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KR20200082848A - Cushioning material for deduction of floor impact noise and manufacturing method thereof - Google Patents

Cushioning material for deduction of floor impact noise and manufacturing method thereof Download PDF

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Publication number
KR20200082848A
KR20200082848A KR1020180173826A KR20180173826A KR20200082848A KR 20200082848 A KR20200082848 A KR 20200082848A KR 1020180173826 A KR1020180173826 A KR 1020180173826A KR 20180173826 A KR20180173826 A KR 20180173826A KR 20200082848 A KR20200082848 A KR 20200082848A
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Prior art keywords
absorbing material
material layer
sound absorbing
sound
fiber
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KR102220518B9 (en
KR102220518B1 (en
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김명순
박성민
이정엽
이은수
김지혜
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다이텍연구원
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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
    • 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
    • B32B3/30—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 a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • 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
    • B32B5/22—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/245—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it being a foam 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0253—Polyolefin fibres
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • B32B2262/0284—Polyethylene terephthalate [PET] or polybutylene terephthalate [PBT]
    • 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
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/0278—Polyurethane
    • 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
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/38—Meshes, lattices or nets
    • 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
    • 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)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Textile Engineering (AREA)
  • Floor Finish (AREA)
  • Building Environments (AREA)

Abstract

The present invention relates to a shock absorbing material for reducing inter-floor noise to prevent inter-floor noise in an apartment house or a detached house, and a manufacturing method thereof and, more specifically, to a shock absorbing material for reducing inter-floor noise and a manufacturing method thereof, wherein the shock absorbing material comprises: a first sound absorbing material layer; a second sound absorbing material layer formed under the first sound absorbing material layer; a third sound absorbing material layer formed under the second sound absorbing material layer; and a fourth sound absorbing material layer formed under the third sound absorbing material layer. The shock absorbing material for reducing inter-floor noise according to the present invention realizes floor shock sound insulation performance effective concurrently at light and heavy shock sounds to be applicable to a new floor structure system of a high-rise building, to be applicable to all of office and residence buildings besides the high-rise building, and to be widely applicable to other buildings like a public facility and a sports facility.

Description

층간소음 저감 완충재 및 이의 제조방법{Cushioning material for deduction of floor impact noise and manufacturing method thereof}Cushioning material for deduction of floor impact noise and manufacturing method thereof

본원 발명은 공동주택 또는 단독주택의 층간소음 방지를 위한 용도의 층간소음 저감 완충재 및 이의 제조방법에 대한 것이다.The present invention relates to an interlayer noise reduction buffer material for the purpose of preventing interlayer noise in an apartment house or a detached house and a method for manufacturing the same.

보다 구체적으로는 제1흡음재층; 상기 제1흡음재층의 하부에 구성되는 제2흡음재층; 상기 제2흡재층의 하부에 구성되는 제3흡음재층; 및 상기 제3흡음재층의 하부에 구성되는 제4흡음재층을 포함하는 것을 특징으로 하는 층간소음 저감 완충재 및 이의 제조방법에 대한 것이다.More specifically, the first sound absorbing layer; A second sound absorbing material layer formed under the first sound absorbing material layer; A third sound absorbing layer formed under the second absorbing layer; And a fourth sound absorbing material layer formed below the third sound absorbing material layer.

고층복합빌딩과 공동주택의 건축기술은 미래의 건설시장에서 필수적으로 요구되는 기술이다. 특히, 공동주택의 수요 증가와 함께 사무공간과 거주공간의 고층화에 따른 실내 환경의 질적 수준에 대한 수요와 요구도 급격히 증가하고 있다. 층간소음저감을 위한 바닥차음재 및 바닥구조시스템에 대한 수요는 모든 공동주택의 완공전 등급고시가 의무화된 이후 국내의 건설시장에서 기하급수적으로 증가하고 있다.High-rise multi-storey and multi-family building construction technology is an essential technology in the future construction market. In particular, with the increase in the demand for apartment houses, the demand and demand for the qualitative level of the indoor environment has increased rapidly due to the heightening of office space and residential space. Demand for floor insulation materials and floor structure systems to reduce floor noise has increased exponentially in the domestic construction market since all public housing units are required to be notified of grades before completion.

