CN113443844A - Glass fiber cement and production process thereof - Google Patents
Glass fiber cement and production process thereof Download PDFInfo
- Publication number
- CN113443844A CN113443844A CN202110320306.5A CN202110320306A CN113443844A CN 113443844 A CN113443844 A CN 113443844A CN 202110320306 A CN202110320306 A CN 202110320306A CN 113443844 A CN113443844 A CN 113443844A
- Authority
- CN
- China
- Prior art keywords
- parts
- glass fiber
- fiber
- cement
- glass
- 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
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
- C04B7/00—Hydraulic cements
- C04B7/22—Iron ore cements ; Iron rich cements, e.g. Ferrari cements, Kühl cements
-
- 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
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses glass fiber cement which is prepared from the following raw materials in parts by weight: 65-75 parts of limestone, 10-15 parts of clay, 0.5-1.5 parts of iron ore, 8.5-10.5 parts of coal, 1-3 parts of defoaming agent, 0.5-2.5 parts of early strength agent, 5-10 parts of glass fiber and 5-10 parts of synthetic fiber; according to the invention, the synthetic fibers are introduced into the glass fiber cement, and after a cement product cracks, the synthetic fibers crossing the cracks can become a main receiver of external force, compared with the existing cement, the cement has higher tensile and bending strength limit, especially the toughness is greatly improved, the mixing and stirring are carried out in a manner of firstly dry mixing and then wet mixing, so that the phenomenon that the glass fibers and the synthetic fibers are damaged due to the simultaneous mixing and wet mixing can be effectively avoided, the phenomenon that the glass fibers and the synthetic fibers are agglomerated due to long-time wet mixing can also be avoided, the influence on the quality of the whole glass fiber cement is avoided, and the effect is better.
Description
Technical Field
The invention relates to the technical field of cement, relates to glass fiber cement, and particularly relates to glass fiber cement and a production process thereof.
Background
The cement is a building material used in building construction, mainly composed of limestone, clay, iron ore, coal and other auxiliary materials, and the glass fiber is a reinforced high-quality cement made of glass fiber, mainly for increasing the strength of the cement and improving the firmness of the cement.
The existing glass fiber cement has certain defects in processing, firstly, the existing glass fiber cement increases the strength of the cement by only depending on glass fibers, lacks crack resistance, heat resistance and shock absorption, has poor corrosion resistance, poor moisture absorption effect and slow drying and solidification; secondly, the various admixtures of grade aggregate, water, glass fiber are usually mixed together and are stirred when current glass fiber cement is processed, will lead to like this that glass fiber needs to be in the mixer for a long time inside by long-time stirring, can lead to glass fiber to be destroyed, can also lead to glass fiber to appear the caking phenomenon moreover, lead to the later stage need reject the glass fiber after the caking, seriously influence the quality of whole glass fiber cement.
Disclosure of Invention
The invention aims to provide glass fiber cement, which solves the problems that the traditional glass fiber cement increases the cement strength by only depending on glass fiber, lacks crack resistance, heat resistance and shock absorption, has poor corrosion resistance, poor moisture absorption effect and slow drying and solidification; secondly, various additives such as grade aggregate, water and glass fiber are usually mixed together for stirring during processing of the existing glass fiber cement, so that the glass fiber is required to be positioned in a stirrer for a long time for stirring, the glass fiber is damaged, the glass fiber is agglomerated, the agglomerated glass fiber is required to be removed at a later stage, and the quality of the whole glass fiber cement is seriously influenced; in the invention, synthetic fibers are introduced into glass fiber cement, the synthetic fibers are composed of polypropylene fibers, polyamide fibers and vinylon fibers, wherein the polypropylene fibers can form fiber monofilaments or a net structure in mortar to be fully opened during stirring, so that the anti-crack reinforcing effect is realized, the polyamide fibers can enable the cement to have high mechanical strength, heat resistance, shock absorption, noise reduction, oil resistance, weak acid resistance and alkali resistance, and have excellent affinity with the glass fibers, the vinylon fibers can effectively increase the moisture absorption, corrosion resistance and light resistance of the cement, the moisture absorption is excellent, the drying and curing efficiency of the cement after construction can also be increased, the synthetic fibers crossing cracks can be used as main acceptors of external force after the cement product cracks, and compared with the existing cement, the synthetic fibers have higher tensile strength and bending strength limit, especially, the toughness is greatly improved; the method comprises the steps of firstly carrying out dry mixing on glass fibers, synthetic fibers and grade aggregate for 30s, adding the glass fibers and the synthetic fibers into the grade aggregate in batches in a mode of 2, 3 and 2, and finally adding water and other additives for wet mixing, so that the phenomenon that the glass fibers and the synthetic fibers are damaged due to the fact that the glass fibers and the synthetic fibers are mixed and subjected to wet mixing at the same time can be effectively avoided, the phenomenon that the glass fibers and the synthetic fibers are agglomerated due to long-time wet mixing can be avoided, and the quality of the whole glass fiber cement is prevented from being influenced.
The purpose of the invention can be realized by the following technical scheme:
the glass fiber cement is prepared from the following raw materials in parts by weight: 65-75 parts of limestone, 10-15 parts of clay, 0.5-1.5 parts of iron ore, 8.5-10.5 parts of coal, 1-3 parts of defoaming agent, 0.5-2.5 parts of early strength agent, 5-10 parts of glass fiber and 5-10 parts of synthetic fiber;
preferably, the glass fiber cement comprises the following components in parts by weight: 65 parts of limestone, 10 parts of clay, 0.5-part of iron ore, 8.5 parts of coal, 1 part of defoaming agent, 1 part of early strength agent, 7 parts of glass fiber and 7 parts of synthetic fiber;
a production process of glass fiber cement specifically comprises the following steps;
the method comprises the following steps: putting 65 parts of lime powder, 10 parts of clay, 0.5 part of iron ore and 8.5 parts of coal into a stirrer in proportion for uniform mixing to obtain grade aggregate A;
step two: after uniformly stirring, putting 7 parts of glass fiber and 7 parts of synthetic fiber into a stirrer for stirring three times to obtain grade aggregate B;
step three: and respectively adding water, 1 part of defoaming agent and 1 part of early strength agent into the grade aggregate B, and uniformly stirring to obtain the glass fiber cement.
Further, the synthetic fibers comprise polypropylene fibers, polyamide fibers and vinylon fibers, wherein the proportions of the polypropylene fibers, the polyamide fibers and the vinylon fibers are 2-5 parts, 2-3 parts and 1-2 parts respectively.
Further, in the first step, the stirring time is 5-10min, and the stirring speed is 60 r/min.
In the second step, 2 parts, 3 parts and 2 parts of glass fiber and 7 parts of synthetic fiber are added into the stirrer for three times.
In the second step, 7 parts of glass fiber and 7 parts of synthetic fiber are put into the stirrer three times, and the interval time is 30 s.
Further, in the third step, the stirring time of the grade aggregate B, the water, the defoaming agent and the early strength agent is 120s, and the rotating speed of the stirrer is 50 r/min.
The invention has the beneficial effects that:
by incorporating synthetic fibers in glass fiber cement, the synthetic fibers are composed of polypropylene fibers, polyamide fibers and vinylon fibers:
the polypropylene fibers can form fiber monofilaments or a net-shaped structure in the mortar to be fully opened during stirring, so that the anti-crack reinforcing effect is realized;
the polyamide fiber can enable the cement to have high mechanical strength, heat resistance, shock absorption, noise reduction, oil resistance, weak acid resistance and alkali resistance, and has excellent affinity with the glass fiber;
the vinylon fiber can effectively increase the hygroscopicity, the corrosion resistance and the light resistance of cement, and the excellent hygroscopicity can also increase the drying and curing efficiency of the cement after construction;
after the cement product cracks, the synthetic fibers crossing the cracks can become main acceptors of external force, and compared with the existing cement, the synthetic fibers have higher tensile strength and bending strength limit strength, and particularly have large improvement range of toughness;
the method comprises the steps of firstly carrying out dry mixing on glass fibers, synthetic fibers and grade aggregate for 30s, adding the glass fibers and the synthetic fibers into the grade aggregate in batches in a mode of 2, 3 and 2, and finally adding water and other additives for wet mixing, so that the phenomenon that the glass fibers and the synthetic fibers are damaged due to the fact that the glass fibers and the synthetic fibers are mixed and subjected to wet mixing at the same time can be effectively avoided, the phenomenon that the glass fibers and the synthetic fibers are agglomerated due to long-time wet mixing can be avoided, and the quality of the whole glass fiber cement is prevented from being influenced.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The glass fiber cement is prepared from the following raw materials in parts by weight: 65-75 parts of limestone, 10-15 parts of clay, 0.5-1.5 parts of iron ore, 8.5-10.5 parts of coal, 1-3 parts of defoaming agent, 0.5-2.5 parts of early strength agent, 5-10 parts of glass fiber and 5-10 parts of synthetic fiber;
the glass fiber cement comprises the following components in parts by weight: 65 parts of limestone, 10 parts of clay, 0.5-part of iron ore, 8.5 parts of coal, 1 part of defoaming agent, 1 part of early strength agent, 7 parts of glass fiber and 7 parts of synthetic fiber;
the production process of the glass fiber cement specifically comprises the following steps:
the method comprises the following steps: putting 65 parts of lime powder, 10 parts of clay, 0.5 part of iron ore and 8.5 parts of coal into a stirrer in proportion for uniform mixing to obtain grade aggregate A;
step two: after uniformly stirring, putting 7 parts of glass fiber and 7 parts of synthetic fiber into a stirrer for stirring three times to obtain grade aggregate B;
step three: and respectively adding water, 1 part of defoaming agent and 1 part of early strength agent into the grade aggregate B, and uniformly stirring to obtain the glass fiber cement.
The synthetic fiber comprises polypropylene fiber, polyamide fiber and vinylon fiber, wherein the proportions of the polypropylene fiber, the polyamide fiber and the vinylon fiber are respectively 2-5 parts, 2-3 parts and 1-2 parts.
Step one, the stirring time is 5-10min, and the stirring speed is 60 r/min.
In the second step, the amounts of 7 parts of glass fiber and 7 parts of synthetic fiber which are put into the stirrer for three times are 2 parts, 3 parts and 2 parts.
In the second step, the interval time of putting 7 parts of glass fiber and 7 parts of synthetic fiber into the stirrer for three times is 30 s.
In the third step, the stirring time of the grade aggregate B, the water, the defoaming agent and the early strength agent is 120s, and the rotating speed of the stirrer is 50 r/min.
The invention introduces the synthetic fiber into the glass fiber cement, the synthetic fiber is composed of polypropylene fiber, polyamide fiber and vinylon fiber, wherein the polypropylene fiber can form fiber monofilament or net structure in the mortar to be fully opened during stirring, thereby realizing the anti-crack reinforcing effect, the polyamide fiber can enable the cement to have high mechanical strength, heat resistance, shock absorption, noise reduction, oil resistance, weak acid resistance and alkali resistance, and has excellent affinity with the glass fiber, wherein the vinylon fiber can effectively increase the moisture absorption, corrosion resistance and light resistance of the cement, the moisture absorption is excellent, the drying and curing efficiency of the cement after construction can also be increased, the synthetic fiber crossing the crack can become the main receptor of external force after the cement product cracks, and has higher tensile strength and bending strength limit compared with the existing cement, especially, the toughness is greatly improved; the method comprises the steps of firstly carrying out dry mixing on glass fibers, synthetic fibers and grade aggregate for 30s, adding the glass fibers and the synthetic fibers into the grade aggregate in batches in a mode of 2, 3 and 2, and finally adding water and other additives for wet mixing, so that the phenomenon that the glass fibers and the synthetic fibers are damaged due to the fact that the glass fibers and the synthetic fibers are mixed and subjected to wet mixing at the same time can be effectively avoided, the phenomenon that the glass fibers and the synthetic fibers are agglomerated due to long-time wet mixing can be avoided, and the quality of the whole glass fiber cement is prevented from being influenced.
The foregoing is merely exemplary and illustrative of the principles of the present invention and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the principles of the present invention or exceeding the scope of the claims set forth herein.
Claims (8)
1. A glass fiber cement is characterized in that: the glass fiber cement is prepared from the following raw materials in parts by weight: 65-75 parts of limestone, 10-15 parts of clay, 0.5-1.5 parts of iron ore, 8.5-10.5 parts of coal, 1-3 parts of defoaming agent, 0.5-2.5 parts of early strength agent, 5-10 parts of glass fiber and 5-10 parts of synthetic fiber.
2. The glass fiber cement according to claim 1, wherein the glass fiber cement comprises the following components in parts by weight: 65 parts of limestone, 10 parts of clay, 0.5-part of iron ore, 8.5 parts of coal, 1 part of defoaming agent, 1 part of early strength agent, 7 parts of glass fiber and 7 parts of synthetic fiber.
3. The process for the production of glass fiber cement according to claim 1, characterized in that it comprises in particular the following steps:
the method comprises the following steps: putting 65 parts of lime powder, 10 parts of clay, 0.5 part of iron ore and 8.5 parts of coal into a stirrer in proportion for uniform mixing to obtain grade aggregate A;
step two: after uniformly stirring, putting 7 parts of glass fiber and 7 parts of synthetic fiber into a stirrer for stirring three times to obtain grade aggregate B;
step three: and respectively adding water, 1 part of defoaming agent and 1 part of early strength agent into the grade aggregate B, and uniformly stirring to obtain the glass fiber cement.
4. The process for producing glass fiber cement according to claim 1, wherein: the synthetic fiber comprises polypropylene fiber, polyamide fiber and vinylon fiber, wherein the proportions of the polypropylene fiber, the polyamide fiber and the vinylon fiber are respectively 2-5 parts, 2-3 parts and 1-2 parts.
5. A process for the production of glass fibre cement according to claim 3, characterised in that: in the first step, the stirring time is 5-10min, and the stirring speed is 60 r/min.
6. A process for the production of glass fibre cement according to claim 3, characterised in that: in the second step, the weight of 7 parts of glass fiber and 7 parts of synthetic fiber which are put into the stirrer for three times are 2 parts, 3 parts and 2 parts.
7. A process for the production of glass fibre cement according to claim 3, characterised in that: in the second step, the interval time of putting 7 parts of glass fiber and 7 parts of synthetic fiber into the stirrer for three times is 30 s.
8. A process for the production of glass fibre cement according to claim 3, characterised in that: in the third step, the stirring time of the grade aggregate B, the water, the defoaming agent and the early strength agent is 120s, and the rotating speed of the stirrer is 50 r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110320306.5A CN113443844A (en) | 2021-03-25 | 2021-03-25 | Glass fiber cement and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110320306.5A CN113443844A (en) | 2021-03-25 | 2021-03-25 | Glass fiber cement and production process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113443844A true CN113443844A (en) | 2021-09-28 |
Family
ID=77809345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110320306.5A Pending CN113443844A (en) | 2021-03-25 | 2021-03-25 | Glass fiber cement and production process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113443844A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101665342A (en) * | 2009-09-18 | 2010-03-10 | 徐世烺 | High-tenacity crack-control impervious fiber concrete |
| CN103664090A (en) * | 2013-12-19 | 2014-03-26 | 中国中材国际工程股份有限公司 | Fiber-hybrid high-ductility cement-based composite material and preparation method thereof |
| CN103964795A (en) * | 2014-03-04 | 2014-08-06 | 杭州固华复合材料科技有限公司 | Reinforced cement based composite material with fiber woven mesh and preparation method of reinforced cement based composite material |
| CN104211344A (en) * | 2014-09-11 | 2014-12-17 | 中国中材国际工程股份有限公司 | Low-heat and high-ductility cement-based composite material and preparation method thereof |
| CN106186751A (en) * | 2016-07-13 | 2016-12-07 | 宿迁南航新材料与装备制造研究院有限公司 | A kind of glass fiber reinforced cement and preparation method thereof |
| US20170342654A1 (en) * | 2015-01-19 | 2017-11-30 | Teijin Limited | Fiber material for cement reinforcement |
