KR19990065574A - Multilayer composite FRP waterproof sheet and its manufacturing method - Google Patents

Multilayer composite FRP waterproof sheet and its manufacturing method Download PDF

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Publication number
KR19990065574A
KR19990065574A KR1019980000924A KR19980000924A KR19990065574A KR 19990065574 A KR19990065574 A KR 19990065574A KR 1019980000924 A KR1019980000924 A KR 1019980000924A KR 19980000924 A KR19980000924 A KR 19980000924A KR 19990065574 A KR19990065574 A KR 19990065574A
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South Korea
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unsaturated polyester
waterproof sheet
resistance
glass fiber
composite frp
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KR1019980000924A
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Korean (ko)
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KR100307299B1 (en
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김동찬
정춘수
이창용
이영철
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이봉찬
네오건설 주식회사
임성주
애경화학 주식회사
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Priority to KR1019980000924A priority Critical patent/KR100307299B1/en
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    • 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
    • B32B11/00—Layered products comprising a layer of bituminous or tarry substances
    • B32B11/10—Layered products comprising a layer of bituminous or tarry substances 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
    • B32B27/12—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
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • B32B2260/021—Fibrous or filamentary layer
    • B32B2260/023—Two or more layers
    • 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
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04—Impregnation, embedding, or binder material
    • B32B2260/042—Bituminous or tarry substance
    • 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
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04—Impregnation, embedding, or binder material
    • B32B2260/048—Natural or synthetic rubber
    • 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
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/554—Wear resistance
    • 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
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable

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  • Laminated Bodies (AREA)

Abstract

본 발명은 이형지 위에 고무화 아스팔트를 가열 용융하여 도포하고 그 위에 부직포 또는 직포를 재치한 후 고무화아스팔트를 도포하고 로울링한 다음 신율 40∼100%, 인장강도 140∼200kg/㎠의 불포화폴리에스테르 수직액을 분사하고 수지액이 경화하기 전에 유리섬유, 유리섬유촙(CHOP), 락울을 넣거나 깔고 그 위에 상기의 불포화폴리에스테르수지액을 분사하고 로울링한 후 고분자 필름을 적층한 후 불포화 폴리에스테르 수지액을 경화시키는 다층복합형 FRP 방수시트의 제조방법 및 이 방법으로 제조한 다층 복합형 FRP 방수시트에 관한 것이다.The present invention is applied by heating and melting rubberized asphalt on a release paper, the nonwoven fabric or woven fabric is placed thereon, and then coated with rubberized asphalt and rolled, unsaturated polyester of 40-100% elongation and 140-200kg / ㎠ tensile strength Before spraying the vertical liquid and before the resin liquid is cured, glass fiber, glass fiber (CHOP) and rock wool are put or laid, and the above unsaturated polyester resin liquid is sprayed and rolled on it, then the polymer film is laminated and then unsaturated polyester A method for producing a multilayer composite FRP waterproof sheet for curing a resin liquid, and a multilayer composite FRP waterproof sheet produced by the method.

본 발명의 다층복합형 FRP 방수시트는 고무화아스팔트를 함침시킨 직포 또는 부직포층과 방수성, 내압강도, 내약품성, 내충격성, 내마모성이 우수한 불포화 폴리에스테르 수지를 함침시킨 유리섬유, 섬유상 매트, 탄소섬유, 유리섬유촙(CHOP), 미립자상 무기물(락울)층 등이 적층된 구조이므로 종래의 방수시트 보다 방수성, 내압강도, 내오존성, 내약품성, 내충격성이 우수하고 바닥재와의 접착성이 우수한 특징이 있다.Multi-layered composite FRP waterproof sheet of the present invention is a woven or nonwoven layer impregnated with rubberized asphalt and a glass fiber, fibrous mat, carbon fiber impregnated with an unsaturated polyester resin excellent in water resistance, pressure resistance, chemical resistance, impact resistance, wear resistance Because of the laminated structure of glass fiber CHOP and particulate inorganic material (rock wool) layer, it has better waterproof, pressure resistance, ozone resistance, chemical resistance, impact resistance and better adhesion to flooring materials than conventional waterproof sheet. There is this.

Description

다층복합형 FRP 방수시트 및 그 제조방법Multi-layered composite FRP waterproof sheet and its manufacturing method

본 발명은 다층복합형 FRP 방수시트 및 그 제조방법에 관한 것이다.The present invention relates to a multilayer composite FRP waterproof sheet and a method of manufacturing the same.

