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    • 12. 发明授权
    • Process for the preparation of polyurea greases
    • 聚脲润滑脂的制备工艺
    • US5314982A
    • 1994-05-24
    • US945867
    • 1992-09-17
    • Christian RaspRalf TimmermannHermann PerreyBernhard LehmannSiegfried Kussi
    • Christian RaspRalf TimmermannHermann PerreyBernhard LehmannSiegfried Kussi
    • C08G18/32C10M119/24C10N20/06C10N50/10C10N70/00C08G18/08
    • C08G18/3228C08G18/2865C10M119/24C10M2217/042C10M2217/043C10N2220/02
    • The invention relates to a new three-part process, which can also be employed on a large industrial scale, for the preparation of polyurea lubricating greases, which is characterised(a) in that polyureas which carry oleophilic groups are prepared by reaction of diisocyanates with amines either in the absence of a solvent on a reaction screw at 80.degree.-120.degree. C., preferably at 85.degree.-95.degree. C., (variant A) or in a toluene medium at 20.degree.-80.degree. C., preferably at 30.degree.-60.degree. C., (variant B),(b) in that, after complete reaction, the polyureas prepared according to (a) are ground in the solid, dry state to give powders (at least 70% by weight of the powder having particle sizes of about 100-400.mu.) and(c) in that the ground crude product, after being made into a "paste" (wetted) at elevated temperature in the base oil employed (10-30 minutes at 140.degree.-180.degree. C.) and cooled again to room temperature, is processed to a grease by complete homogenisation--if appropriate in several passes--in a high-pressure homogeniser under a pressure of 400-1,500 bar (spontaneous heating occurring up to about 100.degree. C.),greases having readily reproducible and essentially the same properties as in the case of the previously customary in situ manufacture being produced.
    • 本发明涉及一种新的三部分方法,其也可用于大型工业规模,用于制备聚脲润滑脂,其特征在于(a)通过二异氰酸酯与二异氰酸酯反应制备携带亲油基团的聚脲 在80°-120℃,优选85℃-95℃,(变体A)或在20-80℃的甲苯介质中,在反应螺杆上不存在溶剂的胺,优选 在30°-60℃,(变体B),(b),完全反应后,根据(a)制备的聚脲在固体,干燥状态下研磨,得到粉末(至少70重量% 的颗粒大小为100-400微米的粉末)和(c)因为所研磨的粗产物在所用基础油中在升高的温度下制成“糊”(润湿)(在140℃下10-30分钟 DEG-180℃),并再次冷却至室温,通过完全均化(如果合适的话)在几种情况下加工成润滑脂 在400-1,500巴的压力(自发加热直到约100℃)下进入高压均化器,具有与先前常规原位制造情况相同的容易重复性和基本上相同性质的润滑脂 生产。
    • 17. 发明授权
    • Dyestuff salts
    • 染料盐
    • US4115379A
    • 1978-09-19
    • US711143
    • 1976-08-03
    • Hermann PerreyKarlheinz WolfErich EimersKonrad NonnReinhold Hornle
    • Hermann PerreyKarlheinz WolfErich EimersKonrad NonnReinhold Hornle
    • C09B46/00C09B67/24C09B69/04D06P1/39C09B29/22
    • C09B67/0072C09B69/04
    • Anionic dyestuffs which contain, as the cation an ammonium ion of the formula ##STR1## wherein R.sub.1 and R.sub.2 independently of one another denote hydrogen, C.sub.1 -C.sub.6 -alkyl which is optionally substituted by hydroxyl, cyclopentyl, cyclohexyl or phenyl, naphthyl or benzyl which are optionally substituted by halogen, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy, or one of the radicals --(CH.sub.2 --X--O).sub.n --H, [-alkylene-N (R.sub.3 --].sub.P --R.sub.3 or -arylene-N (R.sub.3)--(CH.sub.2 --X--O).sub.n --H or denotes, together with the nitrogen atom, a 5-membered to 7-membered heterocyclic radical,R.sub.3 denotes hydrogen, C.sub.1 -C.sub.6 -alkyl which is optionally substituted by OH, cyclopentyl, cyclohexyl or phenyl, naphthyl or benzyl which are optionally substituted by halogen, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy, or the radical --(CH.sub.2 --X--O).sub.n --H,X represents ##STR2## n represents the numbers 1-10, preferably 1-5, and P REPRESENTS THE NUMBERS 1-4Are readily soluble in water.
    • 作为阳离子含有式(I)的铵离子的阴离子染料,其中R1和R2彼此独立地表示氢,任选被羟基,环戊基,环己基或苯基取代的C 1 -C 6 - 烷基,萘基 或任选被卤素,C 1 -C 4 - 烷基或C 1 -C 4 - 烷氧基取代的苄基,或基团 - (CH 2 -XO)n H,[ - 亚烷基-N(R 3 - )P -R 3或 - 亚芳基 - N(R3) - (CH2-XO)nH或与氮原子一起表示5元至7元杂环基,R 3表示氢,任选被OH取代的C 1 -C 6烷基,环戊基,环己基 或任选被卤素,C 1 -C 4 - 烷基或C 1 -C 4 - 烷氧基取代的苯基,萘基或苄基,或基团 - (CH 2 -XO)n H,X表示数字1-10,优选 1-5,和P代表数字1-4在水中是易读的。