Lamination structure with a starch to plastic bond
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B23B-003/28
B23B-027/08
출원번호
US-0393275
(2003-03-20)
발명자
/ 주소
Rehkugler, Richard A.
출원인 / 주소
ExxonMobil Oil Corporation
대리인 / 주소
James Rick F.
인용정보
피인용 횟수 :
1인용 특허 :
28
초록▼
A lamination structure comprises a first layer bonded to a second layer. The first layer is bonded to the second layer by a destruct bond with a starch adhesive. The first layer may be a flat layer or a fluted layer and the second layer may be a flat or fluted layer. At least one surface of the firs
A lamination structure comprises a first layer bonded to a second layer. The first layer is bonded to the second layer by a destruct bond with a starch adhesive. The first layer may be a flat layer or a fluted layer and the second layer may be a flat or fluted layer. At least one surface of the first layer and/or the second layer, which is bonded to the other layer, is the surface of a thermoplastic film. The thermoplastic film is treated or coated in a manner sufficient to permit the surface or surfaces to form the above-mentioned destruct bond, using a starch adhesive. An example of a surface treatment is flame treatment. An example of a coating is an acrylic coating.
대표청구항▼
1. A paper and plastic board structure comprising an inner face liner, an outer face liner and a cardboard core, wherein said inner face liner and said outer face liner are bonded to said cardboard core by destruct bonds with a starch adhesive, wherein at least one surface of said inner face liner,
1. A paper and plastic board structure comprising an inner face liner, an outer face liner and a cardboard core, wherein said inner face liner and said outer face liner are bonded to said cardboard core by destruct bonds with a starch adhesive, wherein at least one surface of said inner face liner, said outer face liner or said cardboard core, which is bonded to said starch adhesive, is the surface of a thermoplastic film, wherein said surface of said thermoplastic film is treated or coated in a manner sufficient to render said surface of said thermoplastic film capable of bonding with said starch adhesive in a destruct manner. 2. A paper and plastic board structure according to claim 1, wherein said cardboard core is a fluted core. 3. A paper and plastic board structure according to claim 2, wherein said fluted core and said inner face liner comprise kraft paper. 4. A paper and plastic board structure according to claim 2, wherein said surface of said thermoplastic film layer is flame treated. 5. A paper and plastic board structure according to claim 3, wherein said thermoplastic film comprises a biaxially oriented polypropylene core layer and a high density polyethylene skin layer, and wherein the surface of said skin layer is said surface of said thermoplastic film. 6. A paper and plastic board structure according to claim 5, wherein said outer face liner comprises said thermoplastic film. 7. A paper and plastic board structure according to claim 1, wherein said surface of said thermoplastic film is treated to have a surface tension level of at least 39 dynes/cm. 8. A paper and plastic board structure according to claim 3, wherein said surface of said thermoplastic film is treated to have a surface tension level of at least 42 dynes/cm. 9. A paper and plastic board structure according to claim 4, wherein said surface of said thermoplastic film is treated to have a surface tension level of at least 46 dynes/cm. 10. A paper and plastic board structure according to claim 1, wherein said surface of said thermoplastic film is coated with a coating selected from the group consisting of an acrylic coating, a polyvinylidene chloride coating, a polyvinyl alcohol coating and an ethylene vinyl alcohol coating. 11. A paper and plastic board structure according to claim 10, wherein said thermoplastic film comprises a biaxially oriented polypropylene core layer, wherein said cardboard core is a fluted core, and wherein said cardboard core and said inner face liner comprise kraft paper. 12. A paper and plastic board structure according to claim 1 comprising a fluted core, wherein said fluted core comprises said thermoplastic film. 13. A paper and plastic board structure according to claim 1, wherein said paper and plastic board structure is a corrugated board structure, and wherein said corrugated board structure is formed into a container or a furniture structural member. 14. A lamination structure comprising a first layer bonded to a second layer;wherein said first layer is bonded to said second layer by a destruct bond with a starch adhesive;wherein said first layer is a flat layer or a fluted layer and said second layer is a flat layer or a fluted layer;wherein at least one surface of said first layer and said second layer, which is bonded to the other layer, is the surface of a thermoplastic film; andwherein said thermoplastic film is treated or coated in a manner sufficient to permit said surface or surfaces to form said destruct bond. 15. A lamination structure according to claim 14, wherein said first layer is a flat layer and said second layer is a fluted layer. 16. A lamination structure according to claim 15, wherein a surface of said thermoplastic film layer, which is bonded to the other layer, is flame treated. 17. A lamination structure according to claim 14, wherein said thermoplastic film layer, which is bonded to the other layer, comprises a biaxially oriented polypropylene core layer and a high density polyethylene skin layer, wherein said skin layer is flame treated and bonded to the other layer with a starch adhesive. 18. A lamination structure according to claim 14, wherein a surface of said thermoplastic film layer, which is bonded to the other layer, is treated to have a surface tension level of at least 42 dynes/cm. 19. A lamination structure according to claim 16, wherein said flame treated surface has a surface tension level of 48-52 dynes/cm. 20. A lamination structure according to claim 14, wherein a surface of said thermoplastic film layer, which is bonded to the other layer, is coated with a coating selected from the group consisting of an acrylic coating, a polyvinylidene coating, a polyvinyl alcohol coating and an ethylene vinyl alcohol coating. 21. A lamination structure according to claim 20, wherein said first layer is a flat layer and said second layer is a fluted layer. 22. A lamination structure according to claim 20, wherein said thermoplastic film layer, which is bonded to the other layer, comprises a biaxially oriented polypropylene core layer. 23. A lamination structure according to claim 22, wherein said coating is an acrylic coating. 24. A lamination structure according to claim 14, wherein said first layer is a fluted layer and said second layer is a fluted layer. 25. A lamination structure according to claim 24, wherein said first layer is a kraft paper layer and said second layer is a thermoplastic layer, and wherein said lamination structure is formed (a) by affixing a flat paper layer to a flat thermoplastic layer with a starch adhesive to form a flat laminate structure and (b) by passing said flat laminate structure through two corrugator rolls to form a fluted structure.
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