CN106799455A - A kind of bentonite adhesive and preparation method thereof - Google Patents
A kind of bentonite adhesive and preparation method thereof Download PDFInfo
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- CN106799455A CN106799455A CN201710244755.XA CN201710244755A CN106799455A CN 106799455 A CN106799455 A CN 106799455A CN 201710244755 A CN201710244755 A CN 201710244755A CN 106799455 A CN106799455 A CN 106799455A
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- parts
- bentonite
- starch
- diluent
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
- B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
- B22C1/167—Mixtures of inorganic and organic binding agents
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The present invention provides a kind of bentonite adhesive and preparation method thereof, including following component：Bentonite, starch, careless property sodium, formaldehyde, borax, string, synthetic rubber and diluent.Mentioned component is watered mixing in proportion, the binding agent being made has caking property well, Practical Performance is good, and the cost of material is low, preparation method is simple, and the security performance for using is high, and good endurance is applied widely.
Description
Technical field
The invention belongs to binding agent manufacturing technology field, and in particular to a kind of bentonite adhesive and preparation method thereof.
Background technology
Present binding agent is generally resin, and organic resin is odorous, can be to environment during the entire process of Foundry Production
Bad influence is caused, and most inorganic resins are the derivative of oil, belong to non-renewable resources, cost is very high.It is above-mentioned into
The adhesive strength point made is low, and moisture resistance is poor, and performance is not notable.Silt rock of the swelling soil series with montmorillonite as main component,
Color has white, light gray, LightPink, flesh-coloured, greenish-yellow, brick red, maroon etc..Greasy luster, candle shape gloss or earthy gloss, tool
There are conchoidal or ragged fracture, there is loose such as soil person, but fine and close hard person is in the majority, it is maximum with bibulous feature
Water absorption is 8-15 times of its volume, and, from several times to more than 30 times, plasticity is strong, there is preferable bonding for moisture expantion multiple
Property, into dry and cracked fragment after drying in the sun.
In daily production and living, binding agent is used as a kind of conventional raw materials for production, and the use in daily production is extremely wide
It is general, and most of binding agent is prepared for industrial chemicals, security is relatively low, and is easy to distribute harmful substance.Therefore a kind of property is needed
Can more preferably and low cost binding agent.
The content of the invention
It is an object of the invention to provide a kind of bentonite adhesive and preparation method thereof, Practical Performance is good, and the cost of material is low,
Preparation method is simple, and the security performance for using is high.
The invention provides following technical scheme：
A kind of bentonite adhesive, it is characterised in that weight constitutes number and is：Bentonite 15-30 parts, starch 10-20 parts, Gou Xing
Sodium 5-15 parts, formaldehyde 5-10 parts, borax 10-20 parts, string 20-30 parts, synthetic rubber 10-15 parts and diluent 10-20
Part.
Preferably, the weight composition number is：Bentonite 20-30 parts, starch 15-20 parts, 10-15 parts of careless property sodium, first
Aldehyde 7-10 parts, borax 15-20 parts, string 23-30 parts, synthetic rubber 12-15 parts and diluent 13-20 parts.
Preferably, the weight composition number is：23 parts of bentonite, 15 parts of starch, careless 13 parts of property sodium, 7 parts of formaldehyde, borax
15 parts of 17 parts, 26 parts of string, 12 parts of synthetic rubber and diluent.
Preferably, the synthetic rubber is any one in neoprene, butyl rubber and polysulfide rubber.
Preferably, the diluent is any one in ethanol, acetone, butanol, toluene and butyl acetate.
A kind of preparation method of bentonite adhesive, comprises the following steps：
Step one, bentonite, careless property sodium, formaldehyde, borax and string are mixed, stir equal under 2000-3000r/min
It is even；
Step 2, starch is watered mixes to thick, obtain starch fluid；
Step 3, step one product is mixed with starch fluid, add synthetic rubber and diluent, stirred, at 60-80 DEG C
Lower heating 20-40min.
Preferably, step one stir speed (S.S.) is 2000r/min, and the stir speed (S.S.) can stir more gentle shape
Under state so that stirring is completed as early as possible.
Preferably, the step 3 heating-up temperature is 80 DEG C.
Preferably, the step 3 heat time is 20min, is conducive to reaction more abundant.
The beneficial effects of the invention are as follows：
The string of present invention addition can effectively improve the adhesive property of binding agent, and the effect of synthetic rubber can be effective
It is more longlasting that ground bonds binding agent, more with plasticity.
The bentonite composition of present invention addition, itself structure just has good absorption property, adds by a series of
Work remains its characteristic after preparing, and the adhesive property of the binding agent for being is greatly promoted.
Binding agent adhesive property of the invention is good, and the cost of material is low and material source extensive, and preparation method is simple, makes
Energy-saving and emission-reduction in journey, environment friendly and pollution-free, security performance is high in manufacturing process.The good endurance of binding agent, it is applied widely, and
It is environment friendly and pollution-free, it is adapted to batch production.
Specific embodiment
Embodiment 1
A kind of bentonite adhesive, it is characterised in that weight constitutes number and is：15 parts of bentonite, 10 parts of starch, careless 5 parts of property sodium,
10 parts of 5 parts of formaldehyde, 10 parts of borax, 20 parts of string, 10 parts of synthetic rubber and diluent.
Synthetic rubber is neoprene.
Diluent is ethanol.
A kind of preparation method of bentonite adhesive, comprises the following steps：
Step one, by bentonite, careless property sodium, formaldehyde, borax and string mix, stirred under 3000r/min；
Step 2, starch is watered mixes to thick, obtain starch fluid；
Step 3, step one product is mixed with starch fluid, add synthetic rubber and diluent, stirred, at 80 DEG C
Heating 40min.
Embodiment 2
A kind of bentonite adhesive, it is characterised in that weight constitutes number and is：15 parts of bentonite, 10 parts of starch, careless 5 parts of property sodium,
20 parts of 10 parts of formaldehyde, 10 parts of borax, 30 parts of string, 15 parts of synthetic rubber and diluent.
Synthetic rubber is butyl rubber.
Diluent is butyl acetate.
A kind of preparation method of bentonite adhesive, comprises the following steps：
Step one, by bentonite, careless property sodium, formaldehyde, borax and string mix, stirred under 2000r/min；
Step 2, starch is watered mixes to thick, obtain starch fluid；
Step 3, step one product is mixed with starch fluid, add synthetic rubber and diluent, stirred, at 80 DEG C
Heating 40min.
Embodiment 3
A kind of bentonite adhesive, it is characterised in that weight constitutes number and is：23 parts of bentonite, 15 parts of starch, careless property sodium 13
Part, 7 parts of formaldehyde, 17 parts of borax, 26 parts of string, 12 parts of synthetic rubber and 15 parts of diluent.
Synthetic rubber is polysulfide rubber.
Diluent is acetone.
A kind of preparation method of bentonite adhesive, comprises the following steps：
Step one, by bentonite, careless property sodium, formaldehyde, borax and string mix, stirred under 2500r/min；
Step 2, starch is watered mixes to thick, obtain starch fluid；
Step 3, step one product is mixed with starch fluid, add synthetic rubber and diluent, stirred, at 85 DEG C
Heating 30min.
Embodiment 4
A kind of bentonite adhesive, it is characterised in that weight constitutes number and is：30 parts of bentonite, 20 parts of starch, careless property sodium 15
Part, 10 parts of formaldehyde, 20 parts of borax, 30 parts of string, 15 parts of synthetic rubber and 20 parts of diluent.
Synthetic rubber is butyl rubber.
Diluent is toluene.
A kind of preparation method of bentonite adhesive, comprises the following steps：
Step one, by bentonite, careless property sodium, formaldehyde, borax and string mix, stirred under 2300r/min；
Step 2, starch is watered mixes to thick, obtain starch fluid；
Step 3, step one product is mixed with starch fluid, add synthetic rubber and diluent, stirred, at 68 DEG C
Heating 24min.
Embodiment 5
A kind of bentonite adhesive, it is characterised in that weight constitutes number and is：20 parts of bentonite, 15 parts of starch, careless property sodium 15
Part, 10 parts of formaldehyde, 20 parts of borax, 23 parts of string, 12 parts and diluent 13-20 parts of synthetic rubber.
A kind of preparation method of bentonite adhesive, comprises the following steps：
Step one, by bentonite, careless property sodium, formaldehyde, borax and string mix, stirred under 3000r/min；
Step 2, starch is watered mixes to thick, obtain starch fluid；
Step 3, step one product is mixed with starch fluid, add synthetic rubber and diluent, stirred, at 60 DEG C
Heating 40min.
Embodiment 6
A kind of bentonite adhesive, it is characterised in that weight constitutes number and is：15 parts of bentonite, 10 parts of starch, careless 5 parts of property sodium,
10 parts of formaldehyde, 20 parts of borax, 23 parts of string, 12 parts and diluent 13-20 parts of synthetic rubber.
A kind of preparation method of bentonite adhesive, comprises the following steps：
Step one, by bentonite, careless property sodium, formaldehyde, borax and string mix, stirred under 2000r/min；
Step 2, starch is watered mixes to thick, obtain starch fluid；
Step 3, step one product is mixed with starch fluid, add synthetic rubber and diluent, stirred, at 80 DEG C
Heating 30min.
Embodiment 7
A kind of bentonite adhesive, it is characterised in that weight constitutes number and is：15 parts of bentonite, 10 parts of starch, careless 5 parts of property sodium,
10 parts of formaldehyde, 20 parts of borax, 23 parts of string, 12 parts and diluent 13-20 parts of synthetic rubber.
A kind of preparation method of bentonite adhesive, comprises the following steps：
Step one, by bentonite, careless property sodium, formaldehyde, borax and string mix, stirred under 2500r/min；
Step 2, starch is watered mixes to thick, obtain starch fluid；
Step 3, step one product is mixed with starch fluid, add synthetic rubber and diluent, stirred, at 70 DEG C
Heating 30min.
Embodiment 8
A kind of bentonite adhesive, it is characterised in that weight constitutes number and is：20 parts of bentonite, 15 parts of starch, careless property sodium 15
Part, 10 parts of formaldehyde, 20 parts of borax, 30 parts of string, 15 parts of synthetic rubber and 20 parts of diluent.
A kind of preparation method of bentonite adhesive, comprises the following steps：
Step one, by bentonite, careless property sodium, formaldehyde, borax and string mix, stirred under 2800r/min；
Step 2, starch is watered mixes to thick, obtain starch fluid；
Step 3, step one product is mixed with starch fluid, add synthetic rubber and diluent, stirred, at 80 DEG C
Heating 30min.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, although with reference to foregoing reality
Apply example to be described in detail the present invention, for a person skilled in the art, it still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent to which part technical characteristic.It is all in essence of the invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (9)
1. a kind of bentonite adhesive, it is characterised in that weight composition number is：Bentonite 15-30 parts, starch 10-20 parts, it is careless
5-15 parts, formaldehyde 5-10 parts, borax 10-20 parts, string 20-30 parts, synthetic rubber 10-15 parts and diluent 10- of sodium of property
20 parts.
2. a kind of bentonite adhesive according to claim 1, it is characterised in that weight composition number is：Bentonite 20-
30 parts, starch 15-20 parts, 10-15 parts of careless property sodium, formaldehyde 7-10 parts, borax 15-20 parts, string 23-30 parts, synthesis rubber
Glue 12-15 parts and diluent 13-20 parts.
3. a kind of bentonite adhesive according to claim 1, it is characterised in that weight composition number is：Bentonite 23
Part, 15 parts of starch, careless 13 parts of property sodium, 7 parts of formaldehyde, 17 parts of borax, 26 parts of string, 12 parts of synthetic rubber and diluent 15
Part.
4. a kind of bentonite adhesive according to claim any one of 1-3, it is characterised in that the synthetic rubber is chlorine
Any one in buna, butyl rubber and polysulfide rubber.
5. a kind of bentonite adhesive according to claim any one of 1-3, it is characterised in that the diluent is second
Any one in alcohol, acetone, butanol, toluene and butyl acetate.
6. the preparation method of a kind of bentonite adhesive described in any one of claim 1-3, it is characterised in that including following step
Suddenly：
Step one, bentonite, careless property sodium, formaldehyde, borax and string are mixed, stir equal under 2000-3000r/min
It is even；
Step 2, starch is watered mixes to thick, obtain starch fluid；
Step 3, step one product is mixed with starch fluid, add synthetic rubber and diluent, stirred, at 60-80 DEG C
Lower heating 20-40min.
7. the preparation method of a kind of bentonite adhesive according to claim 4, it is characterised in that the step one is stirred
Speed is 2000r/min.
8. a kind of preparation method of bentonite adhesive according to claim 4, it is characterised in that the step 3 heating
Temperature is 80 DEG C.
9. a kind of preparation method of bentonite adhesive according to claim 4, it is characterised in that the step 3 heating
Time is 20min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710244755.XA CN106799455A (en) | 2017-04-14 | 2017-04-14 | A kind of bentonite adhesive and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710244755.XA CN106799455A (en) | 2017-04-14 | 2017-04-14 | A kind of bentonite adhesive and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN106799455A true CN106799455A (en) | 2017-06-06 |
Family
ID=58981832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201710244755.XA Withdrawn CN106799455A (en) | 2017-04-14 | 2017-04-14 | A kind of bentonite adhesive and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113059114A (en) * | 2021-03-04 | 2021-07-02 | 曲阜冶通铸材科技发展有限公司 | Comprehensive additive for molding sand of clay sand for casting |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5950946A (en) * | 1982-09-16 | 1984-03-24 | Kiriyuu Kikai Kk | Core sand for casting |
| CN101760276A (en) * | 2010-01-11 | 2010-06-30 | 北京中科圣宝荷新材料科技有限公司 | Binder for coke powder molding and application method thereof |
| CN104119705A (en) * | 2014-06-26 | 2014-10-29 | 安徽普源分离机械制造有限公司 | High-performance modified bentonite and preparation method thereof |
| CN104497909A (en) * | 2014-12-20 | 2015-04-08 | 李锋 | Environment-friendly plant-based hot melt adhesive for pencil preparation |
| CN104497375A (en) * | 2014-12-19 | 2015-04-08 | 成都俊马密封制品有限公司 | Temperature-resisting sealing material prepared from organic/inorganic commixed co-flocculated binding agent and preparation method of temperature-resisting sealing material |
| CN105906886A (en) * | 2016-06-23 | 2016-08-31 | 安徽荣达阀门有限公司 | Waterproof water-expanding rubber sealing material with low dissolve-loss rate and preparation method thereof |
-
2017
- 2017-04-14 CN CN201710244755.XA patent/CN106799455A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5950946A (en) * | 1982-09-16 | 1984-03-24 | Kiriyuu Kikai Kk | Core sand for casting |
| CN101760276A (en) * | 2010-01-11 | 2010-06-30 | 北京中科圣宝荷新材料科技有限公司 | Binder for coke powder molding and application method thereof |
| CN104119705A (en) * | 2014-06-26 | 2014-10-29 | 安徽普源分离机械制造有限公司 | High-performance modified bentonite and preparation method thereof |
| CN104497375A (en) * | 2014-12-19 | 2015-04-08 | 成都俊马密封制品有限公司 | Temperature-resisting sealing material prepared from organic/inorganic commixed co-flocculated binding agent and preparation method of temperature-resisting sealing material |
| CN104497909A (en) * | 2014-12-20 | 2015-04-08 | 李锋 | Environment-friendly plant-based hot melt adhesive for pencil preparation |
| CN105906886A (en) * | 2016-06-23 | 2016-08-31 | 安徽荣达阀门有限公司 | Waterproof water-expanding rubber sealing material with low dissolve-loss rate and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113059114A (en) * | 2021-03-04 | 2021-07-02 | 曲阜冶通铸材科技发展有限公司 | Comprehensive additive for molding sand of clay sand for casting |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170606 |
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| WW01 | Invention patent application withdrawn after publication |