KR101275023B1 - Fireproof pvc sol composition with waste pvc material and manufacturing method thereof, fireproof pvc waterproof sheet using the fireproof pvc sol composition - Google Patents
Fireproof pvc sol composition with waste pvc material and manufacturing method thereof, fireproof pvc waterproof sheet using the fireproof pvc sol composition Download PDFInfo
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Abstract
Description
본 발명은 폐 PVC 자재를 포함하는 난연 PVC졸 조성물 및 그 제조방법, 이를 이용한 난연 PVC 방수 시트에 관한 것으로, 자세하게는 노출공법으로 건물의 옥상 등에 시공되는 PVC(폴리비닐클로라이드, 이하 'PVC'라 칭함) 방수시트의 난연성을 개선함과 동시에 폐 PVC 자재의 점도를 개선하여 난연 PVC 방수 시트로 재활용토록 한 기술에 관한 것이다.
The present invention relates to a flame-retardant PVC sol composition comprising a waste PVC material, and a method for manufacturing the same, and flame-retardant PVC waterproof sheet using the same, in detail, the PVC (polyvinyl chloride, hereinafter 'PVC') to be installed on the roof of a building by the exposure method The present invention relates to a technology for improving the flame retardancy of the waterproof sheet and at the same time improving the viscosity of the waste PVC material to be recycled as a flame retardant PVC waterproof sheet.
일반적으로 건물의 옥상, 옹벽, 샌드위치 패널 지붕 등과 같은 건축 구조물과 토목 구조물의 슬래브 및 옹벽과 같이 직접 수분과 접촉되는 부위에는 구조물 내부로 수분이 침입하는 것을 방지하기 위하여 그 표면에 불투수성 방수층을 형성하는 방수공사를 시행하는 것이 바람직하다.In general, an impermeable waterproof layer is formed on the surface of a building to prevent moisture from entering the structure, such as building roofs, retaining walls, sandwich panel roofs, and slabs and retaining walls of civil structures. It is desirable to perform waterproofing work.
더욱이 근래의 환경오염과 생태계 균형의 파괴 등에 따라 열악해지는 도시 기후의 해결을 위해서 환경보전 및 복원을 위한 개발이 다양하게 이루어지고 있는데, 이중 최근에는 도시 생태계와 도시 환경을 개선하기 위한 옥상 녹화가 중요한 사항으로 부각되고 있으며 이러한 옥상 녹화는 냉난방 에너지 절약 효과, 도시 열섬화 현상 완화, 도시 홍수 예방, 공기 정화, 수질 정화, 소음 경감 효과, 도시 경관 향상 등과 같은 환경적 측면과 경제적 측면 등에서 여러 가지 이점이 있는 관계로 지속적으로 권장되고 있다. 다만 이러한 옥상 녹화를 실행하기 해서는 먼저 선행되어야 할 것이 옥상에 보다 완벽한 방수기능을 제공할 수 있어야 하는 것이다.
Moreover, in order to solve the poor urban climate due to the recent environmental pollution and the destruction of the ecosystem balance, various developments for environmental conservation and restoration have been carried out. Of these, rooftop greening to improve the urban ecosystem and urban environment is important. This rooftop greening has many advantages in terms of environmental and economic aspects such as heating and cooling energy saving, mitigation of urban heat island, urban flood prevention, air purification, water purification, noise reduction, and urban landscape improvement. As a result, it is continuously recommended. However, the first thing to do in order to perform this roof recording is to be able to provide a more perfect waterproof function on the roof.
상기와 같은 목적을 충족하기 위한 옥상 방수 공사와 관련된 여러 다양한 형태의 공법들이 제안 되어 사용 되고 있다. 특히 최근에는 방수 시공을 보다 간편하게 하고 시공 기간도 크게 단축시킬 수 있도록 시트 방수 공법이 널리 통용 되고 있다. 이 공법은 방수시트를 건물 옥상 등의 구조물의 바닥 면에 부착 설치하여 방수층을 형성하는 공법으로 자세하게는 PVC 시트나 고무화 아스팔트 시트 등의 일정 규격의 방수시트를 건물의 옥상 등과 같은 시공 구조물의 바닥 면에 펼쳐서 시공하는 공법을 말한다.Various forms of construction methods related to the roof waterproofing construction to meet the above objectives have been proposed and used. In particular, in recent years, the sheet waterproofing method has been widely used to simplify the waterproof construction and greatly shorten the construction period. This method is a method of attaching waterproof sheet to the floor surface of the roof of a building, etc. to form a waterproof layer. It is a construction method spreading on the surface.
다만, 종래의 PVC 방수시트는 옥상에 노출 방수공법으로 시공될 경우 난연성이 저조하여 화재에 취약하다는 구조적인 문제가 있다.However, there is a structural problem that the conventional PVC waterproof sheet is vulnerable to fire due to low flame retardancy when constructed by the exposure waterproof method on the roof.
또한 PVC 방수시트의 제조단가를 낮춰 시공경비를 절감하기 위해 폐 PVC 자재를 이용하여 방수시트를 제조하기 위한 여러 시도가 있었으나 재생 공정시 폐 PVC 자재의 높은 점도 때문에 현재까지 폐 PVC 자재를 이용한 재활용 PVC 방수 시트의 제조가 활발하게 이루어지고 있지 않다. 폐 PVC 자재의 재활용이 어려운 이유는 폴리염화비닐(PVC)은 재가공시 열안정성이 낮아 물성 감소 및 황변 현상을 유발함으로써 상품의 가치를 저하시키게 된다. 이러한 구조적 문제 때문에 PVC 자재는 사용 후 일부 저급 압출 제품으로 사용되는 경우를 제외하고는 대부분 소각 또는 매립되고 있는 실정이다. 하지만 소각 처리시는 자체 물질의 분해로 독성이 있는 염소가스가 생성되므로 환경오염의 문제가 있고, 매립시는 난분해성이라 토양오염을 유발할 수 있으므로 고급 제품으로 재활용하는 기술의 확보가 시급한 실정이다.
