WO2014038848A1 - 목재 플라스틱 복합재를 이용한 화물 받침대 - Google Patents

목재 플라스틱 복합재를 이용한 화물 받침대 Download PDF

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Publication number
WO2014038848A1
WO2014038848A1 PCT/KR2013/007981 KR2013007981W WO2014038848A1 WO 2014038848 A1 WO2014038848 A1 WO 2014038848A1 KR 2013007981 W KR2013007981 W KR 2013007981W WO 2014038848 A1 WO2014038848 A1 WO 2014038848A1
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WIPO (PCT)
Prior art keywords
wood
plastic composite
cargo
weight
fiber
Prior art date
Application number
PCT/KR2013/007981
Other languages
English (en)
French (fr)
Inventor
정재열
Original Assignee
주식회사 엘지하우시스
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Filing date
Publication date
Application filed by 주식회사 엘지하우시스 filed Critical 주식회사 엘지하우시스
Priority to CN201380045154.6A priority Critical patent/CN104583085A/zh
Priority to US14/423,663 priority patent/US9334083B2/en
Priority to JP2015529695A priority patent/JP2015536837A/ja
Publication of WO2014038848A1 publication Critical patent/WO2014038848A1/ko

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00368—Overall construction of the non-integral separating spacer
    • B65D2519/00378—Overall construction of the non-integral separating spacer whereby at least one spacer is made of two or more pieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00736—Details
    • B65D2519/00776—Accessories for manipulating the pallet
    • B65D2519/00796—Guiding means for fork-lift

Definitions

  • the present invention relates to a cargo base, and more particularly, to a cargo base using a wood-plastic composite material that can realize a high strength by forming and manufacturing a cargo transport base with wood chips instead of wood flour.
  • a cargo hold for carrying cargo in a constant loading unit.
  • the cargo base is formed with a panel having a rectangular shape in which cargo is loaded, and an insertion hole is formed in each of the left and right or front and rear directions of the panel so that the fork of the forklift can be inserted therein.
  • Cargo base of this structure is to load the cargo on the top of the panel and then to fork the fork of the fork to one side insertion port to lift and carry the panel, it is still widely used for carrying a relatively bulky and heavy cargo.
  • Such a conventional cargo base is made of plastic or waste wood as main material.
  • the present invention has been made to solve the above-described problems, in the production of a wooden pallet for carrying a freight transport using a wood chip instead of wood powder in the production of high strength can be achieved, the same strength is produced when required It is an object of the present invention to provide a cargo stand using wood-plastic composite material, which can reduce the thickness of the cargo stand, thereby giving an advantage in manufacturing price competitiveness.
  • a lower panel 120 coupled to the upper panel 110 via a plurality of spacers 121 so as to be spaced apart from the ground by a predetermined height;
  • a plurality of insertion holes 123 are provided to couple the spacers 121 to be spaced apart at regular intervals in the horizontal direction so that the forks may be correspondingly inserted therebetween.
  • the upper panel 110 and the lower panel 120 are identical to the upper panel 110 and the lower panel 120, respectively.
  • the wood-plastic composite material is a mixture consisting of 10 to 90 parts by weight of wood chips, 10 to 50 parts by weight of a polymer resin (optionally any one or a plurality of PPC, PCE, PCC, APS, PS, PC, PPM) It is characterized in that the molded and manufactured using (Compounds).
  • the mixture may further include long fibers.
  • the mixture 0.1 to 50 parts by weight of a compatibilizer, 1 to 50 parts by weight of filler, 0.1 to 30 parts by weight of antioxidant, 0.1 to 30 parts by weight of lubricant, 0.1 to 30 parts by weight of the pigment is optionally characterized in that it comprises an additive do.
  • the long fiber is characterized in that the cut to form a length of 0.3 ⁇ 18cm.
  • the mixture is characterized in that it optionally comprises any one or a plurality of recycled paper, recycled resin, recycled wood materials.
  • the present invention in the production of the cargo transport base using a wood-plastic composite material can be implemented by molding the production using wood chips, not wood powder, high strength.
