CN112940207A - Phenolic plastic foam and production process thereof - Google Patents
Phenolic plastic foam and production process thereof Download PDFInfo
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- CN112940207A CN112940207A CN202110415070.3A CN202110415070A CN112940207A CN 112940207 A CN112940207 A CN 112940207A CN 202110415070 A CN202110415070 A CN 202110415070A CN 112940207 A CN112940207 A CN 112940207A
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- welded
- phenolic
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- 229920001568 phenolic resin Polymers 0.000 title claims abstract description 39
- 239000002984 plastic foam Substances 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims abstract description 18
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000005011 phenolic resin Substances 0.000 claims abstract description 17
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000003513 alkali Substances 0.000 claims abstract description 8
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000853 adhesive Substances 0.000 claims abstract description 7
- 230000001070 adhesive effect Effects 0.000 claims abstract description 7
- 235000019253 formic acid Nutrition 0.000 claims abstract description 7
- 229930040373 Paraformaldehyde Natural products 0.000 claims abstract description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000004202 carbamide Substances 0.000 claims abstract description 4
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims abstract description 4
- 229920002866 paraformaldehyde Polymers 0.000 claims abstract description 4
- 239000007787 solid Substances 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 66
- 238000005507 spraying Methods 0.000 claims description 21
- 230000000149 penetrating effect Effects 0.000 claims description 18
- 239000007921 spray Substances 0.000 claims description 15
- 229920001971 elastomer Polymers 0.000 claims description 11
- 238000007790 scraping Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000005187 foaming Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 4
- 230000002378 acidificating effect Effects 0.000 claims description 3
- 239000012752 auxiliary agent Substances 0.000 claims description 3
- 239000011449 brick Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 229920002545 silicone oil Polymers 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims 5
- 239000007789 gas Substances 0.000 abstract description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 abstract description 3
- 235000011114 ammonium hydroxide Nutrition 0.000 abstract description 3
- 238000003860 storage Methods 0.000 abstract description 3
- 238000006386 neutralization reaction Methods 0.000 abstract 1
- 238000002156 mixing Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 229920001342 Bakelite® Polymers 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000004637 bakelite Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
- C08G8/04—Condensation polymers of aldehydes or ketones with phenols only of aldehydes
- C08G8/08—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ
- C08G8/10—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ with phenol
-
- 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
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
- B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
- B29B7/12—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft
- B29B7/16—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft with paddles or arms
-
- 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
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/22—Component parts, details or accessories; Auxiliary operations
-
- 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
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/22—Component parts, details or accessories; Auxiliary operations
- B29B7/24—Component parts, details or accessories; Auxiliary operations for feeding
-
- 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
- C08G14/00—Condensation polymers of aldehydes or ketones with two or more other monomers covered by at least two of the groups C08G8/00 - C08G12/00
- C08G14/02—Condensation polymers of aldehydes or ketones with two or more other monomers covered by at least two of the groups C08G8/00 - C08G12/00 of aldehydes
- C08G14/04—Condensation polymers of aldehydes or ketones with two or more other monomers covered by at least two of the groups C08G8/00 - C08G12/00 of aldehydes with phenols
- C08G14/06—Condensation polymers of aldehydes or ketones with two or more other monomers covered by at least two of the groups C08G8/00 - C08G12/00 of aldehydes with phenols and monomers containing hydrogen attached to nitrogen
- C08G14/08—Ureas; Thioureas
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2361/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2361/04—Condensation polymers of aldehydes or ketones with phenols only
- C08J2361/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2361/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2361/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08J2361/22—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
- C08J2361/24—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with urea or thiourea
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a phenolic plastic foam, which comprises the following components in percentage by weight: comprises 600Kg of phenol, 375Kg of solid formaldehyde, 8Kg of alkali, 25Kg of water, 5Kg of formic acid and 25Kg of urea; a production process of phenolic plastic foam comprises the following steps: in the first step, the phenolic resin adhesive is prepared, firstly, the dissolved phenol is pumped into a reaction kettle, the paraformaldehyde and the dissolved alkali are sequentially pumped, the temperature of the solution is raised from about 50 ℃ to 55 ℃ for 20 minutes, the temperature is raised to 65-70 ℃ for 1.5 hours, and then the temperature is maintained at 72-82 ℃; the pH value of the invention is superior to that of similar products at home and abroad, a lot of similar products at present have pH values of 2-3, and can be neutralized only by ammonia water and ammonia gas neutralization, the generated phenolic plastic foam changes the pH value of the existing phenolic resin, improves the water storage capacity, improves the production efficiency, discharges bad gases, enables the pH value to reach 5-6, avoids burning roots of plants, has high forming speed, and can be used for fresh-keeping and seedling raising of fresh cut flowers.