In addition, several attempts have been made to manufacture waterproof sheets using waste PVC materials to reduce construction costs by lowering the manufacturing cost of PVC waterproof sheets, but to date, recycled PVC using waste PVC materials has been used due to the high viscosity of waste PVC materials during the regeneration process. The manufacture of a waterproof sheet is not actively performed. The reason why the recycled PVC material is difficult to recycle is because polyvinyl chloride (PVC) has low thermal stability during reprocessing, causing a decrease in physical properties and yellowing, thereby degrading the value of the product. Due to this structural problem, PVC materials are mostly incinerated or landfilled except for some low-extrusion products after use. However, when incineration, toxic chlorine gas is generated by decomposition of its own materials, there is a problem of environmental pollution, and when landfilling is difficult, it is urgent to secure technology for recycling into high-quality products because it may cause soil pollution.
종래 폐 PVC를 활용한 기술로 국내특허공개공보 공개번호 10-2003-0079118호인 방수용 절연시트의 제조방법이 있다. 이 기술은 방수용 절연시트의 제조방법에 있어서, 폐비닐 30중량%와 폐PVC10 중량%와 100~200 메쉬의 폐타이어분말 34중량%와 200메쉬의 폐유리가루22중량%와 착색제2중량%와 노화방지제2중량%를 160~165℃의 혼합기에서 혼합하고 사출한 후, 그 표면에 착색된 자외선 차단용 필름이 융착된 방수용 절연시트의 제조방법에 관한 기술이다.Conventionally, there is a method of manufacturing a waterproof insulating sheet of Korean Patent Publication No. 10-2003-0079118 as a technology utilizing waste PVC. In this method, 30% by weight of waste vinyl, 10% by weight of waste PVC, 34% by weight of waste tire powder of 100-200 mesh, 22% by weight of waste glass powder of 200 mesh and 2% by weight of colorant After mixing and injecting 2% by weight of an antioxidant in a mixer at 160 to 165 ° C, the technique relates to a method for manufacturing a waterproof insulating sheet fused with a colored UV blocking film on the surface thereof.
또한 국내특허공개공보 공개번호 10-2003-0075288호인 재생 폴리염화비닐방수시트를 포함하는 이중 폴리염화비닐방수용시트 및 이용한 복합방수공법이 있다. 이 기술은 70 내지 80 중량%의 폐 폴리염화비닐수지 14 내지 10 중량%의 폐 아세트산비닐공중합체 접착필름 스크랩을 재활용한 재생수지 8 내지 5 중량%의 폐 아세트산비닐공중합체 접착제를 재활용한 재생수지 그리고 8 내지 5 중량%의 석분을 포함하여 제조된 재생 폴리염화비닐시트 및, 신재 폴리염화비닐시트를 상하로 적층시킨 것을 특징으로 하는 재생 폴리염화비닐시트를 포함하는 이중 폴리염화비닐 방수용시트에 관한 기술이 있다.In addition, there is a double polyvinyl chloride waterproof sheet including a recycled polyvinyl chloride waterproof sheet, which is Korean Patent Publication No. 10-2003-0075288, and a composite waterproofing method using the same. This technique is a recycled resin recycled from 70 to 80% by weight of waste polyvinyl chloride resin 14 to 10% by weight waste vinyl acetate copolymer adhesive film scrap recycled resin recycled from 8 to 5% by weight waste vinyl acetate copolymer adhesive And it relates to a double polyvinyl chloride waterproof sheet comprising a recycled polyvinyl chloride sheet prepared by containing 8 to 5% by weight of stone powder, and a new polyvinyl chloride sheet laminated up and down There is technology.
하지만 상기 종래 기술들은 폐 PVC 자재를 재활용한다는 점에서는 의의가 있지만, 실제 폐 PVC 자재를 가공시의 난제인 점도 개선에 대한 기술이 개시되어 있지 않아 폐 PVC 자재를 이용하여 PVC 시트로 재생하는데 개선이 필요하다.
However, although the prior arts are meaningful in terms of recycling waste PVC materials, there is no disclosure of viscosity improvement, which is a difficulty in processing waste PVC materials. need.
상기와 같은 문제점을 해결하기 위한 본 발명의 목적은 건물의 옥상 등에 시공되는 PVC 방수시트의 난연성을 개선함과 동시에 폐 PVC 자재의 재활용률을 높이기 위해 새로운 점도 저하제와 폐 PVC 자재를 혼합하여 가공성을 높이고, 여기에 난연제를 혼합 조성한 난연 PVC졸 조성물 및 그 제조방법 그리고 난연 PVC졸 조성물을 이용한 난연 PVC 방수 시트를 제공하는 데 있다.
An object of the present invention for solving the above problems is to improve the flame retardancy of the PVC waterproof sheet installed on the roof of the building and at the same time to improve the processability by mixing a new viscosity reducing agent and waste PVC material to increase the recycling rate of waste PVC material. The present invention provides a flame retardant PVC sol composition containing a flame retardant and a method for preparing the same, and a flame retardant PVC waterproof sheet using the flame retardant PVC sol composition.
