CN106966676A - Environmentally friendly water-fast filleting gypsum and preparation method thereof - Google Patents
Environmentally friendly water-fast filleting gypsum and preparation method thereof Download PDFInfo
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- CN106966676A CN106966676A CN201710201573.4A CN201710201573A CN106966676A CN 106966676 A CN106966676 A CN 106966676A CN 201710201573 A CN201710201573 A CN 201710201573A CN 106966676 A CN106966676 A CN 106966676A
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- 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
- C04B28/14—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 calcium sulfate 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/023—Chemical treatment
-
- 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/60—Agents for protection against chemical, physical or biological attack
- C04B2103/67—Biocides
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/60—Agents for protection against chemical, physical or biological attack
- C04B2103/67—Biocides
- C04B2103/69—Fungicides
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00663—Uses not provided for elsewhere in C04B2111/00 as filling material for cavities or the like
- C04B2111/00672—Pointing or jointing materials
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/2092—Resistance against biological degradation
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
Abstract
It is specifically a kind of environmentally friendly water-fast filleting gypsum and preparation method thereof the present invention relates to gypsum production technical field；The filleting gypsum includes the raw material of following parts by weight：50 parts of gypsum, 5 15 parts of portland cement, 26 parts of calcium hydroxide, 10 30 parts of re-dispersible glue powder, 5 10 parts of silica white, 5 15 parts of natural micro porous material, modified inorganic 15 parts of mould inhibitor of nanometer, 15 parts of compound preservative, 15 parts of starch grafted acrylate crosslinking copolymerization thing, 15 parts of sodium carboxymethylcellulose；Filleting gypsum that the present invention is provided is difficult for drop-off, product performance is good, and environmental protection is water-fast.
Description
Technical field
It is specifically a kind of environmentally friendly water-fast filleting gypsum and preparation method thereof the present invention relates to gypsum production technical field.
Background technology
Filleting gypsum is the material for being used to fill gap between floor tile or wall plasterboard in building construction process, is
Essential auxiliary products are decorated in indoor decoration.
In the prior art in order to improve the adhesive property of filleting gypsum, and more organic gluing is added in filleting gypsum
Agent product so that filleting gypsum is met water and easily expanded, easily shrinks when drying and comes off, the performance of product is poor.
The content of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of good environmentally friendly water-fast of difficult for drop-off, product performance
Filleting gypsum, and its preparation method.
To achieve the above object, the technical scheme is that：
A kind of environmentally friendly water-fast filleting gypsum, includes the raw material of following parts by weight：50 parts of gypsum, portland cement 5-15
Part, 2-6 parts of calcium hydroxide, 10-30 parts of re-dispersible glue powder, 5-10 parts of silica white, 5-15 parts of natural micro porous material, modified inorganic
1-5 parts of mould inhibitor of nanometer, 1-5 parts of compound preservative, 1-5 parts of starch grafted acrylate crosslinking copolymerization thing, carboxymethyl is fine
Plain 1-5 parts of the sodium of dimension.
Further, described environmentally friendly water-fast filleting gypsum, includes the raw material of following parts by weight：50 parts of gypsum, silicic acid
6-12 parts of salt cement, 3-5 parts of calcium hydroxide, 15-25 parts of re-dispersible glue powder, 6-8 parts of silica white, natural micro porous material 7-12
Part, modified inorganic 2-4 parts of mould inhibitor of nanometer, 1-4 parts of compound preservative, starch grafted acrylate crosslinking copolymerization thing 2-4
Part, 1-3 parts of sodium carboxymethylcellulose.
Further, described environmentally friendly water-fast filleting gypsum, includes the raw material of following parts by weight：50 parts of gypsum, silicic acid
10 parts of salt cement, 3 parts of calcium hydroxide, 20 parts of re-dispersible glue powder, 6 parts of silica white, 10 parts of natural micro porous material, modified inorganic is received
3 parts of mould inhibitor of rice, 3 parts of compound preservative, 4 parts of starch grafted acrylate crosslinking copolymerization thing, sodium carboxymethylcellulose 2
Part.
