CN110041865A - A kind of agricultural cotton environmentally-friephenolic phenolic resin adhesive - Google Patents
A kind of agricultural cotton environmentally-friephenolic phenolic resin adhesive Download PDFInfo
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- CN110041865A CN110041865A CN201910292864.8A CN201910292864A CN110041865A CN 110041865 A CN110041865 A CN 110041865A CN 201910292864 A CN201910292864 A CN 201910292864A CN 110041865 A CN110041865 A CN 110041865A
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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
- 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
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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
- 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
- C08G14/12—Chemically modified polycondensates
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J161/00—Adhesives based on condensation polymers of aldehydes or ketones; Adhesives based on derivatives of such polymers
- C09J161/34—Condensation polymers of aldehydes or ketones with monomers covered by at least two of the groups C09J161/04, C09J161/18 and C09J161/20
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- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The present invention relates to adhesive technology fields, and disclose a kind of agricultural cotton environmentally-friephenolic phenolic resin adhesive, it comprises the following components in parts by weight, 10-50 parts of phenol, 20-80 parts of formaldehyde, 0.5-20 parts of basic catalyst, 2-20 parts of urea, 2-20 parts of hydrophilic agent, 10-50 parts of water, 2-20 parts of alcohols, basic catalyst is caustic soda, alcohols is glycerol or ethylene glycol, hydrophilic agent is dimethylolpropionic acid, preparation method includes the following steps, phenol, formaldehyde, basic catalyst, alcohols and water are sequentially added into reaction kettle by design flow, are gradually warming up to 50-80 DEG C；3-8 hours are kept the temperature at 50-80 DEG C；Cooling is opened, and the urea and hydrophilic agent of design flow is added, in 25 DEG C of following temperature, is continuously stirred 3-5 hours.The agricultural cotton environmentally-friephenolic phenolic resin adhesive, has high-intensitive, high-hydrophilic and a flexibility, and the characteristic of the low aldehyde of low phenol meets environmentally protective requirement.
Description
Technical field
The present invention relates to adhesive technology field, specially a kind of agricultural cotton environmentally-friephenolic phenolic resin adhesive.
Background technique
Agricultural cotton is a kind of matrix of soilless cultivation, has good gas permeability and water-retaining property, sterile, pollution-free.Industry
Heat-preservation cotton and agricultural cotton are different application field " double brothers ", but their use function is different, select in raw material, process work
Skill, internal structure etc. has marked difference, therefore produces the agricultural rock wool emphasized in cultivation using profession, opposes recruitment
Industry rock wool replaces.
Agricultural cotton is plus the slag after a small amount of ironmaking by about 60% basalt, 20% coke, 20% lime stone through high temperature melting
Melt, reel off raw silk from cocoons, finally weave, be compressed into specific density after cut again.It joined in fabrication processes a kind of with surface parent
The binder of water effect, long-time is indeformable after being able to maintain rock wool immersion, and has good hydrophily.Industrial heat preservation cotton is only
It is that general binder is added, it cannot be guaranteed that it is constant to be used for a long time rear indeformable and porosity, without any additive, hydrophily
Not as good as agricultural cotton.Compared with the bulk density of industrial 80 ~ 150k/cm3 of rock wool, agricultural rock wool bulk density is smaller, generally in 60 ~ 80kg/cm3
Between, therefore its porosity is higher, wherein the hole of the fiber of 3% volume and 97% volume.
