CN107573748A - A kind of modified cellulose ethers for lifting grey calcium base or cement base putty application property - Google Patents
A kind of modified cellulose ethers for lifting grey calcium base or cement base putty application property Download PDFInfo
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- CN107573748A CN107573748A CN201710642798.3A CN201710642798A CN107573748A CN 107573748 A CN107573748 A CN 107573748A CN 201710642798 A CN201710642798 A CN 201710642798A CN 107573748 A CN107573748 A CN 107573748A
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- putty
- modified cellulose
- ether
- cellulose ethers
- lifting
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- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of modified cellulose ethers for lifting grey calcium base or cement base putty application property, by weight percentage, including cellulose ether 85 95%；Bentonite 2.5 5%；Starch ether 5 7.5%, the modified cellulose ethers cost is low, has the application property for improving grey calcium base or cement base putty, improves the efficiency of workmen.
Description
Technical field
The invention belongs to chemical field, more particularly to a kind of modified fibre for lifting grey calcium base or cement base putty application property
Plain ether.
Background technology
Putty is one kind of building and ornament materials, is used in a kind of levelling material of wall-surface patching, is beaten for follow-up decoration
Good basis down.
The composition of putty includes white cement, dicalcium powder, cellulose ether etc., according to different demands, can be properly added other
Species additive.In putty, general fibre element ether provides water-keeping thickening performance, assigns the good water retention property of putty and thickening
Performance, good workability can not be provided well, poor to solve putty application property, efficiency of construction can not obtain larger carry
The problems such as rising.
With the lifting of putty finishing requirements, how to meet the good application property of requirement, lifting construction efficiency, while not
Putty later strength can be significantly affected, and does not lift cost, turns into the research contents of those skilled in the art.
The content of the invention
In view of the defects of above-mentioned prior art is present, lifts grey calcium base the purpose of the present invention is to propose to one kind or cement base is greasy
The modified cellulose ethers of sub- application property, the modified cellulose ethers cost is low, has the construction for improving grey calcium base or cement base putty
Property, improve the efficiency of workmen.
The purpose of the present invention will be achieved by the following technical programs：
A kind of modified cellulose ethers for lifting grey calcium base or cement base putty application property, by weight percentage, including fibre
Tie up plain ether 85-95%；Bentonite 2.5-5%；Starch ether 5-7.5%.
A kind of above-mentioned lifting ash calcium base or the modified cellulose ethers of cement base putty application property, wherein, the cellulose
Ether is selected from hydroxypropyl methyl cellulose ether.
A kind of above-mentioned lifting ash calcium base or the modified cellulose ethers of cement base putty application property, wherein, the starch ether
Selected from hydroxypropyl starch ether.
A kind of above-mentioned lifting ash calcium base or the modified cellulose ethers of cement base putty application property, wherein, the hydroxypropyl
Starch ether is selected from 4# hydroxypropyl starch ethers or 5# hydroxypropyl starch ethers are any or it is combined.
The preparation method of the modified cellulose ethers of the grey calcium base of a kind of lifting or cement base putty application property, its feature exist
In, by cellulose ether, bentonite, starch ether add batch mixer in mixing 35-45 minutes produce.
A kind of application of modified cellulose ethers in grey calcium base putty or cement base putty.
Above-mentioned application, wherein, modified cellulose ethers addition in the grey calcium base putty is 2.5-3.5%,
Modified cellulose ethers addition in the cement base putty is 2.5-3.5%.
Compared with prior art, a kind of modified fibre for lifting grey calcium base or cement base putty application property provided by the invention
Plain ether, what is reached has the technical effect that：The present invention obtains modified cellulose ether formulations through science, rational proportion, the modified cellulose
Ether cost is low, is mainly used in grey calcium base or cement base putty, instead of general fibre element ether, lifts the workability of putty；
Bentonite wherein in the present invention is the nonmetallic minerals using montmorillonite as main mineral constituent, and smectite structure is by two silicon
Oxygen tetrahedron presss from both sides 2: 1 type crystal structures of one layer of alumina octahedral composition, has stronger hygroscopicity and dilatancy, adsorbable 8-
The water of 15 times of own vols, gel and suspension can be disperseed in aqueous medium, there is certain thixotropy and lubrication
Property；The addition of starch ether can change the thixotropy of mortar, make it have good application property, while have strong water conservation
Property；Modified cellulose ethers of the present invention effectively improve the efficiency of construction of workmen while the workability of putty is lifted,
And then increase the profit of workmen.
Below just in conjunction with the embodiments, the embodiment of the present invention is described in further detail, so that technical scheme is more
It should be readily appreciated that, grasp.
Embodiment
Below by specific embodiment, the present invention will be described, but the invention is not limited in this.In following embodiments
The experimental method, it is conventional method unless otherwise specified；The reagent and material, unless otherwise specified, can be from business
Approach obtains, example below and the scope of the claims for being not used to the limitation present invention, all equivalence enforcements without departing from carried out by the present invention
Or change, it is intended to be limited solely by the scope of this patent.
