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    • 3. 发明授权
    • Biaxially oriented polyester film and laminates thereof with copper
    • 双轴取向聚酯薄膜及其与铜的层压材料
    • US07147927B2
    • 2006-12-12
    • US10606070
    • 2003-06-25
    • Thomas Joseph PecoriniGary Darrel Boone
    • Thomas Joseph PecoriniGary Darrel Boone
    • B32B15/08B32B15/09B32B15/20B32B27/36B32B38/00
    • B32B27/36B29C55/12B29C55/16B29K2067/00B32B15/08B32B15/09B32B2307/518C08G63/199C08J5/18C08J2367/02H05K1/0326H05K1/0393H05K3/281H05K3/386H05K2201/0145H05K2203/0271Y10S428/91Y10T428/31678Y10T428/31681Y10T428/31786Y10T428/31797
    • Disclosed are biaxially oriented polyester film produced from a polyester comprising: (1) diacid residues comprising at least 90 mole percent of terephthalic acid residues, naphthalenedicarboylic acid residues or combinations thereof; and (2) diol residues comprising at least 90 mole percent of 1,4-cyclohexanedimethanol residues; wherein the polyester comprises a total of 100 mole percent diacid residues and a total of 100 mole percent diol residues; wherein the polyester film is stretched at a ratio of about 2.5× to 3× in the machine direction (MD) and about 2.5× to 3× in the transverse direction (TD) at stretching temperatures between 90 and 1 10OC, wherein the stretched film is subsequently heat-set at an actual film temperature of from 260° C. to Tm, wherein Tm is the melting point of the polyester as measured by differential scanning calorimetry (DSC), while maintaining the dimensions of the stretched film, and wherein the biaxially oriented and heat-set polyester film undergoes not more than 3% shrinkage when immersed for 10 seconds in a solder bath preheated to 260° C. and exhibits a coefficient of thermal expansion value of 10–85 ppm/° C. when measured between 120 and 150° C., and a coefficient of thermal expansion value of 10–42 ppm/° C. when measured between 25 and 90° C.
    • 公开了由聚酯制成的双轴取向聚酯膜,包括:(1)包含至少90摩尔%的对苯二甲酸残基,萘二羧酸残基或其组合的二酸残基; 和(2)包含至少90摩尔%的1,4-环己烷二甲醇残基的二醇残基; 其中所述聚酯包含总共100摩尔%的二酸残基和总共100摩尔%的二醇残基; 其中所述聚酯膜在纵向(MD)上以约2.5×3×3的比例和在90〜110℃的拉伸温度下在横向(TD)上约2.5×3×3的比例拉伸,其中所述拉伸膜随后 在260℃的实际膜温度下对Tm进行热固化,其中Tm是通过差示扫描量热法(DSC)测量的聚酯的熔点,同时保持拉伸膜的尺寸,并且其中双轴取向 并且在预热到260℃的焊料浴中浸渍10秒钟时,热固性聚酯膜的收缩率不超过3%,并且当在120℃和120℃之间测量时,其热膨胀系数为10-85ppm /℃ 150℃,当在25和90℃之间测量时,热膨胀系数为10-42ppm /℃。