KR102044352B1 - Non-slip waterproof flooring materials and construction method thereof using high elastic high tensile strength pmma resin - Google Patents

Abstract

The present invention relates to a non-slip waterproof flooring composition using a high elastic high tensile strength polymethly methacrylate (PMMA) resin and a construction method thereof. The non-slip waterproof flooring composition comprises: a high elastic high tensile strength PMMA resin composition; butyl acrylate (BA); alkyl quaternary ammonium bentonite; an iron oxide pigment; calcium carbonate (CaCO_3); sand of 0.3 to 0.7 mm particle size; and n,n-dimethyl-p-toluidine (DMPT).

Description

Non-slip waterproof flooring composition using high elastic high tensile strength PMMA resin and construction method thereof {NON-SLIP WATERPROOF FLOORING MATERIALS AND CONSTRUCTION METHOD THEREOF USING HIGH ELASTIC HIGH TENSILE STRENGTH PMMA RESIN}

The present invention relates to a non-slip waterproof flooring composition using a high modulus high tensile strength PMMA resin and a construction method thereof, and more particularly, to a non-slip waterproof flooring material which can be cured at room temperature and provides high elasticity and high tensile strength to meet international standards. The present invention relates to a non-slip waterproof flooring composition and a method for constructing the same, using a highly elastic high tensile strength PMMA resin capable of producing a tensile strength greater than or equal to a set value and a tensile strength greater than or equal to a set value.

In general, flooring materials are sheets, floorboards, tiles, etc., which are mainly used for finishing the floor of buildings, houses, etc., and provide a sanitary space by blocking dust and cold from the cement floor, and various patterns are printed. According to the customer's taste, the decoration effect can be exerted.

In general, in the flooring material, total volatile organic compounds (hereinafter referred to as "TVOCs") are often released above the reference value when the printed layer has a transparent film layer on the top.

Particularly, in the case of general-purpose PVC tiles, since the TVOCs emission amount according to the regulations of eco-friendly building materials far exceeds 0.10 mg / m ² h, there is increasing interest in environmentally friendly flooring materials with reduced TVOCs emission amount.

In addition, the flooring material must have a certain level of mechanical strength in order to be widely used for residential or commercial use, and the surface of the product also needs to have a hardness such that scratches do not occur due to daily use.

Therefore, the wear performance of the transparent film layer applied to the flooring material is directly connected to the life of the product, there is a limit to supplement the strength of the flooring material only by adjusting the thickness of the transparent film layer.

In order to solve the above problems, a transparent film for flooring has been developed, and the transparent film according to the prior art includes a layer in which a transparent film layer, a printing layer, a white layer, and a base layer are sequentially stacked, and the transparent film layer is a flooring material. It is formed of a transparent film for the floor, the transparent film for the flooring material includes a polyvinyl chloride resin, an acrylic resin and a solid heat stabilizer, with respect to 100 parts by weight of polyvinyl chloride resin, the acrylic resin is 20 to 27 parts by weight It is contained in parts by weight, the melt index (Melt Index) according to the conditions of ASTM1238 of the acrylic resin is 15g / 10 minutes to 25g / 10 minutes, the acrylic resin is a polymethyl methacrylate (PMMA) resin, 100 weight polyvinyl chloride resin To parts, the thermal stabilizer of the solid phase comprises 0.1 parts by weight to 2 parts by weight, and the solid phase thermal stabilizer is Cd / Ba / Zn-based, Cd / Ba-based, Ba / Zn-based, Na / Zn-based, Sn-based, Pb , Cd, Zn Organic Composites It includes at least one selected from the group consisting of the end of the stabilizer, and combinations thereof.

Background art of the present invention is disclosed in Republic of Korea Patent Publication No. 10-1930708 (December 20, 2018, the name of the invention: transparent film for flooring, its manufacturing method and flooring comprising the same).

