CN102327744B - Method for preparing multi-strip full-laminated nanometer air-permeable composite film - Google Patents
Method for preparing multi-strip full-laminated nanometer air-permeable composite film Download PDFInfo
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- CN102327744B CN102327744B CN 201110286398 CN201110286398A CN102327744B CN 102327744 B CN102327744 B CN 102327744B CN 201110286398 CN201110286398 CN 201110286398 CN 201110286398 A CN201110286398 A CN 201110286398A CN 102327744 B CN102327744 B CN 102327744B
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Abstract
A method for preparing a multi-strip full-laminated nanometer air-permeable composite film comprises the following steps in sequence: rolling, unrolling, coating, preheating, combining, drying, cooling, and rolling. The nanometer air-permeable composite film treated by combing and drying is transferred to a rolling device by cooling traction after sizing. The method can greatly improve the production efficiency of the full-laminated and partial-laminated film, and lower the production cost.
Description
Technical field:
The present invention relates to a kind of many full-laminated nanometer air-permeable composite film preparation methods.
Technical background
Nano ventilated film adopts, and to be nano-calcium carbonate become resin permeability (or title ventilated membrane masterbatch) as raw material, to pass through blown film or curtain coating stretched forming again with PE resin and relevant processing additives modification; It has spongiform mesh-structured, thus have certain gas permeation ability (as moisture, air etc.), and the effective film that passes through (Ru Shui, oil and bacterium etc.) of liquid barrier and solia particle etc.Comparatively speaking, due to the requirement of application (hygienic material, protective garment), the requirement of strength that this material require is certain, but can't reach instructions for use in view of the characteristic of film itself;
Nonwoven (English name: NonWoven) claim again adhesive-bonded fabric or non-weaving cloth, to be consisted of by orientation or random fiber, be environment-friendly materials of new generation, have protection against the tide, ventilative, pliable and tough, light weight, not combustion-supporting, easy decomposition, nontoxic nonirritant, rich color, cheap, the capable of circulation characteristics such as use again.More tempting is that it has enough physical properties, as vertical transverse strength, tearing strength etc.; Therefore can be applied in widely each field, can certainly be applied in above-mentioned field.
In conjunction with both characteristics separately, preferably can adopt compound method to be undertaken bonding by adhesive nano ventilated film and nonwoven.But it is compound or single compound between two parties to carry out separately in the market justifying.Justifying is compound or single compound between two parties owing to carrying out separately, has greatly restricted the mass production capabilities of product and the operating cost of equipment.Particularly carrying out compound tense placed in the middle needs simultaneously ventilated membrane and nonwoven to be cut processing, then just can carry out later process, and production efficiency is low, has also increased production cost simultaneously.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of a kind of many full-laminated nanometer air-permeable composite film preparation methods that can carry out view picture and many nano ventilated composite membranes simultaneously on a set of equipment.Use the method can improve greatly view picture and composite membrane production efficiency placed in the middle, reduce production costs.
In order to reach upper above-mentioned purpose, the present invention adopts following technical scheme: a kind of many full-laminated nanometer air-permeable composite film preparation methods comprise winding apparatus on a plurality of independences, rubber roll pressurization gluing, preheating, compound, dry, these 6 steps of rolling successively.
A, upper volume unreel
After start, at first composite steel roll is heated to 60-90 ℃, after reaching design temperature, insulation is more than 30 minutes.Then settle two kinds of base materials, nano ventilated film is the first base material, and nonwoven is the second base material, and the installation of base material can be selected different unwinding devices according to needs of production.The first base material unwinding device is comprised of 5 and the unwinding unit that is not limited to 5 independent operatings, can select single or a plurality of unwinding units according to the different composite mode.Add the glue that configures in gum box.Set tension force, starting the machine flattens film, and along circuit to upper glue roller.
In view of the characteristic of nano ventilated film, the initial tension of single film in a narrow margin volume differ and nano ventilated film very high to the susceptibility of tension force, just need stable tension control system to guarantee.
B, gluing
By the rubber roll gluing that pressurizes, according to different complex methods, select different rubber rolls.Carry out view picture compound or carry out many placed in the middle compound, carry out the view picture compound tense and select conventional rubber rollers, carry out many Compound rubber rollers placed in the middle (generally using concavo-convex roller) that many compound tenses placed in the middle are chosen in particular production, certain width is partly carried out gluing.
C, preheating
Gone up the film of glue, through a short drying tunnel.Temperature by setting hot-air oven is carried out preheating to 40-60 ℃ to film, makes simultaneously part solvent evaporates in adhesive, makes adhesive produce certain viscosity.
