KR102089580B1 - Composition For A Roadside Plant Protection Block Having Excellent Workability With Wasted Plastics And The Block Manufactured By Using The Composition - Google Patents
Composition For A Roadside Plant Protection Block Having Excellent Workability With Wasted Plastics And The Block Manufactured By Using The Composition Download PDFInfo
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
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Abstract
Description
본 발명은 재생 플라스틱을 이용한 시공성이 우수한 가로수 식목보호 블록용 조성물, 상기 조성물의 제조방법 및 이를 이용하여 제조된 가로수 식목보호 블록에 관한 것으로, 더욱 상세하게는 강도, 내구성, 내마모성 및 내식성이 우수하고 시공성이 우수한 가로수 식목보호 블록용 조성물, 상기 조성물의 제조방법 및 이를 이용하여 제조된 가로수 식목보호 블록에 관한 것이다.The present invention relates to a composition for a tree planting protection block having excellent workability using recycled plastics, a method for preparing the composition, and a tree planting protection block manufactured using the same, more specifically, excellent in strength, durability, abrasion resistance and corrosion resistance. A composition for a tree planting protection block having excellent workability, and a method for preparing the composition and a tree planting protection block manufactured using the same.
도심 속의 녹지는 대기오염을 줄여 주고 방음벽 역할을 하며 그늘의 제공, 온도·습도의 조절기능 등 도시미화와 환경정화에 커다란 효과가 있기 때문에 멀리 있는 산속의 나무보다 훨씬 큰 환경적 의미가 있다.Greenery in the city has much greater environmental significance than trees in distant mountains because it has a great effect on urban beautification and environmental purification, such as reducing air pollution, acting as a sound barrier, providing shade, and controlling temperature and humidity.
그러나 도시 대부분의 녹지 조성은 현실적으로 불가능하기 때문에 그 대체 방안으로 가로수가 많이 심어지고 있으며, 이와 같은 가로수는 주택가나 아스팔트로 포장된 도로변에 심어져서 도로변의 경치를 아름답게 하고 도로를 오가는 차량의 운전자나 보행자에게 상쾌감과 자연친화적인 느낌을 주게 한다.However, since most green spaces in cities are practically impossible, roadside trees are being planted as an alternative, and such street trees are planted on roadsides paved with residential or asphalt roads to enhance the scenery of roadsides and drivers or pedestrians of vehicles going back and forth. Gives a feeling of refreshment and nature-friendliness.
한편, 가로수는 주택가나 아스팔트로 포장된 도로변에 심어져서 도로변의 경치를 아름답게 하고 도로를 오가는 차량의 운전자나 보행자에게 상쾌감을 준다. 또한, 아스팔트나 시멘트 등으로 포장된 광장에 심어져서 도시의 풍광을 미려하게 하고 도시민에게 자연친화적인 느낌을 준다. 이때, 지면에 접하는 가로수 줄기 주변은 나지의 상태로 외부에 노출시킴으로써, 가로수 뿌리쪽으로 공기나 빗물이 스며들게하여 가로수의 생육을 돕는다. 그러나 가뭄시기에 물이 제대로 공급되지 못해 생육에 저하를 초래하며, 생육에 필요한 영양소의 공급이 원활하지 못하여 뿌리의 생육이 나빠져 전소되는 문제점이 있었다. 특히 옮겨심기를 하여 발육상태가 고르지 못한 가로수의 경우 뿌리의 지반 지지력이 나빠져 태풍이나 기타의 외력에 의해 쉽게 전소되는 문제점이 있었다. On the other hand, street trees are planted on the side of a residential area or asphalt-paved road to beautify the scenery along the roadside and provide a refreshing feeling to drivers and pedestrians of vehicles on and off the road. In addition, it is planted in a square paved with asphalt or cement to make the scenery of the city beautiful and gives the city a natural friendly feeling. At this time, by surrounding the street tree stems in contact with the ground exposed to the outside, the air or rain water infiltrate the roots of the street trees to help the growth of street trees. However, the water is not properly supplied during the drought, causing a drop in growth, and the supply of nutrients necessary for growth is not smooth, so there is a problem that the growth of the roots is worsened and burned down. In particular, in the case of roadside trees with uneven growth due to planting, there was a problem in that the ground support capacity of the roots was deteriorated and easily burned out by typhoons or other external forces.
또한, 차량 충돌과 같은 사고 발생률이 높은 인도 또는 도로상에 설치되는 수단임에도 불구하고 차량 충돌 시 충격을 완충시켜 줄 수 있도록 하는 장비 및 이를 보호토록 하는 보호장비가 전혀 없어 사고 발생 시 차량에 탑승한 운전자에게 심각한 부상을 제공하는 문제를 자주 발생시켰음은 물론이고, 시설물 또는 가로수가 인도 또는 도로상으로 전도되도록 하여 제 2의 대형 인사사고 및 교통장애를 초래하는 문제점이 있었다.In addition, despite the fact that it is a means to be installed on a road or a road with a high accident incidence such as a vehicle collision, there is no equipment to buffer the impact in the event of a vehicle collision and protection equipment to protect it. In addition to frequently causing problems that provide serious injuries to drivers, there is a problem that causes facility or roadside trees to fall or pass over the road, leading to a second major human accident and traffic obstacle.
본 발명은 상기 실정을 감안하여 이루어진 것으로, 그 해결 과제는 플라스틱의 재료가 지니는 성질을 갖는 경량화된 가로수 식목보호 블록을 제조할 수 있으며, 재료 자체의 특성으로 파손되거나 휘어지지 않으며, 이그러지는 현상을 방지함과 동시에 강도 및 내구성이 우수하며, 표면이 거칠어 미끄러움을 방지할 수 있는 가로수 식목보호 블록용 조성물l, 상기 조성물의 제조방법 및 그에 의해 제조된 가로수 식목보호 블록을 제공하는 데 있다. The present invention has been made in view of the above circumstances, and the problem to be solved is to manufacture a lightweight tree planting protection block having a property of a plastic material, and it is not damaged or bent due to the properties of the material itself, and this phenomenon is prevented. At the same time as preventing and at the same time excellent in strength and durability, the surface is a rough tree planting protection composition l that can prevent slipping, to provide a method for preparing the composition and a tree planting protection block prepared thereby.
또한, 강도 및 내구성이 우수하여 침식, 파손을 방지하고, 화학적 침식으로 인한 콘크리트 부식을 방지하고 지하에 매설함으로써 인도 또는 도로의 경관미를 살리고, 고정수단 및 버팀 수단에 보행자가 걸려 넘어지는 등의 안전사고를 방지하며, 뿌리 생육이 가능한 공간을 확보하는 시공성이 우수한 가로수 식목보호 블록용 조성물, 상기 조성물의 제조방법 및 이를 이용하여 제조된 가로수 식목보호 블록을 제공함에 있다. In addition, it has excellent strength and durability, prevents erosion and damage, prevents corrosion of concrete due to chemical erosion, and saves the beauty of sidewalks or roads by buried underground, and safety such as pedestrians tripping on fixing means and props. It is to provide a composition for a tree planting protection block having excellent constructability to prevent accidents and to secure a space for root growth, a method for preparing the composition, and a tree planting protection block manufactured using the same.