Flooring according to the prior art, there is a problem that can not be used for various flooring manufactured for overseas export because the elasticity and tensile strength does not provide a value of the degree suitable for international standards.

Therefore, there is a need for improvement.

The present invention can be cured at room temperature, providing a high elasticity and high tensile strength to produce a non-slip waterproof flooring material suitable for international standards, high elasticity high tensile strength PMMA resin that can realize the elongation ratio above the set value and the tensile strength above the set value It is an object of the present invention to provide a non-slip waterproof flooring composition and a construction method thereof.

The present invention provides a highly elastic high tensile strength PMMA resin composition, Butyl Acrylate (BA), Alkyl Quaternary Ammonium Bentonite, Iron oxide pigment, Clacium Carbonate (Caco3), Sand consisting of 0.3-0.7mm particle size, nn- It is characterized in that it comprises dimethyl-p-toluidine (DMPT).

In addition, the high elastic high tensile strength PMMA resin composition of the present invention, PMMA polymer, n-butyl acrylate (BA) monomer, methyl methacrylate monomer, 2-hydroxy ethyl methacrylate (2-HEMA) monomer, methacrylic acid ( MAA) monomers, and tripropyleneglycol diacrylate (TPGDA) monomers.
The present invention also relates to (a) PMMA polymer, n-butyl acrylate (BA) monomer, methyl methacrylate monomer, 2-hydroxy ethyl methacrylate (2-HEMA) monomer, methacrylic acid (MAA) monomer, tripropyleneglycol mixing diacrylate (TPGDA) monomer and heating to 60 ~ 70 ℃; (b) mixing n, n-dimethyl-p-toluidine (DMPT) after cooling the composition to 40-50 ° C .; (c) cooling the composition in which the n, n-dimethyl-p-toluidine (DMPT) is mixed to room temperature, followed by curing by mixing dibenzoyl peroxide (BPO) to prepare a high elastic high tensile strength PMMA resin composition; And (d) the high elastic high tensile strength PMMA resin composition, Butyl Acrylate (BA), Alkyl Quaternary Ammonium Bentonite, Iron oxide pigment, Clacium Carbonate (Caco3), Sand having a particle size of 0.3-0.7 mm, and nn- After dimethyl-p-toluidine (DMPT) is added, it is manufactured by a manufacturing method including mixing and packaging at a speed of 4500-6000 RPM for 20-30 minutes.

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In addition, the present invention, (a) removing the foreign matter remaining on the surface of the construction, injecting a filler into the crack, and proceeding the planarization work; (b) adhering a masking tape to the boundary of the construction target surface and installing a primer primer on the construction target surface; (c) High elastic high tensile strength PMMA resin composition, Butyl Acrylate (BA), Alkyl Quaternary Ammonium Bentonite, Iron oxide pigment, Clacium Carbonate (Caco3), Sand with a particle size of 0.3-0.7mm, nn-dimethyl- mixing non-slip waterproof flooring with non-slip aggregate prepared by mixing at a speed of 4500-6000 RPM for 20-30 minutes after adding p-toluidine (DMPT); And (d) installing the non-slip waterproof flooring material and the non-slip aggregate on the construction target surface by pneumatic spray or hopper gun.

The non-slip waterproof flooring composition and the construction method thereof using the highly elastic high tensile strength PMMA resin according to the present invention, PMMA polymer, n-butyl acrylate, methyl methacrylate, 2-hydroxy ethyl methacrylate, methacrylic acid, tripropyleneglycol diacrylate and n, n-dimethyl Since p-toluidine is composed of a curing accelerator is included, it is possible to manufacture a flooring material that maintains the elongation rate 100% or more, tensile strength 10MPa or more has the advantage of providing a variety of flooring materials suitable for international standards.