Further, the re-dispersible glue powder is selected from ethylene-vinyl acetate copolymer, vinyl acetate-versatic acid second
At least one of alkene copolymer, acrylic copolymer.
Further, any one of the natural micro porous material in sepiolite, diatom ooze and oyster shell whiting.
Further, the preparation method of the modified inorganic nanometer mould inhibitor is as follows：By superfine copper powder and nanometer
Titanium dioxide is placed on progress surface modification in ethanol-acetic acid mixed liquor, produces inorganic nano mould inhibitor.
Further, the particle diameter of the superfine copper powder is 300nm-5um, and the particle diameter of the nano titanium oxide is 10-
100nm。
Further, the weight ratio of the superfine copper powder, nano titanium oxide, ethanol-acetic acid mixed liquor is 1-2:
0.5-1∶2-5。
Further, the compound preservative is the compound that cuprous sulfocyanide and 1,2- benzisothiazole-3-ketone are constituted.
A kind of preparation method of environmentally friendly water-fast filleting gypsum, comprises the following steps：
(1) each raw material is measured respectively by formula；
(2) gypsum, portland cement and natural micro porous material are mixed, obtains mixed powder；
(3) clear water is added, the addition of clear water is can soak mixed powder；
(4) surplus stock is added into mixed powder, then whole materials are transferred in reactor and are stirred mixing,
Mixing speed is 100-300 revs/min, and mixing time is 15-30 minutes；
(5) mixed material is taken out, dries, then crush at a temperature of being placed in 300 DEG C, cross 200 mesh sieves, produce environmental protection resistance to
Water filleting gypsum.
The beneficial effect of protrusion that the present invention has compared with prior art is：
Rationally, obtained product has good humidity conditioning function to the filleting gypsum component compatibility that the present invention is provided, after use
It is difficult for drop-off, good product performance.Natural micro porous material in formula can actively store or discharge moisture, therefore, after use, production
Product will not expand because increasing environment steam, will not also be come off because of later drying, water resistance is good, long product lifecycle.
The present invention is by re-dispersible glue powder, and the mixture of starch grafted acrylate crosslinking copolymerization thing and sodium carboxymethylcellulose is adjusted
The viscosity of product is saved, method is simple, and product is more environmentally friendly.In addition, the present invention also added modified inorganic in filleting gypsum and receive
Rice mould inhibitor and compound preservative, improve the anticorrosive mildewproof performance of product, further increase the service life of product
And performance.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Embodiment 1：
A kind of environmentally friendly water-fast filleting gypsum, includes the raw material of following parts by weight：50 parts of gypsum, 5 parts of portland cement, hydrogen
6 parts of calcium oxide, re-dispersible glue powder：10 parts of ethylene-vinyl acetate copolymer, 10 parts of silica white, natural micro porous material：Shell
5 parts of powder, modified inorganic 5 parts of mould inhibitor of nanometer, 1 part of cuprous sulfocyanide -1,2- benzisothiazole-3-ketone compound preservative,
5 parts of starch grafted acrylate crosslinking copolymerization thing, 1 part of sodium carboxymethylcellulose.
In the present embodiment, the preparation method of modified inorganic nanometer mould inhibitor is as follows：By superfine copper powder and nanometer two
Titanium oxide is placed on progress surface modification in ethanol-acetic acid mixed liquor, produces inorganic nano mould inhibitor.Wherein, superfine copper
The particle diameter of powder is 300nm-5um, and the particle diameter of nano titanium oxide is 10-100nm.Superfine copper powder, nano titanium oxide, second
The weight ratio of alcohol-acetic acid mixed liquor is 1.5: 0.6: 3.