D, compound
With the first base material after preheating and the second base material, through composite press roller pressing and heating.60-90 ℃ of composite steel roll Temperature Setting.
E, drying
Film after pressing by a long hot blast drying tunnel, is carried out Hot-blast Heating to 60-90 ℃ to film, so that the residual solvent in film is volatilized fully.The drying tunnel top is equipped with air intake device, the solvent that evaporates is discharged, and make glue curing, and the first base material and the second base material can firmly be linked together.Above process has been completed whole compound process substantially.
F, cooling rolling
With the nano ventilated composite membrane after composite drying, by cooling traction, enter wrap-up after typing.
The present invention can improve view picture and composite membrane production efficiency placed in the middle greatly, reduces production costs.
Description of drawings
Fig. 1: nano ventilated composite membrane placed in the middle,
Fig. 2: full-laminated nanometer air-permeable composite film;
Fig. 3: production procedure schematic diagram of the present invention.
Wherein 1 is nano ventilated film, and 2 is nonwoven; 8 for 1# unreel, 9 for 2# unreel, 3 for many unreel, 4 for gluing, 5 for pressing, 6 for oven dry, 7 for cooling rolling.
Specific embodiments
With reference to production procedure schematic diagram of the present invention (Fig. 3).
A kind of many full-laminated nanometer air-permeable composite film preparation methods comprise winding apparatus on a plurality of independences, rubber roll pressurization gluing, preheating, compound, dry, these 6 steps of rolling successively.
A, upper volume unreel
After start, at first composite steel roll is heated to 60-90 ℃, after reaching design temperature, insulation is more than 30 minutes.Then settle two kinds of base materials, nano ventilated film is the first base material, and nonwoven is the second base material, and the installation of base material can be selected different unwinding devices according to needs of production.The first base material unwinding device is comprised of 5 and the unwinding unit that is not limited to 5 independent operatings, can select single or a plurality of unwinding units according to the different composite mode.Add the glue that configures in gum box.Set tension force, starting the machine flattens film, and along circuit to upper glue roller.
In view of the characteristic of nano ventilated film, the initial tension of single film in a narrow margin volume differ and nano ventilated film very high to the susceptibility of tension force, just need stable tension control system to guarantee.
B, gluing
By the rubber roll gluing that pressurizes, according to different complex methods, select different rubber rolls.Carry out view picture compound or carry out many placed in the middle compound, select conventional rubber rollers when carrying out view picture laminating production full-laminated nanometer air-permeable composite film (seeing Fig. 2), select concavo-convex roller when carrying out many laminating production placed in the middle nano ventilated composite membranes placed in the middle (seeing Fig. 1), certain width is partly carried out gluing.
C, preheating
Gone up the film of glue, through a short drying tunnel.Temperature by setting hot-air oven is carried out preheating to 40-60 ℃ to film, makes simultaneously part solvent evaporates in adhesive, makes adhesive produce certain viscosity.
D, compound
With the first base material after preheating and the second base material, through composite press roller pressing and heating.60-90 ℃ of composite steel roll Temperature Setting.
E, drying
Film after pressing by a long hot blast drying tunnel, is carried out Hot-blast Heating to 60-90 ℃ to film, so that the residual solvent in film is volatilized fully.The drying tunnel top is equipped with air intake device, the solvent that evaporates is discharged, and make glue curing, and the first base material and the second base material can firmly be linked together.Above process has been completed whole compound process substantially.
F, cooling rolling
With the nano ventilated composite membrane after composite drying, by cooling traction, enter wrap-up after typing.
The present invention can improve view picture and composite membrane production efficiency placed in the middle greatly, reduces production costs.
By testing:
The general design work speed of equipment complex 150m/min, fabric width hypothesis 2000mm, general fabric width is 315mm in hygienic material baby diaper field, is complex as example with 14g/m2 nonwoven and the nano ventilated film of 20g/m2, binder content is 1g/m2, and nano ventilated film web is wide is 200mm; Compound between two parties by above-mentioned production requirement production, adopt and use many complex techniques can draw on the same production line:
Many compound per hour production capacity is 6*0.027**60*150*0.315=459.27KG/ hour; The compound per hour production capacity of view picture is: 6*0.315m*0.035kg/m2*60min*150m/min=595.35KG/ hour.
And single compound between two parties:
Average grammes per square metre is (0.02*0.2+0.014*0.315)/0.315=0.027g/m2;
Per hour production production capacity is: 0.027**60*150*0.315=76.545KG/ hour.
This shows, by beyond thought method, work efficiency improves more than five times, can commercially obtain howling success.
Claims (1)
1. one kind many full-laminated nanometer air-permeable composite film preparation methods, is characterized in that, comprises the following steps successively:
A, upper volume unreel
After start, at first composite steel roll is heated to 60-90 ℃, after reaching design temperature, insulation is more than 30 minutes; Then settle two kinds of base materials, nano ventilated film is the first base material, and nonwoven is the second base material, and the installation of base material can be selected different unwinding devices according to needs of production; The first base material unwinding device is comprised of 5 and the unwinding unit that is not limited to 5 independent operatings, can select single or a plurality of unwinding units according to the different composite mode; Add the glue that configures in gum box; Set tension force, starting the machine flattens film, and along circuit to upper glue roller;
B, gluing
By the rubber roll gluing that pressurizes, carry out view picture compound or carry out many placed in the middle compound, carry out the conventional rubber rollers of view picture compound tense; Carry out many concavo-convex rollers of compound tense placed in the middle, certain width is partly carried out gluing;
C, preheating
Gone up the film of glue, through a short drying tunnel; Temperature by setting hot-air oven is carried out preheating to 40-60 ℃ to film, makes simultaneously part solvent evaporates in adhesive, makes adhesive produce certain viscosity;
D, compound
With the first base material after preheating and the second base material, through composite press roller pressing and heating; 60-90 ℃ of composite steel roll Temperature Setting;
E, drying
Film after pressing by a long hot blast drying tunnel, is carried out Hot-blast Heating to 60-90 ℃ to film, above drying tunnel, air intake device is installed, the solvent that evaporates is discharged, and make glue curing;
F, cooling rolling
With the nano ventilated composite membrane after composite drying, by cooling traction, enter wrap-up after typing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110286398 CN102327744B (en) | 2011-09-23 | 2011-09-23 | Method for preparing multi-strip full-laminated nanometer air-permeable composite film |
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| CN 201110286398 CN102327744B (en) | 2011-09-23 | 2011-09-23 | Method for preparing multi-strip full-laminated nanometer air-permeable composite film |
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| CN102327744B true CN102327744B (en) | 2013-05-08 |
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| CN105922713B (en) * | 2016-05-10 | 2018-07-03 | 佛山市南海区科思瑞迪材料科技有限公司 | Non-woven fabrics and ventilated membrane compound equipment and manufacture craft |
| CN106729840A (en) * | 2016-11-18 | 2017-05-31 | 无锡祁龙胶粘制品有限公司 | A kind of high temperature sterilizer of diaphragm |
| CN106808698B (en) * | 2016-12-27 | 2019-11-19 | 广东正业科技股份有限公司 | A kind of preparation process of multilayer film |
| CN107983166A (en) * | 2017-12-14 | 2018-05-04 | 晏光明 | A kind of air-filtering membrane and its production technology |
| CN107984874A (en) * | 2018-01-10 | 2018-05-04 | 上海大音希声新型材料有限公司 | A kind of production system of aeroge composite thermal insulation article |
| CN109383037A (en) * | 2018-09-19 | 2019-02-26 | 湖南洣水游艇制造有限公司 | A kind of kayak fabric method for sealing |
| CN111041842A (en) * | 2019-11-27 | 2020-04-21 | 徐州顺天工业用布有限公司 | Processing technology of polyester cloth liner |
| CN115283331A (en) * | 2022-07-14 | 2022-11-04 | 深圳稀导技术有限公司 | Film circulation cleaning system |
| CN115871314B (en) * | 2022-12-30 | 2023-11-07 | 江苏科麦特科技发展有限公司 | Preparation method of wing-spreading composite belt |
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| US6998165B2 (en) * | 2001-11-13 | 2006-02-14 | Warwick Mills, Inc. | Laminate system for a durable controlled modulus flexible membrane |
| US6910235B2 (en) * | 2002-08-29 | 2005-06-28 | Core Enterprise Holdings, Inc. | Adjustably insulative construct |
| CN2664626Y (en) * | 2003-10-21 | 2004-12-22 | 王立成 | Nanometer heat source plaster |
| CN201010188Y (en) * | 2007-03-15 | 2008-01-23 | 沈跃华 | Ventilating anti-leaking back package material construction |
| CN201304297Y (en) * | 2008-11-12 | 2009-09-09 | 江阴金凤特种纺织品有限公司 | Composite non-woven fabric with ventilation function |
| CN201683074U (en) * | 2010-03-31 | 2010-12-29 | 稳健实业(深圳)有限公司 | Breathable all-cotton medical protective clothing |
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