| CN110698097A (en) * | 2019-11-18 | 2020-01-17 | 衡阳县海华水泥有限责任公司 | Anti-cracking reinforced cement and preparation method thereof |
| CN110698152A (en) * | 2019-11-26 | 2020-01-17 | 衡阳县海华水泥有限责任公司 | Early-strength roadbed repairing cement |
-
2021
- 2021-03-25 CN CN202110320306.5A patent/CN113443844A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101665342A (en) * | 2009-09-18 | 2010-03-10 | 徐世烺 | High-tenacity crack-control impervious fiber concrete |
| CN103664090A (en) * | 2013-12-19 | 2014-03-26 | 中国中材国际工程股份有限公司 | Fiber-hybrid high-ductility cement-based composite material and preparation method thereof |
| CN103964795A (en) * | 2014-03-04 | 2014-08-06 | 杭州固华复合材料科技有限公司 | Reinforced cement based composite material with fiber woven mesh and preparation method of reinforced cement based composite material |
| CN104211344A (en) * | 2014-09-11 | 2014-12-17 | 中国中材国际工程股份有限公司 | Low-heat and high-ductility cement-based composite material and preparation method thereof |
| US20170342654A1 (en) * | 2015-01-19 | 2017-11-30 | Teijin Limited | Fiber material for cement reinforcement |
| CN106186751A (en) * | 2016-07-13 | 2016-12-07 | 宿迁南航新材料与装备制造研究院有限公司 | A kind of glass fiber reinforced cement and preparation method thereof |
| CN110698097A (en) * | 2019-11-18 | 2020-01-17 | 衡阳县海华水泥有限责任公司 | Anti-cracking reinforced cement and preparation method thereof |
| CN110698152A (en) * | 2019-11-26 | 2020-01-17 | 衡阳县海华水泥有限责任公司 | Early-strength roadbed repairing cement |
Non-Patent Citations (2)
| Title |
|---|
| 李继业等: "《道路工程常用混凝土实用技术手册》", 31 January 2008, 中国建材工业出版社 * |
| 杨金铎等: "《装饰装修材料》", 30 November 2019, 中国建材工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107417204A (en) | It is a kind of can 3D printing CHARACTERISTICS OF TAILINGS SAND fiber concrete and its preparation, application method | |
| CN106810154A (en) | Mix superhigh tenacity cement-base composite material of PVA fibers and preparation method thereof | |
| CN112521096A (en) | Slag soil baking-free brick and preparation method thereof | |
| CN111410499A (en) | Modified phosphogypsum-based concrete prefabricated part and preparation method thereof | |
| CN108129102A (en) | Can 3D printing PVA- basalt assorted fibre high tenacity concrete and application method | |
| CN110776287A (en) | Fiber self-compacting concrete and manufacturing method thereof | |
| CN106365544A (en) | Fiber-reinforced concrete | |
| CN113105179A (en) | Anti-cracking waterproof concrete and preparation method thereof | |
| CN114014603B (en) | High-water-retention mortar formula | |
| CN110776284A (en) | STC ultra-high-toughness concrete formula and production process | |
| CN113443844A (en) | Glass fiber cement and production process thereof | |
| CN109534702A (en) | A kind of production method of high strength cement | |
| CN116924736A (en) | Cast-in-place concrete of bridge deck slab with reinforced concrete composite structure and construction process thereof | |
| CN110759684B (en) | Double-aggregate cement mortar and preparation method thereof | |
| CN111548087A (en) | Anti-crack concrete | |
| CN111548114A (en) | High-performance concrete and preparation method thereof | |
| CN114804803A (en) | High-strength moisture-proof gypsum block for wall and preparation method thereof | |
| CN100534944C (en) | Granulated sugar retarded cement and production method and application of granulated sugar in retarded cement | |
| CN112028581B (en) | Stone chip concrete for steel die and preparation method thereof | |
| CN107352895A (en) | One kind regeneration motar and preparation method thereof | |
| CN116119993B (en) | Light compressive building material for assembled building and preparation method thereof | |
| CN113443860A (en) | Steel fiber concrete and production process thereof | |
| CN113603414B (en) | Green dry-mixed guniting slope-fixing material and preparation method and use method thereof | |
| CN106866049A (en) | A kind of manufacture craft of trashformation brick | |
| CN115466077B (en) | High-performance phosphogypsum self-leveling agent and application method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210928 |
|
| RJ01 | Rejection of invention patent application after publication |