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    • 14. 发明授权
    • Photoresist layer supporting polyester film and photoresist film laminate
    • 光阻层支撑聚酯薄膜和光刻胶薄膜层压板
    • US5879854A
    • 1999-03-09
    • US904579
    • 1997-08-06
    • Hiroshi TomitaKei MizutaniKinji Hasegawa
    • Hiroshi TomitaKei MizutaniKinji Hasegawa
    • G03F7/09H05K3/00G03F7/11
    • G03F7/09H05K3/0073Y10T428/24421Y10T428/249953Y10T428/249956Y10T428/2982Y10T428/31786
    • A photoresist layer supporting polyester film which is a biaxially oriented film formed from a polyester containing 0.01 to 0.1% by weight of porous silica particles that are agglomerates of primary particles having an average particle diameter of 0.01 to 0.1 .mu.m and have an average particle diameter of 0.1 to 5 .mu.m and a pore volume of 0.5 to 2.0 ml/g, the number of the porous silica coarse particles having a major diameter of not smaller than 50 .mu.m being 10 or less per m.sup.2 ; and a photoresist film laminate comprising the above polyester film and a photoresist layer and a protective film, the photoresist layer and the protective film being laminated on one surface of the photoresist layer supporting polyester film. The above photoresist layer supporting polyester film is excellent in transparency and handling properties (slipperiness), and the above photoresist film laminate has excellent resolution and is almost free from circuit defect.
    • 一种支撑聚酯膜的光致抗蚀剂层,其是由含有0.01〜0.1重量%的多孔二氧化硅粒子的聚酯形成的双轴取向膜,该多孔二氧化硅粒子是平均粒径为0.01〜0.1μm的一次粒子的凝聚体, 为0.1〜5μm,细孔容积为0.5〜2.0ml / g,长径不小于50μm的多孔二氧化硅粗粒的数量为每平方米10个以下。 以及包含上述聚酯膜和光致抗蚀剂层和保护膜的光致抗蚀剂膜层压体,光致抗蚀剂层和保护膜层压在支撑聚酯膜的光致抗蚀剂层的一个表面上。 上述光致抗蚀剂层支撑聚酯膜的透明性和处理性(滑动性)优异,上述光致抗蚀剂膜层叠体具有优异的分辨率,几乎没有电路缺陷。
    • 15. 发明授权
    • Biaxially oriented film to be laminated on a metal
    • 双轴取向膜被层压在金属上
    • US5780158A
    • 1998-07-14
    • US684935
    • 1996-07-19
    • Takeo AsaiTakafumi KudoKoji KuboYukihiko MinamihiraKinji Hasegawa
    • Takeo AsaiTakafumi KudoKoji KuboYukihiko MinamihiraKinji Hasegawa
    • B32B15/08B32B27/36C08J5/18
    • B32B15/08Y10T428/31507Y10T428/31681Y10T428/31786
    • A biaxially oriented film to be laminated on a metal, which is a laminate film comprising (A) a first layer of a polyester comprising ethylene terephthalate as a main recurring unit; and (B) a second layer formed from a composition of a polycarbonate and polyesters, the polycarbonate and the polyesters being each contained in amounts of 20 to 50% by weight and 50 to 80% by weight based on the total thereof; the polyesters consisting essentially of a first polyester comprising ethylene terephthalate as a main recurring unit and having a terminal carboxyl group concentration of more than 5 eq./10.sup.6 g and a second polyester comprising butylene terephthalate as a main recurring unit and having a terminal carboxyl group concentration of less than 20 eq./10.sup.6 g; and the first and second polyesters being each contained in an amount of 10 to 90% by weight based on the total thereof; and in which (C) the plane orientation coefficients of the first layer and second layer are both in the range of 0.05 to 0.10.
    • 一种层压在金属上的双轴取向膜,它是层压膜,它包括(A)第一层包含对苯二甲酸乙二醇酯作为主要重复单元的聚酯; 和(B)由聚碳酸酯和聚酯的组合物形成的第二层,聚碳酸酯和聚酯的含量相对于其总量为20〜50重量%和50〜80重量% 所述聚酯基本上由包含对苯二甲酸乙二醇酯作为主要重复单元并且具有大于5当量/ 10g的末端羧基浓度的第一聚酯和包含对苯二甲酸丁二醇酯作为主要重复单元并具有末端羧基的第二聚酯 浓度小于20当量/ 10 6 g; 所述第一和第二聚酯的含量相对于其总量为10〜90重量% 并且其中(C)第一层和第二层的平面取向系数都在0.05至0.10的范围内。
    • 20. 发明授权
    • Biaxially oriented laminated polyester film for use as film to be bonded
onto metal sheet
    • 双轴取向叠层聚酯薄膜,用作粘结在金属薄片上的薄膜
    • US5618621A
    • 1997-04-08
    • US453476
    • 1995-05-30
    • Kinji HasegawaTakeo AsaiMitsumasa OnoYoji Murakami
    • Kinji HasegawaTakeo AsaiMitsumasa OnoYoji Murakami
    • B32B27/36C09J7/02
    • B32B27/36Y10T428/28Y10T428/2878Y10T428/31786
    • A biaxially oriented laminated polyester film comprising (A) a first layer formed from a first copolyester which is composed of ethylene terephthalate unit as a main recurring unit, and (B) a second layer formed from a polyester composition containing (B1) a second copolyester which is composed of ethylene terephthalate unit as a main recurring unit and (B2) a third (co)polyester which is composed of butylene terephthalate unit as a main recurring unit and is contained in an amount of 1 to 40% by weight or (B3) a filler having an average particle diameter of 2.5 .mu.m or less and is contained in an amount of 5 to 80% by weight in place of the third (co)polyester (B3), the second layer being to constitute a surface to be bonded onto a metal surface when the laminated film is laminated on the metal sheet. This composition can give metal cans, e.g., beverage cans and food cans, excellent in heat resistance, resistance to embrittlement under retort treatment, favor retention, impact resistance and anticorrosive properties.
    • 一种双轴取向叠层聚酯薄膜,包括(A)由作为主要重复单元的对苯二甲酸乙二醇酯单元构成的第一共聚酯形成的第一层和(B)由聚酯组合物形成的第二层,所述聚酯组合物含有(B1)第二共聚酯 由作为主要重复单元的对苯二甲酸乙二醇酯单元构成,(B2)由作为主要重复单元的对苯二甲酸丁二醇酯单元构成的含有1〜40重量%的(B2)的第(共)聚酯, )平均粒径为2.5μm以下的填料,代替第三(共)聚酯(B3)而含有5〜80重量%的填料,第二层构成表面 当层压膜层压在金属板上时,粘合到金属表面上。 该组合物可以给出金属罐,例如饮料罐和食品罐,其耐热性优异,在蒸煮处理下耐脆性,有利于保留,耐冲击性和耐腐蚀性。