Multi-purpose composite membrane with high breakage strength and high peel strength and preparation method and use thereof

Abstract

The present invention provides a multi-purpose composite membrane with high breakage strength and peel strength and preparation method and use thereof, and relates to the technical field of shoemaking material preparation. The preparation method of the multi-purpose composite membrane with high breakage strength and peel strength comprises the following steps: (1) processing layer preparation; (2) functional layer preparation; (3) functional composite layer preparation; (4) resin layer preparation; and (5) composite membrane preparation. In the present invention, the composite membrane containing the substrate layer, the pattern design base layer, the resin layer and the texture fabric made by the foregoing five steps has good high and low temperature flexural resistance, low temperature fracture resistance, high strip forces and high delay wash times.

Claims

1. A preparation method of a multi-purpose composite membrane with high breakage strength and peel strength, comprising the following steps: (1) Processing layer preparation: coating an adhesive layer over a surface of a first base layer, and obtaining the processing layer; (2) Functional layer preparation: coating a second base layer over a surface of the adhesive layer by lamination technologies, cutting the second base layer to be a waste base layer and a pattern design base layer by cutting technologies, stripping off the waste base layer and obtaining the functional layer; (3) Functional composite layer preparation: coating a substrate layer over a surface of the pattern design base layer of the functional layer by heat press lamination technologies, stripping the first base layer and the adhesive layer from the surface of the pattern design base layer and obtaining the functional composite layer; (4) Resin layer preparation: coating resin over a surface of a side of a texture fabric with textures and obtaining the resin layer; and (5) Composite membrane preparation: binding the pattern design base layer in the functional composite layer and the resin in the resin layer by heat press lamination technologies and obtaining the composite membrane.

2. The preparation method of a multi-purpose composite membrane with high breakage strength and peel strength according to claim 1, wherein after the step (5), the preparation method further comprises: laminating by heat press lamination technologies the substrate layer of the composite membrane with a base cloth and obtaining a base cloth containing composite membrane.

3. The preparation method of a multi-purpose composite membrane with high breakage strength and peel strength according to claim 1, wherein, in the step (2), after coating a second base layer over the surface of the adhesive layer by laminating technologies, the preparation method further comprising: coating a colored resin layer over a surface of the second base layer, cutting the second base layer coated with the colored resin layer to be the waste base layer and the pattern design base layer, stripping off the waste base layer and obtaining a colored functional layer.

4. The preparation method of a multi-purpose composite membrane with high breakage strength and peel strength according to claim 3, wherein after coating the colored resin layer over the surface of the second base layer, the preparation method further comprising: coating a third base layer on a surface of the colored resin layer, stripping off the third base layer, cutting the second base layer coated with the colored resin layer to be the waste base layer and the pattern design base layer by cutting technologies, stripping off the waste base layer and obtaining the colored functional layer.

5. The preparation method of a multi-purpose composite membrane with high breakage strength and peel strength according to claim 1, wherein in the step (1), after coating evenly the adhesive layer over the surface of the first base layer, the preparation method further comprising: coating a fourth base layer on a surface of the adhesive layer, stripping the fourth base layer and obtaining the processing layer.

6. The preparation method of a multi-purpose composite membrane with high breakage strength and peel strength according to claim 1, wherein the step (3) coating the substrate layer over the surface of the pattern design base layer of the functional layer by heat press laminating technologies comprises any of the following (a) to (c): (a) Directly laminating the substrate layer over the surface of the pattern design base layer of the functional layer by heat press lamination technologies; (b) Coating resin over the surface of the substrate layer, laminating a side of the substrate layer coated with resin with the surface of the pattern design base layer of the functional layer by heat press lamination technologies; or (c) Coating resin over the surface of the pattern design base layer of the functional layer and coating the substrate layer directing over the surface of the pattern design bas layer coated with resin by heat press lamination technologies.

7. The preparation method of a multi-purpose composite membrane with high breakage strength and peel strength according to claim 1, wherein in the step (1) the first base layer comprises at least one of PET, PP, PC, PVC, PE, OPP, TPU, PU, TPE, EVA, TPEE, PA, PPS, PI, ABS, PMMA, latex, rubber, organic silicon rubber, metallic membranes, paper, artificial leather, artificial leather base cloth, animal furs, bark, fibrous membranes, unwoven cloth and woven cloth.

