CN108863139A - A kind of multi-functional composite cement grinding aid and preparation method thereof - Google Patents

A kind of multi-functional composite cement grinding aid and preparation method thereof Download PDF

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Publication number
CN108863139A
CN108863139A CN201810906236.XA CN201810906236A CN108863139A CN 108863139 A CN108863139 A CN 108863139A CN 201810906236 A CN201810906236 A CN 201810906236A CN 108863139 A CN108863139 A CN 108863139A
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parts
grinding aid
cement grinding
bone
functional composite
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房晓
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Hangzhou Zhongqi New Mstar Technology Ltd
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Hangzhou Zhongqi New Mstar Technology Ltd
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Priority to CN201810906236.XA priority Critical patent/CN108863139A/en
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B40/00Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • C04B40/0028Aspects relating to the mixing step of the mortar preparation
    • C04B40/0039Premixtures of ingredients
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2103/00Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/52Grinding aids; Additives added during grinding

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  • 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)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)

Abstract

The invention discloses a kind of multi-functional composite cement grinding aids and preparation method thereof.Component materials including following parts by weight:3-8 parts of diisopropyl ethanolamine, 3-8 parts of triethanolamine, 5-8 parts of calcium formate, 3-8 parts of aluminum aluminum sulfate, 2-5 parts of aluminium chloride, 3-8 parts of bone, 20-30 parts of water.Multi-functional composite cement grinding aid prepared by the present invention, applied in the abrasive material of cement, the cement specific surface area of preparation is high, compression strength is high, presetting period and final setting time are short, have multiple efficacies, and composite cement grinding aid preparation method of the invention is simple, raw material sources are wide, are suitble to industrialization large-scale production.

Description

A kind of multi-functional composite cement grinding aid and preparation method thereof
Technical field
The invention belongs to building decoration technology fields, and in particular to a kind of multi-functional composite cement grinding aid and its preparation side Method.
Background technique
Cement grinding aid is a kind of chemical addition agent for improving cement grinding effect and performance, can significantly improve cement platform When yield, each age strength of cement, improve its mobility.The electrostatic formed in grinding process can be greatly lowered in cement grinding aid Bag ball phenomenon is adsorbed, and the coalescence trend again of the ultra-fine grain formed in grinding process can be reduced.Cement grinding aid also can Cement fluidity is significantly improved, the grinding effect of grinding machine and the grinding efficiency of powder concentrator are improved, to reduce grinding energy.It uses The cement of grinding aid production has lower compacting coalescence trend, to be conducive to the handling of cement, and can reduce cement bunker Wall built-up phenomenon.As a kind of chemical addition agent, grinding aid can improve concrete scroll and excite aquation power, to improve water Mud early strength and later strength.
By classification of chemical structure, cement grinding aid can be divided into three kinds:It polymerize organic salt grinding aid, polymer-inorganic salt grinding aid Agent and complex chemical compound grinding aid.The cement grinding aid product used belongs to greatly organic matter surface reactive material.Due to single group Divide grinding aid price higher, using effect is not also very ideal, and complex chemical compound grinding aid is using relatively broad.
Patent 201410535707.2 discloses a kind of cement grinding aid.Comprising polyether polyol, which is Polypropylene oxide ethylene oxide ether, molecular weight 200-400, wherein ethylene oxide content is in 10-90%.Cement grinding aid is by such as The raw material of lower parts by weight is made:1 part of polyether polyol, 1-1.2 parts of auxiliary agent and 7-9 parts of water;Wherein:Auxiliary agent is sorbierite, wood Sugar alcohol, a contracting propylene glycol and 1,4 butanediols are 1 by weight:1-1.1:1-1.1:1-1.1 mixing.The cement grinding aid is to water The grain diameter of mud has adjustment effect, can enhance strength of cement.But it is high using the cement grinding aid energy consumption, it is prepared into This height.
Patent 201510601182.2 discloses a kind of Vertical Mill liquid cement grinding additive.Consisting of:Phthalic acid Alcohol amine salt 20%~30%, the copolymer 1 0%~15% of maleic anhydride of styrene, trimerization polyglycerol 10%~15%, Portugal Grape sugar 10%~15%, cane molasses 10%~15%, sodium hydroxide 1%, surplus are water, the alcohol amine salt of the phthalic acid For the alcohol amine salt of the phthalic acid of 50% content, the copolymer of the maleic anhydride of styrene is the styrene of 33.5% content Copolymer-maleic anhydride, number-average molecular weight 2800, weight average molecular weight 7000, the trimerization polyglycerol are 75% content Trimerization polyglycerol, total sugar content of the cane molasses are 48%, and the percentage is mass percent.The cement grinding aid The grain composition that cement can be improved, the consumptive use of water normal consistence for reducing cement products, mentions the sphericity for improving cement products particle The adaptability of high cement products and concrete admixture, still, the strength of cement of preparation are low.
Summary of the invention
The purpose of the present invention is to provide a kind of multi-functional composite cement grinding aids.
The object of the invention is also to provide the preparation methods of above-mentioned multi-functional composite cement grinding aid.
A kind of multi-functional composite cement grinding aid, the component materials including following parts by weight:Diisopropyl ethanolamine 3-8 Part, 3-8 parts of triethanolamine, 5-8 parts of calcium formate, 3-8 parts of aluminum aluminum sulfate, 2-5 parts of aluminium chloride, 3-8 parts of bone, 20-30 parts of water.
The chemical formula of the aluminium chloride is:[Al2(OH)nCl6-n]m, in formula, m≤10, n=2-4.
The bone be ox bone, pig bone, sheep bone, one of chicken bone or more than one.
3-8 parts of microcline are additionally added in the cement grinding aid raw material.
3-8 parts of pyrophyllite are additionally added in the cement grinding aid raw material.
The preparation method of above-mentioned multi-functional composite cement grinding aid, carries out in accordance with the following steps:
(1) according to parts by weight, 3-8 parts of bone are taken, clays into power, bone meal is made, takes 5-8 parts of calcium formate, aluminum aluminum sulfate 3-8 Part, it is mixed after claying into power with bone meal;
(2) water 20-30 parts of addition, stirring 20-30min, diisopropyl ethanolamine 3-8 parts of addition, 3-8 parts of triethanolamine, Continue to stir 20-30min;
(3) it is added aluminium chloride 2-5 parts, 5-8min is stirred, is made.
3-8 parts of microcline powder are additionally added in step (1), the microcline powder is to be ground by microcline by crushing It clays into power and is made.
3-8 parts of pyrophyllite in powder are additionally added in step (1), the pyrophyllite in powder is to be pulverized by pyrophyllite by crushing End is made.
Beneficial effects of the present invention:Multi-functional composite cement grinding aid prepared by the present invention, applied in the abrasive material of cement, The cement specific surface area of preparation is high, and compression strength is high, and presetting period and final setting time are short, has multiple efficacies, of the invention answers Heshui cement grinding aids preparation method is simple, and raw material sources are wide, is suitble to industrialization large-scale production.
Specific embodiment
