CN113105778A - Efficient preparation process of thickening agent - Google Patents
Efficient preparation process of thickening agent Download PDFInfo
- Publication number
- CN113105778A CN113105778A CN202110401564.6A CN202110401564A CN113105778A CN 113105778 A CN113105778 A CN 113105778A CN 202110401564 A CN202110401564 A CN 202110401564A CN 113105778 A CN113105778 A CN 113105778A
- Authority
- CN
- China
- Prior art keywords
- pneumatic
- thickening agent
- container
- preparation process
- parts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002562 thickening agent Substances 0.000 title claims abstract description 51
- 238000002360 preparation method Methods 0.000 title claims abstract description 35
- 238000003756 stirring Methods 0.000 claims abstract description 56
- 239000002994 raw material Substances 0.000 claims abstract description 41
- 238000010438 heat treatment Methods 0.000 claims description 16
- 239000007789 gas Substances 0.000 claims description 15
- 238000011068 loading method Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 239000004970 Chain extender Substances 0.000 claims description 9
- 229910021389 graphene Inorganic materials 0.000 claims description 9
- 239000004615 ingredient Substances 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 9
- 239000011261 inert gas Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 239000002202 Polyethylene glycol Substances 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 3
- 230000001464 adherent effect Effects 0.000 claims description 3
- 239000003963 antioxidant agent Substances 0.000 claims description 3
- 230000003078 antioxidant effect Effects 0.000 claims description 3
- 125000005442 diisocyanate group Chemical group 0.000 claims description 3
- 239000002270 dispersing agent Substances 0.000 claims description 3
- 239000013013 elastic material Substances 0.000 claims description 3
- 239000012188 paraffin wax Substances 0.000 claims description 3
- 229920001223 polyethylene glycol Polymers 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011265 semifinished product Substances 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 238000005273 aeration Methods 0.000 claims 1
- 239000006260 foam Substances 0.000 claims 1
- 230000001174 ascending effect Effects 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 15
- 238000010907 mechanical stirring Methods 0.000 abstract description 4
- 239000000047 product Substances 0.000 description 6
- 238000002788 crimping Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000010494 dissociation reaction Methods 0.000 description 4
- 230000005593 dissociations Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000006254 rheological additive Substances 0.000 description 2
- 238000007665 sagging Methods 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 1
- 239000013466 adhesive and sealant Substances 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 230000009974 thixotropic effect Effects 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/43—Thickening agents
- C09D7/44—Combinations of two or more thickening agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The invention discloses a high-efficiency preparation process of a thickening agent, belonging to the field of thickening agent preparation, wherein in the preparation process, the mechanical stirring in the prior art is replaced by the pneumatic stirring operation, and the stirring effect of fountain type ascending, falling back and ascending of fountain type pneumatic strips in raw materials is realized by the circulating inflating and exhausting operation, so that the overflow of internal air is effectively accelerated under the condition of effectively avoiding the introduction of external air, the preparation efficiency is further improved, meanwhile, when the fountain type pneumatic strips fall back, shrinkage sheets are also tightly attached to the inner wall of a bearing plate, the surface tension of the shrinkage sheets and the inner wall of the bearing plate are greatly changed, the bubbles adsorbed on the surfaces of the two are burst, the problem that the bubbles adsorbed on the inner wall of a container in the prior art are difficult to eliminate is effectively avoided, the overflow of the bubbles in the raw materials is further accelerated, and the air content in a finished product of the thickening agent is effectively reduced, the quality of the finished product of the thickening agent is better.
Description
Technical Field
The invention relates to the field of thickener preparation, and more particularly relates to an efficient preparation process of a thickener.
Background
The thickening agent is a rheological additive, can thicken the coating, prevent sagging phenomenon in construction, and endow the coating with excellent mechanical property and storage stability. The additive is a very important class of additives for aqueous coatings with low viscosity. There are aqueous and oily components. Especially aqueous phase thickeners are more commonly used. The thickener is a rheological additive, can adjust rheological property after being added, thickens the adhesive and the sealant, prevents filler from precipitating, endows good physical and mechanical stability, controls the rheological property in the construction process (no sagging, no dripping and no liquid flying during sizing), and can also play a role in reducing cost. The adhesive is particularly important for the manufacture, storage and use of adhesives and sealants, and can improve and adjust viscosity and obtain properties of stability, anti-settling property, seepage reduction, anti-flowing property, thixotropic property and the like.
