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
  • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
  • C04B24/16—Sulfur-containing compounds
  • C04B24/20—Sulfonated aromatic compounds
  • C04B24/22—Condensation or polymerisation products thereof
  • C04B24/226—Sulfonated naphtalene-formaldehyde condensation products
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G16/00—Condensation polymers of aldehydes or ketones with monomers not provided for in the groups C08G4/00 - C08G14/00
  • C08G16/02—Condensation polymers of aldehydes or ketones with monomers not provided for in the groups C08G4/00 - C08G14/00 of aldehydes
  • C08G16/0212—Condensation polymers of aldehydes or ketones with monomers not provided for in the groups C08G4/00 - C08G14/00 of aldehydes with acyclic or carbocyclic organic compounds
  • C08G16/0218—Condensation polymers of aldehydes or ketones with monomers not provided for in the groups C08G4/00 - C08G14/00 of aldehydes with acyclic or carbocyclic organic compounds containing atoms other than carbon and hydrogen
  • C08G16/0237—Condensation polymers of aldehydes or ketones with monomers not provided for in the groups C08G4/00 - C08G14/00 of aldehydes with acyclic or carbocyclic organic compounds containing atoms other than carbon and hydrogen containing sulfur
• • 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
  • C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
  • C04B2103/302—Water reducers

