CN104371584A - Foam adhesive tape and preparation method thereof - Google Patents
Foam adhesive tape and preparation method thereof Download PDFInfo
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- CN104371584A CN104371584A CN201410657256.XA CN201410657256A CN104371584A CN 104371584 A CN104371584 A CN 104371584A CN 201410657256 A CN201410657256 A CN 201410657256A CN 104371584 A CN104371584 A CN 104371584A
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- foam
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- 239000006260 foam Substances 0.000 title claims abstract description 111
- 238000002360 preparation method Methods 0.000 title claims abstract description 37
- 239000002390 adhesive tape Substances 0.000 title abstract description 6
- 239000010410 layer Substances 0.000 claims abstract description 132
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims abstract description 49
- 238000005187 foaming Methods 0.000 claims abstract description 33
- 239000004814 polyurethane Substances 0.000 claims abstract description 31
- 229920002635 polyurethane Polymers 0.000 claims abstract description 30
- 239000011248 coating agent Substances 0.000 claims abstract description 28
- 238000000576 coating method Methods 0.000 claims abstract description 28
- 239000011259 mixed solution Substances 0.000 claims abstract description 22
- 229920005830 Polyurethane Foam Polymers 0.000 claims abstract description 13
- 239000011496 polyurethane foam Substances 0.000 claims abstract description 13
- 239000000839 emulsion Substances 0.000 claims abstract description 12
- 230000007062 hydrolysis Effects 0.000 claims abstract description 9
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 9
- 239000004698 Polyethylene Substances 0.000 claims description 41
- 238000000034 method Methods 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 28
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 27
- 239000011241 protective layer Substances 0.000 claims description 26
- 239000011347 resin Substances 0.000 claims description 25
- 229920005989 resin Polymers 0.000 claims description 25
- 239000012943 hotmelt Substances 0.000 claims description 24
- 239000002861 polymer material Substances 0.000 claims description 24
- 230000007704 transition Effects 0.000 claims description 24
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000004925 Acrylic resin Substances 0.000 claims description 17
- 229920000742 Cotton Polymers 0.000 claims description 17
- 239000002904 solvent Substances 0.000 claims description 16
- 239000011230 binding agent Substances 0.000 claims description 15
- 239000003607 modifier Substances 0.000 claims description 14
- -1 poly ethylene Polymers 0.000 claims description 13
- 239000002253 acid Substances 0.000 claims description 12
- 229920000178 Acrylic resin Polymers 0.000 claims description 11
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 10
- 229910021529 ammonia Inorganic materials 0.000 claims description 10
- 229910052731 fluorine Inorganic materials 0.000 claims description 10
- 239000011737 fluorine Substances 0.000 claims description 10
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical group CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 9
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 9
- 238000010030 laminating Methods 0.000 claims description 8
- 229920000573 polyethylene Polymers 0.000 claims description 7
- 239000004743 Polypropylene Substances 0.000 claims description 6
- 229920002401 polyacrylamide Polymers 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 229920005749 polyurethane resin Polymers 0.000 claims description 6
- 230000008719 thickening Effects 0.000 claims description 6
- PXFBZOLANLWPMH-UHFFFAOYSA-N 16-Epiaffinine Natural products C1C(C2=CC=CC=C2N2)=C2C(=O)CC2C(=CC)CN(C)C1C2CO PXFBZOLANLWPMH-UHFFFAOYSA-N 0.000 claims description 5
- 238000003851 corona treatment Methods 0.000 claims description 5
- 238000010422 painting Methods 0.000 claims description 5
- 239000004034 viscosity adjusting agent Substances 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 claims description 4
- 239000005060 rubber Substances 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 3
- 229920006267 polyester film Polymers 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 229920002050 silicone resin Polymers 0.000 claims description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims 2
- 229920006342 thermoplastic vulcanizate Polymers 0.000 abstract description 30
- 239000003292 glue Substances 0.000 abstract description 10
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 239000012790 adhesive layer Substances 0.000 abstract 2
- 230000003712 anti-aging effect Effects 0.000 abstract 1
- 238000001035 drying Methods 0.000 description 9
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 239000003651 drinking water Substances 0.000 description 3
- 235000020188 drinking water Nutrition 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 1
- 229920000784 Nomex Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000004763 nomex Substances 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Abstract
The invention discloses a foam adhesive tape and a preparation method thereof. The foam adhesive tape comprises a TPV (Thermoplastic Vulcanizate) film, an adhesive layer, a foam layer, a pressure-sensitive adhesive layer and a PE film. The preparation method comprises the following steps: a) carrying out polyurethane affinity treatment on the TPV film and coating the surface of the TPV film with single-component polyurethane glue as the adhesive layer; b) sequentially adding 10wt%-30wt% of hydrolysis-resistant components and 1wt%-2wt% of foam regulator into the aqueous polyurethane emulsion so as to form a polyurethane mixed solution; c) carrying out polyurethane ionizing treatment on the PE film; d) foaming the polyurethane mixed solution at a temperature of 100-120 DEG C so as to form the foam layer on the TPV film; and e) coating the foam layer with the pressure-sensitive adhesive so that the PE film is bonded with the polyurethane foam. The waterborne polyurethane foam tape disclosed by the invention has the advantages of good rebound elasticity, high elongation, high strength, long anti-aging time and environmental friendliness.