상기한 바와 같은 목적을 달성하고 종래의 결점을 제거하기 위한 과제를 수행하는 본 발명은 폐 PVC 자재 100중량부에 폐 PVC 자재 점도 저하용 폴리옥시에틸렌알킬이써계 점도저하제 50 ~ 70중량부, 디아이소노닐프탈레이트 30 ~ 50중량부, 디옥틸프탈레이트 20 ~ 40중량부, 탄산칼슘 10 ~ 30중량부, 삼산화안티몬 5 ~ 15중량부 및 카본블랙 5 ~ 15중량부가 혼합 조성된 것을 특징으로 하는 폐 PVC 자재를 포함하는 난연 PVC졸 조성물을 제공함으로써 달성된다.
The present invention to achieve the object as described above and to perform the problem for removing the conventional defects, polyoxyethylene alkyl ether-based viscosity reducing agent for reducing the viscosity of the waste PVC material 100 parts by weight of the waste PVC material 50 to 70 parts by weight, die Waste PVC, characterized in that 30 to 50 parts by weight of sononyl phthalate, 20 to 40 parts by weight of dioctylphthalate, 10 to 30 parts by weight of calcium carbonate, 5 to 15 parts by weight of antimony trioxide, and 5 to 15 parts by weight of carbon black. It is achieved by providing a flame retardant PVC sol composition comprising a material.
본 발명은 바람직한 실시예로, 상기 폐 PVC 자재는 3cm 이하로 재단된 것을 사용할 수 있다.
In a preferred embodiment of the present invention, the waste PVC material may be cut to 3 cm or less.
본 발명은 바람직한 실시예로, 상기 폴리옥시에틸렌알킬이써계 점도 저하제는 폴리옥시에틸렌알킬이써 100 중량부에 메틸올레이트 60 ~ 80중량부, 하이드로카본 50 ~ 70중량부 및 2-페녹시에틸메타아크릴레이트 30 ~ 50중량부가 혼합 조성될 수 있다.
In a preferred embodiment of the present invention, the polyoxyethylene alkyl ether-based viscosity reducing agent is 60 to 80 parts by weight of methyl oleate, 50 to 70 parts by weight of hydrocarbon and 2-phenoxyethyl in 100 parts by weight of polyoxyethylene alkyl ether 30-50 parts by weight of methacrylate may be mixed.
본 발명은 바람직한 실시예로, 상기 폴리옥시에틸렌알킬이써는 인화점 205℃이상인 것을 사용하고, 메틸올레이트는 인화점 177℃, 분자량 296.5, 비중 0.87인 것을 사용하고, 하이드로카본은 인화점 196℃, 비중 0.832인 것을 사용할 수 있다.
According to a preferred embodiment of the present invention, the polyoxyethylene alkyl has a flash point of 205 ° C. or higher, a methyl oleate having a flash point of 177 ° C., a molecular weight of 296.5, a specific gravity of 0.87, and a hydrocarbon of a flash point of 196 ° C., a specific gravity of 0.832 Can be used.
또한 본 발명은 다른 실시 양태로,In another aspect, the present invention,
(a) 폐 PVC 자재 점도 저하용 폴리옥시에틸렌알킬이써계 점도저하제를 제조하는 단계와;(a) preparing a polyoxyethylene alkyl ether-based viscosity reducing agent for reducing viscosity of waste PVC materials;
(b) 폐 PVC 자재를 일정 크기 이하로 재단하는 단계와;(b) cutting the waste PVC material to a predetermined size or less;
(c) 재단된 폐 PVC 자재, 점도저하제, 디아이소노닐프탈레이트, 디옥틸프탈레이트, 탄산칼슘, 삼산화안티몬 및 카본블랙을 혼합 조성하는 단계;로 이루어진 것을 특징으로 하는 폐 PVC 자재를 포함하는 난연 PVC졸 조성물의 제조방법을 제공함으로써 달성된다.
(c) a mixed composition of cut waste PVC material, viscosity lowering agent, diisononylphthalate, dioctylphthalate, calcium carbonate, antimony trioxide and carbon black; flame retardant PVC sol comprising waste PVC material, characterized in that the composition consisting of By providing a process for the preparation of the composition.
본 발명은 바람직한 실시예로, 상기 폐 PVC 자재는 3cm 이하의 크기로 재단하여 사용할 수 있다.
In a preferred embodiment of the present invention, the waste PVC material can be cut to a size of 3 cm or less.
본 발명은 바람직한 실시예로, 상기 (c)단계는 폐 PVC 자재 100 중량부를 80 ~ 100℃로 승온 후, 폐 PVC 자재 점도 저하용 폴리옥시에틸렌알킬이써계 점도저하제 50 ~ 70 중량부, 디아이소노닐프탈레이트 30 ~ 50 중량부, 디옥틸프탈레이트 20 ~ 40 중량부, 탄산칼슘 10 ~ 30 중량부, 삼산화안티몬 5 ~ 15 중량부 및 카본블랙 5 ~ 15 중량부를 첨가하여 7 ~ 10시간 혼합될 수 있다.
The present invention is a preferred embodiment, the step (c) is 100 to 100 parts by weight of waste PVC material after heating up to 80 ~ 100 ℃, polyoxyethylene alkyl ether-based viscosity lowering agent for reducing the viscosity of waste PVC material 50 to 70 parts by weight, diisono It may be mixed for 7 to 10 hours by adding 30 to 50 parts by weight of nilphthalate, 20 to 40 parts by weight of dioctylphthalate, 10 to 30 parts by weight of calcium carbonate, 5 to 15 parts by weight of antimony trioxide, and 5 to 15 parts by weight of carbon black. .
본 발명은 바람직한 실시예로, 상기 폴리옥시에틸렌알킬이써계 점도저하제는 폴리옥시에틸렌알킬이써 100 중량부에 메틸올레이트 60 ~ 80중량부, 하이드로카본 50 ~ 70중량부 및 2-페녹시에틸메타아크릴레이트 30 ~ 50중량부가 혼합 조성될 수 있다.In a preferred embodiment of the present invention, the polyoxyethylene alkyl ether-based viscosity reducing agent is 60 to 80 parts by weight of methyl oleate, 50 to 70 parts by weight of hydrocarbon and 2-phenoxyethyl in 100 parts by weight of polyoxyethylene alkyl ether. 30-50 parts by weight of methacrylate may be mixed.
또한 본 발명은 다른 실시 양태로 상기 난연 PVC졸 조성물을 압출하여 필요한 형상의 시트로 성형한 것을 특징으로 하는 폐 PVC 자재를 포함하는 난연 PVC 방수 시트를 제공함으로써 달성된다.
In another aspect, the present invention is achieved by providing a flame-retardant PVC waterproof sheet comprising a waste PVC material, characterized in that the flame-retardant PVC sol composition is extruded and molded into a sheet of the required shape.
상기와 같이 본 발명은 건물의 옥상 등에 시공되는 PVC 방수시트 제조시 폐 PVC 자재의 점도를 개선하여 PVC 시트의 주방수층으로 사용함으로써 자원의 재활용률을 높였다는 장점과,As described above, the present invention improves the recycling rate of resources by improving the viscosity of waste PVC materials when manufacturing the PVC waterproof sheet, which is constructed on the roof of a building, and using them as a kitchen water layer of the PVC sheet.
또한 폐 PVC 자재를 이용한 주방수층에 난연성을 부여한 보호층을 더 형성함으로써 노출 공법으로 방수시트를 건물의 옥상 등에 시공시에도 종래처럼 화재 위험에 취약하지 않으며, 자외선 등의 외부 열악한 환경으로부터 보호할 수 있다는 장점과,In addition, by forming a fire retardant protective layer on the kitchen water layer using waste PVC materials, even when the waterproof sheet is installed on the roof of a building by the exposure method, it is not vulnerable to fire hazard as in the prior art, and can be protected from the bad environment such as ultraviolet rays. That has the advantage
특히 폐 PVC 자재를 활용하고 난연성을 부여한 본 발명의 PVC 시트는 종래 폐 PVC 자재를 사용하지 않은 신규 PVC 시트에 비해 기계적 물성이 뛰어나고 방수효과 역시 동등 또는 그 이상의 성능을 가지는 유용한 발명으로 산업상 그 이용이 크게 기대되는 발명인 것이다.
In particular, the PVC sheet of the present invention utilizing waste PVC material and imparting flame retardancy is a useful invention having excellent mechanical properties and waterproofing effect equivalent or better than the new PVC sheet which does not use conventional waste PVC material. This is a highly expected invention.
도 1은 발명의 한 실시예에 따른 난연 PVC 졸의 제조공정 순서도이다.1 is a flow chart of the manufacturing process of a flame retardant PVC sol according to one embodiment of the invention.
이하 본 발명의 실시 예인 구성과 그 작용을 첨부도면에 연계시켜 상세히 설명하면 다음과 같다. 또한 본 발명을 설명함에 있어서, 관련된 공지기능 혹은 구성에 대한 구체적인 설명이 본 발명의 요지를 불필요하게 흐릴 수 있다고 판단되는 경우 그 상세한 설명은 생략한다.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.
도 1은 발명의 한 실시예에 따른 난연 PVC 졸의 제조공정 순서도이다. 도시된 바와 같이 본 발명의 한 실시예에 따른 난연 PVC 졸의 제조방법은,1 is a flow chart of the manufacturing process of a flame retardant PVC sol according to one embodiment of the invention. As shown is a method for producing a flame retardant PVC sol according to an embodiment of the present invention,
(a) 폐 PVC 자재 점도 저하용 폴리옥시에틸렌알킬이써계 점도저하제를 제조하는 단계(S100)와;(A) preparing a polyoxyethylene alkyl ether-based viscosity reducing agent for reducing the viscosity of the waste PVC material (S100);
(b) 폐 PVC 자재 길이를 일정 크기 이하로 재단하는 단계(S200)와;(b) cutting the waste PVC material length to a predetermined size or less (S200);
(c) 상기 재단된 폐 PVC 자재 및 폴리옥시에틸렌알킬이써계 점도저하제 그리고 디아이소노닐프탈레이트, 디옥틸프탈레이트 , 탄산칼슘, 삼산화안티몬 및 카본블랙을 혼합 조성하는 단계(S300);로 이루어진다.
(c) mixing the cut PVC material and the polyoxyethylene alkyl ether-based viscosity lowering agent and diisononyl phthalate, dioctyl phthalate, calcium carbonate, antimony trioxide and carbon black (S300).
상기 (c)단계는 3cm 이하 크기로 재단된 폐 PVC 자재 100 중량부를 80 ~ 100℃로 승온 후, 상기 폐 PVC 자재 점도 저하용 폴리옥시에틸렌알킬이써계 점도저하제 50 ~ 70 중량부, 디아이소노닐프탈레이트 30 ~ 50 중량부, 디옥틸프탈레이트 20 ~ 40 중량부, 탄산칼슘 10 ~ 30 중량부, 삼산화안티몬 5 ~ 15 중량부 및 카본블랙 5 ~ 15 중량부를 첨가하여 7 ~ 10시간 혼합하여 제조하는 방법이다.
In the step (c), after heating up 100 parts by weight of the waste PVC material cut to a size of 3 cm or less at 80 to 100 ° C., 50 to 70 parts by weight of a polyoxyethylene alkyl ether-based viscosity lowering agent for reducing viscosity of the waste PVC material, diisononyl 30 to 50 parts by weight of phthalate, 20 to 40 parts by weight of dioctyl phthalate, 10 to 30 parts by weight of calcium carbonate, 5 to 15 parts by weight of antimony trioxide, and 5 to 15 parts by weight of carbon black to prepare for 7 to 10 hours of mixing to be.
