KR101824431B1 - Floor pannel for shutting noise between stairs of apartment house - Google Patents

Floor pannel for shutting noise between stairs of apartment house Download PDF

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KR101824431B1
KR101824431B1 KR1020170136766A KR20170136766A KR101824431B1 KR 101824431 B1 KR101824431 B1 KR 101824431B1 KR 1020170136766 A KR1020170136766 A KR 1020170136766A KR 20170136766 A KR20170136766 A KR 20170136766A KR 101824431 B1 KR101824431 B1 KR 101824431B1
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sheet
layer
noise
adhered
groove
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이충기
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(주)휴먼텍코리아엔지니어링건축사사무소
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • E04F15/20—Separately-laid insulating layers; Other additional insulating measures; Floating floors for sound insulation
    • E04F15/203—Separately-laid layers for sound insulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B25/08—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • B32B2307/102—Insulating
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
    • E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
    • E04F2290/041—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against noise

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Textile Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Floor Finish (AREA)

Abstract

The present invention relates to a floor panel for preventing noise between floors of an apartment house and, more specifically, relates to the improved floor panel for preventing noise between floors of an apartment house, which is realized in the shape of a simple sheet for a simple assembly structure to reduce construction time. Moreover, construction convenience is increased, and sound absorption properties and shock absorbing properties to absorb vibration are significantly improved to prevent noise between stairs.

Description

공동주택 층간소음 방지용 바닥재{FLOOR PANNEL FOR SHUTTING NOISE BETWEEN STAIRS OF APARTMENT HOUSE}[0001] FLOOR PANEL FOR SHUTTING NOISE BETWEEN STAIRS OF APARTMENT HOUSE [0002]

본 발명은 공동주택 기술 분야 중 공동주택 층간 소음 방지용 바닥재에 관한 것으로, 보다 상세하게는 단순한 시트형상으로 구현하여 조립구조를 용이하게 함으로써 시공시간을 단축하고, 시공 편리성을 증대시키면서 흡음성은 물론 진동흡수에 따른 충격흡수성을 현저히 증대시켜 층간 소음 문제를 해결할 수 있도록 개선된 공동주택 층간 소음 방지용 바닥재에 관한 것이다.[0001] The present invention relates to a flooring for preventing noise between apartment buildings in a residential area, and more particularly, to a flooring for preventing noise between apartment houses, To a flooring for preventing noise between apartment houses improved so that the problem of interlayer noise can be solved by significantly increasing the shock absorbability due to absorption.

최근 아파트와 같은 복층 다세대 공동주택에서 윗층의 소음이나 충격음이 아래층에 전달되는 층간 소음으로 인해 커다란 사회문제로 대두되고 있다.In recent multi - storey multi - family apartment complexes such as apartments, the upstairs noises and the impact noise are becoming a big social problem due to the interstate noise transmitted to the lower floors.

층간 소음은 주로 윗층 거주자의 생활공간에서 이동시 발생되는 발자욱소리 또는 문의 개폐시와 각종 기물의 가동이나 바닥에 부딪치는 충격, 아이들이 뛰거나 구르는 등의 행위 등에 의해 유발되는 것이 대부분이다.Interlayer noise is mainly caused by footsteps generated when moving in the living space of an upper-floor resident, or when the door is opened or closed, when an object hits the bottom of a moving object or the floor, or when the child runs or rolls.

이러한 층간 소음은 콘크리트 구조체와 같은 견고한 고체의 경우 전달성이 매우 양호하기 때문에 일어나는 것으로 이를 소홀히 할 경우 이웃간 말다툼은 물론 인명사고로까지 이어지는 등 심각한 사회문제를 발생시키므로 이에 대한 철저한 대책이 요구된다.This kind of interstory noise is caused by the very good attainment of solid solid such as concrete structure. If it is neglected, it will cause serious social problems such as neighboring brawls as well as human accidents. Therefore, thorough measures are required.

따라서, 복층 공동주택의 각 층 바닥시공시에는 소음이나 충격진동을 방지할 수 있는 층간 소음 방지수단의 시공은 거의 필수적이라고 보아야 한다.Therefore, it is essential that the construction of the interlayer noise prevention means capable of preventing the noise or the shock vibration is almost indispensable to the floor of each floor of the multi-storey apartment.

이와 관련하여, 등록특허 제0741757호에서는 '복층건물의 층간 구조체'를 개시하고 있다.Regarding this, Patent No. 0741757 discloses an interlayer structure of a multi-storey building.

개시된 등록특허는 도 1의 예시와 같이, 다수의 메쉬구멍(110)을 갖는 판넬(100)을 너트부(130)를 이용하여 완충부재(400)와 결속하여 완충구조를 만들고, 이를 복층건물의 기초바닥층과 상부의 마감모르타르층 사이에 설치하여 층간 소음 차단 및 단열효과를 얻을 수 있도록 구성한 것이다.1, a panel 100 having a plurality of mesh holes 110 is coupled with a cushioning member 400 using a nut 130 to form a cushioning structure, And is installed between the foundation floor layer and the upper mortar layer so as to obtain interlayer noise isolation and insulation effect.

