Process for preparing plastic compositions containing a silicate dispersed therein
US4185001A · kind A · utility
7Cited by
5References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 28, 1977 |
| Grant date | Jan 22, 1980 |
| Priority date | — |
| Expiry date | Nov 28, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S528/934
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Silica plastic compositions containing a silicate filler finely dispersed therein are produced by simultaneously adding a mixture of an aqueous solution of an alkali silicate and a coagulable latex emulsion of a plastic polymeric material and a solution of at least one salt of hydrochloric or sulfuric acids and a metal selected from the group consisting of zinc, magnesium, calcium, and maintaining the pH of the reaction medium at a level appropriate for the precipitation of the neutral silicate of the metal, yet at which precipitation of either hydroxy salts of the metal or of alkaline silicates is substantially precluded.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.