KR20170014037A - 건축용 시멘트 첨가제 조성물 및 이를 포함하는 건축용 시멘트 첨가제 - Google Patents
건축용 시멘트 첨가제 조성물 및 이를 포함하는 건축용 시멘트 첨가제 Download PDFInfo
- Publication number
- KR20170014037A KR20170014037A KR1020150106405A KR20150106405A KR20170014037A KR 20170014037 A KR20170014037 A KR 20170014037A KR 1020150106405 A KR1020150106405 A KR 1020150106405A KR 20150106405 A KR20150106405 A KR 20150106405A KR 20170014037 A KR20170014037 A KR 20170014037A
- Authority
- KR
- South Korea
- Prior art keywords
- cement
- cellulose
- cellulose ether
- construction
- cement additive
- 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.)
- Ceased
Links
- 239000004568 cement Substances 0.000 title claims abstract description 79
- 239000000654 additive Substances 0.000 title claims abstract description 31
- 230000000996 additive effect Effects 0.000 title claims abstract description 30
- 239000000203 mixture Substances 0.000 title claims abstract description 20
- 238000010276 construction Methods 0.000 title abstract description 23
- 229920003086 cellulose ether Polymers 0.000 claims abstract description 52
- 239000000843 powder Substances 0.000 claims abstract description 4
- 239000004570 mortar (masonry) Substances 0.000 claims description 16
- 229920001479 Hydroxyethyl methyl cellulose Polymers 0.000 claims description 10
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 8
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 8
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 8
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 229920013820 alkyl cellulose Polymers 0.000 claims description 6
- 229920000896 Ethulose Polymers 0.000 claims description 5
- 239000001859 Ethyl hydroxyethyl cellulose Substances 0.000 claims description 5
- 235000019326 ethyl hydroxyethyl cellulose Nutrition 0.000 claims description 5
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 4
- 229920002678 cellulose Polymers 0.000 claims description 4
- 239000001913 cellulose Substances 0.000 claims description 4
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 4
- 239000011505 plaster Substances 0.000 claims description 4
- LNAZSHAWQACDHT-XIYTZBAFSA-N (2r,3r,4s,5r,6s)-4,5-dimethoxy-2-(methoxymethyl)-3-[(2s,3r,4s,5r,6r)-3,4,5-trimethoxy-6-(methoxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6r)-4,5,6-trimethoxy-2-(methoxymethyl)oxan-3-yl]oxyoxane Chemical compound CO[C@@H]1[C@@H](OC)[C@H](OC)[C@@H](COC)O[C@H]1O[C@H]1[C@H](OC)[C@@H](OC)[C@H](O[C@H]2[C@@H]([C@@H](OC)[C@H](OC)O[C@@H]2COC)OC)O[C@@H]1COC LNAZSHAWQACDHT-XIYTZBAFSA-N 0.000 claims description 3
- 229920013821 hydroxy alkyl cellulose Polymers 0.000 claims description 3
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims description 3
- 229920000609 methyl cellulose Polymers 0.000 claims description 3
- 239000001923 methylcellulose Substances 0.000 claims description 3
- 235000010981 methylcellulose Nutrition 0.000 claims description 3
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 206010016807 Fluid retention Diseases 0.000 description 13
- 238000006703 hydration reaction Methods 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 230000009471 action Effects 0.000 description 7
- 239000011083 cement mortar Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 230000000704 physical effect Effects 0.000 description 6
- 239000004576 sand Substances 0.000 description 6
- 239000002562 thickening agent Substances 0.000 description 5
- 235000019738 Limestone Nutrition 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 239000006028 limestone Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 239000011509 cement plaster Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 235000013312 flour Nutrition 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 101100459813 Arabidopsis thaliana NAC100 gene Proteins 0.000 description 1