그런데, 도 1에 개시된 층간 구조체는 구조가 너무 복잡하고, 그에 따라 제조비용이 상승하여 시공비가 많이 들며, 단순히 다리를 구성하는 방진고무로 된 완충부재(400)를 통해서만 충격에 대한 완충기능, 그에 부속된 소음 기능을 달성하고 있을 뿐이어서 구조상 층간 소음을 완벽하게 차단할 수 없고, 특히 고무가 경화될 경우 오히려 그 부분을 통해 층간 소음이 집중되면서 또다른 2차 소음을 야기시키는 한계를 가지고 있어 이에 대한 개선이 절실히 요구되고 있다.However, the interlayer structure disclosed in FIG. 1 is too complex in structure, and thus has a high manufacturing cost due to a high manufacturing cost. Only through the buffer member 400 formed of the vibration-proof rubber constituting the leg, It is impossible to completely block the interlayer noise, and in particular, when the rubber is hardened, the interlayer noise is concentrated through the portion, and there is a limit to cause another secondary noise. Improvement is urgently required.

뿐만 아니라, 판넬(100)을 시공면에 깔았을 때 다수의 판넬(100)들 끼리 결속할 수 있는 수단이 없어 판넬(100)들이 따로 놀게 되어 후속시공을 어렵게 하고, 수평을 맞추기 어렵다는 한계도 가지고 있다.In addition, since there is no means by which the plurality of panels 100 can be coupled together when the panel 100 is laid on the installation surface, the panels 100 play separately, making subsequent construction difficult, have.

대한민국 특허 등록번호 제0741757호(2007.07.16.), '복층건물의 층간 구조체'Korea Patent Registration No. 0741757 (July 16, 2007), 'Interlayer Structure of Multi-Layered Building'

본 발명은 상술한 바와 같은 종래 기술상의 제반 문제점을 감안하여 이를 해결하고자 창출된 것으로, 단순한 시트형상으로 구현하여 조립구조를 용이하게 함으로써 시공시간을 단축하고, 시공 편리성을 증대시키면서 흡음성은 물론 진동흡수에 따른 충격흡수성을 현저히 증대시켜 층간 소음 문제를 해결할 수 있도록 개선된 공동주택 층간 소음 방지용 바닥재를 제공함에 그 주된 목적이 있다.SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems in the prior art, and it is an object of the present invention to provide a vibration damping device capable of simplifying an assembling structure by shortening a construction time, The present invention provides a flooring for preventing noise between buildings in an apartment building, which is improved so as to solve the interlayer noise problem by remarkably increasing the shock absorbability due to absorption.

본 발명은 상기한 목적을 달성하기 위한 수단으로, 하부시트(100)와, 상기 하부시트(100)의 상면에 접착되는 중간시트(200)와, 상기 중간시트(200)의 상면에 접착되는 상부시트(300)로 이루어지고, 전체 두께가 10-20mm를 갖는 공동주택 층간소음 방지용 바닥재에 있어서;The present invention provides a method of manufacturing a printed circuit board comprising a lower sheet 100, an intermediate sheet 200 bonded to the upper surface of the lower sheet 100, And a sheet (300) having a total thickness of 10 to 20 mm, characterized in that:

상기 하부시트(100)는 상면에 일정크기와 깊이를 갖는 상부완충홈(110) 다수개가 일정간격을 두고 요입 형성되고, 바닥면에 접착되는 폴리에틸렌필름층(102)과, 상기 폴리에틸렌필름층(102)의 상면에 합지되는 폴리에틸렌 부직포층(104) 및 상기 폴리에틸렌 부직포층(104) 상면에 도포되어 접합된 폴리우레탄수지층(106)으로 이루어지며, 상기 상부완충홈(110)은 상기 폴레우레탄수지층(106)에만 형성되고;The lower sheet 100 includes a plurality of upper buffer grooves 110 having a predetermined size and a predetermined depth on a top surface of the lower sheet 100 and having a predetermined gap therebetween. The lower sheet 100 includes a polyethylene film layer 102 adhered to the bottom surface, And a polyurethane resin layer 106 which is applied and bonded on the upper surface of the polyethylene nonwoven fabric layer 104. The upper buffer groove 110 is made of the polyurethane resin layer 104, (106) only;