8. The preparation method of a multi-purpose composite membrane with high breakage strength and peel strength according to claim 1, wherein in the step (1), the adhesive layer comprises one of a general super strong bonding agent, a general strong bonding agent, a strong bonding agent for chilled food, a general re-release adhesive, and a fiber re-release adhesive.

9. The preparation method of a multi-purpose composite membrane with high breakage strength and peel strength according to claim 1, wherein in the step (2), the second base layer comprises at least one of blue violet gradient films, laser films, electroplating films, reflective membranes, glass microballoons, microprisms, lenticules, perm-selective membranes, antireflection coatings, colored films, gradient rainbow films, luminous films, metallic films, animal furs, barks, fiber membranes, artificial leather, unwoven cloth and woven cloth.

10. The preparation method of a multi-purpose composite membrane with high breakage strength and peel strength according to claim 4, wherein in the step (2), the second base layer is at least one of PET, PP, PC, PVC, PE, OPP, TPU, PU, TPE, TPEE, PA, PPS, PI, ABS, PMMA, EVA, latex, rubber, organic silicon rubber, metallic membranes, paper, artificial leather, artificial leather bas cloth, animal furs, bark, fibrous membranes, unwoven cloth and woven cloth.

11. The preparation method of a multi-purpose composite membrane with high breakage strength and peel strength according to claim 5, wherein in the step (1), the fourth base layer is at least one of PET, PP, PC, PVC, PE, OPP, TPU, PU, TPE, TPEE, PA, PPS, PI, ABS, PMMA, EVA, latex, rubber, organic silicon rubber, metallic membranes, paper, artificial leather, artificial leather base cloth, animal furs, bark, fibrous membranes, unwoven cloth and woven cloth.

12. The preparation method of a multi-purpose composite membrane with high breakage strength and peel strength according to claim 1, wherein in the step (2), the cutting technologies comprise at least one of cross cutting, plane cutting, rolling cutting, laser engraving, die cutting, high frequency cutting, common cutting and common engraving.

13. The preparation method of a multi-purpose composite membrane with high breakage strength and peel strength according to claim 1, wherein in the step (3), the substrate layer is at least one of PET, PP, PC, PVC, PE, OPP, TPU, PU, TPE, TPEE, PA, PPS, PI, ABS, PMMA, EVA, latex, rubber, organic silicon rubber, metallic membranes, paper, artificial leather, artificial leather bas cloth, animal furs, bark, fibrous membranes, unwoven cloth and woven cloth.

14. The preparation method of a multi-purpose composite membrane with high breakage strength and peel strength according to claim 1, wherein in the step (4), the resin layer comprises at least one of high temperature resin and low temperature resin.

15. The preparation method of a multi-purpose composite membrane with high breakage strength and peel strength according to claim 14, wherein the step (4) specifically comprises: coating high temperature resin over a surface at a side of the texture fabric and coating the low temperature resin over a surface of the high temperature resin.

16. The preparation method of a multi-purpose composite membrane with high breakage strength and peel strength according to claim 2, wherein the base cloth is at least one of artificial leather, artificial leather base cloth, animal furs, bark, rubber, organic silicon rubber, latex, paper, fibrous membranes, metallic membranes, fiber cloth, fiberglass cloth, looped fabric, woven fabric, weaved cloth and non-woven cloth.

17. A multi-purpose composite membrane with high breakage strength and peel strength obtained by the preparation method as defined in claim 1.

18. Use of the multi-purpose composite membrane with high breakage strength and peel strength as defined in claim 17 in making shoemaking materials, clothes, cases and bags, seats, sofas, wall clothes, wall paper, carpets, curtains and car covers.

Description

BRIEF DESCRIPTION OF DRAWINGS

[0025] FIG. 1 is a flowchart diagram showing preparation of the composite membrane according to an embodiment 1 of the present invention;

[0026] FIG. 2 is a flowchart diagram showing preparation of the processing layer in the step (1) of the embodiment 1 of the present invention;

[0027] FIG. 3 is a flowchart diagram showing preparation of the functional layer in the step (2) of the embodiment 1 of the present invention;

[0028] FIG. 4 is a flowchart diagram showing preparation of the functional composite layer in the step (3) of the embodiment 1 of the present invention;

[0029] FIG. 5 is a diagram showing cross cutting processes in the step (2), separation and binding processes in the step (3) of the embodiment 1 of the present invention;

[0030] FIG. 6 is a flowchart diagram showing the resin layer in the step (4) of the embodiment 1 of the present invention;