우리나라 공동주택은 통상 두께 120 ∼ 210mm의 콘크리트로 이루어진 벽체 및 바닥이 서로 연결되어 하나의 건물 구조체로 구성되는 벽식구조가 대부분이다. 이러한 콘크리트 구조는 재료의 특성상 강성이 있고 밀실하기 때문에 말소리 , TV음 등 공기를 매체로 전달되는 공기 전달음에 대해서는 충분한 차단성능을 갖고 있다.Most Korean apartment houses have a wall-type structure consisting of a single building structure with walls and floors made of concrete with a thickness of 120 to 210 mm. Since this concrete structure is rigid and dense due to the nature of the material, it has sufficient blocking performance against air transmission sounds such as speech sounds and TV sounds that are transmitted to the medium.

그러나 콘크리트면에 충격이 가하여질 때 발생되는 고체 전달음의 경우 콘크리트는 자체 진동 감쇄능력이 매우 작기 때문에 인접 세대로 쉽게 전달되는 특성을 갖고 있다. 공동주택에서의 이러한 고체 전달음은 위층에서 뛰는 소리, 물건 떨어뜨리는 소리, 망치소리, 급배수관 · 화장실 하수관 등에서 발생하는 음 등이 있다.However, in the case of a solid transmission sound generated when an impact is applied to a concrete surface, concrete has a property of being easily transmitted to adjacent generations because its vibration damping ability is very small. These solid transmission sounds in apartments include the sound of jumping upstairs, dropping objects, the sound of a hammer, and the sound generated from water supply pipes and toilet sewers.

이와 같은 층간소음 방지 차음재에 대한 종래기술로는 직물기재인 소음방지층과 흡음시트인 다공성시트와 소음방지시트인 부직포시트, 방수시트로 구성된 차음부재가 구비된 구성의 직물기재를 이용한 차음재 및 그의 설치방법에 관한 것으로 한국 등록특허공보 제10-0922009호 등이 공지되어 있다.As a prior art for such an inter-layer noise-preventing sound-insulating material, a sound-absorbing material using a fabric material having a sound-absorbing member composed of a fabric-based noise-preventing layer, a sound-absorbing sheet, a non-woven fabric sheet, and a waterproof sheet, and a sound-absorbing material using the fabric material are installed. Korean Patent Publication No. 10-0922009 and the like are known as methods.

층간소음의 공해로 인한 공동주택 입주자간의 분쟁이 끊이지 않고 있으며, 이에 따라 본원 발명에서는 소음과 진동의 흡수에 뛰어난 섬유소재를 기반으로 기존 차음소재에 비하여 충격음 차단효과가 우수한 바닥구조 시스템을 개발하여 일반 공동주택 및 체육시설 등 기타 건축물에도 광범위하게 적용이 가능한 섬유복합구조체를 이용한 층간소음 완충재로 다공성중공합성섬유복합체를 이용한 층간 완충재를 제공하고자 한다.Disputes between tenants of apartment houses due to pollution of inter-floor noise are not endless, and accordingly, in the present invention, a floor structure system with superior impact sound blocking effect compared to existing sound insulation materials is developed based on fiber materials that are excellent in absorbing noise and vibration. We intend to provide an interlayer buffer material using a porous hollow fiber composite material as an interlayer noise buffer material using a fiber composite structure that can be widely applied to other buildings such as apartments and sports facilities.

한국 등록특허공보 제10-0922009호.Korean Registered Patent Publication No. 10-0922009.

본원 발명은 상기 문제점들을 해결하기 위해 개발된 것으로, 발수성을 가지는 중공사 부직포를 포함하는 섬유복합체를 활용하여 층간소음 흠차음을 극대화한 층간소음 저감 완층재를 제공하는 것을 목적으로 한다.The present invention has been developed to solve the above problems, and it is an object of the present invention to provide an interlayer noise reduction thin layer material that maximizes interlayer noise defects by utilizing a fiber composite comprising a hollow fiber nonwoven fabric having water repellency.

본원 발명에서는 상기 과제를 해결하기 위하여 제1흡음재층; 상기 제1흡음재층의 하부에 구성되는 제2흡음재층; 상기 제2흡재층의 하부에 구성되는 제3흡음재층; 및 상기 제3흡음재층의 하부에 구성되는 제4흡음재층을 포함하는 층간소음 저감 완충재에 있어서, 제1흡음재층 및 제4흡음재층은 발수성을 가지는 중공사 부직포를 포함하는 섬유복합제인 것을 제공한다.In the present invention, the first sound absorbing material layer to solve the above problems; A second sound absorbing material layer formed under the first sound absorbing material layer; A third sound absorbing layer formed under the second absorbing layer; And a fourth sound absorbing material layer comprising a fourth sound absorbing material layer formed under the third sound absorbing material layer. .

