• 제목/요약/키워드: Water-resistant corrugated board

검색결과 10건 처리시간 0.018초

농산물 저온유통용 내수 골판지 상자의 제조(제3보) -원지의 종류와 표면처리 방법에 따른 내수 골판지 원지의 물성- (Manufacture of Water-Resistant Corrugated Board Boxes for Agricultural Products in the Cold Chain System(III) - Effects of types of base paper and surface treatments on physical properties of the base paper for water resistant corrugated board -)

  • 조중연;민춘기;신준섭
    • 펄프종이기술
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    • 제37권2호
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    • pp.70-77
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    • 2005
  • For the purpose of developing liner board for water resistant corrugated board in the cold chain system, several types of base paper for corrugated board were purchased from the market and 6 different boards were produced in the mill by applying the chemicals, chosen in the previous studies, on the base paper. Then water-moisture resistance and physical properties of the boards were compared each other. The liner board which is dried at high temperature with pressure by Condebelt (CK paper) showed a superior performance in strength over common liner boards. Strength of the board increased by surface chemical treatment up to $60\%$ of compressive strength and $30\%$ of burst strength. Starch insolubilization with Ammonium Zirconium Carbonate and surface coating with a surface sizing agent and a moisture resistant chemical on CK paper showed the best result. Therefore this method was recommended to produce the outer liner board for water resistant corrugated board.

Manufacture of Water-Resistant Corrugated Board Boxes for Agricultural Products in the Cold Chain System

  • Jo, Jung-Yeon;Min, Choon-Ki;Shin, Jun-Seop
    • 한국펄프종이공학회:학술대회논문집
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    • 한국펄프종이공학회 2006년도 PAN PACIFIC CONFERENCE vol.2
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    • pp.459-463
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    • 2006
  • For the purpose of developing liner board for water-resistant corrugated board in the cold chain system, several types of base paper for corrugated board were purchased from the market and 6 different boards were produced in the paperboard mill by applying the chemicals on the base paper. Then, water-moisture resistant performance and physical properties of the boards were evaluated and compared each other. The liner board which is dried at high temperature with pressure by the Condebelt showed a superior performance in strength over conventional liner boards. Strength of the board increased by surface chemical treatment up to 60% of compressive strength and 30% of bursting strength. Starch insolubilization with Ammonium-Zirconium -Carbonate and surface coating with a surface size and a moisture resistant chemical on CK paper showed the best result. Therefore, this method was recommended to produce the outer liner board for water -resistant corrugated board.

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Manufacture of Water-Resistant Corrugated Board Boxes for Agricultural Products in the Cold Chain System

  • Jo, Jung-Yeon;Min, Choon-Ki;Shin, Jun-Seop
    • 펄프종이기술
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    • 제44권2호
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    • pp.29-34
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    • 2012
  • For the purpose of developing liner board for water-resistant corrugated board in the cold chain system, several types of base paper for corrugated board were purchased from the market and 6 different boards were produced in the paperboard mill by applying the chemicals on the base paper. Then, water-moisture resistant performance and physical properties of the boards were compared each other. The liner board which is dried at high temperature with pressure by Condebelt papermaking system(CK paper) showed a superior performance in strength over common liner boards. Strength of the board increased by surface chemical treatment up to 60% of compressive strength and 30% of bursting strength. Starch insolubilization with Ammonium-Zirconium Carbonate(AZC) and surface coating with a surface size and a moisture resistant chemical on CK paper showed the best result. Therefore, this method was recommended to produce the outer liner board for water -resistant corrugated board.