상기 중간시트(200)는 하면에 상기 하부완충홈(110)과 겹치지 않도록 어긋나게 형성되는 중간하부완충홈(210)과, 상기 중간시트(200)의 상면에 상기 중간하부완충홈(210)과 어긋나게 배치 형성되는 중간상부완충홈(220)을 포함하며, 다수의 바늘구멍이 형성되어 흡음성을 가지면서 상기 폴리우레탄수지층(106)에 접착되는 PET 필름층(202)과, 상기 PET 필름층(202)의 상면에 합지되는 라텍스 필름층(204)과, 상기 라텍스 필름층(204)의 상면에 합지되는 SBS(styrene-butadiene-styrene) 필름층(206)으로 이루어지고;The intermediate sheet 200 includes an intermediate lower cushioning groove 210 formed on the lower surface of the intermediate sheet 200 so as not to overlap with the lower cushioning groove 110, A PET film layer 202 including an intermediate upper cushioning groove 220 and a plurality of needle holes formed therein and adhered to the polyurethane resin layer 106 with sound absorption properties; And a layer of styrene-butadiene-styrene (SBS) film 206 laminated on the upper surface of the latex film layer 204;

상기 상부시트(300)는 하면에 다수의 상부완충홈(310)을 형성하되, 상기 중간시트(200)의 상면에 형성된 중간상부완충홈(220)과 겹치지 않도록 어긋나게 형성되고, 완충기능을 수행하는 PU폼층(302)과, 상기 PU폼층(302)의 상면에 합지된 스킨층(304)으로 이루어지며, 상기 PU폼층(302)의 두께는 스킨층(304) 보다 2배 더 두껍게 형성된 것을 특징으로 하는 공동주택 층간소음 방지용 바닥재를 제공한다.The upper sheet 300 is formed to have a plurality of upper damping grooves 310 formed on its lower surface so as not to overlap the intermediate upper damping grooves 220 formed on the upper surface of the intermediate sheet 200, A PU foam layer 302 and a skin layer 304 bonded to the upper surface of the PU foam layer 302. The thickness of the PU foam layer 302 is twice as thick as that of the skin layer 304 And a flooring for preventing noise between the inter-apartment houses.

본 발명에 따르면, 단순한 시트형상으로 구현하여 조립구조를 용이하게 함으로써 시공시간을 단축하고, 시공 편리성을 증대시키면서 흡음성은 물론 진동흡수에 따른 충격흡수성을 현저히 증대시켜 층간 소음 문제를 해결하는 효과를 얻을 수 있다.According to the present invention, it is possible to realize an effect of solving the interlayer noise problem by significantly increasing the impact absorbability due to the vibration absorption as well as the sound absorption while shortening the construction time, Can be obtained.

도 1은 종래 기술에 따른 공동주택 층간 소음 방지용 바닥재의 예시도이다.
도 2는 본 발명에 따른 바닥재의 분해 단면도이다.
도 3은 본 발명에 따른 바닥재를 구성하는 하부시트의 예시적인 단면도이다.
도 4는 본 발명에 따른 바닥재를 구성하는 중간시트의 예시적인 단면도이다.
도 5는 본 발명에 따른 바닥재를 구성하는 상부시트의 예시적인 단면도이다.BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view showing an example of a flooring for preventing noise between apartment houses according to the prior art.
2 is an exploded cross-sectional view of a floor material according to the present invention.
3 is an exemplary sectional view of a bottom sheet constituting a bottom material according to the present invention.
4 is an exemplary cross-sectional view of an intermediate sheet constituting a bottom material according to the present invention.
5 is an exemplary sectional view of an upper sheet constituting a bottom material according to the present invention.

이하에서는, 첨부도면을 참고하여 본 발명에 따른 바람직한 실시예를 보다 상세하게 설명하기로 한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

본 발명 설명에 앞서, 이하의 특정한 구조 내지 기능적 설명들은 단지 본 발명의 개념에 따른 실시예를 설명하기 위한 목적으로 예시된 것으로, 본 발명의 개념에 따른 실시예들은 다양한 형태로 실시될 수 있으며, 본 명세서에 설명된 실시예들에 한정되는 것으로 해석되어서는 아니된다.Before describing the present invention, the following specific structural or functional descriptions are merely illustrative for the purpose of describing an embodiment according to the concept of the present invention, and embodiments according to the concept of the present invention may be embodied in various forms, And should not be construed as limited to the embodiments described herein.

또한, 본 발명의 개념에 따른 실시예는 다양한 변경을 가할 수 있고 여러 가지 형태를 가질 수 있으므로, 특정 실시예들은 도면에 예시하고 본 명세서에 상세하게 설명하고자 한다. 그러나, 이는 본 발명의 개념에 따른 실시예들을 특정한 개시 형태에 한정하려는 것이 아니며, 본 발명의 사상 및 기술 범위에 포함되는 모든 변경물, 균등물 내지 대체물을 포함하는 것으로 이해되어야 한다.In addition, since the embodiments according to the concept of the present invention can make various changes and have various forms, specific embodiments are illustrated in the drawings and described in detail herein. However, it should be understood that the embodiments according to the concept of the present invention are not intended to limit the present invention to specific modes of operation, but include all modifications, equivalents and alternatives falling within the spirit and scope of the present invention.

