue of a kind of environmental type.
Traditional coating machine adopts the mode of air blast to keep watch to send into drying tunnel and heats, so drying coated after matrix.But in the method making use peritonaeum glue, need the moisture carried in baking water peritonaeum glue rapidly and efficiently, the problem that current ubiquity drying efficiency is low, drying time is long, drying efficiency lowly directly limit the speed of production of coating process, and the drying rate of prior art only can reach 20 ms/min.Be badly in need of providing a kind of new method using water-soluble glue to make composite membrane, to significantly improve speed of production.
Summary of the invention
The object of this invention is to provide a kind of method using water-soluble glue making composite membrane, use solvent-type film-covered adhesive to make the large shortcoming of composite membrane toxicity at present to solve, and the problem using the process speed of water-soluble glue making PE film, nonwoven fabrics composite film slow.
For achieving the above object, the technical solution used in the present invention is:
Use water-soluble glue to make a method for composite membrane, it comprises the following steps:
(1) PE film coating gluing: PE film volume is placed in the first stock roll, is directed between intaglio plate upper glue roller and gluing pressure roller, carries out gluing; Described gluing adopts water soluble glue, and the tension force of PE film volume controls at 15 ~ 20N;
(2) drying tunnel heat drying: the air after dehumidifier dehumidifying is introduced into drying tunnel entrance and heats, and obtains the hot blast of low humidity; The hot blast of described low humidity carries out drying to the PE film after the described gluing imported in drying tunnel;
(3) compound of PE film and non-woven fabrics: dried described PE film, and the nonwoven fabric roll parallel alignment be placed in the second stock roll imports to bond between warm-up mill and composite press roller and carries out compound; Wherein the tension force of nonwoven fabric roll controls at 15 ~ 20N, and the temperature of composite press roller is set in 60 ~ 70 DEG C, and Stress control is at 2 ~ 3N;
(4) the PE film after compound and the setting of non-woven fabrics and slaking: the PE film be combined with each other and non-woven fabrics are entered chill roll and cools, import winding wheel afterwards; Wherein winding tension controls at 30 ~ 40N, then the curing chamber slaking 24 hours of 60 DEG C.
As preferably, a kind of described method using water-soluble glue to make composite membrane, the water soluble glue of described step (1) comprises polyacrylate, any one in polyvinyl alcohol glue.Described water-based glue, has product viscosity low, and transparency is good, and combined strength bination is high, and steady quality is easy to use, does not have foaming, delamination, yellowing, the phenomenon such as wrinkling, and glue dry after colourless, tasteless, nontoxic, pollution-free, be the multiple film glue of a kind of environmental type.
As preferably, a kind of described method using water-soluble glue to make composite membrane, the solids level concentration of the water soluble glue of described step (1) is 65 ~ 75%.
As preferably, a kind of described method using water-soluble glue to make composite membrane, the dehumidifier of described step (2) is industrial dehumidifier, and the relative humidity RH of the air after described dehumidifying is 1 ~ 15%.For realizing the speed that dehumidifies fast and efficiently, present invention employs rotary dehumidifier, non-general cooled dehumidifier unit, adopt advanced patent solid absorption technology, can continous-stable, large load air humidity adjusting run, particularly can realize the ultralow air dew point of-70 DEG C under low temperature and low humidity operating mode.Air solid adsorbing separation adopts international rotary-type metal silicate drier adsorbent.In dehumidification process, vacuum chuck turntable slowly rotates under drive unit drives, when adsorption runner is after process air section adsorbed water molecule reaches capacity state, enter regeneration zone and carry out desorption and regeneration by high temperature air, this process is gone round and begun again, dry air continuous print sends into designated space after temperature regulates, and reaches high-precision Temperature and Humidity Control.After the wind of low humidity enters drying tunnel, be heated to form low humidity hot blast, the moisture in upper glue in PE film can be taken away quickly and efficiently, thus increase substantially drying efficiency.
As preferably, a kind of described method using water-soluble glue to make composite membrane, is divided into 3 temperature provinces: control at 40 ~ 50 DEG C respectively, 50 ~ 60 DEG C, 60 ~ 70 DEG C in the drying tunnel of described step (2).In order to improve irritated efficiency further, adopt three sections of temperature provinces.