농산물 저온유통용 내수 골판지 상자의 제조 (제1보) -섬유의 종류, 습윤지력증강제 및 방습제 첨가에 따른 골판지 원지의 물리적 특성 - (Manufacture of Water-Resistant Corrugated Board Boxes for Agricultural Products in the Cold Chain System(I) - Effects of Fiber Types, Wet Strength Agents and a Moisture-Proof Chemical on the Physical Properties of Base Papers for Corrugated Board Boxes -)

  • 조중연;민춘기;신준섭
    • 펄프종이기술
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    • 제35권2호
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    • pp.26-32
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    • 2003
  • For the purpose of manufacturing water-resistant corrugated board boxes for agricultural products in the cold chain system, the effects of fiber types, wet strength agents and a moisture-proof chemical on the properties of the base papers were investigated first. PAE(polyamide amine epichlorohydrin) showed better performance than MF(melamine formalde-hyde) over broad stock pH ranges, which was prefered as wet strength agent for the paper grade. When short fibers(AOCC, KOCC) were mixed with long fiber(UKP) in certain ratios, some physical properties of the paper made with mixed fibers were similar to those of the paper made with UKP only. Paper containing AOCC showed the biggest increase in water resistance when PAE was added to the stock. Synergistic effects in moisture-proof and some mechanical properties of paper were appeared when PAR was added internally, together with the coating of a moisture proof chemical on the sheets.

농산물 저온유통용 내수 골판지 상자의 제조(제2보) - 골판지의 내수 및 내습성 향상을 위한 약품 적용 방법 - (Manufacture of Water-Resistant Corrugated Board Boxes for Agricultural Products in the Cold Chain System(II) - Application Methods of Chemicals for Improving Water and Moisture Resistance of Corrugated Boards -)

  • 조중연;민춘기;신준섭
    • 한국펄프종이공학회:학술대회논문집
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    • 한국펄프종이공학회 2004년도 춘계학술발표논문집
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    • pp.192-210
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    • 2004
  • Application methods of chemicals were investigated tn minimize strength reduction of corrugated boards under the high humidity environment encountered in the cold chain system. Starch insolubilizers were introduced in the starch solution preparation of the Stain hall method and their insolubilization effect of starch binder were estimated. The performance of water repellent agents(WRA) and moisture proof agents(MPA) were evaluated in terms of water and moisture resistance. And effects of the combination of the chemicals and the coating method were also examined. Addition of the polyamine polyamide insolubilizer to the main part in the Stain hall process improved the binding force and water resistance of starch, which contributed to minimize the strength reduction of paper under the high humidity environment. AZC and Glyoxal type insolubilizers could not be used in the experiment due to an excessively increased viscosity of starch solution and the poor stability. Conventional WRA treatment to the base paper enhanced water and moisture resistance very slightly even though water repellency of the paper reached R10 by the treatment. MPA showed excellent performance than WRA not only in water and moisture resistance but in water repellency. Double coating on paper with MPA was more effective than the single coating at the same coating weight. A newly developed MPA showed excellent performance and runnability only by a single coating instead of a double coating.

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농산물 저온유통용 내수 골판지 상자의 제조(제2보) - 골판지의 내수 및 내습성 향상을 위한 약품 적용 방법 - (Manufacture of Water-Resistant Corrugated Board Boxes for Agricultural Products in the Cold Chain System(II). -Application Methods of Chemicals for Improving Water and Moisture Resistance of Corrugated Boards-)

  • 조중연;민춘기;신준섭
    • 펄프종이기술
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    • 제36권2호
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    • pp.60-69
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    • 2004
  • Application methods of chemicals were investigated to minimize strength reduction of corrugated boards under the high humidity environment encountered in the cold chain system. Starch insolubilizers were introduced in the starch solution preparation of the Stein hall method and their insolubilization effect of starch binder were estimated. The performance of water repellent agents(WRA) and moisture proof agents(MPA) were evaluated in terms of water and moisture resistance. And effects of the combination of the chemicals and the coating method were also examined. Addition of the polyamine polyamide insolubilizer to the main part in the Stein hall process improved the binding force and water resistance of starch, which contributed to minimize the strength reduction of paper under the high humidity environment. AZC and Glyoxal type insolubilizers could not be used in the experiment due to an excessively increased viscosity of starch solution and the poor stability. Conventional WRA treatment to the base paper enhanced water and moisture resistance very slightly even though water repellency of the paper reached R10 by the treatment. MPA showed excellent performance than WRA not only in water and moisture resistance but in water repellency. Double coating on paper with MPA was more effective than the single coating at the same coating weight. A newly developed MPA showed excellent performance and runnability only by a single coating instead of a double coating.

과채류 포장용 골판지 상자의 저장온도와 습도에 따른 물리적 특성 변화 (Changes of the Physical Properties of Corrugated Fiberboard Boxes for Fruit and Vegetable Packaging by Preservation Temperature and Relative Humidity)

  • 이명훈;조중연;신준섭
    • 펄프종이기술
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    • 제34권1호
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    • pp.46-53
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    • 2002
  • This study was carried out to analyze the effects of preservation temperature and relative humidity to the physical properties of corrugated fiberboard boxes for fruit and vegetable packaging. The preservation temperature did not affect severely to physical properties of corrugated fiber-board. Relative humidity was a major cause of corrugated fiberboard box quality deterioration. The burst and compressive strengths of experimental boxes measured with Mullen high pressure tester and tong crush tester were decreased gradually as relative humidity increased from 55% to 75%. But, the strength properties slightly decreased relative humidity at 75% or higher. This tendency was the greater for single wall (SW) corrugated fiberboard box than that for double wall (DW). It is suggested that development of the water-resistant corrugated fiberboard and box be needed that can be used under the condition of low temperature and high moisture content, which are being employed in the cold chain system.

유통중 온습도 변화에 따른 골판지 상자의 압축강도에 대한 연구 (Effect of Relative Humidity and Temperature on the Compression Strength of Corrugated Boxes on Distribution Channel)

  • 이명훈;김종경
    • 펄프종이기술
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    • 제35권2호
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    • pp.33-38
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    • 2003
  • In order to design the high strength corrugated fiberboard containers for agricultural products that can be used for the cold chain system, a large number of individual boxes were placed in various humidity environments at two different temperature of 5 and $20^{\circ}C$. The results indicated that temperature changes do not effect on physical strength of corrugated fiberboard containers as much as humidity changes did. The main conclusion from this study was that compression strength of corrugated fiberboard containers dropped significantly at high humidity condition, but the rates varied depending on the number of walls, temperature, and perimeter of containers. The packaging designer must consider the corrugated fiberboard boxes are also greatly affected by dimensional variations such as the length versus width ratio. Based on this study, water-resistant board would not be necessary if the ambient relative humidity does not reach to a critical point, 85 percent in the cold chain system. However, the designer must count for the unexpected fluctuation of rotative humidity resulting in severe loss of the compression strength of corrugated fiberboard container.

알긴산 코팅에 의한 골판지 상자 제조용 라이너 원지의 수분저항성 증진 (Improvement of Water Resistant Properties of a Linerboard for Corrugated Fiberboard Box by Coating with Na-alginate)

  • 김은정;임종환;김병용
    • 한국식품과학회지
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    • 제38권6호
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    • pp.762-766
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    • 2006
  • 골판지 상자의 수분저항성을 증진시키기 위해 골판지 상자 제조에 사용되는 라이너지의 표면을 알긴산으로 표면코팅을 하기 위한 최적 조건을 결정하기 위하여 농도, 가소제의 종류와 사용량, 알긴산의 불용화를 위한 다가 금속이온의 종류와 최적농도 및 침지시간 등을 결정하였다. 라이너지의 표면코팅을 위한 알긴산의 농도는 2.5%(w/w)가 적합하였으며, 가소제인 글리세롤은 알긴산 대비 35%의 농도로 사용하는 것이 적합하였고, 알긴산 필름의 불용화를 위해서는 2% $CaCl_2$ 용약을 사용하여 3분간 처리하는 것이 라이너지의 수분에 대한 저항성 증진에 최적조건을 결정되었다. 다가 금속이온으로 $CA^{2+}$ 이외에 $Cu^{2+}$를 사용했을 때 낮은 투습계수와 수분용해도를 나타냈다. 가소재의 종류에 따라서는 수분 흡습에 대한 저항성이 큰 솔비톨을 첨가 했을 때 라이너지의 수분저항성이 유의적인 차이를 보이며 증가하였다.