KR101522195B1 - Resin composition for non-slip paving material and paved layer formed by usning the same - Google Patents

Resin composition for non-slip paving material and paved layer formed by usning the same Download PDF

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KR101522195B1
KR101522195B1 KR1020140139553A KR20140139553A KR101522195B1 KR 101522195 B1 KR101522195 B1 KR 101522195B1 KR 1020140139553 A KR1020140139553 A KR 1020140139553A KR 20140139553 A KR20140139553 A KR 20140139553A KR 101522195 B1 KR101522195 B1 KR 101522195B1
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slip
weight
parts
mma
monomer
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KR1020140139553A
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Korean (ko)
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김현철
정수진
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주식회사 한라씨엔티
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
    • C08F265/04—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of esters
    • C08F265/06—Polymerisation of acrylate or methacrylate esters on to polymers thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
    • C08K7/04—Fibres or whiskers inorganic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04—Homopolymers or copolymers of esters
    • C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
    • C08L33/10—Homopolymers or copolymers of methacrylic acid esters
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00—Details of pavings
    • E01C11/24—Methods or arrangements for preventing slipperiness or protecting against influences of the weather

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  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
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Abstract

The present invention provides a resin composition of a slip preventing packing material, comprising: 100 parts by weight of main component consisting of a mixture of methylmethacrylate (MMA) monomer and polymethylmethacrylate (PMMA) resin; 10 to 40 parts by weight of reactive monomer; 40 to 60 parts by weight of non-slip material including at least one of silica or metal oxide; and 1 to 10 parts by weight of rock fiber. The slip preventing packing material manufactured by using the composition has excellent anti-slip property, abrasion resistance, durability, and weatherability.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a resin composition for a non-slip packaging material and a non-

This technology is a technology related to road pavement, specifically, a technology of a resin composition for packaging materials for slip prevention.

In general, the non-slip wrapping material is formed by mixing silica, which is a slip material, using an epoxy or MMA-based organic compound as a binder. Such non-slip packaging materials have advantages of abrasion resistance, chemical resistance and light resistance and can express various colors. However, in the low temperature environment of winter due to a rapid decrease in physical properties due to thermal shock and a narrow Tg (glass transition temperature) The non-slip wrapping material is frequently broken and peeled due to passage and external impact.

Also, the non-slip materials used in the existing crosswalks and walkways have a problem that the thickness of the coating is so thin that the durability is poor and the service life is short, resulting in an excessive maintenance cost. In addition, there is a problem that the non-slip pavement is detached and peeled due to frequent occurrence of cracks due to repetitive automobile operation due to impact resistance, adhesion with road surface, and low temperature flexibility.

Therefore, it is possible to improve the problem of the non-slip surface treatment material (the occurrence of peeling, cracks, the slip resistance of the slip, etc.) through the high adhesion binder composition and the slip re-optimizing design process so as to reduce the braking distance of the road surface, It is urgently required to develop a slip resistant packaging material composition for reducing the occurrence of slip safety accidents occurring in a walkway.

In general, a non-slip packaging material is most widely used in which a hardening agent, such as benzoyl peroxide (BPO), is added using an MMA resin having a high adhesion strength and a high curing speed. The MMA resin binder contains pigments (red, black, blue, and the like) for visually distinguishing packaging materials and slip resistant materials (silica, alumina, steel slag, etc.) It is a technology to solve the problem of traffic congestion because the coating film is formed on the road surface and then hardened and the vehicle traffic can be resumed in a short time.

Non-slip packaging materials that use existing MMA resin alone have various defects such as poor mixing ratio of curing agent, sudden exothermic reaction due to binder hardening, surface peeling due to shrinkage of packaging material, degradation of packing strength due to excessive filler material . In particular, due to the low viscosity of the packaging material, there is a tendency for the binder to flow downward at the slope of the road, difficulty in forming a uniform film thickness, and slippage of the slip, which causes wear loss and non-slipperformance of the slip- Have technical problems that arise.

Also, the climate of Korea is exposed to high temperature and humidity in summer and low temperature in winter. The temperature change of concrete and ascon surface is exposed to extreme environment at -20 ~ 60 ℃. However, typical MMA and epoxy resin binders have a high and narrow glass transition temperature (Tg) range, which causes a difference in thermal expansion coefficient between the base and the non-slip packaging material. Surface cracking is occurring due to impact.

