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    • 8. 发明授权
    • Improving adhesion of acrylate resins
    • 提高丙烯酸酯树脂的粘合力
    • US06500878B1
    • 2002-12-31
    • US09619140
    • 2000-07-18
    • Wolfgang ReichPeter EnenkelEdmund KeilMatthias LokaiErich BeckKlaus Menzel
    • Wolfgang ReichPeter EnenkelEdmund KeilMatthias LokaiErich BeckKlaus Menzel
    • C08J328
    • C09D163/00C08L63/00C09D133/062G03F7/085C08L2666/04C08L2666/14
    • In a process for improving the adhesive strength of radiation-cured films of acrylate resins which comprise compounds having at least one amine group and at least one unsaturated acrylate group and, in particular, an amino-modified acrylate resin having a molecular weight Mn of at least 300, on substrates, the acrylate resins are admixed with amine-hardenable polyepoxides having an epoxide value of from 1 to 15 mol/kg such as polyglycidyl esters or polyglycidyl ethers. Preferred curable mixtures of amine-modified acrylate resins with polyepoxides have amine numbers of from 1 to 250 mg KOH/g and epoxide values of from 0.1 to 4 mol/kg. The mixtures applied as coating films to metal substrates or plastics substrates, in particular, are radiation-cured with, e.g., UV light and an at least partial amine hardening of the polyepoxide compounds in the mixture is conducted by thermal conditioning at, e.g., from 50 to 120° C.
    • 在改进丙烯酸酯树脂的辐射固化膜的粘合强度的方法中,该方法包括具有至少一个胺基和至少一个不饱和丙烯酸酯基的化合物,特别是分子量为Mn的氨基改性丙烯酸酯树脂 至少300个,在基材上,丙烯酸酯树脂与环氧化物值为1至15mol / kg的胺可硬化聚环氧化物混合,例如聚缩水甘油酯或多缩水甘油醚。 胺改性丙烯酸酯树脂与聚环氧化物的优选可固化混合物具有1至250mg KOH / g的胺值和0.1至4mol / kg的环氧化物值。 特别是作为涂膜施加到金属基材或塑料基材上的混合物,例如用UV光进行辐射固化,并且混合物中聚环氧化物化合物的至少部分胺硬化通过热调节进行,例如从 50〜120℃