The present invention will be further described combined with specific embodiments below.
Embodiment 1
A kind of multi-functional composite cement grinding aid, the component materials including following parts by weight:Diisopropyl ethanolamine 5kg, triethanolamine 5kg, calcium formate 6kg, aluminum aluminum sulfate 5kg, aluminium chloride 3kg, ox bone 5kg, water 25kg.The alkali formula chlorine Change aluminium chemical formula be:[Al2(OH)2Cl4]6
The preparation method of above-mentioned multi-functional composite cement grinding aid, carries out in accordance with the following steps:
(1) according to parts by weight, ox bone 5kg is taken, is clayed into power, bone meal is made, takes calcium formate 6kg, aluminum aluminum sulfate 5kg, It is mixed after claying into power with bone meal;
(2) water 25kg is added, stirs 25min, diisopropyl ethanolamine 5kg is added, triethanolamine 5kg continues to stir 25min;
(3) aluminium chloride 3kg is added, stirs 6min, is made.
Embodiment 2
A kind of multi-functional composite cement grinding aid, the component materials including following parts by weight:Diisopropyl ethanolamine 3kg, triethanolamine 3kg, calcium formate 5kg, aluminum aluminum sulfate 3kg, aluminium chloride 2kg, pig bone 3kg, water 20kg.The alkali formula chlorine Change aluminium chemical formula be:[Al2(OH)3Cl3]4
The preparation method of above-mentioned multi-functional composite cement grinding aid, carries out in accordance with the following steps:
(1) according to parts by weight, pig bone 3kg is taken, is clayed into power, bone meal is made, takes calcium formate 5kg, aluminum aluminum sulfate 3kg, It is mixed after claying into power with bone meal;
(2) water 20kg is added, stirs 20min, diisopropyl ethanolamine 3kg is added, triethanolamine 3kg continues to stir 20min;
(3) aluminium chloride 2kg is added, stirs 5min, is made.
Embodiment 3
A kind of multi-functional composite cement grinding aid, the component materials including following parts by weight:Diisopropyl ethanolamine 8kg, triethanolamine 8kg, calcium formate 8kg, aluminum aluminum sulfate 8kg, aluminium chloride 5kg, sheep bone 8kg, water 30kg.The alkali formula chlorine Change aluminium chemical formula be:[Al2(OH)4Cl2]5
The preparation method of above-mentioned multi-functional composite cement grinding aid, carries out in accordance with the following steps:
(1) according to parts by weight, sheep bone 8kg is taken, is clayed into power, bone meal is made, takes calcium formate 8kg, aluminum aluminum sulfate 8kg, It is mixed after claying into power with bone meal;
(2) water 30kg is added, stirs 30min, diisopropyl ethanolamine 8kg is added, triethanolamine 8kg continues to stir 30min;
(3) aluminium chloride 5kg is added, stirs 8min, is made.
Embodiment 4
A kind of multi-functional composite cement grinding aid, the component materials including following parts by weight:Diisopropyl ethanolamine 5kg, triethanolamine 5kg, calcium formate 6kg, aluminum aluminum sulfate 5kg, aluminium chloride 3kg, microcline 5kg, ox bone 5kg, water 25kg.The chemical formula of the aluminium chloride is:[Al2(OH)2Cl4]6
The preparation method of above-mentioned multi-functional composite cement grinding aid, carries out in accordance with the following steps:
(1) according to parts by weight, ox bone 5kg is taken, is clayed into power, bone meal is made, takes calcium formate 6kg, aluminum aluminum sulfate 5kg, Microcline 5kg, mixes after claying into power with bone meal;
(2) water 25kg is added, stirs 25min, diisopropyl ethanolamine 5kg is added, triethanolamine 5kg continues to stir 25min;
(3) aluminium chloride 3kg is added, stirs 6min, is made.
Embodiment 5
A kind of multi-functional composite cement grinding aid, the component materials including following parts by weight:Diisopropyl ethanolamine 5kg, triethanolamine 5kg, calcium formate 6kg, aluminum aluminum sulfate 5kg, aluminium chloride 3kg, pyrophyllite 5kg, ox bone 5kg, water 25kg. The chemical formula of the aluminium chloride is:[Al2(OH)2Cl4]6
The preparation method of above-mentioned multi-functional composite cement grinding aid, carries out in accordance with the following steps:
(1) according to parts by weight, ox bone 5kg is taken, is clayed into power, bone meal is made, takes calcium formate 6kg, aluminum aluminum sulfate 5kg, Pyrophyllite 5kg, mixes after claying into power with bone meal;
(2) water 25kg is added, stirs 25min, diisopropyl ethanolamine 5kg is added, triethanolamine 5kg continues to stir 25min;
(3) aluminium chloride 3kg is added, stirs 6min, is made.
Embodiment 6
A kind of multi-functional composite cement grinding aid, the component materials including following parts by weight:Diisopropyl ethanolamine 5kg, triethanolamine 5kg, calcium formate 6kg, aluminum aluminum sulfate 5kg, aluminium chloride 3kg, sillimanite 5kg, ox bone 5kg, water 25kg. The chemical formula of the aluminium chloride is:[Al2(OH)2Cl4]6
The preparation method of above-mentioned multi-functional composite cement grinding aid, carries out in accordance with the following steps:
(1) according to parts by weight, ox bone 5kg is taken, is clayed into power, bone meal is made, takes calcium formate 6kg, aluminum aluminum sulfate 5kg, Sillimanite 5kg, mixes after claying into power with bone meal;
(2) water 25kg is added, stirs 25min, diisopropyl ethanolamine 5kg is added, triethanolamine 5kg continues to stir 25min;
(3) aluminium chloride 3kg is added, stirs 6min, is made.
Embodiment 7
A kind of multi-functional composite cement grinding aid, the component materials including following parts by weight:Diisopropyl ethanolamine 5kg, triethanolamine 5kg, calcium formate 6kg, aluminum aluminum sulfate 5kg, aluminium chloride 3kg, orthoclase 5kg, ox bone 5kg, water 25kg. The chemical formula of the aluminium chloride is:[Al2(OH)2Cl4]6
The preparation method of above-mentioned multi-functional composite cement grinding aid, carries out in accordance with the following steps:
