CN104479834A - Cold-resistant crack-resistant concrete mold release agent and preparation method thereof - Google Patents
Cold-resistant crack-resistant concrete mold release agent and preparation method thereof Download PDFInfo
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- CN104479834A CN104479834A CN201410785941.0A CN201410785941A CN104479834A CN 104479834 A CN104479834 A CN 104479834A CN 201410785941 A CN201410785941 A CN 201410785941A CN 104479834 A CN104479834 A CN 104479834A
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- Epoxy Resins (AREA)
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Abstract
The invention discloses a cold-resistant crack-resistant concrete mold release agent and a preparation method thereof. The cold-resistant crack-resistant concrete mold release agent is composed of the following raw materials in parts by weight: 33-35 parts of epoxy resin, 25-30 parts of modified tung oil, 4-5 parts of propanediol, 0.8-1.2 parts of Peregal O, 4-5 parts of sodium carbonate, 0.2-0.4 part of chitin, 0.5-0.6 part of sodium alginate, 0.2-0.4 part of fumaric acid, 4-5 parts of sodium acetate, 0.8-1.0 part of dimethyl phthalate, 2-4 parts of barium sulfate, 0.4-0.5 part of maleic anhydride, 4-5 parts of linoleic acid and 400-500 parts of deionized water. The cold-resistant crack-resistant concrete mold release agent ensures the water retention property during concrete finishing, prevents the concrete from sticking to the mold, and ensures the smoothness of the concrete. The prepared concrete does not have the phenomenon of hollowing, peeling or the like, and has the advantages of excellent crack resistance, favorable constructability and low cost.
Description
Technical field
The invention provides a kind of concrete parting agent, particularly one resists cold splitting resistance concrete parting agent and preparation method thereof.
Background technology
Concrete parting agent is also known as concrete isolation agent or demoulding lubricant; Be one be applied to template inwall rise lubrication and buffer action, make concrete can depart from template smoothly when form removal, keep the intact material of concrete shape, traditional release materials adds diesel oil with machine oil or used oil, find in the engineering constructions such as long-term water conservancy and hydropower, highway, railway, use used oil brushing template, concrete surface is produced and pollutes, pollution in various degree is also caused to environment simultaneously; But existing releasing agent exist stripping result not good, be difficult to remove in template, and ineffective to template maintenance, operating efficiency etc. is affected also increases construction cost.
Summary of the invention
The object of the present invention is to provide a kind of cold-resistant splitting resistance concrete parting agent and preparation method thereof.
The present invention adopts following technical scheme to achieve these goals:
Cold-resistant splitting resistance concrete parting agent, the weight part of its constitutive material is: epoxy resin 33-35, modified tung oil 25-30, propylene glycol 4-5, paregal O 0.8-1.2, sodium carbonate 4-5, chitin 0.2-0.4, sodium alginate 0.5-0.6, FUMARIC ACID TECH GRADE 0.2-0.4, sodium-acetate 4-5, dimethyl phthalate 0.8-1.0, barium sulfate 2-4, maleic anhydride 0.4-0.5, linolenic acid 4-5 and deionized water 400-500.
Cold-resistant splitting resistance concrete parting agent, the weight part of its constitutive material is: epoxy resin 35, modified tung oil 28, propylene glycol 4.5, paregal O 1, sodium carbonate 4.5, chitin 0.3, sodium alginate 0.5, FUMARIC ACID TECH GRADE 0.3, sodium-acetate 4.5, dimethyl phthalate 0.9, barium sulfate 3, maleic anhydride 0.5, linolenic acid 4.5 and deionized water 450.
The preparation method of cold-resistant splitting resistance concrete parting agent, comprises following content:
(1) preparation of modified tung oil: first tung oil is heated to 50-60 DEG C; Then the 3.5-4.0% ferrous sulfate of tung oil quality, 8-10% carbon fiber, 10-15% bamboo fibers is added wherein; Be uniformly mixed and place 2-3 hour, and then add the potassium humate powder of tung oil 4-5%, be warming up to uniform stirring 1-2 hour under the condition of 80-90 DEG C, naturally cool to room temperature, regulator solution pH value is to 2-3; Again with deionized water in mass ratio 1:5 mix, stir 30-40 minute, centrifugation obtains filtrate;
(2) take each raw material by the weight part of constitutive material, first epoxy resin, modified tung oil and propylene glycol are added in reactor, be heated to 110-130 DEG C, be fully uniformly mixed, leave standstill, cool; Then add deionized water dilution wherein, stir and add sodium alginate, barium sulfate, maleic anhydride, linolenic acid after 30-40 minute, continue to stir 2-3 hour;
(3) in the mixed system of above-mentioned steps (2), add other residue constitutive material, continue to stir half an hour, discharging, can obtain.
Beneficial effect of the present invention:
The cold-resistant cracking resistance releasing agent that the present invention obtains both ensure that water-retentivity during concrete coating, made again concrete not sticking mould, ensure that concrete planarization; The phenomenons such as hollowing do not appear in the concrete that the present invention obtains, peel off, have excellent splitting resistance, application property of the present invention is good and cost is low.
Embodiment
Embodiment 1: cold-resistant splitting resistance concrete parting agent, the weight part (kg) of its constitutive material is: epoxy resin 35, modified tung oil 28, propylene glycol 4.5, paregal O 1, sodium carbonate 4.5, chitin 0.3, sodium alginate 0.5, FUMARIC ACID TECH GRADE 0.3, sodium-acetate 4.5, dimethyl phthalate 0.9, barium sulfate 3, maleic anhydride 0.5, linolenic acid 4.5 and deionized water 450.
