KR100837861B1 - a hetero good use for adhesive tape and preparing method thereof - Google Patents

Abstract

The present invention relates to a sound-absorbing material for preventing noise from being transmitted through walls and floors of a multi-family house, a release agent composition of a pressure-sensitive adhesive tape to be used and attached to a building wall or floor;

Conventionally, when the paper is attached to one surface of the buffer adhesive tape for the release effect of the buffer adhesive tape in the field, the paper is used as a buffer adhesive tape by removing the release agent;

Alternatively, when constructing the cushioning adhesive tape, the hassle of removing the paper as a release agent and inconvenience in use make it possible to apply a release agent of another material to one side of the buffering adhesive tape for the effect of releasing the buffering tape. There is;

The present invention does not need to separately attach and use the paper, which is the release agent, to the pressure-sensitive adhesive tape, and the release agent of the pressure-sensitive adhesive tape for cushioning is coated with a release agent composed of a composition having excellent mold release effect and improved workability. It is a very useful invention regarding the composition and its preparation method.

Adhesive tape. Sound insulation material, base material, release agent, pressure-sensitive adhesive, hardener.

Description

Release agent composition of a pressure-sensitive adhesive tape and a method for preparing the same {a hetero good use for adhesive tape and preparing method

1 is a flow-sheet showing sequentially the manufacturing process of the pressure-sensitive adhesive tape of the present invention,

2 is a perspective view of a pressure-sensitive adhesive tape of the present invention,

Figure 3 is a perspective view showing a pressure-sensitive adhesive tape with a paper of the prior art.

<Description of Major Symbols in Drawing>

100,100 ': Pressure-sensitive adhesive tape

10,10 ': description

10a: one side 10b: another side

20, 20 ': release layer

30,30 ': adhesive layer

The present invention relates to a sound-absorbing material for preventing noise from being transmitted through walls and floors of a multi-family house, a release agent composition of a pressure-sensitive adhesive tape to be used and attached to a building wall or floor;

In the related art, paper is attached to one surface of the buffer adhesive tape to release the buffer, and when the buffer adhesive tape is installed in the field, the paper is removed and the buffer adhesive tape is used.

Alternatively, when the adhesive pressure-sensitive adhesive tape is constructed, the hassle and inconvenience of using a separate paper to release the release agent, release agent of another material is applied to one surface of the pressure-sensitive adhesive tape for the release effect of the pressure-sensitive adhesive tape Being used;

The present invention does not need to separately attach and use the paper, which is the release agent, to the pressure-sensitive adhesive tape, and the release agent of the pressure-sensitive adhesive tape for cushioning is coated with a release agent composed of a composition having excellent mold release effect and improved workability. It is to provide a composition and a method of manufacturing the same.

As shown in Figure 3, the sound-absorbing material for preventing noise from being transmitted through the wall and the bottom surface of the conventional multi-unit housing, and the adhesive pressure-sensitive adhesive tape (100 '), which is used, attached to the building wall or floor surface,

One surface of the substrate 10 'for releasing effect of the cushioning adhesive tape 100'

The release layer 20 'with the paper which is a release agent adhered to (10a) is formed, and the other surface of the said base material 10'

An adhesive material layer 30 'coated with an adhesive material at 10b;

When constructing the adhesive adhesive tape 100 'in the field, the paper which is a release agent corresponding to the release layer 20' is removed, and the adhesive adhesive tape 100 'is constructed and used,

There is a problem in that the work hassle to remove the release agent paper, and the living pollution such as waste of resources due to the use of the release agent paper, and generation of garbage due to the removed release agent paper.

In addition, to improve the above problems, a release agent using only the silicone for the release effect of the pressure-sensitive adhesive tape is applied to one surface of the pressure-sensitive adhesive tape,

In addition, the use of the silicon alone as the main material did not bring a satisfactory release effect due to its material properties, and in particular, the silicone release agent was not smoothly applied to one surface of the adhesive tape and hardened, thereby reducing workability. The problem is occurring.

The present invention has been made in order to solve the above problems, there is no need to attach and use a paper, which is a release agent used in the conventional pressure-sensitive adhesive tape to the pressure-sensitive adhesive tape,

Particularly, the object of the present invention is to provide a release agent composition of a pressure-sensitive adhesive tape and a method for producing the same, wherein the release agent has a superior release effect and is applied with a release agent composed of a composition having improved workability when used in comparison with a release agent made of paper or other materials. And it is set as the technical subject which this invention achieves.