A kind of preparation method of environmentally friendly water-fast filleting gypsum, comprises the following steps：
(1) each raw material is measured respectively by formula；
(2) gypsum, portland cement and natural micro porous material are mixed, obtains mixed powder；
(3) clear water is added, the addition of clear water is can soak mixed powder；
(4) surplus stock is added into mixed powder, then whole materials are transferred in reactor and are stirred mixing,
Mixing speed is 100-300 revs/min, and mixing time is 15-30 minutes；
(5) mixed material is taken out, dries, then crush at a temperature of being placed in 300 DEG C, cross 200 mesh sieves, produce environmental protection resistance to
Water filleting gypsum.
Embodiment 2：
A kind of environmentally friendly water-fast filleting gypsum, includes the raw material of following parts by weight：50 parts of gypsum, 15 parts of portland cement,
2 parts of calcium hydroxide, re-dispersible glue powder：10 parts of ethylene-vinyl acetate copolymer, 20 parts of acrylic copolymer, silica white 5
Part, natural micro porous material：15 parts of sepiolite, modified inorganic 1 part of mould inhibitor of nanometer, cuprous sulfocyanide -1,2- benzisothia
5 parts of azoles -3- ketone compound preservative, 1 part of starch grafted acrylate crosslinking copolymerization thing, 5 parts of sodium carboxymethylcellulose.
In the present embodiment, the preparation method of modified inorganic nanometer mould inhibitor is as follows：By superfine copper powder and nanometer two
Titanium oxide is placed on progress surface modification in ethanol-acetic acid mixed liquor, produces inorganic nano mould inhibitor.Wherein, superfine copper
The particle diameter of powder is 300nm-5um, and the particle diameter of nano titanium oxide is 10-100nm.Superfine copper powder, nano titanium oxide, second
The weight ratio of alcohol-acetic acid mixed liquor is 1.5: 0.8: 3.
A kind of preparation method be the same as Example 1 of environmentally friendly water-fast filleting gypsum.
Embodiment 3：
A kind of environmentally friendly water-fast filleting gypsum, includes the raw material of following parts by weight：50 parts of gypsum, 12 parts of portland cement,
3 parts of calcium hydroxide, re-dispersible glue powder：Vinyl acetate -25 parts of versatic acid ethylene copolymer, 6 parts of silica white, natural micropore material
Material：12 parts of diatom ooze, modified inorganic 2 parts of mould inhibitor of nanometer, cuprous sulfocyanide -1,2- benzisothiazole-3-ketone is compound anti-
Rotten 4 parts of agent, 2 parts of starch grafted acrylate crosslinking copolymerization thing, 3 parts of sodium carboxymethylcellulose.
In the present embodiment, the preparation method of modified inorganic nanometer mould inhibitor is as follows：By superfine copper powder and nanometer two
Titanium oxide is placed on progress surface modification in ethanol-acetic acid mixed liquor, produces inorganic nano mould inhibitor.Wherein, superfine copper
The particle diameter of powder is 300nm-5um, and the particle diameter of nano titanium oxide is 10-100nm.Superfine copper powder, nano titanium oxide, second
The weight ratio of alcohol-acetic acid mixed liquor is 1: 1: 2.
A kind of preparation method be the same as Example 1 of environmentally friendly water-fast filleting gypsum.
Embodiment 4：
A kind of environmentally friendly water-fast filleting gypsum, includes the raw material of following parts by weight：50 parts of gypsum, 6 parts of portland cement, hydrogen
5 parts of calcium oxide, re-dispersible glue powder：15 parts of ethylene-vinyl acetate copolymer, 8 parts of silica white, natural micro porous material：Shell
7 parts of powder, modified inorganic 4 parts of mould inhibitor of nanometer, 1 part of cuprous sulfocyanide -1,2- benzisothiazole-3-ketone compound preservative,
4 parts of starch grafted acrylate crosslinking copolymerization thing, 1 part of sodium carboxymethylcellulose.
