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    • 34. 发明授权
    • Fluorocarbon-based coating compositions and articles derived therefrom
    • 氟碳基涂料组合物及其衍生物
    • US5306758A
    • 1994-04-26
    • US67634
    • 1993-05-26
    • Mark J. Pellerite
    • Mark J. Pellerite
    • C08G65/00C09D5/20C09D171/00C09D171/02C09D171/08C09J7/02C08J5/10C08K5/06C08L71/00
    • C09J7/0228C08G65/007C09D171/02C09J2205/114C09J2427/005C09J2471/005Y10T428/1429Y10T428/2839Y10T428/2848Y10T428/2852Y10T428/3154Y10T428/31544Y10T428/31663
    • Curable, crosslinkable compositions and coatings prepared therefrom that can be used to form low-surface energy liners that can be used with aggressive pressure-sensitive adhesives, such as adhesives formed from silicone resins. The release characteristics of these coatings do not diminish upon aging and do not adversely affect the readhesion properties of adhesives that have-come in contact with the coatings. The invention further provides substrates bearing a layer of the composition of the invention. These coated substrates are particularly suitable for release liners, especially differential release liners and low-adhesion backsizes for pressure-sensitive adhesive tapes and sheet materials, especially for pressure-sensitive adhesives derived from silicone resins. Because the coatings of this invention can have more than 50% by weight inert oils without significantly reducing the readhesion of adhesives removed from them, they provide an economic advantage over those coatings prepared by using only the more expensive reactive group-containing polyfluoropolyethers.
    • 可固化的可交联组合物和由其制备的涂层可用于形成低表面能量衬垫,其可与侵蚀性压敏粘合剂(例如由硅树脂形成的粘合剂)一起使用。 这些涂层的释放特性在老化时不会降低,并且不会对与涂层接触的粘合剂的再粘合性产生不利影响。 本发明还提供了具有本发明组合物层的基底。 这些涂覆的基材特别适用于剥离衬垫,特别是差示剥离衬垫和用于压敏粘合带和片材的低粘合性背面,特别适用于衍生自硅树脂的压敏粘合剂。 因为本发明的涂料可以具有超过50重量%的惰性油,而不会显着降低从其中除去的粘合剂的再粘着,所以与仅使用更昂贵的含有反应性基团的多氟聚醚制备的那些涂料相比,它们具有经济优势。