Wet surface treatment of surface-modified calcium carbonate
A surface treatment and surface modification technology, applied in the direction of calcium carbonate/strontium/barium, fibrous fillers, etc., can solve the problems of product performance impact, detachment, loss of surface treatment effect, etc.
Active Publication Date: 2018-08-31
OMYA INT AG
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Problems solved by technology
However, if this unwashed surface-treated material is then used in a product or process, the surface treatment may be detached from the calcium carbonate surface and may be present in the product as a "free" surface treatment, which may negatively impact product performance
In addition, the effect of the surface treatment will be lost
Method used
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[0320] 1. Measurement method
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Abstract
The present invention relates to a process for the surface treatment of a surface-modified calcium carbonate, a surface-treated calcium carbonate obtained by the process as well as the use of the surface-treated calcium carbonate in a polymer composition, in paper making, paper coatings, agricultural applications, paints, adhesives, sealants, construction applications, pharma applications and / or cosmetic applications, or for cross-linking of rubber, in sheet moulding compounds, in bulk moulding compounds, in cross-linkable polyolefin system formulations, preferably for pipes and cables, in cross-linkable polyvinyl chloride, in unsaturated polyesters and in alkyd resins, and the use of the surface-treated calcium carbonate and a curing agent for crosslinking of cross-linkable compounds.
Description
technical field [0001] The present invention relates to a method for the surface treatment of surface-modified calcium carbonate; the surface-treated calcium carbonate obtained by the method and the use of the surface-treated calcium carbonate in: polymer compositions, papermaking, paper coatings, agricultural applications, paints , adhesives, sealants, construction applications, pharmaceutical applications and / or cosmetic applications, or for crosslinking of rubber, sheet molding compounds, precast integral molding compounds, crosslinkable polyolefin system formulations, preferably for pipes and cables, cross-linkable polyvinyl chloride, unsaturated polyester and alkyd resins; and the use of the surface-treated calcium carbonate and curing agent for cross-linking cross-linkable compounds. Background technique [0002] In practice, filler materials and especially calcium carbonate-containing filler materials are often used as particulate fillers in thermoplastic polymer prod...
Claims
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IPC IPC(8): C09C1/02C01F11/18C08K3/26
CPCC01F11/18C01P2004/60C01P2004/64C01P2006/12C01P2006/14C01P2006/82C08K9/02C08K9/04C08K2003/265C08K2201/005C08K2201/006C09C1/021C08K3/26
Inventor S·伦奇F·伊波利托P·A·C·伽尼
Owner OMYA INT AG
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