公开(公告)号：WO1995025702A1

公开(公告)日：1995-09-28

申请号：PCT/FR1995000289

申请日：1995-03-13

Applicant: RHONE-POULENC CHIMIE ,  BOUYGUES ,  BERTONCINI, André ,  DUGAT, Jérôme ,  FROUIN, Laurent ,  JAQUIER, Jean-Luc ,  PRAT, Evelyne ,  RICHARD, Pierre

Inventor： RHONE-POULENC CHIMIE ,  BOUYGUES

IPC: C04B28/02

CPC classification number: C04B20/10 ,  C04B22/06 ,  C04B28/02 ,  C04B40/0042 ,  C04B2111/00172 ,  E04F21/12 ,  C04B14/062 ,  C04B40/0028 ,  C04B2103/12 ,  C04B2103/22 ,  C04B24/26 ,  C04B2103/30 ,  C04B2103/50

Abstract: A wet-mix shotcreting method using a precipitated silica and comprising the steps of forming a batched concrete mixture of cement, aggregates, water and a precipitated silica, conveying the batched mixture and feeding it into a spray nozzle, and spraying the mixture from the nozzle onto the surface to be concreted.

Abstract translation: 一种使用沉淀二氧化硅的湿式混合喷射方法，包括以下步骤：形成水泥，聚集体，水和沉淀二氧化硅的分批混凝土混合物，输送分批混合物并将其进料到喷嘴中，并从喷嘴喷射混合物 到混凝土表面。

公开(公告)号：WO1996001787A1

公开(公告)日：1996-01-25

申请号：PCT/FR1995000901

申请日：1995-07-05

Applicant: RHONE-POULENC CHIMIE ,  PRAT, Evelyne ,  FROUIN, Laurent

Inventor： RHONE-POULENC CHIMIE

IPC: C01B33/141

CPC classification number: G09B9/04 ,  C01B33/1417 ,  C01B33/193 ,  C01P2004/50 ,  C01P2004/51 ,  C01P2004/61 ,  C01P2006/22 ,  C04B14/062 ,  C09D5/08 ,  G09B9/05

Abstract: The invention relates to an aqueous suspension of precipitation silica, characterized in that its concentration of dry material is comprised between 10 and 40 % by weight, its viscosity is lower than 4.10 Pa.s for a shearing of 50 s and the quantity of silica contained in the supernatant obtained after centrifugation of said suspension at 7500 rpm during 30 minutes represents more than 50 % of the weight of silica contained in the suspension. The grain size distribution of suspended agglomerates is such that their medium diameter D50 is smaller than 5 mu m and the disagglomeration factor FD is higher than 3 ml. Said suspension may be used for producing anti-corrosion coatings, for the preparation of concretes, paper or mineral glues.

Abstract translation: 本发明涉及沉淀二氧化硅的水性悬浮液，其特征在于其干燥材料的浓度为10-40重量％，其粘度低于4.10-2a.a.s，用于剪切50秒 - 1>，并且所述悬浮液在7500rpm离心30分钟后得到的上清液中含有的二氧化硅的量占悬浮液中含有的二氧化硅的重量的50％以上。 悬浮附聚物的粒度分布使其中等直径D50小于5μm，解聚因子FD高于3ml。 所述悬浮液可用于生产防腐涂料，用于制备混凝土，纸或矿物胶。

公开(公告)号：WO1995025700A1

公开(公告)日：1995-09-28

申请号：PCT/FR1995000263

申请日：1995-03-08

Applicant: RHONE-POULENC CHIMIE ,  FROUIN, Laurent ,  PRAT, Evelyne

Inventor： RHONE-POULENC CHIMIE

IPC: C04B14/06

CPC classification number: C04B14/062

Abstract: The use of 0.5-5 wt %, based on the weight of cement, of precipitated silica as the viscosity and/or flow point controlling additive in mixed compositions consisting of cement and water, is disclosed. Cement pastes containing 0.5-5 wt %, based on the weight of cement, of such an additive, and the corresponding compositions after setting, are also disclosed.

