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225 条记录 (耗时 0.022 秒)

    Liquid oligomers containing unsaturation
    71.
    发明授权
    Liquid oligomers containing unsaturation 失效
    含有不饱和键的液体低聚物

    公开(公告)号：US5945489A

    公开(公告)日：1999-08-31

    申请号：US933811

    申请日：1997-09-19

    申请人： Thomas M. Moy ,  Laurence Dammann ,  Roman Loza

    发明人： Thomas M. Moy ,  Laurence Dammann ,  Roman Loza

    IPC分类号： C08F2/50 ,  C08F290/06 ,  C08G16/00 ,  C08F22/14 ,  C08J3/28

    CPC分类号： C08F290/062 ,  C08G16/00

    摘要： The liquid oligomeric compositions of this invention are made by the Michael addition reaction of acetoacetate functional donor compounds with multifunctional acrylate receptor compounds where the equivalent ratios of multifunctional acrylate to acetoacetate vary from .gtoreq.1:1 to .gtoreq.13.2:1 depending on the functionality of both multifunctional acrylate and acetoacetate. Unuseable gelled or solid oligomer products occur below the claimed ranges. The liquid oligomers of this invention are further crosslinked to make coatings, laminates and adhesives.

    摘要翻译： 本发明的液体低聚组合物通过乙酰乙酸酯官能化供体化合物与多官能丙烯酸酯受体化合物的迈克尔加成反应制备，其中多官能丙烯酸酯与乙酰乙酸酯的当量比从> 1 = 1至> / = 13.2:1变化，这取决于 多功能丙烯酸酯和乙酰乙酸酯的功能。 不可使用的凝胶或固体低聚物产物低于所要求的范围。 本发明的液体低聚物进一步交联以制备涂料，层压材料和粘合剂。

    Amine cured foundry binder system and their uses
    73.
    发明授权
    Amine cured foundry binder system and their uses 失效
    胺固化铸造粘合剂体系及其用途

    公开(公告)号：US5880175A

    公开(公告)日：1999-03-09

    申请号：US811395

    申请日：1997-03-04

    申请人： James J. Archibald ,  Matthew S. Sheridan

    发明人： James J. Archibald ,  Matthew S. Sheridan

    IPC分类号： B22C1/22 ,  C08F20/20 ,  C08G18/58 ,  C08L33/06

    CPC分类号： B22C1/22

    摘要： The subject invention relates to a foundry binder system which cures in the presence of a volatile amine curing catalyst comprising (a) an epoxy resin,(b) an organic polyisocyanate, (c) a reactive unsaturated acrylic monomer or polymer, and (d) an oxidizing agent. The foundry binders are used for making foundry mixes. The foundry mixes are used to make foundry shapes which are used to make metal castings.

    摘要翻译： 本发明涉及一种在挥发性胺固化催化剂存在下固化的铸造粘合剂体系，其包含（a）环氧树脂，（b）有机多异氰酸酯，（c）反应性不饱和丙烯酸单体或聚合物，和（d） 氧化剂。 铸造粘合剂用于制造铸造混合物。 铸造混合物用于制造用于制造金属铸件的铸造形状。

    Amine modified polyisocyanates and their use in foundry binder systems
    74.
    发明授权
    Amine modified polyisocyanates and their use in foundry binder systems 失效
    胺改性多异氰酸酯及其在铸造粘合剂体系中的应用

    公开(公告)号：US5880174A

    公开(公告)日：1999-03-09

    申请号：US743766

    申请日：1996-11-07

    申请人： Rina Singh ,  Laurence G. Dammann

    发明人： Rina Singh ,  Laurence G. Dammann

    IPC分类号： B22C1/22 ,  C08G18/28 ,  C08G18/54 ,  C08G18/72 ,  C08J3/00 ,  C08K3/20 ,  C08L75/00

    CPC分类号： B22C1/2273 ,  C08G18/2865 ,  C08G18/542 ,  C08G18/725

    摘要： The invention relates to amine modified polyisocyanates having urea linkages and their use in foundry binder systems. The modified polyisocyanates are prepared by reacting a polyisocyanate with an aliphatic primary or secondary amine. These amine modified polyisocyanates, along with a phenolic resole resin, are added to a foundry aggregate to form a foundry mix which is shaped and cured with an amine curing catalyst.