Definitions

• This relates to water reduction for hydraulic use.
• JP A6 34 045 9 There are several proposed fluidity retention techniques for strikes, slurries, mortars, concrete, etc., using cement gypsum as a hydraulic material in systems that use or can be used.
• JP A6 340459 JP A7 0 95 58 JP 7 describes a combination of thalene or its conductor and formaldehyde-functional material and its conductor.
• tarens phonon formaldehyde compound is a cement compound based on its salt, and as a particularly effective fluidity retention technique, a polymer compound with lower fin ethylene saturated dicarbonate (water rain) and water reduction is used as a cement compound. There is a method to prevent the collection of cement by using (J P 63 5 346 o
• the weight average numerator obtained by the LPC is as follows: 1 200 to 2400 0, and the Pita product under the molecule 4 0 0 0 obtained by the GPC is This relates to water reduction for hydraulic use, which contains tarens hon formaldehyde compound, which is 7 to 3 in total.
• R is a hydrogen atom and alkyl having 4 to 4, is a condensation, and the above number. Represents an ion.
• Tarenshon Primer Formaldehyde 0 ⁇ 6 to 097 is set to 4 to 5 at 8 5 9 5 C and 4 to 30 at 0 to h for Talensphone having an alkyl group of prime number ⁇ 4
• the method relates to the above-mentioned water reduction method for rigidity, which has a step of neutralizing.
• the present invention relates to a hydraulic method having a step of mixing the above-mentioned water reduction for hardness, a hydraulic substance and water by any of the following methods (1 to 3).
• the weight average molecule 900 to 2400 obtained by the above-mentioned (1) structure and obtained by Lumper Tomography GPC is obtained, and the pixel product under the molecule 400 obtained by GPC is all pixels.
• This is a water-reduction process for the hardness of tarens hon formaldehyde compounds that are 7 to 3 8.
• Talence phon formaldehyde compounds are usually used for water reduction with a weight average molecular weight of 8000 to 0, but they have the title of hydraulic slump loss.
• JP B6 3 5 3 6 is said to be effective for the slump loss result, but further improvement in strength (especially in the initial stage) is desired.
• JP A6 3 it is advantageous for JP A6 3 to contain industrially, but if it is not used in a state where it does not settle, the designed thrompros results will not be produced.
• Means to keep the powder in place A means that can be pulverized before use is required.
• the present invention provides a talen system that can impart excellent results and strength development results to hydraulic properties such as strikes, slurries, mortars, and contaminants using cement gypsum as a hydraulic substance.
• the preferred embodiment of the present invention has the structure of the above-mentioned), and a tarenshon formaldehyde compound (below, high S) having a weight average molecular weight of 8700 to 293 300 obtained by the specification of lupachromatography GPC). 1), and blended with a tarenshon formaldehyde compound (below, low S) having a weight average molecular weight of 90 to 4,000 obtained by rupermint rotograph (GPC) determination, As described above, which is water reduction for hardness, S and S compound
• the SS is 80 2 0 to 2 0 80.
• S is the total Pita product of 2 to O under the molecule 4 obtained by GPC constant, and the total Pita product of 4000 under the SG constant is 3 to 8 Even more preferably.
• S is represented by weight average molecular weight 900-24,000, preferably 900-0970, more preferably 900-600, and more preferably 900-0-4 , 00.
• the molecular weight obtained under G 400 is sometimes 7 to 38, preferably from 7 to 38, more preferably from 3 to 3 in terms of fluidity.
• 3 From the viewpoint of fruit and initial degree of fruit, it is preferably 20 to 3, more preferably 2 to 33, and still more preferably 27 to 33. In this case, it is a standard for flowability and strength development performance, and this ratio is in the above range, meaning that it has a certain amount of the corresponding product.
• the term “S” includes those in which all of the tarens phone formaldehyde compound is a salt.
• the average molecular weight and pita of S were measured by the following permeation chromatography GPC method. It is assumed that it was derived based on the average molecular weight of S and the pita and coal pita in Ming. That is, the sum derived from the P pit mass under 4000 weight average molecules detected after the standard 4000 for the total P pit derived from S. Physically, it includes a pioneer containing 3 of the thalens phonon formaldehyde compound, 2, 4 derived from talenediphonic acid and talenmonophonic acid. Sum the products.
• the above-mentioned Pita-filled one can be obtained relatively easily by reacting with ordinary tarensphone formaldehyde.
• the polymer () tends to be difficult to obtain a material satisfying the above-mentioned Pita in response to the usual talens phone formaldehyde. Therefore, it is preferable from the viewpoint of workability that the S related to light is obtained by mixing S with known molecular weight and distribution.
• GPC The weight average molecular weight is preferably 000-000 degrees
• weight average molecular weight is preferably 200 to 3,500 degrees S (for example, Strain, Demol R, Demol R) So you can get SF related to Ming. Also these
• a method of synthesizing and mixing S S with each other is also preferable.
• the weight average numerator obtained by GPC constant is 8700 ⁇ 293 and the weight average molecular weight obtained by GPC constant.
• the weight average molecular weight obtained by mixing with 9 00 4,000 S and GPC is 900 to 24,000, preferably about 3600 to 2400, more preferably 3600 to 00 Yes, there is provided a hydraulic water-reducing method for producing hydraulic water-reduced water containing S, which has 7 to 33 of the total pit product under 4000 molecules obtained by GPC.
• high S means that the Pita product under molecule 4 obtained by GPC determination is 2 to 3 in total, and that 3 to 6 is obtained, and S is below 4000 molecules obtained by GPC determination.