(1) according to parts by weight, ox bone 5kg is taken, is clayed into power, bone meal is made, takes calcium formate 6kg, aluminum aluminum sulfate 5kg, Orthoclase 5kg, mixes after claying into power with bone meal;
(2) water 25kg is added, stirs 25min, diisopropyl ethanolamine 5kg is added, triethanolamine 5kg continues to stir 25min;
(3) aluminium chloride 3kg is added, stirs 6min, is made.
Embodiment 8
A kind of multi-functional composite cement grinding aid, the component materials including following parts by weight:Diisopropyl ethanolamine 5kg, triethanolamine 5kg, calcium formate 6kg, aluminum aluminum sulfate 5kg, aluminium chloride 3kg, ox bone 5kg, Calamus egregius extract 3kg, water 25kg.The chemical formula of the aluminium chloride is:[Al2(OH)2Cl4]6
The extracting method of the Calamus egregius extract is:Calamus egregius blade is taken, is dried, is clayed into power, add 3-8 times to weigh Water refluxing extraction 3 times for measuring number, merging filtrate is evaporated and is made.
The preparation method of above-mentioned multi-functional composite cement grinding aid, carries out in accordance with the following steps:
(1) according to parts by weight, ox bone 5kg is taken, is clayed into power, bone meal is made, takes calcium formate 6kg, aluminum aluminum sulfate 5kg, It is mixed after claying into power with bone meal;
(2) water 25kg is added, stirs 25min, diisopropyl ethanolamine 5kg is added, triethanolamine 5kg continues to stir 25min;
(3) aluminium chloride 3kg, Calamus egregius extract 3kg is added, stirs 6min, is made.
Embodiment 9
A kind of multi-functional composite cement grinding aid, the component materials including following parts by weight:Diisopropyl ethanolamine 5kg, triethanolamine 5kg, calcium formate 6kg, aluminum aluminum sulfate 5kg, aluminium chloride 3kg, ox bone 5kg, Duo Guo save boisiana extract 3kg, water 25kg.The chemical formula of the aluminium chloride is:[Al2(OH)2Cl4]6
The extracting method that the Duo Guo saves boisiana extract is:Duo Guo is taken to save cane leaves piece, drying clays into power, adds 3-8 times to weigh Water refluxing extraction 3 times for measuring number, merging filtrate is evaporated and is made.
The preparation method of above-mentioned multi-functional composite cement grinding aid, carries out in accordance with the following steps:
(1) according to parts by weight, ox bone 5kg is taken, is clayed into power, bone meal is made, takes calcium formate 6kg, aluminum aluminum sulfate 5kg, It is mixed after claying into power with bone meal;
(2) water 25kg is added, stirs 25min, diisopropyl ethanolamine 5kg is added, triethanolamine 5kg continues to stir 25min;
(3) aluminium chloride 3kg is added, Duo Guo saves boisiana extract 3kg, stirs 6min, is made.
Comparative example 1
A kind of multi-functional composite cement grinding aid, the component materials including following parts by weight:Diisopropyl ethanolamine 5kg, triethanolamine 5kg, calcium formate 6kg, aluminum aluminum sulfate 5kg, ox bone 5kg, water 25kg.
The preparation method of above-mentioned multi-functional composite cement grinding aid, carries out in accordance with the following steps:
(1) according to parts by weight, ox bone 5kg is taken, is clayed into power, bone meal is made, takes calcium formate 6kg, aluminum aluminum sulfate 5kg, It is mixed after claying into power with bone meal;
(2) water 25kg is added, stirs 25min, diisopropyl ethanolamine 5kg is added, triethanolamine 5kg continues to stir 25min is made.
Experimental example 1:
The cement grinding aid that embodiment 1-9 and comparative example 1 are obtained in the small mill of Ф 500mm × 500mm code test into Row test, mixes according to following material proportion:Gypsum that clinker that mass fraction is 60%, mass fraction are 5%, mass fraction The flyash that 10% slag and mass fraction is 25%, obtains mixture;Mass fraction is added into obtained mixture is The cement grinding aid of mixture gross mass 0.4%, the cement that obtains that treated after combined grinding 30min.
According to GB/T17671-1999《Test method for strength of hydraulic cement mortar (ISO method)》The method of middle record tests cement gel Sand intensity;It detects to obtain Blain specific surface using the ventilative ratio surface area instrument of DBT-127 type Bo Shi;According to GB1346-2001《Water Mud consumptive use of water normal consistence, setting time, the stability method of inspection》The setting time of the method detection cement of middle record, as a result As shown in table 1-3.
Table 1
Note:* the P compared with example 1 group is represented<0.05.
As can be seen from Table 1, the specific surface area of embodiment 1-3, embodiment 6-7, embodiment 9 are suitable, are not significantly different, Embodiment 4-5, the specific surface area of embodiment 8 are significantly higher than embodiment 1, and the specific surface area of comparative example 1 is substantially less than embodiment 1.
Table 2
Note:* the P compared with example 1 group is represented<0.05.
As can be seen from Table 2, the presetting period of embodiment 1-3, embodiment 6-7, embodiment 9 are suitable, are not significantly different, Embodiment 4-5, the presetting period of embodiment 8 are substantially less than embodiment 1, and the presetting period of comparative example 1 is significantly higher than embodiment 1; The final setting time of embodiment 1-3, embodiment 6-7, embodiment 9 are suitable, are not significantly different, embodiment 4-5, the end of embodiment 8 The solidifying time is substantially less than embodiment 1, and the final setting time of comparative example 1 is significantly higher than embodiment 1.
Table 3
Note:* the P compared with example 1 group is represented<0.05.
As can be seen from Table 3, the compression strength of embodiment 1-3, embodiment 8-9 are suitable, are not significantly different, embodiment 4- 7 compression strength is significantly higher than embodiment 1, and the compression strength of comparative example 1 is substantially less than embodiment 1.

