CN110041479A - A kind of preparation of novel super absorbent phenolic aldehyde flower mud resin and application method - Google Patents
A kind of preparation of novel super absorbent phenolic aldehyde flower mud resin and application method Download PDFInfo
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- 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
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- 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
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/141—Hydrocarbons
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- 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
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/143—Halogen containing compounds
- C08J9/144—Halogen containing compounds containing carbon, halogen and hydrogen only
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- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
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- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
- C08J2203/142—Halogenated saturated hydrocarbons, e.g. H3C-CF3
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- 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
- C08J2361/08—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols with monohydric phenols
- C08J2361/10—Phenol-formaldehyde condensates
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- Phenolic Resins Or Amino Resins (AREA)
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Abstract
The invention belongs to macromolecule resins to synthesize field, disclose it is a kind of carry out the method that polycondensation reaction prepares high-hydroscopicity phenolic aldehyde flower mud by foaming process using formalin and phenol, which is mainly used in that fresh flower is fresh-keeping and the fields such as plant culture.Preparation process is as follows: (1) being added at one time phenol, catalyst into flask, formalin is added portionwise at 50 ~ 55 DEG C, 60 ~ 65 DEG C are to slowly warm up to after adding；(2) temperature control keeps the temperature 1 ~ 2 hour at 60 ~ 65 DEG C, is warming up to 80 ~ 85 DEG C of reactions；(3) be condensed to it is expected it is water-soluble after cool down rapidly and a certain amount of urea, 40 DEG C of 1 ~ 2h of insulated and stirred be added.(4) pH=7 are adjusted with acid, are cooled to 20 DEG C rapidly after vacuum distillation dehydration to required viscosity.(5) foaming agent, surfactant, bleeding agent, pigment, acid acceptor etc. is proportionally added in above-mentioned resin, stirred evenly；(6) a certain amount of mixed curing agent is added into hybrid resin, pours into 40 ~ 50 DEG C of foam box and foams after mixing evenly immediately.
Description
Technical field
The invention belongs to the synthesis of macromolecule phenolic resin and application fields, and in particular to a kind of novel super absorbent phenolic aldehyde flower
The preparation of mud resin and application method.
Background technique
Absorbent polymer polymer has the characteristic for absorbing and keeping large quantity of moisture, thus is widely used in medical treatment, shield
The fields such as skin product, amenities, agricultural.Recently as fresh flower, the green development for planting industry, plant is cultivated as substrate using phenolic aldehyde flower mud
The features such as object seedling is simple, low in cost, seedling percent is high, and root system is intact, and implantation rate is high.It is fresh for storage and transport
Flower, can extend the service life of fresh flower, improve the appreciation effect of fresh flower, practical value with higher and huge market prospects.
Phenolic aldehyde flower mud is to be invented by American Smithers Oasis in 1954, and usage is simple, i.e., suctions it naturally into the water
Water takes out after sinking under water, then is placed in container, then arranges flowers.Flower material so was not only fixed, but also can moisturizing and flexible and convenient.
So far, phenolic aldehyde flower mud worldwide largely uses, and the country has also carried out largely imitated very early.
But flower is produced since most domestic producer still uses the paraformaldehyde to do the method for expandable phenolic resin
The disadvantages of mud, poor product quality, highly brittle and easy picking, reusability is poor.Although Some Domestic research worker does
The defects of a large amount of improvement, but still can't resolve the water suction of phenolic aldehyde flower mud, poor water retention property, intensity is low, the fresh flower time-to-live is short,
The level of foreign brand name Oasis is not achieved, therefore the invention is intended to shorten domestic and international product gap, makes and foreign countries Oasis
The product of phase homogenous quantities.
Summary of the invention
In order to when overcoming that current phenolic resin flower mud water retention is low, water absorption rate is low, side wall strength is low, to burn root, fresh flower fresh-keeping
Between it is short, reusing is poor the disadvantages of, the present invention provides the preparations and application of a kind of novel super absorbent phenolic aldehyde flower mud resin
Method.
The technical solution adopted in the present invention is as follows:
A kind of preparation of novel super absorbent phenolic aldehyde flower mud resin and application method, it is characterised in that by phenol, formalin, alkali
Property catalyst, by changing formaldehyde feeding mode, the mol ratio of raw material carries out polycondensation reaction stage by stage, and control polycondensation is whole
Point water-soluble, viscosity, free-phenol, free formaldehyde equal size, adjust pH after again by decompression dehydration to need viscosity be this
Phenolic resin needed for preparing high-hydroscopicity phenolic aldehyde flower mud provided by invention.It is just finally produced by next step foam process
Product high-hydroscopicity phenolic aldehyde flower mud.
A kind of preparation of novel super absorbent phenolic aldehyde flower mud resin of the present invention and application method are specific as follows:
(1) phenol, dilution water, alkalinity are added in the 3L four-hole boiling flask with blender, thermometer, condenser pipe and constant pressure funnel
Catalyst, stirring increase temperature to 50 ~ 55 DEG C.
(2) 50 ~ 55 DEG C start to be added dropwise formalin, 1 ~ 1.5h of time for adding, be added dropwise to complete allow exothermic reaction be warming up to 60 ~
65 DEG C of 1 ~ 2h of insulation reaction.Heat preservation terminates, and continues to be warming up to 80 ~ 85 DEG C and be reacted.
(3) polycondensation process constantly detects water-soluble, it is contemplated that when water-soluble arrival 0.5 ~ 2.5, is cooled to 35 ~ 40 DEG C at once simultaneously
Formaldehyde catching agent is added and is adjusted with acid pH=6.8~7,1 ~ 2h of stirring heat preservation.
(4) 40 ~ 50 DEG C vacuum distillation, until viscosity be 4500 ~ 5500cps(25 DEG C) to get arrive phenol provided by the present invention
Urea formaldehyde.
(5) foaming agent, surfactant, bleeding agent, pigment, acidity is proportionally added in the phenolic resin of above-mentioned synthesis
Neutralizer etc., high-speed stirred are uniformly mixed, and the temperature for adjusting mixed liquor is 20 ~ 25 DEG C；
(6) mixed liquors such as a certain amount of p-methyl benzenesulfonic acid, phenolsulfonic acid, phosphoric acid are added in Xiang Shangshu mixed resin liquid, immediately high speed
It pours into 40 ~ 50 DEG C of foam box and foams after mixing evenly.
(7) foaming is completed to obtain high-hydroscopicity phenolic resin flower mud provided by the present invention.
Basic catalyst used in a kind of preparation of above-mentioned novel super absorbent phenolic aldehyde flower mud resin and application method is
NaOH, CaO or Ba (OH)2One of.
Polycondensation end is judged used in a kind of preparation of above-mentioned novel super absorbent phenolic aldehyde flower mud resin and application method
Index is the water-soluble or viscosity of 25 DEG C of measurements.
Resin pH institute is adjusted used in a kind of preparation of above-mentioned novel super absorbent phenolic aldehyde flower mud resin and application method
Acid is one of sulfuric acid, p-methyl benzenesulfonic acid, formic acid, oxalic acid, hydrochloric acid.
Foaming agent used in a kind of preparation of above-mentioned novel super absorbent phenolic aldehyde flower mud resin and application method is isoamyl
One of alkane, pentane, a fluorine dichloroethanes (HCFC-141b), petroleum ether (30 ~ 60 DEG C of boiling ranges) or n-hexane are a variety of.
Surfactant used in a kind of preparation of above-mentioned novel super absorbent phenolic aldehyde flower mud resin and application method is
One of OFX-1930, Tween-80, DC-193, castor oil, neopelex or a variety of compoundings.
Curing agent used in a kind of preparation of above-mentioned novel super absorbent phenolic aldehyde flower mud resin and application method is to first
Benzene sulfonic acid, phenol sulfonic acid, phosphoric acid mixed acid.
Acid acceptor used in a kind of preparation of above-mentioned novel super absorbent phenolic aldehyde flower mud resin and application method is
Alkaline metal oxide or hydroxide, such as: Mg (OH)2、Al(OH)3、CaO、Al2O3Deng
Compared with existing flower mud is with phenolic resin synthesis and resin application technology, phenolic resin provided by the present invention is synthesized and is answered
It is as follows with method advantage:
(1) present invention uses liquid formaldehyde, avoids bringing exothermic heat of reaction not easy to control using solid polyformaldehyde, causes product matter
Amount declines and increases the risk of production accident.
