CN116284677B - Polyurethane material and preparation method thereof - Google Patents
Polyurethane material and preparation method thereof Download PDFInfo
- Publication number
- CN116284677B CN116284677B CN202211731686.2A CN202211731686A CN116284677B CN 116284677 B CN116284677 B CN 116284677B CN 202211731686 A CN202211731686 A CN 202211731686A CN 116284677 B CN116284677 B CN 116284677B
- Authority
- CN
- China
- Prior art keywords
- plate
- crushing
- side wall
- stirrer
- plates
- 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.)
- Active
Links
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 31
- 239000004814 polyurethane Substances 0.000 title claims abstract description 31
- 239000000463 material Substances 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 230000000694 effects Effects 0.000 claims abstract description 31
- 239000000203 mixture Substances 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 25
- 230000008569 process Effects 0.000 claims abstract description 22
- 238000003756 stirring Methods 0.000 claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims abstract description 18
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 10
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 claims abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 8
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 8
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 8
- 239000005011 phenolic resin Substances 0.000 claims abstract description 8
- 229920001451 polypropylene glycol Polymers 0.000 claims abstract description 8
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229920001971 elastomer Polymers 0.000 claims description 22
- 238000005844 autocatalytic reaction Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims 1
- 238000002156 mixing Methods 0.000 abstract description 7
- 238000005054 agglomeration Methods 0.000 description 4
- 230000002776 aggregation Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229920000891 common polymer Polymers 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
- C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/808—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with stirrers driven from the bottom of the receptacle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
-
- 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
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/83—Mixing plants specially adapted for mixing in combination with disintegrating operations
- B01F33/8305—Devices with one shaft, provided with mixing and milling tools, e.g. using balls or rollers as working tools; Devices with two or more tools rotating about the same axis
-
- 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
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/836—Mixing plants; Combinations of mixers combining mixing with other treatments
- B01F33/8361—Mixing plants; Combinations of mixers combining mixing with other treatments with disintegrating
- B01F33/83612—Mixing plants; Combinations of mixers combining mixing with other treatments with disintegrating by crushing or breaking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/002—Methods
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4825—Polyethers containing two hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
- C08G18/7621—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring being toluene diisocyanate including isomer mixtures
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/042—Graphene or derivatives, e.g. graphene oxides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention belongs to the technical field of polyurethane, in particular to a polyurethane material and a preparation method thereof, and the polyurethane material comprises the following raw materials in parts by weight: 20-30 parts of diphenylmethane diisocyanate; toluene diisocyanate 20-25; 15-20 parts of polypropylene glycol; 12-15 parts of phenol resin; 5-8 parts of calcium carbonate; 6-9 parts of graphene; 10-12 parts of cross-linking agent; s1: diphenylmethane diisocyanate, toluene diisocyanate, polypropylene glycol, phenol resin, calcium carbonate, graphene and a certain proportion are introduced into a stirrer in batches for mixing and stirring, a cross-linking agent is injected into the stirrer in batches for reaction in the stirring process, and a mixture is obtained after stirring; through utilizing the opposite direction rotation at both ends about the fixed pivot, can drive a pair of breaker plate and collide each other, break the coagulum of caking in the mixture, reduce the emergence of caking condition, and then improve the mixing effect, reduce the emergence of extravagant condition.
Description
Technical Field
The invention belongs to the technical field of polyurethane, and in particular relates to a polyurethane material and a preparation method thereof.
Background
Polyurethane is a common polymer in modern society, has good stability and chemical resistance, and has the relation in scientific research and production and construction.
In the prior art, polyurethane has wide application prospect in industries such as building, automobile, aviation industry, heat preservation and insulation, and the like, and the self-composed polyurethane soft foam plastic has lighter weight and can be used as a modularization for rapid construction.
In use, various raw materials of polyurethane often need stirring operation in production, in the stirring process, the mutual adhesion between raw materials can appear the phenomenon of caking to lead to the mixed effect relatively poor, thereby the condensate recovery operation of caking is comparatively loaded down with trivial details, can cause the wasting of resources, therefore, proposes a polyurethane material and preparation method thereof to the above-mentioned problem.
