CN106432620A - Modified wood tar ceramic dispersant and preparation method thereof - Google Patents
Modified wood tar ceramic dispersant and preparation method thereof Download PDFInfo
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- CN106432620A CN106432620A CN201611010561.5A CN201611010561A CN106432620A CN 106432620 A CN106432620 A CN 106432620A CN 201611010561 A CN201611010561 A CN 201611010561A CN 106432620 A CN106432620 A CN 106432620A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
- C04B35/634—Polymers
- C04B35/63404—Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
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Abstract
The invention provides a modified wood tar ceramic dispersant and a preparation method thereof. The preparation method includes the steps: (1) adding wood tar, urea, 2-vinylphenol, alkaline regulators and water into a reactor, starting increasing temperature by heating, and starting stirring when the temperature rises to 85-100 DEG C; (2) slowly dropping formaldehyde, controlling dropping time within 1-3 hours, controlling the temperature to range from 85 DEG C to 125 DEG C during dropping, adding lignosulfonate and unsaturated carboxylic acid anhydride after dropping, starting dropping initiator solution with the concentration of 1-10% in weight percentage, controlling dropping time within 0.5-3 hours and controlling the temperature to range from 85 DEG C to 125 DEG C during dropping; (3) keeping the temperature for 0.5-3 hours after dropping, reducing the temperature and discharging materials to obtain the modified wood tar ceramic dispersant. The initiator solution is prepared from initiators and the balance water.
Description
Technical field
The present invention relates to ceramic dispersants technical field, particularly to a kind of modification wood tar ceramic dispersants and its preparation
Method.
Background technology
Ceramic dispersants also known as ceramics liquefacient, degumming agent, water reducer and diluent etc., as the one of ceramic additive
Kind, major function is to destroy the flocculent structure of ceramic slurry particle, so that slip is still had in the case that moisture is relatively low
Preferably dispersibility and relatively low viscosity.On the premise of ensureing mud proper flow and viscosity, reduce containing of mud as far as possible
Water rate is topmost energy-saving means.In Production of Ceramics, the excellent dispersant of serviceability can reduce the production of pottery
Cost, improve product quality, so that Production of Ceramics industry is developed towards high efficiency, quality is good and energy consumption is low direction.
At present, the dispersant that China ceramic industry is commonly used has：Waterglass, sodium phosphate, sodium tripolyphosphate, sodium pyrophosphate, six
Polymeric sodium metaphosphate., sodium carbonate, sodium citrate, sodium humate, lignosulfite etc..These dispersants exist dispergation narrow range,
Easily solidification, bad adaptability and the shortcomings of there is side effect in short time.Minority Ceramics Enterprises adopt organic dispersing agent and inorganic point
Powder compound use is although certain effect can be served, but the dispersant of exploitation does not have versatility it is impossible to be applied to various
Different clay mineral raw materials, thus be difficult to promote the use of.
Content of the invention
It is an object of the invention to overcoming the deficiencies in the prior art, provide a kind of modification wood tar ceramic dispersants, this
Bright modified wood tar ceramic dispersants have highly versatile, the advantage that consumption is little, effect is good, and ceramic mud can be made after use to exist
In the case that water content reduces as far as possible, reach the mobility of requirement again.The present invention also provides a kind of described modification wood tar
The preparation method of ceramic dispersants.
To achieve these goals, the present invention employs the following technical solutions：
A kind of preparation method of modification wood tar ceramic dispersants, is achieved by the steps of：
(1) add wood tar, carbamide, 2- vinylphenol, alkaline conditioner and partly after described water toward in reactor, open
Beginning heat temperature raising, when temperature rises to 85～100 DEG C, opens stirring；
(2) be slowly added dropwise formaldehyde, time for adding controls at 1～3 hour, during Deca temperature control at 85～125 DEG C, Deca
Add lignosulfonates, unsaturated carboxylic acid anhydrides after finishing, then start the initiation that Deca mass percent concentration is 1～10%
Agent solution, this initiator solution is formulated by the water of described initiator and surplus, and time for adding controlled at 0.5～3 hour, drips
Added-time temperature control is at 85～125 DEG C；
(3) cooling discharge after being incubated 0.5～3 hour after adding, obtains final product described modification wood tar ceramic dispersants.
Further, described alkaline conditioner be sodium hydroxide, potassium hydroxide, sodium carbonate, any one in potassium carbonate
Or two or more with any than mixing mixture.
Further, described lignosulfonates be sodium lignin sulfonate, lignin sulfonic acid potassium, in ammonium lignosulphonate
Any one or two or more with any than mixing mixture.
Further, described unsaturated carboxylic acid anhydrides be acrylic anhydride, methacrylic anhydride, any one in maleic anhydride
Or two or more with any than mixing mixture.
Further, described initiator be sodium peroxydisulfate, any one or two kinds in potassium peroxydisulfate and Ammonium persulfate. with
On with any than mixing mixture.
A kind of modification wood tar ceramic dispersants, are mainly made up of the raw material components of following portions by weight proportioning：
Compared with prior art, the present invention has following remarkable result：
1st, the present invention preparation modified wood tar ceramic dispersants functional group containing carboxyl, sulfonic group etc., addition with
When other conditions are identical, with respect to other ceramic dispersants, there is good mobility and viscosity, reached energy-saving mesh
, there are to biscuit of ceramics obvious reinforced effects simultaneously.
2nd, the modified wood tar ceramic dispersants simple production process of present invention preparation, mild condition, production process charging,
Condition is all easily controlled, it is easy to accomplish industrialized production.
Specific embodiment
With reference to embodiments the present invention is further elaborated on.
A kind of modification wood tar ceramic dispersants of the present invention, are made up of the raw material components of following portions by weight proportioning：
Described alkaline conditioner is sodium hydroxide, potassium hydroxide, sodium carbonate, in potassium carbonate any one or two or more
With any mixture than mixing.
Described lignosulfonates are sodium lignin sulfonate, lignin sulfonic acid potassium, any one in ammonium lignosulphonate
Or two or more with any than mixing mixture.
Described unsaturated carboxylic acid anhydrides are acrylic anhydride, methacrylic anhydride, any one or two kinds in maleic anhydride with
On with any than mixing mixture.
Described initiator be one of sodium peroxydisulfate, potassium peroxydisulfate and Ammonium persulfate. or two or more with any than mixing
Mixture.
A kind of preparation method of modification wood tar ceramic dispersants, is achieved by the steps of：
(1) add wood tar, carbamide, 2- vinylphenol, alkaline conditioner and partly after described water toward in reactor, open
Beginning heat temperature raising, when temperature rises to 85～100 DEG C, opens stirring；
(2) be slowly added dropwise formaldehyde, time for adding controls at 1～3 hour, during Deca temperature control at 85～125 DEG C, Deca
Add lignosulfonates, unsaturated carboxylic acid anhydrides after finishing, then start the initiation that Deca mass percent concentration is 1～10%
Agent solution, this initiator solution is formulated by the water of described initiator and surplus, and time for adding controlled at 0.5～3 hour, drips
Added-time temperature control is at 85～125 DEG C；
(3) cooling discharge after being incubated 0.5～3 hour after adding, obtains final product described modification wood tar ceramic dispersants.
With specific embodiment, the present invention is described in detail below, but the present invention is not limited only to this.
Embodiment one
A kind of modification wood tar ceramic dispersants, are made up of the raw material components of following portions by weight proportioning：
Its preparation method, is achieved by the steps of：
(1) toward in reactor add 12 parts of wood tar, 3 parts of carbamide, 1.5 parts of 2- vinylphenols, 4 parts of sodium hydroxide and
After 56.5 parts of water, begin to warm up intensification, when temperature rises to 90 DEG C, open stirring；
(2) it is slowly added dropwise 3 parts of formaldehyde, time for adding controls at 1.5 hours, and during Deca, temperature control, at 95 DEG C, drips
Add 7 parts of sodium lignin sulfonates, 3 parts of acrylic anhydrides after finishing, then start the sodium peroxydisulfate that Deca mass percent concentration is 3%
Solution, this sodium peroxydisulfate solution is formulated by described 0.3 part of sodium peroxydisulfate and 9.7 parts of water, and time for adding controls little 1.5
When, during Deca, temperature control is at 98 DEG C；
(3) cooling discharge after being incubated 1.5 hours after adding, obtains final product described modification wood tar ceramic dispersants.Embodiment two
A kind of modification wood tar ceramic dispersants, are made up of the raw material components of following portions by weight proportioning：
Its preparation method, is achieved by the steps of：
(1) 14 parts of wood tar, 5 parts of carbamide, 2 parts of 2- vinylphenols, 3 parts of sodium hydroxide and 50 parts are added toward in reactor
After water, begin to warm up intensification, when temperature rises to 87 DEG C, open stirring；
(2) be slowly added dropwise 3 parts of formaldehyde, time for adding controls at 2 hours, during Deca temperature control at 105 DEG C, completion of dropping
Add 8 parts of sodium lignin sulfonates, 5 parts of acrylic anhydrides afterwards, then start the sodium peroxydisulfate that Deca mass percent concentration is 5% molten
Liquid, this sodium peroxydisulfate solution is formulated by 0.5 part of sodium peroxydisulfate and 9.5 parts of water, and time for adding controls at 2 hours, during Deca
Temperature control is at 110 DEG C；
(3) cooling discharge after being incubated 2.5 hours after adding, obtains final product described modification wood tar ceramic dispersants.Embodiment three
A kind of modification wood tar ceramic dispersants, are made up of the raw material components of following portions by weight proportioning：
Its preparation method, is achieved by the steps of：
(1) toward in reactor add 16 parts of wood tar, 6 parts of carbamide, 2.5 parts of 2- vinylphenols, 3 parts of alkaline conditioners and
After 41.5 parts of water, begin to warm up intensification, when temperature rises to 90 DEG C, open stirring；
(2) it is slowly added dropwise 5 parts of formaldehyde, time for adding controls at 2.5 hours, and during Deca, temperature control, at 115 DEG C, drips
Add 9 parts of lignin sulfonic acid potassium, 7 parts of methacrylic anhydrides after finishing, then start the over cure that Deca mass percent concentration is 7%
Sour potassium solution, this potassium persulfate solution is formulated by 0.7 part of potassium peroxydisulfate and 9.3 parts of water, and time for adding controls little 2.5
When, during Deca, temperature control is at 120 DEG C；
(3) cooling discharge after being incubated 2 hours after adding, obtains final product described modification wood tar ceramic dispersants.