도 2에 도시된 바와 같이, 본 발명에 따른 공동주택 층간 소음 방지용 바닥재는 단순한 시트 형태로 구성되어 공동주택의 각 실내 바닥을 구성하는 콘크리트인 바닥슬래브의 상면에 단순히 안착되는 형태로 시공된다.As shown in FIG. 2, the flooring for preventing noise between apartment houses according to the present invention is constructed in a simple sheet form and is simply mounted on the upper surface of a floor slab, which is a concrete constituting each indoor floor of the apartment house.

따라서, 시공편의성이 증대될 뿐만 아니라, 시공 후 보수시에도 매우 편리하다.Therefore, not only the ease of construction is enhanced, but also it is very convenient when repairing after construction.

이러한 층간 소음 방지용 바닥재는 하부시트(100)와, 상기 하부시트(100)의 상면에 접착되는 중간시트(200)와, 상기 중간시트(200)의 상면에 접착되는 상부시트(300)로 이루어진다.The flooring for preventing noise between layers includes a lower sheet 100, an intermediate sheet 200 bonded to the upper surface of the lower sheet 100, and an upper sheet 300 bonded to the upper surface of the intermediate sheet 200.

이와 같은 층간 소음 방지용 바닥재는 전체 두께가 20mm를 초과하지 않도록 10-20mm 사이로 형성됨이 바람직하다.It is preferable that the flooring for preventing the interlayer noise is formed to have a thickness of 10 to 20 mm so that the total thickness does not exceed 20 mm.

이때, 상기 하부시트(100)의 저면은 콘크리트 바닥슬래브의 상면에 접착되어야 하므로 하부접착제를 이용하여 시공하게 되며, 평활성을 유지해야 하므로 평면으로 구성된다.At this time, since the bottom surface of the lower sheet 100 is to be adhered to the upper surface of the concrete floor slab, the bottom sheet 100 is constructed using a lower adhesive agent and has a flat surface to maintain smoothness.

여기에서, 상기 하부접착제는 접착력을 높여 들뜸이 생기지 않도록 하기 위해 SBR(Styrene-Butadiene Rubber) 4중량%와, 지르코니아 분말 2.5중량%와, 옥타메틸사이클로테트라실록산(octamethylcyclotetrasiloxane) 6중량%와, 포타슘실리케이트 2.5중량% 및 나머지 폴리에틸렌(PE) 수지로 이루어진다.In order to increase the adhesive strength of the lower adhesive agent, 4 wt% of SBR (styrene-butadiene rubber), 2.5 wt% of zirconia powder, 6 wt% of octamethylcyclotetrasiloxane, 2.5% by weight and the rest of the polyethylene (PE) resin.

이 경우, 상기 SBR(Styrene-Butadiene Rubber)은 스티렌과 부타디엔으로 이루어진 합성고무공중합체로서 좋은 접착력과 마모 저항성 및 노화 안정성을 유지하기 위해 첨가된다.In this case, the above-mentioned SBR (Styrene-Butadiene Rubber) is a synthetic rubbery hole polymer made of styrene and butadiene and added to maintain good adhesion, abrasion resistance and aging stability.

그리고, 상기 지르코니아 분말은 접착력 안정성을 높이기 위해 첨가되며, 상기 옥타메틸사이클로테트라실록산이 방수성 유기물이기 때문에 지르코니아 분말의 비표면적을 작게 해서 수분이 흡수되지 못하도록 함으로써 접착력을 지속적으로 유지시키기 위해 첨가된다.The zirconia powder is added to improve adhesion stability. Since the octamethylcyclotetrasiloxane is a water-resistant organic material, the zirconia powder is added to maintain the adhesive force by reducing the specific surface area of the zirconia powder to prevent moisture from being absorbed.

또한, 상기 포타슘실리케이트(Potassium Silicate)는 무기질로서 내열성은 물론, 특히 결로 및 그에 따른 곰팡이 번식 억제력을 구현하는데도 기여하기 위해 첨가된다.In addition, the potassium silicate is added as an inorganic substance to contribute not only to the heat resistance but also to the dew condensation and consequently the inhibition of fungal growth.

그리고, 상기 폴리에틸렌수지는 접착제를 구성하는 베이스 수지로서 계면접착력을 극대화시켜 고정안정성, 즉 강한 부착력을 구현하기 위한 것이다.The polyethylene resin is used as a base resin for constituting an adhesive to maximize the interfacial adhesion force, thereby realizing the fixing stability, that is, the strong adhesion force.

특히, 상기 하부시트(100)는 상면에 일정크기와 깊이를 갖는 상부완충홈(110) 다수개가 일정간격을 두고 요입 형성된다.Particularly, the upper sheet 100 has a plurality of upper damping grooves 110 having a certain size and depth on the upper surface thereof.