본원 발명에 따른 층간소음 저감 완충재는 경량 및 중량충격음에 동시에 효과적인 바닥충격음 차음성능을 발휘하여 고층건물의 새로운 바닥구조 시스템에 적용이 가능한 장점이 있다.The inter-floor noise reduction buffer according to the present invention has the advantage that it can be applied to a new floor structure system of a high-rise building by exerting effective sound insulation performance of a floor impact sound at the same time as a lightweight and heavy impact sound.

본원 발명에 따른 층간소음 저감 완충재는 새로운 층간소음 저감용 신소재로서 기존의 건설시장에 효과적인 바닥구조시스템으로 활용할 수 있다.The inter-floor noise reduction buffer material according to the present invention can be utilized as an effective floor structure system in the existing construction market as a new material for reducing inter-floor noise.

본원 발명에 따른 층간소음 저감 완충재는 고층빌딩 이외에도 모든 사무용, 거주용 건물에 적용이 가능하며 공공시설과 체육시설 등 기타 건축물에도 광범위하게 적용이 가능하다.The buffer for reducing floor noise according to the present invention can be applied to all office and residential buildings in addition to high-rise buildings, and can be widely applied to other buildings such as public facilities and sports facilities.

도 1은 본원 발명의 일 구현예에 따른 제1흡음재층 및 상기 제1흡음재층의 하부에 구성되는 제2흡음재층을 개략적으로 나타낸 것이다.
도 2는 본원 발명의 일 구현예에 따른 제1흡음재층; 상기 제1흡음재층의 하부에 구성되는 제2흡음재층 및 상기 제2흡재층의 하부에 구성되는 제4흡음재층을 개략적으로 나타낸 것이다.
도 3은 본원 발명의 일 구현예에 따른 제1흡음재층; 상기 제1흡음재층의 하부에 구성되는 제2흡음재층 및 상기 제2흡재층의 하부에 구성되는 제3흡음재층을 개략적으로 나타낸 것이다.
도 4는 본원 발명의 일 구현예에 따른 제1흡음재층; 상기 제1흡음재층의 하부에 구성되는 제2흡음재층; 상기 제2흡재층의 하부에 구성되는 제3흡음재층; 및 상기 제3흡음재층의 하부에 구성되는 제4흡음재층을 포함하는 것을 특징으로 하는 층간소음 저감 완충재를 개략적으로 나타낸 것이다.
도 5는 본원 발명의 일 구현예에 따른 층간소음 저감 완충재의 습식공법으로 시공예를 나타낸 것이다.
도 6은 본원 발명의 일 구현예에 따른 층간소음 저감 완충재의 반건식공법으로 시공예를 나타낸 것이다.1 schematically shows a first sound absorbing material layer and a second sound absorbing material layer formed under the first sound absorbing material layer according to an embodiment of the present invention.
2 is a first sound absorbing material layer according to an embodiment of the present invention; It schematically shows a second sound absorbing material layer formed under the first sound absorbing material layer and a fourth sound absorbing material material layer formed under the second sound absorbing material layer.
3 is a first sound absorbing material layer according to an embodiment of the present invention; It schematically shows a second sound absorbing material layer formed under the first sound absorbing material layer and a third sound absorbing material layer formed under the second sound absorbing material layer.
4 is a first sound absorbing material layer according to an embodiment of the present invention; A second sound absorbing material layer formed under the first sound absorbing material layer; A third sound absorbing layer formed under the second absorbing layer; And a fourth sound absorbing material layer formed under the third sound absorbing material layer.
Figure 5 shows a construction example by the wet method of the interlayer noise reduction buffer according to an embodiment of the present invention.
Figure 6 shows a construction example by a semi-dry method of interlayer noise reduction buffer according to an embodiment of the present invention.

이하, 본원 발명에 대해 상세하게 설명하기로 한다. 본 명세서 및 청구범위에 사용된 용어나 단어는 통상적이거나 사전적인 의미로 한정해서 해석되어서는 아니 되며, 발명자는 그 자신의 발명을 가장 최선의 방법으로 설명하기 위해 용어의 개념을 적절하게 정의할 수 있다는 원칙에 입각하여 본원 발명의 기술적 사상에 부합하는 의미와 개념으로 해석되어야만 한다.Hereinafter, the present invention will be described in detail. The terms or words used in the specification and claims should not be interpreted as being limited to ordinary or dictionary meanings, and the inventor can appropriately define the concept of terms in order to best describe his or her invention. Based on the principle of being present, it should be interpreted as meanings and concepts consistent with the technical spirit of the present invention.