고분자화학공업의 발전으로 많은 새로운 물질의 개발이 이루어졌고 더불어 방수재료 분야에도 많은 변화를 가져왔다. 예컨대 재래식펠트, 루핑시트를 비롯하여 아스팔트시트, 개량 아스팔트고무, PVC, 재생우레탄적층시트 등 지속적인 발전을 하고 있음은 주지의 사실이다.The development of the polymer chemistry industry has led to the development of many new materials and brought about many changes in the field of waterproofing materials. For example, it is well known that conventional felts, roofing sheets, asphalt sheets, improved asphalt rubber, PVC, recycled urethane laminated sheets, etc. are continuously developed.

그러나 아직까지 상기 방수시트로는 방수성, 시공성, 내구성 면에서 만족할만한 물성 개선은 이루어지지 않아 날로 다양하게 요구되어지는 건축 환경변화에 능동적으로 대처하지 못하였으며 많은 문제점을 안고 있다. 그러한 문제점으로는 (1) 국내 시트방수재는 품질이 낮고, 한겹시공에 따른 조인트 부위에서 누수된다는 점.However, as yet, the waterproof sheet has not been satisfactorily improved in terms of waterproofness, workability, and durability, and thus has not been actively coping with various changes in the construction environment, which have various problems. Such problems include: (1) Domestic sheet waterproofing materials are of low quality and leak at joints due to single layer construction.

(2) 아스팔트시트계는 내충격성, 내압성, 내마모성, 내후성, 내산, 내알카리성, 내열화성, 내오존성 등 부족으로 주로 비노출 방수에만 사용되고 노출방수에는 사용하지 못한다는 점.(2) Asphalt sheet system is mainly used for non-exposed waterproofing due to lack of impact resistance, pressure resistance, abrasion resistance, weather resistance, acid, alkali resistance, heat resistance, ozone resistance, etc., and cannot be used for exposure waterproofing.

(3) 합성수지계 시트는 경질성으로 충격흡수력이 약하여 장시간 사용에 따라 균열이 발생되고 또한 시공시 자체 접착력이 전무하며 시트바닥부 및 연결부 전체를 접착제를 사용 시공하거나 조인트부위를 열융착해야 하므로 일부 토목공사에만 제한적으로 사용된다는 점.(3) Synthetic resin sheet is hard and has low impact absorption ability, so cracks occur with long time use, and there is no self-adhesive power during construction, and the bottom of the sheet and the whole connection part must be constructed with adhesive or heat-sealed joint part. Limited use only in civil engineering works.

(4) 재생 폴리우레탄시트는 굽힘성능이 부족하여 모서리 부위, 요철부위, 수직부 시공이 시간이 지남에 따라 들뜸 현상이 발생되고 열풍융착에 따른 연결부위가 취약하다는 점과 방수 접착 조성물과 폴리우레탄과의 접합점착이 어렵다는 점.(4) The regenerated polyurethane sheet has insufficient bending performance, so that the construction of corners, irregularities, and vertical parts is lifted over time, and the connection part due to hot air welding is weak, and the waterproof adhesive composition and polyurethane Difficult to bond with

(5) 중간 부직포 함침, 포화형 다층막 적층시트 방수재는 표면용융접착시 코팅부가 전부용융 유실되어 부직포끼리 접합되는 사례가 발생되어 접합부 하자가 발생되는 점.(5) Intermediate nonwoven fabric impregnation, saturated multi-layer laminate sheet waterproofing material, when the surface melt adhesion, the coating parts are all melted and the non-woven fabrics are bonded to each other, the point that the defect occurs in the joint.

(6) 구조물 시공이 부위별, 용도별로 서로 다른 물성의 방수시트재를 선택해야 하고 한가지 시트제품으로는 사용할 수 없다는 점등이 있다.(6) The structure construction must select waterproof sheet material of different physical properties by site and use, and there is a light that it cannot be used as one sheet product.

본 발명의 목적은 종래 방수시트의 단점인 방수층의 파단, 접합부의 결함, 코너부위 들뜸현상, 약품, 오존, 자외선에 의한 내구성부족등을 개선 보완하고 건축, 토목전분야에 걸쳐 노출, 비노출 구분없이 적용할 수 있고 각종 이질방수재료 및 공법과의 현상 조합이 가능하며 각종 건축 구조물의 요구조건에 맞추어 시공이 가능한 다층복합 FRP 방수시트 및 그 제조방법을 제공함에 있다.The object of the present invention is to improve and compensate for the shortcomings of the conventional waterproof sheet, such as breakage of the waterproof layer, defects in the joints, lifting of corners, lack of durability due to chemicals, ozone, ultraviolet rays, and the like. The present invention provides a multi-layered composite FRP waterproof sheet and its manufacturing method that can be applied and can be combined with various heterogeneous waterproof materials and construction methods, and can be constructed in accordance with the requirements of various building structures.