However, in the preparation process of the thickener, certain bubbles are generated inside the thickener, which affects the use effect of the thickener in the paint, and in the prior art, the bubbles are generally taken out in a heating and stirring manner, but in the heating process, the dissociated bubbles are generally easily adsorbed on the inner wall of the container and are difficult to overflow in time, and in the stirring process, external air is easily introduced, so that the removal effect of the air in the thickener is poor.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide an efficient preparation process of a thickening agent, in the preparation process, the mechanical stirring in the prior art is replaced by the pneumatic stirring operation, the stirring effect of the fountain type pneumatic strips in the raw materials in a rising-falling-rising manner is realized by the circulating inflation and air extraction operations, the overflow of the internal air is effectively accelerated under the condition of effectively avoiding the introduction of the external air, the preparation efficiency is further improved, meanwhile, when the fountain type pneumatic strips fall back, the shrinking sheets are also tightly attached to the inner wall of the bearing plate, the surface tension of the shrinking sheets and the inner wall of the bearing plate is greatly changed, the bubbles adsorbed on the surfaces of the two are burst, the problem that the bubbles adsorbed on the inner wall of a container in the prior art are difficult to eliminate is effectively avoided, the overflow of the bubbles in the raw materials is further accelerated, the air content in the finished thickening agent is effectively reduced, the quality of the finished product of the thickening agent is better.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
An efficient preparation process of a thickening agent comprises the following ingredients in parts by mass: 10-15 parts of polyvinyl alcohol resin, 10-15 parts of diisocyanate, 10-15 parts of paraffin, 3-5 parts of antioxidant, 5-10 parts of dispersant, 5-10 parts of polyethylene glycol, 1-2 parts of chain extender and 2-3 parts of graphene powder, wherein the preparation process comprises the following steps:
s1, firstly, preparing and weighing raw materials according to the ingredients in parts by mass;
s2, removing the chain extender and the graphene powder, putting other ingredients into a container, and carrying out pneumatic stirring in a heating environment to obtain a semi-finished thickener, wherein the pneumatic stirring specifically comprises the following operations:
s21, rapidly inflating air from the bottom of the container to enable the fountain type pneumatic strips to be rapidly jacked upwards;
s22, rapidly pumping the gas to rapidly drop the fountain type pneumatic strips, and repeating the operations of gas inflation and gas pumping to ensure that the fountain type pneumatic strips are in the process of continuous circulation and repeated rising, drop and rising, thereby realizing pneumatic stirring;
and S3, adding the chain extender and the graphene powder into the semi-finished product of the thickening agent, and carrying out pneumatic stirring for 1.5-2h again to obtain the thickening agent.
Further, the heating temperature of the heating environment in the step S2 is not lower than 80 ℃, and dissociation and overflow of air in the raw materials are accelerated under the heating condition, so that the preparation efficiency is accelerated, and the total stirring time is shortened.
Further, the gas filled in the step S21 is high-temperature inert gas, the temperature of the inert gas is not lower than 100 ℃, so that a certain temperature difference exists between the surfaces of the raised fountain type pneumatic strips and the surfaces of the raised shrink sheets compared with the raw materials, thereby effectively reducing the amount of the bubbles adhered to the surfaces of the raised fountain type pneumatic strips and the raised shrink sheets after the bubbles are dissociated, and enabling the bubbles to better and more quickly overflow.
Further, the interval between the step S21 and the step S22 is not more than 10S, and the duration of the pneumatic stirring in the step S2 is not less than 1.5 h.
Further, when the pneumatic stirring in the step S2 is performed, every 5-7min is performed, the container is subjected to negative pressure adsorption from the lower side, so that the shrivelled sheet and the fountain type pneumatic strips can be tightly shrunk, bubbles adhered to the surfaces of the shrivelled sheet and the fountain type pneumatic strips can be thoroughly crushed, overflow of the bubbles is effectively accelerated, the bubble-gathering layers on the fountain type pneumatic strips and the side wall of the container are in a dry-shrivelled adherent state, and during the pneumatic stirring, the upper side of the container is always in a negative pressure state, so that upward overflow of the bubbles in the raw material during effective auxiliary stirring is realized, the content of air in the obtained thickening agent is remarkably reduced, and compared with the prior art, the quality and the using effect of the thickening agent are remarkably improved.
Further, the equal fixedly connected with blow vent in both ends about the container, the inside fixedly connected with loading board of container, it is a plurality of fountain formula pneumatic strip fixed connection is in the loading board upper end, the inner wall fixedly connected with a plurality of evenly distributed's of container position above the loading board blunt nose awl, blunt nose awl outer end is equipped with the shrink piece, both ends respectively with container inner wall and loading board upper end fixed connection about the shrink piece.