본 발명의 제1 실시형태는, 충전재 5∼80 중량% 및 개질 결합재 20∼95 중량%를 포함하며, 상기 개질 결합재는, 결합재의 총 100 중량% 기준으로, 재생 폴리에스터수지 25∼96 중량%, 염화비닐-초산비닐공중합체 1∼25 중량%, 폴리비닐부틸알 1∼20 중량%, 폴리염화비닐리덴 1∼20 중량% 및 폴리비닐포르말 1∼20 중량%를 포함하고, 상기 충전재는, 충전재의 총 100 중량% 기준으로, 중질탄산칼슘 25∼91 중량%, 이산화규소 5∼30 중량%, 알런덤 1∼20 중량%, 카보런덤 1∼20 중량%, 운모 1∼20 중량% 및 세피올라이트 1∼10 중량%를 포함하는 가로수 식목보호 블록용 조성물을 제공한다.The first embodiment of the present invention includes 5 to 80% by weight of filler and 20 to 95% by weight of modified binder, and the modified binder is 25 to 96% by weight of recycled polyester resin based on 100% by weight of the binder. , 1 to 25% by weight of vinyl chloride-vinyl acetate copolymer, 1 to 20% by weight of polyvinylbutylal, 1 to 20% by weight of polyvinylidene chloride and 1 to 20% by weight of polyvinyl formal, wherein the filler , Based on 100% by weight of the filler, 25 to 91% by weight of heavy calcium carbonate, 5 to 30% by weight of silicon dioxide, 1 to 20% by weight of arandom, 1 to 20% by weight of carborundum, 1 to 20% by weight of mica, and Provided is a composition for a roadside tree protection block comprising 1-10 wt% of sepiolite.
상기 개질 결합재는 수축을 저감하기 위하여 개질 결합재의 중량 대비 1: 1∼10의 비율로 폴리에틸렌옥사이드를 더 포함할 수 있다.The modified binder may further include polyethylene oxide in a ratio of 1 to 10 relative to the weight of the modified binder to reduce shrinkage.
상기 개질 결합재는 반응성을 개선하여 강도 및 내구성을 증진시키기 위하여 개질 결합재의 중량 대비 1: 1∼10의 비율로 비닐트리메톡시실란을 더 포함할 수 있다. The modified binder may further include vinyl trimethoxysilane in a ratio of 1: 1 to 10 by weight of the modified binder to improve reactivity and improve strength and durability.
상기 충전재는 강도 및 내마모성을 개선하기 위하여 충전재의 중량 대비 1: 1∼10의 비율로 파인세라믹을 더 포함할 수 있다. The filler may further include a fine ceramic in a ratio of 1: 1 to 10 by weight of the filler to improve strength and wear resistance.
또한, 본 발명의 제2 실시형태는 충전재 30 중량%를 100℃이상으로 유지하며 강제식 믹서 또는 연속식 믹서를 이용하여 2분간 건비빔하고, 개질 결합재 70 중량%를 온도 100∼160℃로 용융하여 상기 건비빔된 충전재를 혼합하여 반응조에서 소정시간 3분간 교반하여 가로수 식목보호 블록용 조성물을 제조하는 방법을 제공한다.In addition, in the second embodiment of the present invention, 30% by weight of the filler is maintained at 100 ° C or higher and dry for 2 minutes using a forced mixer or a continuous mixer, and 70% by weight of the modified binder is melted at a temperature of 100 to 160 ° C. It provides a method for preparing a composition for a tree planting protection block by mixing the dry grated filler and stirring in a reaction tank for 3 minutes for a predetermined time.
본 발명에 따른 조성물의 제조방법에 사용되는 상기 개질 결합재는 개질 결합재의 총 100 중량%를 기준으로 재생 폴리에스터수지 25∼96 중량%, 염화비닐-초산비닐공중합체 1∼25 중량%, 폴리비닐부틸알 1∼20 중량%, 폴리염화비닐리덴 1∼20 중량%, 및 폴리비닐포르말 1∼20 중량%이고, 그리고 상기 충전재는 충전재의 총 100 중량%를 기준으로 중질탄산칼슘 25∼91 중량%, 이산화 규소 5∼30 중량%, 알런덤 1∼20 중량%, 카보런덤 1∼20 중량%, 운모 1∼20 중량%, 및 세피올라이트 1∼10 중량%이다. The modified binder used in the method for preparing the composition according to the present invention is 25 to 96% by weight of a recycled polyester resin, 1 to 25% by weight of a vinyl chloride-vinyl acetate copolymer, and polyvinyl based on 100% by weight of the total of the modified binder. 1 to 20% by weight of butyl al, 1 to 20% by weight of polyvinylidene chloride, and 1 to 20% by weight of polyvinyl formal, and the filler is 25 to 91% of heavy calcium carbonate based on 100% by weight of the filler %, 5 to 30% by weight of silicon dioxide, 1 to 20% by weight of arandom, 1 to 20% by weight of carborundum, 1 to 20% by weight of mica, and 1 to 10% by weight of sepiolite.
본 발명은 또한 상부는 직선이고 하부는 뿌리줄기 수용부를 가지며, 길이방향 일측 단부의 일부가 상부로부터 폭방향 절반까지 절개되어 있는 상부 절개부, 상기 상부 절개부 아래에는 폭방향 절반부터 하부까지 형성되어 있는 하부 돌출부, 길이방향 타측 단부의 일부가 상부로부터 폭방향 절반까지 형성되어 있는 상부 돌출부, 및 길이방향 타측 단부의 일부가 폭방향 절반부터 하부까지 절개되어 있는 하부 절개부를 갖는 블록단편 4개로 이루어지며, 한 블록단편의 상부 돌출부가 또 다른 블록단편의 상부 절개부의 측면에서 계합되고, 나머지 2개의 블록단편도 동일한 방식으로 계합되어 구성되는 것을 특징으로 하는 가로수 식목보호 블록을 제공한다. In the present invention, the upper portion is straight and the lower portion has a rhizome accommodating portion, and an upper incision part in which a part of one end in the longitudinal direction is cut from the upper part to the width direction half, and is formed from the lower part to the lower part in the width direction from the upper part to the lower part. It consists of four block fragments with a lower projection, an upper projection where a portion of the other end in the longitudinal direction is formed from the top to a half in the width direction, and a lower projection in which a portion of the other end in the longitudinal direction is cut from the half to the bottom in the width direction. , The upper projection of one block fragment is engaged in the side of the upper incision of another block fragment, and the other two block fragments are engaged in the same manner to provide a tree planting protection block.