Description
Technical Field
The invention relates to the technical field of phenolic plastic foam, in particular to phenolic plastic foam and a production process thereof.
Background
Phenolic resin is also called bakelite, also called bakelite powder, is commonly used and foamed into shape to be used as flower arrangement mud, plays the role of fresh flower water supply, the pH value of the traditional phenolic resin is about 7, is not beneficial to the fresh-keeping of flowers, contains a plurality of harmful gases in the phenolic resin to influence the fresh-keeping of the flower arrangement, has the defects of poor water absorption amount and slow forming speed, and also has a stirrer for producing phenolic plastic foam, so the phenolic plastic foam has the advantages of low working efficiency, inconvenient use, inconvenient reagent addition and insufficient and uneven stirring, and therefore, the design of the phenolic plastic foam and the production process thereof are necessary.
Disclosure of Invention
The invention aims to provide phenolic plastic foam and a production process thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the phenolic plastic foam has the following formula: comprises 600Kg of phenol, 375Kg of solid formaldehyde, 8Kg of alkali, 25Kg of water, 5Kg of formic acid and 25Kg of urea.
A production process of phenolic plastic foam comprises the following steps:
firstly pumping the dissolved phenol into a reaction kettle, sequentially pumping paraformaldehyde and the dissolved alkali, then starting to heat the solution from about 50 ℃ to 55 ℃ for 20 minutes, continuing to heat the solution to 65-70 ℃ for 1.5 hours, then starting to keep the temperature at 72-82 ℃ until the solution is cured for 1.5 hours, measuring the cloud point to 45 ℃ and cooling the solution to 74 ℃, finally adding formic acid, stirring the solution to neutralize the pH value to 7, and continuing to cool the solution to 25 ℃ to obtain the phenolic resin adhesive;
in the second step, the temperature of the phenolic resin adhesive is controlled in the reaction kettle to be 20-42 ℃, and the temperature of the iron mold box is 55-60 ℃;
in the third step, the phenol in the reaction kettle is put into a stirrer, then the silicone oil and the penetrant are added into the stirrer, the foaming auxiliary agent is sequentially added, the acidic curing agent is added, and the mixture is fully stirred for 2-4 min;
in the fourth step, the fully stirred phenolic resin is uniformly poured into a mold box with good constant temperature for foaming, standing for 5min to remove a large amount of gas, moisture, free aldehyde, free phenol and other undesirable components, and the pH value reaches about 5-6;
and in the fifth step, standing for 10min to obtain phenolic plastic foam, cutting into bricks, and packaging.
