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Process for scratch healing of motion picture films

机译:电影胶片划痕修复的方法

摘要

A process is described for healing scratches on the base side of an imaged motion picture film element comprising a polymeric film base having one or more image layers on one side thereof, the process comprising applying an aqueous coating formulation comprised of an aqueous dispersion of a polyurethane to the scratched base side of the motion picture film element, and drying the applied coating formulation to form a polyurethane layer, wherein the polyurethane comprises an aliphatic polyurethane which has a Young's modulus at 100% elongation to break of less than 4000 psi and a Sward hardness value of at least 60. Scratch healing formulations employed in accordance with the invention provide coated layers with superior resistance to blocking, cleaning solvents, and abrasion, and which are more flexible, dry faster, and are more effective in hiding minor scratches than that disclosed in the prior art.
机译:描述了一种用于在成像的电影胶片元件的基面上修复划痕的方法,该成像的电影胶片元件包括在其一侧上具有一个或多个图像层的聚合物膜基片,该方法包括施加由聚氨酯的水分散体组成的水性涂料制剂涂到电影胶片元件刮擦的底面上,并干燥涂布的涂料配方以形成聚氨酯层,其中聚氨酯包含脂肪族聚氨酯,该脂肪族聚氨酯在100%断裂伸长率下的杨氏模量小于4000 psi,并且具有Sward硬度值至少为60。根据本发明使用的划痕修复配方可为涂层提供优异的抗粘连性,清洁溶剂性和耐磨性,并且比起涂层,它们具有更高的柔韧性,更快的干燥速度和更小的遮盖力。在现有技术中公开的。

著录项

  • 公开/公告号US6551766B1

    专利类型

  • 公开/公告日2003-04-22

    原文格式PDF

  • 申请/专利权人 EASTMAN KODAK COMPANY;

    申请/专利号US20020107703

  • 发明设计人 LUBA KORDOVSKI;THOMAS M. SMITH;

    申请日2002-03-27

  • 分类号G03C110/60;G03C110/80;

  • 国家 US

  • 入库时间 2022-08-22 00:06:19

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