본 발명에 따른 가로수 식목보호 블록용 조성물은 강도 및 내구성, 특히 내수성, 내약품성, 내마모성 및 내식성이 우수하여 유지관리 비용을 현저히 절감할 수 있는 효과를 얻을 수 있다. 또한, 상기 가로수 식목보호 블록을 지하에 매설함으로써 인도 또는 도로의 경관미를 살리고, 고정수단 및 버팀 수단에 보행자가 걸려 넘어지는 등의 안전사고를 방지하며, 뿌리 생육이 가능한 공간을 확보할 수 있다. 또한, 산업 폐기물인 재생 플라스틱을 이용함으로써 친환경성 및 경제성이 우수하다. 또한, 하나의 성형틀에서 4장의 블록을 형성하여 생산이 가능하고 현장에서 상기 가로수 식목보호 블록을 조립하여 시공이 가능함으로 가로수의 뿌리 모양에 따라 시공이 가능하고 뿌리 생육이 가능한 공간을 형성하여 뿌리 생육에 도움을 줄 수 있는 효과가 있다. The composition for a tree planting protection block according to the present invention is excellent in strength and durability, in particular, water resistance, chemical resistance, abrasion resistance and corrosion resistance, so that an effect of significantly reducing maintenance costs can be obtained. In addition, by laying the tree planting protection block in the basement, the scenery of the sidewalk or road can be saved, and safety accidents such as pedestrians falling over the fixing means and supporting means can be prevented, and a space for root growth can be secured. In addition, it is excellent in eco-friendliness and economy by using recycled plastics, which are industrial wastes. In addition, it is possible to produce by forming 4 blocks in one molding frame, and assemble and construct the tree planting protection block in the field, it is possible to construct according to the root shape of the tree and form a space where roots can be grown to form roots. It has the effect of helping growth.
도 1은 본 발명에 따른 가로수 식목보호 블록의 사용 개념도이다.
도 2는 본 발명에 따라 뿌리줄기 수용부가 아치형인 가로수 식목보호 블록의 사시도이다.
도 3은 도 2의 분해도이다.
도 4는 본 발명에 따라 뿌리줄기 수용부가 이중 사다리형인 가로수 식목보호 블록의 사시도이다.
도 5는 도 4의 분해도이다.
도 6은 본 발명에 따라 뿌리줄기 수용부가 이중 아치형인 가로수 식목보호 블록의 사시도이다.
도 7은 도 6의 분해도이다. 1 is a conceptual view of a tree planting protection block according to the present invention.
2 is a perspective view of a tree planting protection block in which the root stem receiving portion is arched according to the present invention.
3 is an exploded view of FIG. 2.
4 is a perspective view of a tree planting protection block in which the root stem receiving part is a double ladder type according to the present invention.
5 is an exploded view of FIG. 4.
Figure 6 is a perspective view of a tree planting protection block of a double-arched root stem receiving portion according to the present invention.
7 is an exploded view of FIG. 6.
이하, 본 발명에 따른 바람직한 실시예를 상세하게 설명한다. 그러나 이러한 설명이 본 발명을 한정하는 것이 아니므로 여러 가지 다른 형태로 변형될 수 있다. Hereinafter, preferred embodiments according to the present invention will be described in detail. However, these descriptions are not intended to limit the present invention and may be modified in various other forms.
본 발명의 제1 실시형태는 충전재 5∼80 중량% 및 개질 결합재 20∼95 중량%를 포함하는, 강도 및 내구성이 우수한 가로수 식목보호 블록용 조성물을 제공한다. The first embodiment of the present invention provides a composition for a tree planting protection block having excellent strength and durability, comprising 5 to 80% by weight of a filler and 20 to 95% by weight of a modified binder.
상기 개질 결합재는 개질 결합재의 총 100 중량% 기준으로 재생 폴리에스터수지 25∼96 중량%, 염화비닐-초산비닐공중합체 1∼25 중량%, 폴리비닐부틸알 1∼20 중량%, 폴리염화비닐리덴 1∼20 중량% 및 폴리비닐포르말 1∼20 중량%를 포함하는 것이 바람직하다. The modified binder is 25 to 96% by weight of recycled polyester resin, based on 100% by weight of the modified binder, 1 to 25% by weight of vinyl chloride-vinyl acetate copolymer, 1 to 20% by weight of polyvinylbutylal, and polyvinylidene chloride It is preferable to contain 1 to 20% by weight and 1 to 20% by weight of polyvinyl formal.
상기 재생 폴리에스터수지는 무기물간의 결합력, 부착력 및 내구성을 개선시킨다. 상기 재생 폴리에스터수지는 상기 개질 결합재에 대하여 25∼96 중량% 함유되는 것이 바람직한데, 재생 폴리에스터수지의 함량이 25 중량% 미만일 경우에는 무기물간의 결합력, 부착력 및 내구성 개선의 효과가 미약하고, 재생 폴리에스터 수지의 함량이 96 중량%를 초과하는 경우에는 더 이상의 강도 및 내구성 개선 효과를 기대하기 어렵고 경제적이지 못하다. The recycled polyester resin improves the bonding strength, adhesion and durability between inorganic materials. It is preferable that the regenerated polyester resin is contained in an amount of 25 to 96% by weight relative to the modified binder. When the content of the regenerated polyester resin is less than 25% by weight, the effect of improving the bonding strength, adhesion and durability between inorganic materials is weak, and regeneration When the content of the polyester resin exceeds 96% by weight, it is difficult to expect further improvement in strength and durability and it is not economical.
상기 염화비닐-초산비닐 공중합체는 가로수 식목보호 블록용 조성물의 접착력 및 인성을 개선하기 위하여 사용된다. 상기 염화비닐-초산비닐 공중합체는 상기 개질 결합재에 대하여 1∼25 중량%가 혼입되는 것이 바람직한데, 염화비닐-초산비닐 공중합체의 함량이 25 중량%를 초과하면 가로수 식목보호 블록용 조성물의 성능은 개선되나 가격경쟁력이 떨어질 수 있으며, 염화비닐-초산비닐 공중합체의 함량이 1 중량% 미만이면 가로수 식목보호 블록용 조성물의 작업성은 개선되나, 강도 및 내구 성능이 저하될 수 있다. The vinyl chloride-vinyl acetate copolymer is used to improve the adhesion and toughness of the composition for roadside tree protection blocks. The vinyl chloride-vinyl acetate copolymer is preferably 1 to 25% by weight with respect to the modified binder, when the content of the vinyl chloride-vinyl acetate copolymer exceeds 25% by weight, the performance of the composition for street tree planting protection block May be improved, but the price competitiveness may be lowered, and if the content of the vinyl chloride-vinyl acetate copolymer is less than 1% by weight, the workability of the composition for a tree planting protection block for street trees is improved, but strength and durability performance may be deteriorated.