The object of the present invention is to solve the above-mentioned problems and to provide a method of manufacturing a semiconductor device which is applicable to various temperature changes through ensuring a slip resistance, abrasion resistance, weather resistance, and adhesion performance and securing a wide and low glass transition temperature And to provide a non-slip packaging resin composition in the form of a fast-curing reactive resin.

Another object of the present invention is to provide a road wrapping material which can form one region of a road surface by curing the composition.

The anti-slip packaging resin composition according to one embodiment of the present invention comprises 100 parts by weight of a mixture of methyl methacrylate (MMA) monomer and polymethyl methacrylate (PMMA) resin, 10 to 40 parts by weight of a reactive monomer, 30 to 60 parts by weight of a slip resistant material comprising at least one of a metal oxide and a metal oxide, and 1 to 10 parts by weight of rocky fibers.

Examples of the reactive monomer include 2-ethylhexyl acrylate (2-EHA), 2-hydroxyethyl acrylate (2-HEA), 2-hydroxyethyl methacrylate (2-HEMA), n-butyl acrylate -BA, acrylic acid (AA), methacrylic acid (MAA), vinyl acetate, acrylamide, glycidyl methacrylate (GMA)

The PMMA resin may be mixed with the MMA monomer in the form of being melted in the MMA monomer so that the weight of the PMMA resin is 10 to 30% by weight of the MMA monomer.

As the metal oxide, aluminum oxide or titanium oxide may be used.

Basalt fibers may be used as the rocky fibers, and the basalt fibers may be used in the form of chop-shaped pieces having a length of 4 mm or less.

The anti-slip packaging resin composition may further include an adhesion enhancer for improving adhesion with the road surface. Examples of the adhesion enhancer include EVA, rosin ester compound, rosin ester acid compound, acrylate polyester compound and the like And may be used in an amount of 0.5 to 5 parts by weight based on 100 parts by weight of the subject.

The anti-slip packaging resin composition may further comprise 15 to 25 parts by weight of a filler component such as aerosol, calcium carbonate, kaolinite and the like.

Another object of the present invention is to provide a non-slip wrapping material comprising a cured product formed by curing the above-described anti-slip packaging resin composition with addition of a curing agent, wherein at least a part of the rocky fibers is exposed to the surface of the wrapping material will be.

The road surface constructed by the resin composition of the anti-slip composition according to the present invention is excellent in resistance to sliding, abrasion resistance and adhesion performance and excellent in durability against various climate changes, particularly temperature changes, It is possible to maintain the homeostasis of slip-resistant performance, surface flatness, and the like. In addition, the composition can be universally applied even in climatic zones having extreme environments.

Further, according to the composition, it can be cured in a short time, thereby maximizing the construction efficiency of road construction.

On the other hand, in the case of the packaging material formed by the composition, rocky fibers such as Vasart are included, and incineration is possible, which is advantageous in environmental aspects.

1 is a cross-sectional view conceptually showing a cross section of a non-slip wrapping material according to an embodiment of the present invention.
2 is a graph showing FT-IR analysis results after MMA / PMMA binder curing.
3 is a graph showing FT-IR analysis results after hardening of MMA / BA / 2-EHA / AA / vinyl acetate binder.
4 and 5 are graphs showing DSC analysis results after MMA / PMMA binder curing and DSC dispersion results after MMA / PMMA / BA / 2-EHA / AA / vinyl caetate binder curing.
6 and 7 are graphs showing the results of tensile strength test at room temperature and low temperature (-20 DEG C), respectively.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a resin composition for anti-slip packaging according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

The anti-slip packaging resin composition according to one embodiment of the present invention comprises 100 parts by weight of a mixture of methyl methacrylate (MMA) monomer and polymethyl methacrylate (PMMA) resin, 10 to 40 parts by weight of a reactive monomer, 30 to 60 parts by weight of a slip resistant material comprising at least one of a metal oxide and a metal oxide, and 1 to 10 parts by weight of rocky fibers.

The resin composition contains 100 parts by weight of a mixture of methyl methacrylate (MMA) monomer and polymethylmethacrylate (PMMA) resin as a binder.