[0031] FIG. 7 is a flowchart diagram showing preparation of the composite membrane in the step (5) of the embodiment 1 of the present invention;

[0032] FIG. 8 is a flowchart diagram showing preparation of the resin layer in the step (4) of an embodiment 2 of the present invention;

[0033] FIG. 9 is a flowchart diagram showing preparation of the composite membrane containing the base cloth according to an embodiment 3 of the present invention;

[0034] FIG. 10 is a flowchart diagram showing preparation of the functional layer in the step (2) of an embodiment 4 of the present invention;

[0035] FIG. 11 is a flowchart diagram showing preparation of the functional layer in the step (2) of an embodiment 5 of the present invention;

[0036] FIG. 12 is a flowchart diagram showing preparation of the processing layer in the step (1) of an embodiment 8 of the present invention;

[0037] In the drawings: 1—pattern design base layer; and 2—waste base layer.

EMBODIMENTS

[0038] To better illustrate purposes, technical solutions and advantages of the present invention, hereafter the present invention will be further described with some embodiments.

Embodiment 1

[0039] In the present embodiment, the preparation method of the multi-purpose composite membrane comprises the following steps:

(1) Processing layer preparation (as shown in FIG. 2): coating evenly an adhesive layer over a surface of a first base layer, binding a second base layer to a surface of the adhesive layer and obtaining the processing layer, wherein, the first base layer is PET, the adhesive layer is methyl acrylate, and the second base layer comprises PP paper;
(2) Functional layer preparation (as shown in FIG. 3 and FIG. 5): stripping the second base layer of the processing layer off, binding the second base layer on the surface of the adhesive layer by binding technologies, cutting the second base layer to be a waste base layer and a pattern design base layer by cutting technologies, stripping the waste base layer off and obtaining the functional layer, wherein, the second base layer is a rainbow film, the cross cutting technology is plane cutting, and it shall be noted that, in the present step, the waste base layer and the pattern design base layer remain on the same plane after cross cutting;
(3) Functional composite layer preparation (as shown in FIG. 4 and FIG. 5): binding a substrate layer directly to a surface of the pattern design base layer of the functional layer by heat press lamination technologies, stripping the first bas layer and the adhesive layer from the pattern design base layer and obtaining the functional composite layer, wherein the substrate layer is EVA;
(4) Resin layer preparation (as shown in FIG. 6): coating resin over a surface of a side of a texture fabric with textures and obtaining the resin layer, wherein the resin is PU low temperature resin; and
(5) Composite membrane preparation (as shown in FIG. 7): laminating the pattern design base layer in the functional composite layer and the resin in the resin layer by heat press lamination technologies and obtaining the composite membrane.

Embodiment 2

[0040] The preparation method of the multi-purpose composite membrane in the present embodiment is basically the same as the embodiment 1, and the only difference is that: as shown in FIG. 8, in the step (4) of the present embodiment, first high temperature resin is coated over the surface of the side of the texture fabric and low temperature resin is coated on a surface of the high temperature resin.

Embodiment 3

[0041] The preparation method of the multi-purpose composite membrane in the present embodiment is basically the same as the embodiment 2, and the only difference is that: as shown in FIG. 9, after the step (5), the preparation method further comprises: laminating the substrate layer of the composite membrane and a base cloth and obtaining a composite membrane containing the base cloth.

Embodiment 4

[0042] The preparation method of the multi-purpose composite membrane in the present embodiment is basically the same as the embodiment 2, and the only difference is that: as shown in FIG. 10, in the step (2), after coating the second base layer on the surface of the adhesive layer by heat press lamination technologies, the preparation method further comprises: coating a colored resin layer on a surface of the second base layer, cutting the second base layer containing the colored resin layer to be a waste base layer and a pattern design base layer by cutting technologies, stripping off the waste base layer and obtaining a colored functional layer.

Embodiment 5

[0043] The preparation method of the multi-purpose composite membrane according to the present embodiment is basically the same as the embodiment 4, the only difference is that: as shown in FIG. 11, in the step (2), after coating the colored resin layer over the surface of the second base layer, the preparation method further comprises: coating a fourth base layer over a surface of the colored resin layer, stripping the fourth base layer off, cutting the second base layer containing the colored resin layer to be a waste base layer and a pattern design base layer by cutting technologies, stripping the waste base layer off and obtaining a colored functional layer.