상기 폴리비닐부틸알은 작업성 유지, 내수성, 내알칼리성이 우수하여 강도를 개선하는 효과가 있다. 상기 폴리비닐부틸알은 상기 개질 결합재에 대하여 1∼20 중량%가 혼입되는 것이 바람직한데, 폴리비닐부틸알의 함량이 20 중량%를 초과하면 가로수 식목보호 블록용 조성물의 성능은 개선되나 가격경쟁력이 떨어질 수 있으며, 폴리비닐부틸알의 함량이 1 중량% 미만이면 가로수 식목보호 블록용 조성물의 작업성은 개선되나, 내알칼리성 및 내수성이 저하될 수 있다. The polyvinylbutylal has an effect of improving strength by maintaining workability, water resistance, and alkali resistance. The polyvinylbutylal is preferably 1 to 20% by weight relative to the modified binder, when the content of polyvinylbutylal exceeds 20% by weight, the performance of the composition for a tree planting protection block is improved, but price competitiveness is improved. It may fall, and if the content of polyvinylbutylal is less than 1% by weight, the workability of the composition for a tree planting protection block for roadside trees is improved, but alkali resistance and water resistance may be deteriorated.
상기 폴리염화비닐리덴은 내구성 및 내마모성을 개선하기 위해 사용된다. 상기 폴리염화비닐리덴은 상기 개질 결합재에 대하여 1∼20 중량%가 혼입되는 것이 바람직한데, 폴리염화비닐리덴의 함량이 20 중량%를 초과하면 가로수 식목보호 블록용 조성물의 성능은 개선되나 가격경쟁력이 떨어질 수 있으며, 폴리염화비닐리덴의 함량이 1 중량% 미만이면 가로수 식목보호 블록용 조성물의 성능 개선효과가 미흡하게 된다. The polyvinylidene chloride is used to improve durability and wear resistance. The polyvinylidene chloride is preferably mixed with 1 to 20% by weight relative to the modified binder, when the content of polyvinylidene chloride exceeds 20% by weight, the performance of the composition for a tree planting protection block is improved, but price competitiveness It may fall, and if the content of polyvinylidene chloride is less than 1% by weight, the effect of improving the performance of the composition for roadside planting protection blocks will be insufficient.
상기 폴리비닐포르말은 가로수 식목보호 블록용 조성물의 강도 및 내구성을 개선하기 위하여 사용된다. 상기 폴리비닐포르말은 상기 개질 결합재에 대하여 1∼20 중량%가 혼입되는 것이 바람직한데, 상기 폴리비닐포르말의 함량이 20 중량%를 초과하면 가로수 식목보호 블록용 조성물의 성능은 개선되나 가격경쟁력이 떨어질 수 있으며, 상기 폴리비닐포르말의 함량이 1 중량% 미만이면 가로수 식목보호 블록용 조성물의 강도 및 내구성이 저하될 수 있다. The polyvinyl formal is used to improve the strength and durability of the composition for roadside tree protection blocks. The polyvinyl formal is preferably 1 to 20% by weight with respect to the modified binder, when the content of the polyvinyl formal exceeds 20% by weight, the performance of the composition for a tree planting protection block is improved, but price competitiveness This may fall, and if the content of the polyvinyl formal is less than 1% by weight, the strength and durability of the composition for roadside planting protection blocks may deteriorate.
상기 개질 결합재는 수축을 저감하기 위하여 상기 개질 결합재에 대하여 폴리에틸렌옥사이드 0.01∼10 중량%를 더 포함할 수 있다. 상기 폴리에틸렌옥사이드의 함량이 10 중량%를 초과하면 수축저감효과는 뚜렷하나 점성이 높아져 작업성이 저하되고, 상기 폴리에틸렌옥사이드의 함량이 0.01 중량% 미만이면 수축저감효과가 미흡하게 된다.The modified binder may further include 0.01 to 10% by weight of polyethylene oxide relative to the modified binder to reduce shrinkage. When the content of the polyethylene oxide exceeds 10% by weight, the effect of reducing shrinkage is obvious, but the viscosity is high and the workability decreases. When the content of the polyethylene oxide is less than 0.01% by weight, the effect of reducing shrinkage is insufficient.
상기 개질 결합재는 반응성을 개선하여 강도 및 내구성을 증진시키기 위하여 상기 개질 결합재에 대하여 비닐트리메톡시실란을 0.01∼10 중량%를 더 포함할 수 있다. 상기 비닐트리메톡시실란의 함량이 10 중량%를 초과하면 반응성이 촉진되어 작업성이 저하되고, 상기 비닐트리메톡시실란의 함량이 0.01 중량% 미만이면 반응성이 저하되어 성능개선효과가 미흡하게 된다.The modified binder may further include 0.01 to 10% by weight of vinyl trimethoxysilane relative to the modified binder to improve reactivity and enhance strength and durability. When the content of the vinyl trimethoxysilane exceeds 10% by weight, reactivity is promoted to reduce workability, and when the content of the vinyltrimethoxysilane is less than 0.01% by weight, reactivity decreases, resulting in insufficient performance improvement effect. .
상기 충전재는 충전재의 총 100 중량% 기준으로 중질탄산칼슘 25∼91 중량%, 이산화 규소 5∼30 중량%, 알런덤 1∼20 중량%, 카보런덤 1∼20 중량%, 운모 1∼20 중량% 및 세피올라이트 1∼10 중량%를 포함하는 것이 바람직하다. The filler is 25 to 91% by weight of heavy calcium carbonate, 5 to 30% by weight of silicon dioxide, 1 to 20% by weight of arandom, 1 to 20% by weight of carborundum, 1 to 20% by weight of mica, based on 100% by weight of the total of fillers And it is preferable to contain 1 to 10% by weight of sepiolite.
상기 중질탄산칼슘은 증점 및 충전성을 개선하기 위해 사용한다. 단열성 및 경량화를 위하여 사용된다. 상기 중질탄산칼슘은 상기 충전재에 대하여 25∼91 중량% 함유되는 것이 바람직하다. 상기 중질탄산칼슘의 함량이 91 중량%를 초과하면 성능은 개선되나 점도가 높아져 작업성이 저하되고, 상기 중질탄산칼슘의 함량이 25 중량% 미만이면 증점효과 및 충전성이 저하된다. The heavy calcium carbonate is used to improve thickening and filling properties. Used for insulation and weight reduction. The heavy calcium carbonate is preferably contained in an amount of 25 to 91% by weight relative to the filler. When the content of the heavy calcium carbonate exceeds 91% by weight, the performance is improved, but the viscosity increases and the workability decreases, and when the content of the heavy calcium carbonate is less than 25% by weight, the thickening effect and filling properties decrease.