MMA / PMMA themes can be prepared by adding PMMA resin powder, thermal stabilizer, and other additives to the MMA monomer and melting for about several hours at 70 to 80 ° C. Thus, the preparation of the subject composition through the heating and dissolving process is intended to induce a rapid curing reaction at room temperature during the application and to minimize the exothermic reaction.

The PMMA resin powder is used in an amount of 10 to 30% by weight based on the weight of the MMA monomer.

The composition comprises, as a thermoplastic mixture, a reactive monomer. The reactive monomer is included to ensure low temperature flexibility of the packaging material by reducing the glass transition temperature (Tg) of the non-slip packaging material. Because of the high glass transition temperature (Tg) of the conventional MMA binder, defects due to breakage and lifting of the packaging material frequently occur due to the impact load of the vehicle passing at low temperature. Generally, when the strength of the non-slip wrapping material increases, the tensile strength increases but the elongation is lowered and the wrapping material is broken by the external impact. On the other hand, even if the tensile strength is slightly reduced, a high adhesion force with the base surface is maintained, and a better durability performance is secured. The functional monomers are thus included to improve the low temperature flexibility and adhesion of the composition.

 Examples of the reactive monomer include 2-ethylhexyl acrylate (2-EHA), 2-hydroxyethyl acrylate (2-HEA), 2-hydroxyethyl methacrylate (2-HEMA) n-BA, acrylic acid (AA), methacrylic acid (MAA), vinyl acetate, acrylamide, glycidyl methacrylate (GMA), etc. The monomer may be used singly, And may be mixed and used in various combinations for designing compositions having various glass transition temperatures.

The reactive monomer may be included in an amount of 10 to 40 parts by weight based on 100 parts by weight of the subject. The amount of the reactive monomer to be used may be variously changed depending on the glass transition temperature of the subject and the type of the monomer. Furthermore, the usage amount can be optimally designed considering the specific characteristics of the construction site and the floor condition.

As the anti-slip agent, silica, a metal oxide and the like can be used. As the metal oxide, aluminum oxide, titanium oxide can be used. The anti-slip agents may be used alone or in combination of two or more. The slip resistant material can be improved in slip resistance and abrasion resistance by adjusting the content by type and size. The substantially non-slip performance is determined by the type of slip material, particle size and sedimentation stability. The slip resistant material is used in an amount of 30 to 60 parts by weight based on 100 parts by weight of the subject. If the content of the slip material is less than 30 parts by weight, the slip material may not be uniformly distributed on the surface of the packaging material, resulting in a non-slip property. On the other hand, when the content of the slip material exceeds 60 parts by weight, The uniformity of the sliding characteristics can not be ensured.

In order to ensure the sedimentation stability of the slip material, the packaging resin composition of the present invention comprises rocky fibers. In addition to rocky fibers, glass fibers may be used in parallel. The rocky fibers may be basalt fibers that are basaltic. Such an inorganic fiber type of anti-settling member has a role of preventing deposition of anti-slip material having a high specific gravity and also being exposed to the surface of the anti-slip wrapping material to prevent wear of the packaging material and to shorten the braking distance by increasing frictional force with automobile tire. In addition, the inside of the slip-resistant packaging material is reinforced to form a more dense structure of the binder, thereby preventing the occurrence of microcracks due to external impacts and changes in the thermal expansion coefficient.

The rocky fibers such as the bar-cut fibers and the glass fibers, which are further included, are preferably chop-shaped interlaced fibers having a length of 4 mm or less.

1 is a cross-sectional view conceptually showing a cross section of a non-slip wrapping material according to an embodiment of the present invention.

Referring to FIG. 1, the anti-slip material 100 according to an exemplary embodiment of the present invention is uniformly dispersed in the hardened binder resin 110. The anti-slip material 120 is distributed not only on the inside of the packaging material 100 but also on the surface thereof, thereby inducing the anti-slip characteristic of the packaging material 100. Rocky fibers such as bar-cut fibers or glass fibers 130 prevent sedimentation of the slip-resistant material 120 so as to uniformly disperse the slip-resistant material 12. In addition, the rocky fiber 130 may be partially exposed to the surface of the packaging material 100, and may serve as a reinforcing material for slip resistance.