Furthermore, the part of the bearing plate, which is positioned right below the fountain type pneumatic strips and the part below the shriveling sheets, are of a multi-through hole structure, so that when the pneumatic fountain type pneumatic container is inflated, gas enters the space between the fountain type pneumatic strips and the inner walls of the container, the fountain type pneumatic strips are lifted upwards, and when the pneumatic fountain type pneumatic container is circularly lifted like a fountain, the pneumatic fountain type pneumatic container falls back and rises, the raw materials are stirred, the overflow of air is accelerated, and the introduction of external air is effectively avoided; meanwhile, the surface of the shrinking sheet is bulged and is in a smooth state, when air is pumped outwards, the surface of the shrinking sheet is recovered to be attached to the surface of the blunt convex cone, so that the surface tension of the shrinking sheet is changed greatly, bubbles adhered to the surface of the shrinking sheet are burst, the overflow of the bubbles in the raw materials is accelerated remarkably, and the quality of the obtained thickener finished product is better.
Furthermore, the shrinkage sheet is made of elastic material and is closely attached to the outer surface of the blunt convex cone.
Further, pneumatic strip of fountain formula includes with pneumatic layer of loading board fixed connection and the ascending knob of fixed connection at pneumatic layer upper end, pneumatic layer is made for flexible seal material, makes it when inflating gas, and its height that rises is limited, effectively avoids its upper end to surpass the raw materials upper liquid level, leads to introducing the condition of outside air to take place, ascending knob is made for light material, makes when aerifing, goes upward knob gravity less difficult to influence its fall back.
Further, pneumatic layer end fixedly connected with a plurality of evenly distributed stir the tablet, effectively improve the stirring effect of fountain formula pneumatic strip to the raw materials, stir the most advanced downward of tablet, and stir the tablet stereoplasm and reduce from root to most advanced gradually, make fountain formula pneumatic strip when falling back, the less part of most advanced hardness can take place the change of certain shape under the resistance effect of raw materials, when making fountain formula pneumatic strip fall back fast, stir the tablet and be difficult for producing great impact because of with the raw materials, effectively avoid the raw materials to take place the condition that splashes.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) in the preparation process of the scheme, the mechanical stirring in the prior art is replaced by the pneumatic stirring operation, the stirring effect of ascending, falling back and ascending of the fountain type pneumatic strips in the raw materials is realized by the circulating inflating and air extracting operations, the overflowing of the internal air is effectively accelerated under the condition of effectively avoiding the introduction of the external air, the preparation efficiency is further improved, and meanwhile, when the fountain type pneumatic strips fall back, the shrinkage sheets can be tightly attached to the inner wall of the bearing plate, the surface tension of the shrinkage sheets and the surface tension of the bearing plate are greatly changed at the moment, so that the bubbles adsorbed on the surfaces of the shrinkage sheets and the bearing plate are burst, the condition that the bubbles adsorbed on the inner wall of the container in the prior art are difficult to eliminate is effectively avoided, the overflowing of the bubbles in the raw materials is further accelerated, the air content in the finished product of the thickening agent is.
(2) The heating temperature of the heating environment in the step S2 is not lower than 80 ℃, and dissociation and overflow of air in the raw materials are accelerated under the heating condition, so that the preparation efficiency is accelerated, and the total stirring time is shortened.
(3) The gas filled in the step S21 is high-temperature inert gas, the temperature of the inert gas is not lower than 100 ℃, so that the temperature difference exists between the surfaces of the raised fountain type pneumatic strips and the raised shrivelled sheets compared with the temperature difference between the raw materials, thereby effectively reducing the amount of the dissociated bubbles adhered to the surfaces of the raised fountain type pneumatic strips and the raised shrivelled sheets, and enabling the bubbles to better and more quickly overflow.
(4) When the pneumatic stirring in the step S2 is performed, every 5-7min, the container is subjected to negative pressure adsorption from below, so that the shrivelled sheet and the fountain type pneumatic strips can be tightly shrunk, bubbles adhered to the surfaces of the shrivelled sheet and the fountain type pneumatic strips can be thoroughly crushed, overflow of the bubbles is effectively accelerated, the bubble-gathering layers on the fountain type pneumatic strips and the side wall of the container are in a shrivelled wall-sticking state, and during the pneumatic stirring, the upper side of the container is always in a negative pressure state, so that upward overflow of the bubbles in the raw material during effective auxiliary stirring is realized, the content of air in the obtained thickening agent is remarkably reduced, and compared with the prior art, the quality and the using effect of the thickening agent are remarkably improved.