상기와 같은 종래 방수시트의 문제점을 해결하기 위하여 연구를 거듭한 결과 특정의 불포화 폴리에스테르를 사용하면 방수성이 우수하고, 현장시공성이 뛰어나며, 다른 이질재료와 조합적층시에도 적합함을 알아 본 발명을 완성하였다.As a result of repeated studies to solve the problems of the conventional waterproof sheet as described above, the use of a specific unsaturated polyester is excellent in waterproofness, excellent in field workability, and suitable for use in combination with other heterogeneous materials. Completed.

본 발명은 건축, 토목 및 각종 구조물바탕(콘크리트, 철근콘트리트, 철골콘트리트, ALC구조목조, 석재, 철구조, 스텐레스스틸)의 옥상방수, 지하구조물 및 기타 방수공사에 사용하는 이질 복합소재를 사용한 다층복합형 FRP 방수시트 및 그 제조방법에 관한 것으로 구체적으로 고무화아스팔트를 함침시킨 직포 또는 부직포층위에 특정 불포화 폴리에스테르 수지를 함침시킨 섬유상(유리섬유, 탄소섬유) 또는 미립상 무기물(락울)층을 적층하고 그 위에 고분자 필름을 적층한 다층 복합형 FRP 방수시트 및 그 제조방법에 관한 것이다. 이하에서 본 발명에서 사용하고 고무화아스팔트 및 특정의 불포화 폴리에스테르 수지에 대하여 설명한다.The present invention is a multi-layer using heterogeneous composite materials used for rooftop waterproofing, underground structures and other waterproof construction of construction, civil engineering and various structures (concrete, reinforced concrete, steel concrete, ALC structural wood, stone, steel structure, stainless steel) A composite FRP waterproof sheet and a method for manufacturing the same. Specifically, a fibrous (glass fiber, carbon fiber) or particulate inorganic (rock wool) layer impregnated with a specific unsaturated polyester resin on a woven or nonwoven layer impregnated with rubberized asphalt is provided. The present invention relates to a multilayer composite FRP waterproof sheet laminated with a polymer film laminated thereon and a method of manufacturing the same. Hereinafter, the rubberized asphalt and the specific unsaturated polyester resin used in the present invention will be described.

[고무화아스팔트의 제조][Manufacture of rubber asphalt]

1) 침입도 85∼100의 아스팔트(스트레이트아스팔트 또는 브로운아스팔트(40∼50중량부와 침입도 10∼20의 아스팔트(스트레이트아스팔트 또는 브로운 아스팔트) 15∼20 중량부를 120∼170℃에서 용융 혼합한다.1) 15 to 20 parts by weight of 85 to 100 asphalt (straight asphalt or blown asphalt) (40 to 50 parts by weight and 10 to 20 pieces of asphalt (straight asphalt or blown asphalt) with melt penetration at 120 to 170 ° C do.

2) 스틸렌 부타디엔 스틸렌(SBS) 합성고무 12∼15중량부와 나프텐계오일 12∼15중량부, 충전제(CaCO3)10∼13 중량부, 석유수지 1∼3중량부를 150∼170℃에서 가열교반 혼합한다.2) 12 to 15 parts by weight of styrene butadiene styrene (SBS) synthetic rubber, 12 to 15 parts by weight of naphthenic oil, 10 to 13 parts by weight of filler (CaCO 3 ), and 1 to 3 parts by weight of petroleum resin at 150 to 170 ° C. Mix.

3) 1)과 2)혼합물을 150∼170℃에서 혼합한 후 10∼120℃에서 10∼15시간 숙성시켜 고무화아스팔트를 제조하였다.3) The mixture of 1) and 2) was mixed at 150 to 170 ° C. and aged at 10 to 120 ° C. for 10 to 15 hours to prepare rubberized asphalt.