According to the technical scheme: in the second step, the stirrer comprises a stirring box, a box cover, a discharging pipe, a feeding pipe, a valve, a stirring assembly, a feeding assembly and supporting legs, wherein the box cover is fixedly arranged on the outer wall of the top end of the stirring box;
the stirring assembly comprises a first mounting frame, a rotating motor, a first gear, a first inserting hole, a rotating pipe, a first annular chute, a first annular slide block, a second gear, a stirring shaft, a stirring blade, a first scraper blade and a second scraper blade, the first mounting frame is welded on the outer wall of the top end of the box cover, the rotating motor is fixedly mounted on the outer wall of the first mounting frame, the first gear is fixedly sleeved on one end of an output shaft of the rotating motor, the first inserting hole is formed in the center of the outer wall of the top end of the box cover in a penetrating manner, the rotating pipes are inserted and connected on the inner walls of two sides of the first inserting hole, the first annular chute is formed in the inner wall of the first inserting hole, the first annular slide block is welded on the outer wall of the rotating pipe corresponding to the first annular chute, the second gear is fixedly sleeved and connected on the outer wall of the rotating pipe corresponding to the first gear, and the first gear is meshed with, the utility model discloses a stirring shaft, including the pivot pipe, the pivot pipe is located the agitator tank, the pivot pipe is connected on the bottom of agitator tank and is fixed with the (mixing) shaft, the symmetric welding has the stirring leaf on the outer wall of (mixing) shaft, the symmetric welding has first scraper blade on the outer wall that the (mixing) shaft is located the stirring leaf below, and the laminating of the bottom inner wall of first scraper blade and agitator tank, the welding has the second scraper blade on the outer wall between first scraper blade and the stirring leaf, and the laminating of the both sides inner wall of.
According to the technical scheme: the feeding assembly comprises a second mounting frame, a feeding cylinder, a hydraulic cylinder, a piston, an inserting pipe, a sleeve, a second annular sliding block, a second annular sliding groove, a first spraying pipe, a second spraying pipe, a spray hole, an elastic rubber sleeve and a fastening ring, the second mounting frame is welded on the outer wall of the top end of the box cover, which is positioned on one side of the first mounting frame, the feeding cylinder is welded on the outer wall of the second mounting frame corresponding to the rotating pipe, the inserting pipe is welded on the outer wall of the bottom end of the feeding cylinder corresponding to the rotating pipe in a penetrating manner, the bottom end of the inserting pipe is inserted into the rotating pipe, the second annular sliding block is welded on the outer wall of the inserting pipe, the second annular sliding grooves are formed on the inner walls of two sides of the rotating pipe corresponding to the second annular sliding blocks, the inner walls of the second annular sliding grooves are attached to the outer, and the top of rotating-barrel inserts in the cover, it has first spray pipe to distribute to link up the welding on the outer wall that the grafting pipe is located the agitator tank inside, it has the second spray pipe to distribute to link up the welding on the bottom outer wall of first spray pipe, the symmetry link up on the outer wall of second spray pipe has seted up the orifice, it has cup jointed the elastic rubber cover to correspond the orifice on the outer wall of second spray pipe, the elastic rubber cover cup joints on the outer wall that is located the orifice top and is fixed with the clamping ring, the outer wall that the second mounting bracket is located the charging barrel top is installed and is fixed with the pneumatic cylinder, the installation of pneumatic cylinder telescopic shaft is located the bottom in the charging barrel is fixed with the piston.
According to the technical scheme: and a filler pipe is welded on the outer wall of one side of the feeding cylinder in a penetrating way.
According to the technical scheme: the guide rods are symmetrically welded on the outer wall of the top end of the piston, guide holes are formed in the outer wall of the second mounting frame corresponding to the guide rods in a penetrating mode, and a stop block is welded at one end, penetrating through the outer portion of each guide hole, of each guide rod.
Compared with the prior art, the invention has the beneficial effects that: the production process of the phenolic plastic foam has simple flow and convenient operation, can be used for fresh-keeping and seedling raising of fresh cut flowers, has a pH value superior to that of similar products at home and abroad, a plurality of the current similar products have pH values of 2-3, and can be neutralized only by ammonia water and ammonia gas, the produced phenolic plastic foam changes the pH value of the existing phenolic resin, improves the water storage capacity, improves the production efficiency, discharges bad gas, enables the pH value to reach 5-6, avoids the burning of roots of plants, and has high forming speed; the mixer of setting, through the rotating electrical machines, first gear, the rotating tube, the second gear, (mixing) shaft, the stirring leaf, the cooperation of first scraper blade and second scraper blade, the messenger is more even and abundant to the stirring of raw materials, work efficiency has been increased, also can prevent that the material from gluing on the agitator tank inner wall, through adding a material section of thick bamboo, the pneumatic cylinder, a piston, the pipe of pegging graft, first spray pipe, the second spray pipe, the cooperation of orifice and elastic rubber sleeve, be convenient for add reagent voluntarily, it is more labour saving and time saving and convenient, be worth extensively popularizing and applying.