• S is preferably mixed at a solid ratio, that is, by weight, at a low SS 8 20 to 20 80 80 80 to 40 60, more preferably 80 20 to 60 40. Increasing the rate tends to improve the flow. Increasing the ratio tends to reduce the amount of water reducing agent required to achieve the same mobility. Also, S is preferably from 2500 to 3500, more preferably from 2,800 to 3,200, from the viewpoint of improving the weight average molecular weight, flow and strength. Also,
• S is preferably from 2000 to 22 from the viewpoint of improving the weight average molecular weight, flow and strength.
• S is usually obtained by condensing formaldehyde of 0 ⁇ 60 to 097 to Thalensphone, so that a hydraulic water reduction containing clear S is obtained using this response. You can also.
• 3-5 to 37 degrees of formalin is used. (Condensation time at that time)
• S which is a weight average molecular pita can be obtained. For example, if the reaction period is lengthened, the weight average molecule tends to increase, and if the reaction period is shortened, the weight average molecule tends to decrease. Also, increasing the formaldehyde ratio tends to increase the weight average molecule, and decreasing the formaldehyde ratio tends to decrease the weight average molecule.
• Tarenshon is a formaldehyde of 0 ⁇ 6 to 0 ⁇ 9 7 and 8 5 to an alkyltalensphone having an alkyl group of prime number ⁇ 4.
• a clear water reduction for hardness can be obtained by a production method having a process of 4 to 5 at 95 C and 4 to 30 at 00 to 0. That is, to the reaction system (which may contain water) containing alkyltalensphonic acid having an alkyl group having a talensphone prime number of -4, formaldehyde at a rate of 85-95, between 4-5, etc. And neutralize the resulting reaction at 0 to 0oC for 4 to 30.
• 0 ⁇ 60 ⁇ 0 ⁇ 9 7 Preferably, 0 ⁇ 60 to 0 ⁇ 80, more preferably 0 ⁇ 60 to 0 ⁇ 70 formaldehyde is 85 C.
• the condensation reaction product is obtained by heating at 95 C for 4 to 5 and at 0 to 05 C for 4 to 30, preferably 4 to 2, and more preferably 4 to 7. against the reaction product.
• Alkaline, ammonium and amine are preferred.
• Sodium salt is preferred in the sense of al-salt.
• the weight average molecular weight S for example, the average molecular weight S of less than 900, contains many compounds under the molecule 4, but is poor in flow.
• S according to the present invention In the case of light water use for hardness and aqueous solution, it is preferable to have S according to the present invention of 30 to 42 35 to 42, and further 39 to 42. Also, in the case of, it may consist of S according to the present invention.
• Light hardened water, other public cement for example, performance AE, fluidizing agent, AE), AE, delay, early, accelerator, quenching, water retention, crack, high molecular weight, water soluble molecule, blast furnace Sura, fly assy, silica fume, expansion, gradual dispersant, gradual use are possible.
• water reduction selected from lignin type hon) lamin melamine hon formaldehyde compound
• the hydraulic substance used for the hydraulic property that is the object of light is a substance that reacts with water to form, and one substance does not have curability, but when two or more are combined, water is Cement and gypsum are preferred as substances that form hydration through mutual use.
• Ordinary portland cement, light cement, medium cement, cement, cement, cement, etc., and blast furnace slurry, fly ash, silica hum, stone powder (Lucium), etc. may be added to these.
• the hydraulic properties finally obtained by adding sand and gravel are generally called mortar and contour, respectively.
• the water of the hydraulic substance is from the start of water to the time after water injection or until it is mixed, and it is not limited.
• 3) is preferable from the viewpoint of reducing effect.
• methods ⁇ 3) may be performed in combination.
• Method 3 Add after the hard substance is finished and before mixing.
• high SS related to the water reduction for lightness may be added separately to the hydraulic material.
• the desired hydraulic fluidity and fluidity can be adjusted.
• it may be mixed with a clear water reducing agent and added to the hard substance. Describe the implementation of It is intended to describe the clarification, not to limit the clarification.
• Tallen is charged, and 9 8 ⁇ 2 8 is poured into 20 C.
• the target tarensphonic acid is obtained by changing the temperature to 60 C. 340.
• the ratio of the average numerator of S obtained in 2 and the pit below the 4,000 molecule obtained by GPC determination to the pita is shown.
• a predetermined amount of water was added to a 60-degree biaxial mixer corresponding to the amount of contact cement 0, and after 20 hours, a predetermined amount of water reduced as shown in 2 and 3 was added to 70.
• the slump was determined over time. That is, the slump was determined over time for the contours immediately after completion, after 30 minutes, after 60, and after 90. A 0 8 and (2) was determined over time 2

Landscapes

• Chemical & Material Sciences (AREA)
• Engineering & Computer Science (AREA)
• Ceramic Engineering (AREA)
• Organic Chemistry (AREA)
• Materials Engineering (AREA)
• Structural Engineering (AREA)
• Health & Medical Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Medicinal Chemistry (AREA)
• Polymers & Plastics (AREA)
• Curing Cements, Concrete, And Artificial Stone (AREA)
• Phenolic Resins Or Amino Resins (AREA)

Priority Applications (1)

Applications Claiming Priority (2)

Publications (1)

Family

ID=41663826

Family Applications (1)

Country Status (4)

Cited By (2)

Families Citing this family (4)

Citations (3)

Family Cites Families (2)

• 2009
  • 2009-08-06 JP JP2009183231A patent/JP5536389B2/ja active Active
  • 2009-08-06 CN CN2009801307211A patent/CN102112411B/zh active Active
  • 2009-08-06 MY MYPI2011000549A patent/MY164839A/en unknown
  • 2009-08-06 WO PCT/JP2009/064283 patent/WO2010016618A1/ja active Application Filing

Patent Citations (3)

Also Published As

Similar Documents

Legal Events