Processing improvements in applying polyester onto a metal substrate
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IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B32B-037/00
B32B-037/14
B32B-037/06
B32B-038/00
B32B-037/02
출원번호
US-0298508
(2014-06-06)
등록번호
US-9186875
(2015-11-17)
발명자
/ 주소
Loen, Mark V.
Velliky, James E.
출원인 / 주소
Loen, Mark V.
인용정보
피인용 횟수 :
0인용 특허 :
42
초록▼
The invention is a laminating process which is directed toward economical production methods for scalable amounts of production which develop properties suitable for a broad based product line. In particular, the product is capable of important key components of commercial properties such as adhesio
The invention is a laminating process which is directed toward economical production methods for scalable amounts of production which develop properties suitable for a broad based product line. In particular, the product is capable of important key components of commercial properties such as adhesion, scratch resistance, chemical inertness, and bending without failure.
대표청구항▼
1. Processing steps for laminating a metal substrate with a polymer film to create desirable simultaneous commercial properties comprising: a. processing a metal substrate on a processing line, wherein said metal substrate is flat rolled,b. cleaning a first major side of said metal substrate,c. incr
1. Processing steps for laminating a metal substrate with a polymer film to create desirable simultaneous commercial properties comprising: a. processing a metal substrate on a processing line, wherein said metal substrate is flat rolled,b. cleaning a first major side of said metal substrate,c. increasing the surface energy of said first major side by at least one of: i. said cleaning of said first major side, andii. surface energy treatment equipment,d. preheating said metal substrate to at least 200° F.,e. preselecting a biaxially oriented first film for bonding to said first major side,f. pressing said first film onto said first major side by use of a first roll thereby creating a metal polymer laminate, wherein said first film is primarily polyester and comprises at least one layer,g. post treating said metal polymer laminate by heating said metal polymer laminate to at least a final bonding temperature of said first film to said metal substrate, andh. cooling said metal polymer laminate to result in a finished product, whereby said finished product has said desirable simultaneous commercial properties comprising: i. bonding of said first film onto said metal substrate of at least 43 ounces per inch,j. a pencil hardness of at least 2B, andk. successfully passing metal can pack testing of at least thirty days. 2. The processing steps according to claim 1 wherein the following steps are done prior to said post treating of said metal polymer laminate: r. additionally heating said metal polymer laminate to at least 200° F. if necessary,s. increasing the surface energy of the second major side of said metal substrate,t. preselecting a second film for bonding to the second major side of said metal substrate,l. pressing said second film onto the second major side by use of a second roll, andu. wherein said second roll is i. opposite of said first roll to create a roll nip, orii. a selected distance sequentially after said first roll. 3. The processing steps according to claim 2 wherein any said film is trimmed to match the width of said metal substrate prior to being pressed against said metal substrate according to a predetermined tolerance. 4. The processing steps according to claim 2 wherein at least one item from the group consisting of: i) said first roll, andii) said second roll is controlled to selected temperature by at least one item from the group consisting of: a) heating equipment, andb) cooling equipment. 5. The processing steps according to claim 2 wherein said processing line is either: a) a continuous operation, orb) a batch operation. 6. The processing steps according to claim 2 wherein any heating incorporates the lengthwise speed of said metal substrate. 7. The processing steps according to claim 1 wherein said post heating of said metal polymer laminate is below a melting point temperature of a preselected layer of said first film. 8. Processing steps for laminating a metal substrate with a thermoplastic polymer film to create desirable simultaneous commercial properties comprising: a. uncoiling a metal substrate from a coil on a processing line, wherein said metal substrate is flat rolled,b. cleaning said metal substrate with a cleaning system,c. increasing the surface energy of a first major side of said metal substrate to a bonding level by at least one of: i. said cleaning of said metal substrate, andii. surface energy pretreatment equipment,d. preselecting a film for bonding to said metal substrate, wherein said film is biaxially oriented,e. preheating said metal substrate to an initial bonding temperature of said film to said metal substrate,f. pressing said film onto said metal substrate with roll pressing equipment thereby creating a metal polymer laminate, wherein said film comprises at least one layer,g. post treating said metal polymer laminate by heating said metal polymer laminate to at least a final bonding temperature of said film to said metal substrate, wherein said final bonding temperature is below a melting point of a preselected layer of said film,h. cooling said metal polymer laminate, andi. coiling said metal polymer laminate into a finished coil, whereby said finished coil has desirable simultaneous commercial properties comprising: j. bonding of said film onto said metal substrate of at least 43 ounces per inch,k. a pencil hardness of at least 2B, andl. successfully passing metal can pack testing for at least thirty days. 9. The processing steps according to claim 8 wherein the following steps are done prior to said post treating of said metal polymer laminate: v. preselecting a second film for bonding to the uncoated major side of said metal substrate,m. pressing said second film onto the second major side by use of said roll pressing equipment. 10. The processing steps according to claim 9 wherein any said film is trimmed to match the width of said metal substrate prior to being pressed against said metal substrate according to a predetermined tolerance. 11. The processing steps according to claim 8 wherein said post heating of said metal polymer laminate is below a melting point temperature of a preselected layer of said first film. 12. Processing steps for laminating a metal substrate with multiple films to create desirable simultaneous commercial properties comprising: a. uncoiling a metal substrate from a coil on a processing line, wherein said metal substrate is flat rolled,b. cleaning a first major side of said metal substrate with a cleaning system,c. increasing the surface energy of a first major side of said metal substrate to a bonding level by at least one of: i. said cleaning of said first major side, andii. surface energy pretreatment equipment,d. preheating said metal substrate to at least 200° F.,e. preselecting a plurality of first films for bonding to said first major side,f. pressing said first films onto said first major side by use of a first roll, thereby creating a metal polymer laminate,g. wherein said first films are separated by a predetermined gap,h. wherein said first films comprises at least one layer,i. post treating said metal polymer laminate by heating said metal polymer laminate to at least the bonding temperature of said first films to said metal substrate, andj. cooling said metal polymer laminate for coiling into a finished coil, whereby said finished coil has said desirable simultaneous commercial properties comprising: k. bonding of said first film onto said metal substrate of at least 43 ounces per inch,l. a pencil hardness of at least 2B, andm. successfully passing metal can pack testing of at least thirty days. 13. The processing steps according to claim 12 wherein any said film is trimmed to match the width of said metal substrate prior to being pressed against said metal substrate according to a predetermined tolerance. 14. The processing steps according to claim 12 wherein said post heating of said metal polymer laminate is below a melting point temperature of a preselected layer of said first film.
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