Drawings
FIG. 1 is an overall perspective view of the blender of the present invention;
FIG. 2 is an overall cross-sectional view of the blender of the present invention;
FIG. 3 is an enlarged view of area A of FIG. 2 in accordance with the present invention;
FIG. 4 is an enlarged view of area B of FIG. 2 in accordance with the present invention;
FIG. 5 is an enlarged view of area C of FIG. 2 in accordance with the present invention;
FIG. 6 is a view of the charging assembly of the present invention;
in the figure: 1. a stirring box; 2. a box cover; 3. a discharge pipe; 4. a feed pipe; 5. a filler tube; 6. a valve; 7. a stirring assembly; 8. a feeding assembly; 9. supporting legs; 10. a guide bar; 11. a guide hole; 71. a first mounting bracket; 72. a rotating electric machine; 73. a first gear; 74. a first plug hole; 75. rotating the tube; 76. a first annular chute; 77. a first annular slider; 78. a second gear; 79. a stirring shaft; 710. stirring blades; 711. a first squeegee; 712. a second squeegee; 81. a second mounting bracket; 82. a charging barrel; 83. a hydraulic cylinder; 84. a piston; 85. inserting a pipe; 86. a sleeve; 87. a second annular slider; 88. a second annular chute; 89. a first spray pipe; 810. a second spray pipe; 811. spraying a hole; 812. an elastic rubber sleeve; 813. and (7) fastening rings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution:
the phenolic plastic foam has the following formula: comprises 600Kg of phenol, 375Kg of solid formaldehyde, 8Kg of alkali, 25Kg of water, 5Kg of formic acid and 25Kg of urea.
A production process of phenolic plastic foam comprises the following steps:
firstly pumping the dissolved phenol into a reaction kettle, sequentially pumping paraformaldehyde and the dissolved alkali, then starting to heat the solution from about 50 ℃ to 55 ℃ for 20 minutes, continuing to heat the solution to 65-70 ℃ for 1.5 hours, then starting to keep the temperature at 72-82 ℃ until the solution is cured for 1.5 hours, measuring the cloud point to 45 ℃ and cooling the solution to 74 ℃, finally adding formic acid, stirring the solution to neutralize the pH value to 7, and continuing to cool the solution to 25 ℃ to obtain the phenolic resin adhesive;
in the second step, the temperature of the phenolic resin adhesive is controlled in the reaction kettle to be 20-42 ℃, and the temperature of the iron mold box is 55-60 ℃;
in the third step, the phenol in the reaction kettle is put into a stirrer, then the silicone oil and the penetrant are added into the stirrer, the foaming auxiliary agent is sequentially added, the acidic curing agent is added, and the mixture is fully stirred for 2-4 min; the stirrer comprises a stirring box 1, a box cover 2, a discharging pipe 3, a feeding pipe 4, a valve 6, a stirring assembly 7, a feeding assembly 8 and supporting legs 9, wherein the box cover 2 is fixedly arranged on the outer wall of the top end of the stirring box 1, the stirring assembly 7 is arranged on the outer wall of the top end of the box cover 2, the feeding assembly 8 is arranged on the outer wall of the top end of the box cover 2, which is positioned on one side of the stirring assembly 7, the feeding pipe 4 is welded on the outer wall of one side of the stirring box 1 in a penetrating manner, the discharging pipe 3 is welded on the outer wall of the stirring box 1, which is positioned below the feeding pipe 4, the valve 6 is fixedly arranged; the stirring component 7 comprises a first mounting frame 71, a rotating motor 72, a first gear 73, a first inserting hole 74, a rotating pipe 75, a first annular sliding groove 76, a first annular slide block 77, a second gear 78, a stirring shaft 79, a stirring blade 710, a first scraping plate 711 and a second scraping plate 712, wherein the first mounting frame 71 is welded on the outer wall of the top end of the box cover 2, the rotating motor 72 is fixedly installed on the outer wall of the first mounting frame 71, the first gear 73 is