In the present embodiment, the preparation method of modified inorganic nanometer mould inhibitor is as follows：By superfine copper powder and nanometer two
Titanium oxide is placed on progress surface modification in ethanol-acetic acid mixed liquor, produces inorganic nano mould inhibitor.Wherein, superfine copper
The particle diameter of powder is 300nm-5um, and the particle diameter of nano titanium oxide is 10-100nm.Superfine copper powder, nano titanium oxide, second
The weight ratio of alcohol-acetic acid mixed liquor is 2: 0.5: 5.
A kind of preparation method be the same as Example 1 of environmentally friendly water-fast filleting gypsum.
Embodiment 5：
A kind of environmentally friendly water-fast filleting gypsum, includes the raw material of following parts by weight：50 parts of gypsum, 10 parts of portland cement,
3 parts of calcium hydroxide, re-dispersible glue powder：10 parts of ethylene-vinyl acetate copolymer, vinyl acetate-versatic acid ethylene copolymer
10 parts, 6 parts of silica white, natural micro porous material：10 parts of sepiolite, modified inorganic 3 parts of mould inhibitor of nanometer, cuprous sulfocyanide-
1,2- 3 parts of benzisothiazole-3-ketone compound preservative, 4 parts of starch grafted acrylate crosslinking copolymerization thing, sodium carboxymethylcellulose
2 parts.
In the present embodiment, the preparation method of modified inorganic nanometer mould inhibitor is as follows：By superfine copper powder and nanometer two
Titanium oxide is placed on progress surface modification in ethanol-acetic acid mixed liquor, produces inorganic nano mould inhibitor.Wherein, superfine copper
The particle diameter of powder is 300nm-5um, and the particle diameter of nano titanium oxide is 10-100nm.Superfine copper powder, nano titanium oxide, second
The weight ratio of alcohol-acetic acid mixed liquor is 1: 0.6: 2.
A kind of preparation method be the same as Example 1 of environmentally friendly water-fast filleting gypsum.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of environmentally friendly water-fast filleting gypsum, it is characterised in that include the raw material of following parts by weight：50 parts of gypsum, silicate
5-15 parts of cement, 2-6 parts of calcium hydroxide, 10-30 parts of re-dispersible glue powder, 5-10 parts of silica white, 5-15 parts of natural micro porous material,
Modified inorganic 1-5 parts of mould inhibitor of nanometer, 1-5 parts of compound preservative, 1-5 parts of starch grafted acrylate crosslinking copolymerization thing,
1-5 parts of sodium carboxymethylcellulose.
2. environmentally friendly water-fast filleting gypsum as claimed in claim 1, it is characterised in that include the raw material of following parts by weight：Stone
50 parts of cream, 6-12 parts of portland cement, 3-5 parts of calcium hydroxide, 15-25 parts of re-dispersible glue powder, 6-8 parts of silica white is natural micro-
7-12 parts of Porous materials, modified inorganic 2-4 parts of mould inhibitor of nanometer, 1-4 parts of compound preservative, starch grafted acrylate copolymerization
2-4 parts of cross-linking agent, 1-3 parts of sodium carboxymethylcellulose.
3. environmentally friendly water-fast filleting gypsum as claimed in claim 1, it is characterised in that include the raw material of following parts by weight：Stone
50 parts of cream, 10 parts of portland cement, 3 parts of calcium hydroxide, 20 parts of re-dispersible glue powder, 6 parts of silica white, natural micro porous material 10
Part, modified inorganic 3 parts of mould inhibitor of nanometer, 3 parts of compound preservative, 4 parts of starch grafted acrylate crosslinking copolymerization thing, carboxylic first
2 parts of base sodium cellulosate.
4. environmentally friendly water-fast filleting gypsum as claimed in claim 1, it is characterised in that the re-dispersible glue powder be selected from ethene-
At least one of vinyl acetate co-polymer, vinyl acetate-versatic acid ethylene copolymer, acrylic copolymer.
5. environmentally friendly water-fast filleting gypsum as claimed in claim 1, it is characterised in that the natural micro porous material is selected from Hai Pao
Any one in stone, diatom ooze and oyster shell whiting.
