Double-sided adhesive tape with waterproof and flame-retardant functions and preparation method of double-sided adhesive tape

Abstract

The invention discloses a double-sided adhesive tape with waterproof and flame-retardant functions and a preparation method thereof.The double-sided adhesive tape comprises a double-sided adhesive tape body, the double-sided adhesive tape body comprises a base layer, a flame-retardant layer is arranged on the outer side of the base layer and comprises a flame-retardant coating layer and a chlorinated rubber layer, a waterproof layer is arranged on the inner side of the base layer, and the chlorinated rubber layer is arranged on the outer side of the base layer. The waterproof layer comprises an epichlorohydrin rubber layer and a waterproof coating layer. According to the flame-retardant double-sided adhesive tape, the flame-retardant layer is arranged, the chlorinated rubber layer included in the flame-retardant layer can carry out first-layer flame-retardant protection treatment on the substrate layer, and the flame-retardant coating layer can carry out second-layer flame-retardant protection treatment on the substrate layer after the chlorinated rubber layer is damaged, so that the overall flame retardance of the double-sided adhesive tape is effectively improved; the epichlorohydrin rubber layer can perform first-layer waterproof protection treatment on the substrate layer, and the waterproof coating layer can perform second-layer waterproof protection treatment on the substrate layer after the epichlorohydrin rubber layer is damaged, so that the overall waterproofness of the double-sided adhesive tape is effectively improved.

Description

Technical Field

[0001] The invention relates to the technical field of adhesive tapes, in particular to a double-sided adhesive tape with waterproof and flame retardant functions and a preparation method thereof. Background Art

[0002] Adhesive tape is composed of two parts, a substrate and an adhesive, and is used to connect two or more unconnected objects together through bonding. With the development of the economy and the advancement of science and technology, China has become a major processing and production plant and consumer of the world's adhesive industry. In particular, adhesive tapes, protective films and self-adhesive labels are widely used in electronics, communications, packaging, construction, papermaking, woodworking, aerospace, automobiles, textiles, metallurgy, machinery manufacturing, medical industries, etc. Double-sided tape is a type of tape, but the existing double-sided tape lacks waterproof and flame retardant mechanisms, resulting in poor overall waterproof and flame retardancy, thereby reducing its service life and limiting its scope of use. To this end, we propose a double-sided tape with waterproof and flame retardant functions. Summary of the invention

[0003] The object of the present invention is to provide a double-sided adhesive tape with waterproof and flame retardant functions and a preparation method thereof, so as to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a double-sided tape with waterproof and flame-retardant functions, comprising a double-sided tape body, the double-sided tape body comprising a base layer, a flame-retardant layer is arranged on the outer side of the base layer, and the flame-retardant layer comprises a flame-retardant coating layer and a chlorinated rubber layer, a waterproof layer is arranged on the inner side of the base layer, and the waterproof layer comprises an epichlorohydrin rubber layer and a waterproof coating layer.

[0005] Preferably, the flame retardant coating layer is arranged on the outside of the base layer, and the chlorinated rubber layer is arranged on the outside of the flame retardant coating layer.

[0006] Preferably, the waterproof coating layer is arranged on the inner side of the base layer, and the epichlorohydrin rubber layer is arranged on the inner side of the waterproof coating layer.

[0007] Preferably, the thickness of the flame retardant coating layer and the waterproof coating layer are the same, and the thickness of the epichlorohydrin rubber layer and the chlorinated rubber layer are the same.

[0008] Preferably, an adhesive layer is provided on the inner side of the waterproof layer and the outer side of the flame retardant layer, and a release paper layer is provided on the outer side of the adhesive layer located on the surface of the flame retardant layer.

[0009] Preferably, the material of the base layer is one of cotton paper, PET layer, PVC film, non-woven fabric, foam, acrylic foam or film, and the material of the adhesive layer is one of elastomeric pressure-sensitive adhesive, acrylic pressure-sensitive adhesive or resin pressure-sensitive adhesive.