이때, 상기 상부완충홈(110)은 직사각형상으로 형성됨이 바람직하다.At this time, the upper buffer groove 110 is preferably formed in a rectangular shape.

뿐만 아니라, 상기 하부시트(100)는 폴리에틸렌필름층(102)과, 상기 폴리에틸렌필름층(102)의 상면에 합지되는 폴리에틸렌 부직포층(104) 및 상기 폴리에틸렌 부직포층(104) 상면에 도포되어 접합된 폴리우레탄수지층(106)으로 이루어진다.In addition, the lower sheet 100 includes a polyethylene film layer 102, a polyethylene nonwoven fabric layer 104 laminated on the upper surface of the polyethylene film layer 102, and a polyethylene nonwoven fabric layer 104 applied on the upper surface of the polyethylene non- And a polyurethane resin layer 106.

여기에서, 상기 폴리에틸렌필름층(102)은 20중량%의 부틸히드록시 아니졸(BHA)을 포함하는데, 이는 하부시트(100)가 온수배관이 매설된 바닥슬래브에 직접 접촉된다는 점을 감안하여 열에 대한 안정성과 산화방지성이 높아 변형이 억제되고 부착안정성을 강화시키기 때문이다.Here, the polyethylene film layer 102 comprises 20 wt.% Of butylhydroxyanisole (BHA), which means that the bottom sheet 100 is in direct contact with the heated slab, Because of its high stability and antioxidant properties, it suppresses deformation and enhances adhesion stability.

그리고, 상기 폴리에틸렌 부직포층(104)은 필름과 폴리우레탄수지와의 계면 접착력을 강화시켜 앵커링하기 위함이며, 이를 통해 들뜸이나 휨변형을 차단하기 위함이다.The polyethylene nonwoven fabric layer 104 is intended to reinforce the interfacial adhesion between the film and the polyurethane resin so as to anchor the polyethylene nonwoven fabric layer 104 to prevent lifting or warping.

또한, 상기 폴리우레탄수지층(106)은 충격흡수력을 강화시키기 위한 것이다.Further, the polyurethane resin layer 106 is intended to enhance impact absorbing ability.

아울러, 상기 하부완충홈(110)은 상기 폴리우레탄수지층(106)에만 형성되도록 함이 바람직하다.In addition, it is preferable that the lower buffer groove 110 is formed only in the polyurethane resin layer 106.

한편, 상기 하부시트(100)의 상면에 접착되는 중간시트(200)는 하면에 상기 하부완충홈(110)과 겹치지 않도록 어긋난 위치에 형성되는 중간하부완충홈(210)과, 상기 중간시트(200)의 상면에 상기 중간하부완충홈(210)과 어긋나게 배치 형성되는 중간상부완충홈(220)을 포함한다.The intermediate sheet 200 adhered to the upper surface of the lower sheet 100 includes an intermediate lower buffer groove 210 formed at a lower surface of the lower sheet 100 so as not to overlap with the lower buffer groove 110, And an intermediate upper damping groove 220 formed on the upper surface of the intermediate lower damping groove 210 so as to be shifted from the intermediate lower damping groove 210.

이때, 상기 중간하부완충홈(210)과 중간상부완충홈(220)은 상기 하부완충홈(110)과 마찬가지로 직사각형으로 형성된다.At this time, the middle lower cushioning groove 210 and the middle upper cushioning groove 220 are formed in a rectangular shape like the lower cushioning groove 110.

따라서, 상기 중간하부완충홈(210)은 하부시트(100)와 중간시트(200)의 계면에서 국부적으로 공기를 가둬 완충하게 되고, 상기 중간상부완충홈(220)은 중간시트(200)와 상부시트(100)의 계면에서 국부적으로 공기를 가둬 완충하게 된다.The intermediate lower cushioning groove 210 cushions air by locally confining air at the interface between the lower sheet 100 and the intermediate sheet 200. The intermediate upper cushioning groove 220 is formed by interposing the intermediate sheet 200 and the upper The air is locally blocked at the interface of the sheet 100 to cushion it.

아울러, 상기 중간시트(200)는 도 4의 예시와 같이, 다수의 바늘구멍이 형성되어 흡음성을 강화시키면서 상기 폴리우레탄수지층(106)에 접착되는 PET 필름층(202)과, 상기 PET 필름층(202)의 상면에 합지되는 라텍스 필름층(204)과, 상기 라텍스 필름층(204)의 상면에 합지되는 SBS(styrene-butadiene-styrene) 필름층(206)으로 이루어진다.4, the intermediate sheet 200 includes a PET film layer 202 formed with a plurality of needle holes to enhance sound absorption and adhered to the polyurethane resin layer 106, A latex film layer 204 laminated on the upper surface of the latex film layer 202 and a styrene-butadiene-styrene (SBS) film layer 206 laminated on the upper surface of the latex film layer 204.

이때, 상기 PET 필름층(202)에는 20중량%의 PEEK(Polyetheretherketone)가 첨가된다.At this time, 20 wt% of PEEK (polyetheretherketone) is added to the PET film layer 202.

이 경우, 상기 PEEK는 열가소성의 고기능성 플라스틱수지로서 내화학성, 내수성은 물론 고열 안정성이 뛰어나며, 윤활성이 뛰어나 접착제 교반성이 우수하여 열에 충분히 저항하면서 접착안정성을 높이기 위해 첨가된다.In this case, the PEEK is a thermoplastic high-performance plastic resin, which is excellent in heat resistance, chemical resistance, water resistance, and excellent lubrication properties, and is excellent in heat resistance and resistance to heat, so as to improve adhesion stability.

또한, 상기 라텍스 필름층(204)에는 폴리에틸렌수지에 리튬브로마이드가 9:1의 중량비로 혼합된 혼합물 15중량% 첨가된다.The latex film layer 204 is further mixed with 15 wt% of a mixture of polyethylene resin and lithium bromide in a weight ratio of 9: 1.

여기에서, 상기 폴리에틸렌수지는 분자쇄의 직진성이 좋고, 분자쇄의 강도 및 탄성률이 높을 뿐만 아니라, 분자쇄가 완전히 펴질 때까지의 변형량이 작아 고강도, 고탄성률을 확보할 수 있으므로 완충력을 극대화시키며, 상기 리튬브로마이드는 흡습성을 유지하여 폴리에틸렌수지의 열화를 차단한다.Here, the polyethylene resin has a good linearity of the molecular chain, a high molecular chain strength and an elastic modulus, and a small amount of deformation until the molecular chain is fully extended, so that high strength and high elasticity can be ensured, The lithium bromide maintains hygroscopicity and blocks deterioration of the polyethylene resin.

뿐만 아니라, 상기 SBS 필름층(206)은 중앙의 폴리부타디엔 부분에 폴리스티렌 부분이 부착된 중합체인 SBS를 통해 응력 흡수력 강화, 망상구조에 따른 탄성기능에 의한 완충력 강화 기능을 수행하며, 변형 방지와 내열 안정성을 강화시키기 위해 폴리부텐을 10중량% 더 포함한다.In addition, the SBS film layer 206 performs a function of strengthening the stress absorbing ability through the SBS which is a polymer having a polystyrene portion attached to the central polybutadiene portion and a function of strengthening the buffering force by the elastic function according to the network structure. And further contains 10% by weight of polybutene to enhance the stability.

아울러, 상기 중간하부완충홈(210)은 상기 PET 필름층(202)에 형성되고, 상기 중간상부완충홈(220)은 상기 SBS 필름층(206)에 형성된다.The middle lower cushioning groove 210 is formed in the PET film layer 202 and the middle upper cushioning groove 220 is formed in the SBS film layer 206.

그리고, 상기 중간시트(200)의 상면과 하면에는 중간접착제가 도포된 후 상부시트(300) 및 하부시트(100)와 접착되게 된다.An intermediate adhesive is applied to the upper and lower surfaces of the intermediate sheet 200 and then bonded to the upper sheet 300 and the lower sheet 100.

이때, 상기 중간접착제는 디아릴프탈레이트 10중량%와, 폴리이소시아네이트 2.5중량%와, 크레실 글리시드 에테르 5중량%와, 액화무수암모니아 5중량% 및 폴리우레탄수지로 이루어진다.At this time, the intermediate adhesive is composed of 10% by weight of diaryl phthalate, 2.5% by weight of polyisocyanate, 5% by weight of cresyl glycidether, 5% by weight of liquefied anhydrous ammonia and a polyurethane resin.

여기에서, 상기 디아릴프탈레이트는 접착성과 인성을 개선하여 부착안정성을 포함한 내열성과 치수안정성을 증대시키기 위해 첨가되고, 상기 폴리이소시아네이트는 경화 촉진을 위해 첨가되며, 상기 크레실 글리시드 에테르는 계면 부착력을 강화시켜 들뜸, 탈락을 방지하기 위해 첨가되고, 상기 액화무수암모니아는 방수성과 밀착성을 강화시키기 위해 첨가된다.Wherein the diaryl phthalate is added to improve adhesion and toughness so as to increase heat resistance and stability including stability of the adhesive, the polyisocyanate is added for accelerating curing, and the cresyl glycidether has an interfacial adhesion And the liquefied anhydrous ammonia is added to enhance the waterproof property and the adhesion property.

다른 한편, 상기 상부시트(300)는 도 5의 예시와 같이, 하면에 다수의 상부완충홈(310)을 형성하되, 상기 중간시트(200)의 상면에 형성된 중간상부완충홈(220)과 겹치지 않도록 어긋나게 형성되어야 한다.5, the upper sheet 300 is formed with a plurality of upper shock-absorbing grooves 310 on the lower surface thereof, and an intermediate upper shock-absorbing groove 220 formed on the upper surface of the intermediate sheet 200, .