Example IV
A kind of modification wood tar ceramic dispersants, are made up of the raw material components of following portions by weight proportioning：
Its preparation method, is achieved by the steps of：
(1) 18 parts of wood tar, 7 parts of carbamide, 3 parts of 2- vinylphenols, 2 parts of potassium hydroxide and 40 parts are added toward in reactor
After water, begin to warm up intensification, when temperature rises to 98 DEG C, open stirring；
(2) it is slowly added dropwise 5 parts of formaldehyde, time for adding controls at 2.5 hours, and during Deca, temperature control, at 105 DEG C, drips
Add 7 parts of ammonium lignosulphonates, 8 parts of methacrylic anhydrides after finishing, then start the over cure that Deca mass percent concentration is 9%
Sour potassium solution, this potassium persulfate solution is formulated by 0.9 part of potassium peroxydisulfate and 9.1 parts of water, and time for adding controls little 2.5
When, during Deca, temperature control is at 112 DEG C；
(3) cooling discharge after being incubated 2.5 hours after adding, obtains final product described modification wood tar ceramic dispersants.Embodiment five
A kind of modification wood tar ceramic dispersants, are made up of the raw material components of following portions by weight proportioning：
Wherein：
Lignosulfonates adopt the mixture of sodium lignin sulfonate and lignin sulfonic acid potassium, and sodium lignin sulfonate and wood
The amount ratio of quality potassium sulfonate is 1:4, i.e. the consumption of sodium lignin sulfonate and lignin sulfonic acid potassium is respectively 1 part and 4 parts.
Its preparation method, is achieved by the steps of：
(1) 20 parts of wood tar, 7 parts of carbamide, 3.5 parts of 2- vinylphenols, 2 parts of sodium carbonate and 27.5 are added toward in reactor
After part water, begin to warm up intensification, when temperature rises to 97 DEG C, open stirring；
(2) be slowly added dropwise 7 parts of formaldehyde, time for adding controls at 2 hours, during Deca temperature control at 117 DEG C, completion of dropping
Add 1 part of sodium lignin sulfonate, 4 parts of lignin sulfonic acid potassium, 8 parts of maleic anhydrides afterwards, then start Deca mass percent concentration
Ammonium persulfate solution for 5%, this ammonium persulfate solution is formulated by 1 part of Ammonium persulfate. and 19 parts of water, and time for adding controls
At 2.5 hours, during Deca, temperature control was at 120 DEG C；
(3) cooling discharge after being incubated 1.5 hours after adding, obtains final product described modification wood tar ceramic dispersants.
Embodiment six
A kind of modification wood tar ceramic dispersants, are made up of the raw material components of following portions by weight proportioning：
Wherein：
Unsaturated carboxylic acid anhydrides adopt the mixture of acrylic anhydride and methacrylic anhydride, and acrylic anhydride and methacrylic acid
The amount ratio of acid anhydride is 1:2, i.e. the consumption of acrylic anhydride and methacrylic anhydride is respectively 3 parts and 6 parts.
Initiator adopts the mixture of sodium peroxydisulfate and potassium peroxydisulfate, and the amount ratio of sodium peroxydisulfate and potassium peroxydisulfate is 1:
1, i.e. the consumption of sodium peroxydisulfate and potassium peroxydisulfate is respectively 0.75 part.