Embodiment 6

[0044] The preparation method of the multi-purpose composite membrane according to the present embodiment is basically the same as the embodiment 1, the only difference is that: in the step (3) functional composite layer preparation comprises specifically: coating resin over a surface of the substrate layer, and laminating a side of the substrate layer coated with resin and the pattern design base layer in the functional layer by heat press lamination technologies.

Embodiment 7

[0045] The preparation method of the multi-purpose composite membrane in the present embodiment is basically the same as the embodiment 1, the only difference is that: in the step (3) the functional composite layer preparation comprises specifically: coating resin over a surface of the pattern design base layer of the functional layer and laminating the surface of the pattern design base layer coated with resin directly on the substrate layer by heat press lamination technologies.

Embodiment 8

[0046] The preparation method of the multi-purpose composite membrane according to the present embodiment is basically the same as the embodiment 1, the only difference is that: as shown in FIG. 12, in the step (1) processing layer preparation comprises specifically: coating resin over a surface of the pattern design base layer of the functional layer, and laminating the substrate layer directly over the surface of the pattern design base layer coated with resin by heat press laminating technologies.

Comparative Example 1

[0047] The membrane material in the present comparative example is a common commercial product, bought from Shenzhen Meishengda Packaging Material Co., Ltd., and the model no. is ASCG-PET;

[0048] The membrane material in the present comparative example contains only a layer, and the layer is made from any one of color films, laser films, electroplated films, reflective membranes, rainbow gradient films, luminous films and plant fiber environmental friendly films.

Comparative Example 2

[0049] The membrane material in the present comparative example is a common commercial product, bought from Meiyike New Material Technology Co., Ltd., with a model name of YK-CHM.2;

[0050] The membrane material in the present comparative example contains two layers, the first layer is any one of color films, laser films, electroplated films, reflective membranes, rainbow gradient films, luminous films and plant fiber environmental friendly films; and the second one is any one of TPE, EVA, TPE, PU, silica gel, PP, PVC, PE and PET, and the first layer and the second layer are laminated together by heat press lamination technologies.

[0051] Performance test is done as per the following table 1 to the products obtained in the embodiments of the present invention and the comparative examples

TABLE-US-00001 TABLE 1 performance test method Test item Test instrument Test standard Acceptance standard Normal temperature flex Normal temperature flexural TBJC-1 leather flexural 60,000 times tester (bending angle strength testing method 22.5 ± 0.5°) Low temperature flex Normal temperature flexural 40,000 times (−15° C. ± 1° C.) tester (bending angle 22.5 ± 0.5°) Low temperature fracture Low temperature flexural TBJC-9 low temperature 60,000 times (−15° C. ± 1° C.) tester (flexometer fixture flexural testing method 40 ± 1° V-shaped) of vamps Coating strip force Tensile testing machine GB/T 4689-1996 24 N/cm Screen printing strip force Tensile testing machine Leather-Determination 24 N/cm Laminated screen cloth Tensile testing machine of adhesion of finish 24 N/cm strip force Delay wash Automatic shrinkage washer GB/T 8629-2017 textile No delamination after washing for 25 times

[0052] Performance test results of the products obtained in the embodiments of the present invention and the comparative examples are shown in the following table 2.

TABLE-US-00002 TABLE 2 performance test results of the products in the embodiments 1-8 and the comparative examples 1-2 Test Emb. Emb. Emb. Emb. Emb. Emb. Emb. Emb. Comp. Comp. item Unit 1 2 3 4 5 6 7 8 eg. 1 eg. 2 Normal Ten 6 8 8 8 8 6 6 6 4 3 Temp. thousand flex times Low Ten 5 6 6 6 6 6 6 5 4 3 temp. thousand flex times Low Ten 6 8 8 8 8 7 7 6 5 4 temp. thousand frac. times coating N/cm 41.1 41.6 42.5 42.2 42.3 42.1 42.2 41.3 23.5 12.5 strip force Screen N/cm 37.5 38.9 39 39 39.1 37.3 38.3 37.6 12.8 19.6 printing strip force Screen N/cm 31.3 32.5 32.6 32.6 32.4 32.3 31.6 32.1 20.3 18.5 cloth strip force Delay time 28 29 30 30 30 28 28 28 12 18 wash results — pass pass pass pass pass pass pass pass fail fail

[0053] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit the protection scope of the present invention. Although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that, the technical solutions of the present invention may be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention.