Antimony-containing C.sub.4 oxidation catalysts
    1.
    发明授权
    Antimony-containing C.sub.4 oxidation catalysts 失效
    含锑的C4氧化催化剂

    公开(公告)号:US4558029A

    公开(公告)日:1985-12-10

    申请号:US690823

    申请日:1985-01-11

    摘要: Compositions of the empirical formula:Mo.sub.12 P.sub.0.1-3 M.sub.0.1-3 Cu.sub.0.1-2 V.sub.0.1-2 Sb.sub.0.01-2 X.sub.0.01-2 Y.sub.a O.sub.x (I)whereM is at least one of K, Rb and Cs;X is at least one of Ba, La, Ga, Al, Ag, Cd, Ti, Tl, Hg, Pb and Zn;Y is at least one of Fe, Co, Ni, Sr, Mn, In, Ta, Ge, S and Be when a>0;a is a number of 0 to about 2; andx is a number that satisfies the valance requirements of the other elements present,are excellent catalysts for the oxidation of oxygenated C.sub.4 hydrocarbons, such as methacrolein, to methacrylic acid.

    摘要翻译: 经验公式的组成:Mo12P0.1-3M0.1-3Cu0.1-2V0.1-2Sb0.01-2X0.01-2YaOx(I)其中M是K,Rb和Cs中的至少一种; X是Ba,La,Ga,Al,Ag,Cd,Ti,Tl,Hg,Pb和Zn中的至少一种; 当a> 0时,Y是Fe,Co,Ni,Sr,Mn,In,Ta,Ge,S和Be中的至少一种; a是0到2的数; x是满足存在的其它元素的价值要求的数字,是将氧化的C 4烃如甲基丙烯醛氧化成甲基丙烯酸的优异催化剂。

    Catalytic reaction of acrolein and methacrolein with alcohols and glycols
    3.
    发明授权
    Catalytic reaction of acrolein and methacrolein with alcohols and glycols 失效
    丙烯醛和甲基丙烯醛与醇和二醇的催化反应

    公开(公告)号:US4499308A

    公开(公告)日:1985-02-12

    申请号:US557777

    申请日:1983-12-05

    摘要: Disclosed is the reaction acrolein or methacrolein with a mono- or dihydroxyalkane to produce a 3-alkoxypropionaldehyde or a 3-(hydroxyalkoxy)propionaldehyde in the case of acrolein; or to produce a 3-alkoxy-2-methylpropionaldehyde or a 3-(hydroxyalkoxy)-2-methylpropionaldehyde in the case of methacrolein, by contacting a mixture of the recited reactants with a particulate solid metallic catalyst comprising an alloy of palladium and cadmium.

    摘要翻译: 公开了在丙烯醛的情况下用丙烯醛或甲基丙烯醛与单 - 或二羟基烷烃反应生成3-烷氧基丙醛或3-(羟基烷氧基)丙醛的方法; 或在甲基丙烯醛的情况下通过使所述反应物的混合物与包含钯和镉合金的颗粒状固体金属催化剂接触来制备3-烷氧基-2-甲基丙醛或3-(羟基烷氧基)-2-甲基丙醛。