In addition, the non-slip waterproof flooring composition and its construction method using a high elastic high tensile strength PMMA resin according to the present invention, PMMA resin having high elasticity and high tensile strength, Butyl Acrylate (BA), Alkyl Quaternary Ammonium Bentonite, Iron Oxide pigment, Clacium Carbonate (Caco3), Sand 0.3-0.7mm, and nn-dimethyl-p-toluidine (DMPT) are included, so it has excellent crack resistance and excellent tensile performance on the surface, improving durability. The durability of non-slip waterproof flooring materials, such as school zones, silver zones and denser zones, which are applied to national facilities, can be significantly improved, and the time and cost required for non-slip waterproof flooring repair work can be reduced.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of a non-slip waterproof flooring composition and a construction method thereof using a high elastic high tensile strength PMMA resin according to the present invention.

In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description.

In addition, terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to a user's or operator's intention or custom.

Therefore, the definitions of these terms should be made based on the contents throughout the specification.

The non-slip waterproof flooring composition using the high elastic high tensile strength PMMA resin according to the embodiment of the present invention includes 25-30 parts by weight of high elasticity and high tensile strength PMMA resin based on 100 parts by weight of the non-slip waterproofing flooring composition, butyl acrylate ( BA), Alkyl Quaternary Ammonium Bentonite, Iron oxide pigment, Clacium Carbonate (Caco3), Sand with a particle size of 0.3-0.7mm, and nn-dimethyl-p-toluidine (DMPT).

Here, PMMA resins having high elasticity and high tensile strength include PMMA polymers, n-butyl acrylate (BA) monomers, methyl methacrylate monomers, 2-hydroxy ethyl methacrylate (2-HEMA) monomers, and methacrylic acid (MAA) monomers. And tripropyleneglycol diacrylate (TPGDA) monomers.

PMMA resin is a resin mainly composed of methyl methacrylate monomer, and is widely used in human daily life. It is used as contact lens, artificial joint, bone, etc. Also widely used.

PMMA resin is composed of regular binder, so it is less environmental pollution due to unreacted substances and it is eco-friendly and safe for human body because no toxic gas is generated during work and fire.

In addition, PMMA resin can work up to minus 30 ℃ when used as a flooring material due to its fast drying performance, and it is suitable for road repair work within 1 hour after finishing process, and is suitable for road repair work. It has the advantage of long life.

In this embodiment, a flooring material is prepared by mixing a monofunctional monomer, 2-hydroxy ethyl methacrylate (2-HEMA), methacrylic acid (MAA), and tripropyleneglycol diacrylate (TPGDA), which is a bifunctional monomer. The elasticity and tensile strength of the will be improved.

Therefore, the flooring material of the present embodiment can provide a flooring material which can be used for a special part such as high-speed railway under high vibration or large force by improving tensile strength, thereby preventing cracks from occurring in the flooring material.

The composition of this embodiment is mixed with a curing accelerator consisting of n, n-dimethyl-p-toluidine (DMPT), 30-50 wt% of PMMA polymer, 20-40 wt% of n-butyl acrylate (BA) monomer, 10-30 wt% of methyl methacrylate monomer, 5-10 wt% of 2-hydroxy ethyl methacrylate (2-HEMA) monomer, 2-5 wt% of methacrylic acid (MAA) monomer, tripropyleneglycol diacrylate (TPGDA) monomer 2-5 Contains weight percent.

In addition, the composition of the present embodiment, containing 0.1 to 1.0% by weight of n, n-dimethyl-p-toluidine (DMPT), and dibenzoyl in a composition in which n, n-dimethyl-p-toluidine (DMPT) is mixed Peroxide (BPO) 1 to 2% by weight is mixed.

Looking at the manufacturing method of high elastic high tensile strength PMMA resin composition according to an embodiment of the present invention configured as described above are as follows.

Method for producing a high elastic high tensile strength PMMA resin composition according to an embodiment of the present invention, PMMA polymer, n-butyl acrylate (BA) monomer, methyl methacrylate monomer, 2-hydroxy ethyl methacrylate (2-HEMA) monomer And, mixing the methacrylic acid (MAA) monomer and the tripropyleneglycol diacrylate (TPGDA) monomer and heating them at 60 to 70 ° C., and cooling the composition to 40 to 50 ° C., followed by n, n-dimethyl-p-toluidine (DMPT). ) And a step of cooling the composition to which n, n-dimethyl-p-toluidine (DMPT) is mixed at room temperature, followed by mixing and curing dibenzoyl peroxide (BPO).

The heating step of this embodiment, 30-50% by weight PMMA polymer, 20-40% by weight n-butyl acrylate (BA) monomer, 10-30% by weight methyl methacrylate monomer, 2-hydroxy ethyl methacrylate (2-HEMA ) 5 to 10% by weight of monomer, 2 to 5% by weight of methacrylic acid (MAA) monomer, and 2 to 5% by weight of tripropyleneglycol diacrylate (TPGDA) monomer.

In addition, the curing accelerator mixing step of the present embodiment is mixed with a curing accelerator comprising 0.1 to 1.0% by weight of n, n-dimethyl-p-toluidine (DMPT), the curing agent mixing step, dibenzoyl peroxide (BPO) It is made by mixing 1 to 2% by weight.

PMMA Polymer Synthesis

Reaction initiator AIBN (azobisisobutyronitrile) based on 100 parts by weight of a mixture of 40% by weight of methyl methacrylate acid (MAA) monomer, 59% by weight of n-butyl methacrylate (BMA) monomer and 1% by weight of methacrylic acid (MAA) monomer. 0.2 part by weight, 200 parts by weight of ion-exchanged water, 1 part by weight of a 5% polyvinyl alcohol aqueous solution (Kuraray Corporation POVAL PVA117), 0.01 part by weight of protective colloidal sodium hydrogen phosphate, and a molecular weight regulator n-dodecyl mercaptan (n -dodecylmercaptan) 0.4 parts by weight are mixed, the reaction is subjected to suspension polymerization for 2 hours at a reaction temperature of 85 ℃, further reaction for 20 minutes by raising the reaction temperature to 120 ℃ to remove residual unreacted monomer.

The PMMA polymer polymerized by the above operation is stored in a dehydrator, washed, and dried in a fluidized bed dryer for 20 hours to prepare a PMMA polymer having a weight average molecular weight of 70000, a glass transition temperature of 50 ° C., and an acid value of 6.0 mgKOH / g.

Example 1 and Comparative Examples 1 to 6 of the high-elasticity and high tensile strength PMMA resin composition according to this embodiment are described in Table 1, and Example 1 is 2-hyroxy ethyl which is a monofunctional monomer in the first step. 7% by weight of methacrylate (2-HEMA), 3% by weight of methacrylate (MMA), and 3% by weight of tripropyleneglycol diacrylate (TPGDA), which is a bifunctional monomer, are used in Comparative Examples 1 to 3. Only one is used, and Comparative Examples 4 to 6 use two functional monomers.

As described above, the tensile strength and elongation tests of Example 1 and Comparative Examples 1 to 6 were carried out, and the tensile strength and elongation tests were performed according to "SPS-KTS.1102-1890: 2017". Table 2 shows the average values measured at 7 ° C and age 7 days.

Example 1 Comparative Example 1 Comparative Example 2 Comparative Example 3 Comparative Example 4 Comparative Example 5 Comparative Example 6 Tensile Strength (MPa)
7 days (20 ℃) 11.2 3.8 2.6 2.2 4.9 5.5 4.7 Elongation (%)
7 days (20 ℃) 105 86 54 65 37 77 59

As shown in Table 2, Example 1 of the present invention, 7% by weight of 2-hydroxy ethyl methacrylate (2-HEMA) monofunctional monomer, 3% by weight of methacrylic acid (MAA), tripropyleneglycol is a bifunctional monomer 3% by weight of diacrylate (TPGEA) was used to confirm the excellent tensile strength and elongation.