Description
Technical field
The present invention relates to a kind of sealing and matrix material and preparation method thereof, particularly a kind of foam tape and preparation method thereof.
Background technology
Foam tape adopts advanced full-automatic coating line continuously, the foam such as PU, PE, EVA, XPE, Ethylene Propylene Terpolymer, rubber and plastic, Nomex, hot melt felt is selected to be base material, be coated with various high-quality non-setting adhesive respectively and be equipped with various high-quality subsidiary material, through special process be composited soft, adiabatic, insulation, seal gum adhesive tape; Sealing tape is divided into closed pore and perforate bi-material type; Be widely used in automobile, the air conditioner refrigerating of boats and ships, interior finish; The air duct joint, air door etc. of automative air conditioning, civil air conditioner; The cement joint of urban architecture, the sealing of door and window is heat insulation etc.; There is firm pasting, use feature fast and easily, be one have sound insulation, heat insulation, glow, waterproof (closed pore), damping, sealing, environmental protection, the premium properties such as sound-absorbing product.
Foam tape is in the market main mainly with materials such as EVA, PE, CR, is not suitable for the automotive field that the standard that is used in is higher.Therefore, be necessary the adhesive tape providing a kind of performance more excellent, adhesive tape can be made to be applicable to automotive field and use.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of foam tape and preparation method thereof, and the aqueous polyurethane foam tape rebound resilience produced is good, and elongation is high, and intensity is large, and the ageing-resistant time is grown and environmental protection.
The present invention solves the problems of the technologies described above the preparation method that the technical scheme adopted is to provide a kind of foam tape, described foam tape includes TPV film, tack coat, foamed cotton layer, pressure-sensitive adhesive layer and PE film, comprise the steps: a) to carry out the affine process of urethane to described TPV film, at described TPV film surface coated one-component polyurethane water as tack coat; B) in aqueous polyurethane emulsion, add the hydrolysis component that weight percent is 10%-30% successively and weight percent is the froth modifier of 1%-2%, form urethane mixed solution; C) urethane is carried out from property process to described PE film; D) under the temperature condition of 100-120 DEG C, described urethane mixed solution is foamed on TPV film, forms foamed cotton layer; E) on described foamed cotton layer, be coated with pressure sensitive adhesive, described PE film and polyurethane foam are combined.
The preparation method of above-mentioned foam tape, wherein, described step a) described in TPV film first through corona treatment, be then coated with described one-component polyurethane water at TPV film corona surface.
The preparation method of above-mentioned foam tape, wherein, described step b) in urethane mixed solution in the middle of whipping process, add appropriate viscosity modifier.
The preparation method of above-mentioned foam tape, wherein, described step c) in use fluorine resin to process described PE film surface.
The preparation method of above-mentioned foam tape, wherein, uses fluorine resin to process described the two-sided of PE film.
The preparation method of above-mentioned foam tape, wherein, described steps d) in urethane mixed solution first foam through whisking machine.
The preparation method of above-mentioned foam tape, wherein, the foam multiplying power 180%-200% of described foaming.