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 1
- 239000011401 Portland-fly ash cement Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000013538 functional additive Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 239000011396 hydraulic cement Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003823 mortar mixing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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
- C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B16/02—Cellulosic 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
- C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B16/04—Macromolecular compounds
- C04B16/06—Macromolecular compounds fibrous
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/38—Polysaccharides or derivatives thereof
- C04B24/383—Cellulose or derivatives thereof
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
Description
| 내할(%) | 외할(%) | ||||||||
| 시멘트 | Hydrate lime | Limestone flour | Limestone sand | Air entrainment agent | MC | 물 | |||
| MC 종류 | 함량 | 부피 밀도 (g/ml) | |||||||
| 실시예 1 | 12.0 | 7.0 | 11.0 | 70.0 | 0.02 | HPMC1 | 0.15 | 0.29 | 23 |
| 실시예 2 | 12.0 | 7.0 | 11.0 | 70.0 | 0.02 | HPMC2 | 0.15 | 0.25 | 23 |
| 실시예 3 | 12.0 | 7.0 | 11.0 | 70.0 | 0.02 | HPMC3 | 0.15 | 0.20 | 23 |
| 실시예 4 | 12.0 | 7.0 | 11.0 | 70.0 | 0.02 | HEMC1 | 0.15 | 0.29 | 23 |
| 실시예 5 | 12.0 | 7.0 | 11.0 | 70.0 | 0.02 | HEMC2 | 0.15 | 0.25 | 23 |
| 실시예 6 | 12.0 | 7.0 | 11.0 | 70.0 | 0.02 | HEMC3 | 0.15 | 0.20 | 23 |
| 비교예 1 | 12.0 | 7.0 | 11.0 | 70.0 | 0.02 | HPMC4 | 0.15 | 0.31 | 23 |
| 비교예 2 | 12.0 | 7.0 | 11.0 | 70.0 | 0.02 | HEMC4 | 0.15 | 0.31 | 23 |
| 실시예 1 | 실시예 2 | 실시예 3 | 비교예 1 | 실시예 4 | 실시예 5 | 실시예 6 | 비교예 2 | |
| 보수성(%) | 92.2 | 94.4 | 95.9 | 91.1 | 92.1 | 94.2 | 95.8 | 91.0 |
Claims (7)
- 분말 상태에서 부피 밀도(bulk density)가 0.20 ~ 0.29 g/ml 인 비이온 수용성 셀룰로오스 에테르를 포함하는 것을 특징으로 하는 건축용 시멘트 첨가제 조성물.
- 제1항에 있어서,
상기 셀룰로오스 에테르는 섬유상(fibrous) 형태의 셀룰로오스 에테르를 포함하는 것을 특징으로 하는 건축용 시멘트 첨가제 조성물. - 제1항에 있어서,
상기 셀룰로오스 에테르는 알킬 셀룰로오스(alkyl cellulose), 히드록시알킬 알킬 셀룰로오스(hydroxyalkyl alkyl cellulose) 및 히드록시알킬 셀룰로오스(hydroxyalkyl cellulose)로 이루어진 군에서 선택된 적어도 하나를 포함하는 것을 특징으로 하는 건축용 시멘트 첨가제 조성물. - 제3항에 있어서,
상기 셀룰로오스 에테르는 메틸 셀룰로오스(methyl cellulose), 히드록시프로필 메틸 셀룰로오스(hydroxypropyl methyl cellulose), 히드록시에틸 메틸 셀룰로오스(hydroxyethyl methyl cellulose), 히드록시에틸 셀룰로오스(hydroxyethyl cellulose) 및 에틸 히드록시에틸 셀룰로오스(ethyl hydroxyethyl cellulose)로 이루어진 군에서 선택된 적어도 하나를 포함하는 것을 특징으로 하는 건축용 시멘트 첨가제 조성물. - 제1항에 있어서,
상기 셀룰로오스 에테르는 상기 건축용 시멘트 첨가제 조성물 총 중량 대비 0.05~1.00 중량%인 것을 특징으로 하는 건축용 시멘트 첨가제 조성물. - 제1항 내지 제5항 중 어느 한 항에 따른 건축용 시멘트 첨가제 조성물을 포함하는 것을 특징으로 하는 건축용 시멘트 첨가제.
- 제6항에 있어서,
모르타르, 셀프-레벨링 조성물, 렌더(render), 또는 플라스터(plaster)의 제조에 사용되는 건축용 시멘트 첨가제.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150106405A KR20170014037A (ko) | 2015-07-28 | 2015-07-28 | 건축용 시멘트 첨가제 조성물 및 이를 포함하는 건축용 시멘트 첨가제 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150106405A KR20170014037A (ko) | 2015-07-28 | 2015-07-28 | 건축용 시멘트 첨가제 조성물 및 이를 포함하는 건축용 시멘트 첨가제 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20170014037A true KR20170014037A (ko) | 2017-02-08 |
Family
ID=58155727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020150106405A Ceased KR20170014037A (ko) | 2015-07-28 | 2015-07-28 | 건축용 시멘트 첨가제 조성물 및 이를 포함하는 건축용 시멘트 첨가제 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR20170014037A (ko) |
-
2015
- 2015-07-28 KR KR1020150106405A patent/KR20170014037A/ko not_active Ceased
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