Disclosure of Invention
In order to overcome the defects in the prior art, various raw materials of polyurethane often need stirring operation in production, and in the stirring process, the raw materials are mutually bonded to generate a caking phenomenon, so that the mixing effect is poor, and the caking condensate recovery operation is complicated, so that the resource waste is caused.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to a polyurethane material and a preparation method thereof, wherein the polyurethane material is prepared from the following raw materials in parts by weight:
Diphenylmethane diisocyanate 20-30
Toluene diisocyanate 20-25
Polypropylene glycol 15-20
Phenol resin 12-15
5-8 Parts of calcium carbonate
Graphene 6-9
10-12 Parts of cross-linking agent.
The preparation method of the polyurethane material is suitable for the polyurethane material, and comprises the following steps:
s1: diphenylmethane diisocyanate, toluene diisocyanate, polypropylene glycol, phenol resin, calcium carbonate, graphene and a certain proportion are introduced into a stirrer in batches for mixing and stirring, a cross-linking agent is injected into the stirrer in batches for reaction in the stirring process, and a mixture is obtained after stirring;
s2: introducing the mixture into a reaction kettle for heating reaction at 100-170 ℃ for 50 seconds, and preparing a polyurethane material by the thermal autocatalysis effect in exothermic reaction;
s3: pouring the cooled polyurethane material out of the reaction kettle, and carrying out filling and injection molding processing according to the requirements of use scenes.
Preferably, the stirrer in S1 includes a stirrer; the side walls on two sides of the stirrer are respectively and rotatably connected with a base; the stirrer is internally and rotatably connected with a fixed rotating shaft; the fixed rotating shaft is arranged in two sections, and the rotating directions of the two ends are opposite; the side walls of the two sections of the fixed rotating shafts are fixedly connected with connecting plates; the corresponding side walls of the pair of connecting plates are provided with crushing plates; during operation, the step utilizes the opposite directions of the upper end and the lower end of the fixed rotating shaft to rotate, and can drive the pair of crushing plates to collide with each other so as to crush the agglomerated condensate in the mixture, thereby reducing the occurrence of the agglomeration condition, further improving the mixing effect and reducing the occurrence of the waste condition.
Preferably, the side wall of the crushing plate is provided with a plurality of groups of first sliding grooves; a limiting column is connected inside the first sliding groove in a sliding manner; the first sliding groove and the first sliding groove are connected through an elastic band; a connecting rope is fixedly connected to one side end part of the limiting column; the end part of the connecting rope is fixedly connected with a magnet; the magnet is attracted with the side wall of the crushing plate by magnetic force; during operation, the pushing effect of the crushing plate on the limiting columns is utilized, the magnets can be driven to be separated from the contact of the crushing plates in the impact process of the crushing plates, in the resetting of the subsequent limiting columns, the magnetic attraction effect of the magnets and the crushing plates can drive the magnets to be adsorbed on the side walls of the crushing plates again, the vibration effect is generated, the mixture attachments on the crushing plates are cleaned in a vibration mode, and the adhesion condition is reduced.
Preferably, the side wall of the crushing plate is fixedly connected with a plurality of groups of connecting plates; the outer part of the limiting column is connected with a rubber ring in a sliding manner; the end part of the connecting plate is fixedly connected to the side wall of the rubber ring; a plurality of groups of limiting grooves are formed in the outer side wall of the limiting column; the rubber ring is contacted with the limit groove; during operation, the step utilizes the setups of the multiunit spacing groove on the spacing post lateral wall, can produce at spacing post removal in-process and pause the effect to increase the clearance effect to the attachment that exists on the breaker plate, reduce the attachment and appear the emergence of the condition of agglomerating on the breaker plate, improve the mixture stirring effect.
Preferably, the crushing plates are arranged in multiple sections, and each section of crushing plate is connected through a connecting rotating shaft; a torsion spring is connected between the connecting rotating shaft and the crushing plate; during operation, this step utilizes the cooperation effect of connection pivot and torsional spring, can drive multiunit breaker plate after the collision each other, increases the frictional force each other, rolls the mixture that exists between the two, reduces the emergence of caking phenomenon, improves breaker plate life simultaneously.
Preferably, a second chute is formed in the inner side wall of the magnet; a plurality of groups of staggered rubber plates are fixedly connected to the inner side wall of the second chute; a collision ball rolls in the second chute; during operation, the moving effect of the magnet is utilized in the step, the collision ball can continuously move and collide in the second chute after moving and striking, the vibration effect is generated, and the residue of the mixture on the crushing plate is further reduced.
Preferably, the side wall of the connecting plate is provided with a third chute at the corresponding position of the crushing plate; a limiting plate is fixedly connected to the end part of the crushing plate; the limiting plate slides in the third chute; during operation, the step utilizes the slidability of limiting plate inside the third chute, and the crushing plate can be taken out when the crushing plate is cleaned, so that the crushing plate is cleaned, and the portability is improved.
The beneficial effects of the invention are as follows:
1. The polyurethane material and the preparation method thereof provided by the invention can drive a pair of crushing plates to collide with each other by utilizing opposite rotation directions of the upper end and the lower end of the fixed rotating shaft so as to crush the agglomerated condensate in the mixture, thereby reducing the occurrence of agglomeration, further improving the mixing effect and reducing the occurrence of waste.
2. The invention provides a polyurethane material and a preparation method thereof, wherein the pushing effect of a crushing plate on a limit column is utilized, a magnet can be driven to be separated from contact with the crushing plate in the impact process of a plurality of groups of crushing plates, and in the subsequent resetting of the limit column, the magnetic attraction effect of the magnet and the crushing plate can drive the magnet to be adsorbed on the side wall of the crushing plate again, so that a vibration effect is generated, the mixture attachments on the crushing plate are cleaned in a vibration way, and the adhesion condition is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is a flow chart of a method according to a first embodiment;
fig. 2 is a perspective view of the first embodiment;
fig. 3 is a perspective view of a breaker plate according to the first embodiment;
Fig. 4 is a schematic structural view of a breaker plate according to the first embodiment;
fig. 5 is a perspective view of a limiting post according to the first embodiment;
Fig. 6 is a perspective view of a magnet according to the first embodiment;
Fig. 7 is a perspective view of a second embodiment;
legend description:
1. A stirrer; 11. a base; 12. fixing the rotating shaft; 13. a connecting plate; 14. a breaker plate; 2. a first chute; 21. a limit column; 22. a connecting rope; 23. a magnet; 3. a connecting plate; 31. a rubber ring; 32. a limit groove; 4. the connecting rotating shaft; 5. a second chute; 51. a rubber plate; 52. a pool ball; 6. a third chute; 61. a limiting plate; 7. fourth chute.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The polyurethane material provided by the embodiment of the invention comprises the following raw materials in parts by weight:
Referring to fig. 1 to 6, a method for preparing a polyurethane material, which is suitable for the polyurethane material, comprises the following steps:
Diphenylmethane diisocyanate 20-30
Toluene diisocyanate 20-25
Polypropylene glycol 15-20
Phenol resin 12-15
5-8 Parts of calcium carbonate
Graphene 6-9
10-12 Parts of cross-linking agent.
S1: diphenylmethane diisocyanate, toluene diisocyanate, polypropylene glycol, phenol resin, calcium carbonate, graphene and a certain proportion are introduced into a stirrer in batches for mixing and stirring, a cross-linking agent is injected into the stirrer in batches for reaction in the stirring process, and a mixture is obtained after stirring;
s2: introducing the mixture into a reaction kettle for heating reaction at 100-170 ℃ for 50 seconds, and preparing a polyurethane material by the thermal autocatalysis effect in exothermic reaction;
s3: pouring the cooled polyurethane material out of the reaction kettle, and carrying out filling and injection molding processing according to the requirements of use scenes.
The stirrer in the step S1 comprises a stirrer 1; the side walls on two sides of the stirrer 1 are respectively and rotatably connected with a base 11; the stirrer 1 is internally and rotatably connected with a fixed rotating shaft 12; the fixed rotating shaft 12 is arranged in two sections, and the rotating directions of the two ends are opposite; the side walls of the two sections of the fixed rotating shafts 12 are fixedly connected with connecting plates 13; the corresponding side walls of the pair of connecting plates 13 are provided with crushing plates 14; during operation, in the process of stirring a plurality of groups of raw materials, the rotation of the fixed rotating shaft 12 in the stirrer 1 can drive the connecting plate 13 to rotate, at the moment, the upper end and the lower end of the fixed rotating shaft 12 rotate along opposite directions along the middle part, so that a plurality of groups of crushing plates 14 mutually collide, and the agglomerates in the mixture are impacted and scattered to fully contact the mixture.
A plurality of groups of first sliding grooves 2 are formed in the side wall of the crushing plate 14; a limiting column 21 is connected inside the first chute 2 in a sliding manner; the first sliding groove 2 is connected with the first sliding groove 2 through an elastic band; a connecting rope 22 is fixedly connected to one side end part of the limiting column 21; the end part of the connecting rope 22 is fixedly connected with a magnet 23; the magnet 23 is attracted with the side wall of the crushing plate 14 by magnetic force; during operation, in the process that multiple groups of crushing plates 14 collide with each other, the end parts of the limiting columns 21 on the side walls of the crushing plates 14 can be contacted with the side walls of the crushing plates 14 first, the limiting columns 21 are driven to move in the first chute 2 through pushing effects, at the moment, the connecting ropes 22 are pulled under the movement of the limiting columns 21, so that the magnets 23 are separated from the contact of the crushing plates 14, the pushing effects of the crushing plates 14 on the limiting columns 21 are utilized, the magnets 23 can be driven to be separated from the contact of the crushing plates 14 in the collision process of the multiple groups of the crushing plates 14, in the subsequent resetting of the limiting columns 21, the magnets 23 can be driven to be adsorbed on the side walls of the crushing plates 14 again through the magnetic attraction effect of the magnets 23 and the crushing plates 14, the vibration effect is generated, the mixture existing on the crushing plates 14 is cleaned in a vibration mode, and the occurrence of adhesion is reduced.
The side wall of the crushing plate 14 is fixedly connected with a plurality of groups of connecting plates 3; a rubber ring 31 is connected to the outside of the limit column 21 in a sliding manner; the end part of the connecting plate 3 is fixedly connected to the side wall of the rubber ring 31; a plurality of groups of limiting grooves 32 are formed in the outer side wall of the limiting column 21; the rubber ring 31 is contacted with the limit groove 32; during operation, in the moving process of the limiting column 21, the plurality of groups of limiting grooves 32 formed in the side wall of the limiting column 21 can be sequentially contacted with the rubber ring 31, so that a pause reaction is generated through the blocking effect of the rubber ring 31 in the moving process of the limiting column 21, the supporting effect of the connecting plate 3 on the rubber ring 31 is matched to vibrate the surface of the crushing plate 14, the pause effect can be generated in the moving process of the limiting column 21 by utilizing the plurality of groups of limiting grooves 32 formed in the side wall of the limiting column 21, the cleaning effect of attachments on the crushing plate 14 is improved, the occurrence of the agglomeration condition of the attachments on the crushing plate 14 is reduced, and the stirring effect of a mixture is improved.
The crushing plates 14 are arranged in a multi-section mode, and each section of crushing plate 14 is connected through a connecting rotating shaft 4; a torsion spring is connected between the connecting rotating shaft 4 and the crushing plate 14; during operation, in the process that the multiple groups of crushing plates 14 collide with each other, the connecting rotating shafts 4 arranged between each section of the crushing plates 14 can increase the friction force between a pair of crushing plates 14 by utilizing torsion of torsion springs, meanwhile, the crashed crushing plates 14 are driven to reset, the step utilizes the cooperation effect of the connecting rotating shafts 4 and the torsion springs, after the multiple groups of the crushing plates 14 collide with each other, the friction force between the crashing plates can be increased, the mixture existing between the crashing plates is rolled, the occurrence of agglomeration phenomenon is reduced, and meanwhile, the service life of the crushing plates 14 is prolonged.
A second chute 5 is formed in the inner side wall of the magnet 23; a plurality of groups of staggered rubber plates 51 are fixedly connected to the inner side wall of the second chute 5; a collision ball 52 rolls in the second chute 5; during operation, in the process that the magnet 23 contacts with the side wall of the crushing plate 14, the collision generated by the magnet 23 can drive the collision ball 52 to move in the second chute 5, the self elasticity of the rubber plate 51 can continue to move in the opposite direction after the collision ball 52 is impacted, the moving effect of the magnet 23 is utilized in the step, the collision ball 52 can continuously move in the second chute 5 after the movement and the impact, the vibration effect is generated, and the residue of the mixture on the crushing plate 14 is further reduced.
The side wall of the connecting plate 13 is provided with a third chute 6 at a position corresponding to the crushing plate 14; a limiting plate 61 is fixedly connected to the end part of the crushing plate 14; the limiting plate 61 slides inside the third chute 6; during operation, the third chute 6 formed on the side wall of the connecting plate 13 can be used for sliding the limiting plate 61, after the mixture in the stirrer 1 is stirred, the sliding property of the limiting plate 61 can enable a worker to take out the crushing plate 14, and the step utilizes the sliding property of the limiting plate 61 in the third chute 6, so that the crushing plate 14 can be taken out during cleaning operation of the crushing plate 14, and the crushing plate 14 is cleaned, so that portability is improved.
Example two
Referring to fig. 7, in a first comparative example, as another embodiment of the present invention, a fourth chute 7 is formed on the top of the base 11; during operation, after the inside mixture of agitator 1 stirs and accomplishes, the staff can utilize seting up of No. four spout 7 to remove agitator 1 self position, and this step utilizes seting up of No. four spout 7, can conveniently change the self position of agitator 1 to the staff draws the inside mixture of agitator 1, increases the adaptability of agitator 1 in different environment.
Working principle: in the process of stirring a plurality of groups of raw materials, the rotation of the fixed rotating shaft 12 in the stirrer 1 can drive the connecting plate 13 to rotate, at the moment, the upper end and the lower end of the fixed rotating shaft 12 rotate along the opposite directions along the middle part, so that a plurality of groups of crushing plates 14 mutually collide, the clusters existing in the mixture are impacted and scattered, the clusters are fully contacted with the mixture, in the process of mutually colliding a plurality of groups of crushing plates 14, the end part of the limiting column 21 on the side wall of the crushing plate 14 can be firstly contacted with the side wall of the crushing plate 14, the limiting column 21 is driven to move in the first chute 2 through a pushing effect, at the moment, the connecting rope 22 is pulled under the movement of the limiting column 21, so that the magnet 23 is separated from the contact of the crushing plate 14, in the process of moving the limiting column 21, a plurality of groups of limiting grooves 32 formed on the side wall of the limiting column 21 can be sequentially contacted with the rubber ring 31, the blocking effect of the rubber ring 31 is utilized to generate a reaction in the moving process of the limit post 21, the rubber ring 31 is supported by the connecting plate 3, vibration is generated on the surface of the crushing plates 14, in the process of mutually colliding multiple groups of crushing plates 14, the connecting rotating shaft 4 arranged between each two crushing plates 14 can increase the friction force between a pair of crushing plates 14 by utilizing torsion of torsion springs, meanwhile, the crashed crushing plates 14 are driven to reset, in the contacting process of the magnet 23 and the side wall of the crushing plates 14, the collision ball 52 can be driven to move in the second chute 5 along with the collision generated by the magnet 23, the self elasticity of the rubber plate 51 can continue to move in the opposite direction after the collision ball 52 is impacted, the third chute 6 arranged on the side wall of the connecting plate 13 can be used for sliding the limit plate 61, after the stirring of the mixture in the stirrer 1 is completed, the slidability of the stop plate 61 allows the operator to remove the breaker plate 14.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.
Claims (1)
1. A polyurethane material characterized by: the composite material is prepared from the following raw materials in parts by weight:
Diphenylmethane diisocyanate 20-30
Toluene diisocyanate 20-25
Polypropylene glycol 15-20
Phenol resin 12-15
5-8 Parts of calcium carbonate
Graphene 6-9
10-12 Parts of cross-linking agent;
The preparation method of the polyurethane material is suitable for the polyurethane material, and comprises the following steps:
S1: diphenylmethane diisocyanate, toluene diisocyanate, polypropylene glycol, phenol resin, calcium carbonate and graphene are introduced into a stirrer in batches after a certain proportion, mixed and stirred, and a cross-linking agent is injected into the stirrer in batches in the stirring process for reaction, and a mixture is obtained after stirring;
s2: introducing the mixture into a reaction kettle for heating reaction at 100-170 ℃ for 50 seconds, and preparing a polyurethane material by the thermal autocatalysis effect in exothermic reaction;
s3: pouring the cooled polyurethane material out of the reaction kettle, and carrying out filling and injection molding processing according to the requirements of a use scene;
The stirrer in the step S1 comprises a stirrer (1); the side walls at two sides of the stirrer (1) are rotationally connected with a base (11); the stirrer (1) is internally and rotatably connected with a fixed rotating shaft (12); the fixed rotating shaft (12) is arranged in two sections, and the rotating directions of the two sections are opposite; the side walls of the two sections of fixed rotating shafts (12) are fixedly connected with connecting plates (13); the corresponding side walls of the pair of connecting plates (13) are provided with crushing plates (14);
A plurality of groups of first sliding grooves (2) are formed in the side wall of the crushing plate (14); a limiting column (21) is connected inside the first sliding groove (2) in a sliding way; the first sliding groove (2) is connected with the first sliding groove (2) through an elastic band; a connecting rope (22) is fixedly connected to one side end part of the limiting column (21); a magnet (23) is fixedly connected to the end part of the connecting rope (22); the magnet (23) and the side wall of the crushing plate (14) are attracted by magnetic force;
A plurality of groups of connecting plates (3) are fixedly connected to the side wall of the crushing plate (14); the outer part of the limit column (21) is connected with a rubber ring (31) in a sliding manner; the end part of the connecting plate (3) is fixedly connected to the side wall of the rubber ring (31); a plurality of groups of limiting grooves (32) are formed in the outer side wall of the limiting column (21); the rubber ring (31) is contacted with the limit groove (32);
The crushing plates (14) are arranged in multiple sections, and each section of crushing plate (14) is connected through a connecting rotating shaft (4); a torsion spring is connected between the connecting rotating shaft (4) and the crushing plate (14);
A second chute (5) is formed in the inner side wall of the magnet (23); a plurality of groups of staggered rubber plates (51) are fixedly connected to the inner side wall of the second chute (5); a collision ball (52) rolls in the second chute (5);
a third chute (6) is formed in a position, corresponding to the crushing plate (14), of the side wall of the connecting plate (13); a limiting plate (61) is fixedly connected to the end part of the crushing plate (14); the limiting plate (61) slides in the third sliding groove (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211731686.2A CN116284677B (en) | 2022-12-30 | 2022-12-30 | Polyurethane material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211731686.2A CN116284677B (en) | 2022-12-30 | 2022-12-30 | Polyurethane material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116284677A CN116284677A (en) | 2023-06-23 |
| CN116284677B true CN116284677B (en) | 2024-05-17 |
Family
ID=86778653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211731686.2A Active CN116284677B (en) | 2022-12-30 | 2022-12-30 | Polyurethane material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116284677B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3650994A (en) * | 1970-07-27 | 1972-03-21 | Dow Chemical Co | Polyurethane compositions prepared from diphenyl ether-phenol resins and polyisocyanates |
| JPS6291692A (en) * | 1985-10-16 | 1987-04-27 | Ngk Insulators Ltd | Magnet driving device for rotating apparatus |
| CN105199069A (en) * | 2015-10-09 | 2015-12-30 | 上海应用技术学院 | Preparation method of structural flame-retardant polyurethane soft foam |
| KR102152969B1 (en) * | 2020-06-24 | 2020-09-07 | 박정미 | Polyurethane adhesive manufaturing method |
| CN112300566A (en) * | 2020-11-13 | 2021-02-02 | 广州机械科学研究院有限公司 | Self-lubricating high-resistivity polyurethane material and preparation method and application thereof |
| CN112876642A (en) * | 2021-01-16 | 2021-06-01 | 烟台辰宇汽车部件有限公司 | High-hardness polyurethane composite material and preparation method thereof |
| DE212021000073U1 (en) * | 2021-05-16 | 2021-06-15 | Suzhou Babel Textile Technology Co., Ltd. | A stirring device for textile dyes |
| KR102405459B1 (en) * | 2021-12-20 | 2022-06-07 | (주)에이원텍 | Mixing apparatus with vertical movement shaft |
| CN114621616A (en) * | 2022-03-24 | 2022-06-14 | 殷晓芳 | Wear-resistant corrosion-resistant coating and preparation method thereof |
| CN115245775A (en) * | 2022-08-12 | 2022-10-28 | 广州邦海能源科技有限公司 | Lithium cell electricity core thick liquids collision formula mixing system |
| CN115253861A (en) * | 2022-08-08 | 2022-11-01 | 广西邱威禽苗孵化集团有限公司 | Hatching chick is fed feed processing and is used material equipment of mixing |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10898031B2 (en) * | 2016-11-16 | 2021-01-26 | F'real Foods Llc | Modular blender with improved water heating and light beam detection |
-
2022
- 2022-12-30 CN CN202211731686.2A patent/CN116284677B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3650994A (en) * | 1970-07-27 | 1972-03-21 | Dow Chemical Co | Polyurethane compositions prepared from diphenyl ether-phenol resins and polyisocyanates |
| JPS6291692A (en) * | 1985-10-16 | 1987-04-27 | Ngk Insulators Ltd | Magnet driving device for rotating apparatus |
| CN105199069A (en) * | 2015-10-09 | 2015-12-30 | 上海应用技术学院 | Preparation method of structural flame-retardant polyurethane soft foam |
| KR102152969B1 (en) * | 2020-06-24 | 2020-09-07 | 박정미 | Polyurethane adhesive manufaturing method |
| CN112300566A (en) * | 2020-11-13 | 2021-02-02 | 广州机械科学研究院有限公司 | Self-lubricating high-resistivity polyurethane material and preparation method and application thereof |
| CN112876642A (en) * | 2021-01-16 | 2021-06-01 | 烟台辰宇汽车部件有限公司 | High-hardness polyurethane composite material and preparation method thereof |
| DE212021000073U1 (en) * | 2021-05-16 | 2021-06-15 | Suzhou Babel Textile Technology Co., Ltd. | A stirring device for textile dyes |
| KR102405459B1 (en) * | 2021-12-20 | 2022-06-07 | (주)에이원텍 | Mixing apparatus with vertical movement shaft |
| CN114621616A (en) * | 2022-03-24 | 2022-06-14 | 殷晓芳 | Wear-resistant corrosion-resistant coating and preparation method thereof |
| CN115253861A (en) * | 2022-08-08 | 2022-11-01 | 广西邱威禽苗孵化集团有限公司 | Hatching chick is fed feed processing and is used material equipment of mixing |
| CN115245775A (en) * | 2022-08-12 | 2022-10-28 | 广州邦海能源科技有限公司 | Lithium cell electricity core thick liquids collision formula mixing system |
Non-Patent Citations (2)
| Title |
|---|
| Influence of space of agitators in double impellers on stirring effect;Zhang Hui-min，等;Water Resources and Power;20161231;第34卷(第12期);第173-176, 185页 * |
| 新型搅拌设备中粒子运动与碰撞的三维仿真;余潇，等;科学技术与工程;20131231;第12卷(第27期);第8095-8099页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116284677A (en) | 2023-06-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Byun et al. | Synthesis and characterization of resol type phenolic resin/layered silicate nanocomposites | |
| EP2606998B1 (en) | Device and method for powder particle morphological control | |
| CN116284677B (en) | Polyurethane material and preparation method thereof | |
| EP3459619A1 (en) | Sound wave mixing device based on three-freedom-degree resonance system | |
| WO1995027752A1 (en) | Cured unsaturated polyester-polyurethane hybrid highly filled resin foams | |
| CN110240690A (en) | Graphene modified polyurethane foam and preparation method thereof | |
| CN210874939U (en) | Mix quick-witted shock attenuation installation mechanism | |
| CN110385052A (en) | A kind of graphene preparation facilities that mixture homogeneity is high | |
| JP2987888B2 (en) | Damping material | |
| CN115253822B (en) | A medical test homogenization device and its use method | |
| CN221690827U (en) | Tilt assemblies and cleaning equipment | |
| CN116212741B (en) | A granulation pot sealing lid | |
| KR20240113783A (en) | Hollow particles, method for producing hollow particles, and resin composition | |
| CN106750108B (en) | Anti-ballistic materials and preparation method thereof | |
| CN111036547B (en) | Material screening device | |
| JP5681498B2 (en) | Urethane resin particles | |
| CN202376939U (en) | Powder material blending device | |
| CN111905647A (en) | Phosphogypsum granulation system | |
| CN111234511A (en) | Modified polyurethane foamed plastic | |
| CN213593329U (en) | Vibration type ABS modified material equal-proportion blending equipment | |
| CN108822338A (en) | A kind of rubber devulcanization device | |
| CN216093446U (en) | A thick liquids agitating unit for battery manufacturing | |
| JP2008214494A (en) | Resin particle and its manufacturing method | |
| CN213352935U (en) | Cement stirring device for building engineering | |
| CN115181240A (en) | Wear-resistant heat-insulating polyurethane rigid foam plastic and preparation method thereof |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |