GB1101205A - Cementing compositions - Google Patents
Cementing compositionsInfo
- Publication number
- GB1101205A GB1101205A GB1009666A GB1009666A GB1101205A GB 1101205 A GB1101205 A GB 1101205A GB 1009666 A GB1009666 A GB 1009666A GB 1009666 A GB1009666 A GB 1009666A GB 1101205 A GB1101205 A GB 1101205A
- Authority
- GB
- United Kingdom
- Prior art keywords
- component
- weight
- vinylidene chloride
- units derived
- cement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/26—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B24/2682—Halogen containing polymers, e.g. PVC
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
A powdered copolymer for use in cement compositions (see Division C1) consists of at least 66% by wt. of units derived from vinylidene chloride, 0.5-4% derived from an acidic component (i) consisting of at least one monoethylenically unsaturated carboxylic acid, anhydride or partial ester thereof, and 4-30% derived from a component (ii) comprising at least one monoethylenically unsaturated compound co-polymerizable with vinylidene chloride other than (i). The acidic component (i) is preferably acrylic or methacrylic acid and the component (ii) may be acrylonitrile or a C1-C6 alkyl acrylate. Polymerization may be carried out in aqueous medium preferably in the absence of any dispersing agent but up to 0.5% by wt. based on the weight of the monomers, of an ionic surface-active agent and up to 1.5% of a non-ionic surface-active agent may be used. Exemplified surface-active agents are alkali metal salts of sulphated or sulphonated alcohols containing more than 12 carbon atoms and, polyoxyethylated carboxylic acid esters of sorbitan and polyoxyethylated alcohols and phenols. In an example ammonium persulphate and sodium metabisulphite were present during polymerization. The latex was spray dried to form a powder.ALSO:A cement composition comprises an hydraulic cement, e.g Portland or plaster of Paris, and from 5 to 40% by weight, based on the weight of the cement, of a copolymer in powder form, containing at least 66% by weight of units derived from vinylidene chloride, 0.5 to 4% units derived from an acidic component (i) consisting of at least one mono ethylenically unsaturated carboxylic acid, anhydride or partial ester thereof, and from 4 to 30% units derived from a component (ii) comprising at least one monoethylenically unsaturated compound copolymerizable with vinylidene chloride, other than (i). The acidic component (i) may be acrylic or methacrylic acid and the component (ii) may be acrylonitrile or a C1-C6 alkyl acrylate. Aggregates such as sand, lime, or gravel may be present in the composition.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1009666A GB1101205A (en) | 1966-03-08 | 1966-03-08 | Cementing compositions |
| NL6611372A NL6611372A (en) | 1966-03-08 | 1966-08-12 | |
| BE685500D BE685500A (en) | 1966-03-08 | 1966-08-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1009666A GB1101205A (en) | 1966-03-08 | 1966-03-08 | Cementing compositions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1101205A true GB1101205A (en) | 1968-01-31 |
Family
ID=9961410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1009666A Expired GB1101205A (en) | 1966-03-08 | 1966-03-08 | Cementing compositions |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE685500A (en) |
| GB (1) | GB1101205A (en) |
| NL (1) | NL6611372A (en) |
-
1966
- 1966-03-08 GB GB1009666A patent/GB1101205A/en not_active Expired
- 1966-08-12 NL NL6611372A patent/NL6611372A/xx unknown
- 1966-08-12 BE BE685500D patent/BE685500A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6611372A (en) | 1967-09-11 |
| BE685500A (en) | 1967-02-13 |
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