(5) The equal fixedly connected with blow vent in both ends about the container, the inside fixedly connected with loading board of container, a plurality of fountain formula pneumatic strip fixed connection are in the loading board upper end, and the container is located the blunt nosed awl of a plurality of evenly distributed of inner wall fixedly connected with of loading board top, and blunt nosed awl outer end is equipped with the shrink piece, and the upper and lower both ends of shrink piece respectively with container inner wall and loading board upper end fixed connection.
(6) The part of the bearing plate, which is positioned right below the fountain type pneumatic strips and the part below the shriveling sheets are both of a multi-through hole structure, so that when the pneumatic fountain type container is inflated, gas enters the space between the fountain type pneumatic strips and the inner walls of the container, the fountain type pneumatic strips are lifted upwards, and when the pneumatic fountain type container is circularly lifted like a fountain, falls back and rises, the pneumatic fountain type container plays a role in stirring raw materials, accelerates the overflow of air and effectively avoids the introduction of external air; meanwhile, the surface of the shrinking sheet is bulged and is in a smooth state, when air is pumped outwards, the surface of the shrinking sheet is recovered to be attached to the surface of the blunt convex cone, so that the surface tension of the shrinking sheet is changed greatly, bubbles adhered to the surface of the shrinking sheet are burst, the overflow of the bubbles in the raw materials is accelerated remarkably, and the quality of the obtained thickener finished product is better.
(7) The fountain type pneumatic strip comprises a bearing plate fixedly connected pneumatic layer and an ascending jacking ball fixedly connected to the upper end of the pneumatic layer, the pneumatic layer is made of flexible sealing materials, the ascending height of the pneumatic layer is limited when the pneumatic layer is inflated, the situation that external air is introduced due to the fact that the upper end of the pneumatic layer exceeds the upper liquid level of raw materials is effectively avoided, the ascending jacking ball is made of light materials, and the ascending jacking ball is small in gravity and not prone to influence the falling back of the ascending jacking ball when the pneumatic layer is inflated.
(8) Pneumatic layer outer end fixedly connected with a plurality of evenly distributed dial the tablet, effectively improve the stirring effect of fountain formula pneumatic strip to the raw materials, dial the most advanced downward of tablet, and dial the tablet stereoplasm and reduce from root to most advanced gradually, make fountain formula pneumatic strip when falling back, the less part of most advanced hardness, the change of certain shape can take place under the resistance effect of raw materials, when making fountain formula pneumatic strip fall back fast, dial the difficult great impact that produces because of with the raw materials of tablet, effectively avoid the raw materials to take place the condition that splashes.
Drawings
FIG. 1 is a principal flow diagram of the present invention;
FIG. 2 is a schematic view of the construction of a fountain-style pneumatic wand within a container when not inflated;
FIG. 3 is a schematic view of the structure at A in FIG. 2;
FIG. 4 is a schematic view of the construction of a fountain-style pneumatic wand within a container when inflated;
FIG. 5 is a schematic diagram of the variation of the configuration of the crimped sheets on the inner wall of the container during pneumatic stirring of the present invention.
The reference numbers in the figures illustrate:
the device comprises a bearing plate 1, a fountain type pneumatic strip 2, an ascending jacking ball 21, a pneumatic layer 22, a blunt nose convex cone 3, a shrinking sheet 4 and a material stirring sheet 5.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1, a process for efficiently preparing a thickener comprises the following ingredients in parts by mass: 12 parts of polyvinyl alcohol resin, 13 parts of diisocyanate, 11 parts of paraffin, 4 parts of antioxidant, 8 parts of dispersant, 7 parts of polyethylene glycol, 1.5 parts of chain extender and 2.5 parts of graphene powder, wherein the preparation process comprises the following steps:
s1, firstly, preparing and weighing raw materials according to the ingredients in parts by mass;
s2, removing the chain extender and the graphene powder, putting other ingredients into a container, and carrying out pneumatic stirring in a heating environment to obtain a semi-finished thickener, wherein the pneumatic stirring specifically comprises the following operations:
s21, rapidly inflating air from the bottom of the container to rapidly jack the fountain type pneumatic strips 2 upwards;
s22, rapidly pumping the gas to rapidly drop the fountain type pneumatic strips 2, and repeating the operations of gas inflation and gas pumping to ensure that the fountain type pneumatic strips are in the process of continuous circulation and repeated rising, drop-back and rising, thereby realizing pneumatic stirring;
and S3, adding the chain extender and the graphene powder into the semi-finished product of the thickening agent, and carrying out pneumatic stirring for 1.5-2h again to obtain the thickening agent.
The dosage of the raw materials is one of the embodiments, and the dosage can be increased or decreased within the dosage range of each formula according to needs during preparation.
The heating temperature of the heating environment in the step S2 is not lower than 80 ℃, the dissociation overflow of air in the raw materials is accelerated under the heating condition, the preparation efficiency is further accelerated, and the total stirring time is shortened, the gas filled in the step S21 is high-temperature inert gas, the temperature of the inert gas is not lower than 100 ℃, so that the temperature difference between the surface of the raised fountain type pneumatic strip 2 and the surface of the bulged shrink sheet 4 is certain compared with that between the raw materials, the amount of the bubbles adhered to the surfaces of the raised fountain type pneumatic strip 2 and the raised shrink sheet 4 after dissociation is effectively reduced, the bubbles can better and faster overflow, the interval between the step S21 and the step S22 is not more than 10S, and the duration time of the pneumatic stirring in the step S2 is not lower than 1.
When the pneumatic stirring in the step S2 is performed, every 5-7min, the container is subjected to negative pressure adsorption from below, so that the shrivelled pieces 4 and the fountain type pneumatic strips 2 can be tightly shrunk, bubbles adhered to the surfaces of the shrivelled pieces and the fountain type pneumatic strips can be thoroughly crushed, overflow of the bubbles is effectively accelerated, the bubble-gathering layers on the fountain type pneumatic strips 2 and the side walls of the container are in a dry-shrivelled adherent state, and during the pneumatic stirring, the upper side of the container is always in a negative pressure state, so that upward overflow of the bubbles in the raw materials during effective auxiliary stirring is realized, the content of air in the obtained thickening agent is remarkably reduced, and compared with the prior art, the quality and the using effect of the thickening agent are remarkably improved.
Referring to fig. 2-3, the container has vent holes fixedly connected to both upper and lower ends, a supporting plate 1 is fixedly connected to the interior of the container, a plurality of fountain type pneumatic strips 2 are fixedly connected to the upper end of the supporting plate 1, a plurality of blunt nosed cones 3 are fixedly connected to the inner wall of the container above the supporting plate 1, the outer ends of the blunt nosed cones 3 are provided with crimping pieces 4, the crimping pieces 4 are made of elastic material and closely attached to the outer surfaces of the blunt nosed cones 3, the upper and lower ends of the crimping pieces 4 are fixedly connected to the inner wall of the container and the upper end of the supporting plate 1, the portions of the supporting plate 1 under the fountain type pneumatic strips 2 and the portions under the crimping pieces 4 are all multi-pass structures, so that when the container is inflated, gas enters the spaces between the fountain type pneumatic strips 2 and the crimping pieces 4 and the inner wall of the container, the fountain type pneumatic strips 2 are lifted upwards, and when the container is circularly lifted up-fallen, the raw materials are stirred, so that the overflow of air is accelerated, and the introduction of external air is effectively avoided; referring to fig. 5, at the same time, the surface of the shrinkage sheet 4 is bulged and smooth, and when air is pumped out, the surface of the shrinkage sheet is recovered and attached to the surface of the blunt-end convex cone 3, so that the surface tension of the shrinkage sheet 4 is changed greatly, bubbles adhered to the surface of the shrinkage sheet are burst, the overflow of bubbles in the raw material is accelerated remarkably, and the quality of the obtained thickener finished product is better.
Referring to fig. 4, the fountain type pneumatic strip 2 comprises a pneumatic layer 22 fixedly connected with the bearing plate 1 and an ascending top ball 21 fixedly connected with the upper end of the pneumatic layer 22, the pneumatic layer 22 is made of flexible sealing material, so that the ascending height of the pneumatic layer is limited when the pneumatic layer is inflated, the situation that the upper end of the pneumatic layer exceeds the upper liquid level of the raw material to cause the introduction of outside air is effectively avoided, the ascending top ball 21 is made of light material, the ascending top ball 21 has smaller gravity and is not easy to influence the falling back of the ascending top ball when the pneumatic layer is inflated, a plurality of uniformly distributed stirring sheets 5 are fixedly connected with the outer end of the pneumatic layer 22, the stirring effect of the fountain type pneumatic strip 2 on the raw material is effectively improved, the tips of the stirring sheets 5 face downwards, the hardness of the stirring sheets 5 is gradually reduced from the root to the tips, and when the fountain type pneumatic strip 2 falls back, the part with smaller hardness of the tips can change in certain, when the fountain type pneumatic strips 2 fall back quickly, the stirring sheet 5 is not easy to generate larger impact with the raw materials, and the splashing condition of the raw materials is effectively avoided.