Abstract translation: 公开了基于水泥重量的0.5-5重量％的沉淀二氧化硅作为由水泥和水组成的混合组合物中的粘度和/或流动点控制添加剂。 还公开了含有基于水泥重量0.5-5重量％的这种添加剂的水泥浆料和凝固后的相应组合物。

公开(公告)号：WO1997034849A1

公开(公告)日：1997-09-25

申请号：PCT/FR1997000452

申请日：1997-03-13

Applicant: RHONE-POULENC CHIMIE ,  PRAT, Evelyne ,  FROUIN, Laurent

Inventor： RHONE-POULENC CHIMIE

IPC: C04B40/00

CPC classification number: C04B40/0039 ,  C04B14/062 ,  C04B2103/0082 ,  C04B24/26

Abstract: An aqueous suspension is provided including a mixture of at least one aqueous suspension of precipitated silica and of at least one latex, in which the aqueous suspension of precipitated silica has a solids content of between 10 and 40% by weight, has a viscosity lower than 4x10-2 Pa s at a shear of 50 s-1 and, after centrifuging at 7500 revolutions per minute for 30 minutes, produces a supernatant containing more than 50% of the weight of the silica initially in suspension.This suspension can be employed in compositions based on an inorganic binder and in concrete compositions.

Abstract translation: 提供水性悬浮液，其包括沉淀二氧化硅和至少一种胶乳的至少一种水悬浮液的混合物，其中沉淀二氧化硅的水悬浮液具有10至40重量％的固体含量，其粘度低于 在50s-1的剪切下4×10-2 Pa s，并且以7500转每分钟离心30分钟后，产生最初含有二氧化硅重量百分比的悬浮液的上清液。该悬浮液可用于 基于无机粘合剂和具体组合物的组合物。

公开(公告)号：WO1995009128A1

公开(公告)日：1995-04-06

申请号：PCT/FR1994001144

申请日：1994-09-29

Applicant: RHONE-POULENC CHIMIE ,  CHEVALLIER, Yvonick ,  PRAT, Evelyne

Inventor： RHONE-POULENC CHIMIE

IPC: C01B33/193

CPC classification number: C01B33/193 ,  C01P2004/32 ,  C01P2004/50 ,  C01P2004/61 ,  C01P2006/11 ,  C01P2006/12 ,  C01P2006/14 ,  C01P2006/17 ,  C01P2006/19 ,  C08K3/36 ,  C08K9/04

Abstract: Novel silicas in the form of powder and spherical beads or granules. The silicas are characterized by having a specific CTAB surface of 100-140 m /g, a small median diameter, following disaggregation by ultrasound means, and, optionally, a porous distribution so that the porous volume occupied by the pores whose diameter is 175-275 ANGSTROM is less than 55 % of the porous volume occupied by the pores having diameters of 400 ANGSTROM or less. The invention also concerns a method for the preparation of said silicas and their use as reinforcing fillers for elastomers.

Abstract translation: 以粉末和球形珠粒或颗粒形式的新型二氧化硅。 二氧化硅的特征在于具有100-140m 2 / g的特定CTAB表面，在通过超声波装置解聚之后具有小的中值直径，以及任选的多孔分布，使得孔的直径 是175-275的孔小于直径为400或更小的孔的多孔体积的55％。 本发明还涉及制备所述二氧化硅的方法及其作为弹性体增强填料的用途。

公开(公告)号：WO1996036226A1

公开(公告)日：1996-11-21

申请号：PCT/FR1996000741

申请日：1996-05-15

Applicant: RHONE-POULENC CHIMIE ,  GUBELMANN-BONNEAU, Isabelle ,  MAILHE, Philippe ,  PRAT, Evelyne

Inventor： RHONE-POULENC CHIMIE

IPC: A01N25/14

CPC classification number: A01N25/14 ,  A01N53/00 ,  A01N2300/00

Abstract: A water dispersible granulated material, containing a liquid or low melting point active plant protection substance, a precipitated silica or silico-aluminate, a dispersant amphiphilic polymer, a saccharide, an anionic surfactant with at least one unsaturation, and, preferably, a wetting surfactant and an inert filler. A method for preparing the granulated material and the use thereof for protecting and/or treating plants are also described. The invention further pertains to the use of a saccharide as an agent for enhancing the shelf stability of plant protection, water dispersible granulates.

Abstract translation: 含有液体或低熔点活性植物保护物质，沉淀二氧化硅或硅铝酸盐，分散剂两亲性聚合物，糖类，具有至少一个不饱和键的阴离子表面活性剂和优选润湿表面活性剂的水分散性造粒材料 和惰性填料。 还描述了制备颗粒材料的方法及其用于保护和/或处理植物的用途。 本发明还涉及使用糖类作为增强植物保护性，水分散性颗粒的贮存稳定性的试剂。

公开(公告)号：WO1996030302A1

公开(公告)日：1996-10-03

申请号：PCT/FR1996000462

申请日：1996-03-28

Applicant: RHONE-POULENC CHIMIE ,  BOMAL, Yves ,  CHEVALLIER, Yvonick ,  PRAT, Evelyne