The preparation method of above-mentioned foam tape, wherein, described step e) in before painting pressure sensitive adhesive by described pressure sensitive adhesive and tackifier and solvent.
The preparation method of above-mentioned foam tape, wherein, the laminating type of described PE film and polyurethane foam is dry doubling.
The present invention also provides a kind of foam tape for solving the problems of the technologies described above; wherein, comprise hot melt layer, foaming layer, pressure-sensitive adhesive layer and protective layer successively, described hot melt layer is temperature-sensitive tack coat; described hot melt layer is bonded in foaming layer surface, and described protective layer covers above pressure-sensitive adhesive layer.
Above-mentioned foam tape, wherein, is provided with First Transition layer between described hot melt layer and foaming layer.
Above-mentioned foam tape, wherein, is provided with the second transition layer between described pressure-sensitive adhesive layer and foaming layer.
Above-mentioned foam tape, wherein, described hot melt layer is polymer material layer, and described polymer materials is modified polypropene acid resin, modified poly ethylene acid resin or modified rubber resin.
Above-mentioned foam tape, wherein, described foaming layer is polymer material layer, and described polymer materials is one in aqueous polyacrylamide acid resin and waterborne polyurethane resin or its combination.
Above-mentioned foam tape, wherein, described aqueous polyacrylamide acid resin comprises following component: water-borne acrylic resin emulsion, froth modifier, thickening material and mill base.
Above-mentioned foam tape, wherein, described waterborne polyurethane resin comprises following component: aqueous polyurethane emulsion, froth modifier, thickening material and mill base.
Above-mentioned foam tape, wherein, described pressure-sensitive adhesive layer is polymer material layer, and described polymer materials is polyacrylic resin pressure sensitive adhesive or silicone resin pressure sensitive adhesive.
Above-mentioned foam tape, wherein, described polyacrylic resin is formed by acrylic resin, solidifying agent and solvent burden ratio, and described solvent is acetone, ethyl acetate, benzene, ethylene dichloride or deionized water.
Above-mentioned foam tape, wherein, described protective layer is polymer material layer, and described polymer materials is polypropylene membrane material, polyethylene film material or polyester film material.
Above-mentioned foam tape, wherein, described protective layer is coated with organic silicon coating or fluorine resin coating.
Above-mentioned foam tape, wherein, the material of described First Transition layer is that water-based gathers ammonia binding agent, solvent borne gathers ammonia binding agent or acrylic resin binder.
Above-mentioned foam tape, wherein, the material of described second transition layer is that water-based gathers ammonia binding agent, solvent borne gathers ammonia binding agent or acrylic resin binder.
The present invention also provides a kind of preparation method of above-mentioned foam tape for solving the problems of the technologies described above, wherein, comprise the steps: to provide hot melt layer, blade coating or roller coat First Transition layer on described hot melt layer; Then blade coating foaming layer again on described First Transition layer, and then blade coating or roller coat second transition layer; There is provided protective layer, blade coating pressure-sensitive adhesive layer on described protective layer; Finally fit together the foaming layer after process and protective layer formation foam tape.
The preparation method of above-mentioned foam tape, wherein, the laminating type of described protective layer and foamed cotton layer is dry doubling.
The preparation method of above-mentioned foam tape, wherein, described foaming layer is foamed through whisking machine, the foam multiplying power 180%-200% of described foaming.
The present invention contrasts prior art following beneficial effect: a kind of foam tape provided by the invention and preparation method thereof, use waterborne polyurethane foaming material, because polyurethane material rebound resilience is good, elongation is high, intensity is large, the ageing-resistant time is grown and environmental protection, so make foam tape have outstanding stopping property, avoids releasing outside gas and being atomized; And outstanding incompressible deformability, namely elasticity has persistence, can ensure that auto parts machinery obtains long-term anti-vibration protected.In addition, because used polyurethane material has good heat resistance, can be used within the scope of various temperature; Can use within the scope of negative 40 to 90 degree centigrade; Use novel matrix material, surface has outstanding wetting property, easily bonding, be easy to make, be convenient to die-cut, foam tape is made to have very high just cohesive force to various material, there is remarkable sealing property, weather resisteant and staticly to support, be applicable to automobile, boats and ships internal and external ornament, seal the fields such as heat insulation.
Accompanying drawing explanation
Fig. 1 is the structural representation of foam tape in the embodiment of the present invention;
Fig. 2 is preparation technology's schema of foam tape in the embodiment of the present invention.
In figure:
1 TPV film 2 tack coat 3 foamed cotton layer 4 pressure-sensitive adhesive layer 5 PE film
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
Foam tape provided by the invention, wherein, comprises hot melt layer, foaming layer, pressure-sensitive adhesive layer and protective layer successively, and described hot melt layer is temperature-sensitive tack coat, and described hot melt layer is bonded in foaming layer surface, and described protective layer covers above pressure-sensitive adhesive layer.
Foam tape provided by the invention, wherein, is provided with First Transition layer between described hot melt layer and foaming layer; The second transition layer is provided with between described pressure-sensitive adhesive layer and foaming layer.The material of described First Transition layer and the second transition layer is that water-based gathers ammonia binding agent, solvent borne gathers ammonia binding agent or acrylic resin binder.
Foam tape provided by the invention, wherein, described hot melt layer is polymer material layer, and described polymer materials is modified polypropene acid resin, modified poly ethylene acid resin or modified rubber resin.
Foam tape provided by the invention, wherein, described foaming layer is polymer material layer, and described polymer materials is one in aqueous polyacrylamide acid resin and waterborne polyurethane resin or its combination.The component that described aqueous polyacrylamide acid resin comprises and weight percent content as follows: water-borne acrylic resin emulsion (80%-95%), froth modifier (1%-10%), thickening material (1%-10%) and mill base (0.1%-2%).The component that described waterborne polyurethane resin comprises and weight percent as follows: aqueous polyurethane emulsion (80%-95%), froth modifier (1%-8%), thickening material (1%-10%) and mill base (0.1%-2%).
Foam tape provided by the invention, wherein, described pressure-sensitive adhesive layer is polymer material layer, and described polymer materials is polyacrylic resin pressure sensitive adhesive or silicone resin pressure sensitive adhesive.Described polyacrylic resin is formed by following component and weight percent content proportioning: acrylic resin (40%-80%), solidifying agent (5%-15%) and solvent (10%-50%), described solvent is acetone, ethyl acetate, benzene, ethylene dichloride or deionized water.
Foam tape provided by the invention, wherein, described protective layer is polymer material layer, and described polymer materials is polypropylene membrane material, polyethylene film material or polyester film material.Described protective layer is coated with organic silicon coating or fluorine resin coating.
Foam tape provided by the invention, its preparation method comprises blade coating foaming layer above hot melt layer, then blade coating pressure-sensitive adhesive layer, then armor coated.Or comprise blade coating foaming layer above hot melt adhesive, above protective layer, then two portions are fit together by blade coating pressure-sensitive adhesive layer.To have the foam tape of First Transition layer and the second transition layer, specifically comprise the steps:
There is provided hot melt layer, blade coating or roller coat First Transition layer on described hot melt layer;
Then blade coating foaming layer again on described First Transition layer, and then blade coating or roller coat second transition layer; Described foaming layer is foamed preferably through whisking machine, the foam multiplying power 180%-200% of described foaming;
There is provided protective layer, blade coating pressure-sensitive adhesive layer on described protective layer;
Finally fit together the foaming layer after process and protective layer formation foam tape; The laminating type of described protective layer and foamed cotton layer is preferably dry doubling.
Foam tape provided by the invention, hot melt layer can select TPV film 1 (Thermoplastic Vulcanizate), and protective layer can select PE film 5 (polyethylene), and described TPV film 1 and foamed cotton layer 3 arrange tack coat 2 as First Transition layer, as shown in Figure 1.The concrete preparation process of above-mentioned foam tape will illustrate by different embodiment:
Embodiment 1
Fig. 2 is preparation technology's schema of foam tape in the embodiment of the present invention.