For the chemical property of rock wool generally in alkalinity, agricultural cotton can adjust pH value, but industry after the immersion of acidotrophy liquid
PH value adjusts less after heat-preservation cotton is impregnated with acidotrophy liquid, and the toxic action in basic group confrontation seedling period is very big, among these
What is played a crucial role is exactly binder.Most of currently on the market is all industrial heat preservation cotton phenolic resin adhesive, such glue
Intensity, hydrophily and the flexibility of glutinous agent do not comply with the requirement of agricultural cotton adhesive, and first of dissociating contained in adhesive
Aldehyde is higher, does not meet environmentally protective requirements of the times, the present invention is directed to develop it is a it is novel, agricultural cotton is dedicated, environmentally protective
Phenolic resin adhesive, has high-intensitive, high-hydrophilic and a flexibility, the feature of the low aldehyde of low phenol.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of agricultural cotton environmentally-friephenolic phenolic resin adhesive, have it is high-intensitive,
The advantages of high-hydrophilic and flexibility, low phenol low aldehyde, solving most of currently on the market is all industrial heat preservation cotton with phenolic aldehyde tree
Rouge adhesive, intensity, hydrophily and the flexibility of such adhesive do not comply with the requirement of agricultural cotton adhesive, and adhesive
Contained in free formaldehyde it is higher, the problem of not meeting environmentally protective requirements of the times.
(2) technical solution
To realize high-intensitive, high-hydrophilic and flexibility, the purpose of the low aldehyde of low phenol, the invention provides the following technical scheme: a kind of
Agricultural cotton environmentally-friephenolic phenolic resin adhesive, comprises the following components in parts by weight, 10-50 parts of phenol, 20-80 parts of formaldehyde, alkalinity
0.5-20 parts of catalyst, 2-20 parts of urea, 2-20 parts of hydrophilic agent, 10-50 parts of water, 2-20 parts of alcohols.
Further, the basic catalyst is caustic soda.
Further, the alcohols is glycerol or ethylene glycol.
Further, the hydrophilic agent is dimethylolpropionic acid.
The present invention also provides a kind of agricultural cotton preparation methods of environmentally-friephenolic phenolic resin adhesive, include the following steps,
S1: phenol, formaldehyde, basic catalyst, alcohols and water are sequentially added into reaction kettle by design flow, are gradually warming up to 50-80
℃；
S2: 3-8 hours are kept the temperature at 50-80 DEG C；
S3: cooling is opened, and the urea and hydrophilic agent of design flow is added, in 25 DEG C of following temperature, is continuously stirred 3-5 hours.
It is used to prepare the agricultural cotton reaction kettle of environmentally-friephenolic phenolic resin adhesive, including autoclave body the present invention also provides a kind of,
The inner top of the autoclave body is fixedly connected with agitator, and the upper surface of the autoclave body is fixedly connected with motor support frame, the electricity
The inside of machine support frame is fixedly connected with stirring motor, and the output end of the stirring motor is fixedly connected with stirring by shaft coupling
The upper surface of autoclave body is run through in the bottom of bar, the stirring rod, and extends to the inside of agitator, and the stirring rod is located at agitator
Internal side is fixedly connected sequentially has the first limited block, the second limited block and third limited block from top to bottom, first limit
Restraining position ring block is set between position block and the second limited block, is provided with loose collar between second limited block and third limited block,
The stop collar is rotatably connected on stirring rod by bearing, and the loose collar is threaded on stirring rod, the stop collar
Two sides be also fixedly connected with fixed link, the fixed link is fixedly connected on the inner wall of agitator far from the side of stirring rod,
Symmetrically arranged two first connecting rods are also fixedly connected on the stop collar, the bottom end of two first connecting rods is cut with scissors
It is connected to the first hinge bar, the bottom of first hinge bar is hinged with the second hinge bar, is fixedly connected on the loose collar pair
Claim two the second connecting rods of setting, the top of two second connecting rods is hinged with the second hinge bar.
Further, it is fixedly connected with multiple ring pipes on the inner sidewall of the autoclave body, passes through company between multiple ring pipes
Siphunculus is connected, and the inside fixation of ring pipe is communicated with atomizer, and the two sides of one of ring pipe have been respectively communicated with first
Water pipe and the second water pipe, the side wall of autoclave body is run through in the one end of first water pipe and the second water pipe far from ring pipe, and extends
To the outside of autoclave body, fixation is communicated with the first water pump and second respectively for one end of first water pipe and the second water pipe stretching autoclave body
The water inlet end of water pump, first water pump and the second water pump passes through third water pipe respectively and is communicated with boiler and cold water storage cistern.