[불포화 폴리에스테르 수지액의 제조][Production of Unsaturated Polyester Resin Liquid]

신율 40∼100%, 인장강도 140∼200kg/㎠의 올소계(Ortho Type), 이소계(Iso Type), 비스페놀계(Bisphenol Type), 비닐에스테르계(Vinyl ester Type) 불포화 폴리에스테르수지 100중량부에 스틸렌모노머, 메틸메타아크릴모노머 등의 중합성 단량체 30∼50중량부, 탄산칼슘, 탈크 등의 충전제 5∼30중량부, 메틸에틸케톤퍼옥사이드(MEKPO) 또는 벤조일퍼옥사이드(BOP) 등의 경화제 0.5중량부, 코발트옥토에이트 등의 경화 촉진제 0.2중량부를 혼합하여 불포화 폴리에스테르 수지액을 제조하였다.100 to 100 parts by weight of ortho-type, iso-type, bisphenol-type, vinyl ester-type unsaturated polyester resin with elongation 40-100%, tensile strength 140-200kg / ㎠ 30 to 50 parts by weight of polymerizable monomers such as styrene monomer and methyl methacryl monomer, 5 to 30 parts by weight of filler such as calcium carbonate, talc, curing agent such as methyl ethyl ketone peroxide (MEKPO) or benzoyl peroxide (BOP) 0.5 weight part and 0.2 weight part of hardening accelerators, such as cobalt octoate, were mixed and the unsaturated polyester resin liquid was manufactured.

[실시예 1]Example 1

이형지 위에 상기에서 제조한 고무화아스팔트를 가열 용융하여 도포하고 그 위에 PP부직포를 재치한 후 고무화아스팔트를 도포하고 3.0mm 두께를 로울링하고, 그 위에 상기에서 제조한 신율 100%, 인장강도 180kg/㎠의 이소계 불포화 폴리에스테르 수지액을 분사하고 수지액이 경화하기 전에 유리섬유 또는 촙(CHOP)을 넣거나 깔고 그 위에 상기의 불포화 폴리에스테르 수지액을 분사한 후 전체두께가 4mm가 되도록 로울링한 후 고분자 필름을 적층한 후 불포화 폴리에스테르 수지를 경화시켜 인장강도 40.0kg/㎠, 신장율 1,010%의 다층 복합형 FRP 방수시트를 얻었다.Heat-melt the rubberized asphalt prepared above on the release paper, apply PP nonwoven fabric thereon, apply rubberized asphalt, roll 3.0mm thickness, and 100% elongation and 180kg tensile strength prepared above. / 2 cm2 of isotropic unsaturated polyester resin solution is sprayed, glass fiber or CHOP is added or laid before the resin solution is cured, and the above unsaturated polyester resin solution is sprayed thereon, and the total thickness is 4mm. After laminating the polymer film, the unsaturated polyester resin was cured to obtain a multilayer composite FRP waterproof sheet having a tensile strength of 40.0 kg / cm 2 and an elongation rate of 1,010%.

[실시예 2]Example 2

신율 70%, 인장강도 150kg/㎠의 올소계 불포화 폴리에스테르를 사용하고 PP부직포 대신 PP직포를 사용한 이외는 실시예1과 같이 실시하여 인장강도 35.2kg/㎠, 신장율 815%의 다층 복합형 FRP 방수시트를 얻었다.Multilayered composite FRP waterproofing with an tensile strength of 35.2kg / ㎠ and elongation of 815%, except that an oxo unsaturated polyester having an elongation of 70% and a tensile strength of 150kg / cm 2 was used and a PP woven fabric was used instead of the PP nonwoven fabric. A sheet was obtained.

[실시예 3]Example 3

신율 50%, 인장강도 200kg/㎠의 비스페놀계불포화 폴리에스테르를 사용하고 유리섬유 또는 촙(CHOP) 등을 사용한 이외는 실시예 1과 같이 실시하여 인장강도 37kg/㎠의, 신장율 600%의 다층 복합형 FRP 방수시트를 얻었다.A multilayered composite having a tensile strength of 37 kg / cm 2 and 600% of elongation, except that a bisphenol-unsaturated polyester having an elongation of 50% and a tensile strength of 200 kg / cm 2 was used, and glass fiber or CHOP was used. A type FRP waterproof sheet was obtained.

[실시예 4]Example 4

신율 60%, 인장강도 160kg/㎠의 비닐에스테르계불포화폴리에스테르를 사용하고 유리섬유, 탄소섬유 등을 2겹 사용한 고무아스팔트, 고무헤라로 도포하여 인장강도 50kg/㎠, 신장율 720%의 다층 복합형 FRP 방수시트를 얻었다.Multi-layered composite type with 60% elongation and 160kg / ㎠ tensile polyester-unsaturated polyester and coated with rubber asphalt and rubber hera using two layers of glass fiber and carbon fiber, and tensile strength 50kg / ㎠ and elongation 720% A FRP waterproof sheet was obtained.