fixedly sleeved on one end of the output shaft of the rotating motor 72, the first inserting hole 74 is penetratingly formed in the center of the outer wall of the top end of the box cover 2, the rotating pipe 75 is inserted and fixed on the inner walls of two sides of the first inserting hole 74, the first annular sliding groove 76 is formed in the inner wall of the first inserting hole 74, the first annular slide block 77 is welded on the outer wall of the rotating pipe 75 corresponding to the first annular sliding groove 76, the second gear 78 is fixedly sleeved on the outer wall, the first gear 73 is meshed with the second gear 78, the bottom end of the rotating pipe 75, which is positioned in the stirring box 1, is fixedly connected with a stirring shaft 79, stirring blades 710 are symmetrically welded on the outer wall of the stirring shaft 79, first scraping plates 711 are symmetrically welded on the outer wall of the stirring shaft 79, which is positioned below the stirring blades 710, the first scraping plates 711 are attached to the inner wall of the bottom end of the stirring box 1, second scraping plates 712 are welded on the outer wall between the first scraping plates 711 and the stirring blades 710, and the second scraping plates 712 are attached to the inner walls of the two sides of the stirring box 1, so that stirring is facilitated, raw materials are prevented from being adhered to the inner wall of the stirring box 1, and stirring is; the feeding assembly 8 comprises a second mounting frame 81, a feeding cylinder 82, a hydraulic cylinder 83, a piston 84, an inserting pipe 85, a sleeve 86, a second annular slider 87, a second annular sliding groove 88, a first spraying pipe 89, a second spraying pipe 810, a spray hole 811, an elastic rubber sleeve 812 and a fastening ring 813, wherein the second mounting frame 81 is welded on the outer wall of the top end of the box cover 2 on one side of the first mounting frame 71, the feeding cylinder 82 is welded on the outer wall of the second mounting frame 81 corresponding to the rotating pipe 75, the inserting pipe 85 is welded on the outer wall of the bottom end of the feeding cylinder 82 corresponding to the rotating pipe 75 in a penetrating manner, the bottom end of the inserting pipe 85 is inserted into the rotating pipe 75, the second annular slider 87 is welded on the outer wall of the inserting pipe 85 inside the rotating pipe 75, the second annular sliding grooves 88 are formed on the inner walls on two sides of the rotating pipe 75 corresponding to the second annular slider 87, and, the outer wall of the insertion pipe 85 above the rotating pipe 75 is welded with a sleeve 86, the top end of the rotating pipe 75 is inserted into the sleeve 86, the outer wall of the insertion pipe 85 inside the stirring box 1 is distributed, communicated and welded with a first spraying pipe 89, the outer wall of the bottom end of the first spraying pipe 89 is distributed, communicated and welded with a second spraying pipe 810, the outer wall of the second spraying pipe 810 is symmetrically communicated and provided with spray holes 811, the outer wall of the second spraying pipe 810 is sleeved and connected with an elastic rubber sleeve 812 corresponding to the spray holes 811, the outer wall of the elastic rubber sleeve 812 above the spray holes 811 is sleeved and fixed with a fastening ring 813, the outer wall of the second mounting frame 81 above the feeding cylinder 82 is provided and fixed with a hydraulic cylinder 83, and the bottom end of the telescopic shaft of the hydraulic cylinder 83 in the feeding cylinder 82 is provided and fixed with a piston 84 for automatically adding an acid curing agent; a filler pipe 5 is welded on the outer wall of one side of the feeding cylinder 82 in a penetrating way, so that the equipment is complete and complete; guide rods 10 are symmetrically welded on the outer wall of the top end of the piston 84, a guide hole 11 is formed in