In order to achieve the above object, the composition of the release agent used in the present invention buffer adhesive tape;

The total composition of the release agent;

100 parts by weight of a polymer mixed composition composed of 3.0 to 5.0% by weight of polyvinyl chloride (P.V.C) or polypropylene (P.P) as a polymer and 95 to 97% by weight of toluene as a solvent, and a solid content of 3.0 to 5.0%;

Per 100 parts by weight of the polymer mixture composition,

2.0 to 14 parts by weight of silicone as a release agent;

As a catalyst for the reaction, 0.05 to 1.0 parts by weight of a platinum-based catalyst;

As a curing agent for curing, 0.01 to 0.3 parts by weight of an isocyanate-based or epoxy-based curing agent is prepared;

0.1 to 1.0 wt% of crosslinker polyethylene (Crosslinker P.E), which is a crosslinking polymer, is added to 15 to 30 wt% of the primary mixed composition;

69.9 to 84% by weight of a solvent, toluene or heptane, is added, and the entire composition of the release agent of the adhesive pressure-sensitive adhesive tape of the present invention is made.

In the polymer mixed composition used in the present invention, 3.0 to 5.0% of the polyvinyl chloride (PVC) or polypropylene (PP), which is a polymer, is contained in 95 to 97% by weight of toluene as a solvent. The polymer is reacted with and bonded to the silicone, which is a release agent, so that it is used for further improving the release effect when applying the composition of the present invention to a substrate;

Silicone, the release agent, is used in an amount of 2.0 to 14 parts by weight based on 100 parts by weight of the polymer mixture composition for use for a release effect of the substrate;

The catalyst is for controlling the reaction rate of the polymer mixed composition and silicon, 0.02 to 0.1 parts by weight of a platinum-based catalyst in the state where platinum is added to the metal oxide, based on 100 parts by weight of the polymer mixed composition;

The curing agent is used for the curing effect of the composition of the present invention, is one or more than one isocyanate-based TDI (toluene diisocyanate) or epoxy-based polyamine, polyamide, polysulfide is mixed, the polymer mixture composition With respect to 100 parts by weight, 0.01 to 0.05 parts by weight is used, preferably the TDI

0.01 to 0.05 parts by weight of (toluene diisocyanate) is used to form a primary mixed composition of the present invention;

To the primary mixed composition, based on 15 to 30% by weight of the primary mixed composition, 0.1 to 1.0% by weight of crosslinker polyethylene (Crosslinker PE), which is a crosslinking polymer, is added to increase the binding force due to the crosslinking of the composition of the present invention, and ;

69.9 to 84% by weight of a solvent, toluene or heptane, is added to form the entire composition of the release agent of the pressure-sensitive adhesive tape of the present invention.

In addition, when the component of the pressure-sensitive adhesive that is attached to the base material is a pressure-sensitive adhesive made of natural rubber, 15 to 30% by weight of the primary mixed composition, which is the composition, 0.1 to 1.0% by weight of crosslinked polyethylene (Crosslinker PE), which is a crosslinked polymer, and , Toluene (Helutane) or heptane (Heptane) 69.9 to 84% by weight of the composition, the release agent of the pressure-sensitive adhesive tape of the present invention is prepared;

When the component of the pressure-sensitive adhesive adhered to the base material is an acrylic pressure-sensitive adhesive, in order to secure the flexibility of the base material due to the intrinsic properties of the acryl, 10 to 20 wt% of the primary mixed composition and a crosslinked polyethylene which is a crosslinked polymer (Crosslinker PE) 0.1 to 1.0% by weight, and 79.9 to 89% by weight of a solvent, toluene or heptane, a release agent of the buffer adhesive tape of the present invention is formed.

If necessary, polyvinyl chloride (P.V.C) or polypropylene (P.P), which is a polymer of the polymer mixed composition, may be replaced with polyethylene (P.E) or polyurethane (PU).

Hereinafter, the manufacturing method for the release agent composition of the pressure-sensitive adhesive tape for buffering of the present invention is specified.

1 is a FLOW-SHEET sequentially illustrating a manufacturing process of a release agent composition of a pressure-sensitive adhesive tape of the present invention,

2 is a perspective view of the pressure-sensitive adhesive tape of the present invention.

As shown in Figure 1 and 2, the release agent composition used in the pressure-sensitive adhesive tape of the present invention is prepared in the following manufacturing steps.

S 1 step; Creating a first mixed composition;

1) 95 to 97% by weight of solvent toluene and 3.0 to 5.0% by weight of polymer polyvinyl chloride (PVC) or polypropylene (PP) are added to the stirrer at room temperature for 10 to 15 minutes at 700 to 850 RPM. Stirring produces a polymer mixed composition of 3.0-5.0% solids.