In the preparation process, the operation of pneumatic stirring replaces the mechanical stirring in the prior art, and the stirring effect of fountain type ascending-falling-ascending of the fountain type pneumatic strips 2 in the raw materials is realized through the operation of circular inflation and air exhaust, so that the overflowing of the internal air is effectively accelerated under the condition of effectively avoiding the introduction of the external air, the preparation efficiency is further improved, meanwhile, when the fountain type pneumatic strips 2 fall back, the shrinkage sheets 4 are also tightly attached to the inner wall of the bearing plate 1, the surface tension of the shrinkage sheets and the bearing plate is greatly changed, the bubbles adsorbed on the surfaces of the shrinkage sheets and the bearing plate are burst, the problem that the bubbles adsorbed on the inner wall of a container in the prior art are difficult to eliminate is effectively avoided, the overflowing of the bubbles in the raw materials is further accelerated, the air content in a thickener finished product is effectively reduced, and the quality of the obtained thickener finished.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (10)
1. An efficient preparation process of a thickening agent comprises the following ingredients in parts by mass: 10-15 parts of polyvinyl alcohol resin, 10-15 parts of diisocyanate, 10-15 parts of paraffin, 3-5 parts of antioxidant, 5-10 parts of dispersant, 5-10 parts of polyethylene glycol, 1-2 parts of chain extender and 2-3 parts of graphene powder, and is characterized in that: the preparation process comprises the following steps:
s1, firstly, preparing and weighing raw materials according to the ingredients in parts by mass;
s2, removing the chain extender and the graphene powder, putting other ingredients into a container, and carrying out pneumatic stirring in a heating environment to obtain a semi-finished thickener, wherein the pneumatic stirring specifically comprises the following operations:
s21, rapidly inflating air from the bottom of the container to rapidly jack the fountain type pneumatic strip (2) upwards;
s22, quickly pumping out the aerated gas to quickly drop the fountain type pneumatic strip (2), and repeating the operations of aeration and air pumping to make the fountain type pneumatic strip in the process of continuous circulation and repeated rising-dropping-rising to realize pneumatic stirring;
and S3, adding the chain extender and the graphene powder into the semi-finished product of the thickening agent, and carrying out pneumatic stirring for 1.5-2h again to obtain the thickening agent.
2. The efficient preparation process of the thickening agent according to claim 1, wherein the efficient preparation process comprises the following steps: the heating temperature of the heating environment in the step S2 is not lower than 80 ℃.
3. The efficient preparation process of the thickening agent according to claim 1, wherein the efficient preparation process comprises the following steps: the gas filled in the step S21 is high-temperature inert gas, and the temperature of the inert gas is not lower than 100 ℃.
4. The efficient preparation process of the thickening agent according to claim 1, wherein the efficient preparation process comprises the following steps: the interval between the step S21 and the step S22 is not more than 10S, and the duration of the pneumatic stirring in the step S2 is not less than 1.5 h.
5. The efficient preparation process of the thickening agent according to claim 1, wherein the efficient preparation process comprises the following steps: when the pneumatic stirring in the step S2 is carried out, the container is subjected to negative pressure adsorption from the lower part every 5-7min, so that the fountain type pneumatic strips (2) and the foam gathering layers on the side walls of the container are in a shrivelled adherent state, and the upper part of the container is always in a negative pressure state during the pneumatic stirring.
6. The efficient preparation process of the thickening agent according to claim 1, wherein the efficient preparation process comprises the following steps: the equal fixedly connected with blow vent in both ends about the container, the inside fixedly connected with loading board (1) of container, it is a plurality of fountain formula pneumatic strip (2) fixed connection is in loading board (1) upper end, the inner wall fixedly connected with a plurality of evenly distributed's of container position in loading board (1) top blunt nose awl (3), blunt nose awl (3) outer end is equipped with crimple piece (4), both ends respectively with container inner wall and loading board (1) upper end fixed connection about crimple piece (4).
7. The process for preparing a thickening agent with high efficiency according to claim 6, wherein the process comprises the following steps: the part of the bearing plate (1) right below the fountain type pneumatic strip (2) and the part below the shrinking sheet (4) are all of a multi-way through hole structure.
8. The process for preparing a thickening agent with high efficiency according to claim 6, wherein the process comprises the following steps: the shrinkage sheet (4) is made of elastic material, and the shrinkage sheet (4) is closely attached to the outer surface of the blunt convex cone (3).
9. The process for preparing a thickening agent with high efficiency according to claim 6, wherein the process comprises the following steps: pneumatic strip of fountain formula (2) including with loading board (1) fixed connection pneumatic layer (22) and fixed connection in pneumatic layer (22) upper end go upward knob (21), pneumatic layer (22) are flexible seal material and make, upward knob (21) are made for light material.