6. environmentally friendly water-fast filleting gypsum as claimed in claim 1, it is characterised in that the modified inorganic nanometer mould inhibitor
Preparation method it is as follows：Superfine copper powder and nano titanium oxide are placed on progress surface modification in ethanol-acetic acid mixed liquor, i.e.,
Obtain inorganic nano mould inhibitor.
7. environmentally friendly water-fast filleting gypsum as claimed in claim 6, it is characterised in that the particle diameter of the superfine copper powder is
300nm-5um, the particle diameter of the nano titanium oxide is 10-100nm.
8. environmentally friendly water-fast filleting gypsum as claimed in claim 6, it is characterised in that the superfine copper powder, nanometer titanium dioxide
The weight ratio of titanium, ethanol-acetic acid mixed liquor is 1-2: 0.5-1: 2-5.
9. environmentally friendly water-fast filleting gypsum as claimed in claim 1, it is characterised in that the compound preservative is cuprous sulfocyanide
The compound constituted with 1,2- benzisothiazole-3-ketones.
10. a kind of preparation method of environmentally friendly water-fast filleting gypsum as claimed in any one of claims 1-9 wherein, it is characterised in that
Comprise the following steps：
(1) each raw material is measured respectively by formula；
(2) gypsum, portland cement and natural micro porous material are mixed, obtains mixed powder；
(3) clear water is added, the addition of clear water is can soak mixed powder；
(4) surplus stock is added into mixed powder, then whole materials are transferred in reactor and are stirred mixing, is stirred
Speed is 100-300 revs/min, and mixing time is 15-30 minutes；
(5) mixed material is taken out, dries, then crush at a temperature of being placed in 300 DEG C, cross 200 mesh sieves, produce environmental protection water-fast embedding
Stitch gypsum.
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Cited By (5)
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| CN108952199A (en) * | 2018-07-16 | 2018-12-07 | 江苏华欣装饰集团有限公司 | A kind of cracking of wall surface method for repairing and mending |
| CN110436805A (en) * | 2018-05-04 | 2019-11-12 | 北新集团建材股份有限公司 | The method for innocent treatment of filleting land plaster and preparation method thereof and ardealite |
| CN112028588A (en) * | 2020-08-26 | 2020-12-04 | 龙牌粉料(太仓)有限公司 | Thin-batch non-dusting caulking gypsum and preparation process thereof |
| CN114436574A (en) * | 2022-02-24 | 2022-05-06 | 西安理工大学 | Inactivation-sterilization high-corrosion-resistance double-fiber modified repair mortar and preparation method thereof |
| CN114507036A (en) * | 2022-02-24 | 2022-05-17 | 西安理工大学 | Inactivated and sterilized high-corrosion-resistance basalt fiber modified concrete and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110436805A (en) * | 2018-05-04 | 2019-11-12 | 北新集团建材股份有限公司 | The method for innocent treatment of filleting land plaster and preparation method thereof and ardealite |
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| CN112028588A (en) * | 2020-08-26 | 2020-12-04 | 龙牌粉料(太仓)有限公司 | Thin-batch non-dusting caulking gypsum and preparation process thereof |
| CN114436574A (en) * | 2022-02-24 | 2022-05-06 | 西安理工大学 | Inactivation-sterilization high-corrosion-resistance double-fiber modified repair mortar and preparation method thereof |
| CN114507036A (en) * | 2022-02-24 | 2022-05-17 | 西安理工大学 | Inactivated and sterilized high-corrosion-resistance basalt fiber modified concrete and preparation method thereof |
| CN114436574B (en) * | 2022-02-24 | 2023-08-22 | 西安理工大学 | Inactivated sterilizing high-corrosion-resistance double-fiber modified repair mortar and preparation method thereof |
| CN114507036B (en) * | 2022-02-24 | 2023-10-13 | 西安理工大学 | Inactivated and sterilized basalt fiber modified concrete with high corrosion resistance and preparation method thereof |
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