Further, the bottom of the agitator is fixed is communicated with discharge nozzle, and autoclave body is run through in the bottom end of the discharge nozzle, and
The outside of autoclave body is extended to, and is fixedly connected with first switch valve, the bottom fixation of the autoclave body is communicated with drainpipe, described
Second switch valve is installed on drainpipe.
Further, stirring blade is fixedly connected on the outer wall of first hinge bar and the second hinge bar.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of agricultural cotton environmentally-friephenolic phenolic resin adhesives, have following beneficial to effect
Fruit:
1, the agricultural cotton environmentally-friephenolic phenolic resin adhesive, by phenol, formaldehyde, basic catalyst, urea, hydrophilic agent, water and
For alcohols as phenolic resin adhesive made of component reaction, adhesion strength height, hydrophily and flexibility are good, and dissociate in product
For phenol less than 1%, the aldehyde that dissociates has reached environmentally protective requirement less than 0.5%, can be to stirring by the design of novel reaction kettle
The internal reactive component of bucket carries out full and uniform stirring, then passes through ring pipe thereon, atomizer, the first water pipe, the
Heat can be added to the inside of autoclave body in the setting of two water pipes, the first water pump, the second water pump, third water pipe, boiler and cold water storage cistern
Water realizes the heating and heat preservation to agitator, and when needing to cool down to agitator, hot water can also be discharged by drainpipe, and
Cold water is added to the inside of autoclave body, is uniformly sprayed onto cold water on agitator by atomizer, realizes to its fast cooling, into
And make the production of adhesive more stable.
Detailed description of the invention
Fig. 1 is a kind of structure for the reaction kettle for being used to prepare agricultural cotton environmentally-friephenolic phenolic resin adhesive proposed by the present invention
Schematic diagram；
Fig. 2 is the portion A in a kind of Fig. 1 for the reaction kettle for being used to prepare agricultural cotton environmentally-friephenolic phenolic resin adhesive proposed by the present invention
Partial structurtes enlarged drawing.
In figure: 1 autoclave body, 2 agitators, 3 motor support frames, 4 stirring motors, 5 stirring rods, 6 first limited blocks, 7 second limits
Position block, 8 third limited blocks, 9 stop collars, 10 loose collars, 11 fixed links, 12 first connecting rods, 13 first hinge bars, 14 second hinges
Extension bar, 15 second connecting rods, 16 ring pipes, 17 communicating pipes, 18 first water pipes, 19 second water pipes, 20 first water pumps, 21 second water
Pump, 22 boilers, 23 cold water storage cisterns, 24 discharge nozzles, 25 first switch valves, 26 stirring blades, 27 drainpipes, 28 second switch valves,
29 atomizers.
Specific embodiment
The invention discloses a kind of agricultural cotton environmentally-friephenolic phenolic resin adhesive, those skilled in the art can be used for reference herein
Content is suitably modified realization of process parameters.It is important to note that all similar substitutions and modifications are to those skilled in the art
It is it will be apparent that they are considered as being included in the present invention for member.Preparation method of the invention, which has passed through, preferably to be implemented
Example is described, related personnel obviously can not depart from the content of present invention, in spirit and scope to preparation side as described herein
Method is modified or appropriate changes and combinations, carrys out implementation and application the technology of the present invention.Based on the embodiments of the present invention, this field
Those of ordinary skill's every other embodiment obtained without making creative work, belongs to protection of the present invention
Range.Below with reference to embodiment, the present invention is further explained.