상기 이산화 규소는 강도 및 내마모성을 개선하기 위해 사용한다. 상기 실리카질규사는 상기 충전재에 대하여 5∼30 중량% 함유되는 것이 바람직하다. 상기 이산화 규소의 함량이 30 중량%를 초과하면 성능은 개선되나 작업성 및 마무리성이 저하되고, 상기 이산화 규소의 함량이 5 중량% 미만이면 성능 개선효과가 미흡하게 된다.The silicon dioxide is used to improve strength and wear resistance. The silica silica sand is preferably contained in 5 to 30% by weight relative to the filler. If the content of the silicon dioxide exceeds 30% by weight, performance is improved, but workability and finish are deteriorated, and if the content of the silicon dioxide is less than 5% by weight, the performance improvement effect is insufficient.
상기 알런덤은 강도 및 내충격성을 개선하기 위하여 사용한다. 상기 알런덤은 상기 충전재에 대하여 1∼20 중량% 함유되는 것이 바람직하며, 상기 알런덤의 함량이 20 중량%를 초과하면 성능은 개선되나 작업성 및 경제성이 떨어지고, 상기 알런덤의 함량이 1 중량% 미만이면 성능 개선효과가 미약할 수 있다.The alandum is used to improve strength and impact resistance. The alumdom is preferably contained in 1 to 20% by weight relative to the filler, if the content of the alandum exceeds 20% by weight, performance is improved, but workability and economics are poor, and the content of the alandum is 1% by weight If it is less than%, the performance improvement effect may be weak.
상기 카보런덤은 내마모성 및 경도를 개선하기 위하여 사용한다. 상기 카보런덤은 상기 충전재에 대하여 1∼20 중량% 함유되는 것이 바람직하다. 상기 카보런덤의 함량이 20 중량%를 초과하면 성능은 개선되나 작업성이 떨어지고, 상기 카보런덤의 함량이 1 중량% 미만이면 성능 개선효과가 미약할 수 있다.The carborundum is used to improve wear resistance and hardness. The carborundum is preferably contained 1 to 20% by weight relative to the filler. If the content of the carborundum exceeds 20% by weight, the performance is improved, but the workability is poor, and if the content of the carborundum is less than 1% by weight, the performance improvement effect may be weak.
상기 운모는 강도, 열전도율 및 내수성을 개선하기 위하여 사용한다. 상기 운모는 상기 충전재에 대하여 1∼20 중량% 함유되는 것이 바람직하다. 상기 운모의 함량이 20 중량%를 초과하면 성능은 개선되나 작업성이 떨어지고, 상기 운모의 함량이 1 중량% 미만이면 성능 개선효과가 미약할 수 있다.The mica is used to improve strength, thermal conductivity and water resistance. The mica is preferably contained 1 to 20% by weight relative to the filler. If the content of the mica exceeds 20% by weight, the performance is improved, but the workability is poor, and if the content of the mica is less than 1% by weight, the performance improvement effect may be weak.
상기 세피올라이트는 점성 개선, 재료분리 저항성 및 내수성을 개선하기 위하여 사용한다. 상기 세피올라이트는 상기 충전재에 대하여 1∼10 중량% 함유되는 것이 바람직하다. 상기 세피올라이트의 함량이 10 중량%를 초과하면 성능은 개선되나 작업성이 떨어지고, 상기 세피올라이트의 함량이 1 중량% 미만이면 성능 개선효과가 미약할 수 있다.The sepiolite is used to improve viscosity, improve material separation resistance and water resistance. The sepiolite is preferably contained in 1 to 10% by weight relative to the filler. If the content of the sepiolite exceeds 10% by weight, the performance is improved, but the workability is poor, and if the content of the sepiolite is less than 1% by weight, the performance improvement effect may be weak.
상기 충전재는 강도 및 내마모성을 개선하기 위하여 충전재에 대하여 파인세라믹을 0.01∼10 중량%를 더 포함할 수 있다. 상기 파인세라믹의 함량이 10 중량%를 초과하면 반응성이 촉진되어 작업성이 저하되고, 상기 파인세라믹의 함량이 0.01 중량% 미만이면 반응성이 저하되어 성능개선효과가 미흡하게 된다.The filler may further include 0.01 to 10% by weight of fine ceramics relative to the filler to improve strength and wear resistance. When the content of the fine ceramic exceeds 10% by weight, reactivity is promoted to reduce workability, and when the content of the fine ceramic is less than 0.01% by weight, reactivity decreases, resulting in insufficient performance improvement effect.
본 발명의 제2 실시형태는 바람직한 실시예에 따른 가로수 식목보호 블록용 조성물의 제조방법을 제시한다.The second embodiment of the present invention provides a method for preparing a composition for a tree planting protection block according to a preferred embodiment.
본 발명에 따른 가로수 식목보호 블록용 조성물은 상기 충전재 5∼80 중량%를 100℃이상으로 유지하며 강제식 믹서 또는 연속식 믹서를 이용하여 소정시간(예컨대, 1∼5분간)동안 건비빔하고, 상기 개질 결합재 20∼95 중량%를 온도 100∼160℃로 용융하여 상기 건비빔된 충전재를 혼합하여 반응조에서 소정시간 (예컨대, 1∼10분간)동안 교반함으로써 제조된다. The composition for a tree planting protection block according to the present invention maintains 5 to 80% by weight of the filler at 100 ° C. or more, and dry it for a predetermined time (for example, 1 to 5 minutes) using a forced mixer or a continuous mixer, It is prepared by melting 20-95% by weight of the modified binder at a temperature of 100-160 ° C, mixing the dry-filled filler and stirring in a reaction tank for a predetermined time (for example, 1-10 minutes).
본 발명의 제3 실시형태는 상술한 가로수 식목보호 블록용 조성물을 이용하여 제조된 가로수 식목보호 블록을 제공한다. The third embodiment of the present invention provides a tree planting protection block manufactured using the above-mentioned composition for a tree planting protection block.