10. The process for preparing a thickening agent with high efficiency according to claim 9, wherein the process comprises the following steps: pneumatic layer (22) outer end fixedly connected with a plurality of evenly distributed stir tablet (5), stir tablet (5) pointed end down, and stir tablet (5) stereoplasm and reduce from root to pointed end gradually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110401564.6A CN113105778A (en) | 2021-04-14 | 2021-04-14 | Efficient preparation process of thickening agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110401564.6A CN113105778A (en) | 2021-04-14 | 2021-04-14 | Efficient preparation process of thickening agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113105778A true CN113105778A (en) | 2021-07-13 |
Family
ID=76717211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110401564.6A Pending CN113105778A (en) | 2021-04-14 | 2021-04-14 | Efficient preparation process of thickening agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113105778A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114789021A (en) * | 2022-05-07 | 2022-07-26 | 科思美碧优蒂化妆品(南通)有限公司 | Natural plant stoste circulation compounding equipment |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106622829A (en) * | 2016-12-09 | 2017-05-10 | 安徽省建筑工程质量监督检测站 | Method for forming waterproof coating in negative pressure environment |
| CN106847426A (en) * | 2016-12-30 | 2017-06-13 | 山东迪赛机电有限公司 | A kind of controllable balanced stream film drop resistance negative pressure defoaming device |
| CN206549233U (en) * | 2017-03-17 | 2017-10-13 | 东莞市文君实业有限公司 | Glue defoaming device is used in the paper production of drop sticker |
| CN108296134A (en) * | 2018-01-27 | 2018-07-20 | 武汉华星光电半导体显示技术有限公司 | Defoaming device and bubble removing method |
| CN109260769A (en) * | 2018-12-04 | 2019-01-25 | 攀枝花荣鑫油漆有限责任公司 | A kind of paint defoaming device |
| CN110743193A (en) * | 2019-10-31 | 2020-02-04 | 南通科鑫超临界设备有限公司 | Ultrasonic-simulated high-speed separation supercritical extraction process |
| CN110903331A (en) * | 2019-11-29 | 2020-03-24 | 南通睿智超临界科技发展有限公司 | Method for separating fatty alcohol from alkyl glycoside crude product |
| CN111423098A (en) * | 2020-05-15 | 2020-07-17 | 南通市国光光学玻璃有限公司 | Method for manufacturing waving type optical glass with low stripe bubble rate |
| CN111905517A (en) * | 2020-06-22 | 2020-11-10 | 王海燕 | From high-efficient absorbent denitration desulfurizing tower of formula of turning over waste gas |
| CN112123610A (en) * | 2020-08-04 | 2020-12-25 | 南通瑞智新材料科技有限公司 | Internal-moving type automatic material-supplementing plastic stirring method |
| CN112223684A (en) * | 2020-09-25 | 2021-01-15 | 中山市泽一照明科技有限公司 | Environment-friendly plastic injection mold |
| CN112340823A (en) * | 2020-10-27 | 2021-02-09 | 北京敦益科技有限公司 | Wastewater treatment device and treatment method thereof |
| CN112452181A (en) * | 2020-10-18 | 2021-03-09 | 张春雨 | Preparation process of high-lubricating oil agent for spinning |
| CN112553637A (en) * | 2020-12-08 | 2021-03-26 | 孙一书 | Environment-friendly degreasing agent and preparation method thereof |
| CN112877031A (en) * | 2021-01-25 | 2021-06-01 | 义乌壹统胶科技有限公司 | Preparation process of internal-sinking turnover type plate powdery adhesive |
| CN113183345A (en) * | 2021-04-15 | 2021-07-30 | 黄婉霞 | Internal respiration type high-uniformity polyethylene film material film blowing process |
| CN113772991A (en) * | 2021-09-24 | 2021-12-10 | 长沙益友建筑科技有限公司 | Preparation method of machine-made sand concrete regulator |
-
2021
- 2021-04-14 CN CN202110401564.6A patent/CN113105778A/en active Pending
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106622829A (en) * | 2016-12-09 | 2017-05-10 | 安徽省建筑工程质量监督检测站 | Method for forming waterproof coating in negative pressure environment |
| CN106847426A (en) * | 2016-12-30 | 2017-06-13 | 山东迪赛机电有限公司 | A kind of controllable balanced stream film drop resistance negative pressure defoaming device |
| CN206549233U (en) * | 2017-03-17 | 2017-10-13 | 东莞市文君实业有限公司 | Glue defoaming device is used in the paper production of drop sticker |
| CN108296134A (en) * | 2018-01-27 | 2018-07-20 | 武汉华星光电半导体显示技术有限公司 | Defoaming device and bubble removing method |