본원 발명에서는 상기 과제를 해결하기 위하여 제1흡음재층; 상기 제1흡음재층의 하부에 구성되는 제2흡음재층; 상기 제2흡재층의 하부에 구성되는 제3흡음재층; 및 상기 제3흡음재층의 하부에 구성되는 제4흡음재층을 포함하는 것을 특징으로 하는 층간소음 저감 완충재를 제공한다.In the present invention, the first sound absorbing material layer to solve the above problems; A second sound absorbing material layer formed under the first sound absorbing material layer; A third sound absorbing layer formed under the second absorbing layer; And a fourth sound absorbing material layer formed under the third sound absorbing material layer.

본원 발명의 일 구현예에 따른 상기 제1흡음재층 및 제4흡음재층은 발수성을 가지는 중공사를 포함할 수 있고, 상기 제1흡음재층 및 제4흡음재층은 부직포로 제조될 수 있으며, 상기 부직포는 폴리프로필렌(PP) 섬유, 폴리에틸렌테레프탈레이트(PET) 섬유, 탄성 저융점 폴리에틸렌테레프탈레이트(low melting PET: LM PET) 섬유, 이중 크림프 섬유(double crimp fiber) 구성되는 섬유 중 어느 하나 이상으로 제조되는 부직포일 수 있다.The first sound absorbing material layer and the fourth sound absorbing material layer according to an embodiment of the present invention may include a hollow fiber having water repellency, and the first sound absorbing material layer and the fourth sound absorbing material layer may be made of a nonwoven fabric, and the nonwoven fabric Is made of any one or more of polypropylene (PP) fiber, polyethylene terephthalate (PET) fiber, elastic low-melting polyethylene terephthalate (low melting PET: LM PET) fibers, fibers composed of double crimp fiber (double crimp fiber) It may be a non-woven fabric.

본원 발명의 일 구현예에 따른 상기 부직포는 폴리프로필렌(PP) 섬유, 폴리에틸렌테레프탈레이트(PET) 섬유, 탄성 저융점 폴리에틸렌테레프탈레이트(low melting PET: LM PET) 섬유를 혼합하여 니들펀칭(needle punching) 방법으로 제조되는 것일 수 있다.The non-woven fabric according to an embodiment of the present invention is a mixture of polypropylene (PP) fiber, polyethylene terephthalate (PET) fiber, elastic low melting polyethylene terephthalate (low melting PET: LM PET) fiber, needle punching (needle punching) It may be manufactured by a method.

본원 발명의 일 구현예에 따른 상기 부직포는 탄성 저융점 폴리에틸렌테레프탈레이트(low melting PET: LM PET), 이중 크림프 섬유(double crimp fiber) 및 폴리프로필렌(PP) 섬유를 혼합하여 에어 레이드(air laid) 방법으로 제조될 수 있다.The non-woven fabric according to an embodiment of the present invention is an air laid by mixing elastic low melting polyethylene terephthalate (LM PET), double crimp fiber and polypropylene (PP) fiber. It can be prepared by a method.

본원 발명의 일 구현예에 따른 상기 제2흡음재층 및 제3흡음재층은 폴리우레탄 폼(PU foam), 에틸렌 비닐 아세테이트 폼(EVA foam), 발포 폴리스티렌(expanded polystyrene: EPS)일 수 있고, 상기 제2흡음재층은 상부면 또는 하부면 중 어느 하나이상의 방향으로 볼록형상 또는 오목형상의 엠보싱부가 형성될 수 있다.The second sound absorbing material layer and the third sound absorbing material layer according to an embodiment of the present invention may be polyurethane foam (PU foam), ethylene vinyl acetate foam (EVA foam), expanded polystyrene (expanded polystyrene: EPS), 2 The sound absorbing material layer may be formed with an embossed portion having a convex shape or a concave shape in one or more directions of an upper surface or a lower surface.

본원 발명의 일 구현예에 따른 상기 제3흡음재층은 다공성 메시(mesh) 구조일 수 있다.The third sound absorbing material layer according to an embodiment of the present invention may be a porous mesh (mesh) structure.