Embodiment 1
A kind of agricultural cotton environmentally-friephenolic phenolic resin adhesive, comprises the following components in parts by weight, 10-50 parts of phenol, formaldehyde 20-80
Part, 0.5-20 parts of basic catalyst, 2-20 parts of urea, 2-20 parts of hydrophilic agent, 10-50 parts of water, 2-20 parts of alcohols, the alkalinity is urged
Agent is caustic soda, and the alcohols is glycerol, and the hydrophilic agent is dimethylolpropionic acid, and preparation method is,
S1: sequentially adding reaction kettle for 20 parts of phenol, 35 parts of formaldehyde, 1.5 parts of caustic soda, 6 parts of glycerol and 20 parts of water,
Gradually it is warming up to 65 DEG C；
S2: 4 hours are kept the temperature at 65 DEG C；
S3: maximum cooling is opened, and 10 parts of urea and 7.5 parts of dimethylolpropionic acid is added, in 25 DEG C of following temperature, continuously
Stirring can go out kettle in 3-4 hours.
Embodiment 2
A kind of agricultural cotton environmentally-friephenolic phenolic resin adhesive, comprises the following components in parts by weight, 10-50 parts of phenol, formaldehyde 20-80
Part, 0.5-20 parts of basic catalyst, 2-20 parts of urea, 2-20 parts of hydrophilic agent, 10-50 parts of water, 2-20 parts of alcohols, the alkalinity is urged
Agent is caustic soda, and the alcohols is glycerol, and the hydrophilic agent is dimethylolpropionic acid, and preparation method is,
S1: 15 parts of phenol, 30 parts of formaldehyde, 1.0 parts of caustic soda, 10 parts of ethylene glycol and 20 parts of water are sequentially added into reaction
Kettle is gradually warming up to 70 DEG C；
S2: 3.5 hours are kept the temperature at 70 DEG C；
S3: maximum cooling is opened, and 9 parts of urea of addition and 5 parts of dimethylolpropionic acid are continuously stirred in 25 DEG C of following temperature
Kettle can be gone out by mixing 3-4 hours.
Referring to Fig. 1-Fig. 2, the reaction of environmentally-friephenolic phenolic resin adhesive of agricultural cotton is used to prepare the present invention also provides a kind of
Kettle, including autoclave body 1, the inner top of the autoclave body 1 are fixedly connected with agitator 2, and the upper surface of the autoclave body 1 is fixedly connected with electricity
Machine support frame 3, the inside of the motor support frame 3 are fixedly connected with stirring motor 4, and the output end of the stirring motor 4 passes through
Shaft coupling is fixedly connected with stirring rod 5, and the upper surface of autoclave body 1 is run through in the bottom of the stirring rod 5, and extends to agitator 2
Inside, the side that the stirring rod 5 is located inside agitator 2 is fixedly connected sequentially from top to bottom the first limited block 6, second limit
Restraining position ring block 9, second limit is arranged in position block 7 and third limited block 8 between first limited block 6 and the second limited block 7
Loose collar 10 is provided between block 7 and third limited block 8, the stop collar 9 is rotatably connected on stirring rod 5 by bearing, institute
It states loose collar 10 to be threaded on stirring rod 5, the two sides of the stop collar 9 are also fixedly connected with fixed link 11, the fixation
Bar 11 is fixedly connected on the inner wall of agitator 2 far from the side of stirring rod 5, is also fixedly connected on the stop collar 9 symmetrical
Two first connecting rods 12 being arranged, the bottom end of two first connecting rods 12 are hinged with the first hinge bar 13, and described
The bottom of one hinge bar 13 is hinged with the second hinge bar 14, and symmetrically arranged two second are fixedly connected on the loose collar 10
Connecting rod 15, the top of two second connecting rods 15 are hinged with the second hinge bar 14.