2) with respect to 100 parts by weight of the polymer mixed composition,

As a subsidiary material, 2.0-14 weight part of silicone which is a mold release agent;

As a catalyst for the reaction, 0.05 to 1.0 parts by weight of a platinum-based catalyst;

As a curing agent for curing, 0.01 to 0.3 parts by weight of an isocyanate-based or epoxy-based curing agent is added to a stirrer and stirred for 10 to 20 minutes at 700 to 850 RPM at room temperature, thereby producing a primary mixed composition of the present invention.

S 2 step; Creating a release agent composition;

-The adhesive is made of natural rubber;

To 15 to 30% by weight of the primary mixed composition, 0.1 to 1.0% by weight of crosslinked polyethylene (Crosslinker PE), which is a crosslinking polymer, is added and stirred at 700 to 850 RPM at room temperature for 3 to 5 minutes, and then at room temperature for 1 to 2 hours. After being left to increase the binding force due to crosslinking of the composition of the present invention,

A solvent, 69.9 to 84% by weight of toluene or heptane, is added and stirred for 2 to 3 minutes to prepare a release agent for use in the final pressure-sensitive adhesive tape of the present invention.

The adhesive is acrylic;

To 10 to 20% by weight of the primary mixed composition, 0.1 to 1.0% by weight of crosslinker polyethylene (Crosslinker PE), which is a crosslinking polymer, is added and stirred at 700 to 850 RPM at room temperature for 3 to 5 minutes, and then at room temperature for 1 to 2 hours. After being left to increase the binding force due to crosslinking of the composition of the present invention,

A solvent, 79.9 to 89% by weight of toluene or Heptane, is added and stirred for 2 to 3 minutes to prepare a release agent for use in the final adhesive pressure-sensitive adhesive tape of the present invention.

S 3 step; Forming a release layer on one surface of the adhesive tape;

The release agent is sprayed on one surface of the substrate 10 at a pressure of 0.5 to 1 kg / cm 2 with an injector, or applied with an applicator, and left at room temperature for 24 hours to mature, and the release agent of the present invention is sprayed on one surface 10a of the substrate. Or the adhesive tape 100 in which the applied release layer 20 was formed is manufactured.

S 4 step; Forming an adhesive layer on the other surface of the adhesive tape;

On the other surface 10b of the pressure-sensitive adhesive tape base material 10 on which the release layer 20 was formed, the pressure-sensitive adhesive layer 30 coated with a pressure-sensitive adhesive was formed, and the release layer 20 using the mold release agent of the present invention was a substrate ( The pressure-sensitive adhesive layer 20 formed on one surface 10a of 10) and the pressure-sensitive adhesive is applied to the other surface of the substrate 10

The pressure-sensitive adhesive tape 100 formed on the 10b is manufactured.

In addition, if necessary, in the preparation step, the content of the silicon constituting the primary mixed composition of step S1 is 250 to 350 parts by weight based on 100 parts by weight of the polymer mixed composition,

Toluene or heptane, which is the solvent of the S 2 step, may be prepared in the form of a GELized release agent (eg, an ointment) of 75 to 90% of solids without addition of toluene or heptane.

Hereinafter, the present invention will be described in more detail with reference to examples of the present invention.

Examples 1 to 2, the pressure-sensitive adhesive tape with a release agent prepared by the production method of the present invention in a composition ratio (content: weight%) as shown in Table 1;

Comparative Example 1 is a pressure-sensitive adhesive tape to which paper is attached as a release agent, Comparative Example 2 is a pressure-sensitive adhesive tape that is a commercial product on which a release agent is formed at a composition ratio (content:% by weight) as shown in Table 2;

The analysis results of the main physical properties of Examples 1 to 2 and Comparative Examples 1 and 2 are shown in Table 3.

Unit: weight% ingredient Example 1 Example 2 Primary Mixed Composition 20 15 Crosslinking P.E 1.0 1.0 solvent 79 84

Unit: weight% ingredient Comparative Example 2 silicon 100

Example 1

97% by weight of toluene as a solvent in the stirrer and polyvinyl chloride as a polymer

3.0 wt% was added, stirred at 700 to 850 RPM for 15 minutes at room temperature, and then a polymer mixed composition having a solid content of 3.0% was produced. Then, 14 parts by weight of silicon, 1.0 part by weight of a platinum-based catalyst, and 100 parts by weight of the polymer mixed composition were prepared. , 0.2 parts by weight of TDI, an isocyanate-based curing agent, was added to a stirrer and stirred at 750 RPM for 15 minutes at room temperature, thereby producing a first mixed composition of the present invention;

To 20 wt% of the primary mixed composition, 1.0 wt% of crosslinked polyethylene, which is a crosslinked polymer, was added thereto, stirred at 750 RPM for 3 minutes at room temperature, and left at room temperature for 2 hours.