또한, 본원 발명에서는 발수성을 가지는 중공사로 이루어진 제1흡음재층을 준비하는 단계; 상기 제1흡음재층의 하부에 적층 구성되는 상부면 또는 하부면 중 어느 하나 이상에 엠보싱 형태의 돌출부가 형성된 제2흠음재층을 구비하는 단계; 상기 제2흡음재층의 하부에 적층 구성되는 다공성 메시(mesh) 구조인 제3흡음재층을 구비하는 단계; 및 상기 제3흡음재층의 하부에 적층 구성되는 발수성을 가지는 중공사로 이루어진 제1흡음재층을 구비하는 단계를 포함하는 층간소음 저감 완충재의 제조방법을 제공한다.In addition, in the present invention, preparing a first sound absorbing material layer made of hollow fiber having water repellency; Providing a second sound-absorbing material layer formed with an embossed protrusion on any one or more of the upper or lower surfaces of the first sound-absorbing material layer; Providing a third sound absorbing material layer having a porous mesh structure that is stacked under the second sound absorbing material layer; And providing a first sound absorbing material layer made of a hollow fiber having water repellency, which is laminated on the bottom of the third sound absorbing material layer.

이하, 본원 발명의 바람직한 실시 예를 첨부한 도면과 같이 본원이 속하는 기술 분야에서 일반적인 지식을 가진 자가 쉽게 실시할 수 있도록 본원의 구현 예 및 실시 예를 상세히 설명한다. 특히 이것에 의해 본원 발명의 기술적 사상과 그 핵심 구성 및 작용이 제한을 받지 않는다. 또한, 본원 발명의 내용은 여러 가지 다른 형태의 장비로 구현될 수 있으며, 여기에서 설명하는 구현 예 및 실시 예에 한정되지 않는다.Hereinafter, embodiments and examples of the present application will be described in detail so that those skilled in the art to which the present application pertains may easily implement the preferred embodiments of the present invention. In particular, the technical idea of the present invention and its core configuration and operation are not limited by this. In addition, the content of the present invention may be implemented with various other types of equipment, and is not limited to the implementation examples and embodiments described herein.

도 1은 본원 발명의 일 구현예에 따른 제1흡음재층(10) 및 상기 제1흡음재층의 하부에 구성되는 제2흡음재층(20)을 개략적으로 나타낸 것이다.FIG. 1 schematically shows a first sound absorbing material layer 10 and a second sound absorbing material layer 20 formed under the first sound absorbing material layer according to an embodiment of the present invention.

보다 구체적으로는 발수 중공사와 폴리프로필렌 부직포의 이중구조로 성형된 제1흠음재층의 하부에 에틸렌 비닐 아세테이트 폼(EVA foam)의 제2흡음재층이 구성되는 형태를 나타낸 것이다.More specifically, it shows a form in which a second sound absorbing material layer of ethylene vinyl acetate foam (EVA foam) is formed under the first sound absorbing material layer formed of a dual structure of water-repellent hollow fiber and polypropylene nonwoven fabric.

이때 제1흡음재층은 폴리프로필렌(PP) : 폴리에틸렌테레프탈레이트(PET) : 탄성 저융점 폴리에틸렌테레프탈레이트(low melting PET: LM PET)를 각각 30~50 : 30~50 : 10~30 중량으로 혼합하여 니들펀칭(needle punching) 방법으로 제조하거나, 탄성 저융점 폴리에틸렌테레프탈레이트(low melting PET: LM PET), 이중 크림프 섬유(double crimp fiber) 및 폴리프로필렌(PP) 섬유를 각각 5~15 : 30~50 : 30~50 중량으로 혼합하여 에어 레이드(air laid) 방법으로 제조될 수 있다.At this time, the first sound-absorbing material layer is polypropylene (PP): polyethylene terephthalate (PET): elastic low-melting polyethylene terephthalate (low melting PET: LM PET) 30 to 50: 30 to 50: 10 to 30 by mixing each weight Prepared by needle punching method, or elastic low-melting polyethylene terephthalate (LM PET), double crimp fiber and polypropylene (PP) fibers 5-15: 30-50 : It can be prepared by mixing with 30~50 weight by air laid method.

도 2는 본원 발명의 일 구현예에 따른 제1흡음재층(10); 상기 제1흡음재층의 하부에 구성되는 제2흡음재층(20) 및 상기 제2흡재층의 하부에 구성되는 제4흡음재층(40)을 개략적으로 나타낸 것이다.2 is a first sound absorbing material layer 10 according to an embodiment of the present invention; It schematically shows a second sound absorbing material layer 20 formed under the first sound absorbing material layer and a fourth sound absorbing material layer 40 formed under the second sound absorbing material layer.