As preferably, a kind of described method using water-soluble glue to make composite membrane, the dry speed of PE film of described step (2) is to reaching 120 ~ 150 ms/min.The relative humidity RH of industrial production environment air is 70 ~ 95%, and after dehumidifying, relative humidity is only 1 ~ 15%, and the present invention adopts the hot blast of low humidity to transform the glue on PE film, significantly improves rate of drying.
A kind of method using water-soluble glue to make composite membrane of the present invention has following beneficial effect:
(1) in PE film drying process, the hot blast after dehumidifying is adopted to carry out drying to the moisture in the water soluble glue on PE film surface, after dehumidifying, relative humidity is only 1 ~ 15%, and the relative humidity RH of undressed industrial production environment air is 70 ~ 95%, the rate of drying of hot blast after dehumidifying to PE film increases substantially, from 20 ms/min of prior art, rise to 120 ~ 150 ms/min.
(2) the present invention adopts water-based glue, has product viscosity low, and transparency is good, and combined strength bination is high, steady quality, easy to use, do not have foaming, delamination, yellowing, the phenomenon such as wrinkling, and glue dry after colourless, tasteless, nontoxic, pollution-free, be the multiple film glue of a kind of environmental type.
Detailed description of the invention
For making those skilled in the art clearly and technical scheme clearly of the present invention, spy provides preferred embodiment below, but technological thought of the present invention is not limited to following examples.
Polyacrylate glue in embodiment is the water-soluble multiple film glue of JH-A plain edition, purchases from Wenzhou gold seashore Chemical Co., Ltd.; The buying of polyvinyl alcohol glue is from environmental protection medicament Co., Ltd of Yixing City green section.
Embodiment 1
Use water-soluble glue to make a method for composite membrane, it comprises the following steps:
(1) PE film coating gluing: be placed in the first stock roll by PE film volume, be directed between intaglio plate upper glue roller and gluing pressure roller, carry out gluing, described gluing adopts water soluble glue, the tension force of PE film volume controls at 20N; Water soluble glue is polyacrylate glue, and concentration is 65%;
(2) drying tunnel heat drying: the air after dehumidifier dehumidifying is introduced into drying tunnel entrance and heats, and obtains the hot blast of low humidity; The hot blast of described low humidity carries out drying to the PE film after the described gluing imported in drying tunnel, and rotary dehumidifier is Jetta Lay fort DCW dehumidifier, and the relative air humidity RH after dehumidifying is 1%; 3 temperature provinces are divided into: control at 50 DEG C respectively, 60 DEG C, 70 DEG C in drying tunnel; The dry speed of PE film is to reaching 150 ms/min;
(3) compound of PE film and non-woven fabrics: described dried PE film, and the nonwoven fabric roll parallel alignment be placed in the second stock roll imports to bond between warm-up mill and composite press roller carries out compound, the tension force of nonwoven fabric roll controls at 15N, the temperature of composite press roller is set in 60 DEG C, and Stress control is at 2N;
(4) the PE film after compound and the setting of non-woven fabrics and slaking: the PE film be combined with each other and non-woven fabrics are entered chill roll and cools, import winding wheel afterwards, winding tension controls at 30N, then the curing chamber slaking 24 hours of 60 DEG C.
Embodiment 2
Use water-soluble glue to make a method for composite membrane, it comprises the following steps:
(1) PE film coating gluing: be placed in the first stock roll by PE film volume, be directed between intaglio plate upper glue roller and gluing pressure roller, carry out gluing, described gluing adopts water soluble glue, the tension force of PE film volume controls at 15N; Water soluble glue is polyvinyl alcohol glue, and concentration is 75%;
(2) drying tunnel heat drying: the air after dehumidifier dehumidifying is introduced into drying tunnel entrance and heats, the hot blast obtaining low humidity carries out drying to the PE film after the described gluing imported in drying tunnel, rotary dehumidifier is Jetta Lay fort DCW dehumidifier, and the relative air humidity RH after dehumidifying is 15%; 3 temperature provinces are divided into: control at 40 DEG C respectively, 50 DEG C, 70 DEG C in drying tunnel; The dry speed of PE film is to reaching 120 ms/min;
(3) compound of PE film and non-woven fabrics: described dried PE film, and the nonwoven fabric roll parallel alignment be placed in the second stock roll imports to bond between warm-up mill and composite press roller carries out compound, the tension force of nonwoven fabric roll controls at 20N, the temperature of composite press roller is set in 70 DEG C, and Stress control is at 3N;
(4) the PE film after compound and the setting of non-woven fabrics and slaking: the PE film be combined with each other and non-woven fabrics are entered chill roll and cools, import winding wheel afterwards, winding tension controls at 40N, then the curing chamber slaking 24 hours of 60 DEG C.