본 발명에 따른 가로수 식목보호 블록용 조성물은, 상부는 직선이고 하부는 뿌리줄기 수용부(13)를 가지며, 길이방향 일측 단부의 일부가 상부로부터 폭방향 절반까지 절개되어 있는 상부 절개부(11), 상기 상부 절개부(11) 아래에는 폭방향 절반부터 하부까지 형성되어 있는 하부 돌출부(12), 길이방향 타측 단부의 일부가 상부로부터 폭방향 절반까지 형성되어 있는 상부 돌출부(14), 및 길이방향 타측 단부의 일부가 폭방향 절반부터 하부까지 절개되어 있는 하부 절개부(15)를 갖는 블록단편(10) 4개로 이루어지며, 한 블록단편(10)의 상부 돌출부(14)가 또 다른 블록단편(10)의 상부 절개부(11)의 측면에서 계합되고, 나머지 2개의 블록단편(10)도 동일한 방식으로 계합되어 구성된다. The composition for a tree planting protection block according to the present invention, the upper portion is a straight portion, the lower portion has a root
도 2 내지 도 7에 도시한 바와 같이, 상기 뿌리줄기 수용부(13)는 뿌리줄기 형상에 따라 뿌리줄기를 적절히 수용할 수 있도록 아치형, 이중 아치형 또는 이중 사다리형을 갖는다.2 to 7, the
본 발명의 가로수 식목보호 블록은 하나의 성형틀에서 블록단편(10)을 제조하면 되므로 생산비용이 적게 들고, 작업현장에서 조립시공이 가능하므로 가로수의 뿌리줄기를 모양에 따라 시공이 가능하고 뿌리 생육이 가능한 공간을 형성하여 뿌리 생육에 도움을 줄 수 있다.The tree planting protection block of the present invention requires less production cost by manufacturing the
이하에서, 본 발명에 따른 가로수 식목보호 블록용 조성물의 제조에 대한 실시예들을 통해 본 발명을 더욱 상세히 설명한다. Hereinafter, the present invention will be described in more detail through examples for preparing a composition for a tree planting protection block according to the present invention.
<실시예 1><Example 1>
중질탄산칼슘 60 kg, 이산화 규소 15 kg, 알런덤 5 kg, 카보런덤 5 kg, 운모 5 kg, 세피올라이트 5 kg 및 파인세라믹 5 kg을 혼합하여 충전재 100 kg을 얻었다. 100 kg of filler was obtained by mixing 60 kg of heavy calcium carbonate, 15 kg of silicon dioxide, 5 kg of almondum, 5 kg of carborundum, 5 kg of mica, 5 kg of sepiolite and 5 kg of fine ceramic.
이와는 별도로, 재생 폴리에스터수지 94 kg, 염화비닐-초산비닐공중합체 1 kg, 폴리비닐부틸알 1 kg, 폴리염화비닐리덴 1 kg, 폴리비닐포르말 1 kg, 폴리에틸렌옥사이드 1 kg 및 에틸렌트리메톡시실란 1 kg를 혼합하여 개질 결합재 100 kg을 얻었다. Separately, 94 kg of recycled polyester resin, 1 kg of vinyl chloride-vinyl acetate copolymer, 1 kg of polyvinylbutylal, 1 kg of polyvinylidene chloride, 1 kg of polyvinyl formal, 1 kg of polyethylene oxide and ethylene trimethoxy 1 kg of silane was mixed to obtain 100 kg of modified binder.
상기에서 얻어진 충전재 30 kg를 100℃이상으로 유지하며 강제식 믹서 또는 연속식 믹서를 이용하여 2분간 건비빔하고, 상기에서 얻어진 개질 결합재 70 kg을 온도 100∼160℃로 용융하여 상기 건비빔된 충전재를 혼합하여 반응조에서 소정시간 3분간 교반하여 가로수 식목보호 블록용 조성물 100 kg을 제조하였다.30 kg of the filler obtained above is maintained at 100 ° C. or higher and dry for 2 minutes using a forced mixer or a continuous mixer, and 70 kg of the modified binder obtained above is melted at a temperature of 100 to 160 ° C. to dry the filler. The mixture was stirred for 3 minutes for a predetermined time in a reaction tank to prepare 100 kg of a tree planting block composition.
<실시예 2><Example 2>
중질탄산칼슘 55 kg, 이산화 규소 20 kg, 알런덤 5 kg, 카보런덤 5 kg, 운모 5 kg, 세피올라이트 5 kg 및 파인세라믹 5 kg를 혼합하여 충전재 100 kg을 얻었다. 55 kg of heavy calcium carbonate, 20 kg of silicon dioxide, 5 kg of almondum, 5 kg of carborundum, 5 kg of mica, 5 kg of sepiolite and 5 kg of fine ceramic were obtained to obtain 100 kg of filler.
이와는 별도로, 재생 폴리에스터수지 88 kg, 염화비닐-초산비닐공중합체 2 kg, 폴리비닐부틸알 2 kg, 폴리염화비닐리덴 2 kg, 폴리비닐포르말 2 kg, 폴리에틸렌옥사이드 2 kg 및 에틸렌트리메톡시실란 2 kg를 혼합하여 개질 결합재 100 kg을 얻었다. Separately, 88 kg of recycled polyester resin, 2 kg of vinyl chloride-vinyl acetate copolymer, 2 kg of polyvinylbutylal, 2 kg of polyvinylidene chloride, 2 kg of polyvinyl formal, 2 kg of polyethylene oxide and ethylene trimethoxy 2 kg of silane was mixed to obtain 100 kg of modified binder.
상기에서 얻어진 충전재 30 kg를 100℃이상으로 유지하며 강제식 믹서 또는 연속식 믹서를 이용하여 2분간 건비빔하고, 상기에서 얻어진 개질 결합재 70 kg을 온도 100∼160℃로 용융하여 상기 건비빔된 충전재를 혼합하여 반응조에서 소정시간 3분간 교반하여 가로수 식목보호 블록용 조성물 100 kg을 제조하였다.30 kg of the filler obtained above is maintained at 100 ° C. or higher and dry for 2 minutes using a forced mixer or a continuous mixer, and 70 kg of the modified binder obtained above is melted at a temperature of 100 to 160 ° C. to dry the filler. The mixture was stirred for 3 minutes for a predetermined time in a reaction tank to prepare 100 kg of a tree planting block composition.
<실시예 3><Example 3>
중질탄산칼슘 57 kg, 이산화 규소 18 kg, 알런덤 5 kg, 카보런덤 5 kg, 운모 5 kg, 세피올라이트 5 kg 및 파인세라믹 5 kg를 혼합하여 충전재 100 kg을 얻었다. 57 kg of heavy calcium carbonate, 18 kg of silicon dioxide, 5 kg of almondum, 5 kg of carborundum, 5 kg of mica, 5 kg of sepiolite and 5 kg of fine ceramic were mixed to obtain 100 kg of filler.
이와는 별도로, 재생 폴리에스터수지 82 kg, 염화비닐-초산비닐공중합체 3 kg, 폴리비닐부틸알 3 kg, 폴리염화비닐리덴 3 kg, 폴리비닐포르말 3 kg, 폴리에틸렌옥사이드 3 kg 및 에틸렌트리메톡시실란 3 kg를 혼합하여 개질 결합재 100 kg을 얻었다. Separately, 82 kg of recycled polyester resin, 3 kg of vinyl chloride-vinyl acetate copolymer, 3 kg of polyvinylbutylal, 3 kg of polyvinylidene chloride, 3 kg of polyvinyl formal, 3 kg of polyethylene oxide and ethylene trimethoxy 3 kg of silane was mixed to obtain 100 kg of modified binder.