    摘要翻译： 本发明涉及具有脲键的胺改性多异氰酸酯及其在铸造粘合剂体系中的用途。 改性的多异氰酸酯是通过使多异氰酸酯与脂族伯胺或仲胺反应来制备的。 将这些胺改性的多异氰酸酯与酚醛树脂树脂一起加入到铸造集料中以形成用胺固化催化剂成型和固化的铸造混合物。

    Use of bisphenol a tar in furan no-bake foundry binders
    75.
    发明授权
    Use of bisphenol a tar in furan no-bake foundry binders 失效
    在呋喃无烘烤铸造粘合剂中使用双酚焦油

    公开(公告)号：US5856375A

    公开(公告)日：1999-01-05

    申请号：US583178

    申请日：1996-01-04

    申请人： Ken K. Chang ,  Michael C. Clingerman ,  Michelle L. Lott ,  James T. Schneider

    发明人： Ken K. Chang ,  Michael C. Clingerman ,  Michelle L. Lott ,  James T. Schneider

    IPC分类号： B22C1/22

    CPC分类号： B22C1/224

    摘要： Broadly, the present invention relates to furan no-bake foundry binders where bisphenol A tar (BPAT) is used to replace a portion of the furfuryl alcohol and any conventional filler optionally included in for binder formulation. Reduction in the amount of furfuryl alcohol in the foundry binder formulation may lead to a reduction in the cost and an improvement in early strength of these formulations. Accordingly, in a furan no-bake foundry binder of a resin derived from a major proportion of furfuryl alcohol and optionally fillers, the improvement which comprises at least a fraction of said furfuryl alcohol being bisphenol A tar. Bisphenol A tar also can replace at least a fraction of any filler included in the binder formulation.

    摘要翻译： 广义上，本发明涉及呋喃无烘烤铸造粘合剂，其中使用双酚A焦油（BPAT）来代替一部分糠醇，以及任选地包括在粘合剂制剂中的任何常规填料。 铸造粘合剂制剂中糠醇的量的减少可导致成本的降低和这些制剂的早期强度的改善。 因此，在主要比例的糠醇和任选的填料的呋喃无烘烤铸造粘结剂中，至少包含一部分所述糠醇为双酚A焦油的改进。 双酚A焦油还可以替代粘合剂制剂中包含的任何填料的至少一部分。

    Hydrocarbon analysis and control by raman spectroscopy
    78.
    发明授权
    Hydrocarbon analysis and control by raman spectroscopy 失效
    通过拉曼光谱分析和控制碳氢化合物

    公开(公告)号：US5684580A

    公开(公告)日：1997-11-04

    申请号：US432559

    申请日：1995-05-01

    申请人： John B. Cooper ,  Philip E. Flecher, Jr. ,  William T. Welch

    发明人： John B. Cooper ,  Philip E. Flecher, Jr. ,  William T. Welch

    IPC分类号： G01N21/65 ,  G01N33/28

    CPC分类号： G01N33/2835 ,  G01N21/65

    摘要： Benzene and substituted aromatic hydrocarbons can be predicted within .+-.0.31% vol or better, using Raman NIR spectroscopy and multivariate analysis, with optional fiberoptics multistreaming, preferably with Partial Least Squares regression analysis. The resulting signal can be used to control concentration of such compounds in product to desired levels.

    摘要翻译： 使用拉曼近红外光谱和多变量分析，可以预测苯和取代的芳烃在+/- 0.31％vol或更好的范围内，可选的光纤多流，优选采用部分最小二乘回归分析。 所得到的信号可以用于控制产品中这些化合物的浓度达到所需的水平。