상기 폐 PVC 자재 점도 저하용 폴리옥시에틸렌알킬이써계 점도 저하제는 폴리옥시에틸렌알킬이써 100중량부에 메틸올레이트 60~80중량부, 하이드로카본 50~70 중량부 및 2-페녹시에틸메타아크릴레이트 30~50 중량부로 조성하여 제조하였다.
The polyoxyethylene alkyl ether-based viscosity reducing agent for reducing the viscosity of the waste PVC material is 60 to 80 parts by weight of methyl oleate, 50 to 70 parts by weight of hydrocarbon and 2-phenoxyethyl methacryl in 100 parts by weight of polyoxyethylene alkyl ether. It was prepared by composition at a rate of 30 to 50 parts by weight.
상기 폴리옥시에틸렌알킬이써계 점도저하제를 구성하는 폴리옥시에틸렌알킬이써는 인화점 205℃ 이상인 것을 사용한다. 이는 점도 저하를 위한 주재료로 본 발명은 이러한 물성 수치 조건을 가진 것을 사용할 때 가장 좋은 효과를 가진다.
As polyoxyethylene alkyl which comprises the said polyoxyethylene alkyl ether type viscosity reducing agent, what has a flash point of 205 degreeC or more is used. This is the main material for lowering the viscosity, the present invention has the best effect when using those having such physical properties numerical conditions.
또한 상기 메틸올레이트는 인화점 177℃, 분자량 296.5, 비중 0.87인 것을 사용한다. 본 발명은 이러한 물성 수치 조건을 가진 것을 사용할 때 가장 좋은 효과를 가진다.In addition, the methyl oleate uses a flash point of 177 ℃, molecular weight 296.5, specific gravity 0.87. The present invention has the best effect when using one having such physical property numerical condition.
한편, 본 발명 점도저하제의 조성비에서 메틸올레이트의 함량이 60 중량부 미만이면 PVC졸 제조시 점도 저하 능력이 감소하고 80 중량부를 초과하면 자체의 점도가 높아지게 되므로 본 발명은 이러한 한정 수치 구간으로 한정한다.
On the other hand, if the content of the methylolate in the composition ratio of the viscosity reducing agent of the present invention is less than 60 parts by weight, the ability to lower the viscosity during the production of PVC sol decreases, and if the content exceeds 80 parts by weight, the present invention is limited to this limited numerical range do.
또한 상기 하이드로카본은 인화점 196℃, 비중 0.832인 것을 사용한다. 본 발명은 이러한 물성 수치 조건을 가진 것을 사용할 때 가장 좋은 효과를 가진다.In addition, the hydrocarbon uses a flash point of 196 ℃, specific gravity 0.832. The present invention has the best effect when using one having such physical property numerical condition.
한편, 본 발명 점도저하제의 조성비에서 하이드로카본의 함량이 50 중량부 미만이면 조색성이 떨어지고 70중량부를 초과하면 광택성이 너무 높아지게 되므로 본 발명은 이러한 한정 수치 구간으로 한정한다.
On the other hand, when the content of the hydrocarbon in the composition ratio of the viscosity reducing agent of the present invention is less than 50 parts by weight, the color rendering is inferior, and if it exceeds 70 parts by weight, the glossiness is too high, the present invention is limited to this limited numerical range.
또한 2-페녹시에틸메타아크릴레이트는 30 ~ 50중량부인 것을 사용한다.In addition, 2-phenoxyethyl methacrylate uses 30-50 weight part.
한편, 본 발명 점도저하제의 조성비에서 2-페녹시에틸메타아크릴레이트의 함량이 30 중량부 미만이면 흐름성이 감소하고 50 중량부를 초과하면 분산성이 떨어져 난연 PVC 졸 제조시 탄산칼슘이나 카본블랙의 균일한 혼합이 이루어지지 않게 되므로 본 발명은 이러한 한정 수치 구간으로 한정한다.
On the other hand, when the content of 2-phenoxyethyl methacrylate is less than 30 parts by weight in the composition ratio of the viscosity reducing agent of the present invention, the flowability decreases, and when it exceeds 50 parts by weight, the dispersibility is poor. Since the uniform mixing is not made, the present invention is limited to this limited numerical section.
본 발명의 상기 난연 PVC 졸에서 PVC 자재의 크기를 3cm 이하로 한정한 이유는 용융성 때문이다. 바람직하게는 1 ~ 3cm 범위의 자재 크기를 사용한다. 이러한 범위를 벗어나면 용융 상태가 본 발명에서 필요로 하는 상태를 만족하지 못하기 때문이다.
The reason for limiting the size of the PVC material to 3 cm or less in the flame retardant PVC sol of the present invention is due to meltability. Preferably material sizes in the range of 1 to 3 cm are used. If it is out of this range, the molten state does not satisfy the state required by the present invention.
또한 난연 PVC졸 제조에서 폐 PVC 자재 100 중량부의 승온 온도가 80℃ 미만이면 폐 PVC 자재가 용융되지 않으며, 100℃를 초과하면 분해가 일어나 물성(기계적특성)이 감소하게 되므로 본 발명은 이러한 한정 수치 구간으로 한정한다.
In addition, when the temperature rise temperature of 100 parts by weight of waste PVC material is less than 80 ℃ in the manufacture of flame-retardant PVC sol, the waste PVC material is not melted, and if the temperature exceeds 100 ℃, decomposition occurs and the physical properties (mechanical characteristics) are reduced, so the present invention is such a limited value. It is limited to a section.