the outer wall of the second mounting frame 81 corresponding to the guide rod 10 in a penetrating mode, and a stop block is welded on one end, penetrating through the guide hole 11, of the guide rod 10, so that the piston 84 moves stably; when the stirrer is used, the piston 84 is moved above the filling pipe 5 through the hydraulic cylinder 83, then the additive is put into the feeding cylinder 82 from the filling pipe 5, then the hydraulic cylinder 83 is started to drive the piston 84 to move downwards, so that the additive in the feeding cylinder 82 enters the first spraying pipe 89 along the rotating pipe 75 and is sprayed into the stirring box 1 through the spraying holes 811 on the second spraying pipe 810, the rotating motor 72 is started, the rotating motor 72 drives the stirring shaft 79 on the rotating pipe 75 to rotate through the matching of the first gear 73 and the second gear 78, the stirring shaft 79 drives the stirring blade 710, the first scraping plate 711 and the second scraping plate 712 to rotate, and the solution is uniformly stirred;
in the fourth step, the fully stirred phenolic resin is uniformly poured into a mold box with good constant temperature for foaming, standing for 5min to remove a large amount of gas, moisture, free aldehyde, free phenol and other undesirable components, and the pH value reaches about 5-6;
and in the fifth step, standing for 10min to obtain phenolic plastic foam, cutting into bricks, and packaging.
Based on the above, the invention has the advantages that the invention can be used for fresh-keeping and seedling raising of fresh cut flowers, the pH value of the invention is superior to that of similar products at home and abroad, many of the similar products at present have the pH value of 2-3, and can be neutralized only by ammonia water and ammonia gas, the pH value of the existing phenolic resin is changed, the water storage capacity is improved, the production efficiency is improved, the bad gas is discharged, the bad substances can be effectively removed, the pH value reaches 5-6, the burning of roots of plants is avoided, and the forming speed is high.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A phenolic foam characterized by: the formula of the phenolic plastic foam comprises the following components: comprises 600Kg of phenol, 375Kg of solid formaldehyde, 8Kg of alkali, 25Kg of water, 5Kg of formic acid and 25Kg of urea.
2. A production process of phenolic plastic foam comprises the following steps: the method is characterized in that:
firstly pumping the dissolved phenol into a reaction kettle, sequentially pumping paraformaldehyde and the dissolved alkali, then starting to heat the solution from about 50 ℃ to 55 ℃ for 20 minutes, continuing to heat the solution to 65-70 ℃ for 1.5 hours, then starting to keep the temperature at 72-82 ℃ until the solution is cured for 1.5 hours, measuring the cloud point to 45 ℃ and cooling the solution to 74 ℃, finally adding formic acid, stirring the solution to neutralize the pH value to 7, and continuing to cool the solution to 25 ℃ to obtain the phenolic resin adhesive;
in the second step, the temperature of the phenolic resin adhesive is controlled in the reaction kettle to be 20-42 ℃, and the temperature of the iron mold box is 55-60 ℃;
in the third step, the phenolic resin in the reaction kettle is put into a stirrer, then the silicone oil and the penetrating agent are added into the stirrer, the foaming auxiliary agent is sequentially added, the acidic curing agent is added, and the mixture is fully stirred for 2-4 min;
in the fourth step, the fully stirred phenolic resin is uniformly poured into a mold box with good constant temperature for foaming, standing for 5min to remove a large amount of gas, moisture, free aldehyde, free phenol and other undesirable components, and the pH value reaches about 5-6;
and in the fifth step, standing for 10min to obtain phenolic plastic foam, cutting into bricks, and packaging.
