CN1111218A - Normal Portland mastic cement - Google Patents
Normal Portland mastic cement Download PDFInfo
- Publication number
- CN1111218A CN1111218A CN 95102977 CN95102977A CN1111218A CN 1111218 A CN1111218 A CN 1111218A CN 95102977 CN95102977 CN 95102977 CN 95102977 A CN95102977 A CN 95102977A CN 1111218 A CN1111218 A CN 1111218A
- Authority
- CN
- China
- Prior art keywords
- cement
- water
- portland cement
- polyvinyl alcohol
- ordinary portland
- 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.)
- Pending
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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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention produces mastic cement by using Portland cement as basic material, polyvinyl alcohol as adhesive, synthesized tannin as surfactant, heavy calcium carbonate as stuffing and phenolic resin as reinforcer. The mastic cement has a cohesion strength 2-3 times higher than Portland cement and has great freeze-proof, heat-resisting, ageing-resisting and water-proof properties as well as short solidifying period.
Description
The present invention relates to the composition of cement.Be particularly related to a kind of composition and making method of colloidality cement, belong to chemical field.
The cement that uses in building operation is of a great variety, has formed bigger cement family, makees the decoration adhesive material but be used at present decorating pasting many employing ordinary Portland cements or adding after 107 glue mix, in decoration construction, this sticking strength is low, and compression shear strength is little, setting time is long, the shrinkage coefficient height, temperature influence is big, easily comes off behind the decoration, construction repair rate height, though the strong finishing material product of other many cohesiveness is also arranged, cost an arm and a leg, unit in charge of construction is difficult to accept.
The objective of the invention is to overcome ordinary Portland cement and have the low defective of sticking strength, provide a kind of cohesive force strong, the compression shear strength height, heat-resisting, freeze proof, the colloidality cement that setting time is short.
The present invention realizes that as follows the weight of its batching constitutes: ordinary Portland cement 87-92%, polyvinyl alcohol 1-1.5%, syntannin 0.15-0.25%, water-ground limestone 6-11%, phenolic aldehyde 0.2-0.35%.Its distribution is by above-mentioned composition amount, after earlier polyvinyl alcohol, syntannin, water-ground limestone and phenolic aldehyde being pulverized, crosses 80 mesh sieve thorough mixing, with the ordinary Portland cement thorough mixing, promptly gets product again.
In each above-mentioned composition, ordinary Portland cement should meet national standard as base-material; Polyvinyl alcohol is the organic resin compounds, enters composition as binding agent with the water-soluble polymers form, and with the sclerosis of cement, dissolved polymers becomes solid-phase construction by dry or crosslinked in hardenite inside, has greatly improved the cohesive strength of cement; Syntannin as tensio-active agent can refinforced cement the plasticity ability, and can reduce the water requirement of slurry, make cement have the better physical performance, improve intensity and freezing tolerance; Water-ground limestone replenishes condensing agent with form of bio-carrier, can improve the resistance to compression of cement, ageing-resistant, water-fast and resistance toheat, increases viscosity, reduces the shrinking percentage in the process of setting; Phenolic aldehyde can make hydrated cementitious more complete as toughener, and the cement particle surface face of giving birth to that works after gelling with alkali becomes insoluble gluey rete, can play the high-temp water-preserving effect, improve tension and deformability.
So colloidality cement of the present invention is except that various quality parameter that do not change ordinary Portland cement and mechanical property, also improve 2-3 doubly than present ordinary Portland cement cohesive strength, and it is heat-resisting, freeze proof, water-fast, ageing-resistant, the construction setting time is short, repair rate is low, cost is moderate, meets sanitary requirement, is fit to industrialized mass production.
The realization of technical solution of the present invention is described with embodiment below:
Contrast is used for the stickup of mosaic with 107 glue of the ordinary Portland cement adding 5% of label, and maintenance is seven days under the normal temperature, records compression shear strength average out to 0.45(mpa/cm
2).
Embodiment 1. by above-mentioned requirements with (425#) ordinary Portland cement 87.5%, polyvinyl alcohol 1%, syntannin 0.2%, water-ground limestone 11%, phenolic aldehyde 0.3% identically with collating condition is used to paste mosaic, records compression shear strength average out to 1.12.
Embodiment 2 is identical with embodiment 1 condition purpose, and ingredient groups becomes (425#) ordinary Portland cement 90%, polyvinyl alcohol 1.2%, syntannin 0.18%, water-ground limestone 8.4%, phenolic aldehyde 0.22%, its compression shear strength average out to 1.30.
Below only be embodiment, in concrete batch process the in batches, can also require to adjust percentage composition according to working design.Because the colloidality cement that the present invention makes, construction technology is identical with general cement, overcome the technical deficiency of existing ordinary Portland cement as matrix material, be fit to industrialized mass production, outer packaging bag is the hydrophobic cement bag, internal layer can encapsulate with foil-type plastic bag, indicates protection against the tide, anti-broken printed words on the product bag that dispatches from the factory.
Claims (3)
1, a kind of normal Portland mastic cement, base-material is an ordinary Portland cement, account for more than 87% of total amount, it is characterized in that, the composition and the weight ratio of batching are: ordinary Portland cement 87-92%, polyvinyl alcohol 1-1.5%, syntannin 0.15-0.25%, water-ground limestone 6-11%, phenolic aldehyde 0.2-0.35%.
2, colloidality cement according to claim 1 is characterized in that, distribution is: earlier polyvinyl alcohol, syntannin, water-ground limestone and phenolic aldehyde are pulverized the back and cross 80 mesh sieve thorough mixing, again with the base-material thorough mixing.
3, colloidality cement according to claim 2 is characterized in that, the optimum proportion of batching component is ordinary Portland cement 90%, polyvinyl alcohol 1.2%, syntannin 0.18%, water-ground limestone 8.4%, phenolic aldehyde 0.22%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95102977 CN1111218A (en) | 1995-03-31 | 1995-03-31 | Normal Portland mastic cement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95102977 CN1111218A (en) | 1995-03-31 | 1995-03-31 | Normal Portland mastic cement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1111218A true CN1111218A (en) | 1995-11-08 |
Family
ID=5074539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95102977 Pending CN1111218A (en) | 1995-03-31 | 1995-03-31 | Normal Portland mastic cement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1111218A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100445497C (en) * | 2002-12-27 | 2008-12-24 | 克里斯廷·E·沃尔纳 | Cementitious veneer and laminate material |
| CN107135652A (en) * | 2015-01-30 | 2017-09-05 | 卡特彼勒公司 | The cement without grand defect with improved moisture-proof |
-
1995
- 1995-03-31 CN CN 95102977 patent/CN1111218A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100445497C (en) * | 2002-12-27 | 2008-12-24 | 克里斯廷·E·沃尔纳 | Cementitious veneer and laminate material |
| CN107135652A (en) * | 2015-01-30 | 2017-09-05 | 卡特彼勒公司 | The cement without grand defect with improved moisture-proof |
| CN107135652B (en) * | 2015-01-30 | 2021-04-27 | 卡特彼勒公司 | Macro-defect free cement with improved moisture resistance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |