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1. 发明申请

WO2021160435A1 A CONSTRUCTION PANEL HAVING IMPROVED DIMENSIONAL STABILITY 审中-公开
公开(公告)号：WO2021160435A1
公开(公告)日：2021-08-19
申请号：PCT/EP2021/051886
申请日：2021-01-27
申请人： SAINT-GOBAIN PLACO
发明人： RIDEOUT, Jan , JONES, Nicholas , BROOKS, Laura , RETOT, Helene , MORLAT, Richard , MONTIGNY, Benoit
IPC分类号： C04B28/14
摘要： Lightweight construction panels, such as gypsum plasterboard, are commonly used to provide internal partitions in buildings. It is known to cover, either partially or fully, the panel with an aqueous material such as gypsum plaster or jointing compound. It has been found that known panels expand when they absorb water. This gives rise to several undesirable results such as the gypsum plaster or jointing compound cracking as the panel expands as moisture is absorbed. The present invention provides a panel comprising a gypsum matrix including fibres in an amount of at least 0.8 wt% relative to the gypsum, a polymeric additive in an amount of at least 0.8 wt% relative to the gypsum, and at least one phosphate additive. A panel having such a composition has been found to have desirable characteristics.

2. 发明申请

WO2017109459A1 METHOD FOR THE PRODUCTION OF GYPSUM-BASED BOARDS AND STUCCO SLURRY COMPRISING NON-PREGELATINIZED MIGRATORY STARCH FOR USE THEREWITH 审中-公开
标题翻译：生产石膏基板材的方法和包含非预胶化迁移淀粉用于使用的石膏浆液
公开(公告)号：WO2017109459A1
公开(公告)日：2017-06-29
申请号：PCT/GB2016/053930
申请日：2016-12-14
申请人： SAINT-GOBAIN PLACO SAS
发明人： MORLAT, Richard , FLETCHER, James , KAMLER, Radomir
IPC分类号： C04B28/14 , C04B11/00
CPC分类号： C04B11/007 , C04B28/144 , C04B28/145 , C04B2111/0062 , C04B14/42 , C04B24/383 , C04B2103/32 , C04B24/003 , C04B24/04 , C04B24/226
摘要： A method for continuously forming gypsum-based panels of high fixing strength comprises the steps of: • forming a mixture comprising stucco, non-pregelatinized migratory starch, glass fibre, fluidizer and water; • casting the mixture in a continuous band; • maintaining the band under conditions sufficient for the stucco to form an interlocking matrix of set gypsum; • cutting the band to form one or more wet panel precursors; and • drying the wet panel precursor to form one or more gypsum-based panels. • The weight ratio of water to stucco in the mixture is less than 0.7; • the stucco is present in the mixture in an amount of over 60 wt% relative to the total solids content of the mixture; • the starch is present in the mixture in an amount of over 3 wt% relative to the the stucco; • the glass fibre is present in the mixture in an amount of over 1 wt% relative to the stucco; • the fluidizer is is present in the mixture in an amount of at least 0,1 wt% relative to the stucco; and the density of the gypsum-based panel is greater than 700 kg/m.
摘要翻译：一种用于连续形成高固定强度的石膏基板的方法包括以下步骤：·形成包含灰泥，非预胶化迁移淀粉，玻璃纤维，流化剂和水的混合物; •将混合物浇注在连续的带上; •将条带保持在足以使灰泥形成凝固石膏互锁基体的条件下; •切割带以形成一个或多个湿面板前体; 和·干燥湿面板前体以形成一个或多个石膏基面板。 •混合物中水与灰泥的重量比小于0.7; ·混合物中灰泥的含量相对于混合物的总固体含量超过60重量％; •相对于灰泥，淀粉以超过3重量％的量存在于混合物中; •玻璃纤维相对于灰泥的含量超过1重量％; ·流化剂相对于灰泥以至少0.1wt％的量存在于混合物中; 并且石膏基面板的密度大于700kg / m。

3. 发明申请

WO2021116221A1 APPARATUS AND METHOD FOR THE PRODUCTION OF A PLASTER SLURRY 审中-公开
公开(公告)号：WO2021116221A1
公开(公告)日：2021-06-17
申请号：PCT/EP2020/085361
申请日：2020-12-09
申请人： SAINT-GOBAIN PLACO
发明人： JAFFEL, Hamouda , MORLAT, Richard , RANZANI DA COSTA, Andrea
IPC分类号： B28C5/38 , B01F3/04 , B01F15/00 , B01F15/04 , B28C7/02 , C04B38/10 , C04B28/14
摘要： An apparatus (100) for the production of a plaster slurry is described, the apparatus (100) comprising a mixer (102) for mixing at least plaster and water to form a plaster slurry, the mixer (102) comprising an outlet conduit (122), a foam generator (106) for mixing at least air, a foaming agent and water to produce a foam, the foam generator (106) in fluid communication with the mixer (102) via a fluid pathway (116) comprising a foam conduit (117); and a mass flow meter (124), wherein the mass flow meter (124) is configured to measure the density and mass flow rate of the foam within the foam conduit (117) or the plaster slurry within the outlet conduit (122). Additionally, a method of manufacturing a plaster slurry is described.

4. 发明申请

WO2015185700A1 APPARATUS AND METHOD FOR THE PRODUCTION OF FOAM 审中-公开
标题翻译：用于生产泡沫的装置和方法
公开(公告)号：WO2015185700A1
公开(公告)日：2015-12-10
申请号：PCT/EP2015/062522
申请日：2015-06-04
申请人： SAINT-GOBAIN PLACO SAS
发明人： JAFFEL, Hamouda , MORLAT, Richard
IPC分类号： B01F5/06 , B28C5/38 , C04B28/14 , C04B38/10
CPC分类号： C04B38/10 , B01F3/04446 , B01F5/0696 , B01F2215/0047 , B28C5/386 , C04B28/14 , C04B2103/408 , C04B2103/48 , C04B38/0051 , C04B38/007 , C04B40/0028 , C04B2103/40
摘要： An apparatus for preparing foam for incorporation into cementitious slurry comprises a conduit having an inlet for receiving a gas feed and a surfactant feed, and an outlet for allowing the exit of foam. The conduit houses a porous plug that provides a partial barrier to fluid flow along the conduit, the plug comprising a plurality of particles that are packed in a regular array and that define a three-dimensional network of pores extending therebetween. The apparatus comprises a resilient component located between the plug and the conduit.
摘要翻译：用于制备用于掺入水泥浆料中的泡沫的装置包括具有用于接收气体进料和表面活性剂进料的入口的导管和用于允许泡沫出口的出口。导管容纳一个多孔塞子，其提供沿着导管的流体流动的部分屏障，塞子包括多个以规则阵列包装的颗粒，并且限定了在其间延伸的孔的三维网络。该装置包括位于塞子和导管之间的弹性部件。

5. 发明申请

WO2013087766A1 A PRESSING ASSEMBLY AND METHOD FOR FORMING A DEPRESSION WITHIN A MOVING, GYPSUM BOARD 审中-公开
标题翻译：一种用于在移动的GYPSUM板中形成凹陷的压力组件和方法
公开(公告)号：WO2013087766A1
公开(公告)日：2013-06-20
申请号：PCT/EP2012/075380
申请日：2012-12-13
申请人： SAINT-GOBAIN PLACO SAS
发明人： JEAN, Remi , MONGROLLE, Jean Louis , DRAG, Dariusz , MORLAT, Richard
IPC分类号： B28B11/10 , B28B19/00 , E04C2/04
CPC分类号： B28B11/0863 , B28B11/10 , B28B17/023 , B28B19/0092
摘要： A pressing assembly (10) and a method for forming a depression (105) within a moving, wet gypsum board (100) is disclosed. The assembly comprises a pressing head (16) comprising a pressing surface which is arranged to contact the board, and a support member (17), the pressing head (16) being arranged to compress a portion of the board between the pressing surface and the support member (17) to form a depression (105) within the board (10). The pressing surface comprises a first and second surface portion (24, 25) separated by a relief portion (27), which is arranged to press the board (100) toward the support head (17) with less compressive force than the first and second surface portion (24, 25). The assembly further comprises drive means (18, 19, 22) for moving the pressing head and the support member in a first direction which substantially corresponds with the direction of the moving board, and a second direction which is substantially perpendicular to a plane of the board, while the speed of the pressing assembly in the first direction substantially matches the speed of the board.
摘要翻译：公开了一种挤压组件（10）和用于在运动的湿法石膏板（100）内形成凹陷（105）的方法。组件包括一个按压头（16），该压头包括设置成接触该板的按压表面和一个支撑构件（17），该按压头（16）被布置成压缩该压板表面和支撑构件（17）以在板（10）内形成凹陷（105）。按压表面包括由释放部分（27）分开的第一和第二表面部分（24,25），所述第一和第二表面部分被布置成以比第一和第二部分更少的压缩力将支撑头（17）压向支撑头（17）表面部分（24,25）。组件还包括驱动装置（18,19,22），用于沿基本上与移动板的方向相对应的第一方向移动按压头和支撑构件;以及第二方向，该第二方向基本上垂直于而按压组件在第一方向上的速度基本上与板的速度相匹配。

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