A solvent, 79% by weight of toluene was added and stirred for 3 minutes to prepare a release agent for use in the pressure-sensitive adhesive tape of the present invention;

The release agent was applied to one side of the adhesive tape substrate with a thickness of 0.5 mm, left at room temperature for 24 hours, and aged. Then, a 0.8 mm thick natural rubber adhesive was applied to the other surface of the substrate to prepare a buffer adhesive tape as a final product of the present invention. .

Example 2

In the composition of Example 2 as shown in Table 1, the release agent was prepared by the same manufacturing method as in Example 1, and the release agent was applied to one surface of the adhesive tape base material with a thickness of 0.5 mm, and left at room temperature for 24 hours to mature. An acrylic pressure-sensitive adhesive having a thickness of 0.8 mm was applied to the other side of the substrate to prepare a pressure-sensitive adhesive tape for the final product of the present invention.

Comparative Example 1

As a mold release agent, a pressure-sensitive adhesive tape, which is a commercial distribution product, to which paper was attached and an acrylic adhesive was applied, was obtained.

Comparative Example 2

As a mold release agent, 100% of silicone was used and a buffer adhesive tape, a commercially available product coated with an acrylic adhesive, was obtained.

- Test Methods

[Releasability Test Method]

Visually determine the release property of the substrate when the adhesive tape is rolled and rolled out.

[Exterior test method]

Visually judge the appearance of the substrate when the adhesive tape is rolled and rolled out.

[Test of whether live pollution occurs]

Determination of Household Waste from Release Agent

[Workability Test Method]

Determination of household waste caused by the release agent, and judgment of the state at the time of installation on the sound insulation material and wall

Properties Example 1 Example 2 Comparative Example 1 Comparative Example 2 Dysplasia Great Great Good Defective release due to surface breakage Exterior Good Good Good Bad Livelihood pollution Does not occur Does not occur Generation of paper waste that is a release agent Does not occur Workability Great Great Lowering usually

As can be seen in Table 3, Example 1 (parts of natural rubber as an adhesive) and Example 2 (parts of acrylic as an adhesive), which is a pressure-sensitive adhesive tape prepared by the release agent of the present invention composition and a method of manufacturing the same In all, the releasability was shown to be excellent;

Product appearance was also good, in particular, the formation of the release agent of the present invention is not the need to use a separate release agent paper because it does not generate household waste is the most excellent, thereby it was proved that its workability is also excellent;

In Comparative Example 1 in which paper was used as a release agent on the market, the release property was good, but since the paper, which is a release agent, was to be removed separately, problems such as generation of household waste and waste of resources and workability were deteriorated.

In Comparative Example 2 using only silicone as a releasing agent on the market, when the adhesive tape coated with silicone, which is a releasing agent, was rolled out and unfolded, the surface of the substrate was damaged, and the mold release property and the product appearance were also poor due to the surface of the substrate. It turns out that there is a problem.

As described above, the present invention is as described above and the method for producing the same;

It is not necessary to separately attach and use paper which is a release agent used in the conventional pressure-sensitive adhesive tape to the pressure-sensitive adhesive tape;

In particular, when used in comparison with a release agent made of paper or silicone material alone, the release effect is excellent and the workability is improved.

The use of paper, which is a conventional release agent, is a very useful invention in which resource saving and household waste are not generated.

Claims (5)

In the release agent composition used for the adhesive adhesive tape; 100 parts by weight of a polymer mixed composition composed of 3.0 to 5.0% by weight of polyvinyl chloride (P.V.C) or polypropylene (P.P) as a polymer and 95 to 97% by weight of toluene as a solvent, and a solid content of 3.0 to 5.0%; Per 100 parts by weight of the polymer mixture composition, 2.0 to 14 parts by weight of silicone as a release agent; As a catalyst for the reaction, 0.05 to 1.0 parts by weight of a platinum-based catalyst; As a curing agent for curing, 0.01 to 0.3 parts by weight of an isocyanate-based or epoxy-based curing agent is prepared; 0.1 to 1.0 wt% of crosslinker polyethylene (Crosslinker P.E), which is a crosslinking polymer, is added to 15 to 30 wt% of the primary mixed composition; Release agent composition of a pressure-sensitive adhesive tape, characterized in that the composition is composed of 69.9 to 84% by weight of a solvent, toluene or heptane. The release agent composition of the pressure-sensitive adhesive tape according to claim 1, wherein one or more kinds of the polyamine, polyamide, and polysulfide of TDI (toluene diisocyanate) which is an isocyanate type or an epoxy type are used. delete delete delete

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