보다 구체적으로는 발수 중공사와 폴리프로필렌 부직포의 이중구조로 성형된 제1흠음재층의 하부에 구성되는 에틸렌 비닐 아세테이트 폼(EVA foam)의 제2흡음재층이 구성되고, 상기 제2흡음재층의 하부에 추가로 발수 중공사와 폴리프로필렌 부직포의 이중구조로 성형된 제4흠음재층이 구성되는 형태를 나타낸 것이다.More specifically, a second sound absorbing material layer of ethylene vinyl acetate foam (EVA foam) is formed under the first sound absorbing material layer formed of a dual structure of water-repellent hollow fiber and polypropylene non-woven fabric, and at the bottom of the second sound absorbing material layer. In addition, it shows a form in which a fourth sound-insulating material layer formed of a dual structure of water-repellent hollow fiber and polypropylene nonwoven fabric is formed.

도 3은 본원 발명의 일 구현예에 따른 제1흡음재층(10); 상기 제1흡음재층의 하부에 구성되는 제2흡음재층(20) 및 상기 제2흡재층의 하부에 구성되는 제3흡음재층(30)을 개략적으로 나타낸 것이다.3 is a first sound absorbing material layer 10 according to an embodiment of the present invention; It schematically shows a second sound absorbing material layer 20 formed under the first sound absorbing material layer and a third sound absorbing material layer 30 formed under the second sound absorbing material layer.

보다 구체적으로는 발수 중공사와 폴리프로필렌 부직포의 이중구조로 성형된 제1흠음재층의 하부에 구성되는 에틸렌 비닐 아세테이트 폼(EVA foam)의 제2흡음재층이 구성되고, 상기 제2흡음재층의 하부에 다공성 메시(mesh) 구조인 제3흡음재층이 구성되는 형태를 나타낸 것이고, 이때 제3흡음재층은 제2흡음재층과 동일한 소재인 에틸렌 비닐 아세테이트 폼(EVA foam)을 사용하여 그 형상만 다공성 메시(mesh) 구조로 구성하는 것이 바람직하다.More specifically, a second sound absorbing material layer of ethylene vinyl acetate foam (EVA foam) is formed under the first sound absorbing material layer formed of a dual structure of water-repellent hollow fiber and polypropylene non-woven fabric, and at the bottom of the second sound absorbing material layer. It shows a form in which the third sound absorbing material layer, which is a porous mesh structure, is formed, and the third sound absorbing material layer uses only the same material as ethylene vinyl acetate foam, which is the same material as the second sound absorbing material layer, to form a porous mesh ( mesh) structure.

이때 도 3의 (a)는 제2흡음재층은 상부면과 하부면 모두에 볼록형상의 엠보싱부가 형성된 것이고, 도 3의 (b)는 제2흡음재층은 하부면에 볼록형상의 엠보싱부가 형성된 것으로 이때 엠보싱부는 원형 또는 다각형의 형상일 수 있다.At this time, Figure 3 (a) is a second sound absorbing material layer is a convex embossed portion is formed on both the upper and lower surfaces, Figure 3 (b) is the second sound absorbing material layer is a convex embossed portion is formed on the lower surface at this time embossing The part may be circular or polygonal in shape.

도 4는 본원 발명의 일 구현예에 따른 제1흡음재층(10); 상기 제1흡음재층의 하부에 구성되는 제2흡음재층(20); 상기 제2흡재층의 하부에 구성되는 제3흡음재층(30); 및 상기 제3흡음재층의 하부에 구성되는 제4흡음재층(40)을 포함하는 것을 특징으로 하는 층간소음 저감 완충재를 개략적으로 나타낸 것이다.4 is a first sound absorbing material layer 10 according to an embodiment of the present invention; A second sound absorbing material layer 20 formed under the first sound absorbing material layer; A third sound absorbing layer 30 formed under the second absorbing layer; And a fourth sound absorbing material layer 40 formed under the third sound absorbing material layer.