(2) present invention adds urea using by optimization phenol and formaldehyde proportion to absorb the method for formaldehyde utmostly
Reduce actual bodily harm caused by free formaldehyde environmental pollution and operator.
(3) high-hydroscopicity phenolic aldehyde flower mud provided by the present invention water absorption rate with higher and Water-saving effect, and due to
Acid acceptor is added, causes pH to reduce the damage problem brought to fresh flower and root system of plant, maximum journey after water suction will not be generated
The resting period of the extension fresh flower of degree and the survival rate of plant.
(4) phenolic aldehyde flower mud provided by the present invention has preferable intensity, repeated multiple times can use, avoiding once makes
With the bring wasting of resources.
Detailed description of the invention
Fig. 1 is phenolic resin molecular structure type map provided by the present invention；
Fig. 2 is the NMR of phenolic resin provided by the present invention13C spectrogram；
Fig. 3 is the GPC spectrogram of phenolic resin provided by the present invention；
Fig. 4 is the DSC spectrogram of phenolic resin provided by the present invention；
Fig. 5 is the FT-IR spectrogram of phenolic resin provided by the present invention.
Specific embodiment
For a better understanding of the invention, the present invention is described in detail combined with specific embodiments below.The present invention is wanted
The range of protection is asked to be not limited to the range that embodiment is shown.
Embodiment 1
(1) with blender, thermometer, condenser pipe and constant pressure funnel 3L four-hole boiling flask in be added 2.36kg phenol (99%),
30g NaOH solution (50%), stirring are warming up to 50 ~ 55 DEG C and start that 2.3kg formalin (54%) is added dropwise, and time for adding 1h is added dropwise
Completion allows exotherm to 60 ~ 65 DEG C of insulation reaction 1h.Heat preservation terminates, and continues to be warming up to 80 ~ 85 DEG C.Polycondensation process detects water
It is molten, it is contemplated that it is water-soluble when reaching 0.5, it is cooled to 35 ~ 40 DEG C at once while urea is added and with sulphur acid for adjusting pH=6.8 ~ 7,40 ~ 50
DEG C vacuum distillation to viscosity be 4500 ~ 5500cps(25 DEG C) to get arrive phenolic resin provided by the present invention.
(2) above-mentioned phenolic resin 650g is taken, pentane 45g, neopelex 2.2g, bleeding agent 6g, table is added
Face activating agent DOW CORNING OFX-0193 12g, pigment 6g, Mg (OH)2 15g, high-speed stirred be uniformly mixed and adjust temperature to 20 ~
23 DEG C, mixing acid as curing agent 93g is rapidly joined in hybrid resin, pours into 40 ~ 50 DEG C of foam box after high-speed stirred 40s immediately
In foam.Wherein mixing acid used in acid as curing agent is toluenesulfonic acid (98%), phenolsulfonic acid (65%), phosphoric acid (85%), proportion
For 25:8:5.
(3) 20 ~ 30min foaming is completed to obtain high-hydroscopicity phenolic resin flower mud provided by the present invention, flower mud density
For 22 ~ 25kg/m3。
Embodiment 2
(1) with blender, thermometer, condenser pipe and constant pressure funnel 3L four-hole boiling flask in be added 2.5kg phenol (99%),
25g NaOH solution (50%), stirring are warming up to 40 ~ 45 DEG C and start to be added at one time 2.2kg formalin (54%), be added dropwise to complete
Allow exotherm to 60 ~ 65 DEG C of insulation reaction 1.5h.Heat preservation terminates, and continues to be warming up to 80 ~ 85 DEG C.Polycondensation process detection is water-soluble,
It is expected that being cooled to 35 ~ 40 DEG C at once when water-soluble arrival 1.0 while urea being added and is subtracted with first acid for adjusting pH=6.8 ~ 7,40 ~ 50 DEG C
Pressure distillation to viscosity be 4500 ~ 5500cps(25 DEG C) to get arrive phenolic resin provided by the present invention.