그리고, 상기 상부시트(300)는 주된 완충기능을 수행하는 PU폼층(302)과, 상기 PU폼층(302)의 상면에 합지된 스킨층(304)으로 이루어진다.The upper sheet 300 includes a PU foam layer 302 and a skin layer 304 bonded to the upper surface of the PU foam layer 302.

이때, 상기 PU폼층(302)과 스킨층(304)의 두께 비율은 2:1이 되도록 PU폼층(302)의 두께가 스킨층(304) 보다 2배 더 두껍게 형성되어야 한다.At this time, the thickness of the PU foam layer 302 should be formed to be twice as thick as that of the skin layer 304 such that the thickness ratio of the PU foam layer 302 and the skin layer 304 is 2: 1.

특히, 상기 PU폼층(302)은 폴리우레탄수지의 강성과 내열변형성을 강화하여 내구성을 증대시키면서 탄성완충력을 강화시키기 위해 인산에스테르나트륨염을 5중량% 포함하여 구성된다.In particular, the PU foam layer 302 comprises 5 wt% of phosphoric acid ester sodium salt in order to enhance the durability and the elastic buffering property by strengthening the rigidity and thermal deformation resistance of the polyurethane resin.

아울러, 상기 스킨층(304)은 PET 필름으로 이루어지되, 산화방지기능과 내변색성을 강화시키도록 메타인산염을 5중량% 포함하도록 구성된다.In addition, the skin layer 304 is made of a PET film and is configured to contain 5% by weight of metaphosphate so as to enhance the antioxidant function and the anti-discoloration property.

이러한 구성으로 이루어진 본 발명에 따른 층간 소음 방지용 바닥재의 특성 확인을 위해 상술한 본 발명의 구성 그대로 샘플 시트를 만든 후 충격완충 기능이 있는지 확인하였다.In order to confirm the characteristics of the flooring material for preventing the interlaminar noise according to the present invention having such a structure, a sample sheet was prepared in the same manner as the structure of the present invention described above, and a shock buffering function was confirmed.

충격완충 기능 시험은 샘플 바닥재의 수직 상방 3m 높이에서 야구공을 자유낙하시킨 후 탄성반발되는 높이를 측정하였다. 또한, 충돌시 소음도 소음측정기로 측정하였다.The impact buffering function test measured the height of elastic rebound after freezing the baseball at a height of 3m above the bottom of the sample. Also, the noise was measured with a noise meter.

이때, 비교를 위해 일반 바닥슬래브와 같은 콘크리트 시료를 만들고, 동일하게 실험하였다.At this time, a concrete sample such as a general floor slab was made for comparison and the same experiment was performed.

아울러, 실험은 20회 반복수행하여 평균값을 산출하여 종래 콘크리트 시료와 비교하였으며, 정확한 판독을 위해 영상으로 촬영후 영상을 분석하였다.In addition, the experiment was repeated 20 times and the mean value was calculated and compared with the conventional concrete sample.

실험결과, 본 발명에 따른 바닥재의 경우 탄성반발 높이가 평균 8.8cm였지만, 콘크리트 시료의 경우 45.4cm였다.As a result of the test, the elastic rebound height of the floor material according to the present invention averaged 8.8 cm, but the concrete sample was 45.4 cm.

그리고, 소음측정결과 본 발명에 따른 바닥재가 종래 콘크리트 시료 보다 45dB 더 적게 측정되었다.As a result of the noise measurement, the flooring according to the present invention was measured by 45 dB less than the conventional concrete sample.

이를 통해, 본 발명에 따른 바닥재는 상당한 충격 완충 및 소음 흡수 효과가 있는 것으로 확인되었다.Thus, it has been confirmed that the flooring according to the present invention has considerable impact buffering and sound absorbing effect.

이와 같이, 본 발명에 따른 층간 소음 방지장치는 완벽한 진동 소음 차단, 방지효과가 있어 특히, 아파트와 같은 공동주택의 층간 소음 문제를 해결하는데 그 활용폭이 매우 클 것으로 기대된다.As described above, the apparatus for preventing an interlayer noise according to the present invention has a perfect vibration noise preventing and preventing effect, and it is expected that the application of the apparatus to solve the interlayer noise problem of apartment houses and the like is very large.

100: 하부시트 200: 중간시트
300: 상부시트 100: lower sheet 200: intermediate sheet
300: upper sheet

Claims (1)

하부시트(100)와, 상기 하부시트(100)의 상면에 접착되는 중간시트(200)와, 상기 중간시트(200)의 상면에 접착되는 상부시트(300)로 이루어지고, 전체 두께가 10-20mm를 갖는 공동주택 층간소음 방지용 바닥재에 있어서;
상기 하부시트(100)는 상면에 일정크기와 깊이를 갖는 상부완충홈(110) 다수개가 일정간격을 두고 요입 형성되고, 바닥면에 접착되는 폴리에틸렌필름층(102)과, 상기 폴리에틸렌필름층(102)의 상면에 합지되는 폴리에틸렌 부직포층(104) 및 상기 폴리에틸렌 부직포층(104) 상면에 도포되어 접합된 폴리우레탄수지층(106)으로 이루어지며, 상기 상부완충홈(110)은 상기 폴리우레탄수지층(106)에만 형성되고;
상기 중간시트(200)는 하면에 상기 상부완충홈(110)과 겹치지 않도록 어긋나게 형성되는 중간하부완충홈(210)과, 상기 중간시트(200)의 상면에 상기 중간하부완충홈(210)과 어긋나게 배치 형성되는 중간상부완충홈(220)을 포함하며, 다수의 바늘구멍이 형성되어 흡음성을 가지면서 상기 폴리우레탄수지층(106)에 접착되는 PET 필름층(202)과, 상기 PET 필름층(202)의 상면에 합지되는 라텍스 필름층(204)과, 상기 라텍스 필름층(204)의 상면에 합지되는 SBS(styrene-butadiene-styrene) 필름층(206)으로 이루어지고;
상기 상부시트(300)는 하면에 다수의 상부완충홈(310)을 형성하되, 상기 중간시트(200)의 상면에 형성된 중간상부완충홈(220)과 겹치지 않도록 어긋나게 형성되고, 완충기능을 수행하는 PU폼층(302)과, 상기 PU폼층(302)의 상면에 합지된 스킨층(304)으로 이루어지며, 상기 PU폼층(302)의 두께는 스킨층(304) 보다 2배 더 두껍게 형성된 것을 특징으로 하는 공동주택 층간소음 방지용 바닥재.
An intermediate sheet 200 adhered to the upper surface of the lower sheet 100 and an upper sheet 300 adhered to the upper surface of the intermediate sheet 200, Wherein the flooring for preventing noise between layers of a building having a thickness of 20 mm is provided with:
The lower sheet 100 includes a plurality of upper buffer grooves 110 having a predetermined size and a predetermined depth on a top surface of the lower sheet 100 and having a predetermined gap therebetween. The lower sheet 100 includes a polyethylene film layer 102 adhered to the bottom surface, And a polyurethane resin layer 106 which is applied and bonded to the upper surface of the polyethylene nonwoven fabric layer 104. The upper buffer groove 110 is made of the polyurethane resin layer 104, (106) only;
The intermediate sheet 200 includes an intermediate lower cushioning groove 210 formed on the lower surface of the intermediate sheet 200 so as not to overlap with the upper cushioning groove 110, A PET film layer 202 including an intermediate upper cushioning groove 220 and a plurality of needle holes formed therein and adhered to the polyurethane resin layer 106 with sound absorption properties; And a layer of styrene-butadiene-styrene (SBS) film 206 laminated on the upper surface of the latex film layer 204;
The upper sheet 300 is formed to have a plurality of upper damping grooves 310 formed on its lower surface so as not to overlap the intermediate upper damping grooves 220 formed on the upper surface of the intermediate sheet 200, A PU foam layer 302 and a skin layer 304 bonded to the upper surface of the PU foam layer 302. The thickness of the PU foam layer 302 is twice as thick as that of the skin layer 304 Flooring for preventing noise between apartment houses.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230011515A (en) 2021-07-13 2023-01-25 김재화 the functional mat
KR102527869B1 (en) 2022-02-17 2023-05-02 이윤희 Panel for prevention floor noise

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3145024B2 (en) 1996-02-08 2001-03-12 永大産業株式会社 Wooden soundproof flooring
KR100767706B1 (en) 2006-04-14 2007-10-18 김재홍 Interlayer sound insulation for building and manufacturing method
JP2015081495A (en) 2013-10-24 2015-04-27 株式会社ノダ Flooring
JP2015190129A (en) 2014-03-27 2015-11-02 朝日ウッドテック株式会社 Finishing floor material and floor structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3145024B2 (en) 1996-02-08 2001-03-12 永大産業株式会社 Wooden soundproof flooring
KR100767706B1 (en) 2006-04-14 2007-10-18 김재홍 Interlayer sound insulation for building and manufacturing method
JP2015081495A (en) 2013-10-24 2015-04-27 株式会社ノダ Flooring
JP2015190129A (en) 2014-03-27 2015-11-02 朝日ウッドテック株式会社 Finishing floor material and floor structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230011515A (en) 2021-07-13 2023-01-25 김재화 the functional mat
KR102527869B1 (en) 2022-02-17 2023-05-02 이윤희 Panel for prevention floor noise

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