또한 상기 난연 PVC졸 제조시 점도저하제의 함량이 50 중량부 미만이면 전체 점도가 너무 높아 시트로 가공하기가 어려우며, 70 중량부를 초과하면 전체 점도가 너무 낮아져 가공성이 나빠지게 되므로 본 발명은 이러한 한정 수치 구간으로 한정한다.
In addition, when the flame retardant PVC sol is less than 50 parts by weight of the content of the viscosity reducing agent is too high the overall viscosity is difficult to process into a sheet, when the content exceeds 70 parts by weight of the overall viscosity is too low, the workability is worse, so the present invention is limited It is limited to a section.
또한 상기 난연 PVC졸 제조시 디아이소노닐프탈레이트 함량이 30 중량부 미만이면 시트로 가공시 주름이 잡히는 현상이 발생하며 50 중량부를 초과하면 신장율이 증가되므로 본 발명은 이러한 한정 수치 구간으로 한정한다.
In addition, when the flame retardant PVC sol is produced when the diisonyl phthalate content is less than 30 parts by weight, wrinkles occur when the sheet is processed, and when it exceeds 50 parts by weight, the elongation is increased.
또한 디옥틸프탈레이트의 함량이 20 중량부 미만이면 가소성이 저하하고 40 중량부를 초과하면 인장강도가 감소하게 되므로 본 발명은 이러한 한정 수치 구간으로 한정한다.
In addition, when the content of dioctyl phthalate is less than 20 parts by weight, plasticity is lowered, and when the content of dioctyl phthalate is more than 40 parts by weight, the tensile strength is reduced.
또한 상기 탄산칼슘의 함량이 10 중량부 미만이면 고형분이 떨어지고 30 중량부를 초과하면 기계적 특성이 떨어지게 되므로 본 발명은 이러한 한정 수치 구간으로 한정한다.
In addition, if the content of the calcium carbonate is less than 10 parts by weight of the solid content falls, if it exceeds 30 parts by weight of the mechanical properties will fall, so the present invention is limited to this limited numerical range.
또한 상기 삼산화안티몬의 함량이 5 중량부 미만이면 난연성이 부족하고 15 중량부를 초과하면 용제 침식성이 감소하여 분산이 어려워지게 되므로 본 발명은 이러한 한정 수치 구간으로 한정한다.In addition, if the content of the antimony trioxide is less than 5 parts by weight, the flame retardancy is insufficient, if the content exceeds 15 parts by weight of the solvent erosion is difficult to disperse because the present invention is limited to this limited numerical range.
또한 상기 카본블랙의 함량이 5 중량부 미만이면 검정색 시트 표면에 하얀색의 얼룩이 발생하고, 15 중량부를 초과하면 균일한 혼합이 이루어지지 않게 되므로 본 발명은 이러한 한정 수치 구간으로 한정한다.
In addition, when the carbon black content is less than 5 parts by weight, white uneven color may occur on the black sheet surface, and when the content of the carbon black is more than 15 parts by weight, uniform mixing may not be achieved.
또한 상기에서 혼합 시간이 7 ~ 10시간이 되어야만 방수 시트로 가공하기가 원활한 PVC졸이 되기 때문에 반드시 시간을 지켜야 한다.
In addition, the mixing time of the above 7 to 10 hours to be a smooth PVC sol to be processed into a waterproof sheet must be kept time.
한편, 본 발명의 한 실시예에 따른 난연 PVC 시트의 제조방법은, 상기 난연 PVC졸을 압출 성형하여 필요한 형상(폭, 길이 두께)의 난연성 PVC 시트를 제조하는 단계;를 더 포함하여 이루어진다. 압출 성형시의 압력, 냉각 온도, 냉각 시간 등의 인자는 필요 작업에 따라 적절히 변경하여 생산하면 되므로 이러한 한정요소에 본 발명의 PVC 시트가 한정되지는 않는다. On the other hand, the method of manufacturing a flame-retardant PVC sheet according to an embodiment of the present invention, by extruding the flame-retardant PVC sol to produce a flame-retardant PVC sheet of the required shape (width, length thickness); further comprises. Factors such as pressure, cooling temperature, cooling time, etc. during extrusion molding may be appropriately changed and produced according to the necessary work, so that the PVC sheet of the present invention is not limited to such limited elements.
여기서 압출기 등의 구조는 이러한 분야에서 공지의 구성이므로 구체적인 설명은 생략한다. 본 발명은 특정 압출기 또는 사출기의 형상, 구조 및 형식에 한정되지 않는다.
Here, the structure of the extruder and the like is a known configuration in this field, so a detailed description thereof will be omitted. The present invention is not limited to the shape, structure and format of the particular extruder or injection machine.
이하 본 발명을 실시예에 의거하여 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail with reference to Examples.
(실시예 1) 폐 PVC 자재 점도 저하용 점도저하제의 제조Example 1 Preparation of Viscosity Reducing Agent for Viscosity Reduction of Waste PVC Materials
본 발명의 점도 저하제는 폴리옥시에틸렌알킬이써 100 중량부에 메틸올레이트 70 중량부, 하이드로카본 60 중량부 및 2-페녹시에틸메타아크릴레이트 40 중량부를 첨가하여 제조하였다.
The viscosity reducing agent of the present invention was prepared by adding 70 parts by weight of methyl oleate, 60 parts by weight of hydrocarbon and 40 parts by weight of 2-phenoxyethyl methacrylate to 100 parts by weight of polyoxyethylene alkyl ether.
(실시예 2) 난연 PVC졸의 제조 1Example 2 Preparation of Flame Retardant PVC Sol 1
본 발명의 난연 PVC졸은 3cm 이하 크기의 폐 PVC 자재 100 중량부를 80℃로 승온 후 상기 실시예 1에서 제조한 점도저하제 50중량부, 디아이소노닐프탈레이트 30중량부, 디옥틸프탈레이트 20중량부, 탄산칼슘 10중량부, 삼산화안티몬 5중량부 및 카본블랙 5중량부를 첨가하여 7시간 혼합하여 제조한 후 방수 시트로 가공 하였다.
Flame retardant PVC sol of the present invention is 100 parts by weight of waste PVC material of 3cm or less in size after heating up to 80 ℃ 50 weight parts of the viscosity reducing agent prepared in Example 1, 30 parts by weight of diisononyl phthalate, 20 parts by weight of dioctyl phthalate, 10 parts by weight of calcium carbonate, 5 parts by weight of antimony trioxide, and 5 parts by weight of carbon black were added thereto, mixed for 7 hours, and then processed into a waterproof sheet.
(실시예 3) 난연 PVC졸의 제조 2Example 3 Preparation of Flame Retardant PVC Sol 2
본 발명의 난연 PVC졸은 3cm 이하 크기의 폐 PVC 자재 100 중량부를 90℃로 승온 후, 상기 실시예 1에서 제조한 점도저하제 60중량부, 디아이소노닐프탈레이트 40중량부, 디옥틸프탈레이트 30중량부, 탄산칼슘 120중량부, 삼산화안티몬 10중량부 및 카본블랙 10중량부를 첨가하여 8시간 혼합하여 제조한 후 방수 시트로 가공 하였다.
Flame retardant PVC sol of the present invention after heating up 100 parts by weight of waste PVC material of 3cm or less size at 90 ℃, 60 parts by weight of the viscosity reducing agent prepared in Example 1, 40 parts by weight of diisononyl phthalate, 30 parts by weight of dioctylphthalate , 120 parts by weight of calcium carbonate, 10 parts by weight of antimony trioxide, and 10 parts by weight of carbon black were added and mixed for 8 hours to prepare a waterproof sheet.
(실시예 4) 난연 PVC졸의 제조 3Example 4 Preparation of Flame Retardant PVC Sol 3
본 발명의 난연 PVC졸은 3cm 이하 크기의 폐 PVC 자재 100 중량부를 100℃로 승온 후 상기 실시예 1에서 제조한 점도저하제 70 중량부, 디아이소노닐프탈레이트 50 중량부, 디옥틸프탈레이트 40 중량부, 탄산칼슘 30 중량부, 삼산화안티몬 15 중량부 및 카본블랙 15 중량부를 첨가하여 10 시간 혼합하여 제조한 후 방수 시트로 가공 하였다.
Flame retardant PVC sol of the present invention is 100 parts by weight of waste PVC material of 3cm or less in size after heating up to 100 ℃ 70 weight parts of the viscosity reducing agent prepared in Example 1, 50 parts by weight of diisononyl phthalate, 40 parts by weight of dioctyl phthalate, 30 parts by weight of calcium carbonate, 15 parts by weight of antimony trioxide, and 15 parts by weight of carbon black were added thereto, mixed for 10 hours, and then processed into a waterproof sheet.
상기와 같이 구성되는 본 발명의 폐자재를 이용한 방수시트는 폐 폴리비닐클로라이드 바닥재를 특정 온도에서 재용융하여 사용하므로 기존의 폴리비닐클로라이드(PVC) 수지를 원료로 사용하여 제조되는 시트에 비하여 원가가 절감되며, 난연성이며, 폐기되는 물질을 재활용함으로써 친환경적이다.
The waterproof sheet using the waste material of the present invention configured as described above uses waste polyvinyl chloride flooring material at a specific temperature, so that the cost is lower than that of a sheet manufactured using a conventional polyvinyl chloride (PVC) resin as a raw material. Reduced, flame retardant and environmentally friendly by recycling waste materials.
상기와 같이 제조한 방수시트를 KSF 4934 규격에 의거한 물성 측정 결과는 [표 1]과 같다.The results of measuring the physical properties of the waterproof sheet manufactured as described above according to the KSF 4934 standard are shown in [Table 1].
[본 발명 방수시트와 기존 방수시트의 물성 측정 비교표]
[Comparison Table of Measurement of Physical Properties of Inventive Waterproofing Sheet and Existing Waterproofing Sheet]
본 발명의 폐 PVC 자재(폴리비닐클로라이드 바닥재 등)를 이용한 친환경 난연 PVC졸을 사용하여 가공한 방수 시트와 기존의 신규 PVC졸을 사용하여 가공한 방수 시트간의 물성 비교 측정한 결과 표 1과 같이 모든 성능 면에서 폐 PVC 자재를 이용한 친환경 난연 PVC졸을 사용하여 가공한 방수 시트가 우수하게 나타났다.Comparison of physical properties between the waterproof sheet processed using eco-friendly flame retardant PVC sol using waste PVC material (polyvinyl chloride flooring material) of the present invention and the waterproof sheet processed using existing new PVC sol. In terms of performance, the waterproof sheet processed using eco-friendly flame-retardant PVC sol using waste PVC material was excellent.
상기 표 1에서 기존 PVC 시트는 폐 PVC 자재가 아닌 신규 PVC를 사용한 H사 제품이다.
Existing PVC sheet in Table 1 is a product of H company using new PVC, not waste PVC material.
본 발명은 상술한 특정의 바람직한 실시 예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 기술분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변형실시가 가능한 것은 물론이고, 그와 같은 변경은 청구범위 기재의 범위 내에 있게 된다.It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents. Of course, such modifications are within the scope of the claims.
Claims (9)
상기 폴리옥시에틸렌알킬이써계 점도 저하제는 폴리옥시에틸렌알킬이써 100 중량부에 메틸올레이트 60 ~ 80중량부, 하이드로카본 50 ~ 70중량부 및 2-페녹시에틸메타아크릴레이트 30 ~ 50중량부가 혼합 조성된 것을 특징으로 하는 폐 PVC 자재를 포함하는 난연 PVC졸 조성물.
50 to 70 parts by weight of polyoxyethylene alkyl ether-based viscosity lowering agent for viscosity reduction of waste PVC materials to 100 parts by weight of waste PVC material, 30 to 50 parts by weight of diisonyl phthalate, 20 to 40 parts by weight of dioctylphthalate, 10 to calcium carbonate 30 parts by weight, 5 to 15 parts by weight of antimony trioxide and 5 to 15 parts by weight of carbon black are mixed,
The polyoxyethylene alkyl ether-based viscosity reducing agent is 60 to 80 parts by weight of methyl oleate, 50 to 70 parts by weight of hydrocarbon and 30 to 50 parts by weight of 2-phenoxyethyl methacrylate in 100 parts by weight of polyoxyethylene alkyl ether. Flame retardant PVC sol composition comprising a waste PVC material characterized in that the mixed composition.
상기 폐 PVC 자재는 3cm 이하로 재단된 것을 사용하는 것을 특징으로 하는 폐 PVC 자재를 포함하는 난연 PVC졸 조성물.
The method according to claim 1,
The waste PVC material is a flame retardant PVC sol composition comprising a waste PVC material, characterized in that used to be cut to less than 3cm.
상기 폴리옥시에틸렌알킬이써는 인화점 205℃ 이상인 것을 사용하고, 메틸올레이트는 인화점 177℃, 분자량 296.5, 비중 0.87인 것을 사용하고, 하이드로카본은 인화점 196℃, 비중 0.832인 것을 사용하는 것을 특징으로 폐 PVC 자재를 포함하는 난연 PVC졸 조성물.
The method according to claim 1,
The polyoxyethylene alkyl uses a flash point of 205 ° C. or higher, methyl oleate uses a flash point of 177 ° C., a molecular weight of 296.5, and a specific gravity of 0.87, and hydrocarbon uses a flash point of 196 ° C. and a specific gravity of 0.832. Flame retardant PVC sol composition comprising a PVC material.
(b) 폐 PVC 자재를 일정 크기 이하로 재단하는 단계와;
(c) 재단된 폐 PVC 자재, 폴리옥시에틸렌알킬이써계 점도저하제, 디아이소노닐프탈레이트, 디옥틸프탈레이트, 탄산칼슘, 삼산화안티몬 및 카본블랙을 혼합 조성하는 단계;로 이루어지되,
상기 폴리옥시에틸렌알킬이써계 점도저하제는 폴리옥시에틸렌알킬이써 100 중량부에 메틸올레이트 60 ~ 80중량부, 하이드로카본 50 ~ 70중량부 및 2-페녹시에틸메타아크릴레이트 30 ~ 50중량부가 혼합 조성된 것을 특징으로 하는 폐 PVC 자재를 포함하는 난연 PVC졸 조성물의 제조방법.
(a) preparing a polyoxyethylene alkyl ether-based viscosity reducing agent for reducing viscosity of waste PVC materials;
(b) cutting the waste PVC material to a predetermined size or less;
(c) mixed composition of the cut waste PVC material, polyoxyethylene alkyl ether-based viscosity lowering agent, diisononylphthalate, dioctylphthalate, calcium carbonate, antimony trioxide and carbon black;
The polyoxyethylene alkyl ether-based viscosity reducing agent is 60 to 80 parts by weight of methyl oleate, 50 to 70 parts by weight of hydrocarbon and 30 to 50 parts by weight of 2-phenoxyethyl methacrylate in 100 parts by weight of polyoxyethylene alkyl ether. A method for producing a flame retardant PVC sol composition comprising waste PVC material, characterized in that the mixed composition.
상기 폐 PVC 자재는 3cm 이하의 크기로 재단하여 사용하는 것을 특징으로 하는 폐 PVC 자재를 포함하는 난연 PVC졸 조성물의 제조방법.
The method according to claim 5,
The waste PVC material is a method of producing a flame retardant PVC sol composition comprising a waste PVC material, characterized in that used to cut to a size of less than 3cm.
상기 (c)단계는 폐 PVC 자재 100 중량부를 80 ~ 100℃로 승온 후, 폐 PVC 자재 점도 저하용 폴리옥시에틸렌알킬이써계 점도저하제 50 ~ 70 중량부, 디아이소노닐프탈레이트 30 ~ 50 중량부, 디옥틸프탈레이트 20 ~ 40 중량부, 탄산칼슘 10 ~ 30 중량부, 삼산화안티몬 5 ~ 15 중량부 및 카본블랙 5 ~ 15 중량부를 첨가하여 7 ~ 10시간 혼합하는 것을 특징으로 하는 폐 PVC 자재를 포함하는 난연 PVC졸 조성물의 제조방법.
The method according to claim 5,
In the step (c), 100 parts by weight of the waste PVC material is heated to 80 to 100 ° C., 50 to 70 parts by weight of a polyoxyethylene alkyl ether-based viscosity reducing agent for reducing the viscosity of the waste PVC material, 30 to 50 parts by weight of diisonyl phthalate, 20 to 40 parts by weight of dioctyl phthalate, 10 to 30 parts by weight of calcium carbonate, 5 to 15 parts by weight of antimony trioxide, and 5 to 15 parts by weight of carbon black are added and mixed for 7 to 10 hours. Method for producing a flame retardant PVC sol composition.
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