Furan polymer impregnated wood
    2.
    发明申请
    Furan polymer impregnated wood 有权
    呋喃聚合物浸渍木材

    公开(公告)号:US20060292366A1

    公开(公告)日:2006-12-28

    申请号:US10522165

    申请日:2003-07-21

    申请人: Marc Schneider

    发明人: Marc Schneider

    IPC分类号: B32B19/00

    摘要: A furan polymer impregnated wood which comprises wood impregnated with a polymerizable furfuryl alcohol monomer mixture containing at least water and furfuryl alcohol, and an initiator selected from the group consisting of anhydrides, acids and combinations thereof is described. For longer storage life, the mixture contains a stabilizer selected from sodium carbonate, sodium bicarbonate, sodium citrate, phosphates and water-soluble lignin derivatives such as calcium and ammonium salts of lignosulfonic acids, and combinations thereof. A method for preparing a furan impregnated wood and uses thereof is also described.

    摘要翻译: 描述了呋喃聚合物浸渍木材,其包含浸渍有至少含有水和糠醇的可聚合糠醇单体混合物的木材,以及选自酸酐,酸及其组合的引发剂。 为了更长的储存寿命,混合物含有选自碳酸钠,碳酸氢钠,柠檬酸钠,磷酸盐和水溶性木质素衍生物如木质素磺酸的钙和铵盐的稳定剂及其组合。 还描述了制备呋喃浸渍木材的方法及其用途。

    Formulation for creating a pliable resin plug
    3.
    发明授权
    Formulation for creating a pliable resin plug 失效
    用于制造柔韧树脂塞的配方

    公开(公告)号:US5712314A

    公开(公告)日:1998-01-27

    申请号:US695388

    申请日:1996-08-09

    CPC分类号: C09K8/5751 C08L71/14

    摘要: A resin composition useful in well completion and remedial methods having improved flexibility upon setting or curing is disclosed. The resin composition includes a polymerizable resin, an oil soluble acid catalyst capable of causing polymerization of the resin at formation temperatures, and 10 to 70% by volume rubber. The rubber may be in the form of ground rubber or an aqueous dispersion or emulsion. Also disclosed are methods for the use of the resin composition in well completion and remediation.

    摘要翻译: 公开了一种用于完井的树脂组合物和具有改进的固化和固化柔性的补救方法。 树脂组合物包括可聚合树脂,能够在形成温度下使树脂聚合的油溶性酸催化剂和10至70体积%的橡胶。 橡胶可以是磨碎橡胶或水分散体或乳液的形式。 还公开了在完成和修复中使用树脂组合物的方法。

    Acid-curable compositions comprising mixtures of furan and epoxy resins
and use in preparing formed, shaped, filled bodies
    4.
    发明授权
    Acid-curable compositions comprising mixtures of furan and epoxy resins and use in preparing formed, shaped, filled bodies 失效
    包含呋喃和环氧树脂的混合物的酸可固化组合物,用于制备形成的,成形的填充体

    公开(公告)号:US4761441A

    公开(公告)日:1988-08-02

    申请号:US750891

    申请日:1985-07-01

    申请人: Wayne D. Woodson

    发明人: Wayne D. Woodson

    CPC分类号: C08L63/00 C08L61/00 C08L71/14

    摘要: Acid-curable resin compositions are described which comprise a mixture of a furan resin and a minor amount of an acid-curable epoxy resin. The acid-curable resin compositions may contain other components such as catalysts, solid particulate materials, etc. The procedures for curing such acid-curable resin compositions as well as methods for forming shaped, filled bodies such as sand cores and molds also are described. Sand cores and molds produced in accordance with the method of the invention exhibit good compression strength, good chemical resistance and increase resistance to stress cracking.

    摘要翻译: 描述了包含呋喃树脂和少量可酸固化环氧树脂的混合物的酸可固化树脂组合物。 酸固化树脂组合物可以含有其它成分如催化剂,固体颗粒材料等。用于固化这种酸固化树脂组合物的方法以及用于形成诸如砂芯和模具的成形填充体的方法也被描述。 根据本发明方法生产的砂芯和模具表现出良好的抗压强度,良好的耐化学性和增加的抗应力开裂性。

    Catalyst for increasing the tensile strength and core hardness of a sand
mold or core
    6.
    发明授权
    Catalyst for increasing the tensile strength and core hardness of a sand mold or core 失效
    用于提高砂模或芯的抗拉强度和芯硬度的催化剂

    公开(公告)号:US4215012A

    公开(公告)日:1980-07-29

    申请号:US891137

    申请日:1978-03-28

    CPC分类号: C08L71/14 B22C1/2233 C08K5/11

    摘要: The tensile strength and core hardness of a sand mold or core is increased by incorporating into a mixture of a thermosetting acid-hardenable resin and sand, a dialkyl ester of the formula:R.sub.1 OOC(CH.sub.2).sub.n COOR.sub.2wherein R.sub.1 and R.sub.2, which may be the same or different, are selected from alkyl of 1 to 20 carbon atoms and n is 2, 3 or 4. The ester may be added directly to the resin or sand, or in conjunction with the acid catalyst. Ferric chloride together with the dialkyl ester provides a sulfur-free catalyst for polymerization of the resin.

    摘要翻译: 砂模或芯的拉伸强度和芯硬度通过掺入热固性酸可硬化树脂和沙子的混合物而增加,后者是下式的二烷基酯:R1OOC(CH2)nCOOR2,其中R1和R2可以是 相同或不同,选自1至20个碳原子的烷基,n为2,3或4.该酯可直接加入到树脂或砂中,或与酸催化剂结合。 氯化铁与二烷基酯一起提供了一种用于树脂聚合的无硫催化剂。