  • wood chips not wood powder, high strength.
  • FIG. 1 is a perspective view showing the appearance of a cargo support using a wood-plastic composite according to the present invention.
  • FIG. 1 is a perspective view showing the appearance of a cargo support using a wood-plastic composite according to the present invention.
  • the cargo base 100 using a wood-plastic composite material is loaded cargo;
  • a lower panel 120 coupled to the upper panel 110 via a plurality of spacers 121 so as to be spaced apart from the ground by a predetermined height;
  • a plurality of insertion holes 123 are provided to couple the spacers 121 at a predetermined interval in the horizontal direction so that the forks are respectively inserted therebetween, and the upper panel 110 and the lower panel 120 are It is characterized by using a wood-plastic composite manufactured using wood chips as the main raw material.
  • the wood-plastic composite material is 10 to 90 parts by weight of a wood chip, a polymer resin (optionally selected from any one or a plurality of PCs, PET, PCC, APS, PS, PC, PMA) 10 to 50 It can be molded and manufactured using the compound (Compounds) including the parts by weight.
  • the neck chip into a length of 0.3 to 18 cm.
  • the length of the wood chip is cut to 0.3 cm or less, it is difficult to expect improvement of physical properties such as compression and impact strength because there is no difference from the case of using wood powder as the main raw material.
  • the length of the wood chips is cut to 18 cm or more, it is difficult to proceed with the mixing and molding process of the wood chips and the polymer resin.
  • a cut formed to a length of 3 ⁇ 8cm it is preferable to use a cut formed to a length of 3 ⁇ 8cm, while excellent physical properties such as compression and impact strength within the above range, while mixing and molding between other materials is the easiest.
  • the mixture may further include 10 to 90 parts by weight of long fibers.
  • the total weight of the wood chips and long fibers in the mixture may be 10 to 90 parts by weight. More preferably, the total weight of the wood chips and long fibers is preferably included in an amount of 50 to 90 parts by weight.
  • the long fiber is preferably such as corn fiber, coconut fiber, palm fiber, reed, bamboo, rice straw, cotton, hemp, wool, silk (silk) including natural fiber, glass fiber, carbon fiber, nylon reinforcement It may optionally include any one or a plurality of polymer fibers and steel wire (steel wire).
  • the long fibers are preferably cut to a length of 0.3 to 18 cm. That is, when the long fiber is formed to a length of 0.5 cm or less, there is no difference compared to the case of using the conventional wood powder, it is difficult to expect the improvement of physical properties such as compression and impact strength. On the contrary, when the length of the wood chips is cut to 18 cm or more, it is difficult to proceed with the mixing and molding process of the wood chips and the polymer resin raw material. In the case of molding while being arranged in parallel in the longitudinal direction of the composite material can be molded without limitation even if the length in the above range.
  • the moisture content of wood chips and long fibers is dried to 5 to 15% by weight.
  • smooth mixing with other raw materials is possible without adding a separate binder. Will be done.
  • the water content is more than 15% by weight, as the water evaporates in the wood chips during the manufacture of the wood-plastic composite material, bubbles are generated, thereby weakening the bonding force when blending. Accordingly, there is a problem that a defective product is generated.
  • the mixture may also optionally include additives.
  • additives may include 0.1 to 50 parts by weight of a compatibilizer, 0.1 to 50 parts by weight of filler, 0.1 to 30 parts by weight of antioxidant, 0.1 to 30 parts by weight of lubricant, and 0.1 to 30 parts by weight of pigment. have.
  • the mixture may be made by selectively containing any one or a plurality of recycled paper, recycled resin, recycled wood materials.
  • the mixture for manufacturing the wood plastic composite having such a configuration may be made of wood plastic composite through any one of extrusion, injection or press molding, and the plastic composite may be manufactured by the upper panel 110 and the lower panel. 120 and spacer 121 are each formed after the cargo pedestal 100.
  • Cargo pedestal using the wood-plastic composite material according to the present invention having the above-described configuration, in the production using the wood-plastic composite material can be implemented by molding using wood chips instead of wood powder to achieve high strength.
  • wood chips instead of wood powder to achieve high strength.
  • reinforced polymer fibers such as natural long fibers and glass fibers, carbon fibers, nylon in some cases.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Pallets (AREA)

Abstract

본 발명은 화물 운반용 받침대를 목재 플라스틱 복합재를 이용하여 제작함에 있어 주원료를 목분 대신 목칩을 이용하여 성형 제조함으로써 높은 강도를 구현할 수 있으며, 요구되는 동일 강도 시 제작되는 화물 받침대의 두께를 줄일 수 있음으로써 요구되는 물성 성능 및 외관에서 우위를 확보할 수 있도록 한 목재 플라스틱 복합재를 이용한 화물 받침대에 관한 것이다. 이를 실현하기 위한 본 발명은, 화물이 적재되는 상부판넬(110); 및 상기 상부판넬(110)을 지면으로부터 소정 높이 이격시킬 수 있도록 복수의 스페이서(121)를 매개로 결합되되, 상기 스페이서(121)를 수평방향으로 일정간격 이격되게 결합시켜 그 사이에 포크가 각각 대응 삽입될 수 있도록 복수의 삽입구(123)를 마련해주는 하부판넬(120);을 포함하되, 상기 상부판넬(110) 및 하부판넬(120)은, 목칩을 주원료로 사용하여 제조된 목재 플라스틱 복합재를 이용한 것을 특징으로 한다.

Description

목재 플라스틱 복합재를 이용한 화물 받침대
본 발명은 화물 받침대에 관한 것으로, 보다 상세하게는 화물 운반용 받침대를 목분(Wood flour) 대신 목칩(Wood chip)으로 성형 제조함으로써 높은 강도를 구현할 수 있는 목재 플라스틱 복합재를 이용한 화물 받침대에 관한 것이다.
일반적으로, 화물 받침대는 화물을 일정한 적재 단위로 하여 운반하기 위해 제공된다. 화물 받침대는 화물이 적재되는 사각 형상의 패널이 형성되고, 지게차의 포크(fork)가 삽입될 수 있도록 패널의 좌우방향 혹은 전후방향으로 각각 삽입구가 형성된다. 이러한 구조의 화물 받침대는 패널 상부에 화물을 적재한 다음 지게의 포크를 일측 삽입구에 꽂은 후 패널을 들어올려 운반할 수 있도록 되어 있으며, 현재에도 비교적 부피가 크고 중량이 무거운 화물 운반용으로 널리 사용되고 있다.
이와 같은 종래의 화물 받침대는 소재로 플라스틱 또는 폐목재가 주류를 이루고 있다.
그러나 상기 화물 받침대는 폐목재를 이용하여 제작하는 경우 중량이 무거운 화물을 운반하는 경우 쉽게 부서지는 등의 문제점이 있다.
또한 화물 받침대를 플라스틱을 이용하여 제조하는 경우 구매처에서 요구하는 다양한 규격 대응을 충실히 대응할 수 없는 단점을 지니고 있다.
본 발명은 상술한 문제점을 해결하고자 안출된 것으로, 화물 운반용 받침대를 목재 플라스틱 복합재를 이용하여 제작함에 있어 목분이 아닌 목칩을 이용하여 성형 제조함으로써 높은 강도를 구현할 수 있으며, 요구되는 동일 강도 시 제작되는 화물 받침대의 두께를 줄일 수 있음으로써 제조 가격 경쟁력에서 우위를 확보할 수 있도록 한 목재 플라스틱 복합재를 이용한 화물 받침대를 제공하는데 그 목적이 있다.
상술한 바와 같은 목적을 구현하기 위한 본 발명의 목재 플라스틱 복합재를 이용한 화물 받침대는,
화물이 적재되는 상부판넬(110);
상기 상부판넬(110)을 지면으로부터 소정 높이 이격시킬 수 있도록 복수의 스페이서(121)를 매개로 결합되는 하부판넬(120); 및
상기 스페이서(121)를 수평방향으로 일정간격 이격되게 결합시켜 그 사이에 포크가 각각 대응 삽입될 수 있도록 복수의 삽입구(123)가 마련되고,
상기 상부판넬(110) 및 하부판넬(120)은,
목칩을 주원료로 사용하여 제조된 목재 플라스틱 복합재를 이용한 것을 특징으로 하는 목재 플라스틱 복합재를 이용한 것을 특징으로 한다.
이 경우 상기 목재 플라스틱 복합재는, 목칩 10 ~ 90 중량부, 고분자 수지(ＰＰ, ＰＥ, ＰＶＣ, ＡＢＳ, ＰＳ, ＰＣ, ＰＭＭＡ 중 어느 하나 또는 복수 개를 선택적으로) 10 ~ 50 중량부를 포함하여 이루어진 혼합물(Compounds)을 이용하여 성형제조된 것을 특징으로 한다.
또한 상기 혼합물은, 장섬유를 더 포함할 수 있다.
또한 상기 혼합물은, 상용화제 0.1 ~ 50 중량부, 충진제 1 ~ 50 중량부, 산화방지제 0.1 ~ 30 중량부, 윤활제 0.1 ~ 30 중량부, 안료 0.1 ~ 30 중량부의 첨가제를 선택적으로 포함하는 것을 특징으로 한다.
또한 상기 목칩은, 0.3 ~ 18㎝의 길이로 절단 형성되는 것을 특징으로 한다.
또한 상기 장섬유는, 옥수수 섬유, 코코넛 섬유, 야자수 섬유, 갈대, 대나무, 볏짚, 면, 마, 모, 견(Silk)을 포함한 천연섬유, 유리섬유, 탄소섬유, 나일론 등의 강화 고분자 섬유 및 스틸 와이어(steel wire)중 어느 하나 또는 복수 개를 선택적으로 포함하는 것을 특징으로 한다.
또한 상기 장섬유는, 0.3 ~ 18㎝의 길이로 절단 형성된 것을 특징으로 한다.
또한 상기 혼합물은, 재활용 원료인 재생용지, 재생수지, 재활용 목질류 중 어느 하나 또는 복수를 선택적으로 포함하는 것을 특징으로 한다.
또한 상기 혼합물은, 압출, 사출 또는 프레스 성형 중 어느 하나를 통해 목재 플라스틱 복합재로 제조되는 것을 특징으로 한다.
이상과 같은 구성에 따른 본 발명은, 화물 운반용 받침대를 목재 플라스틱 복합재를 이용하여 제작함에 있어 목분이 아닌 목칩을 이용하여 성형 제조함으로써 높은 강도를 구현할 수 있다. 즉 요구되는 동일 강도 시 목분에 비해 목칩을 이용하는 경우가 제작되는 화물 받침대의 두께를 줄일 수 있음으로써 제조 가격 경쟁력에서 우위를 확보할 수 있다.
또한 경우에 따라 천연 장섬유 및/또는 유리섬유, 탄소섬유, 나일론 등의 강화섬유를 포함해줌으로써 고강도를 극대화시킬 수 있다.
아울러 환경 친화적 제품에 대한 접근으로 재생용지, 재생수지, 재생목질류 등을 선택적으로 사용해줌으로써 재활용이 가능하며, 이에 따라 환경오염을 줄일 수 있는 장점이 있다.
도 1은 본 발명에 따른 목재 플라스틱 복합재를 이용한 화물 받침대의 외관을 보여주는 사시도이다.
<도면부호>
100 : 화물 받침대 110 : 상부판넬
120 : 하부판넬 121 : 스페이서
123 : 삽입구
이하 첨부한 도면을 참조하여 본 발명의 바람직한 실시예에 대한 구성 및 작용을 상세히 설명하면 다음과 같다.
도 1은 본 발명에 따른 목재 플라스틱 복합재를 이용한 화물 받침대의 외관을 보여주는 사시도이다.
