公开(公告)号：US3827992A

公开(公告)日：1974-08-06

申请号：US34789473

申请日：1973-04-04

Applicant: SUEDDEUTSCHE KALKSTICKSTOFF

Inventor： AIGNESBERGER A ,  ROSENBAUER H

IPC: C04B28/02 ,  C08G9/04

CPC classification number: C04B28/02 ,  C04B22/00 ,  C04B24/085 ,  C04B24/22

Abstract: AN ADDITIVE CONSISTING ESSENTIALY OF A MIXTURE OF A SULFONIC ACID GROUP-CONTAINING MELAMINE FORMALDEHYDE CONDENSATION PRODUCT AND A METAL STEARATE IS CAPABLE OF STRENGTHENING AND WATER-PROOFING CEMENT PRODUCTS.

公开(公告)号：US3856542A

公开(公告)日：1974-12-24

申请号：US38766873

申请日：1973-08-13

Applicant: SUEDDEUTSCHE KALKSTICKSTOFF

Inventor： AIGNESBERGER A ,  ROSENBAUER H

IPC: C04B24/30 ,  C04B24/22 ,  C04B28/02 ,  C04B7/54

CPC classification number: C04B24/22

Abstract: An aqueous solution of melamine formaldehyde condensation product is sprayed over dry cement product in the fine grinding compartment of a cement grinding mill at a uniform rate essentially throughout the grinding process in concentration and amount chosen to evaporate all the aqueous solvent during the normal cement grinding process and introduce an aggregate of 0.1 to 2.0 weight per cent of condensation product solid in relation to the dry cement product being ground.

Abstract translation: 将三聚氰胺甲醛缩合产物的水溶液在水泥研磨机的细磨室中的干燥水泥产品上以基本上在整个研磨过程中的均匀速率喷雾，其浓度和量选择为在正常水泥研磨过程中蒸发所有水性溶剂 并且相对于被研磨的干燥水泥产品，引入0.1至2.0重量％的缩合产物固体。

公开(公告)号：US3795653A

公开(公告)日：1974-03-05

申请号：US3795653D

申请日：1971-09-17

Applicant: SUEDDEUTSCHE KALKSTICKSTOFF

Inventor： AIGNESBERGER A ,  ROSENBAUER H

IPC: C04B20/10 ,  C04B28/02 ,  C04B15/00 ,  C08G9/22

CPC classification number: C04B28/02 ,  C04B20/1022 ,  C04B2201/10 ,  Y10S264/07 ,  C04B20/002 ,  C04B24/223 ,  C04B38/08

Abstract: LIGHTWEIGHT CONCRETE IS PREPARED BY PREMIXING AND COATING LIGHTWEIGHT FILLER PARTICLES WITH A MELAMINE FORMALDHYDE CONDENSATION PRODUCT CONTAINING SULFONIC ACID GROUPS AND THEREAFTER ADMIXED WITH CEMENT.