| CN109260769A (en) * | 2018-12-04 | 2019-01-25 | 攀枝花荣鑫油漆有限责任公司 | A kind of paint defoaming device |
| CN110743193A (en) * | 2019-10-31 | 2020-02-04 | 南通科鑫超临界设备有限公司 | Ultrasonic-simulated high-speed separation supercritical extraction process |
| CN110903331A (en) * | 2019-11-29 | 2020-03-24 | 南通睿智超临界科技发展有限公司 | Method for separating fatty alcohol from alkyl glycoside crude product |
| CN111423098A (en) * | 2020-05-15 | 2020-07-17 | 南通市国光光学玻璃有限公司 | Method for manufacturing waving type optical glass with low stripe bubble rate |
| CN111905517A (en) * | 2020-06-22 | 2020-11-10 | 王海燕 | From high-efficient absorbent denitration desulfurizing tower of formula of turning over waste gas |
| CN112123610A (en) * | 2020-08-04 | 2020-12-25 | 南通瑞智新材料科技有限公司 | Internal-moving type automatic material-supplementing plastic stirring method |
| CN112223684A (en) * | 2020-09-25 | 2021-01-15 | 中山市泽一照明科技有限公司 | Environment-friendly plastic injection mold |
| CN112452181A (en) * | 2020-10-18 | 2021-03-09 | 张春雨 | Preparation process of high-lubricating oil agent for spinning |
| CN112340823A (en) * | 2020-10-27 | 2021-02-09 | 北京敦益科技有限公司 | Wastewater treatment device and treatment method thereof |
| CN112553637A (en) * | 2020-12-08 | 2021-03-26 | 孙一书 | Environment-friendly degreasing agent and preparation method thereof |
| CN112877031A (en) * | 2021-01-25 | 2021-06-01 | 义乌壹统胶科技有限公司 | Preparation process of internal-sinking turnover type plate powdery adhesive |
| CN113183345A (en) * | 2021-04-15 | 2021-07-30 | 黄婉霞 | Internal respiration type high-uniformity polyethylene film material film blowing process |
| CN113772991A (en) * | 2021-09-24 | 2021-12-10 | 长沙益友建筑科技有限公司 | Preparation method of machine-made sand concrete regulator |
Non-Patent Citations (1)
| Title |
|---|
| 蔡进勇等: ""新型水性聚氨酯缔合型增稠剂的制备与表征"", 《聚氨酯工业》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114789021A (en) * | 2022-05-07 | 2022-07-26 | 科思美碧优蒂化妆品(南通)有限公司 | Natural plant stoste circulation compounding equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113105778A (en) | Efficient preparation process of thickening agent | |
| CN205649892U (en) | Vacuum defoaming machine | |
| CN110564361A (en) | Thixotropic two-component silicone rubber foam sealant, preparation method and application thereof | |
| CN211487665U (en) | Reaction kettle with automatic pressure relief function for chemical production | |
| CN207805449U (en) | A kind of dispersal device being used to prepare silicone adhesive | |
| CN201345782Y (en) | Backing plate | |
| CN207074145U (en) | Component gasbag-type mechanical load test machine | |
| CN116207059B (en) | Local gold-plated ceramic packaging shell and production device for packaging shell | |
| CN208774242U (en) | A kind of big stroke electrode print device of solar battery sheet | |
| CN106602153A (en) | Electrolyte injection method | |
| CN207417434U (en) | A kind of chemical conversion pallet suitable for rectangular cell | |
| CN104390135B (en) | The negative pressure of large-size spherical tank adds inert gas replacement | |
| CN206961962U (en) | A kind of vacuum packaging machine with recovery function | |
| CN115312993A (en) | Acid filling pot for formation of storage battery and formation method of storage battery | |
| CN212331926U (en) | Vulcanizing machine central mechanism | |
| CN213137486U (en) | Novel rubber seal ring die | |
| CN209967752U (en) | High-efficiency energy-saving vacuum defoaming machine | |
| CN206577968U (en) | A kind of high frequency transformer immersion varnish machine | |
| CN208460888U (en) | It is a kind of to puncture air exhaust sealing device for battery core encapsulation | |
| CN112940155A (en) | Preparation process of petroleum resin with high reaction rate and low softening point | |
| CN214296562U (en) | Liquid filling machine is used in sealed production of gluing of silicone | |
| CN104867701A (en) | Manufacturing method of supercapacitor | |
| CN214635631U (en) | Structure for uniformly stirring glue | |
| CN220640711U (en) | Ethanol solvent storage device for extracting CBD from industrial hemp | |
| CN214261755U (en) | Loading attachment of powdered ink high-speed mixer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210713 |