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    CHEMICAL ADDITIVE FOR GYPSUM PRODUCTS
    3.
    发明专利
    CHEMICAL ADDITIVE FOR GYPSUM PRODUCTS 未知

    公开(公告)号：ZA201404649B

    公开(公告)日：2015-12-23

    申请号：ZA201404649

    申请日：2014-06-24

    Applicant: SAINT-GOBAIN PLACO

    Inventor： SONG HAO ,  SHAO DONGXIAO ,  ZHANG KE ,  LI HUIFEN ,  GAO XIAOTONG

    Abstract: The present invention provides a gypsum composition, a gypsum board and their preparation method and the use of DHA as an anti-sagging additive in a gypsum product. Said gypsum board comprises set gypsum prepared from the composition; while said composition comprises gypsum, and an anti-deformation additive, wherein the anti-deformation additive comprises at least one selected from a group consisting of dehydroascorbic acid, dehydroascorbate and semidehydroascorbic acid. The set gypsum prepared from the said composition shows better anti-sagging or deformation resisting property. The gypsum product of the present invention is hardly distorted and has stronger stability even in the condition of high humidity, thus improve the quality of the gypsum product to meet the demands of the customer.

    CHEMICAL ADDITIVE FOR GYPSUM PRODUCTS
    5.
    发明专利
    CHEMICAL ADDITIVE FOR GYPSUM PRODUCTS 未知

    公开(公告)号：CA2842220C

    公开(公告)日：2016-03-29

    申请号：CA2842220

    申请日：2012-12-03

    Applicant: SAINT GOBAIN PLACO

    Inventor： GAO XIAOTONG ,  SHAO DONGXIAO ,  LI HUIFEN ,  SONG HAO ,  ZHANG KE

    IPC: C04B28/14 ,  B32B13/00 ,  B32B37/15 ,  C04B11/00 ,  C04B24/06

    Abstract: The present invention provides a gypsum composition, a gypsum board and their preparation method and the use of DHA as an anti-sagging additive in a gypsum product. Said gypsum board comprises set gypsum prepared from the composition; while said composition comprises gypsum, and an anti-deformation additive, wherein the anti-deformation additive comprises at least one selected from a group consisting of dehydroascorbic acid, dehydroascorbate and semidehydroascorbic acid. The set gypsum prepared from the said composition shows better anti-sagging or deformation resisting property. The gypsum product of the present invention is hardly distorted and has stronger stability even in the condition of high humidity, thus improve the quality of the gypsum product to meet the demands of the customer.

    ANTI-SAGGING GYPSUM PRODUCT AND A METHOD TO MANUFACTURE
    6.
    发明专利
    ANTI-SAGGING GYPSUM PRODUCT AND A METHOD TO MANUFACTURE 未知

    公开(公告)号：CA2842221C

    公开(公告)日：2016-03-22

    申请号：CA2842221

    申请日：2012-12-03

    Applicant: SAINT GOBAIN PLACO

    Inventor： GAO XIAOTONG ,  LI HUIFEN ,  SONG HAO ,  ZHANG KE

    IPC: C04B28/14 ,  B32B13/00 ,  B32B37/15 ,  C04B11/00 ,  C04B24/00

    Abstract: The present invention provides a composition, a gypsum board and their preparation method and the use of ascorbic acid as an anti-sagging additive in a gypsum board. Said gypsum board comprises set gypsum prepared from the composition; while said composition comprises hemi-hydrate gypsum, water and a compound comprising (see above formula) group and no carboxylate groups. The set gypsum prepared from the said composition shows better anti-sagging or deformation resisting property. The gypsum board of the present invention is hardly distorted and has stronger stability even in the condition of high humidity, thus improve the quality of the gypsum board to meet the demands of the customer.