(2) take above-mentioned phenolic resin 650g, be added isopentane 40g, neopelex 1.8g, bleeding agent 4.5g,
Surfactant DOW CORNING DC-193 10.8g, pigment 6g, Al (OH)3 23g, high-speed stirred are uniformly mixed and adjust temperature to 20
~ 23 DEG C, mixing acid as curing agent 85g is rapidly joined in hybrid resin, pours into 40 ~ 50 DEG C of foaming after high-speed stirred 40s immediately
It foams in case.Wherein mixing acid used in acid as curing agent is toluenesulfonic acid (98%), phenolsulfonic acid (65%), phosphoric acid (85%), is matched
Than for 25:12:2.
(3) 20 ~ 30min foaming is completed to obtain high-hydroscopicity phenolic resin flower mud provided by the present invention, flower mud density
For 22 ~ 25kg/m3。
Embodiment 3
(1) with blender, thermometer, condenser pipe and constant pressure funnel 3L four-hole boiling flask in be added 2.36kg phenol (99%),
40g CaO(99%), stirring is warming up to 50 ~ 55 DEG C and starts that 2.5kg formalin (54%) is added dropwise, and time for adding 1.5h is dripped
At allow exotherm to 60 ~ 65 DEG C of insulation reaction 1.5h.Heat preservation terminates, and continues to be warming up to 80 ~ 85 DEG C.Polycondensation process detects water
It is molten, it is contemplated that it is water-soluble when reaching 1.5, it is cooled to 35 ~ 40 DEG C at once while urea is added and with salt acid for adjusting pH=6.8 ~ 7,40 ~ 50
DEG C vacuum distillation to viscosity be 4500 ~ 5500cps(25 DEG C) to get arrive phenolic resin provided by the present invention.
(2) above-mentioned phenolic resin 650g is taken, HCFC-141b 35g, neopelex 1.5g, bleeding agent is added
4.5g, surfactant castor oil 13g, pigment 6g, CaO 14g, high-speed stirred are uniformly mixed and adjust temperature to 20 ~ 23 DEG C,
Will mixing acid as curing agent 75g rapidly join in hybrid resin, poured into immediately after high-speed stirred 40s in 40 ~ 50 DEG C of foam box into
Row foaming.Wherein mixing acid used in acid as curing agent is toluenesulfonic acid (98%), phenolsulfonic acid (65%), phosphoric acid (85%), matches and is
25:12:8。
(3) 20 ~ 30min foaming is completed to obtain high-hydroscopicity phenolic resin flower mud provided by the present invention, flower mud density
For 22 ~ 25kg/m3。
Embodiment 4
(1) with blender, thermometer, condenser pipe and constant pressure funnel 3L four-hole boiling flask in be added 2.36kg phenol (99%),
30g Ba(OH)2(99%), stirring is warming up to 45 DEG C and starts to be added at one time 2.4kg formalin (54%), time for adding 1h, drop
It adds into and allows exotherm to 60 ~ 65 DEG C of insulation reaction 1.5h.Heat preservation terminates, and continues to be warming up to 80 ~ 85 DEG C.Polycondensation process detection
It is water-soluble, it is contemplated that when water-soluble arrival 2.0, it is cooled to 35 ~ 40 DEG C at once while urea is added and adjusts pH=6.8 ~ 7 with toluenesulfonic acid,
40 ~ 50 DEG C vacuum distillation to viscosity be 4500 ~ 5500cps(25 DEG C) to get arrive phenolic resin provided by the present invention.
(2) take above-mentioned phenolic resin 650g, be added n-hexane 35g, neopelex 1.5g, bleeding agent 4.5g,
Tween-80 12g, pigment 6g, Al2O3 30g, high-speed stirred are uniformly mixed and adjust temperature to 20 ~ 23 DEG C, mixed acid is solidified
Agent 60g is rapidly joined in hybrid resin, is poured into 40 ~ 50 DEG C of foam box and is foamed immediately after high-speed stirred 40s.Wherein mix
Closing acid used in acid as curing agent is toluenesulfonic acid (98%), phenolsulfonic acid (65%), phosphoric acid (85%), is matched as 25:8:2.