Refer to Fig. 2, the preparation method of foam tape provided by the invention is as follows:
Step S1, carries out the affine process of urethane to TPV film 1, and TPV film 1 voltage of 300V is carried out corona treatment; By the glue spread of 100 grams/m, the one-component polyurethane water that applicant produces is coated on TPV film, patent No. method disclosed in the patent of invention of 201110381253.4 that described one-component polyurethane glassware for drinking water body is applied for see applicant is produced, and the one-component polyurethane water of described coating is tack coat 2; Then, dry at the temperature of 90 DEG C, drying time is 8 minutes.
Step S2, adds the hydrolysis component of 10%-30% and the froth modifier of 1%-2% successively in aqueous polyurethane emulsion, forms urethane mixed solution; Hydrolysis component, froth modifier, mill base are mixed, uses stirrer stirring at low speed, with viscosity modifier, solution is adjusted to regulation viscosity.
Step S3, PE film is carried out from property process in advance, carries out urethane from property process to described PE film, uses the surface of fluorine resin to described PE film to process, preferably double treatment.
Step S4, under the temperature condition of 100-120 DEG C, makes described urethane mixed solution foam and form foamed cotton layer 3 on TPV film; The urethane mixed solution pipeline mixed up is transported to inside whisking machine, adjustment foam multiplying power 180%.The foam exported by whisking machine is delivered to by pipeline and is coated with above platform, and by the glue spread of 600 grams/m, be coated in by foam on the TPV film handled well, use the temperature of 100-120 DEG C to be dried by foam, drying time is 8 minutes.
Step S5, described foamed cotton layer 3 is coated with pressure sensitive adhesive, and described PE film and polyurethane foam are combined; Before painting pressure sensitive adhesive, pressure sensitive adhesive, tackifier, solvent are stirred together.Pressure sensitive adhesive mixed solution is coated onto on PE film with the glue spread of 100 grams/m.Use the temperature of 90-120 DEG C to dry pressure-sensitive adhesive layer 4, drying time is 3-5 minute; Finally, be attached to by polyurethane foam layer 3 on PE film 5, laminating type is dry doubling.
Step S6, cuts into required width by foam tape.
Embodiment 2
Step S1, carries out the affine process of urethane to TPV film 1, and TPV film 1 voltage of 500V is carried out corona treatment; By the glue spread of 200 grams/m, the one-component polyurethane water that applicant produces is coated on TPV film, patent No. method disclosed in the patent of invention of 201110381253.4 that described one-component polyurethane glassware for drinking water body is applied for see applicant is produced, and the one-component polyurethane water of described coating is tack coat 2; Then, dry at the temperature of 90-120 DEG C, drying time is 8 minutes.
Step S2, adds the hydrolysis component of 10%-30% and the froth modifier of 1%-2% successively in aqueous polyurethane emulsion, forms urethane mixed solution; Hydrolysis component, froth modifier, mill base are mixed, uses stirrer stirring at low speed, with viscosity modifier, solution is adjusted to regulation viscosity.
Step S3, PE film is carried out from property process in advance, carries out urethane from property process to described PE film, uses the surface of fluorine resin to described PE film to process, preferably double treatment.
Step S4, under the temperature condition of 100-120 DEG C, makes described urethane mixed solution foam and form foamed cotton layer 3 on TPV film; The urethane mixed solution pipeline mixed up is transported to inside whisking machine, adjustment foam multiplying power 200%.The foam exported by whisking machine is delivered to by pipeline and is coated with above platform, and by the glue spread of 1000 grams/m, be coated in by foam on the TPV film handled well, use the temperature of 100-120 DEG C to be dried by foam, drying time is 8 minutes.
Step S5, described foamed cotton layer 3 is coated with pressure sensitive adhesive, and described PE film and polyurethane foam are combined; Before painting pressure sensitive adhesive, pressure sensitive adhesive, tackifier, solvent are stirred together.Pressure sensitive adhesive mixed solution is coated onto on PE film with the glue spread of 200 grams/m.Use the temperature of 90-120 DEG C to dry pressure-sensitive adhesive layer 4, drying time is 5 minutes; Finally, be attached to by polyurethane foam layer 3 on PE film 5, laminating type is dry doubling.
Step S6, cuts into required width by foam tape.
Embodiment 3
Step S1, carries out the affine process of urethane to TPV film 1, and TPV film 1 voltage of 400V is carried out corona treatment; By the glue spread of 1500 grams/m, the one-component polyurethane water that applicant produces is coated on TPV film, patent No. method disclosed in the patent of invention of 201110381253.4 that described one-component polyurethane glassware for drinking water body is applied for see applicant is produced, and the one-component polyurethane water of described coating is tack coat 2; Then, dry at the temperature of 90-120 DEG C, drying time is 5-8 minute.
Step S2, adds the hydrolysis component of 10%-30% and the froth modifier of 1%-2% successively in aqueous polyurethane emulsion, forms urethane mixed solution; Hydrolysis component, froth modifier, mill base are mixed, uses stirrer stirring at low speed, with viscosity modifier, solution is adjusted to regulation viscosity.
Step S3, PE film is carried out from property process in advance, carries out urethane from property process to described PE film, uses the surface of fluorine resin to described PE film to process, preferably double treatment.
Step S4, under the temperature condition of 100-120 DEG C, makes described urethane mixed solution foam and form foamed cotton layer 3 on TPV film; The urethane mixed solution pipeline mixed up is transported to inside whisking machine, adjustment foam multiplying power 190%.The foam exported by whisking machine is delivered to by pipeline and is coated with above platform, and by the glue spread of 800 grams/m, be coated in by foam on the TPV film handled well, use the temperature of 100-120 DEG C to be dried by foam, drying time is 5-8 minute.
Step S5, described foamed cotton layer 3 is coated with pressure sensitive adhesive, and described PE film and polyurethane foam are combined; Before painting pressure sensitive adhesive, pressure sensitive adhesive, tackifier, solvent are stirred together.Pressure sensitive adhesive mixed solution is coated onto on PE film with the glue spread of 150 grams/m.Use the temperature of 90-120 DEG C to dry pressure-sensitive adhesive layer 4, drying time is 5 minutes; Finally, be attached to by polyurethane foam layer 3 on PE film 5, laminating type is dry doubling.
Step S6, cuts into required width by foam tape.
The foam tape that the inventive method is produced, there is excellent performance, 90 degree of stripping strengths are 1.5kg/cm, anti-hydrolytic performance is Jungle test (jungle burn-in test) humidity 95 degree of temperature 70 Cs 240 hours, heat resistance be 90 DEG C 240 hours, low temperature resistant-40 DEG C, elongation at break is greater than 400%, tensile strength 2kg/cm.
Although the present invention discloses as above with preferred embodiment; so itself and be not used to limit the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when doing a little amendment and perfect, therefore protection scope of the present invention is when being as the criterion of defining with claims.
Claims (25)
1. a preparation method for foam tape, described foam tape includes TPV film, tack coat, foamed cotton layer, pressure-sensitive adhesive layer and PE film, it is characterized in that, comprises the steps:
A) the affine process of urethane is carried out to described TPV film, at described TPV film surface coated one-component polyurethane water as tack coat;
B) in aqueous polyurethane emulsion, add the hydrolysis component that weight percent is 10%-30% successively and weight percent is the froth modifier of 1%-2%, form urethane mixed solution;
C) urethane is carried out from property process to described PE film;
D) under the temperature condition of 100-120 DEG C, described urethane mixed solution is foamed on TPV film, forms foamed cotton layer;
E) on described foamed cotton layer, be coated with pressure sensitive adhesive, described PE film and polyurethane foam are combined.
2. the preparation method of foam tape as claimed in claim 1, is characterized in that, described step a) described in TPV film first through corona treatment, be then coated with described one-component polyurethane water at TPV film corona surface.
3. the preparation method of foam tape as claimed in claim 1, is characterized in that, described step b) in urethane mixed solution in the middle of whipping process, add appropriate viscosity modifier.
4. the preparation method of foam tape as claimed in claim 1, is characterized in that, described step c) in use fluorine resin to process described PE film surface.
5. the preparation method of foam tape as claimed in claim 4, is characterized in that, uses fluorine resin to process described the two-sided of PE film.
6. the preparation method of foam tape as claimed in claim 1, is characterized in that, described steps d) in urethane mixed solution first foam through whisking machine.
7. the preparation method of the foam tape as described in claim 1 or 6, is characterized in that, the foam multiplying power 180%-200% of described foaming.
8. the preparation method of foam tape as claimed in claim 1, is characterized in that, described step e) in before painting pressure sensitive adhesive by described pressure sensitive adhesive and tackifier and solvent.
9. the preparation method of the foam tape as described in claim 1 or 8, is characterized in that, the laminating type of described PE film and polyurethane foam is dry doubling.
10. a foam tape, is characterized in that, comprises hot melt layer, foaming layer, pressure-sensitive adhesive layer and protective layer successively, and described hot melt layer is temperature-sensitive tack coat, and described hot melt layer is bonded in foaming layer surface, and described protective layer covers above pressure-sensitive adhesive layer.
11. foam tape as claimed in claim 10, is characterized in that, be provided with First Transition layer between described hot melt layer and foaming layer.
12. foam tape as claimed in claim 11, is characterized in that, be provided with the second transition layer between described pressure-sensitive adhesive layer and foaming layer.
13. foam tape as claimed in claim 10, it is characterized in that, described hot melt layer is polymer material layer, and described polymer materials is modified polypropene acid resin, modified poly ethylene acid resin or modified rubber resin.
14. foam tape as claimed in claim 10, it is characterized in that, described foaming layer is polymer material layer, and described polymer materials is the one in aqueous polyacrylamide acid resin and waterborne polyurethane resin or mixed assemblage both it.
15. foam tape as claimed in claim 14, it is characterized in that, described aqueous polyacrylamide acid resin comprises following component: water-borne acrylic resin emulsion (80%-95%), froth modifier (1%-10%), thickening material (1%-10%) and mill base (0.1%-2%).
16. foam tape as claimed in claim 14, it is characterized in that, described waterborne polyurethane resin comprises following component: aqueous polyurethane emulsion (80%-95%), froth modifier (1%-8%), thickening material (1%-10%) and mill base (0.1%-2%).
17. foam tape as claimed in claim 10, it is characterized in that, described pressure-sensitive adhesive layer is polymer material layer, and described polymer materials is polyacrylic resin pressure sensitive adhesive or silicone resin pressure sensitive adhesive.
18. foam tape as claimed in claim 17, it is characterized in that, described polyacrylic resin is formed by acrylic resin (30%-70%), solidifying agent (5%-15%) and solvent (10%-40%), and described solvent is acetone, butanone, ethyl acetate, toluene or deionized water.
19. foam tape as claimed in claim 10, it is characterized in that, described protective layer is polymer material layer, and described polymer materials is polypropylene membrane material, polyethylene film material or polyester film material.
20. foam tape as claimed in claim 19, is characterized in that, described protective layer is coated with organic silicon coating or fluorine resin coating.
21. foam tape as claimed in claim 11, is characterized in that, the material of described First Transition layer is that water-based gathers ammonia binding agent, solvent borne gathers ammonia binding agent or acrylic resin binder.
22. foam tape as claimed in claim 12, is characterized in that, the material of described second transition layer is that water-based gathers ammonia binding agent, solvent borne gathers ammonia binding agent or acrylic resin binder.
The preparation method of 23. 1 kinds of foam tape as claimed in claim 12, is characterized in that, comprises the steps:
There is provided hot melt layer, blade coating or roller coat First Transition layer on described hot melt layer;
Then blade coating foaming layer again on described First Transition layer, and then blade coating or roller coat second transition layer;
There is provided protective layer, blade coating pressure-sensitive adhesive layer on described protective layer;
Finally fit together the foaming layer after process and protective layer formation foam tape.
The preparation method of 24. foam tape as claimed in claim 23, is characterized in that, the laminating type of described protective layer and foamed cotton layer is dry doubling.
The preparation method of 25. foam tape as claimed in claim 23, it is characterized in that, described foaming layer is foamed through whisking machine, and the foam multiplying power of described foaming is 180%-200%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410657256.XA CN104371584B (en) | 2013-11-18 | 2014-11-18 | A kind of foam tape and preparation method thereof |
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| CN201310578049.0A CN103602276A (en) | 2013-11-18 | 2013-11-18 | Production method of foam tape |
| CN2013105780490 | 2013-11-18 | ||
| CN201410657256.XA CN104371584B (en) | 2013-11-18 | 2014-11-18 | A kind of foam tape and preparation method thereof |
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| CN104371584A true CN104371584A (en) | 2015-02-25 |
| CN104371584B CN104371584B (en) | 2017-10-27 |
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| CN201310578049.0A Pending CN103602276A (en) | 2013-11-18 | 2013-11-18 | Production method of foam tape |
| CN201410657256.XA Active CN104371584B (en) | 2013-11-18 | 2014-11-18 | A kind of foam tape and preparation method thereof |
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| CN201310578049.0A Pending CN103602276A (en) | 2013-11-18 | 2013-11-18 | Production method of foam tape |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106398579A (en) * | 2016-11-09 | 2017-02-15 | 宁波启合新材料科技有限公司 | Adhesive tape for processing process protection |
| CN106497446A (en) * | 2016-11-09 | 2017-03-15 | 宁波启合新材料科技有限公司 | A kind of preparation method of adhesive tape |
| CN106497445A (en) * | 2016-11-09 | 2017-03-15 | 宁波启合新材料科技有限公司 | A kind of adhesive tape |
| CN107099017A (en) * | 2017-05-09 | 2017-08-29 | 东莞市普力达光学材料科技有限公司 | High density polyurethane foam and preparation method thereof and foam tape |
| CN107418467A (en) * | 2017-09-11 | 2017-12-01 | 靖江市永盛光电科技有限公司 | A kind of foam tape diaphragm tears off technique |
| CN110607138A (en) * | 2019-05-23 | 2019-12-24 | 南通康尔乐复合材料有限公司 | Preparation process of ultrathin foamed foam |
| CN114231202A (en) * | 2021-12-24 | 2022-03-25 | 常州丰锦塑胶科技有限公司 | Sponge adhesive tape and preparation method thereof |
| CN114872414A (en) * | 2022-02-23 | 2022-08-09 | 潍坊同有新材料科技有限公司 | Polyurethane foam with reinforcing layer and preparation method thereof |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103602276A (en) * | 2013-11-18 | 2014-02-26 | 上海三恩化工有限公司 | Production method of foam tape |
| CN110802792A (en) * | 2019-11-08 | 2020-02-18 | 河南驼人医疗器械集团有限公司 | Preparation method of medical polyurethane foam |
| CN111187579B (en) * | 2020-03-11 | 2022-05-17 | 江阴通利光电科技有限公司 | Production process of foam double-sided adhesive tape |
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| CN101909791A (en) * | 2007-11-09 | 2010-12-08 | Ehc加拿大股份公司 | Film with barrier coating and method of manufacture and of applying film |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106398579A (en) * | 2016-11-09 | 2017-02-15 | 宁波启合新材料科技有限公司 | Adhesive tape for processing process protection |
| CN106497446A (en) * | 2016-11-09 | 2017-03-15 | 宁波启合新材料科技有限公司 | A kind of preparation method of adhesive tape |
| CN106497445A (en) * | 2016-11-09 | 2017-03-15 | 宁波启合新材料科技有限公司 | A kind of adhesive tape |
| CN106398579B (en) * | 2016-11-09 | 2022-06-10 | 宁波启合新材料科技有限公司 | Adhesive tape for process protection |
| CN107099017A (en) * | 2017-05-09 | 2017-08-29 | 东莞市普力达光学材料科技有限公司 | High density polyurethane foam and preparation method thereof and foam tape |
| CN107418467A (en) * | 2017-09-11 | 2017-12-01 | 靖江市永盛光电科技有限公司 | A kind of foam tape diaphragm tears off technique |
| CN110607138A (en) * | 2019-05-23 | 2019-12-24 | 南通康尔乐复合材料有限公司 | Preparation process of ultrathin foamed foam |
| CN114231202A (en) * | 2021-12-24 | 2022-03-25 | 常州丰锦塑胶科技有限公司 | Sponge adhesive tape and preparation method thereof |
| CN114872414A (en) * | 2022-02-23 | 2022-08-09 | 潍坊同有新材料科技有限公司 | Polyurethane foam with reinforcing layer and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104371584B (en) | 2017-10-27 |
| CN103602276A (en) | 2014-02-26 |
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