본 발명의 다층복합형 FRP 방수시트는 고무화아스팔트를 함침시킨 직포 또는 부직포층과 방수성, 내압강도, 내약품성, 내충격성, 내마모성이 우수한 불포화 폴리에스테르 수지를 함침시킨 유리섬유, 섬유상 매트, 탄소섬유, 유리섬유촙(CHOP), 미립자상 무기물(락울)층 등이 적층된 구조이므로 종래의 방수시트 보다 방수성, 내압강도, 내오존성, 내약품성, 내충격성이 우수하고 바닥재와의 접착성이 우수한 특징이 있다.Multi-layered composite FRP waterproof sheet of the present invention is a woven or nonwoven layer impregnated with rubberized asphalt and a glass fiber, fibrous mat, carbon fiber impregnated with an unsaturated polyester resin excellent in water resistance, pressure resistance, chemical resistance, impact resistance, wear resistance Because of the laminated structure of glass fiber CHOP and particulate inorganic material (rock wool) layer, it has better waterproof, pressure resistance, ozone resistance, chemical resistance, impact resistance and better adhesion to flooring materials than conventional waterproof sheet. There is this.

Claims (4)

이형지 위에 고무화 아스팔트를 가열 용융하여 도포하고 그 위에 부직포 또는 직포를 재치한 후 고무화아스팔트를 도포하고 로울링한 다음 신율 40∼100%, 인장강도 140∼200kg/㎠의 불포화폴리에스테르 수직액을 분사하고 수지액이 경화하기 전에 유리섬유, 유리섬유촙(CHOP), 락울을 넣거나 깔고 그 위에 상기의 불포화폴리에스테수지액을 분사하고 로울링한 후 고분자 필름을 적층한 후 불포화 폴리에스테르 수지액을 경화시키는 다층복합형 FRP 방수시트의 제조방법.Heat-melt rubberized asphalt on release paper, apply nonwoven or woven fabric on it, apply rubberized asphalt and roll, and then unsaturated polyester vertical liquid with elongation of 40-100% and tensile strength of 140-200kg / ㎠ Before spraying and curing the resin solution, glass fiber, CHOP, and rock wool were put or laid, sprayed and rolled the unsaturated polyester resin solution on it, and then rolled a polymer film. Method for producing a multilayer composite FRP waterproof sheet to cure. 제1항에 있어서, 불포화폴리에스테르가 올소계, 이소계, 비스페놀계, 비닐에스테르계 불포화 폴리에스테르로 된 군에서 선택한 것인 다층복합형 FRP 방수시트의 제조방법.The method for producing a multilayer composite FRP waterproof sheet according to claim 1, wherein the unsaturated polyester is selected from the group consisting of olso-based, iso-based, bisphenol-based and vinyl ester-based unsaturated polyesters. 고무화아스팔트를 함침시킨 부직포 또는 직포층과 신율 40∼100%, 인장강도 140∼200kg/㎠의 불포화폴리에스테르수지액을 함침시킨 섬유매트, 유리섬유, 탄소섬유, 유리섬유촙(CHOP), 미립자상 무기물층 등을 적층시킨 다층복합형 FRP 방수시트.Nonwoven or Woven Fabric Impregnated with Rubberized Asphalt, Fiber Mat Impregnated with Unsaturated Polyester Resin Liquid with Elongation 40-100%, Tensile Strength 140-200kg / cm2, Glass Fiber, Carbon Fiber, Glass Fiber CHF, Fine Particles Multi-layered composite FRP waterproof sheet with laminated upper inorganic layer. 제3항에 있어서, 불포화 폴리에스테르가 올소계, 이소계, 비스페놀계, 비닐에스테르계, 불포화 폴리에스테르로 된 군에서 선택한 것인 다층복합형 FRP 방수시트.4. The multilayer composite FRP waterproof sheet according to claim 3, wherein the unsaturated polyester is selected from the group consisting of olso-based, iso-based, bisphenol-based, vinyl ester-based, and unsaturated polyester.
KR1019980000924A 1998-01-15 1998-01-15 Multi-layered frp water-proof sheet and method for producing the same KR100307299B1 (en)

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