It is fixedly connected with multiple ring pipes 16 on the inner sidewall of the autoclave body 1, passes through communicating pipe between multiple ring pipes 16
17 are connected, and the inside fixation of ring pipe 16 is communicated with atomizer 29, and the two sides of one of ring pipe 16 have been respectively communicated with
First water pipe 18 and the second water pipe 19, first water pipe 18 and the second water pipe 19 run through autoclave body far from one end of ring pipe 16
1 side wall, and the outside of autoclave body 1 is extended to, one end of first water pipe 18 and the second water pipe 19 stretching autoclave body 1 is fixed respectively
It is communicated with the first water pump 20 and the second water pump 21, the water inlet end of first water pump 20 and the second water pump 21 passes through third water respectively
Pipe is communicated with boiler 22 and cold water storage cistern 23.
The bottom of the agitator 2 is fixed to be communicated with discharge nozzle 24, and autoclave body 1 is run through in the bottom end of the discharge nozzle 24, and prolongs
The outside of autoclave body 1 is extended to, and is fixedly connected with first switch valve 25, the bottom fixation of the autoclave body 1 is communicated with drainpipe 27, institute
It states and second switch valve 28 is installed on drainpipe 27.
Stirring blade 26 is fixedly connected on the outer wall of first hinge bar 14 and the second hinge bar 15.
In conclusion by phenol, formaldehyde, basic catalyst, urea, hydrophilic agent, water and alcohols as component reaction system
At phenolic resin adhesive, adhesion strength is high, hydrophily and flexibility are good, and for free phenol less than 1%, the aldehyde that dissociates is small in product
In 0.5%, reach environmentally protective requirement, it, can be to the reactive component inside agitator 2 by the design of novel reaction kettle
Full and uniform stirring is carried out, ring pipe 16 thereon, atomizer 29, the first water pipe 18, the second water pipe 19, the are then passed through
Heat can be added to the inside of autoclave body 1 in the setting of one water pump 20, the second water pump 21, third water pipe, boiler 22 and cold water storage cistern 23
Water realizes the heating and heat preservation to agitator 2, when needing to cool down to agitator 2, hot water can also be passed through 27 row of drainpipe
Out, and to the inside of autoclave body 1 cold water is added, cold water is uniformly sprayed on agitator 2 by atomizer 29, realize fast to its
Prompt drop temperature, so that the production of adhesive is more stable.
It should be noted that the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability
Contain, so that the process, method, article or equipment for including a series of elements not only includes those elements, but also including
Other elements that are not explicitly listed, or further include for elements inherent to such a process, method, article, or device.
In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element
Process, method, article or equipment in there is also other identical elements.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of agricultural cotton environmentally-friephenolic phenolic resin adhesive, it is characterised in that: comprise the following components in parts by weight, phenol 10-
50 parts, 20-80 parts of formaldehyde, 0.5-20 parts of basic catalyst, 2-20 parts of urea, 2-20 parts of hydrophilic agent, 10-50 parts of water, alcohols 2-
20 parts.
2. a kind of agricultural cotton environmentally-friephenolic phenolic resin adhesive according to claim 1, it is characterised in that: the alkalinity is urged
Agent is caustic soda.
3. a kind of agricultural cotton environmentally-friephenolic phenolic resin adhesive according to claim 1, it is characterised in that: the alcohols is
Glycerol or ethylene glycol.
4. a kind of agricultural cotton environmentally-friephenolic phenolic resin adhesive according to claim 1, it is characterised in that: the hydrophilic agent
For dimethylolpropionic acid.
5. a kind of preparation method of agricultural cotton environmentally-friephenolic phenolic resin adhesive, it is characterised in that: include the following steps,
S1: phenol, formaldehyde, basic catalyst, alcohols and water are sequentially added into reaction kettle by design flow, are gradually warming up to 50-80
℃；
S2: 3-8 hours are kept the temperature at 50-80 DEG C；
S3: cooling is opened, and the urea and hydrophilic agent of design flow is added, in 25 DEG C of following temperature, is continuously stirred 3-5 hours.