The preparation method of cold-resistant splitting resistance concrete parting agent, comprises following content:
(1) preparation of modified tung oil: first tung oil is heated to 55 DEG C; Then 3.8% ferrous sulfate of tung oil quality, 8% carbon fiber, 12% bamboo fibers is added wherein; Be uniformly mixed and place 2-3 hour, and then add the potassium humate powder of tung oil 4.5%, be warming up to uniform stirring 1-2 hour under the condition of 85 DEG C, naturally cool to room temperature, regulator solution pH value is to 2-3; Again with deionized water in mass ratio 1:5 mix, stir 35 minutes, centrifugation obtains filtrate;
(2) take each raw material by the weight part of constitutive material, first epoxy resin, modified tung oil and propylene glycol are added in reactor, be heated to 120 DEG C, be fully uniformly mixed, leave standstill, cool; Then add deionized water dilution wherein, stir and add sodium alginate, barium sulfate, maleic anhydride, linolenic acid after 35 minutes, continue to stir 2-3 hour;
(3) in the mixed system of above-mentioned steps (2), add other residue constitutive material, continue to stir half an hour, discharging, can obtain.
Above-mentioned obtained concrete parting agent solid content≤4.3%; There is good fire-resistant resistance to cleavage, dry film time 45-50min of the present invention; Concrete surface is smooth, and adhesive capacity is 3.55g/m
2, meet the service requirements of concrete parting agent.
Claims (3)
1. a cold-resistant splitting resistance concrete parting agent, is characterized in that the weight part of its constitutive material is: epoxy resin 33-35, modified tung oil 25-30, propylene glycol 4-5, paregal O 0.8-1.2, sodium carbonate 4-5, chitin 0.2-0.4, sodium alginate 0.5-0.6, FUMARIC ACID TECH GRADE 0.2-0.4, sodium-acetate 4-5, dimethyl phthalate 0.8-1.0, barium sulfate 2-4, maleic anhydride 0.4-0.5, linolenic acid 4-5 and deionized water 400-500.
2. cold-resistant splitting resistance concrete parting agent according to claim 1, is characterized in that the weight part of its constitutive material is: epoxy resin 35, modified tung oil 28, propylene glycol 4.5, paregal O 1, sodium carbonate 4.5, chitin 0.3, sodium alginate 0.5, FUMARIC ACID TECH GRADE 0.3, sodium-acetate 4.5, dimethyl phthalate 0.9, barium sulfate 3, maleic anhydride 0.5, linolenic acid 4.5 and deionized water 450.
3. a preparation method for cold-resistant splitting resistance concrete parting agent as claimed in claim 1, is characterized in that comprising following content:
(1) preparation of modified tung oil: first tung oil is heated to 50-60 DEG C; Then the 3.5-4.0% ferrous sulfate of tung oil quality, 8-10% carbon fiber, 10-15% bamboo fibers is added wherein; Be uniformly mixed and place 2-3 hour, and then add the potassium humate powder of tung oil 4-5%, be warming up to uniform stirring 1-2 hour under the condition of 80-90 DEG C, naturally cool to room temperature, regulator solution pH value is to 2-3; Again with deionized water in mass ratio 1:5 mix, stir 30-40 minute, centrifugation obtains filtrate;
(2) take each raw material by the weight part of constitutive material, first epoxy resin, modified tung oil and propylene glycol are added in reactor, be heated to 110-130 DEG C, be fully uniformly mixed, leave standstill, cool; Then add deionized water dilution wherein, stir and add sodium alginate, barium sulfate, maleic anhydride, linolenic acid after 30-40 minute, continue to stir 2-3 hour;
(3) in the mixed system of above-mentioned steps (2), add other residue constitutive material, continue to stir half an hour, discharging, can obtain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410785941.0A CN104479834A (en) | 2014-12-18 | 2014-12-18 | Cold-resistant crack-resistant concrete mold release agent and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410785941.0A CN104479834A (en) | 2014-12-18 | 2014-12-18 | Cold-resistant crack-resistant concrete mold release agent and preparation method thereof |
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| CN104479834A true CN104479834A (en) | 2015-04-01 |
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| CN201410785941.0A Pending CN104479834A (en) | 2014-12-18 | 2014-12-18 | Cold-resistant crack-resistant concrete mold release agent and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104946362A (en) * | 2015-06-21 | 2015-09-30 | 王丹切 | Cement mould releasing agent |
| CN111303982A (en) * | 2020-04-18 | 2020-06-19 | 沈阳名华时代科技有限公司 | Formula and production process of environment-friendly mold release agent for vehicle forging |
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| CN1129633A (en) * | 1995-02-25 | 1996-08-28 | 易荣川 | Mould releasing agent and process for creating concrete from industrial wastes |
| CN1165060A (en) * | 1996-05-10 | 1997-11-19 | 赵洪昌 | Water-soluble mold-release agent and its preparation method |
| CN101287771A (en) * | 2005-10-12 | 2008-10-15 | 巴斯夫欧洲公司 | Process for producing aqueous emulsions and dispersions |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111303982A (en) * | 2020-04-18 | 2020-06-19 | 沈阳名华时代科技有限公司 | Formula and production process of environment-friendly mold release agent for vehicle forging |
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Application publication date: 20150401 |
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