The anti-slip packaging resin composition may include an adhesion enhancer for improving adhesion to the road surface and a curing accelerator for promoting curing.

As the adhesion enhancer, EVA, a rosin ester compound, a rosin ester compound and an acrylate polyester compound can be used. The content of the adhesion enhancer is preferably 0.5 to 5 parts by weight relative to 100 parts by weight of the subject. If the content of the adhesion enhancer is less than 0.5 part by weight, the adhesion and hardening reaction of the binder are not affected. On the other hand, if the content of the adhesion enhancer exceeds 5 parts by weight, the binder may adhere to the surface of the binder, .

 As the curing accelerator, a thiol-based additive having a monofunctional or polyfunctional structure or trimethylolpropane triacrylate (TMPTA) may be used. As the curing accelerator, a compound represented by the following formula (1) or (2) may be used.

Figure 112014098441331-pat00001

Figure 112014098441331-pat00002

 Meanwhile, the anti-slip packaging composition may include filler components such as aerosol and calcium carbonate. The filler component is preferably included in an amount of 15 to 25 parts by weight based on 100 parts by weight of the subject. If the content of the filler is less than 15 parts by weight, the viscosity may be lowered to cause a drop-off phenomenon. On the other hand, if the content exceeds 25 parts by weight, the viscosity of the bar increases, .

Although not mentioned above, the anti-slip packaging composition may further include various functional additives such as antioxidants and the like.

The anti-slip wrapping material formed by the hardening of the anti-slip packaging material resin composition has a shape in which at least a part of the rock-like fibers is exposed to the surface of the wrapping material.

MMA / PMMA mixing experiment

In order to improve the curing drying time, adhesion to the road surface, and workability, the basic binder resin (base) of the non-slip packaging material was prepared by adjusting the content of the MMA monomer and PMMA powder. In order to reduce the hardening reaction heat and to develop a binder having a certain physical property, the amount of the MMA monomer was fixed, and then the amount of the PMMA powder was increased.

division MMA PMMA Hardener Oxidation
Inhibitor Remarks Yellow Curing Drying Time (min) A-1 95.00 5.00 2.85 1.00 Yellowing 50 A-2 90.00 10.00 2.70 1.00 Yellowing 48 A-3 85.00 15.00 2.55 1.00 Some improvements 45 A-4 80.00 20.00 2.40 1.00 No yellowing 40 A-5 75.00 25.00 2.25 1.00 No yellowing 40 A-6 70.00 30.00 2.10 1.00 No yellowing 39 A-7 65.00 35.00 1.95 1.00 No yellowing 35

On the other hand, a binder was prepared by mixing a curing agent with the binder resin thus produced.

2 is a graph showing FT-IR analysis results after MMA / PMMA binder curing.

Referring to FIG. 2, the reaction of the MMA monomer can be confirmed by the disappearance of the C = C double bond absorption band, and it is confirmed that the C = C double bond absorption band disappears at 1636 cm -1. The COC absorption band at CH 2 absorption bands, 1242 cm -1 and 1149 cm -1 at aliphatic CH 3, 1728 cm -1 at C = O, 1453 cm -1 and 756 cm -1 at 2947 cm -1 and 1481 cm -1 showed that MMA And it was confirmed to be synthesized by PMMA.

Also, it was confirmed that increasing the content of PMMA which is not reactive to the MMA monomer results in lowering the heat of reaction and decreasing the hardening shrinkage. On the other hand, when the PMMA content is decreased, the viscosity of the binder is decreased but the hardening shrinkage due to the heat of reaction is increased. This resulted in improved packaging material deformation due to exothermic reaction and hardening shrinkage and lifting on the road surface, and the performance against yellowing was partially improved.