6. a kind of be used to prepare the agricultural cotton reaction kettle of environmentally-friephenolic phenolic resin adhesive, including autoclave body (1), it is characterised in that:
The inner top of the autoclave body (1) is fixedly connected with agitator (2), and the upper surface of the autoclave body (1) is fixedly connected with motor support
The inside of frame (3), the motor support frame (3) is fixedly connected with stirring motor (4), and the output end of the stirring motor (4) is logical
It crosses shaft coupling to be fixedly connected with stirring rod (5), the upper surface of autoclave body (1) is run through in the bottom of the stirring rod (5), and extends to and stir
The inside of bucket (2) is mixed, the side that the stirring rod (5) is located at agitator (2) inside is fixedly connected sequentially has first from top to bottom
Limited block (6), the second limited block (7) and third limited block (8) are set between first limited block (6) and the second limited block (7)
It is equipped with stop collar (9), is provided with loose collar (10), the stop collar between second limited block (7) and third limited block (8)
(9) it is rotatably connected on stirring rod (5) by bearing, the loose collar (10) is threaded on stirring rod (5), the limit
The two sides of ring (9) are also fixedly connected with fixed link (11), and the fixed link (11) is fixedly connected on far from the side of stirring rod (5)
On the inner wall of agitator (2), it is also fixedly connected with symmetrically arranged two first connecting rods (12) on the stop collar (9), two
The bottom end of a first connecting rod (12) is hinged with the first hinge bar (13), and the bottom of first hinge bar (13) is hinged
Have the second hinge bar (14), is fixedly connected with symmetrically arranged two the second connecting rods (15) on the loose collar (10), two
The top of second connecting rod (15) is hinged with the second hinge bar (14).
7. a kind of agricultural cotton environmentally-friephenolic phenolic resin adhesive according to claim 6, it is characterised in that: the autoclave body
(1) it is fixedly connected on inner sidewall multiple ring pipes (16), is connected between multiple ring pipes (16) by communicating pipe (17),
The inside fixation of the ring pipe (16) is communicated with atomizer (29), and the two sides of one of ring pipe (16) have been respectively communicated with
The one end of first water pipe (18) and the second water pipe (19), first water pipe (18) and the second water pipe (19) far from ring pipe (16)
Run through the side wall of autoclave body (1), and extend to the outside of autoclave body (1), first water pipe (18) and the second water pipe (19) stretch out
Fixation is communicated with the first water pump (20) and the second water pump (21), first water pump (20) and second respectively for one end of autoclave body (1)
The water inlet end of water pump (21) passes through third water pipe respectively and is communicated with boiler (22) and cold water storage cistern (23).
8. a kind of agricultural cotton environmentally-friephenolic phenolic resin adhesive according to claim 6, it is characterised in that: the agitator
(2) bottom fixation is communicated with discharge nozzle (24), and autoclave body (1) is run through in the bottom end of the discharge nozzle (24), and extends to autoclave body (1)
Outside, and be fixedly connected with first switch valve (25), the bottom fixation of the autoclave body (1) is communicated with drainpipe (27), described
Second switch valve (28) are installed on drainpipe (27).
9. a kind of agricultural cotton environmentally-friephenolic phenolic resin adhesive according to claim 6, it is characterised in that: first hinge
Stirring blade (26) is fixedly connected on the outer wall of extension bar (14) and the second hinge bar (15).
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| CN201910292864.8A CN110041865A (en) | 2019-04-12 | 2019-04-12 | A kind of agricultural cotton environmentally-friephenolic phenolic resin adhesive |
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| CN201910292864.8A CN110041865A (en) | 2019-04-12 | 2019-04-12 | A kind of agricultural cotton environmentally-friephenolic phenolic resin adhesive |
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Cited By (1)
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| CN113583599A (en) * | 2021-07-23 | 2021-11-02 | 四川帕沃可矿物纤维制品有限公司 | Adhesive for agricultural rock wool, preparation method and detection method of agricultural rock wool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113583599A (en) * | 2021-07-23 | 2021-11-02 | 四川帕沃可矿物纤维制品有限公司 | Adhesive for agricultural rock wool, preparation method and detection method of agricultural rock wool |
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