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    • 5. 发明授权
    • Adhesion-promoting primer compositions for polyolefin substrates
    • 用于聚烯烃基材的粘合促进底漆组合物
    • US06310134B1
    • 2001-10-30
    • US09342181
    • 1999-06-29
    • Lisa Kay TempletonKevin Alan WilliamsRichard Leon McConnellMichael Alan Callahan
    • Lisa Kay TempletonKevin Alan WilliamsRichard Leon McConnellMichael Alan Callahan
    • C08F26704
    • C09D151/06C08F8/00C08F10/00
    • The invention relates to solvent-based primer compositions containing 0.5 to 40 weight percent of a modified polyolefin and a solvent selected from the group consisting of ester solvents, ketone solvents, aliphatic solvents, aromatic solvents and mixtures thereof. The modified polyolefin is formed from an amorphous polyolefin selected from polypropylene and a propylene copolymer or a propylene terpolymer or an ethylene copolymer or terpolymer. Preferably the polyolefin is a polypropylene copolymer or terpolymer containing about 1 to about 99 mole percent ethylene, 1-butene, 1-pentene, and 1-hexene. The amorphous polyolefin has a number average molecular weight ranging from about 1,000 to 15,000 and is chemically modified with one or more unsaturated carboxylic acids selected from the group consisting of acids, esters and anhydrides. These primers are useful for significantly improving the adhesion of paints to polyolefin surfaces.
    • 本发明涉及含有0.5-40重量%改性聚烯烃和选自酯溶剂,酮溶剂,脂族溶剂,芳族溶剂及其混合物的溶剂的溶剂型底漆组合物。 改性聚烯烃由选自聚丙烯和丙烯共聚物或丙烯三元共聚物或乙烯共聚物或三元共聚物的无定形聚烯烃形成。 优选地,聚烯烃是含有约1至约99摩尔%乙烯,1-丁烯,1-戊烯和1-己烯的聚丙烯共聚物或三元共聚物。 无定形聚烯烃的数均分子量为约1,000至15,000,并用一种​​或多种选自酸,酯和酸酐的不饱和羧酸进行化学改性。 这些底漆可用于显着改善涂料对聚烯烃表面的粘合性。