Jfe Steel Corporation

Nippon Quaker Chemical, Ltd.

Jfe Steel Corrporation

Yasuhide Oshima

Katsumi Kojima

Junichi Kitagawa

Hiroki Iwasa

Yoshihiko Yasue

Hiroshi Kubo

Tomonari Hiraguchi

Yuya Kawai

Soichi Fujimoto

Masaki Tada

Yoichiro Yamanaka

Norihiko Nakamura

Yusuke Nakagawa

Takeshi Matsuda

Akira Matsuzaki

Hiroki Nakamaru

Masayasu Nagoshi

Takahiro Kubota

Hayato Saito

Kazumichi Sashi

Nobue Fujibayashi

Yuka Nishihara

Yusuke Okumura

Shinsuke Watanabe

Rie Kaneko

Toshikazu Ikeda

Tomohiro Kanokogi

Takeyoshi Fukuda

Katsunori Nakai

A resin-coated metal sheet for a container includes: a metal sheet; a first resin coating layer provided on an inner face of the metal sheet after forming; and a second resin coating layer provided on an outer face of the metal sheet after forming, wherein a polar component of surface free energy of the second resin coating layer is 3.5 mN/m or more, after the second resin coating layer is subjected to heat treatment at a melting point of the second resin coating layer plus 8° C. for 2 minutes, and a static friction coefficient of the second resin coating layer, at 145° C., is 0.16 or less.

Resin-coated metal sheet for container

A resin coated metal sheet includes: a metal sheet; and a resin layer formed on at least one face of the metal sheet. A movable amorphous amount of the resin layer measured by a temperature modulated differential scanning calorimeter being 30% to 46%. An intensity ratio I/Ibetween intensity (I) of a peak attributable to a trans structure of methylene groups in polyethylene terephthalate (PET) around 1,096 cmdetermined from laser Raman spectroscopic analysis measured by making a plane of polarization of linearly polarized laser light incident on a thickness direction section of the resin coating layer perpendicularly to a thickness direction and intensity (I) of a peak attributable to a gauche structure of methylene groups in PET around 1,119 cmdetermined from the laser Raman spectroscopic analysis being 1.1 or more and less than 1.5 at a position with a distance of 1 μm from the metal sheet.

Resin coated metal sheet, container, and method of evaluation

A laminated steel sheet for a both-sided resin-coated container includes a steel sheet, a first polyester resin layer formed on a surface of the steel sheet serving as an inner side of a container after the container is formed, and a second polyester resin layer formed on a surface of the steel sheet serving as an outer side of the container after the container is formed. The first polyester resin layer includes a polyethylene terephthalate content of 95% by weight or more and has a degree of crystallinity in a range of 3% to 25%. The second polyester resin layer includes polyethylene terephthalate and polybutylene terephthalate and has a proportion of polybutylene terephthalate in a range of 40% by weight to 80% by weight.

Laminated steel sheet for both-sided resin-coated container

A resin coated metal sheet includes: a metal sheet; and a resin layer configured to coat at least one face of the metal sheet. An indentation modulus of the resin layer on a side adhered to the metal sheet is 100 MPa to 300 MPa, and a melting point of the resin layer is 210° C. to 270° C.

Resin coated metal sheet and container

A film for coating a metal sheet, the film satisfying that: a ratio (E/E) of a Young's modulus Ein a lengthwise direction to a Young's modulus Ein a width direction is 1.1 to 4.0; and a thermal shrinkage rate, measured by a thermo-mechanical analyzer, in both lengthwise and width directions at 200° C. is equal to or smaller than 20%.

Film for coating metal sheet and resin coated metal sheet

A film-laminated metal sheet including a resin film configured to coat a metal sheet on at least one surface, wherein an arithmetic mean height Saof a surface of the resin film is 3.0 nm or smaller, and an arithmetic mean height change ratio {(Sa/Sa)×100} of the surface of the resin film is 80% to 120%, where Sadenotes an arithmetic mean height of the surface of the resin film after thermal treatment at 100° C.

Film-laminated metal sheet, substrate for flexible device, and substrate for organic el device

A resin coated metal sheet for container includes a polyester resin coating layer in which 90 mol % or more of structural units are ethylene terephthalate units. A half-value width of a peak attributable to C&#x2550;O stretching vibration around 1,730 cmdetermined from laser Raman spectroscopic analysis measured by making a plane of polarization of linearly polarized laser light incident on a thickness direction section of the polyester resin coating layer perpendicularly to a thickness direction is 18.5 cmto 22.0 cmat a position with a thickness of 1.0 &#x3bc;m from a metal sheet side of the polyester resin coating layer and is greater than 17.0 cmand 18.5 cmor less at a position with a thickness of 1.0 &#x3bc;m from a surface side of the polyester resin coating layer.

Resin coated metal sheet for container

A laminated metal sheet for a metal container lid includes a polyester resin layer formed on a metal sheet. The polyester resin layer is composed of an A and a B layer, wherein the melting point of the A layer is lower than the melting point of the B layer by 20&#xb0; C. or more, the A layer includes a molten layer where the value of the ratio of a peak intensity Ito a peak intensity Iis 1.5 or less, the B layer includes an orientation layer where the value of the ratio of the peak intensity Ito the peak intensity Iis 3.0 or more, the thickness of the A layer is within the range from 5 &#x3bc;m or more to less than 30 &#x3bc;m, and the thickness of the B layer is within the range from 0.5 &#x3bc;m or more to less than 6.0 &#x3bc;m.

Laminated metal sheet for metal container lid and method for manufacturing the same

A resin-coated metal sheet for a container includes: a metal sheet; a first resin coating layer provided on an inner face of the metal sheet after forming; and a second resin coating layer provided on an outer face of the metal sheet after forming, the second resin coating layer containing: polyester resin having a melting point of 230&#xb0; C. to 254&#xb0; C. as a main component; and a lubricant component, a melting point of the lubricant component being 80&#xb0; C. to 230&#xb0; C., an average particle diameter of the lubricant component present on a surface of the second resin coating layer being 17.0 nm or less.

A resin-coated metal sheet for a container, the metal sheet including: a first resin coat layer provided on a first surface of the metal sheet; a second resin coat layer provided on a second surface of the metal sheet, wherein each of the first and the second resin coat layers is composed mainly of a polyester resin having a melting point of 230&#xb0; C. to 254&#xb0; C., and the first resin coat layer, in a state that the resin coat layers coat the metal sheet, is formed of a resin material having: an arithmetic average roughness (Ra) of 0.10 &#x3bc;m to 1.0 &#x3bc;m; a crystallization temperature of 110&#xb0; C. to 160&#xb0; C.; and a water contact angle of 55 degrees to 80 degrees in a state that the resin coat layers have been heated at 240&#xb0; C. for 90 seconds after the resin coat layers coat the metal sheet.

A laminated steel sheet for a two-piece can body with a high strain level satisfying the following formulae, the polyester resin layer composing the laminated steel sheet having a center line surface roughness (Ra) of 0.2 &#x3bc;m to 1.8 &#x3bc;m:,0.1&#x2264;&#x2264;0.25, and 1.5&#x2264;/()&#x2264;4

Method for production of two-piece can

A zinc or zinc alloy coated steel sheet has a surface-treatment film formed thereon in a coating weight per one surface of 100 to 600 mg/m. The surface-treatment film is obtained by applying, onto a surface of the zinc or zinc alloy coated steel sheet, the surface-treatment solution prepared by mixing the following components at specific ratios, the surface-treatment solution having pH of 8 to 10: a silane compound (A) having a hydrolyzable group, obtained from a silane coupling agent (a1) having a glycidyl group, a tetraalkoxysilane (a2), and a chelating agent (a3); a zirconium carbonate compound (B); a vanadate compound (C); a nitric compound (D); and water, and by subsequently heating and drying the surface-treatment solution thus applied.

Surface-treatment solution for zinc or zinc alloy coated steel sheet and method for manufacturing zinc or zinc alloy coated steel sheet

An ironing apparatus includes an ironing die and an ironing punch, an injection port for injecting gas or liquid to the metal plate at a high pressure to remove substance adhered to the metal plate therefrom, a suction port for sucking the adhered substance removed from the metal plate, and a protrusion mount portion with a protrusion for preventing dispersion of the gas or the liquid. An ironing method for ironing the metal plate having the single surface or both surfaces coated with the organic resin film includes the steps of injecting the gas or the liquid from the injection port to the metal plate at the high pressure to remove the adhered substance from the metal plate, and sucking and collecting the adhered substance removed from the metal plate from the suction port. The adhered substance such as the hair may be removed by the aforementioned invention.

Ironing method and ironing apparatus

A DI forming water-based coolant of a laminated metal sheet includes at least one kind of base (a) selected from alkanolamines and alkali metal hydroxides, a fatty acid (b), and water (c), wherein the total content of the base (a) and the fatty acid (b) is 0.02 to 4% by mass and the ratio of a straight-chain fatty acid having a carbon number of 6 to 12 in the fatty acid (b) is 80 to 100% by mass.

DI forming water-based collant of laminated metal sheet and method for DI forming laminated metal sheet

A resin-coated metal sheet includes resin layers formed on both surfaces thereof and composed of a polyester as a main component, wherein the resin layer covering the inner surface of a container after the formation thereof has an interfacial free energy with water of 30 mN/m or more. The container formed from the resin-coated metal sheet exhibits an excellent content release property for contents with a high protein content.

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Tokyo, Japan

Yasuhide Oshima