CN108274589A - The production method of decorative concrete products - Google Patents
The production method of decorative concrete products Download PDFInfo
- Publication number
- CN108274589A CN108274589A CN201711479021.6A CN201711479021A CN108274589A CN 108274589 A CN108274589 A CN 108274589A CN 201711479021 A CN201711479021 A CN 201711479021A CN 108274589 A CN108274589 A CN 108274589A
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- CN
- China
- Prior art keywords
- concrete
- paper
- film
- facing paper
- pattern
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0064—Moulds characterised by special surfaces for producing a desired surface of a moulded article, e.g. profiled or polished moulding surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/002—Apparatus for washing concrete for decorative purposes or similar surface treatments for exposing the texture
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Moulds, Cores, Or Mandrels (AREA)
- Producing Shaped Articles From Materials (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Abstract
The invention discloses a kind of production method of decorative concrete products, solve the problems, such as that existing concrete picture on surface method of modifying complex process, the fineness of pattern forming are poor.Technical solution includes preparing concrete facing paper:In the full overlay film of the one side of paper, another side presses layout part overlay film, obtains concrete facing paper;The paper is blotting paper, and the film is hydrophobic membrane;Concrete facing paper is laid in mold bottom, makes the one side of the figuratum film of tool upward;Casting concrete in a mold;Form removal after maintenance, hardening;Finally open concrete facing paper;It is rinsed with water the concrete product surface for concrete facing paper of tearing, pattern is obtained on concrete product surface.Present invention process is simple, production cost is low, easily operated, pattern forming precision is high.
Description
Technical field
The present invention relates to a kind of concrete decoration technique fields, and in particular to a kind of making side of decorative concrete products
Method.
Background technology
Nearly the two of concrete appearance over 100 years, are sent out with advantages such as its high intensity, cheap and durables
Exhibition.Seem that concrete itself without decorative effect, is covered up it with materials such as ceramic tile, gypsum, building is just complete.
If concrete itself has dicoration, the expense of building surface construction, decoration can be saved, and has a kind of Normal juice former
Taste, the aesthetic feeling let nature take its course.
Based on this situation, someone begins to use clear-water concrete.Clear-water concrete be it is a kind of will after concrete formation directly
Expose the concrete as decorative cover.Its it goes without doing any exterior trim, concrete are inherently decorated.It is big that this can be described as one
Leap.But clear-water concrete is relatively high for construction requirement especially curing requirements, for example, cement must be kept to use in same engineering
Same stove is fired, to keep the solid colour of cement.Sand, stone field must be separately protected, ensure its stay in grade.Clear water coagulation
The maintenance processes of soil are equally stringent, otherwise easily concrete surface caused aberration occur.So generally speaking, China is existing
Construction background is difficult a wide range of popularization clear-water concrete.Somebody begins to use other architectural concretes.But current cement
Decoration panel, the variation of shape, pattern rely primarily on the change in shape of concrete mold to realize.Mold has punching block, wood
Mould, the modern designs of plastics etc., it is of all shapes and colors.The characteristics of way is to obtain the concrete of different pattern it is necessary to there is different pattern
Mold.Obviously such process costs are high, hardly possible volume production, the period is long, waste is big.This is also the reason of it fails to promote at home.
Based on this situation, there is report to do concrete casing using transfer technique.Its transfer technique is by by retarder
It is imprinted on and realizes on PVA basement membranes.And including the example that the document enumerates, retarder is usually aqua, and such liquid
After state retarder is imprinted on by silk-screen printing on basement membrane, it can all change liquid retarder in concreting and process of vibrating
The pattern formed on concrete, retarder are extremely easy to happen diffusion, migration, change shape, lead to the amount of local retarder
Not enough, retarding effect cannot be played, pattern or retarder migration are unable to get or changes shape, and is directly resulted in last
Pattern deformation influences the fine degree of pattern.
Invention content
The purpose of the present invention is to solve above-mentioned technical problem, provide that a kind of technique is extremely simple, easily operated, pattern
The production method of the high decorative concrete products of formed precision.
The technical scheme comprises the following steps:
A, concrete facing paper is prepared:In the full overlay film of the one side of paper, another side presses layout part overlay film, obtains coagulation
Native facing paper;The paper is blotting paper, and the film is hydrophobic membrane;
B, concrete facing paper is completed:Concrete facing paper is laid in mold bottom, makes the one side of the figuratum film of tool
Upward;
C, casting concrete:Casting concrete in a mold;
D, maintenance and form removal:Form removal obtains concrete product after maintenance, hardening;
E, concrete facing paper is opened:It tears concrete facing paper from concrete product surface;
F, water rinses:It is rinsed with water the concrete product surface for concrete facing paper of tearing, aggregates is made to expose, mixed
Solidifying soil product surface obtains pattern.