[0010] Preferably, the flame retardant coating layer is composed of epoxy acrylate, triphenyl phosphate, sodium silicate, talc, calcium carbonate, vinyl acetate emulsion, magnesium hydroxide, isocyanate, sodium methyl siliconate and polyvinyl alcohol, and its components in parts by weight are: epoxy acrylate - part; triphenyl phosphate -; sodium silicate - part; talc - part; calcium carbonate - part; vinyl acetate emulsion - part; magnesium hydroxide - part; isocyanate - part; sodium methyl siliconate - part; polyvinyl alcohol - part.

[0011] Preferably, the waterproof coating layer is composed of paraffin microemulsion, dimethyl silicone oil, asphalt, super absorbent resin, acrylic emulsion, dibutyl o-xylene, styrene-butadiene rubber, polyvinyl acetate and isocyanate, and its components in parts by weight are: paraffin microemulsion - part; dimethyl silicone oil - part; asphalt - part; super absorbent resin - part; acrylic emulsion - part; dibutyl o-xylene - part; styrene-butadiene rubber - part; polyvinyl acetate - part; isocyanate - part.

[0012] A method for preparing a double-sided adhesive tape with waterproof and flame retardant functions comprises the following steps: A. Coating the flame retardant coating layer on the outside of the base layer, and attaching the chlorinated rubber layer on the outside of the flame retardant coating layer; B. Apply the waterproof coating layer on the inner side of the base layer, and stick the epichlorohydrin rubber layer on the inner side of the waterproof coating layer; C. An adhesive layer is coated on the outer side of the chlorinated rubber layer and the inner side of the epichlorohydrin rubber layer, and a release paper layer is arranged on the outer side of the adhesive layer on the surface of the chlorinated rubber layer.

[0013] Compared with the prior art, the present invention has the following beneficial effects: The present invention is provided with a flame retardant layer, wherein the chlorinated rubber layer included in the flame retardant layer can perform a first layer of flame retardant protection treatment on the base layer, and the flame retardant coating layer can perform a second layer of flame retardant protection treatment on the base layer after the chlorinated rubber layer is damaged, thereby effectively improving the overall flame retardancy of the double-sided adhesive tape; and a waterproof layer is provided, wherein the chloroether rubber layer included in the flame retardant layer can perform a first layer of waterproof protection treatment on the base layer, and the waterproof coating layer can perform a second layer of waterproof protection treatment on the base layer after the chloroether rubber layer is damaged, thereby effectively improving the overall waterproofness of the double-sided adhesive tape. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the flame retardant layer structure of the present invention; Figure 3 It is a schematic diagram of the waterproof layer structure of the present invention.

[0015] In the figure: a double-sided tape body 1, a base layer 11, a release paper layer 12, a flame retardant layer 13, a flame retardant coating layer 131, a chlorinated rubber layer 132, a waterproof layer 14, a chloroether rubber layer 141, a waterproof coating layer 142, and an adhesive layer 15. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0018] The double-sided tape body 1, base layer 11, release paper layer 12, flame retardant layer 13, flame retardant coating layer 131, chlorinated rubber layer 132, waterproof layer 14, epichlorohydrin rubber layer 141, waterproof coating layer 142 and adhesive layer 15 components of the present application are all universal standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or through conventional experimental methods.

[0019] See also Figure 1-Figure 3 A double-sided tape with waterproof and flame-retardant functions includes a double-sided tape body 1, the double-sided tape body 1 includes a base layer 11, a flame-retardant layer 13 is arranged on the outer side of the base layer 11, and the flame-retardant layer 13 includes a flame-retardant coating layer 131 and a chlorinated rubber layer 132, the chlorinated rubber layer 132 can perform a first layer of flame-retardant protection treatment on the base layer 11, and the flame-retardant coating layer 131 can perform a second layer of flame-retardant protection treatment on the base layer 11 after the chlorinated rubber layer 132 is damaged, thereby effectively improving the overall flame retardancy of the double-sided tape, a waterproof layer 14 is arranged on the inner side of the base layer 11, and the waterproof layer 14 includes an epichlorohydrin rubber layer 141 and a waterproof coating layer 142, the epichlorohydrin rubber layer 141 can perform a first layer of waterproof protection treatment on the base layer 11, and the waterproof coating layer 142 can perform a second layer of waterproof protection treatment on the base layer 11 after the epichlorohydrin rubber layer 141 is damaged, thereby effectively improving the overall waterproofness of the double-sided tape.

[0020] The flame retardant coating layer 131 is arranged on the outside of the base layer 11, and the chlorinated rubber layer 132 is arranged on the outside of the flame retardant coating layer 131, the waterproof coating layer 142 is arranged on the inside of the base layer 11, and the chloroether rubber layer 141 is arranged on the inside of the waterproof coating layer 142, the flame retardant coating layer 131 and the waterproof coating layer 142 have the same thickness, and the chloroether rubber layer 141 and the chlorinated rubber layer 132 have the same thickness, and the inner side of the waterproof layer 14 and the outer side of the flame retardant layer 13 are both provided with adhesive The adhesive layer 15 is located on the surface of the flame retardant layer 13, and a release paper layer 12 is arranged on the outside thereof. The material of the base layer 11 is one of cotton paper, PET layer, PVC film, non-woven fabric, foam, acrylic foam or film, and the material of the adhesive layer 15 is one of elastomeric pressure-sensitive adhesive, acrylic pressure-sensitive adhesive or resin pressure-sensitive adhesive. The flame retardant coating layer 131 is made of epoxy acrylate, triphenyl phosphate, sodium silicate, talcum powder, calcium carbonate, vinyl acetate emulsion, hydroxide The waterproof coating layer 142 is composed of 50-60 parts of epoxy acrylate, 20-25 parts of triphenyl phosphate, 10-20 parts of sodium silicate, 13-25 parts of talc, 20-40 parts of calcium carbonate, 25-35 parts of vinyl acetate emulsion, 5-10 parts of magnesium hydroxide, 3-6 parts of isocyanate, 2-6 parts of sodium methyl siliconate, and 16-30 parts of polyvinyl alcohol. It is composed of asphalt, highly water-absorbent resin, acrylic emulsion, dibutyl o-xylene, styrene-butadiene rubber, polyvinyl acetate and isocyanate, and its components in parts by weight are: 30-40 parts of paraffin microemulsion; 15-25 parts of dimethyl silicone oil; 29-40 parts of asphalt; 18-25 parts of highly water-absorbent resin; 100-130 parts of acrylic emulsion; 12-14 parts of dibutyl o-xylene; 15-30 parts of styrene-butadiene rubber; 8-15 parts of polyvinyl acetate; and 4-10 parts of isocyanate.

[0021] A method for preparing a double-sided adhesive tape with waterproof and flame retardant functions comprises the following steps: A. coating the flame retardant coating layer 131 on the outer side of the base layer 11, and attaching the chlorinated rubber layer 132 to the outer side of the flame retardant coating layer 131; B. Coating the waterproof coating layer 142 on the inner side of the base layer 11, and attaching the epichlorohydrin rubber layer 141 to the inner side of the waterproof coating layer 142; C. The adhesive layer 15 is coated on the outer side of the chlorinated rubber layer 132 and the inner side of the epichlorohydrin rubber layer 141 , and a release paper layer 12 is disposed on the outer side of the adhesive layer 15 on the surface of the chlorinated rubber layer 132 .

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-sided tape with waterproof and flame retardant functions, comprising a double-sided tape body (1), characterized in that: The double-sided tape body (1) comprises a base layer (11), a flame retardant layer (13) is arranged on the outer side of the base layer (11), and the flame retardant layer (13) comprises a flame retardant coating layer (131) and a chlorinated rubber layer (132), and a waterproof layer (14) is arranged on the inner side of the base layer (11), and the waterproof layer (14) comprises an chloroether rubber layer (141) and a waterproof coating layer (142).