(3) 20 ~ 30min foaming is completed to obtain high-hydroscopicity phenolic resin flower mud provided by the present invention, flower mud density
For 22 ~ 25kg/m3。
Embodiment 5
(1) with blender, thermometer, condenser pipe and constant pressure funnel 3L four-hole boiling flask in be added 2.36kg phenol (99%),
28g NaOH(50%), stirring is warming up to 50 ~ 55 DEG C and starts that 2.8kg formalin (54%) is added dropwise, and time for adding 2h is added dropwise to complete
Allow exotherm to 60 ~ 65 DEG C of insulation reaction 2h.Heat preservation terminates, and continues to be warming up to 80 ~ 85 DEG C.Polycondensation process detection is water-soluble, in advance
Count it is water-soluble reach 2.6 when, viscosity 90cps, be cooled to 35 ~ 40 DEG C at once and meanwhile be added urea and with grass acid for adjusting pH=6.8 ~ 7,
40 ~ 50 DEG C vacuum distillation to viscosity be 4500 ~ 5500cps(25 DEG C) to get arrive phenolic resin provided by the present invention.
(2) above-mentioned phenolic resin 650g is taken, petroleum ether (30 ~ 60 DEG C of boiling ranges) 35g, neopelex is added
1.0g, bleeding agent 5g, surfactant DOW CORNING DC-193 8g, Tween-80 6g, pigment 6g, Al (OH)332g, high-speed stirring
It mixes and is uniformly mixed and adjusts temperature to 20 ~ 23 DEG C, mixing acid as curing agent 55g is rapidly joined in hybrid resin, high-speed stirred 40s
It pours into 40 ~ 50 DEG C of foam box and foams immediately afterwards.Wherein mixing acid used in acid as curing agent is toluenesulfonic acid (98%), benzene
Phenol sulfonic acid (65%), phosphoric acid (85%), match as 25:2:15.
(3) 20 ~ 30min foaming is completed to obtain high-hydroscopicity phenolic resin flower mud provided by the present invention, flower mud density
For 22 ~ 25kg/m3。
Embodiment described above be a kind of novel super absorbent phenolic aldehyde flower mud resin provided by the invention preparation and
The specific embodiment of application method, embodiment of the present invention are not limited to the above embodiment.
Claims (6)
1. preparation and the application method of a kind of novel super absorbent phenolic aldehyde flower mud resin, it is characterised in that: the phenolic resin is
Polycondensation reaction is carried out under basic catalyst, certain temperature by phenol and formalin, passes through the water in control reaction process
Molten, viscosity, to control polycondensation reaction terminal, using obtaining prepared phenolic aldehyde tree after vacuum distillation dehydration to required viscosity
Rouge, shown in the following attached drawing 1 of molecular structure type.
2. preparation and the application method of a kind of novel super absorbent phenolic aldehyde flower mud resin, it is characterised in that: synthesized by claim 1
Phenolic resin and a certain proportion of foaming agent, surfactant, bleeding agent, pigment, acid acceptor etc. add after mixing
Enter and foams in the mold for pouring into specific temperature after a certain proportion of mixing acid curing agent is stirred, it is completely solid to resin
High-hydroscopicity phenolic aldehyde flower mud is obtained after change.
3. a kind of preparation of provided novel super absorbent phenolic aldehyde flower mud resin and application method according to claim 1, special
Sign is to include following operating procedure: under alkaline condition, by phenol, formalin, catalyst in advance in 50 ~ 65 DEG C of progress hydroxyls
Methylation is increased to specific temperature later and carries out polycondensation reaction, and a certain amount of urea is added after reaching reaction end, adjusts pH in
Property, vacuum distillation dehydration to required viscosity, the i.e. phenolic resin of structure type shown in generation claim 1.
4. according to claim 1, a kind of preparation of novel super absorbent phenolic aldehyde flower mud resin provided by 2 and application method,
Provided by being characterized in that specific steps are as follows:
(1) phenolic resin synthesizes: under the conditions of basic catalyst, by phenol, basic catalyst and formalin in advance first
Methylolation is carried out at 50 ~ 65 DEG C of elementary reaction temperature.After exothermic heat of reaction is stablized, second stage reaction temperature is increased the temperature to
80 ~ 85 DEG C of progress polycondensations, polycondensation process need that continuous sample detection resin is water-soluble, viscosity, fast after water-soluble needed for estimated reach
Prompt drop temperature detects free formaldehyde content and puts into urea and stirring and dissolving, 40 DEG C of heat preservation 1-2h according to free formaldehyde content, then uses
Acid adjusts resin pH=7, obtains the required phenolic resin that foams described in claim 1 by decompression dehydration to required viscosity.
(2) prepared by high-hydroscopicity phenolic aldehyde flower mud: by the foaming of phenolic resin and special ratios synthesized by (1) in claim 4
Agent, surfactant, bleeding agent, pigment, acid acceptor etc. are mixed evenly, and a certain amount of mixing acid curing agent is added
It pours into 50 DEG C of foam box and foams after mixing evenly immediately, foaming is completed to obtain high water absorption described in claim 1
Property phenolic aldehyde flower mud.
5. preparation and the application method of a kind of novel super absorbent phenolic aldehyde flower mud resin according to provided by claim 4, special
Sign is: basic catalyst used in step (1) is NaOH, CaO or Ba (OH)2One of；Step (1) catalyst is added
Mode is repeatedly to be added or be continuously added dropwise in batches；Formaldehyde used in step (1) is 40 ~ 50% concentration formalins, adding manner
To be added at one time or being continuously added dropwise；Step (1) formaldehyde and phenol molar ratio are (1.5 ~ 3.5): (1 ~ 2), reaction solution
Basicity is 0.1 ~ 0.5%.Step (1) the first stage reaction temperature is 50 ~ 60 DEG C, and the reaction time is 1 ~ 2h；Second stage is anti-
Answering temperature is 80 ~ 85 DEG C, and the reaction time is 3 ~ 5h, and it is 0.5 ~ 2.5 that polycondensation end is water-soluble, viscosity is 60 ~ 100cps (25 DEG C).Step
Suddenly it is one of sulfuric acid, hydrochloric acid, formic acid, oxalic acid that (1), which adjusts acid used in resin pH,.
Foaming agent used in step (2) is one of pentane, isopentane or n-hexane or a variety of；Table used in step (2)
Face activating agent is one of OFX-1930, DC-193, Tween-80, castor oil, neopelex or a variety of compoundings；
Curing agent used in step (2) is the mixed acid of p-methyl benzenesulfonic acid, phenol sulfonic acid, phosphoric acid；Step (2) the foam box temperature 40 ~
50 DEG C, foamed time is 10 ~ 30min；Step (2) phenolic resin, foaming agent, surfactant, bleeding agent, pigment, acid
Property neutralizer, curing agent mass ratio be (28 ~ 35): (1.5 ~ 2.5): (0.5 ~ 1): (0.5 ~ 1): (0.5 ~ 4): (0.3 ~ 2):
(2.1~6)；Step (2) the acid curing agent p-methyl benzenesulfonic acid, phenol sulfonic acid, the proportion of phosphoric acid are (20 ~ 28): (2 ~ 12): (2 ~
15)。
6. a kind of preparation of provided novel super absorbent phenolic aldehyde flower mud resin and application method according to claim 1, special
Sign is: the novel super absorbent phenolic aldehyde flower mud of the preparation is applied to fresh flower mud for inserting flowers, green plant transport, fresh-keeping, plant without soil
The fields such as cultivation.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112538232A (en) * | 2019-09-20 | 2021-03-23 | 河北汇亚花泥专用设备制造股份有限公司 | Foam material for cold insulation, manufacturing method thereof and cold insulation bag |
| CN112940207A (en) * | 2021-04-17 | 2021-06-11 | 肖海风 | Phenolic plastic foam and production process thereof |
| CN115093521A (en) * | 2022-06-24 | 2022-09-23 | 彤程电子材料(镇江)有限公司 | Industrial production method of phenolic resin |
| CN115650674A (en) * | 2022-11-03 | 2023-01-31 | 王爱华 | Flower mud and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112538232A (en) * | 2019-09-20 | 2021-03-23 | 河北汇亚花泥专用设备制造股份有限公司 | Foam material for cold insulation, manufacturing method thereof and cold insulation bag |
| CN112940207A (en) * | 2021-04-17 | 2021-06-11 | 肖海风 | Phenolic plastic foam and production process thereof |
| CN115093521A (en) * | 2022-06-24 | 2022-09-23 | 彤程电子材料(镇江)有限公司 | Industrial production method of phenolic resin |
| CN115650674A (en) * | 2022-11-03 | 2023-01-31 | 王爱华 | Flower mud and preparation method thereof |
| CN115650674B (en) * | 2022-11-03 | 2023-09-26 | 广东京武新材料科技有限公司 | Flower mud and preparation method thereof |
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