In Comparative Examples 1 to 3, only one functional monomer was used, resulting in poor tensile strength. In Comparative Examples 4 to 6, when the two functional monomers were used, tensile strength was slightly increased, but the elongation was insufficient. It can be seen.

Non-slip waterproof flooring material is manufactured by using a PMMA resin composition having high elasticity and high tensile strength, which is prepared as described above, and the non-slip waterproofing flooring material has high elasticity and high tensile strength with respect to 100 parts by weight of non-slip waterproofing flooring material 25-30. Including parts by weight, Butyl Acrylate (BA), Alkyl Quaternary Ammonium Bentonite, Iron oxide pigment, Clacium Carbonate (Caco3), Sand with a particle size of 0.3-0.7 mm, and nn-dimethyl-p-toluidine (DMPT) It includes more.

Method for producing a non-slip waterproof flooring material using high elasticity and high tensile strength PMMA resin in a state in which the non-slip waterproof flooring composition is added to a mixer and mixed at a speed of 4500-6000 RPM for 20-30 minutes and then packed in a 20 kg iron can. By providing a non-slip waterproof flooring material having excellent durability of more than 30% elongation of 5Mpa elongation.

The non-slip waterproof flooring material using the high elasticity and high tensile strength PMMA resin of this embodiment is superior to the conventional non-slip flooring material, which has excellent crack resistance performance and excellent tensile performance of the surface, which is highly applicable to national facilities. The durability of non-slip waterproof flooring materials such as school zones, silver zones and denser zones is greatly improved compared to conventional non-slip flooring materials.

Therefore, it is possible to reduce the time and cost required to repair the non-slip waterproof flooring material.

This non-slip waterproof flooring material using PMMA resin of high elasticity and high tensile strength can improve adhesion in construction using pneumatic spray machine, improve non-slip BPN value on the surface, and improve the surface aesthetics. It is possible to solve problems such as deterioration in adhesion, aesthetic appearance, and a decrease in BPN levels.

Looking at the construction method of the non-slip waterproof flooring composition using a high elastic high tensile strength PMMA resin according to an embodiment of the present invention configured as described above are as follows.

The method of constructing a non-slip waterproof flooring composition using a highly elastic high tensile strength PMMA resin according to the present invention comprises the steps of removing foreign substances remaining on the surface of the construction, injecting filler into the cracks, and performing a planarization operation. Adhering a masking tape to the boundary of the film, and laying a primer on the surface to be coated, high elastic high tensile strength PMMA resin composition, Butyl Acrylate (BA), Alkyl Quaternary Ammonium Bentonite, Iron oxide pigment, and Clacium Carbonate (Caco3), Sand with a particle size of 0.3-0.7mm, and nn-dimethyl-p-toluidine (DMPT) were added and mixed at a speed of 4500-6000 RPM for 20-30 minutes to produce a non-slip waterproof flooring material and a non-slip aggregate. And mixing the non-slip waterproof flooring material and the non-slip aggregate with the pneumatic sprayer or the hopper gun.

When the non-slip waterproof flooring material of this embodiment is constructed as a non-slip waterproof flooring material such as school zone, silver zone, sharp curve, downhill road, pedestrian crossing, etc. used for traffic safety facilities, the non-slip waterproof flooring material of this embodiment should be constructed. After transport to the site, mix with non-slip high strength aggregate.

At this time, 80-85% by weight of non-slip waterproof flooring material is mixed with 15-20% by weight of 2.36-4.75mm high-strength bone, 1-1.5% by weight of dibenzoyl peroxide (BPO), a curing initiator, and mixed, followed by pneumatic spray or building hopper. Install the gun on the construction target surface.

As described above, when the non-slip waterproof flooring material of the present embodiment is laid and cured, the elasticity and tensile strength of the floor on which the non-slip waterproofing flooring is constructed can be increased from 2-3 years to 4-5 years in comparison with the conventional one. In addition, budget savings can be achieved for non-slip flooring, a national facility.

