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    • 1. 发明申请
    • LIQUID PHOTOCURABLE COMPOSITIONS
    • 液体光电组合物
    • WO1996028763A1
    • 1996-09-19
    • PCT/GB1996000518
    • 1996-03-06
    • ZENECA LIMITEDPOPAT, Ajay, HaridasLAWSON, John, Robert
    • ZENECA LIMITED
    • G03F07/027
    • G03F7/0037B33Y70/00G03F7/027
    • This invention relates to a liquid composition comprising: a) 2 to 20 parts of a monomeric poly(meth)acrylate having a functionality of at least 3 and a MW of at least 650; b) 20 to 60 parts of a urethane(meth)acrylate having a functionality of 2 to 4 and a MW of 400 to 10,000; c) 20 to 80 parts of a monomeric or oligomeric di(meth)acrylate based on bisphenol A or bisphenol F; and d) 0.1 to 10 parts of a photoinitiator; wherein all parts are by weight and the total number of parts of a) + b) + c) + d) add up to 100. The compositions are suitable for the sterolithographic production of three-dimensional articles such as models of mechanical and body parts and are particularly notable for their low curl and shrinkage coupled with fast rate of cure.
    • 液体组合物本发明涉及一种液体组合物,其包含:a)2至20份官能度至少为3且MW至少为650的单体聚(甲基)丙烯酸酯; b)20〜60份官能度为2〜4,MW为400〜10,000的氨基甲酸酯(甲基)丙烯酸酯; c)20至80份基于双酚A或双酚F的单体或低聚二(甲基)丙烯酸酯; 和d)0.1至10份光引发剂; 其中所有份数均为重量百分比,并且a)+ b)+ c)+ d)的总数量加在100上。该组合物适用于三维制品的固体生产,例如机械和身体部位的模型 并且特别值得注意的是它们的低卷曲和收缩以及快速的固化速率。
    • 4. 发明申请
    • LIQUID PHOTOCURABLE COMPOSITIONS
    • 液体光电组合物
    • WO1996028762A1
    • 1996-09-19
    • PCT/GB1996000517
    • 1996-03-06
    • ZENECA LIMITEDPOPAT, Ajay, HaridasLAWSON, John, RobertMCLEAN, Colin, Henry
    • ZENECA LIMITED
    • G03F07/027
    • G03F7/0037G03F7/027
    • A liquid composition comprising: a) 5 to 25 parts of a monomeric aliphatic or cycloaliphatic di(meth)acrylate having a MW of not more than 800; b) 2 to 20 parts of a monomeric poly(meth)acrylate having a functionality of at least 3 and a MW of at least 610; c) 12 to 40 parts of a urethane(meth)acrylate having a functionality of 2 to 4 and a MW of 400 to 10,000; d) 35 to 70 parts of a monomeric or oligomeric di(meth)acrylate based on bisphenol A or bisphenol F; and e) 0.1 to 10 parts of a photoinitiator; wherein all parts are by weight, the total number of parts of a) + b) does not exceed 30 and the total number of parts of a) + b) + c) + d) + e) add up to 100. The compositions are suitable for the stereolighographic production of three-dimensional solid articles such as mechanical parts and models of body parts.
    • 一种液体组合物,其包含:a)5〜25份MW不大于800的单体脂族或脂环族二(甲基)丙烯酸酯; b)2至20份官能度至少为3且MW至少为610的单体聚(甲基)丙烯酸酯; c)12〜40份官能度为2〜4,MW为400〜10,000的氨基甲酸酯(甲基)丙烯酸酯; d)35〜70份基于双酚A或双酚F的单体或低聚二(甲基)丙烯酸酯; 和e)0.1至10份光引发剂; 其中所有部分都是重量比,a)+ b)的部分总数不超过30,a)+ b)+ c)+ d)+ e)的总数量加到100上。组合物 适用于三维固体制品如机械零件和车身部件型号的立体定向生产。