Inventor： RHONE-POULENC CHIMIE

IPC: C01B33/193

CPC classification number: C09C1/30 ,  C01B33/193 ,  C01P2002/54 ,  C01P2004/32 ,  C01P2004/50 ,  C01P2004/61 ,  C01P2006/12 ,  C01P2006/14 ,  C01P2006/17 ,  C01P2006/19 ,  C01P2006/90 ,  C08K3/36 ,  C08L21/00

Abstract: A novel method for preparing precipitated silica having a good dispersibility and highly satisfactory reinforcing properties is disclosed. Novel precipitated silicas in the form of a powder, substantially spherical beads or granules are also disclosed. Said silicas are characterised in that they have a CTAB specific surface area of 90-250 m /g, a BET specific surface area of 90-250 m /g, a DOP oil absorption of less than 300 ml/100 g, and a zinc content of 1-5 wt %, and in that the number N of stearic acid molecules consumed per nm of the silica surface, when stearic acid is reacted with said silica in xylene for 2 hours at 120 DEG C, is at least 1. Furthermore, the use of said silicas as reinforcing fillers for elastomers, in particular for enhancing the rheological properties thereof, is disclosed.

Abstract translation: 公开了一种制备具有良好分散性和非常令人满意的增强性能的沉淀二氧化硅的新方法。 还公开了粉末形式的新型沉淀二氧化硅，基本上为球形的珠粒或颗粒。 所述二氧化硅的特征在于它们的CTAB比表面积为90-250m 2 / g，BET比表面积为90-250m 2 / g，DOP吸油量小于300ml / 100g，锌含量为1-5重量％，其中当二甲苯中的硬脂酸与二氧化硅在二甲苯中反应2小时时，二氧化硅表面消耗的硬脂酸分子数为N， DEG，至少为1.此外，公开了使用所述二氧化硅作为弹性体的增强填料，特别是用于增强其流变性能。

公开(公告)号：WO1996030301A1

公开(公告)日：1996-10-03

申请号：PCT/FR1996000461

申请日：1996-03-28

Applicant: RHONE-POULENC CHIMIE ,  BOMAL, YVES ,  CHEVALLIER, Yvonick ,  PRAT, Evelyne

Inventor： RHONE-POULENC CHIMIE

IPC: C01B33/193

CPC classification number: C09C1/3045 ,  C01B33/193 ,  C01P2002/54 ,  C01P2004/12 ,  C01P2004/20 ,  C01P2004/32 ,  C01P2004/39 ,  C01P2004/50 ,  C01P2004/61 ,  C01P2006/10 ,  C01P2006/12 ,  C01P2006/14 ,  C01P2006/16 ,  C01P2006/17 ,  C01P2006/19 ,  C01P2006/80 ,  C01P2006/90 ,  C08K3/36 ,  C09C1/30 ,  C08L21/00

Abstract: A novel method for preparing precipitated silica having a good dispersibility and highly satisfactory reinforcing properties is disclosed. Novel precipitated silicas in the form of a powder, substantially spherical beads or granules are also disclosed. Said silicas are characterised in that they have a CTAB specific surface area of 90-250 m /g, a DOP oil absorption of less than 300 ml/100 g, a pore distribution such that the pore volume consisting of pores with a diameter of 175-275 ANGSTROM is less than 50 % of the pore volume consisting of pores with a diameter of at most 400 ANGSTROM , and a zinc content of 1-5 wt %, and in that the number N of stearic acid molecules consumed per nm of the silica surface, when stearic acid is reacted with said silica in xylene for 2 hours at 120 DEG C, is of at least 1. Furthermore, the use of said silicas as reinforcing fillers for elastomers, in particular for enhancing the rheological properties thereof, is disclosed.

Abstract translation: 公开了一种制备具有良好分散性和非常令人满意的增强性能的沉淀二氧化硅的新方法。 还公开了粉末形式的新型沉淀二氧化硅，基本上为球形的珠粒或颗粒。 所述二氧化硅的特征在于它们的CTAB比表面积为90-250m 2 / g，DOP吸油量小于300ml / 100g，孔分布使孔体积由 直径为175-275的直径小于孔体积的50％，孔体积直径最大为400，锌含量为1-5wt％，其中硬脂酸分子数N为 nm 2的二氧化硅表面，当硬脂酸与二氧化硅在二甲苯中在120℃下反应2小时时，至少为1.此外，使用所述二氧化硅作为弹性体的增强填料，特别是用于增强 其流变性能被公开。

公开(公告)号：WO1995009127A1

公开(公告)日：1995-04-06

申请号：PCT/FR1994001143

申请日：1994-09-29

Applicant: RHONE-POULENC CHIMIE ,  CHEVALLIER, Yvonick ,  PRAT, Evelyne

Inventor： RHONE-POULENC CHIMIE

IPC: C01B33/193

CPC classification number: C08K3/36 ,  C01B33/193 ,  C01P2004/10 ,  C01P2004/20 ,  C01P2004/32 ,  C01P2004/50 ,  C01P2004/61 ,  C01P2006/11 ,  C01P2006/12 ,  C01P2006/14 ,  C01P2006/16 ,  C01P2006/17 ,  C08L21/00

Abstract: Silicas in the form of powder and substantially spherical beads or granules are characterized by a CTAB specific surface of 140-240 m /g a high ultrasonic disaggregation factor, an average diameter, which is small after ultrasonic disaggregation, and optionally, a porous distribution, the porous volume formed by the pores with a diameter of 175 to 275 ANGSTROM being less than 50 % of the porous volume formed by the pores with diameters of 400 ANGSTROM or less. Said silicas may be used as reinforcing fillers for elastomers. The invention also concerns a method for preparing precipitated silica of the type comprising the reaction of an alkaline metal silicate M with an acidifying agent, resulting in a suspension of precipitated silica, and the separation and drying of said suspension, wherein precipitation is performed as follows; (i) an initial starter is formed comprising a portion of the total quantity of alkaline metal silicate M in the reaction, the silicate concentration (expressed in SiO2) in said starter being less than 20 g/l; (ii) an acidifying agent is added to said initial starter until at least 5 % of the quantity of M2O in said initial starter is neutralized; (iii) the acidifying agent and the remaining quantity of alkaline metal silicate M is added simultaneously so that the ratio of the quantity of added silicate (expressed as SiO2) to the quantity of silica in the initial starter (expressed as SiO2) is greater than 4 and at most 100.

Abstract translation: 以粉末形式和基本上为球形的珠粒或颗粒形式的硅，其特征在于CTAB比表面积为140-240m 2 / ga高超分解聚集因子，平均直径在超声分解后较小，以及任选的多孔 由直径为175至275的孔隙形成的多孔体积小于由直径为400或更小的孔形成的多孔体积的50％。 所述二氧化硅可用作弹性体的增强填料。 本发明还涉及一种制备包括碱金属硅酸盐M与酸化剂反应的沉淀二氧化硅的方法，导致沉淀二氧化硅的悬浮液以及所述悬浮液的分离和干燥，其中沉淀如下进行 ; （i）初始起动器由反应中的碱金属硅酸盐M的总量的一部分形成，所述起动机中的硅酸盐浓度（以SiO 2表示）小于20g / l; （ii）将酸化剂添加到所述初始起动器中，直到所述初始起动器中M 2 O的量的至少5％被中和为止; （iii）同时添加酸化剂和碱金属硅酸盐M的剩余量，使得添加的硅酸盐的量（以SiO 2表示）与初始起始物中的二氧化硅的量的比例（以SiO 2表示）大于 4和最多100。

公开(公告)号：WO1996020901A1

公开(公告)日：1996-07-11

申请号：PCT/FR1995001758

申请日：1995-12-29

Applicant: RHONE-POULENC CHIMIE ,  FROUIN, Laurent ,  SARI, Mustapha

Inventor： RHONE-POULENC CHIMIE

IPC: C04B28/14

CPC classification number: C04B28/18 ,  C04B2111/62 ,  Y02W30/91 ,  Y02W30/92 ,  Y02W30/97 ,  C04B7/02 ,  C04B7/32 ,  C04B14/06 ,  C04B14/062 ,  C04B14/10 ,  C04B14/106 ,  C04B14/14 ,  C04B14/303 ,  C04B18/0409 ,  C04B18/08 ,  C04B18/241 ,  C04B22/143

Abstract: A self-levelling fluid mortar including calcium sulphate, aggregates, lime, water and either a silica and an alumina-containing compound, or a pozzolana, as well as a screed prepared from said fluid mortar, are disclosed. The combined use of lime and either a silica and an alumina-containing compound, or a pozzolana, for increasing the mechanical strength of a screed and reducing its water sensitivity, is also disclosed.

Abstract translation: 公开了一种包括硫酸钙，聚集体，石灰，水以及二氧化硅和含氧化铝的化合物或火山灰的自流平液体砂浆以及由所述流体砂浆制备的熨平板。 还公开了石灰和二氧化硅和含氧化铝的化合物或火山灰的组合用于增加熨平板的机械强度和降低其水敏感性。