3. The process for producing a phenolic foam according to claim 2, wherein: in the third step, the stirrer comprises a stirring box (1), a box cover (2), a discharging pipe (3), a feeding pipe (4), a valve (6), a stirring component (7), a feeding component (8) and supporting legs (9), a box cover (2) is fixedly arranged on the outer wall of the top end of the stirring box (1), a stirring assembly (7) is arranged on the outer wall of the top end of the box cover (2), a feeding component (8) is arranged on the outer wall of the top end of the box cover (2) at one side of the stirring component (7), a feeding pipe (4) is welded on the outer wall of one side of the stirring box (1) in a run-through manner, the outer wall of the stirring box (1) below the feeding pipe (4) is welded with a discharging pipe (3) in a run-through way, a valve (6) is fixedly arranged on the outer wall of the discharge pipe (3), and supporting legs (9) are distributed and welded on the outer wall of the bottom end of the stirring box (1);
the stirring component (7) comprises a first mounting frame (71), a rotating motor (72), a first gear (73), a first inserting hole (74), a rotating pipe (75), a first annular sliding groove (76), a first annular sliding block (77), a second gear (78), a stirring shaft (79), a stirring blade (710), a first scraper (711) and a second scraper (712), wherein the first mounting frame (71) is welded on the outer wall of the top end of the box cover (2), the rotating motor (72) is fixedly installed on the outer wall of the first mounting frame (71), the first gear (73) is fixedly sleeved on one end of an output shaft of the rotating motor (72), the first inserting hole (74) is formed in the center of the outer wall of the top end of the box cover (2) in a penetrating manner, the rotating pipe (75) is inserted and connected on the inner walls of two sides of the first inserting hole (74), the first annular sliding groove (76) is formed on the inner wall of the first inserting hole (74), a first annular slide block (77) is welded on the outer wall of the rotating pipe (75) corresponding to the first annular sliding groove (76), a second gear (78) is sleeved and fixed on the outer wall of the rotating pipe (75) corresponding to the first gear (73), the first gear (73) is meshed with the second gear (78), the bottom end of the rotating pipe (75) in the stirring box (1) is fixedly connected with a stirring shaft (79), stirring blades (710) are symmetrically welded on the outer wall of the stirring shaft (79), first scraping plates (711) are symmetrically welded on the outer wall of the stirring shaft (79) below the stirring blades (710), and first scraper blade (711) and the laminating of the bottom inner wall of agitator tank (1), the welding has second scraper blade (712) on the outer wall between first scraper blade (711) and stirring leaf (710), and the laminating of both sides inner wall of second scraper blade (712) and agitator tank (1).
4. A process for the production of phenolic foam according to claim 3 wherein: the feeding assembly (8) comprises a second mounting frame (81), a feeding cylinder (82), a hydraulic cylinder (83), a piston (84), an inserting pipe (85), a sleeve (86), a second annular sliding block (87), a second annular sliding groove (88), a first spraying pipe (89), a second spraying pipe (810), spray holes (811), an elastic rubber sleeve (812) and a fastening ring (813), the second mounting frame (81) is welded on the outer wall of the top end of the box cover (2) positioned on one side of the first mounting frame (71), the feeding cylinder (82) is welded on the outer wall of the second mounting frame (81) corresponding to the rotating pipe (75), the inserting pipe (85) is welded on the outer wall of the bottom end of the feeding cylinder (82) corresponding to the rotating pipe (75) in a penetrating mode, the bottom end of the inserting pipe (85) is inserted into the rotating pipe (75), the second annular sliding block (87) is welded on the outer wall of the inserting pipe (85) positioned inside the rotating pipe, a second annular sliding groove (88) is formed in the inner walls of the two sides of the rotating pipe (75) corresponding to the second annular sliding block (87), the inner wall of the second annular sliding groove (88) is attached to the outer wall of the second annular sliding block (87), a sleeve (86) is welded on the outer wall of the insertion pipe (85) above the rotating pipe (75), the top end of the rotating pipe (75) is inserted into the sleeve (86), the outer wall of the insertion pipe (85) inside the stirring box (1) is provided with first spraying pipes (89) in a distributed and penetrating mode, the outer wall of the bottom end of each first spraying pipe (89) is provided with second spraying pipes (810) in a distributed and penetrating mode, the outer wall of each second spraying pipe (810) is symmetrically provided with spraying holes (811) in a penetrating mode, an elastic rubber sleeve (812) is sleeved and fixed on the outer wall of the elastic rubber sleeve (812) above the spraying holes (811), and a hydraulic cylinder (83) is fixedly arranged on the outer wall of the second mounting frame (81) above the feeding cylinder (82), and a piston (84) is fixedly arranged on the bottom end of a telescopic shaft of the hydraulic cylinder (83) in the feeding cylinder (82).