Functional monomer formulation experiment to improve low temperature flexibility and adhesion

To improve low temperature flexibility, n-BA (n-butyl acrylate), 2-ethylhexyl acrylate (2-EHA) and 2-hydroxyethyl acrylate (2-HEA) were added with low glass transition temperature (Tg) The optimum composition of the non-slip binder was designed as shown in Table 2 by adding functional monomers such as MAA (methacrylic acid), AA (acrylic acid), vinyl acetate, acrylamide and GMA (glycidyl methacrylate)

division MMA PMMA BA 2-EHA AA vinyl
acetate Oxidation
Inhibitor Hardener Remarks Low temperature flexibility Bond strength
(N / mm2) B-1 70.30 17.57 6.59 2.20 - - 0.97 2.37 lack 1.9 B-2 67.23 16.81 9.45 3.15 - - 0.97 2.39 lack 1.8 B-3 64.41 16.10 12.08 4.03 - - 0.97 2.42 Good 1.9 B-4 61.82 15.46 14.49 4.83 - - 0.97 2.43 Good 1.6 B-5 59.44 14.86 16.72 5.57 - - 0.97 2.45 Tacky 1.6 B-6 63.88 15.97 11.98 3.99 0.40 0.40 0.97 2.42 Good 1.9
(Ground fracture) B-7 63.88 15.97 11.98 3.99 0.32 0.48 0.97 2.42 Good 2.4
(Ground fracture) B-8 63.88 15.97 11.98 3.99 0.24 0.56 0.97 2.42 Good 2.3
(Ground fracture) B-9 63.88 15.97 11.98 3.99 0.16 0.64 0.97 2.42 Tacky somewhat 1.9
(Ground fracture) B-10 63.88 15.97 11.98 3.99 0.08 0.72 0.97 2.42 Tacky somewhat 1.7

3 is a graph showing FT-IR analysis results after hardening of MMA / BA / 2-EHA / AA / vinyl acetate binder.

Referring to FIG. 3, the reaction of MMA / BA / 2-EHA / AA / vinyl acetate can be confirmed by disappearance of the C = C double bond absorption band at 1636 cm -1. In addition, the alkyl group CH 3 of acrylic at the 2947 cm -1 absorption band, the aliphatic CH at the 1481 cm -1 absorption band, the CO 2 at the CH 2 absorption band at 1250 cm -1 and 1149 cm -1 at C = O, 1453 cm -1 and 756 cm -1 at 1728 cm -1, By observing the absorption band, it was confirmed that the reaction was completed by the hardening agent in the non-slip packaging material.

Generally, the higher the glass transition temperature (Tg) of acryl, the higher the hardness of the coating. Therefore, the low temperature flexibility of the binder is reduced and the lower the glass transition temperature (Tg), the easier the binder is formed. In order to improve the low-temperature flexibility of the non-slip packaging material, BA / 2-EHA monomer having a low glass transition temperature (Tg) was added to prepare a binder. In this case, the low temperature flexibility was improved as the amount of BA-58 ° C and the amount of 2-EHA monomer added at -58 ° C was increased in the MMA / PMMA binder having a glass transition temperature (Tg) of 105 ° C. There was no crawling on the surface, while the B-3 secured low temperature flexibility.

When BA / 2-EHA / AA / vinyl acetate was added to the MMA / PMMA binder having a glass transition temperature of 105 ° C, the adhesion strength to the substrate increased with the addition of AA / vinyl acetate, but due to the low glass transition temperature (Tg) The B-8 composition which improves both the low-temperature flexibility and the adhesion strength was selected as the binder of the non-slip packaging material, and the glass transition temperature (Tg) was confirmed to be lowered to 62 ° C. Since the glass transition temperature (Tg) appears in a single region rather than individually, the acrylic binder forms an integrated uniform structure. It was confirmed that the DSC graph shows the glass transition temperature (Tg) in a single region rather than the individual MMA, BA, 2-EHA, AA and vinyl acetate. It can be confirmed that the acrylic binder forms a stable bonding structure.

4 and 5 are graphs showing DSC analysis results after MMA / PMMA binder curing and DSC dispersion results after MMA / PMMA / BA / 2-EHA / AA / vinyl caetate binder curing.

These results indicate that the higher the glass transition temperature (Tg), the higher the cracking of the binder due to external impacts in a low temperature environment. Therefore, the addition of a low glass transition temperature monomer such as BA / 2-EHA Flexibility was increased and adhesion performance was increased with increasing AA / vinyl acetate content.

Next, tensile strength, elongation, and physical properties of the composition were examined according to the functional monomer content of the composition for improving low temperature flexibility and adhesion of the binder of the non - slip packaging material.