도 1을 참조하면, 본 발명의 바람직한 일 실시예에 따른 목재 플라스틱 복합재를 이용한 화물 받침대(100)는, 화물이 적재되는 상부판넬(110); 상기 상부판넬(110)을 지면으로부터 소정 높이 이격시킬 수 있도록 복수의 스페이서(121)를 매개로 결합되는 하부판넬(120); 및 상기 스페이서(121)를 수평방향으로 일정간격 이격되게 결합시켜 그 사이에 포크가 각각 대응 삽입될 수 있도록 복수의 삽입구(123)가 마련되고, 상기 상부판넬(110) 및 하부판넬(120)은, 목칩을 주원료로 사용하여 제조된 목재 플라스틱 복합재를 이용한 것을 특징으로 한다.
여기서, 바람직하게는 상기 목재 플라스틱 복합재(ＷＰＣ)는, 목칩 10 ~ 90 중량부, 고분자 수지(ＰＰ, ＰＥ, ＰＶＣ, ＡＢＳ, ＰＳ, ＰＣ, ＰＭＭＡ 중 어느 하나 또는 복수 개를 선택적으로) 10 ~ 50 중량부를 포함하여 이루어진 혼합물(Compounds)을 이용하여 성형제조될 수 있다.
이 경우 상기 목칩은 0.3 ~ 18㎝의 길이로 절단 형성하는 것이 바람직하다. 즉 목재칩의 길이가 0.3㎝ 이하로 절단 형성될 경우에는 기존 목분을 주원료로 사용했을 경우와 별다른 차이점이 없어 압축 및 충격 강도 등 물리적 특성의 향상을 기대하기가 어렵다. 반대로 목재칩의 길이가 18㎝ 이상으로 절단 경우에는 목재칩과 고분자 수지와의 배합 및 성형 공정을 진행하는데 어려움이 따르게 된다.
더욱 바람직하게는 3 ~ 8cm의 길이로 절단 형성된 것을 사용하는 것이 바람직한 것으로, 상기 범위 내에서 압축 및 충격 강도 등의 물리적 특성 향상은 우수하면서도, 타재료 간의 배합 및 성형이 가장 용이하다.
아울러 상기 혼합물은 장섬유(Long fiber)를 10 ~ 90 중량부 더 포함할 수 있다. 또는 선택적으로 상기 혼합물에서 목칩과 장섬유의 합계 중량이 10 ~ 90 중량부가 되도록 포함할 수 있다. 더욱 바람직하게는 상기 목칩과 장섬유의 합계 중량이 50 내지 90 중량부가 되도록 포함하는 것이 바람직하다.
여기서, 바람직하게는 이와 같은 장섬유는 옥수수 섬유, 코코넛 섬유, 야자수 섬유, 갈대, 대나무, 볏짚, 면, 마, 모, 견(Silk)을 포함한 천연섬유, 유리섬유, 탄소섬유, 나일론 등의 강화 고분자 섬유 및 스틸 와이어(steel wire)중 어느 하나 또는 복수 개를 선택적으로 포함할 수 있다.
이 경우 장섬유는 0.3 ~ 18㎝의 길이로 절단 형성되는 것이 바람직하다. 즉 장섬유를 0.5㎝ 이하의 길이로 형성하는 경우에는 기존의 목분을 사용하는 경우와 비교하여 별다른 차이점이 없으며, 압축 및 충격 강도 등 물리적 특성의 향상을 기대하기가 어렵다. 반대로 목재칩의 길이가 18㎝ 이상으로 절단 경우에는 목재칩과 고분자 수지 원료와의 배합 및 성형 공정을 진행하는데 어려움이 따르게 된다.다만, 목재 플라스틱 복합재의 성형방법으로 압출성형시 장섬유를 목재 플라스틱 복합재 길이방향으로 평행하게 배열하면서 성형할 경우 상기 범위의 길이가 아니더라도 제한없이 성형할 수 있다.
이와 같은 상기 목칩과 장섬유는 수분 함유율이 낮을수록 목재 플라스틱 복합재의 성형성이 우수해지는데, 예컨대 상기 목칩과 장섬유의 수분 함유율은 5 ~ 15 중량부를 유지할 수 있도록 소정의 건조 공정을 실시하는 것이 바람직하다.
좀더 구체적으로, 상기 목칩과 장섬유의 수분 함유율이 5 ~ 15중량%가 되도록 건조기 내부에 투입되어 80 ~ 120℃의 온도로 가열해주는 건조공정을 거치게 된다. 즉 상기 목칩과 장섬유의 건조온도가 80℃ 이하에서는 건조에 많은 시간이 소요되고, 건조온도가 120℃ 이상에서는 급격한 건조로 인해 목칩 자체의 치밀한 조직이 뒤틀리는 변형을 유발하게 된다.
이러한 건조공정을 통해 목칩과 장섬유의 수분 함유율이 5 ~ 15중량%가 되도록 건조하게 되는데, 이처럼 수분 함유율을 5 ~ 15중량%로 유지할 경우에는 별도의 바인더를 첨가하지 않고도 다른 원료와 원활한 혼합이 이루어지게 된다. 수분 함유율이 15중량% 이상으로 될 경우에는 목재 플라스틱 복합재의 제조시 목칩 내의 수분이 증발함에 따라 기포 등이 발생하게 되어 배합시 결합력을 약화시키게 된다. 이에 따라 불량품이 발생하게 되는 문제가 있다.
또한 상기 혼합물은 첨가제를 선택적으로 포함할 수 있다. 여기서, 바람직하게는 이와 같은 첨가제는, 상용화제 0.1 ~ 50 중량부, 충진제 0.1 ~ 50 중량부, 산화방지제 0.1 ~ 30 중량부, 윤활제 0.1 ~ 30 중량부, 안료 0.1 ~ 30 중량부를 포함하여 이루어질 수 있다.
또한 상기 혼합물은 재활용 원료인 재생용지, 재생수지, 재활용 목질류 중 어느 하나 또는 복수를 선택적으로 포함하여 이루어질 수 있다.
이와 같은 구성으로 이루어진 목재 플라스틱 복합재를 제조하기 위한 혼합물은, 압출, 사출 또는 프레스 성형 중 어느 하나를 통해 목재 플라스틱 복합재로 제조될 수 있으며, 이러한 플라스틱 복합재는 제조하기 위한 상부판넬(110) 및 하부판넬(120), 스페이서(121)로 각각 형성된 후 화물 받침대(100)로 제작된다.
이상과 같은 구성의 본 발명에 따른 목재 플라스틱 복합재를 이용한 화물 받침대는, 목재 플라스틱 복합재를 이용하여 제작함에 있어 목분이 아닌 목칩을 이용하여 성형 제조함으로써 높은 강도를 구현할 수 있다. 즉 요구되는 동일 강도 시 목분에 비해 목칩을 이용하는 경우가 제작되는 화물 받침대의 두께를 줄일 수 있음으로써 제조 가격 경쟁력에서 우위를 확보할 수 있게 된다.
또한 경우에 따라 천연 장섬유 및 유리섬유, 탄소섬유, 나일론 등의 강화고분자 섬유를 포함해줌으로써 고강도를 극대화시킬 수 있다.
아울러 환경 친화적 제품에 대한 접근으로 재생용지, 재생수지, 재생목질류 등을 선택적으로 사용해줌으로써 재활용이 가능하며, 이에 따라 환경오염을 줄일 수 있게 된다.
이상에서는 본 발명을 특정의 바람직한 실시 예를 들어 도시하고 설명하였으나, 본 발명은 상기한 실시 예에 한정되지 않으며 본 발명의 기술사상을 벗어나지 않는 범위 내에서 다양한 변경과 수정이 가능함은 물론이다.

