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    • 6. 发明申请
    • EPOXY RESIN COMPOSITIONS
    • 环氧树脂组合物
    • WO2011071745A1
    • 2011-06-16
    • PCT/US2010/058695
    • 2010-12-02
    • DOW GLOBAL TECHNOLOGIES LLCMARKS, Maurice, J.
    • MARKS, Maurice, J.
    • C08G65/22C08L63/00
    • C08G65/223C08G59/245C08L63/00C08L2666/22
    • An epoxy resin composition including a divinylarene dioxide, for example a divinylbenzene dioxide, wherein the divinylarene dioxide has an impurity concentration of less than about 15 weight percent styrenic impurities such as ethylstyrene. Such prepared divinylarene dioxides may be used to prepare curable epoxy resin compositions or formulations, including a blend of a divinylarene dioxide and at least another epoxy resin different from the divinylarene dioxide; and a curable epoxy resin composition including (i) the blend of epoxy resins of the divinylarene dioxide and the at least one epoxy resin different from the divinylarene dioxide; (ii) at least one curing agent; and (iii) optionally, at least one catalyst. The significantly lower concentration of styrenic impurities in the divinylarene dioxides of the present invention provides an epoxy resin composition having low viscosity, better storage stability, and better thermal stability.
    • 包含二乙烯基芳烃二氧化物,例如二乙烯基二氧化苯的环氧树脂组合物,其中二乙烯基芳烃二氧化物的杂质浓度小于约15重量%的苯乙烯杂质如乙基苯乙烯。 这种制备的二乙烯基芳烃二氧化物可用于制备可固化环氧树脂组合物或制剂,包括二乙烯基芳烃二氧化物和至少另一种不同于二乙烯基芳烃二氧化物的环氧树脂的共混物; 和可固化环氧树脂组合物,其包含(i)二乙烯基芳烃二氧化物的环氧树脂与至少一种不同于二乙烯基芳烃二氧化物的环氧树脂的共混物; (ii)至少一种固化剂; 和(iii)任选的至少一种催化剂。 本发明的二乙烯基芳烃二氧化物中苯乙烯杂质的浓度显着降低,提供了具有低粘度,更好的储存稳定性和更好的热稳定性的环氧树脂组合物。
    • 9. 发明申请
    • POLYOXAZOLIDONE RESINS
    • 聚氧杂环己烷树脂
    • WO2011059633A2
    • 2011-05-19
    • PCT/US2010/052767
    • 2010-10-15
    • DOW GLOBAL TECHNOLOGIES LLCMARKS, Maurice, J.
    • MARKS, Maurice, J.
    • C08G59/02
    • C08G59/02C08G18/003C08G59/26C08G59/28
    • An epoxy oxazolidone including the reaction product of (a) a divinylarene dioxide, and (b) an excess of a polyisocyanate to provide an epoxy oxazolidone composition; wherein the composition has an oxazolidone selectivity of greater than 40 % relative to the total of the carbonyl compounds; a process for making the epoxy oxazolidone; and a curable epoxy resin composition including (i) the epoxy oxazolidone derived from a divinylarene dioxide such as divinylbenzene dioxide (DVBDO) and a polyisocyanate, (ii) at least one curing agent; and/or (iii) a catalyst. The cured product made from the above epoxy resin composition is thermally stable and offers improved properties such as a lower viscosity and a high heat resistance compared to known cured products prepared from known epoxy resins.
    • 包括(a)二乙烯基芳烃二氧化物的反应产物和(b)过量的多异氰酸酯的环氧恶唑烷酮,以提供环氧恶唑烷酮组合物; 其中所述组合物相对于羰基化合物的总量具有大于40%的恶唑烷酮选择性; 制备环氧恶唑烷酮的方法; 和可固化的环氧树脂组合物,其包含(i)衍生自二乙烯基芳烃二氧化物的环氧恶唑烷酮如二乙烯基二氧化物(DVBDO)和多异氰酸酯,(ii)至少一种固化剂; 和/或(iii)催化剂。 由上述环氧树脂组合物制成的固化产物与已知的已知环氧树脂制备的已知固化产物相比,是热稳定的,具有较低的粘度和较高的耐热性能。