AA (acrylic acid) having a glass transition temperature (Tg) of 70 ° C and vinyl acetate of 30 ° C were added to prepare a binder composition by adding AA / vinyl acetate monomer to improve adhesion performance. The test specimens were placed in a standard state (23 ± 2 ℃) and a low temperature environment (20 ± 2 ℃) for 1 hour according to ASTM D 638- "Standard test method for properties of plastic" min. The MMA / PMMA binder showed a hard and brittle property. However, the addition of a low glass transition temperature (Tg) monomer such as BA / 2-EHA resulted in a decrease in tensile strength, but an increase in low temperature flexibility.

When vinyl acetate monomer with a glass transition temperature of 30 ℃ was added instead of AA (acrylic acid) having a glass transition temperature of 70 ℃, the tensile strength of the binder decreased and the elongation tended to increase with increasing vinyl acetate content. The optimum binder composition B-8 exhibited tensile strength (28.7 N /) and elongation (3.2%) at room temperature with tensile strength (7.5 N /), elongation (151%) and low temperature .

6 and 7 are graphs showing the results of tensile strength test at room temperature and low temperature (-20 DEG C), respectively.

I slip re-evaluation

Slip resistance To evaluate the optimum formulation ratio, slip resistance (silica, aluminum oxide) on the binder was evaluated by slip resistance (BPN) according to the type and particle size. As a result, as the slip material size increased, the sliding resistance performance increased. When the slip material was mixed below 30%, the slip material was not uniformly distributed on the surface, And the slip property of the surface was not constant due to the slip re - aggregation phenomenon. Table 3 below shows the results of the sliding resistance performance test.

division C-1 C-2 C-4 C-4 C-5 C-6 Anti-slip binder 1000 1000 1000 1000 1000 1000 I
The
Lip
ashes Silica 5 600 - - - - - Silica 6 - 600 - - - - Silica 8 - - 600 - - - Al 2 O 3 # 18 - - - 600 - - Al 2 O 3 # 30 - - - - 600 - Al 2 O 3 # 55 - - - - - 600 Total 1600 1600 1600 1600 1600 1600 Slip resistance (BPN) 83 80 76 88 93 98

However, when added, the addition of silica-3 did not uniformly disperse on the surface due to the particle size, resulting in non-uniform crack generation and non-slip performance. On the other hand, when using No. 8, I was partially buried in slip ashes. Also, the addition of aluminum oxide rather than silica increased the sliding resistance. In order to prevent the abrasion of slippery material caused by the passage of automobile on the surface of the packing material, the aluminum oxide # 30, which is excellent in abrasion resistance, is added to improve the slipperiness Respectively.

Hereinafter, the present invention will be described in detail with reference to examples of constructions of the packaging resin composition of the present invention. However, the technical idea of the present invention is not limited by the following embodiments, and the technical idea of the present invention is only defined by the following claims.

Example

Example 1

The anti-slip packaging material was applied according to the formulation ratio shown in Table 4 below.

Raw material name Mixing ratio Remarks One MMA

97.5

Anti-slip binder 2 PMMA 3 BA 4 2-EHA 5 AA 6 vinylacetate 0.6 7 Antioxidant 1.0 8 Adhesion Enhancer 1.0 9 Aerosil 1.3 Functional additive 10 Sedimentation preventing material 2.7 9 Calcium carbonate 2.02 10 Pigment 5.3 11 I slip (8th) 26.7 I slip ash 12 I slip ashes (4th) 13.3 13 Aluminum oxide # 30 20.0 14 BPO 2.5 Hardener Sum 189.3

MMA and PMMA powder were first added to the reactor and then melted at 75 ° C for 2 and a half hours. After that, the functionalized acrylic monomer (BA, 2-EHA, AA, vinylacetate, etc.) And the mixture was stirred for 1 hour. At this time, 1 part by weight or less of an adhesion enhancer was added to 100 parts by weight of the binder composition and the mixture was stirred. Next, a filler, an anti-settling agent, a pigment, and an anti-slip material were added at a constant ratio and stirred to disperse homogeneously.

