448 patents
Utility
Transparent Gas Barrier Film
18 Jan 24
An object of the present invention is to provide an inexpensive transparent barrier film which uses a plastic film prepared using a recycled resin of PET bottles in consideration of the environment and has excellent acid resistance.
Kiyoshi ISEKI
Filed: 24 Nov 21
Utility
Polyolefin-based resin film and laminate including the same
9 Jan 24
The invention provides a polyolefin-based resin film including a polyolefin-based resin composition that includes at least a propylene-α olefin random copolymer, wherein (1) an olefin-based block copolymer is 0 to 2 parts by weight based on 100 parts by weight of the propylene-α olefin random copolymer; (2) an olefin-based copolymeric elastomer resin is 0 to 2 parts by weight based on 100 parts by weight of the propylene-α olefin random copolymer; (3) a propylene homopolymer is 0 to 40 parts by weight based on 100 parts by weight of the propylene-α olefin random copolymer; (4) the polyolefin-based resin film exhibits a thermal shrinkage rate of 25% or less in a direction in which the thermal shrinkage rate is larger between a longitudinal direction and a lateral direction; and (5) a planar orientation coefficient ΔP calculated from a refractive index of the polyolefin-based resin film is 0.0100-0.0145.
Wakato Tomatsu, Tadashi Nishi
Filed: 26 May 20
Utility
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4 Jan 24
A display body characterized in that there is at least one white printing layer permitting printing by means of laser irradiation; said white printing layer has a nonprinted region and a printed region at which laser printing has been carried out; and (1) through (3) are satisfied. (1) An absolute value of a difference in color L* values between the printed region and the nonprinted region is not less than 1.0 but not greater than 10.0. (2) Total luminous transmittance of the nonprinted region is not less than 8% but not greater than 50%. (3) Fractional decrease in thickness of the printed region in a cross-sectional direction is not less than 1 vol % but not greater than 80 vol % of that of the nonprinted region.
Shintaro ISHIMARU, Masayuki HARUTA
Filed: 6 Oct 21
Utility
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4 Jan 24
The invention provides a heat-shrinkable polyester film characterized by (1) a hot-water heat shrinkage rate in a width direction of the film of 40%-80% by immersing the film in hot-water at 90° C. for 10 seconds; (2) a hot-water heat shrinkage rate in a longitudinal direction of the film of 5%-10% by immersing the film in hot-water at 90° C. for 10 seconds; (3) a maximum peak height Sp on at least one surface of the film of 0.8-3.0 μm; (4) an arithmetical mean height Sa on at least one surface of the film of 0.03-0.2 μm; and (5) a degassing time for removing air from between the two identical polyester films is 14 seconds or less, wherein the films are formed by stacking a front surface of the one film on a back surface of the other film.
Masayuki HARUTA, Norimi TABOTA
Filed: 22 Sep 21
Utility
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4 Jan 24
The present disclosure describes using additional yarn having a boiling-water shrinkage rate less than that of the base yarn, thereby suppressing shrinkage at the sides in the width direction of the fabric and thus reducing the difference in the crimp ratio between the center in the width direction of the fabric and the sides in the width direction.
Hiroya TAKEUCHI
Filed: 16 Nov 21
Utility
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4 Jan 24
The invention provides a method and apparatus for producing a long transparent barrier film, which comprises a step for producing a transparent gas barrier film which has, on at least one surface of a plastic film, an aluminum oxide layer that is mainly composed of aluminum oxide or a silicon oxide layer that is mainly composed of silicon oxide, said aluminum or silicon oxide layer being produced by evaporating aluminum metal or silicon metal and injecting oxygen thereinto.
Kiyoshi ISEKI
Filed: 24 Nov 21
Utility
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4 Jan 24
The invention provides a thermal adhesive laminated oriented film containing a substrate layer comprising a resin composition containing 99.9 to 60% by mass of a polyamide resin or a polymethylpentene resin and 0.1 to 40% by mass of a modified polyolefin resin; and a thermal adhesive layer containing a thermal adhesive polyolefin resin and provided on each of both surfaces of the substrate layer so as to be in direct contact therewith by coextrusion.
Yoshitaka TANAKA, Shigeyuki WATANABE, Nobuhiro YOSHIMURA, Ryo UMEKI, Takafumi MASUDA, Daiki FUNAOKA
Filed: 11 Nov 21
Utility
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28 Dec 23
Yoko KOMATSU
Filed: 9 Nov 21
Utility
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28 Dec 23
The invention provides a polyolefin resin film having high bag breakage resistance and bending pinhole resistance while having high heat-sealing strength even when stacked with a base such as a biaxially oriented polyamide resin film having high strength.
Wakato TOMATSU, Tadashi NISHI, Sakie YAMAUCHI
Filed: 29 Oct 21
Utility
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28 Dec 23
The invention provides a multilayer body that includes a base film such as a biaxially oriented polyamide resin film having high strength and a polyolefin resin film, and that has high bag breakage resistance and bending pinhole resistance while having high heat-sealing strength.
Wakato TOMATSU, Tadashi NISHI, Sakie YAMAUCHI
Filed: 29 Oct 21
Utility
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21 Dec 23
Yoko KOMATSU
Filed: 9 Nov 21
Utility
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21 Dec 23
The invention provides a biaxially oriented polypropylene resin film containing a base layer (A) formed of a polypropylene-based resin composition containing polypropylene-based resin and polyethylene-based resin; and a surface layer (B) disposed on at least one side of the base layer (A), wherein a) the polypropylene-based resin having the lowest DSC melting point in the polypropylene-based resin composition of base layer (A) has a melting point peak temperature of not lower than 160° C., b) a ratio of α-olefin monomer-derived component to a total of a propylene monomer-derived component and the α-olefin monomer-derived component in the polypropylene-based resin of base layer (A) is not larger than 0.2 mol %, c) the amount of polyethylene-based resin of base layer (A) is 1-20 wt % of a total of polypropylene-based resin and polyethylene-based resin of base layer (A), and d) the biaxially oriented polypropylene resin film has a haze of not larger than 7%.
Kazuya KIRIYAMA, Toru IMAI, Osamu KINOSHITA
Filed: 19 Nov 21
Utility
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21 Dec 23
An object is to provide a polyethylene terephthalate-based resin film that has excellent processing suitability and that particularly can effectively suppress the occurrence of cleavage in the film layer of a portion cut with a knife.
Takahisa ABE, Yuka IKEDA, Kaoru SAWADA
Filed: 18 Oct 21
Utility
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19 Dec 23
Provided are a foldable display that is excellent in mass production applicability, and that does not have image distortion that can appear in the folding portion after the display is repeatedly folded; and a mobile device equipped with such a foldable display.
Kenji Yoshino, Kiwamu Kawai, Shotaro Nishio
Filed: 3 Apr 19
Utility
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14 Dec 23
In a cell cryopreservation hollow fiber membrane made of a cellulose ester, a decrease in strength during the use for cell cryopreservation is suppressed.
Takatsugu TAJIMA, Yoshinori TAKII
Filed: 26 Oct 21
Utility
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7 Dec 23
The present invention is to provide a thermoplastic polyester elastomer resin foam molded product which exhibits light weight, excellent rebound resilience and excellent surface smoothness.
Kenzo OYA, Takuya AKAISHI, Eri MORIO
Filed: 15 Oct 21
Utility
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7 Dec 23
A reeling device includes: a left spool body; a right spool body; and a yarn transfer mechanism.
Kohei Nishi, Yusuke Tokuda
Filed: 29 Oct 21
Utility
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7 Dec 23
Provided is a readily adhesive polyester film that has antistatic properties-and prevents an antistatic agent from transferring to other items The readily adhesive polyester film includes a polyester film and a readily adhesive layer on at least one surface of the polyester film, wherein the readily adhesive layer is formed of a cured composition containing an ion-conducting antistatic agent, a polyester resin, and a polycarbonate urethane resin, a surface of the readily adhesive layer has a surface specific resistance value of 1.0×1013 Ω/sq or lower, and after the surface of the readily adhesive layer is brought into contact with an additional polyester film and maintained at a temperature of 50° C. under a pressure of 1 kg/cm2 for 3 days, the surface of the additional polyester film that is in contact with the surface of the readily adhesive layer has a surface specific resistance value of 1.0×1014 Ω/sq or higher.
Eiji KUMAGAI, Yohei YAMAGUCHI, Takeshi KUBO, Noriyuki TAKAGI, Tsuyoshi OHTA
Filed: 22 Sep 21
Utility
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5 Dec 23
Kaya Tokuda, Tetsuo Okuyama, Satoshi Maeda, Naoki Watanabe, Harumi Yonemushi, Denichirou Mizuguchi
Filed: 9 Jun 21
Utility
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30 Nov 23
An object is to provide a crosslinked aromatic polyester resin composition that has high strength at room temperature and is capable of reprocessing, adhering films to each other, and self-repairing at a bond exchange activation temperature thereof or higher, due to “dynamic” covalent crosslinks allowing bond exchange at high temperatures.
Shoko UCHIYAMA, Mikihiro HAYASHI
Filed: 14 Oct 21