The Cobb values of the paper are 15~400g/m2。
The optimal Cobb values of the paper are 30~300g/m2。
The thickness of the paper is 0.02~0.5mm.
The thickness of the film is 0.005mm~0.030mm.
The problem of for background technology, the change mode of thinking of inventor's creativeness cleverly utilize paper and film
Combination solve above-mentioned technical problem, mechanism is the full overlay film of one side in paper, another side presses layout overlay film, makes to have
The one side of the film of pattern upward, after casting concrete so that concrete be in part is contacted with film, be partly in direct contact with paper
State can absorb the moisture in the cement layer contacted with paper since paper has water imbibition, lead to the water layer muddy water ash in the region
It can not be condensed than reduction;And the concrete water mud layer in the other regions contacted with film then can normally condense, and be rushed with water after demoulding
It washes, the cement layer of non-condensing part is swept away, and aggregate is exposed, and aggregate is not exposed in other regions, is generated visual contrast and is formed pattern.
In the method for the present invention, the habitual thinking using retarder and application to printed technology has been casted off once and for all, cleverly the water suction of sharp paper is former
Reason, not only greatly reduces operation difficulty and production cost, also solves and spreads, migrates, changing existing for coating liquid retarder
The problems such as becoming shape.
Further, preferably the water imbibition Cobb values of paper are 15~400g/m2, it is more highly preferred to 30~300g/m2, excessively high meeting
Cause paper water suction excessive, the too deep influence beauty in concrete pattern part and fine degree are too low to lead to very few, the pattern of paper water suction
Part is difficult to be contrasted with non-pattern portion, influences pattern fine degree, or even can not form pattern.The thickness of the paper is excellent
It is selected as 0.02mm~0.5mm, excessively high that paper water imbibition can be caused too strong, the final fine degree for influencing concrete pattern, too low meeting
Cause paper water imbibition too weak, finally so that concrete can not form pattern.The film is hydrophobic membrane, such as BOPP (biaxial tensiones
Polypropylene film) or BOPP/PE (polyethylene) or BOPP/CPP (cast polypropylene);
Advantageous effect:
The method of the present invention process is extremely simple, is skillfully constructed, and absorbs cast concrete water using the water absorbing properties of paper
The moisture of mud layer makes cement layer that can not condense, so as to easily be rinsed with water to form pattern after concrete product demoulding,
Entire technological operation difficulty is low, with short production cycle, production cost is low, can form that svelteness is accurate, erosion depth on concrete
Uniform pattern is spent, foreground is had a vast market.
Specific implementation mode
Process example:
A, concrete facing paper is prepared:In the full overlay film of the one side of paper, another side presses layout part overlay film, obtains coagulation
Native facing paper;The paper is blotting paper, and the film is hydrophobic membrane;
B, concrete facing paper is completed:Concrete facing paper is laid in mold bottom, makes the one side of the figuratum film of tool
Upward;
C, casting concrete:Casting concrete in a mold;
D, maintenance and form removal:Form removal obtains concrete product after maintenance, hardening;
E, concrete facing paper is opened:It tears concrete facing paper from concrete product surface;
F, water rinses:It is rinsed with water the concrete product surface for concrete facing paper of tearing, aggregates is made to expose, mixed
Solidifying soil product surface obtains pattern.
Concrete has used the Portland cement that strength grade is not less than 42.5 grades in above-mentioned processing step.
For the pattern effect for quantifying final, the change rate of final concrete surface pattern and master pattern will be tested.Specifically
Way is that the flour of non-area of the pattern is removed to the full-filling of dried noodle powder particles so that area of the pattern is white, non-in area of the pattern
The grey of concrete is presented in area of the pattern.It takes pictures at this time to concrete, with software processing figure, with original image
Comparison, obtains graphic change rate.
The processing step of embodiment 1-9 is same as above, and wherein water absorption rate, thickness of paper and film thickness and product formed patterns effect assessment is shown in
Table 1:
The pattern effect of the feature and architectural concrete of 1 concrete facing paper of table
Comparative example:
The overlay film face of the art paper of one side film is stamped into liquid retarder by pattern, overlay film is face-up, remaining is the same as above-mentioned
Architectural concrete is made in step, and by many experiments, finally obtaining concrete pattern deformation can not distinguish that spread condition is serious,
Depth is inconsistent, is 89% with the change in pattern rate average value that same test method measures, index is unsatisfactory for design requirement.
Evaluation of result:By above-mentioned operation, it is fine to finally obtain concrete clear patterns in the present embodiment, no diffusion feelings
Condition, depth is more consistent, and index meets design requirement.And the liquid retarder in comparative example not only makes construction due to that can not form a film
Technology difficulty increases, it is also difficult to which the problem for avoiding the occurrence of diffusion, migration and pattern area change, depth unevenness occurs.It is comprehensive real
It applies both example 1~9 and comparative example change in pattern rate to compare, the change in pattern rate of embodiment reduces by 80%, Yi Jijing compared with comparative example
Thin degree greatly improves.