Claims (12)

  1. 화물이 적재되는 상부판넬(110);
    상기 상부판넬(110)을 지면으로부터 소정 높이 이격시킬 수 있도록 복수의 스페이서(121)를 매개로 결합되는 하부판넬(120); 및
    상기 스페이서(121)를 수평방향으로 일정간격 이격되게 결합시켜 그 사이에 포크가 각각 대응 삽입될 수 있도록 복수의 삽입구(123)가 마련되고,
    상기 상부판넬(110) 및 하부판넬(120)은,
    목칩을 주원료로 사용하여 제조된 목재 플라스틱 복합재를 이용한 것을 특징으로 하는 목재 플라스틱 복합재를 이용한 화물 받침대.
  2. 제1항에 있어서,
    상기 목재 플라스틱 복합재는,
    목칩 10 ~ 90 중량부, 고분자 수지(ＰＰ, ＰＥ, ＰＶＣ, ＡＢＳ, ＰＳ, ＰＣ, ＰＭＭＡ 중 어느 하나 또는 복수 개를 선택적으로) 10 ~ 50 중량부를 포함하여 이루어진 혼합물(Compounds)을 이용하여 성형제조된 것을 특징으로 하는 목재 플라스틱 복합재를 이용한 화물 받침대.
  3. 제2항에 있어서,
    상기 혼합물은,
    장섬유를 더 포함하는 것을 특징으로 하는 목재 플라스틱 복합재를 이용한 화물 받침대.
  4. 제3항에 있어서,
    상기 목칩과 장섬유의 합계 중량이 10 ~ 90 중량부가 되도록 포함하는 것을 특징으로 하는 목재 플라스틱 복합재를 이용한 화물 받침대.
  5. 제4항에 있어서,
    상기 목칩과 장섬유의 합계 중량이 50 내지 90 중량부가 되도록 포함하는 것을 특징으로 하는 목재 플라스틱 복합재를 이용한 화물 받침대.
  6. 제2항 또는 제3항에 있어서,
    상기 혼합물은,
    상용화제 0.1 ~ 50 중량부, 충진제 0.1 ~ 50 중량부, 산화방지제 0.1 ~ 30 중량부, 윤활제 0.1 ~ 30 중량부, 안료 0.1 ~ 30 중량부의 첨가제를 선택적으로 포함하는 것을 특징으로 하는 목재 플라스틱 복합재를 이용한 화물 받침대.
  7. 제1항에 있어서,
    상기 목칩은, 0.3 ~ 18㎝의 길이로 절단 형성되는 것을 특징으로 하는 목재 플라스틱 복합재를 이용한 화물 받침대.
  8. 제1항에 있어서,
    상기 목칩은, 3 ~ 8㎝의 길이로 절단 형성되는 것을 특징으로 하는 목재 플라스틱 복합재를 이용한 화물 받침대.
  9. 제3항에 있어서,
    상기 장섬유는,
    옥수수 섬유, 코코넛 섬유, 야자수 섬유, 갈대, 대나무, 볏짚, 면, 마, 모, 견(Silk)을 포함한 천연섬유, 유리섬유, 탄소섬유, 나일론의 강화 고분자 섬유 및 스틸 와이어(steel wire) 중 어느 하나 또는 복수 개를 선택적으로 포함하는 것을 특징으로 하는 목재 플라스틱 복합재를 이용한 화물 받침대.
  10. 제9항에 있어서,
    상기 장섬유는, 0.3 ~ 18㎝의 길이로 절단 형성된 것을 특징으로 하는 목재 플라스틱 복합재를 이용한 화물 받침대.
  11. 제2항에 있어서,
    상기 혼합물은,
    재활용 원료인 재생용지, 재생수지, 재활용 목질류 중 어느 하나 또는 복수를 선택적으로 포함하는 것을 특징으로 하는 목재 플라스틱 복합재를 이용한 화물 받침대.
  12. 제2항에 있어서,
    상기 혼합물은,
    압출, 사출 또는 프레스 성형 중 어느 하나를 통해 목재 플라스틱 복합재로 제조되는 것을 특징으로 하는 목재 플라스틱 복합재를 이용한 화물 받침대.
PCT/KR2013/007981 2012-09-06 2013-09-04 목재 플라스틱 복합재를 이용한 화물 받침대 WO2014038848A1 (ko)

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