The hydroxypropyl methyl cellulose ether MK40M selected in following embodiments and hydroxypropyl methyl cellulose ether ME40M's
Substitution value is different, specifically, hydroxypropyl methyl cellulose ether MK40M is methoxyl content 19.0-24.0%, hydroxypropoxy content
4.0-12.0%, viscosity are 35000-45000cp hydroxypropyl methyl cellulose ether；Hydroxypropyl methyl cellulose ether ME40M is
Methoxyl content 28.0-30.0%, hydroxypropoxy content 7.5-12.0%, viscosity are 35000-45000cp hydroxypropyl methyl
Cellulose ether.
The 4# hydroxypropyl starch ethers selected in following embodiments refer specifically to be substituted by propoxyl, and 5% solution viscosity is
400-1200mPas, ash content≤10%, 120 mesh sieving rate are 74.8% starch ether；5# hydroxypropyl starch ethers refer specifically to by
Propoxyl substitutes, and 5% solution viscosity is 400-1200mPas, and ash content≤10%, 120 mesh sieving rate is 89.7% shallow lake
Powder ether.
Embodiment 1
The formula of modified cellulose ethers：(Brookfield viscosity is hydroxypropyl methyl cellulose ether ME40M 87.5%
40000cp, Suzhou Chemical Co., Ltd. of Sai Lutai sections produce)；Bentonite 5%；4# hydroxypropyl starch ethers 7.5%.
The preparation method of modified cellulose ethers：By 87.5% hydroxypropyl methyl cellulose ME40M, 5% bentonite, 7.5%
4# hydroxypropyl starch ethers are poured into mix 40 minutes in V-type batch mixer and produced.
Wherein, hydroxypropyl methyl cellulose ME40M can be substituted by hydroxypropyl methyl cellulose ether MK40M.
The preparation method of putty：The modified cellulose ethers of weight as shown in table 1 are prepared according to above-mentioned preparation method, and press table
It is well mixed in the input batch mixer of each component shown in 1, the performance test of putty is then carried out according to conventional construction mode, is specifically shown in
Table 2.
Comparative example 1
The general fibre element ether selected in comparative example 1 is the hydroxypropyl methyl fiber of Suzhou Chemical Co., Ltd. of Sai Lutai sections
Plain ether ME40M, wherein Type B viscosity apparatus tested viscosity are 40000CP.
The embodiment 1 of table 1, the cement base Formula of putty of comparative example 1
| Title | Comparative example 1 | Embodiment 1 |
| White cement | 150kg | 150kg |
| 400 mesh dicalcium powders | 847kg | 847kg |
| Hydroxypropylcelluloether ether ME40M | 3kg | -- |
| Modified cellulose ethers | -- | 3kg |
The embodiment 1 of table 2, the cement base putty the performance test results of comparative example 1
| Project | Comparative example 1 | Embodiment 1 |
| Construction area/m per hour2 | 14 | 19 |
| The levelling performance of metope | Need levelling more than 4 times, putty slightly has clot | Need levelling 2 times, putty is without clot |
| Putty surface appearance after 24h | There is slight dry linting phenomenon, polishing is easily | Surface is light without dry linting, polishing |
As shown in Table 2, the modified cellulose that prepared by the addition present invention can accelerate the construction speed of putty in cement base putty
Degree, the levelling performance of metope are high, and putty is after construction without dry linting phenomenon.
Embodiment 2
The formula of modified cellulose ethers：(Brookfield viscosity is hydroxypropyl methyl cellulose ether ME40M 92.5%
40000cp, Suzhou Chemical Co., Ltd. of Sai Lutai sections produce)；Bentonite 2.5%；5# hydroxypropyl starch ethers 5%.
The preparation method of modified cellulose ethers：By 92.5%ME40M hydroxypropyl methyl cellulose ethers ME40M, 2.5% swelling
Soil, 5%5# hydroxypropyl starch ethers are poured into V-type batch mixer and mixed 40 minutes.
Wherein, hydroxypropyl methyl cellulose ME40M can be substituted by hydroxypropyl methyl cellulose ether MK40M.
The preparation method of putty：The modified cellulose ethers of weight as shown in table 1 are prepared according to above-mentioned preparation method, and press table
It is well mixed in the input batch mixer of each component shown in 3, the performance test of putty is then carried out according to conventional construction mode, is specifically shown in
Table 4.
Comparative example 2
The general fibre element ether selected in comparative example 1 is the cellulose ether ME40M of Suzhou Chemical Co., Ltd. of Sai Lutai sections,
Wherein Type B viscosity apparatus tested viscosity is 40000CP.
The preparation method of putty：The modified cellulose ethers of weight as shown in table 3 are prepared according to above-mentioned preparation method, and press table
It is well mixed in the input batch mixer of each component shown in 3, the performance test of putty is then carried out according to conventional construction mode, is specifically shown in
Table 4.
