CN112321184B - 一种装配式建筑用再生骨料的制备方法 - Google Patents
一种装配式建筑用再生骨料的制备方法 Download PDFInfo
- Publication number
- CN112321184B CN112321184B CN202011275558.2A CN202011275558A CN112321184B CN 112321184 B CN112321184 B CN 112321184B CN 202011275558 A CN202011275558 A CN 202011275558A CN 112321184 B CN112321184 B CN 112321184B
- Authority
- CN
- China
- Prior art keywords
- recycled aggregate
- modified
- polyvinyl alcohol
- aggregate
- calcium silicate
- 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.)
- Active
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 50
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 49
- 239000000378 calcium silicate Substances 0.000 claims abstract description 19
- 229910052918 calcium silicate Inorganic materials 0.000 claims abstract description 19
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000017 hydrogel Substances 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000005470 impregnation Methods 0.000 claims abstract description 7
- 238000004132 cross linking Methods 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 238000000926 separation method Methods 0.000 claims abstract description 4
- 239000004567 concrete Substances 0.000 claims description 21
- 239000004115 Sodium Silicate Substances 0.000 claims description 18
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 18
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 18
- 239000000243 solution Substances 0.000 claims description 13
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 5
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 3
- 238000006136 alcoholysis reaction Methods 0.000 claims description 3
- 239000001110 calcium chloride Substances 0.000 claims description 3
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000006116 polymerization reaction Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 1
- 239000011575 calcium Substances 0.000 claims 1
- 229910052791 calcium Inorganic materials 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 239000004566 building material Substances 0.000 abstract description 2
- 238000000975 co-precipitation Methods 0.000 abstract description 2
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000010521 absorption reaction Methods 0.000 description 10
- 238000012986 modification Methods 0.000 description 10
- 230000004048 modification Effects 0.000 description 10
- 238000010276 construction Methods 0.000 description 8
- 239000002699 waste material Substances 0.000 description 5
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000004574 high-performance concrete Substances 0.000 description 2
- 239000011372 high-strength concrete Substances 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000416 hydrocolloid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000005543 nano-size silicon particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000002791 soaking 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
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/16—Waste materials; Refuse from building or ceramic industry
-
- 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
- C04B28/02—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 hydraulic cements other than calcium sulfates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Civil Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Description
序列 | 改性剂 | 吸水率/% |
1 | PVA/0 | 7.8 |
2 | PVA/0.05 | 6.2 |
3 | PVA/0.1 | 3.1 |
4 | PVA/0.2 | 2.7 |
5 | PVA/0.3 | 4.9 |
6 | PVA/0.5 | 6.7 |
7 | PVA-0.1MPa | 4.3 |
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011275558.2A CN112321184B (zh) | 2020-11-16 | 2020-11-16 | 一种装配式建筑用再生骨料的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011275558.2A CN112321184B (zh) | 2020-11-16 | 2020-11-16 | 一种装配式建筑用再生骨料的制备方法 |
Publications (2)
Publication Number | Publication Date |
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CN112321184A CN112321184A (zh) | 2021-02-05 |
CN112321184B true CN112321184B (zh) | 2021-08-31 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115490465A (zh) * | 2022-09-20 | 2022-12-20 | 武汉昌华汇鑫建材有限公司 | 一种高强度高透水率的混凝土及其制备方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101057132B1 (ko) * | 2011-04-04 | 2011-08-16 | 주식회사 새솔건설화학 | 친환경 유무기 하이브리드 보수재 모르타르 조성물 및 이를 이용한 보수공법 |
CN102674730B (zh) * | 2012-06-06 | 2014-05-28 | 江苏名和集团有限公司 | 一种再生骨料表面处理剂及其配制方法 |
CN110526610B (zh) * | 2019-08-13 | 2021-10-08 | 温州市三箭混凝土有限公司 | 一种高强度再生混凝土及其制备方法 |
CN111056776B (zh) * | 2019-12-17 | 2021-09-24 | 深圳市恒星建材有限公司 | 一种高保坍性再生混凝土及其制备方法 |
CN111039624A (zh) * | 2019-12-25 | 2020-04-21 | 泸州临港思源混凝土有限公司 | 一种再生混凝土及其制备方法 |
CN111393091A (zh) * | 2020-03-20 | 2020-07-10 | 陕西金基石新型建材有限公司 | 一种再生混凝土及其制备方法 |
CN111777351B (zh) * | 2020-06-30 | 2022-04-29 | 中交第二航务工程局有限公司 | 一种再生骨料表面强化改性剂及其改性方法 |
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Denomination of invention: A preparation method of recycled aggregate for prefabricated building Effective date of registration: 20211124 Granted publication date: 20210831 Pledgee: Bank of China Limited by Share Ltd. Nanjing Liuhe sub branch Pledgor: JIANGSU JINHAINING NOVEL BUILDING MATERIAL TECHNOLOGY CO.,LTD. Registration number: Y2021980013112 |
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Date of cancellation: 20230103 Granted publication date: 20210831 Pledgee: Bank of China Limited by Share Ltd. Nanjing Liuhe sub branch Pledgor: JIANGSU JINHAINING NOVEL BUILDING MATERIAL TECHNOLOGY CO.,LTD. Registration number: Y2021980013112 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A preparation method of recycled aggregate for prefabricated construction Effective date of registration: 20230112 Granted publication date: 20210831 Pledgee: Bank of China Limited by Share Ltd. Nanjing Liuhe sub branch Pledgor: JIANGSU JINHAINING NOVEL BUILDING MATERIAL TECHNOLOGY CO.,LTD. Registration number: Y2023980031064 |
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Date of cancellation: 20231205 Granted publication date: 20210831 Pledgee: Bank of China Limited by Share Ltd. Nanjing Liuhe sub branch Pledgor: JIANGSU JINHAINING NOVEL BUILDING MATERIAL TECHNOLOGY CO.,LTD. Registration number: Y2023980031064 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
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Denomination of invention: A method for preparing recycled aggregates for prefabricated buildings Effective date of registration: 20231212 Granted publication date: 20210831 Pledgee: Bank of China Limited by Share Ltd. Nanjing Liuhe sub branch Pledgor: JIANGSU JINHAINING NOVEL BUILDING MATERIAL TECHNOLOGY CO.,LTD. Registration number: Y2023980069975 |
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