Embodiment 3
Use water-soluble glue to make a method for composite membrane, it comprises the following steps:
(1) PE film coating gluing: be placed in the first stock roll by PE film volume, be directed between intaglio plate upper glue roller and gluing pressure roller, carry out gluing, described gluing adopts water soluble glue, the tension force of PE film volume controls at 17N; Water soluble glue is polyacrylate glue, and concentration is 70%;
(2) drying tunnel heat drying: the air after dehumidifier dehumidifying is introduced into drying tunnel entrance and heats, the hot blast obtaining low humidity carries out drying to the PE film after the described gluing imported in drying tunnel, rotary dehumidifier is Jetta Lay fort DCW dehumidifier, and the relative air humidity RH after dehumidifying is 5%; 3 temperature provinces are divided into: control at 50 DEG C respectively, 50 DEG C, 60 DEG C in drying tunnel; The dry speed of PE film is to reaching 130 ms/min;
(3) compound of PE film and non-woven fabrics: described dried PE film, and the nonwoven fabric roll parallel alignment be placed in the second stock roll imports to bond between warm-up mill and composite press roller carries out compound, the tension force of nonwoven fabric roll controls at 17N, the temperature of composite press roller is set in 65 DEG C, and Stress control is at 2.5N;
(4) the PE film after compound and the setting of non-woven fabrics and slaking: the PE film be combined with each other and non-woven fabrics are entered chill roll and cools, import winding wheel afterwards, winding tension controls at 35N, then the curing chamber slaking 24 hours of 60 DEG C.
Comparative example 4
In comparative example, enter the drying of air without dehumidifier of drying tunnel, directly enter drying tunnel and carry out heating drying is carried out to material.Other steps are identical with embodiment 3.
Use water-soluble glue to make a method for composite membrane, it comprises the following steps:
(1) PE film coating gluing: be placed in the first stock roll by PE film volume, be directed between intaglio plate upper glue roller and gluing pressure roller, carry out gluing, described gluing adopts water soluble glue, the tension force of PE film volume controls at 17N; Water soluble glue is polyacrylate glue, and concentration is 70%;
(2) drying tunnel heat drying: the air without dehumidifier is directly introduced into drying tunnel entrance and heats, the hot blast obtaining low humidity carries out drying to the PE film after the described gluing imported in drying tunnel, rotary dehumidifier is Jetta Lay fort DCW dehumidifier, and the relative air humidity RH after dehumidifying is 5%; 3 temperature provinces are divided into: control at 50 DEG C respectively, 50 DEG C, 60 DEG C in drying tunnel; The dry speed of PE film is to reaching 20 ms/min;
(3) compound of PE film and non-woven fabrics: described dried PE film, and the nonwoven fabric roll parallel alignment be placed in the second stock roll imports to bond between warm-up mill and composite press roller carries out compound, the tension force of nonwoven fabric roll controls at 17N, the temperature of composite press roller is set in 65 DEG C, and Stress control is at 2.5N;
(4) the PE film after compound and the setting of non-woven fabrics and slaking: the PE film be combined with each other and non-woven fabrics are entered chill roll and cools, import winding wheel afterwards, winding tension controls at 35N, then the curing chamber slaking 24 hours of 60 DEG C.
From the dry speed of above-described embodiment 1-3, PE film to reaching 120 ~ 150 ms/min, the rate of drying of the certain prior art of comparative example 4 only can reach 20 ms/min; And prior art can realize continuous prodution, significantly improves production efficiency.
Claims (6)
1. use water-soluble glue to make a method for composite membrane, it is characterized in that, it comprises the following steps:
(1) PE film coating gluing: PE film volume is placed in the first stock roll, is directed between intaglio plate upper glue roller and gluing pressure roller, carries out gluing; Described gluing adopts water soluble glue, and the tension force of PE film volume controls at 15 ~ 20N;
(2) drying tunnel heat drying: the air after dehumidifier dehumidifying is introduced into drying tunnel entrance and heats, and obtains the hot blast of low humidity; The hot blast of described low humidity carries out drying to the PE film after the described gluing imported in drying tunnel;
(3) compound of PE film and non-woven fabrics: dried described PE film, and the nonwoven fabric roll parallel alignment be placed in the second stock roll imports to bond between warm-up mill and composite press roller and carries out compound; Wherein the tension force of nonwoven fabric roll controls at 15 ~ 20N, and the temperature of composite press roller is set in 60 ~ 70 DEG C, and Stress control is at 2 ~ 3N;
(4) the PE film after compound and the setting of non-woven fabrics and slaking: the PE film be combined with each other and non-woven fabrics are entered chill roll and cools, import winding wheel afterwards; Wherein winding tension controls at 30 ~ 40N, then the curing chamber slaking 24 hours of 60 DEG C.
2. a kind of method using water-soluble glue to make composite membrane according to claim 1, it is characterized in that, the water soluble glue of described step (1) is any one in polyacrylate, polyvinyl alcohol glue.
3. a kind of method using water-soluble glue to make composite membrane according to claim 1, it is characterized in that, the solids level concentration of the water soluble glue of described step (1) is 65 ~ 75%.
4. a kind of method using water-soluble glue to make composite membrane according to claim 1, it is characterized in that, the dehumidifier of described step (2) is industrial rotary dehumidifier, and the relative humidity RH of the air after described dehumidifying is 1 ~ 15%.
5. a kind of method using water-soluble glue to make composite membrane according to claim 1, is characterized in that, be divided into 3 temperature provinces in the drying tunnel of described step (2): control at 40 ~ 50 DEG C respectively, 50 ~ 60 DEG C, 60 ~ 70 DEG C.
6. a kind of method using water-soluble glue to make composite membrane according to claim 1, it is characterized in that, the PE film rate of drying of described step (2) is 120 ~ 150 ms/min.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111923567A (en) * | 2020-08-20 | 2020-11-13 | 四川汇利实业有限公司 | Dry-type composite equipment for composite film |
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CN100999870A (en) * | 2007-01-11 | 2007-07-18 | 何伟 | Preparation method of nonwoven fabrics composite film |
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 |
CN101357506A (en) * | 2008-05-29 | 2009-02-04 | 郭军 | Production process and equipment of polylactic acid (PLA) sheet |
CN103808108A (en) * | 2013-11-19 | 2014-05-21 | 浙江祥邦科技有限公司 | Low-temperature drying method of low-melting-point resin |
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2014
- 2014-10-31 CN CN201410608663.1A patent/CN104401097B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040244316A1 (en) * | 2003-06-02 | 2004-12-09 | Macuga James A. | Cool roof covering |
CN100999870A (en) * | 2007-01-11 | 2007-07-18 | 何伟 | Preparation method of nonwoven fabrics composite film |
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 |
CN101357506A (en) * | 2008-05-29 | 2009-02-04 | 郭军 | Production process and equipment of polylactic acid (PLA) sheet |
CN103808108A (en) * | 2013-11-19 | 2014-05-21 | 浙江祥邦科技有限公司 | Low-temperature drying method of low-melting-point resin |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111923567A (en) * | 2020-08-20 | 2020-11-13 | 四川汇利实业有限公司 | Dry-type composite equipment for composite film |
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Address after: 402560 No.5, Jinqiao Road, Pulu street, Tongling County, Chongqing Patentee after: Chongqing runjiah and Limited by Share Ltd Address before: 400060 No. 10 Peony Road, Nan'an District, Chongqing Patentee before: Chongqing Hetai Plastic Co., Ltd. |