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    • 1. 发明申请
    • CURED UNSATURATED POLYESTERS GLYCOLYSIS FOR RECYCLE REACTANT
    • 固化不饱和聚酯树脂回收再利用
    • WO1994025517A1
    • 1994-11-10
    • PCT/US1994004864
    • 1994-05-03
    • ASHLAND OIL, INC.TUFTS, Timothy, A.TSAI, Chung-ChiehHUPP, Stephen, S.
    • ASHLAND OIL, INC.
    • C08J11/24
    • C08J11/24C08J11/06C08J2367/06Y02P20/582Y02W30/701Y02W30/706
    • The present invention is directed to a method for treating cross-linked (cured) filled or unfilled unsaturated polyester for deriving an alcohol recycle reactant useful in the synthesis of alcohol-formed derivative products. The first step of the method is the attrition of the cured unsaturated polyester to form particulates thereof. In the next step of the process, at least a fraction of any filler or fiberglass in the cured unsaturated polyester is separated to form a cured unsaturated polyester regrind. The next step is the subjecting of the cured unsaturated polyester regrind to agitated, uncatalyzed or catalyzed glycolysis in the presence of excess glycol and, optionally, a transesterification catalyst under agitation at elevated transesterification temperature. The final step of the process is the recovery of the recycle alcohol reactant for use in the synthesis of alcohol-formed derivative products. The glycolysis reaction is conducted under agitation in order to keep the cured unsaturated polyester regrind solids suspended during the glycolysis reaction. In this regard, establishment of shear conditions should aid in the glycolysis step of the process.
    • 本发明涉及一种用于处理交联(固化的)填充或未填充的不饱和聚酯以得到可用于合成醇形成的衍生产物的醇再循环反应物的方法。 该方法的第一步是固化的不饱和聚酯的磨损以形成其颗粒。 在该方法的下一步骤中,将固化的不饱和聚酯中的任何填料或玻璃纤维的至少一部分分离以形成固化的不饱和聚酯再研磨物。 下一步是在过量的二醇和任选的酯交换催化剂的搅拌下,在升高的酯交换温度下使经固化的不饱和聚酯再研磨物进行搅拌,未催化或催化的糖酵解。 该方法的最后一步是回收用于合成醇形成衍生产物的循环醇反应物。 在搅拌下进行糖酵解反应,以便在糖酵解反应期间保持固化的不饱和聚酯再研磨固体。 在这方面,剪切条件的建立应有助于该过程的糖酵解步骤。
    • 5. 发明申请
    • POLYURETHANE REACTION SYSTEM HAVING A BLOCKED CATALYST COMBINATION
    • 具有阻塞催化剂组合的聚氨酯反应体系
    • WO1995008579A1
    • 1995-03-30
    • PCT/US1994010512
    • 1994-09-19
    • ASHLAND OIL, INC.
    • ASHLAND OIL, INC.SCHOENER, Thomas, E.HOUSENICK, Jeffrey, B.
    • C08F08/30
    • C09J175/04C08G18/089C08G18/163
    • Disclosed is a polyol/polyisocyanate adhesive system having an isocyanate component and a catalyzed component which form a heat-cured composition when admixed and heated above a threshold temperature. The catalyzed component has a hydroxyl-functional component catalyzed with a catalyst combination of a heat-activatable amine or amine-like catalyst which is activated at temperatures above the threshold temperature, and an activatable complexed metal catalyst comprising the reaction product of tin or bismuth catalysts, or a mixture thereof, and a molar excess of a mercapto compound complexing agent. The catalyst combination is effective to maintain the processibility of the system at ambient temperatures while promoting the rapid cure of the system when heated above the threshold temperature.
    • 公开了具有异氰酸酯组分和催化组分的多元醇/多异氰酸酯粘合剂体系,其在高于阈值温度时混合并加热时形成热固化组合物。 催化的组分具有羟基官能组分,其催化剂组合是在高于阈值温度的温度下活化的可热激活的胺或类似胺的催化剂,以及可活化的复合金属催化剂,其包含锡或铋催化剂的反应产物 ,或其混合物,以及摩尔过量的巯基化合物络合剂。 催化剂组合对于保持体系在环境温度下的加工性是有效的,同时在加热超过阈值温度时促进系统的快速固化。
    • 7. 发明申请
    • ASSEMBLY OF FOUNDRY SHAPES
    • 基金会形成大会
    • WO1994023863A1
    • 1994-10-27
    • PCT/US1994003936
    • 1994-04-11
    • ASHLAND OIL, INC.
    • ASHLAND OIL, INC.TORDOFF, William, L.FU, Jiang
    • B22C07/02
    • B22C9/103B22C7/026B22C9/20
    • This invention relates to an assembly of foundry shapes and a process for making such assemblies of foundry shapes by contacting the foundry shapes with a substrate having a pressure sensitive adhesive on both sides of the substrate. The temperature of such molten metal for non ferrous metals is typically from 600 DEG C to 1000 DEG C while the temperature of ferrous metals is from 1200 DEG C to 1600 DEG C. One of the advantages of this process is that excess adhesive is not squeezed from between the foundry shapes when they are brought into contact with each other. Excess adhesive results in casting defects such as porosity and burn-on.
    • 本发明涉及铸造形状的组装以及通过使铸造形状与在基板的两侧具有压敏粘合剂的基底接触来制造铸造形状的组件的方法。 黑色金属的这种熔融金属的温度通常为600℃至1000℃,而黑色金属的温度为1200℃至1600℃。该方法的优点之一是不会挤压多余的粘合剂 当它们彼此接触时,从铸造件之间形成。 过多的粘合剂导致诸如孔隙率和老化的铸造缺陷。