Its preparation method, is achieved by the steps of：
(1) 23 parts of wood tar, 8 parts of carbamide, 4 parts of 2- vinylphenols, 1.5 parts of potassium carbonate and 22.5 are added toward in reactor
After part water, begin to warm up intensification, when temperature rises to 95 DEG C, open stirring；
(2) it is slowly added dropwise 9 parts of formaldehyde, time for adding controls at 2.5 hours, and during Deca, temperature control, at 113 DEG C, drips
Add 3 parts of ammonium lignosulphonates, 3 parts of acrylic anhydrides, 6 parts of methacrylic anhydrides after finishing, then start Deca mass percent dense
Spend the initiator solution for 7.5%, this initiator solution by 0.75 part of sodium peroxydisulfate and, 0.75 part of potassium peroxydisulfate and 18.5 parts of water
It is formulated, time for adding controls at 2 hours, and during Deca, temperature control is at 115 DEG C；
(3) cooling discharge after being incubated 2.5 hours after adding, obtains final product described modification wood tar ceramic dispersants.
It is below using the modified wood tar ceramic dispersants of the present invention and the performance comparison number of commercially available ceramic dispersants
According to.Ceramic batch composition (wt%) is shown in Table 1.
Table 1 ceramic batch forms
| Clay | Kaolin | Anhydrite | Silica flour |
| 40% | 15% | 30% | 15% |
The modified wood tar ceramic dispersants of table 2 embodiment of the present invention one～six preparation and commercially available ceramic dispersants performance
Contrast table
Remarks：1st, control sample is commercially available ceramic dispersants, is by sodium tripolyphosphate and waterglass in mass ratio 5:2 are made into
Mixture；
2nd, the delivery time of ceramic slurry is using applying 4 glasss of mensure, with flowing out 100 milliliters of slurry required times come table
Show；
3rd, the test of green compact rupture strength is with reference to GB GBT3810.4-2006 the 4th part：The modulus of rupture and breakdown strength
Measure.
Described above, only utilize the embodiment of this origination techniques content, any those skilled in the art use this wound
Make done modification, change, all belong to the scope of the claims of this creation opinion, and be not limited to those disclosed embodiments.
Claims (6)
1. a kind of modification wood tar ceramic dispersants preparation method it is characterised in that：It is achieved by the steps of：
(1), after adding wood tar, carbamide, 2- vinylphenol, alkaline conditioner and water toward in reactor, begin to warm up intensification,
When temperature rises to 85～100 DEG C, open stirring；
(2) be slowly added dropwise formaldehyde, time for adding controls at 1～3 hour, during Deca temperature control at 85～125 DEG C, completion of dropping
Add lignosulfonates, unsaturated carboxylic acid anhydrides afterwards, then start the initiator that Deca mass percent concentration is 1～10% molten
Liquid, this initiator solution is formulated by the water of described initiator and surplus, and time for adding controls at 0.5～3 hour, during Deca
Temperature control is at 85～125 DEG C；
(3) cooling discharge after being incubated 0.5～3 hour after adding, obtains final product described modification wood tar ceramic dispersants.
2. according to claim 1 a kind of modification wood tar ceramic dispersants preparation method it is characterised in that：Described alkali
Property regulator be sodium hydroxide, potassium hydroxide, sodium carbonate, in potassium carbonate any one or two or more with any than mixing
Mixture.
3. according to claim 1 a kind of modification wood tar ceramic dispersants preparation method it is characterised in that：Described wood
Mahogany sulfonate is sodium lignin sulfonate, lignin sulfonic acid potassium, in ammonium lignosulphonate any one or two or more to appoint
Meaning is than the mixture of mixing.
4. according to claim 1 a kind of modification wood tar ceramic dispersants preparation method it is characterised in that：Described not
Saturated carboxylic acid acid anhydride is acrylic anhydride, methacrylic anhydride, in maleic anhydride any one or two or more with any than mixing
Mixture.
5. according to claim 1 a kind of modification wood tar ceramic dispersants preparation method it is characterised in that：Described draw
Send out agent be sodium peroxydisulfate, in potassium peroxydisulfate and Ammonium persulfate. any one or two or more with any mixture than mixing.
6. a kind of modification wood tar ceramic dispersants it is characterised in that：The main raw material components system by following portions by weight proportioning
Become：
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| CN108675801A (en) * | 2018-06-17 | 2018-10-19 | 刘玉清 | A kind of polymer ceramic liquefacient and preparation method thereof |
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Effective date of registration: 20191008 Address after: 243000 Anhui city of Ma'anshan province high tech Zone at 1669 North Road Huo sparkle Building No. 2 Applicant after: Ma'anshan micro precision Electromechanical Science and Technology Co Ltd Address before: Shishi Haojiang road Quanzhou City, Fujian province 362700 No. 707 Jin Yu Garden Building 1, Room 502 Applicant before: Li Bi Yun |
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