The embodiment 2 of table 3, comparative example 2 grey calcium base putty formula
| Title | Comparative example 2 | Embodiment 2 |
| Grey calcium | 100 | 100 |
| 400 mesh dicalcium powders | 897 | 897 |
| Hydroxypropyl methyl cellulose ether ME40M | 3 | -- |
| Modified cellulose ethers | -- | 3 |
The embodiment 2 of table 2, the grey calcium base putty the performance test results of comparative example 2
| Title | Comparative example 2 | Embodiment 2 |
| Construction area/m per hour2 | 15 | 22 |
| The levelling performance of metope | Need levelling more than 3 times, putty slightly has clot | Levelling 2 times, putty is without clot |
| Putty surface appearance after 24h | There is slight dry linting phenomenon, polishing is easily | Surface is light without dry linting, polishing |
As shown in Table 4, the modified cellulose that prepared by the addition present invention can accelerate the construction speed of putty in grey calcium base putty
The levelling performance of degree, lifting metope, and putty is after construction without dry linting phenomenon.
Embodiment 3-4, comparative example 3-6 modified cellulose ethers preparation：Respectively V-type is added by the proportioning of each component of table 5
Mix 40 minutes and produce in batch mixer.
The modified cellulose of the different ratio of table 5
The preparation method of putty：The modified cellulose ethers 3kg of Example 3-4, comparative example 3-6 preparation, addition are white respectively
It is well mixed, is then carried out respectively according to conventional construction mode greasy in cement 150kg, 400 mesh dicalcium powder 847kg input batch mixer
The performance test of son, is specifically shown in Table 6.
Influence of the modified cellulose of the different ratio of table 6 to cement base putty performance
From table 5,6, modified cellulose ethers of the present invention can accelerate the levelling performance height of the speed of application of putty, metope,
And putty is after construction without dry linting phenomenon, the especially construction of embodiment 1, the modified cellulose ethers of the preparation of embodiment 2 to putty
Property is optimal.
Some preferred embodiments of the present invention have shown and described in described above, but as previously described, it should be understood that the present invention
Be not limited to form disclosed herein, be not to be taken as the exclusion to other embodiment, and available for various other combinations,
Modification and environment, and above-mentioned teaching or the technology or knowledge of association area can be passed through in the scope of the invention is set forth herein
It is modified., then all should be in this hair and the change and change that those skilled in the art are carried out do not depart from the spirit and scope of the present invention
In the protection domain of bright appended claims.
Claims (7)
1. a kind of modified cellulose ethers for lifting grey calcium base or cement base putty application property, it is characterised in that by weight percentage
Meter, including cellulose ether 85-95%；Bentonite 2.5-5%；Starch ether 5-7.5%.
2. a kind of modified cellulose ethers for lifting grey calcium base or cement base putty application property according to claim 1, it is special
Sign is that the cellulose ether is selected from hydroxypropyl methyl cellulose ether.
3. a kind of modified cellulose ethers for lifting grey calcium base or cement base putty application property according to claim 1, it is special
Sign is that the starch ether is selected from hydroxypropyl starch ether.
4. a kind of modified cellulose ethers for lifting grey calcium base or cement base putty application property according to claim 3, it is special
Sign is that the hydroxypropyl starch ether is selected from 4# hydroxypropyl starch ethers or 5# hydroxypropyl starch ethers are any or it is combined.
It is 5. a kind of according to a kind of any one of claim 1-4 modified fibres for lifting grey calcium base or cement base putty application property
The preparation method of plain ether, it is characterised in that be by mixing 35-45 minutes in cellulose ether, bentonite, starch ether addition batch mixer
.
It is greasy in grey calcium base putty or cement base that 6. a kind of preparation method according to claim 5 is prepared into modified cellulose ethers
Application in son.
7. application according to claim 6, it is characterised in that the modified cellulose ethers add in the grey calcium base putty
Dosage is 2.5-3.5%, and modified cellulose ethers addition in the cement base putty is 2.5-3.5%.
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| CN201710642798.3A CN107573748A (en) | 2017-07-31 | 2017-07-31 | A kind of modified cellulose ethers for lifting grey calcium base or cement base putty application property |
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| CN201710642798.3A CN107573748A (en) | 2017-07-31 | 2017-07-31 | A kind of modified cellulose ethers for lifting grey calcium base or cement base putty application property |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112194436A (en) * | 2020-10-19 | 2021-01-08 | 广东博智林机器人有限公司 | Machine-sprayed putty material and preparation method thereof |
| CN113024154A (en) * | 2021-04-21 | 2021-06-25 | 北京博润佳科技有限公司 | Modified cellulose ether composition for putty and preparation method and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105566986A (en) * | 2016-03-16 | 2016-05-11 | 张学健 | Special cellulose ether for putty |
-
2017
- 2017-07-31 CN CN201710642798.3A patent/CN107573748A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105566986A (en) * | 2016-03-16 | 2016-05-11 | 张学健 | Special cellulose ether for putty |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112194436A (en) * | 2020-10-19 | 2021-01-08 | 广东博智林机器人有限公司 | Machine-sprayed putty material and preparation method thereof |
| CN113024154A (en) * | 2021-04-21 | 2021-06-25 | 北京博润佳科技有限公司 | Modified cellulose ether composition for putty and preparation method and application thereof |
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