CN104418977A - Carboxy styrene-butadiene latex - Google Patents
Carboxy styrene-butadiene latex Download PDFInfo
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- CN104418977A CN104418977A CN201310370817.3A CN201310370817A CN104418977A CN 104418977 A CN104418977 A CN 104418977A CN 201310370817 A CN201310370817 A CN 201310370817A CN 104418977 A CN104418977 A CN 104418977A
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Abstract
The invention belongs to the technical field of chemical industry, and relates to a carboxy styrene-butadiene latex, which is mainly applied in the industries of tufted carpets, machine-made carpet back coatings, artificial lawn back coatings, paper making, building and the like. According to the present invention, the raw materials required by the preparation method comprises ammonia water, sodium dodecyl sulfate, sodium bicarbonate, disodium ethylene diamine tetraacetate, potassium chloride, ammonium persulfate, sodium dodecylbenzene sulfonate, sodium hydroxide, a defoamer, thiol, acrylic acid, styrene and butadiene; the carboxy styrene-butadiene latex is a terpolymer, and has characteristics of high film binding strength, high adhesion, excellent stability, excellent fluidity, high filling amount, good film forming property, excellent mechanical stability, excellent chemical stability, excellent freeze thawing stability, good compatibility with pigments and fillers, and the like; and the production process is simple, the manufacturing cost is not high, and the carboxy styrene-butadiene latex of the present invention is suitable for promotion and application in the related technical field.
Description
Technical field
The invention belongs to chemical technology field, be mainly used in tufted carpet, the back of the body of machine-made carpet is coated with, the back of the body of chinampa is coated with, the industry such as papermaking and building.
Background technology
Carboxylic styrene butadiene latex adds a small amount of carboxylic acid and other auxiliary agent, the multipolymer generated by letex polymerization with divinyl, vinylbenzene, is a kind of oyster white water dispersion with bluish voilet gloss.Combined styrene ratio is higher, has higher cohesive force and conjunctiva intensity, machinery and chemical stability good, the advantages such as mobility, package stability are all good, and loading level is large.Residual benzene class monomer is very micro-, belongs to environmentally friendly machine.
Summary of the invention
The object of this invention is to provide high carboxylic styrene butadiene latex of a kind of adhesiveproperties and preparation method thereof.
Carboxylic styrene butadiene latex, the raw material needed for its preparation method comprises peace water, sodium lauryl sulphate, little Su reach, EDETATE SODIUM, Repone K, ammonium persulphate, Sodium dodecylbenzene sulfonate, sodium hydroxide, defoamer, mercaptan, vinylformic acid, vinylbenzene, divinyl.
The proportioning of method for preparing carboxylic styrene butadiene latex desired raw material is peace water 8-10kg, sodium lauryl sulphate 7-8kg, little Su reach 4.5-6kg, EDETATE SODIUM 0.8-1.6kg, Repone K 0.5-0.7kg, ammonium persulphate 20-25kg, Sodium dodecylbenzene sulfonate 20-30kg, sodium hydroxide 20-30kg, defoamer 2-5kg, vinylformic acid 55-65kg, vinylbenzene 500-1300kg, divinyl 900-1200kg.
Method for preparing carboxylic styrene butadiene latex also needs mercaptan 10-20 liter.
The concrete steps of method for preparing carboxylic styrene butadiene latex are:
A, first soft water (conductance 20-30mpas) 1500-2000kg to be got in aqueous phase still, opens stirring, and then An Shui, little Su are reached, Repone K, sodium lauryl sulphate, vinylformic acid, EDETATE SODIUM be put in aqueous phase and stir 20-30 minute;
B, aqueous phase is got in polymeric kettle, add vinylbenzene 400-600kg, mercaptan adds after 3-12 rises and be evacuated down to 0.03-0.08mpa, open polymeric kettle and stir, in polymeric kettle, then add divinyl 300-1000kg react;
C, the material nitrogen be polymerized to be pressed onto in degassed still, to open stirring, sodium hydroxide 20-30kg, defoamer 2-5kg are added in degassed still, with vacuum pump evacuation to 0.05-0.06mpa, with the post-reacted monomer of the degassed removal polymerization of steam 0.08mpa;
D, qualified after testing after, (1 ton every barrel) in latex packing ton bucket, volatile polystyrene raw material multilayer nylon composite polyethylene bag is packed, and stores at shady and cool ventilation place.
In preparation method step B with steam jacket by polymerization kettle temperature raising to 65-75 DEG C, add ammonium persulfate solution with pump, with ammonium persulfate solution polymerization in solution cause heat release, polyreaction.Wherein, described ammonium persulfate solution comprises ammonium persulphate 10-21kg, water 100kg.
Carboxylic styrene butadiene latex is terpolymer, has higher conjunctiva intensity and bonding force; Stability, mobility are all good; Loading level is large; Moulding property is good; Machinery, chemistry and freeze-thaw stability are excellent; With the feature such as pigment, stopping composition consistency be good.In addition, manufacture craft of the present invention is simple, and manufacturing cost is not high, and the present invention is adapted at correlative technology field and promotes the use of.
Embodiment
For making technical scheme of the present invention and feature clearly, below in conjunction with embodiment, the present invention is described in further detail.At this, following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
Carboxylic styrene butadiene latex, the raw material needed for its preparation method comprises peace water, sodium lauryl sulphate, little Su reach, EDETATE SODIUM, Repone K, ammonium persulphate, Sodium dodecylbenzene sulfonate, sodium hydroxide, defoamer, mercaptan, vinylformic acid, vinylbenzene, divinyl.
The proportioning of method for preparing carboxylic styrene butadiene latex desired raw material is peace water 8-10kg, sodium lauryl sulphate 7-8kg, little Su reach 4.5-6kg, EDETATE SODIUM 0.8-1.6kg, Repone K 0.5-0.7kg, ammonium persulphate 20-25kg, Sodium dodecylbenzene sulfonate 20-30kg, sodium hydroxide 20-30kg, defoamer 2-5kg, vinylformic acid 55-65kg, vinylbenzene 500-1300kg, divinyl 900-1200kg.
Method for preparing carboxylic styrene butadiene latex also needs mercaptan 10-20 liter.
The concrete steps of method for preparing carboxylic styrene butadiene latex are:
A, first soft water (conductance 20-30mpas) 1500-2000kg to be got in aqueous phase still, opens stirring, and then An Shui, little Su are reached, Repone K, sodium lauryl sulphate, vinylformic acid, EDETATE SODIUM be put in aqueous phase and stir 20-30 minute;
B, aqueous phase is got in polymeric kettle, add vinylbenzene 400-600kg, mercaptan adds after 3-12 rises and be evacuated down to 0.03-0.08mpa, open polymeric kettle and stir, in polymeric kettle, then add divinyl 300-1000kg react;
The temperature of polyreaction is made to control at 85-90 DEG C, with pump, secondary material water 300-500kg, Sodium dodecylbenzene sulfonate 2-21kg, ammonium persulphate 5-21kg are added in polymeric kettle after one hour, divinyl 600-900kg, vinylbenzene 1100-700kg, mercaptan 7-15 are risen and be added in polymeric kettle, after adding secondary material, temperature controls carboxylic styrene butadiene latex after 90-95 DEG C, 2-3 hour and has been polymerized;
C, the material nitrogen be polymerized to be pressed onto in degassed still, to open stirring, sodium hydroxide 20-30kg, defoamer 2-5kg are added in degassed still, with vacuum pump evacuation to 0.05-0.06mpa, with the post-reacted monomer of the degassed removal polymerization of steam 0.08mpa;
D, qualified after testing after, (1 ton every barrel) in latex packing ton bucket, volatile polystyrene raw material multilayer nylon composite polyethylene bag is packed, and stores at shady and cool ventilation place.
In preparation method step B with steam jacket by polymerization kettle temperature raising to 65-75 DEG C, ammonium persulfate solution (described ammonium persulfate solution comprises ammonium persulphate 10-21kg, water 100kg) is added with pump, with ammonium persulfate solution, the solution in polymerization is caused heat release, polyreaction.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here cannot give exhaustive to all embodiments.Every belong to technical scheme of the present invention the apparent change of extending out or variation be still in the row of protection scope of the present invention.
Claims (6)
1. carboxylic styrene butadiene latex, the raw material that it is characterized in that needed for preparation method comprises peace water, sodium lauryl sulphate, little Su reach, EDETATE SODIUM, Repone K, ammonium persulphate, Sodium dodecylbenzene sulfonate, sodium hydroxide, defoamer, mercaptan, vinylformic acid, vinylbenzene, divinyl.
2. carboxylic styrene butadiene latex according to claim 1, is characterized in that the proportioning of preparation method's desired raw material is peace water 8-10kg, sodium lauryl sulphate 7-8kg, little Su reach 4.5-6kg, EDETATE SODIUM 0.8-1.6kg, Repone K 0.5-0.7kg, ammonium persulphate 20-25kg, Sodium dodecylbenzene sulfonate 20-30kg, sodium hydroxide 20-30kg, defoamer 2-5kg, vinylformic acid 55-65kg, vinylbenzene 500-1300kg, divinyl 900-1200kg.
3. carboxylic styrene butadiene latex according to claim 1, is characterized in that the proportioning of preparation method's desired raw material also comprises mercaptan 10-20 liter.
4. the preparation method of carboxylic styrene butadiene latex, is characterized in that the concrete steps of preparation method are:
A, first soft water (conductance 20-30mpas) 1500-2000kg to be got in aqueous phase still, opens stirring, and then An Shui, little Su are reached, Repone K, sodium lauryl sulphate, vinylformic acid, EDETATE SODIUM be put in aqueous phase and stir 20-30 minute;
B, aqueous phase is got in polymeric kettle, add vinylbenzene 400-600kg, mercaptan adds after 3-12 rises and be evacuated down to 0.03-0.08mpa, open polymeric kettle and stir, in polymeric kettle, then add divinyl 300-1000kg react;
C, the material nitrogen be polymerized to be pressed onto in degassed still, to open stirring, sodium hydroxide 20-30kg, defoamer 2-5kg are added in degassed still, with vacuum pump evacuation to 0.05-0.06mpa, with the post-reacted monomer of the degassed removal polymerization of steam 0.08mpa;
D, qualified after testing after, (1 ton every barrel) in latex packing ton bucket, volatile polystyrene raw material multilayer nylon composite polyethylene bag is packed, and stores at shady and cool ventilation place.
5. the preparation method of carboxylic styrene butadiene latex according to claim 4, to it is characterized in that polymerization kettle temperature raising in preparation method step B with steam jacket to 65-75 DEG C, add ammonium persulfate solution with pump, with ammonium persulfate solution, the solution in polymerization is caused heat release, polyreaction.
6. the preparation method of carboxylic styrene butadiene latex according to claim 5, is characterized in that described ammonium persulfate solution comprises ammonium persulphate 10-21kg, water 100kg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310370817.3A CN104418977A (en) | 2013-08-23 | 2013-08-23 | Carboxy styrene-butadiene latex |
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| CN201310370817.3A CN104418977A (en) | 2013-08-23 | 2013-08-23 | Carboxy styrene-butadiene latex |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105294947A (en) * | 2015-10-19 | 2016-02-03 | 杭州蓝诚实业有限公司 | Preparing method for high-performance styrene-butadiene latex for papermaking |
| CN106220787A (en) * | 2016-08-26 | 2016-12-14 | 枣阳市恒泰化工有限公司 | A kind of special carboxylic styrene butadiene latex of cement |
| CN106279535A (en) * | 2016-08-26 | 2017-01-04 | 枣阳市恒泰化工有限公司 | A kind of special carboxylic styrene butadiene latex of asbestos friction material and preparation method thereof |
| CN106320068A (en) * | 2016-08-26 | 2017-01-11 | 枣阳市恒泰化工有限公司 | Carboxylic butadiene-styrene latex special for white paperboards |
| CN106366977A (en) * | 2016-08-26 | 2017-02-01 | 枣阳市恒泰化工有限公司 | High-strength carboxylic butadiene-styrene latex special for carpet and preparation method thereof |
| CN106397672A (en) * | 2016-08-26 | 2017-02-15 | 枣阳市恒泰化工有限公司 | Modified styrene-butadiene latex for car carpet molding |
| CN106565188A (en) * | 2016-10-19 | 2017-04-19 | 安徽吉思特智能装备有限公司 | Tensile and weather-resistant aerial cable filler |
| CN107936165A (en) * | 2017-12-12 | 2018-04-20 | 杭州龙驹合成材料有限公司 | A kind of carboxylic styrene butadiene latex and its preparation process |
| CN110183203A (en) * | 2019-05-20 | 2019-08-30 | 黄广展 | A kind of fire prevention calking and preparation method thereof |
-
2013
- 2013-08-23 CN CN201310370817.3A patent/CN104418977A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105294947A (en) * | 2015-10-19 | 2016-02-03 | 杭州蓝诚实业有限公司 | Preparing method for high-performance styrene-butadiene latex for papermaking |
| CN106220787A (en) * | 2016-08-26 | 2016-12-14 | 枣阳市恒泰化工有限公司 | A kind of special carboxylic styrene butadiene latex of cement |
| CN106279535A (en) * | 2016-08-26 | 2017-01-04 | 枣阳市恒泰化工有限公司 | A kind of special carboxylic styrene butadiene latex of asbestos friction material and preparation method thereof |
| CN106320068A (en) * | 2016-08-26 | 2017-01-11 | 枣阳市恒泰化工有限公司 | Carboxylic butadiene-styrene latex special for white paperboards |
| CN106366977A (en) * | 2016-08-26 | 2017-02-01 | 枣阳市恒泰化工有限公司 | High-strength carboxylic butadiene-styrene latex special for carpet and preparation method thereof |
| CN106397672A (en) * | 2016-08-26 | 2017-02-15 | 枣阳市恒泰化工有限公司 | Modified styrene-butadiene latex for car carpet molding |
| CN106565188A (en) * | 2016-10-19 | 2017-04-19 | 安徽吉思特智能装备有限公司 | Tensile and weather-resistant aerial cable filler |
| CN107936165A (en) * | 2017-12-12 | 2018-04-20 | 杭州龙驹合成材料有限公司 | A kind of carboxylic styrene butadiene latex and its preparation process |
| CN110183203A (en) * | 2019-05-20 | 2019-08-30 | 黄广展 | A kind of fire prevention calking and preparation method thereof |
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Application publication date: 20150318 |