The method of slip-proof packing material is to clean / sort the concrete or ascon substrate and apply primer treatment. After adding the hardening agent at a certain mixing ratio, apply 1mm of the primary anti-slip packaging material uniformly for the base coat and apply 2mm of the secondary slip equipment packing material. When the coating is applied more than 3 mm at a time, the slip material which is cracked on the surface is buried in the binder, so that it is not possible to obtain a certain slip prevention performance on the surface, so that the slip is prevented by using the roller, rubber rake, Re-homogeneous dispersion operation was performed.

Evaluation of properties of non-slip packaging materials

The physical properties of the anti-slip package were evaluated as shown in Table 5 below.

Test Items Test result Test Methods Remarks Slip Resistance Performance (BPN) 75 KS F 2375 Bond strength
(N / mm2) No treatment 2.4 KS F 4936 Base break 168 hours of soaking 2.3 KS F 4936 Base break Promoting durability (cracking, excursion occurrence) clear KS F 2274 Abrasion resistance
(CS-17, 1000 g, 1000 times) 70 mg ASTM D 4060 Alkali resistance
(CaOH 2 , 500 hr) clear KS M ISO 2812-2 Water resistance
(Distilled water, 500 hours) clear KS M ISO 2812-2 Low Temperature Crack Resistance (-20 ℃) No cracking - Complex deterioration (-20 ℃ → 60 ℃, 10 times) No peeling, peeling occurred - Settling stability (after 1 hour of application) Surface slip material
Homogeneous dispersion -

Claims (9)

100 parts by weight of a subject prepared by mixing a methyl methacrylate (MMA) monomer and a polymethyl methacrylate (PMMA) resin powder and preheating and melting;
10 to 40 parts by weight of a reactive monomer comprising 2-ethylhexyl acrylate (2-EHA), n-butyl acrylate (n-BA), acrylic acid (AA) and vinyl acetate;
40 to 60 parts by weight of an anti-slip material comprising at least one component of silica and metal oxide;
1 to 10 parts by weight of rocky fibers; And
An adhesive strength enhancer for improving adhesion to a road surface, comprising 0.5 to 5 parts by weight of at least one compound selected from the group consisting of EVA, a rosin ester compound, a rosin ester acid compound and a polyester acrylate compound. Composition.
delete The method according to claim 1,
Wherein the PMMA resin is melted in the MMA monomer so that the weight of the PMMA resin is 10 to 30% of the weight of the MMA monomer.
The method according to claim 1,
Wherein the metal oxide is aluminum oxide or titanium oxide.
The method according to claim 1,
Wherein the rocky fibers are basalt fibers. ≪ RTI ID = 0.0 > 11. < / RTI >
6. The method of claim 5,
Wherein the basalt fiber is a chop-shaped interlaced fiber having a length of 4 mm or less.
delete The method according to claim 1,
Further comprising 15 to 25 parts by weight of at least one filler component selected from the group consisting of an aerosol, a calcium carbonate and a sea aneolite.
A cured product formed by curing a resin composition for anti-slip packaging according to claim 1 under the presence of a curing agent,
Wherein at least a portion of the rocky fibers is exposed to the surface of the package.

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KR101632621B1 (en) * 2016-01-21 2016-06-22 주식회사 평강산업개발 Material for pavement of Slip preventing surface composite for road and Material for pavement using them and Manufacture of them and Method for constructing road with slip preventing surface
KR102001651B1 (en) 2018-12-11 2019-07-18 이성범 Nonslip paving material composition and paving method using the same
KR102255971B1 (en) * 2021-03-26 2021-05-24 김시남 Grooving Composition Having Excellent Low Noise Effect and Safety Grooving Enhanced Effect
KR102340719B1 (en) * 2021-03-17 2021-12-20 허감석 Waterproof Coating Composition for Asphalt Road
KR102547285B1 (en) 2022-11-23 2023-06-23 (재)한국건설생활환경시험연구원 High speed curing composition for non-slip paving material with high durability

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KR102340719B1 (en) * 2021-03-17 2021-12-20 허감석 Waterproof Coating Composition for Asphalt Road
KR102255971B1 (en) * 2021-03-26 2021-05-24 김시남 Grooving Composition Having Excellent Low Noise Effect and Safety Grooving Enhanced Effect
KR102547285B1 (en) 2022-11-23 2023-06-23 (재)한국건설생활환경시험연구원 High speed curing composition for non-slip paving material with high durability

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