2. The double-sided adhesive tape with waterproof and flame retardant functions according to claim 1, characterized in that: The flame retardant coating layer (131) is arranged on the outside of the base layer (11), and the chlorinated rubber layer (132) is arranged on the outside of the flame retardant coating layer (131).

3. The double-sided adhesive tape with waterproof and flame retardant functions according to claim 1, characterized in that: The waterproof coating layer (142) is arranged on the inner side of the base layer (11), and the epichlorohydrin rubber layer (141) is arranged on the inner side of the waterproof coating layer (142).

4. The double-sided adhesive tape with waterproof and flame retardant functions according to claim 1, characterized in that: The thickness of the flame retardant coating layer (131) and the waterproof coating layer (142) are the same, and the thickness of the epichlorohydrin rubber layer (141) and the chlorinated rubber layer (132) are the same.

5. The double-sided adhesive tape with waterproof and flame retardant functions according to claim 1, characterized in that: An adhesive layer (15) is provided on the inner side of the waterproof layer (14) and the outer side of the flame retardant layer (13), and a release paper layer (12) is provided on the outer side of the adhesive layer (15) located on the surface of the flame retardant layer (13).

6. The double-sided adhesive tape with waterproof and flame retardant functions according to claim 1, characterized in that: The material of the base layer (11) is one of cotton paper, PET layer, PVC film, non-woven fabric, foam, acrylic foam or film, and the material of the adhesive layer (15) is one of elastomeric pressure-sensitive adhesive, acrylic pressure-sensitive adhesive or resin pressure-sensitive adhesive.

7. The double-sided adhesive tape with waterproof and flame retardant functions according to claim 1, characterized in that: The flame retardant coating layer (131) is composed of epoxy acrylate, triphenyl phosphate, sodium silicate, talc, calcium carbonate, vinyl acetate emulsion, magnesium hydroxide, isocyanate, sodium methyl siliconate and polyvinyl alcohol, and its components in parts by weight are: 50-60 parts of epoxy acrylate; 20-25 parts of triphenyl phosphate; 10-20 parts of sodium silicate; 13-25 parts of talc; 20-40 parts of calcium carbonate; 25-35 parts of vinyl acetate emulsion; 5-10 parts of magnesium hydroxide; 3-6 parts of isocyanate; 2-6 parts of sodium methyl siliconate; 16-30 parts of polyvinyl alcohol.

8. The double-sided adhesive tape with waterproof and flame retardant functions according to claim 1, characterized in that: The waterproof coating layer (142) is composed of paraffin microemulsion, dimethyl silicone oil, asphalt, super absorbent resin, acrylic emulsion, dibutyl o-xylene acid ester, styrene butadiene rubber, polyvinyl acetate and isocyanate, and its components in parts by weight are: 30-40 parts of paraffin microemulsion; 15-25 parts of dimethyl silicone oil; 29-40 parts of asphalt; 18-25 parts of super absorbent resin; 100-130 parts of acrylic emulsion; 12-14 parts of dibutyl o-xylene acid ester; 15-30 parts of styrene butadiene rubber; 8-15 parts of polyvinyl acetate; and 4-10 parts of isocyanate.

9. A method for preparing a double-sided adhesive tape with waterproof and flame retardant functions, characterized in that: The following steps are involved: A. coating a flame retardant coating layer (131) on the outer side of the base layer (11), and attaching a chlorinated rubber layer (132) to the outer side of the flame retardant coating layer (131); B. coating the waterproof coating layer (142) on the inner side of the base layer (11), and attaching the epichlorohydrin rubber layer (141) to the inner side of the waterproof coating layer (142); C. An adhesive layer (15) is coated on the outer side of the chlorinated rubber layer (132) and the inner side of the epichlorohydrin rubber layer (141), and a release paper layer (12) is provided on the outer side of the adhesive layer (15) on the surface of the chlorinated rubber layer (132).

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