Dialkyl peroxide compound and process using such for initiating a chemical reaction
申请人:——
公开号:US20030225229A1
公开(公告)日:2003-12-04
Process for providing acrylic (co)polymers suitable for high solids coating applications, comprising the step of:
contacting under polymerizing conditions, the asymmetric, saturated peroxide compound tertiary-butyl-1,1,3,3 tetramethylbutyl peroxide (TBTMBP) with a polymerizable acrylate monomer, in which process the acrylate monomer is selected from the group consisting essentially of:
hydroxyalkyl acrylates and methacrylates including 2-hydroxyethyl acrylate, 2-hydroxypropyl acrylate, 2-hydroxybutyl acrylate, 2-hydroxyethyl methacrylate, 2-hydroxypropyl methacrylate, 2 hydroxybutyl methacrylate, 3 hydroxypropyl acrylate, 4-hydroxybutyl acrylate;
alkyl acrylate and methacrylates including methyl methacrylate, ethyl methacrylate, butyl methacrylate, isobutyl methacrylate, hexyl methacrylate, 2-ethylhexyl methacrylate, lauryl methacrylate, ethyl acrylate, propyl acrylate, isopropyl acrylate, butyl acrylate, isobutyl acrylate, hexyl acrylate, 2-ethylhexyl acrylate, lauryl acrylate, and styrene, para-methyl styrene, acrylic acid, methacrylic acid, or vinyl acetate.
提供适用于高固体份涂料应用的丙烯酸(共)聚合物的工艺,包括以下步骤
在聚合条件下,将不对称饱和过氧化物化合物叔丁基-1,1,3,3 四甲基丁基过氧化物(TBTMBP)与可聚合的丙烯酸酯单体接触,在该工艺中,丙烯酸酯单体主要选自以下组成的组别:
丙烯酸羟烷基酯和甲基丙烯酸酯,包括丙烯酸 2-羟乙基酯、丙烯酸 2-羟丙基酯、丙烯酸 2-羟丁基酯、甲基丙烯酸 2-羟乙基酯、甲基丙烯酸 2-羟丙基酯、甲基丙烯酸 2-羟丁基酯、丙烯酸 3-羟丙基酯、丙烯酸 4-羟丁基酯;
丙烯酸烷基酯和甲基丙烯酸酯,包括甲基丙烯酸甲酯、甲基丙烯酸乙酯、甲基丙烯酸丁酯、甲基丙烯酸异丁酯、甲基丙烯酸己酯、甲基丙烯酸 2-乙基己酯、甲基丙烯酸十二烷基酯、丙烯酸乙酯、丙烯酸丙酯、丙烯酸异丙酯、丙烯酸丁酯、丙烯酸异丁酯、丙烯酸己酯、丙烯酸 2-乙基己酯、丙烯酸月桂酯,以及苯乙烯、对甲基苯乙烯、丙烯酸、甲基丙烯酸或醋酸乙烯酯。