상기에서 얻어진 충전재 30 kg를 100℃이상으로 유지하며 강제식 믹서 또는 연속식 믹서를 이용하여 2분간 건비빔하고, 상기에서 얻어진 개질 결합재 70 kg를 온도 100∼160℃로 용융하여 상기 건비빔된 충전재를 혼합하여 반응조에서 소정시간 3분간 교반하여 가로수 식목보호 블록용 조성물 100 kg을 제조하였다.30 kg of the filler obtained above is maintained at 100 ° C. or higher and dry for 2 minutes using a forced mixer or a continuous mixer, and 70 kg of the modified binder obtained above is melted at a temperature of 100 to 160 ° C. The mixture was stirred for 3 minutes for a predetermined time in a reaction tank to prepare 100 kg of a tree planting block composition.
상기의 실시예 1 내지 실시예 3의 특성을 보다 용이하게 파악할 수 있도록 본 발명의 실시예들과 비교할 수 있는 비교예를 제시한다. In order to more easily grasp the characteristics of Examples 1 to 3 above, comparative examples that can be compared with the examples of the present invention are presented.
<비교예 1><Comparative Example 1>
재생폴리에스터수지 70 kg를 온도 100∼160℃로 용융하여 상기 중질탄산칼슘 30 kg를 혼합하여 반응조에서 소정시간 3분간 교반하여 조성물을 제조하였다.70 kg of recycled polyester resin was melted at a temperature of 100 to 160 ° C., and 30 kg of the heavy calcium carbonate was mixed and stirred in a reaction tank for 3 minutes to prepare a composition.
아래의 시험예들은 본 발명에 따른 실시예 1 내지 실시예 3의 특성을 보다 용이하게 파악할 수 있도록 본 발명에 따른 실시예들과 비교예 1의 특성을 비교한 실험결과들을 나타낸 것이다.The following test examples show experimental results comparing characteristics of Examples 1 and 3 according to the present invention so that characteristics of Examples 1 to 3 according to the present invention can be more easily grasped.
<시험예 1><Test Example 1>
(휨, 압축, 인장강도 실험)(Experiment of bending, compression, and tensile strength)
본 발명의 실시예 1 내지 실시예 3에 따라 제조된 가로수 식목보호 블록용 조성물과 비교예 1에서 제조한 조성물의 물리적 특성을 비교하기 위하여, 상기에서 설명한 실시예 1 내지 실시예 3의 가로수 식목보호 블록용 조성물과 비교예 1 에 의하여 제조된 조성물을 KS F 2481(폴리에스테르 레진 콘크리트의 압축강도 시험방법)에 의한 압축강도 시험을 수행하였고, 그 결과를 하기 표 1에 나타내었다. 또한, KS F 2482(폴리에스테르 레진 콘크리트의 휨강도 시험방법)에 의하여 휨강도 시험을 수행하였고, ASTM D 638에 의하여 아령 모양의 공시체의 인장강도를 측정하여 각각의 결과를 하기 표 1에 나타내었다.In order to compare the physical properties of the composition for a tree planting protection block prepared according to Examples 1 to 3 of the present invention with the composition prepared in Comparative Example 1, the tree planting protection for trees of Examples 1 to 3 described above The composition for the block and the composition prepared according to Comparative Example 1 were tested for compressive strength by KS F 2481 (Compression Strength Test Method for Polyester Resin Concrete), and the results are shown in Table 1 below. In addition, the flexural strength test was performed by KS F 2482 (Test method for flexural strength of polyester resin concrete), and the tensile strength of a dumbbell-shaped specimen was measured by ASTM D 638, and the respective results are shown in Table 1 below.
강도
(MPa)
burglar
(MPa)
상기 표 1에 나타난 바와 같이, 본 발명에 따라 실시예 1, 실시예 2 및 실시예 3에서 제조된 가로수 식목보호 블록용 조성물의 휨, 압축 및 인장 강도는 비교예 1에 비해 높게 나타났다. As shown in Table 1, the flexural, compressive, and tensile strengths of the compositions for roadside tree protection blocks prepared in Examples 1, 2, and 3 according to the present invention were higher than those in Comparative Example 1.
<시험예 2> <Test Example 2>
(흡수율 실험)(Absorption rate experiment)
실시예 1 내지 실시예 3에 따라 제조된 가로수 식목보호 블록용 조성물과 비교예 1에 의하여 제조된 조성물을 KS F 에 규정한 방법에 따라 흡수율의 측정 결과를 표 2에 나타내었다. Table 2 shows the results of measuring the absorption rate according to the method defined in KS F for the composition for street trees planting protection blocks prepared according to Examples 1 to 3 and the composition prepared according to Comparative Example 1.
위의 표 2에 나타난 바와 같이, 실시예 1 내지 3은 비교예 1에 비하여 흡수율이 낮으므로, 내수성이 우수하다고 할 수 있다.As shown in Table 2 above, Examples 1 to 3 have lower water absorption than Comparative Example 1, and thus can be said to have excellent water resistance.
<시험예 3><Test Example 3>
(염화물 이온침투 깊이 실험)(Chlorine ion penetration depth experiment)
실시예 1 내지 실시예 3에 따라 제조된 가로수 식목보호 블록용 조성물과 비교예 1에 따라 제조된 조성물을 KS F 4042에 의한 시험을 수행하였고, 그 결과를 하기 표 3에 나타내었다.The compositions for street trees planting protection blocks prepared according to Examples 1 to 3 and the compositions prepared according to Comparative Example 1 were tested by KS F 4042, and the results are shown in Table 3 below.
위의 표 3에서와 같이, 실시예 1 내지 실시예 3에 따라 제조된 가로수 식목보호 블록용 조성물이 비교예 1에 따라 제조된 조성물 비하여 염화물 이온 침투 저항성이 낮게 나타나 염해에 대한 저항성이 높음을 확인할 수 있었다. As shown in Table 3 above, the composition for street trees planting protection blocks prepared according to Examples 1 to 3 showed lower chloride ion penetration resistance than the compositions prepared according to Comparative Example 1, confirming that the resistance to salt damage was high. Could.
<시험예 4> <Test Example 4>
(내약품성 실험)(Experiment for chemical resistance)
실시예 1 내지 실시예 3에 따라 제조된 가로수 식목보호 블록용 조성물과 비교예 1에 따라 제조된 조성물을 일본 공업 규격 원안 [콘크리트의 용액침적에 의한 내약품성 시험 방법]에 준하여 2% 염산, 5% 황산 및 45% 수산화 나트륨의 수용액을 시험 용액으로 28일 공시체를 침적하여 내약품성 시험의 측정결과를 아래의 표 4에 나타내었다. 2% hydrochloric acid, 5 in accordance with the Japanese Industrial Standards original method [chemical resistance test by solution deposition of concrete] of the composition for roadside planting protection blocks prepared according to Examples 1 to 3 and the composition prepared according to Comparative Example 1 Table 4 below shows the measurement results of the chemical resistance test by immersing the specimen on the 28th with an aqueous solution of% sulfuric acid and 45% sodium hydroxide.