Claims (5)
1. a kind of production method of decorative concrete products, feature exist, include the following steps:
A, concrete facing paper is prepared:In the full overlay film of the one side of paper, another side presses layout part overlay film, obtains concrete dress
Adorn paper;The paper is blotting paper, and the film is hydrophobic membrane;
B, concrete facing paper is completed:Concrete facing paper is laid in mold bottom, makes the one side of the figuratum film of tool upward;
C, casting concrete:Casting concrete in a mold;
D, maintenance and form removal:Form removal obtains concrete product after maintenance, hardening;
E, concrete facing paper is opened:It tears concrete facing paper from concrete product surface;
F, water rinses:It is rinsed with water the concrete product surface for concrete facing paper of tearing, so that aggregates is exposed, in concrete
Product surface obtains pattern.
2. the production method of decorative concrete products as described in claim 1, which is characterized in that the Cobb values of the paper are 15
~400g/m2。
3. the production method of decorative concrete products as claimed in claim 2, which is characterized in that the Cobb values of the paper are optimal
For 30~300g/m2。
4. the production method of decorative concrete products as described in any one of claims 1-3, which is characterized in that the thickness of the paper
Degree is 0.02mm~0.5mm.
5. the production method of decorative concrete products as described in claim 1, which is characterized in that the thickness of the film is
0.005mm~0.030mm.
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CN108274589B CN108274589B (en) | 2020-08-07 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109591178A (en) * | 2018-12-24 | 2019-04-09 | 湖北工业大学 | The preparation method of masstone pattern transfer concrete |
CN109733106A (en) * | 2019-01-28 | 2019-05-10 | 郑州博鳌装饰材料有限公司 | Precast concrete plate New Image transfer film |
WO2021261982A1 (en) * | 2020-06-22 | 2021-12-30 | Нурлан Куандыкович ОМАРОВ | Method for manufacturing decorative concrete articles |
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JPH1136580A (en) * | 1997-07-24 | 1999-02-09 | Tokai Rubber Ind Ltd | Sheet for exposing pattern by washing uncured concrete |
JP2003080513A (en) * | 2001-09-13 | 2003-03-19 | Tokai Rubber Ind Ltd | Method for manufacturing concrete product with patterned surface and exposed aggregate finish design panel to be used for this method |
CN106116690A (en) * | 2015-06-23 | 2016-11-16 | 德国莱利化工科技有限公司 | Erosion slow setting facing art transfer film washed by concrete |
CN106393395A (en) * | 2016-09-22 | 2017-02-15 | 黄贺明 | Manufacturing method for concrete decorative hanging plate |
CN206128529U (en) * | 2016-09-30 | 2017-04-26 | 上海鼎中新材料有限公司 | Cement base concrete decorative board is with convenient shaping membrane of three -dimensional morals and manners veneer |
CN107128117A (en) * | 2017-06-21 | 2017-09-05 | 中民筑友科技投资有限公司 | The preparation method that a kind of band undisguisedly expects the decorative panel of pattern |
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2017
- 2017-12-29 CN CN201711479021.6A patent/CN108274589B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1136580A (en) * | 1997-07-24 | 1999-02-09 | Tokai Rubber Ind Ltd | Sheet for exposing pattern by washing uncured concrete |
JP2003080513A (en) * | 2001-09-13 | 2003-03-19 | Tokai Rubber Ind Ltd | Method for manufacturing concrete product with patterned surface and exposed aggregate finish design panel to be used for this method |
CN106116690A (en) * | 2015-06-23 | 2016-11-16 | 德国莱利化工科技有限公司 | Erosion slow setting facing art transfer film washed by concrete |
CN106393395A (en) * | 2016-09-22 | 2017-02-15 | 黄贺明 | Manufacturing method for concrete decorative hanging plate |
CN206128529U (en) * | 2016-09-30 | 2017-04-26 | 上海鼎中新材料有限公司 | Cement base concrete decorative board is with convenient shaping membrane of three -dimensional morals and manners veneer |
CN107128117A (en) * | 2017-06-21 | 2017-09-05 | 中民筑友科技投资有限公司 | The preparation method that a kind of band undisguisedly expects the decorative panel of pattern |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109591178A (en) * | 2018-12-24 | 2019-04-09 | 湖北工业大学 | The preparation method of masstone pattern transfer concrete |
CN109591178B (en) * | 2018-12-24 | 2020-06-02 | 湖北工业大学 | Preparation method of multi-tone pattern transfer printing concrete |
CN109733106A (en) * | 2019-01-28 | 2019-05-10 | 郑州博鳌装饰材料有限公司 | Precast concrete plate New Image transfer film |
WO2021261982A1 (en) * | 2020-06-22 | 2021-12-30 | Нурлан Куандыкович ОМАРОВ | Method for manufacturing decorative concrete articles |
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