보다 구체적으로 발수 중공사와 폴리프로필렌 부직포의 이중구조로 성형된 제1흠음재층의 하부에 구성되는 에틸렌 비닐 아세테이트 폼(EVA foam)의 제2흡음재층이 구성되고, 상기 제2흡음재층의 하부에 다공성 메시(mesh) 구조인 제3흡음재층이 구성되며 이의 하부에 추가적으로 발수 중공사와 폴리프로필렌 부직포의 이중구조로 성형된 제4흠음재층이 구성되는 형태를 나타낸 것이다.More specifically, a second sound absorbing material layer of ethylene vinyl acetate foam (EVA foam) is formed under the first sound absorbing material layer formed of a dual structure of water-repellent hollow fiber and polypropylene nonwoven fabric, and porous at the bottom of the second sound absorbing material layer. A third sound absorbing material layer having a mesh structure is formed, and a fourth sound absorbing material layer formed of a double structure of water-repellent hollow fiber and polypropylene nonwoven fabric is additionally formed underneath.

도 5는 본원 발명의 일 구현예에 따른 층간소음 저감 완충재의 습식공법으로 시공예를 나타낸 것이다.Figure 5 shows a construction example by the wet method of the interlayer noise reduction buffer according to an embodiment of the present invention.

보다 구체적으로 습식공법으로 시공시에는 약 210mm 두께의 콘크리트 슬래브 상에 층간소음 저감 완충재를 시공하고, 상부에 경량기포 콘크리트를 약 40 mm 두께로 시공한 후, 마감몰탈 약 40 mm를 시공한 후 바닥마감재를 시공하는 것이 바람직하다.More specifically, when constructing with a wet method, an interlayer noise-reducing cushioning material is installed on a concrete slab of about 210 mm thick, and light-weight foam concrete is applied at a thickness of about 40 mm, and then the finishing mortar is about 40 mm, and then on the floor. It is desirable to apply the finishing material.

도 6은 본원 발명의 일 구현예에 따른 층간소음 저감 완충재의 반건식공법으로 시공예를 나타낸 것이다.Figure 6 shows a construction example by a semi-dry method of interlayer noise reduction buffer according to an embodiment of the present invention.

보다 구체적으로 반건식공법으로 시공시에는 약 210mm 두께의 콘크리트 슬래브 상에 하부지지 공기층을 약 60 mm를 구비한 후 상부에 층간소음 저감 완충재를 시공하고, 그 위에 마감몰탈 약 40 mm를 시공한 후 바닥마감재를 시공하는 것이 바람직하다.More specifically, when constructing with a semi-dry method, a lower support air layer is provided on a concrete slab of about 210 mm thick, and a buffer material for reducing inter-layer noise is installed on the upper part, and a finishing mortar is applied about 40 mm on the floor. It is desirable to apply the finishing material.

10: 제1흡음재층, 20: 제2흡음재층, 30: 제3흡음재층, 40: 제4흡음재층10: first sound absorbing material layer, 20: second sound absorbing material layer, 30: third sound absorbing material layer, 40: fourth sound absorbing material layer

Claims (10)