(%)Weight change rate
(%)
위의 표 4에서와 같이, 실시예 1 내지 실시예 3에 따라 제조된 가로수 식목보호 블록용 조성물이 비교예 1에 비하여 내약품성에 대한 중량변화율이 적게 나타나 내약품성에 대한 저항성이 높음을 확인할 수 있었다. As shown in Table 4 above, the composition for roadside tree planting protection blocks prepared according to Examples 1 to 3 showed less weight change rate for chemical resistance than Comparative Example 1, confirming that the resistance to chemical resistance was high. there was.
<시험예 5><Test Example 5>
(취성 실험)(Brittle experiment)
실시예 1 내지 실시예 3에 따라 제조된 가로수 식목보호 블록용 조성물과 비교예 1에 따라 제조된 조성물을 취성(충격에 의한 표면 깨짐)은 3×3×3㎝의 몰드에 상기 제조한 조성물을 주입하여 경화시킨 후 24시간 동안 항온항습실(20±2℃, 상대습도 65±5%(RH))에서 양생하여 측정한 결과를 아래의 표 5에 나타내었다. Brittleness of the composition for a tree planting protection block prepared according to Examples 1 to 3 and a composition prepared according to Comparative Example 1 (surface breakage due to impact) was performed on the 3 × 3 × 3 cm mold. After curing by injection and curing for 24 hours in a constant temperature and humidity chamber (20 ± 2 ℃, relative humidity 65 ± 5% (RH)), the results are shown in Table 5 below.
위의 표 5에서와 같이, 실시예 1 내지 실시예 3에 따라 제조된 가로수 식목보호 블록용 조성물은 표면 깨짐현상이 나타나지 않았으나, 비교예 1에서는 깨짐현상이 발생하였다.As shown in Table 5 above, the composition for roadside planting protection blocks prepared according to Examples 1 to 3 did not exhibit surface cracking, but in Comparative Example 1, cracking occurred.
이상, 본 발명의 바람직한 실시예를 들어 상세하게 설명하였으나, 본 발명은 상기 실시예에 한정되는 것은 아니며, 본 발명의 기술적 사상의 범위내에서 당 분야에서 통상의 지식을 가진 자에 의하여 여러 가지 변형이 가능하다.As described above, the preferred embodiment of the present invention has been described in detail, but the present invention is not limited to the above embodiment, and various modifications by a person having ordinary skill in the art within the scope of the technical spirit of the present invention. This is possible.
10 : 블록단편
11 : 상부 절개부
12 : 하부 돌출부
13 : 뿌리줄기 수용부
14 : 상부 돌출부
15 : 하부 절개부10: block short
11: upper incision
12: lower protrusion
13: root stem receiving part
14: upper protrusion
15: lower incision
Claims (8)
상기 충전재는 충전재의 총 100 중량%를 기준으로 중질탄산칼슘 25∼91 중량%, 이산화 규소 5∼30 중량%, 알런덤 1∼20 중량%, 카보런덤 1∼20 중량%, 운모 1∼20 중량%, 및 세피올라이트 1∼10 중량%를 포함하는 가로수 식목보호 블록용 조성물.5 to 80% by weight of filler and 20 to 95% by weight of modified binder, wherein the modified binder is 25 to 96% by weight of recycled polyester resin, based on 100% by weight of the modified binder, vinyl chloride-vinyl acetate 1-25% by weight of the coalescence, 1-20% by weight of polyvinylbutylal, 1-20% by weight of polyvinylidene chloride, and 1-20% by weight of polyvinyl formal, and
The filler is 25 to 91% by weight of heavy calcium carbonate, 5 to 30% by weight of silicon dioxide, 1 to 20% by weight of arandom, 1 to 20% by weight of carborundum, 1 to 20% by weight of mica, based on 100% by weight of the total of fillers %, And sepiolite 1 to 10% by weight of a tree planting block composition comprising.
상기 뿌리줄기 수용부(13)가 뿌리줄기 형상에 따라 뿌리줄기를 적절히 수용할 수 있도록 아치형, 이중 아치형 또는 이중 사다리형을 갖는 것을 특징으로 하는 가로수 식목보호 블록.The upper part is straight and the lower part has a root stem receiving part 13, and an upper incision part 11 in which a part of one end portion in the longitudinal direction is cut from the upper part to a half in the width direction, and a width direction under the upper incision part 11 The lower protrusion 12 formed from half to the lower part, the upper protrusion 14 formed by a part of the other end in the longitudinal direction from the top to the width half, and a part of the other end in the longitudinal direction incision from the half in the width direction to the lower part It consists of four block fragments 10 having a lower incision 15, and the upper projection 14 of one block fragment 10 is from the side of the upper incision 11 of another block fragment 10. In the tree planting protection block which is engaged, the other two block fragments 10 are also constructed by being engaged in the same manner;
A tree planting protection block, characterized in that the rootstock receiving portion (13) has an arcuate shape, a double arched shape, or a double ladder shape so as to properly accommodate the rootstock according to the shape of the rootstock.
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Citations (4)
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|---|---|---|---|---|
| JP2001277406A (en) * | 2000-04-03 | 2001-10-09 | Dainippon Printing Co Ltd | Heat insulating sheet for interior and exterior finish, method of manufacturing the same and heat insulating building member |
| KR20030039442A (en) * | 2001-11-13 | 2003-05-22 | 강재신 | Plate for protecting street trees |
| KR100686187B1 (en) * | 2006-04-10 | 2007-02-26 | 김정회 | Prefabricate type flowerpot block for landscape architecture |
| KR101885608B1 (en) * | 2018-02-08 | 2018-09-06 | 주식회사 홍서이엔씨 | Composition of cold-setting crack injection materials for repairing crack in structure and method for repairing crack in structure therewith |
-
2018
- 2018-11-05 KR KR1020180134151A patent/KR102089580B1/en active IP Right Grant
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001277406A (en) * | 2000-04-03 | 2001-10-09 | Dainippon Printing Co Ltd | Heat insulating sheet for interior and exterior finish, method of manufacturing the same and heat insulating building member |
| KR20030039442A (en) * | 2001-11-13 | 2003-05-22 | 강재신 | Plate for protecting street trees |
| KR100686187B1 (en) * | 2006-04-10 | 2007-02-26 | 김정회 | Prefabricate type flowerpot block for landscape architecture |
| KR101885608B1 (en) * | 2018-02-08 | 2018-09-06 | 주식회사 홍서이엔씨 | Composition of cold-setting crack injection materials for repairing crack in structure and method for repairing crack in structure therewith |
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