This makes it possible to cure at room temperature, to provide high elasticity and high tensile strength, to manufacture non-slip waterproof flooring material suitable for international standards, and to use high elastic high tensile strength PMMA resin that can realize elongation ratio above the set value and tensile strength above the set value. It is possible to provide a non-slip waterproof flooring composition and its construction method.

Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and various modifications and equivalent other embodiments are possible to those skilled in the art. Will understand.

In addition, the non-slip waterproof flooring composition using a high modulus high tensile strength PMMA resin and its construction method has been described as an example, but this is merely illustrative, and the non-slip waterproof flooring composition using a high elasticity high tensile strength PMMA resin and other construction methods other than the same. The flooring composition of the present invention and its construction method can also be used in the product.

Therefore, the true technical protection scope of the present invention will be defined by the claims below.

Claims (5)

PMMA resin composition, Butyl Acrylate (BA), Alkyl Quaternary Ammonium Bentonite, Iron oxide pigment, Clacium Carbonate (Caco3), Sand consisting of 0.3-0.7mm particle size, nn-dimethyl-p-toluidine (DMPT) Including,
The PMMA resin composition includes a PMMA polymer, an n-butyl acrylate (BA) monomer, a methyl methacrylate monomer, a 2-hydroxy ethyl methacrylate (2-HEMA) monomer, a methacrylic acid (MAA) monomer, and a tripropyleneglycol diacrylate (TPGDA). Non-slip waterproof flooring composition using a PMMA resin characterized in that it comprises a monomer.
delete delete (a) PMMA polymer, n-butyl acrylate (BA) monomer, methyl methacrylate monomer, 2-hydroxy ethyl methacrylate (2-HEMA) monomer, methacrylic acid (MAA) monomer, tripropyleneglycol diacrylate (TPGDA) monomer Mixing to heat to 60 ~ 70 ℃;
(b) mixing n, n-dimethyl-p-toluidine (DMPT) after cooling the composition provided in step (a) to 40-50 ° C .;
(c) preparing a PMMA resin composition by cooling the composition to which n, n-dimethyl-p-toluidine (DMPT) is mixed to room temperature and then mixing and curing dibenzoyl peroxide (BPO); And
(d) the PMMA resin composition, Butyl Acrylate (BA), Alkyl Quaternary Ammonium Bentonite, Iron oxide pigment, Clacium Carbonate (Caco3), Sand having a particle size of 0.3-0.7 mm, nn-dimethyl-p-toluidine Non-slip waterproof flooring composition using PMMA resin, characterized in that it is prepared by a manufacturing method comprising the step of mixing and packaging at a speed of 4500-6000 RPM for 20-30 minutes after the (DMPT).
(a) removing foreign matter remaining on the construction target surface, injecting a filler into the crack, and performing a planarization operation;
(b) adhering a masking tape to the boundary of the construction target surface and installing a primer primer on the construction target surface;
(c) PMMA resin composition, Butyl Acrylate (BA), Alkyl Quaternary Ammonium Bentonite, Iron oxide pigment, Clacium Carbonate (Caco3), Sand with a particle size of 0.3-0.7 mm, nn-dimethyl-p-toluidine ( Mixing the non-slip waterproof flooring material prepared by mixing at a speed of 4500-6000 RPM for 20-30 minutes and then the non-slip aggregate; And
(d) installing the non-slip waterproof flooring material and the non-slip aggregate on the surface to be constructed by pneumatic spray or hopper gun,
The PMMA resin composition includes a PMMA polymer, an n-butyl acrylate (BA) monomer, a methyl methacrylate monomer, a 2-hydroxy ethyl methacrylate (2-HEMA) monomer, a methacrylic acid (MAA) monomer, and a tripropyleneglycol diacrylate (TPGDA). A method for constructing a non-slip waterproofing flooring composition using a PMMA resin comprising a monomer).