    Chemical additive for gypsum products
    7.
    发明专利
    Chemical additive for gypsum products 未知

    公开(公告)号：AU2012387288A1

    公开(公告)日：2014-06-19

    申请号：AU2012387288

    申请日：2012-12-03

    Applicant: SAINT GOBAIN PLACO

    Inventor： GAO XIAOTONG ,  SHAO DONGXIAO ,  LI HUIFEN ,  SONG HAO ,  ZHANG KE

    IPC: C04B14/00

    Abstract: Unitalen Ref: OP1312-08-0767 Client Ref.: P2012/63-AU PCT_Original The present invention provides a gypsum composition, a gypsum board and their preparation method and the use of DHA as an anti-sagging additive in a gypsum product. Said gypsum board comprises set gypsum prepared from the composition; while said composition comprises gypsum, and an anti-deformation additive, wherein the anti-deformation additive comprises at least one selected from a group consisting of dehydroascorbic acid, dehydroascorbate and semidehydroascorbic acid. The set gypsum prepared from the said composition shows better anti-sagging or deformation resisting property. The gypsum product of the present invention is hardly distorted and has stronger stability even in the condition of high humidity, thus improve the quality of the gypsum product to meet the demands of the customer. -11-

    ADITIVO QUIMICO PARA PRODUCTOS DE YESO.
    8.
    发明专利
    ADITIVO QUIMICO PARA PRODUCTOS DE YESO. 未知

    公开(公告)号：MX2014013701A

    公开(公告)日：2015-09-07

    申请号：MX2014013701

    申请日：2012-12-03

    Applicant: SAINT GOBAIN PLACO

    Inventor： ZHANG KE ,  GAO XIAOTONG ,  LI HUIFEN ,  SHAO DONGXIAO ,  SONG HAO

    IPC: C04B28/14 ,  C04B11/00

    Abstract: La presente invención proporciona una composición de yeso, una placa de yeso y su método de preparación y el uso de DHA como un aditivo anti-debilidad en un producto de yeso. Dicha placa de yeso comprende yeso preparado a partir de una composición; que dicha comprende yeso y un aditivo anti-deformación, en donde el aditivo anti-deformación comprende al menos uno seleccionado de un grupo que consiste de ácido dehidroascórbico, deshidroascorbato y ácido semideshidroascórbico. El yeso endurecido preparado a partir de dicha composición muestra mejor propiedad anti-debilidad o resistencia a la deformación. El producto de yeso de la presente invención es apenas distorsionado y tiene una estabilidad más fuerte incluso en la condición de alta humedad, por lo tanto mejorar la calidad del producto de yeso para satisfacer las demandas del cliente.

    Anti-sagging gypsum product and a method to manufacture
    9.
    发明专利
    Anti-sagging gypsum product and a method to manufacture 未知

    公开(公告)号：AU2012387603B2

    公开(公告)日：2015-06-04

    申请号：AU2012387603

    申请日：2012-12-03

    Applicant: SAINT GOBAIN PLACO

    Inventor： GAO XIAOTONG ,  LI HUIFEN ,  SONG HAO ,  ZHANG KE

    IPC: C04B20/02

    Abstract: Unitalen Ref: OP1312-08-0766 Client Ref.: P2012/14-AU PCT_Original The present invention provides a composition, a gypsum board and their preparation method and the use of ascorbic acid as an anti-sagging additive in a gypsum board. Said gypsum board comprises set gypsum prepared from the composition; while said composition comprises hemi-hydrate gypsum, water and a compound comprising" - C=C- " group and no carboxylate groups. The set gypsum prepared from the said composition shows better anti-sagging or deformation resisting property. The gypsum board of the present invention is hardly distorted and has stronger stability even in the condition of high humidity, thus improve the quality of the gypsum board to meet the demands of the customer. -22-

    ANTI-SAGGING GYPSUM PRODUCT AND A METHOD TO MANUFACTURE
    10.
    发明专利
    ANTI-SAGGING GYPSUM PRODUCT AND A METHOD TO MANUFACTURE 未知

    公开(公告)号：SG2014013155A

    公开(公告)日：2014-11-27

    申请号：SG2014013155

    申请日：2012-12-03

    Applicant: SAINT GOBAIN PLACO

    Inventor： GAO XIAOTONG ,  LI HUIFEN ,  SONG HAO ,  ZHANG KE

    IPC: C04B11/00 ,  C04B28/14

    Abstract: The present invention provides a composition, a gypsum board and their preparation method and the use of ascorbic acid as an anti-sagging additive in a gypsum board. Said gypsum board comprises set gypsum prepared from the composition; while said composition comprises hemi-hydrate gypsum, water and a compound comprising group and no carboxylate groups. The set gypsum prepared from the said composition shows better anti-sagging or deformation resisting property. The gypsum board of the present invention is hardly distorted and has stronger stability even in the condition of high humidity, thus improve the quality of the gypsum board to meet the demands of the customer.

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