5. The process for producing a phenolic foam according to claim 4, wherein: and a filler pipe (5) is welded on the outer wall of one side of the feeding cylinder (82) in a penetrating way.
6. The process for producing a phenolic foam according to claim 4, wherein: the guide rod (10) are symmetrically welded on the outer wall of the top end of the piston (84), the guide hole (11) is formed in the outer wall of the second mounting rack (81) in a penetrating mode corresponding to the guide rod (10), and the guide rod (10) penetrates through one end of the outer portion of the guide hole (11) and is welded with a stop block.
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| CN202110415070.3A CN112940207A (en) | 2021-04-17 | 2021-04-17 | Phenolic plastic foam and production process thereof |
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| CN202110415070.3A CN112940207A (en) | 2021-04-17 | 2021-04-17 | Phenolic plastic foam and production process thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114407268A (en) * | 2021-12-07 | 2022-04-29 | 四川安美达节能科技有限公司 | Foam heat preservation and decoration integrated board production device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4698370A (en) * | 1985-04-25 | 1987-10-06 | Sumitomo Durez Company, Ltd. | Production of phenolic resin composite foam |
| CN105732923A (en) * | 2014-12-11 | 2016-07-06 | 苏州美克思科技发展有限公司 | Preparation method of low acidic phenolic foam insulation material |
| CN106732000A (en) * | 2016-12-27 | 2017-05-31 | 郑州吉音动漫科技有限公司 | A kind of mixing plant of the convenient cleaning for adhesive production |
| CN206315786U (en) * | 2016-12-19 | 2017-07-11 | 温州市泰昌胶粘制品有限公司 | A kind of mixing plant of the convenient cleaning produced for adhesive |
| CN108816110A (en) * | 2018-07-27 | 2018-11-16 | 宋胜利 | A kind of efficient anti-sticking blender of sewage-treating agent preparation |
| CN208742392U (en) * | 2018-07-27 | 2019-04-16 | 宋胜利 | A kind of efficient anti-sticking blender of sewage-treating agent preparation |
| CN110041479A (en) * | 2019-04-08 | 2019-07-23 | 太尔化工（南京）有限公司 | A kind of preparation of novel super absorbent phenolic aldehyde flower mud resin and application method |
-
2021
- 2021-04-17 CN CN202110415070.3A patent/CN112940207A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4698370A (en) * | 1985-04-25 | 1987-10-06 | Sumitomo Durez Company, Ltd. | Production of phenolic resin composite foam |
| CN105732923A (en) * | 2014-12-11 | 2016-07-06 | 苏州美克思科技发展有限公司 | Preparation method of low acidic phenolic foam insulation material |
| CN206315786U (en) * | 2016-12-19 | 2017-07-11 | 温州市泰昌胶粘制品有限公司 | A kind of mixing plant of the convenient cleaning produced for adhesive |
| CN106732000A (en) * | 2016-12-27 | 2017-05-31 | 郑州吉音动漫科技有限公司 | A kind of mixing plant of the convenient cleaning for adhesive production |
| CN108816110A (en) * | 2018-07-27 | 2018-11-16 | 宋胜利 | A kind of efficient anti-sticking blender of sewage-treating agent preparation |
| CN208742392U (en) * | 2018-07-27 | 2019-04-16 | 宋胜利 | A kind of efficient anti-sticking blender of sewage-treating agent preparation |
| CN110041479A (en) * | 2019-04-08 | 2019-07-23 | 太尔化工（南京）有限公司 | A kind of preparation of novel super absorbent phenolic aldehyde flower mud resin and application method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114407268A (en) * | 2021-12-07 | 2022-04-29 | 四川安美达节能科技有限公司 | Foam heat preservation and decoration integrated board production device |
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Application publication date: 20210611 |