제1흡음재층;
상기 제1흡음재층의 하부에 구성되는 제2흡음재층;
상기 제2흡재층의 하부에 구성되는 제3흡음재층; 및
상기 제3흡음재층의 하부에 구성되는 제4흡음재층을 포함하는 것을 특징으로 하는 층간소음 저감 완충재.A first sound absorbing layer;
A second sound absorbing material layer formed under the first sound absorbing material layer;
A third sound absorbing layer formed under the second absorbing layer; And
An interlayer noise reduction cushioning material comprising a fourth sound absorbing material layer formed under the third sound absorbing material layer. 청구항 1에 있어서,
상기 제1흡음재층 및 제4흡음재층은 발수성을 가지는 중공사를 포함하는 것을 특징으로 하는 층간소음 저감 완충재.The method according to claim 1,
The first sound absorbing material layer and the fourth sound absorbing material layer are interlayer noise reduction buffer materials comprising a hollow fiber having water repellency. 청구항 1에 있어서,
상기 제1흡음재층 및 제4흡음재층은 부직포로 제조되는 것을 특징으로 하는 층간소음 저감 완충재.The method according to claim 1,
The first sound-absorbing material layer and the fourth sound-absorbing material layer is interlayer noise reduction buffer material, characterized in that made of a non-woven fabric. 청구항 3에 있어서,
상기 부직포는 폴리프로필렌(PP) 섬유, 폴리에틸렌테레프탈레이트(PET) 섬유, 탄성 저융점 폴리에틸렌테레프탈레이트(low melting PET: LM PET) 섬유, 이중 크림프 섬유(double crimp fiber) 구성되는 섬유 중 어느 하나 이상으로 제조되는 부직포인 것을 특징으로 하는 층간소음 저감 완충재.The method according to claim 3,
The nonwoven fabric may be made of any one or more of polypropylene (PP) fiber, polyethylene terephthalate (PET) fiber, elastic low melting polyethylene terephthalate (LM PET) fiber, and fiber composed of double crimp fiber. Interlayer noise reduction buffer material, characterized in that the non-woven fabric is produced. 청구항 4에 있어서,
상기 부직포는 폴리프로필렌(PP) 섬유, 폴리에틸렌테레프탈레이트(PET) 섬유, 및 탄성 저융점 폴리에틸렌테레프탈레이트(low melting PET: LM PET) 섬유를 혼합하여 니들펀칭(needle punching) 방법으로 제조되는 것을 특징으로 하는 층간소음 저감 완충재.The method according to claim 4,
The nonwoven fabric is characterized by being produced by a needle punching method by mixing polypropylene (PP) fiber, polyethylene terephthalate (PET) fiber, and elastic low melting polyethylene terephthalate (LM PET) fiber. Interlayer noise reduction buffer material. 청구항 4에 있어서,
상기 부직포는 탄성 저융점 폴리에틸렌테레프탈레이트(low melting PET: LM PET), 이중 크림프 섬유(double crimp fiber) 및 폴리프로필렌(PP) 섬유를 혼합하여 에어 레이드(air laid) 방법으로 제조되는 것을 특징으로 하는 층간소음 저감 완충재.The method according to claim 4,
The nonwoven fabric is characterized in that it is manufactured by an air laid method by mixing elastic low melting polyethylene terephthalate (LM PET), double crimp fiber and polypropylene (PP) fibers. Interlayer noise reduction buffer. 청구항 1에 있어서,
상기 제2흡음재층 및 제3흡음재층은 폴리우레탄 폼(PU foam), 에틸렌 비닐 아세테이트 폼(EVA foam), 발포 폴리스티렌(expanded polystyrene: EPS)인 것을 특징으로 하는 층간소음 저감 완충재.The method according to claim 1,
The second sound absorbing material layer and the third sound absorbing material layer are polyurethane foam (PU foam), ethylene vinyl acetate foam (EVA foam), expanded polystyrene (expanded polystyrene (EPS)), characterized in that the interlayer noise reduction buffer material. 청구항 1에 있어서,
상기 제2흡음재층은 상부면 또는 하부면 중 어느 하나 이상의 방향으로 볼록형상 또는 오목형상의 엠보싱부가 형성된 것을 특징으로 하는 층간소음 저감 완충재.The method according to claim 1,
The second sound absorbing material layer is an interlayer noise reduction buffer material, characterized in that the embossed portion is formed in a convex shape or a concave shape in at least one of the upper surface or the lower surface. 청구항 1에 있어서,
상기 제3흡음재층은 다공성 메시(mesh) 구조인 것을 특징으로 하는 층간소음 저감 완충재.The method according to claim 1,
The third sound absorbing material layer is an interlayer noise reduction buffer material, characterized in that the porous mesh (mesh) structure. 발수성을 가지는 중공사로 이루어진 제1흡음재층을 준비하는 단계;
상기 제1흡음재층의 하부에 적층 구성되는 상부면 또는 하부면 중 어느 하나 이상에 엠보싱 형태의 돌출부가 형성된 제2흠음재층을 구비하는 단계;
상기 제2흡음재층의 하부에 적층 구성되는 다공성 메시(mesh) 구조인 제3흡음재층을 구비하는 단계; 및
상기 제3흡음재층의 하부에 적층 구성되는 발수성을 가지는 중공사로 이루어진 제1흡음재층을 구비하는 단계를 포함하는 층간소음 저감 완충재의 제조방법.Preparing a first sound absorbing material layer made of hollow fiber having water repellency;
Providing a second sound-absorbing material layer formed with an embossed protrusion on one or more of the upper or lower surfaces of the first sound-absorbing material layer;
Providing a third sound absorbing material layer having a porous mesh structure that is stacked under the second sound absorbing material layer; And
A method of manufacturing an interlayer noise reduction buffer material comprising the step of providing a first sound absorbing material layer made of hollow fiber having water repellency, which is laminated on the bottom of the third sound absorbing material layer.
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KR102524748B1 (en) * 2022-11-11 2023-04-26 주식회사 주신엔지니어링 Construction method for preventing noise between stairs of apartment house
KR102537106B1 (en) * 2022-11-11 2023-05-31 주식회사 주신엔지니어링 System for preventing noise between stairs of apartment house with installation structure improved

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