Foundry core composition of aggregate and a binder therefor
    3.
    发明授权
    Foundry core composition of aggregate and a binder therefor 失效
    骨料的芯体组成及其粘合剂

    公开(公告)号:US4172068A

    公开(公告)日:1979-10-23

    申请号:US927700

    申请日:1978-07-24

    IPC分类号: B22C1/22 C08K5/06 C08K3/36

    CPC分类号: B22C1/2273 C08K5/06

    摘要: A foundry core composition of foundry aggregate, a polyol component or mixture thereof, a polyisocyanate, and as a selected solvent therefor, an acetal or ketal such as butyl acetal. The compositions are suitable for use in cold box, no-bake, and rapid no-bake processes.

    摘要翻译: 铸造组合物的铸造芯组合物,多元醇组分或其混合物,多异氰酸酯及其选择的溶剂,缩醛或缩酮如丁缩醛。 该组合物适用于冷箱,无烘烤和快速无烘烤过程。

    Cold set phenol-formaldehyde resin
    7.
    发明授权
    Cold set phenol-formaldehyde resin 失效
    冷定型酚醛树脂

    公开(公告)号:US4311619A

    公开(公告)日:1982-01-19

    申请号:US139304

    申请日:1980-04-14

    IPC分类号: B22C1/22 C08G8/04 C08G8/10

    CPC分类号: C08G8/04 B22C1/2253

    摘要: A phenol-aldehyde resin useful in such applications as a cold-set binder for cores and molds used in the foundry industry and reactive prepolymers used in reaction injection molding compositions produced by the steps of reacting a phenol and aldehyde in a mole ratio of 1 to 1-2.3 in the presence of catalytic amounts of an organic compound of aluminum, zirconium or titanium.

    摘要翻译: 可用于铸造工业中使用的用于芯和模具的冷定型粘合剂和反应性注射成型组合物中使用的反应性预聚物的酚醛树脂,其通过以下步骤制备:将酚和醛以摩尔比1与 1-2.3在催化量的铝,锆或钛的有机化合物的存在下进行。

    Foundry mold and core composition
    8.
    发明授权
    Foundry mold and core composition 失效
    铸造模具和核心组成

    公开(公告)号:US4522651A

    公开(公告)日:1985-06-11

    申请号:US342313

    申请日:1982-01-25

    IPC分类号: B22C1/18 B28B7/34

    CPC分类号: B22C1/185

    摘要: A combination of foundry aggregate, binder and hardener for the foundry aggregate wherein a linear metal polyphosphate or ammonium polyphosphate is used as the binder, and the hardener is phosphoric acid or a mixture of phosphoric acid and a source of polyvalent metal cations.

    摘要翻译: 用于铸造用聚集体的铸造骨料,粘合剂和硬化剂的组合物,其中使用线性金属多磷酸盐或多磷酸铵作为粘合剂,并且固化剂是磷酸或磷酸和多价金属阳离子源的混合物。

    Process for preparing sand cores and molds
    9.
    发明授权
    Process for preparing sand cores and molds 失效
    砂芯和模具的制备工艺

    公开(公告)号:US4484616A

    公开(公告)日:1984-11-27

    申请号:US342307

    申请日:1982-01-25

    IPC分类号: B22C1/24 B22C1/00 B22C1/16

    CPC分类号: B22C1/24

    摘要: An improved process for preparing foundry cores and molds using a foundry aggregate and a binder therefor wherein the aggregate is mixed with an aqueous suspension of cereal flour and then with a core oil, the improvement comprising mixing the aggregate with phosphoric acid or sulfuric acid before mixing with the aqueous suspension of the cereal flour.

    摘要翻译: 一种用于使用铸造骨料及其粘合剂制备铸造芯和模具的改进方法,其中将骨料与谷物粉的水性悬浮液,然后与芯油混合,改进包括在混合之前将骨料与磷酸或硫酸混合 与谷物粉的水性悬浮液。

    Process for preparing sand cores and molds
    10.
    发明授权
    Process for preparing sand cores and molds 失效
    砂芯和模具的制备工艺

    公开(公告)号:US4465116A

    公开(公告)日:1984-08-14

    申请号:US512835

    申请日:1983-07-11

    申请人: John F. Kraemer

    发明人: John F. Kraemer

    IPC分类号: B22C1/20 B22C9/00

    CPC分类号: B22C1/20

    摘要: In combination, a binder for a foundry aggregate and a hardener therefor, as the binder, polyvinylammonium phosphate and, as the hardener, a linear alkali polyphosphate, ammonium polyphosphate, a source of polyvalent metal cations, orthophosphoric acid, or mixtures thereof.

    摘要翻译: 作为粘合剂,作为粘合剂的聚乙烯基磷酸铵和作为硬化剂的作为固化剂的线型多磷酸铵,多磷酸铵,多价金属阳离子源,正磷酸或其混合物,可以组合使用用于铸造骨料的粘合剂及其固化剂。