Claims (8)

1. a kind of multi-functional composite cement grinding aid, which is characterized in that the component materials including following parts by weight:Diisopropyl 3-8 parts of ethanol amine, 3-8 parts of triethanolamine, 5-8 parts of calcium formate, 3-8 parts of aluminum aluminum sulfate, 2-5 parts of aluminium chloride, 3-8 parts of bone, 20-30 parts of water.
2. multi-functional composite cement grinding aid according to claim 1, which is characterized in that the chemical formula of the aluminium chloride For:[Al2(OH)nCl6-n]m, in formula, m≤10, n=2-4.
3. multi-functional composite cement grinding aid according to claim 1, which is characterized in that the bone is ox bone, pig bone, sheep Bone, one of chicken bone or more than one.
4. multi-functional composite cement grinding aid according to claim 1, which is characterized in that in the cement grinding aid raw material also It is added microcline 3-8 parts.
5. multi-functional composite cement grinding aid according to claim 1, which is characterized in that in the cement grinding aid raw material also It is added pyrophyllite 3-8 parts.
6. the preparation method of multi-functional composite cement grinding aid described in claim 1, which is characterized in that in accordance with the following steps into Row:
(1) according to parts by weight, 3-8 parts of bone are taken, clays into power, bone meal is made, takes 5-8 parts of calcium formate, 3-8 parts of aluminum aluminum sulfate, It is mixed after claying into power with bone meal;
(2) it is added water 20-30 parts, stirs 20-30min, diisopropyl ethanolamine 3-8 parts is added, 3-8 parts of triethanolamine, continues Stir 20-30min;
(3) it is added aluminium chloride 2-5 parts, 5-8min is stirred, is made.
7. the preparation method of multi-functional composite cement grinding aid according to claim 1, which is characterized in that in step (1) also 3-8 parts of microcline powder are added, the microcline powder is by microcline by crushing, and grind into powder is made.
8. the preparation method of multi-functional composite cement grinding aid according to claim 1, which is characterized in that in step (1) also It is added pyrophyllite in powder 3-8 parts, the pyrophyllite in powder is by pyrophyllite by crushing, and grind into powder is made.
CN201810906236.XA 2018-08-10 2018-08-10 A kind of multi-functional composite cement grinding aid and preparation method thereof Withdrawn CN108863139A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1367151A (en) * 2002-03-04 2002-09-04 四川省资中县水泥助磨掺合料厂 Cement additive
CN103011653A (en) * 2012-12-13 2013-04-03 安徽珍珠水泥集团股份有限公司 Preparation process of polyglycerol cement grinding aid
WO2015004196A1 (en) * 2013-07-12 2015-01-15 Sika Technology Ag Adjuvant combination of a milling assistant and a concrete admixture for accelerated hydration of cementitious binders
CN106365496A (en) * 2016-08-22 2017-02-01 桂林新艺制冷设备有限责任公司 Novel cement grinding aid and cement thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1367151A (en) * 2002-03-04 2002-09-04 四川省资中县水泥助磨掺合料厂 Cement additive
CN103011653A (en) * 2012-12-13 2013-04-03 安徽珍珠水泥集团股份有限公司 Preparation process of polyglycerol cement grinding aid
WO2015004196A1 (en) * 2013-07-12 2015-01-15 Sika Technology Ag Adjuvant combination of a milling assistant and a concrete admixture for accelerated hydration of cementitious binders
CN106365496A (en) * 2016-08-22 2017-02-01 桂林新艺制冷设备有限责任公司 Novel cement grinding aid and cement thereof

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Title
江体乾等: "《化工工艺手册》", 28 February 1992, 上海科学技术出版社 *

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