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    • 1. 发明授权
    • Composition comprising alkyl esters of aliphatic (C.sub.8 -C.sub.22)
monocarboxylic acids and oil in water emulsifier
    • 包含脂肪族(C8-C22)一元羧酸的烷基酯和水包油乳化剂的组合物
    • US5380453A
    • 1995-01-10
    • US183959
    • 1994-01-21
    • Borge Krawack
    • Borge Krawack
    • B41N3/06C09D9/00C11D7/22C11D1/18C23D17/00
    • C09D9/00B41N3/06
    • A composition for removing ink from a printing machine, which composition comprises 50-99.75% by weight of a C.sub.1 -C.sub.5 alkyl ester of an aliphatic C.sub.8 -C.sub.22 monocarboxylic acid and mixtures thereof; and 0.25-10% by weight oil in water emulsifier. The composition preferably comprises less than 19 weight percent of combined alkanes, alkenes and C.sub.1 -C.sub.10 alkyl esters of fatty acids having 18 carbon atoms or less. The composition may contain vegetable oil in an amount of up to 15% by weight.The invention further comprises an emulsion for removing ink from a printing machine which comprises the forgoing composition emulsified in water in such amount that the water phase comprises up to 50% by weight of the emulsion, and combined emulsifier in an amount of 0.5-10% by weight of emulsion, at least 50% of said combined emulsifier being an oil in water emulsifier.
    • 用于从印刷机中除去油墨的组合物,该组合物包含50-99.75重量%的脂族C 8 -C 22单羧酸的C 1 -C 5烷基酯及其混合物; 和0.25-10%重量的水包油乳化剂。 该组合物优选包含少于19重量%的具有18个碳原子或更少碳原子的脂肪酸的组合的烷烃,烯烃和C1-C10烷基酯。 组合物可以含有至多15重量%的植物油。 本发明还包括用于从印刷机中除去油墨的乳液,其包括在水中乳化的上述组合物,其量使得水相包含至多50重量%的乳液,和组合的乳化剂的量为0.5-10重量% 的乳液,至少50%的所述组合乳化剂是水包油乳化剂。
    • 2. 发明授权
    • Use of (C.sub.1 -C.sub.5) alkyl esters of aliphatic (C.sub.8 -C.sub.22)
monocarboxylic acids for removing fat, inks and the like from printing
machines
    • 使用(C1-C5)烷基酯(C8-C22)单羧酸除去FAT,墨水和类似于印刷机器
    • US5143639A
    • 1992-09-01
    • US671807
    • 1991-03-26
    • Borge Krawack
    • Borge Krawack
    • B41N3/06C09D9/00C11D7/26C23G5/032
    • C09D9/00B41N3/06
    • Use of (C.sub.1 -C.sub.5) alkyl esters of aliphatic (C.sub.8 -C.sub.22) monocarboxylic acids for removing fat, inks and the like from printing apparatus, in particular from offset printing machines, and a cleaning agent for this, containing as its main component a (C.sub.1 -C.sub.5) alkyl ester of an aliphatic (C.sub.8 -C.sub.22) monocarboxylic acid or a mixture of such esters.The most suitable esters are methyl, ethyl or isopropyl esters or mixtures thereof, and particularly expedient is an ester mixture obtained by interesterification of an oleic acid containing oil or by esterification of an acid mixture having a corresponding composition.The ester or ester mixture may be admixed with up to 50% by weight of vegetable oil.Further, the ester or ester mixture or the mixture thereof with vegetable oil may be emulgated in water in such amount that the water phase comprises up to 50%, preferably 25-35% by weight of the emulsion using an emulsifier in an amount of 1-10%, preferably 3-5% by weight of the emulsion. In that case it is convenient to further add a corrosion inhibitor in an amount of up to 2%, preferably 0.5-1% by weight of the emulsion.These esters and mixtures are low viscosity substances which are excellent and quickly acting solvents for inks, etc. They are moreover biologically degradable, non-toxic and have a low vapor pressure so that they do not involve any risk for the environment.
    • PCT No.PCT / DK89 / 00222 Sec。 371日期1991年3月26日 102(e)日期1991年3月26日PCT提交1989年9月25日PCT公布。 第WO90 / 03419号公报 日本1990年04月5日。使用脂族(C 8 -C 22)一元羧酸的(C1-C5)烷基酯从印刷装置,特别是胶印机中除去脂肪,油墨等,以及用于该 ,其主要成分为脂肪族(C 8 -C 22)一元羧酸(C 1 -C 5)烷基酯或这些酯的混合物。 最合适的酯是甲基,乙基或异丙基酯或其混合物,特别有利的是通过含油酸油的酯交换或通过酯化具有相应组成的酸混合物获得的酯混合物。 酯或酯混合物可与至多50重量%的植物油混合。 此外,酯或酯混合物或其与植物油的混合物可以在水中被溶解,其量使得使用乳化剂的水相占该乳液的至多50重量%,优选25-35重量%,其量为1 -10%,优选3-5重量%的乳液。 在这种情况下,方便的是进一步添加至少达乳剂重量的2%,优选0.5-1%的量的防腐剂。 这些酯和混合物是用于油墨等的优异且快速作用的溶剂的低粘度物质。此外,它们是生物可降解的,无毒的并且具有低蒸气压,因此它们不会对环境造成任何风险。