CN109536091A - A kind of urine present gum - Google Patents
A kind of urine present gum Download PDFInfo
- Publication number
- CN109536091A CN109536091A CN201811382627.2A CN201811382627A CN109536091A CN 109536091 A CN109536091 A CN 109536091A CN 201811382627 A CN201811382627 A CN 201811382627A CN 109536091 A CN109536091 A CN 109536091A
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- China
- Prior art keywords
- reaction kettle
- parts
- added
- urine present
- present gum
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Classifications
-
- 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
- C09J153/00—Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
- C09J153/02—Vinyl aromatic monomers and conjugated dienes
-
- 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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
Abstract
The invention discloses a kind of urine present gums, including are made of composition by weight than following ingredient: 26-55 parts of host thermoplastic's polymer, mixing tackifying resin 21-55 parts, 3-8 parts of surfactant, 1-12 parts of PH indicator, 3-8 parts of softening agent, 0.1-3 parts of antioxidant；Wherein, the mixing tackifying resin selects the mixture of modified C5 Petropols, vinyl acetate, triethylene glycol rosin.The present invention has production cost low, and each urine present gum color developing effect of generation is good, and flexibility is high；It is short the time required in reaction process, therefore the consumed effect that low energy consumption is reacted, it can effectively improve the economic benefit of urine present gum production.
Description
Technical field
The invention belongs to binder technical fields, more particularly, to a kind of urine present gum.
Background technique
Urine present gum has widened the new application field of hot melt adhesive, and applied to the bonding of baby paper diaper, paper diaper have been at present
It is widely used in baby and incontinent adults.After urine absorption is more than certain number, paper diaper are then needed replacing, however meat
Eye is not easy to observe sometimes, especially for the unfamiliar young mothers just become mother, applies one's nose to or touched with hand
It touches, sour experience must be had.Meanwhile if replaced not in time, the environment of this humidity, it is " red that gently it will cause babies
Hip " are heavy then induce eczema.Therefore, there is an urgent need to assign paper diaper vision monitoring this function, that is, wet display function is urinated.
The structure of paper diaper is generally divided into three layers.Surface structure is hydrophilic nonwoven cloth, and centre is absorbent core layer, bottom
Structure is generally polyethylene film.The adhesive effect of hot melt adhesive makes the substrate of the above dispersion become complete absorption product.It will
Hot melt adhesive with to pH value there is the substance (urinating wet display) of Color-sensitive characteristic organically to combine, and form urine present gum
Blank.Urine present gum is coated in one side of the counterdie towards sandwich layer by us in the form of lines, and when urine soaks sandwich layer, it is aobvious to be transmitted to urine
The surface of glue makes its pH value change, and generates variation so as to cause color, reaches the aobvious vision monitoring function of urine.
Urine present gum have been relatively mature currently on the market, but urine present gum currently on the market is during production,
Tackifying resin generallys use rosin resin either C5 Petropols as tackifying resin raw material, and wherein the price of rosin resin is low
It is honest and clean, it is at low cost during producing, but the resin smell is heavy, color is deep, thermal stability is poor；And use C5 Petropols
Then have that smell smell is light, of light color, thermal stability is good, but correspondingly, its price is high, can be directly inverted during production
Production cost rises.
Summary of the invention
The present invention for overcome the deficiencies in the prior art, provides a kind of urine present gum at low cost, adhesive effect is good.
To achieve the goals above, the invention adopts the following technical scheme: a kind of urine present gum, including such as by composition by weight
Lower ingredient is made:
Wherein, the mixing tackifying resin selects the mixing of modified C5 Petropols, vinyl acetate, triethylene glycol rosin
Object；
The softening agent selects the mixture of microcrystalline wax, naphthenic oil or microcrystalline wax and naphthenic oil；
It is Styrene-Butadiene-Styrene Block Copolymer (SBS), styrene-that host thermoplastic's polymer, which is selected,
The thermoplastic elastomer (TPE)s such as isoprene-styrene block copolymer (SIS)；
The surfactant selection is mixed by polyethylene glycol and polyvinylpyrrolidone.
The present invention is by using mixing tackifying resin, during producing to urine present gum, because of the urine present gum
Using modified C5 Petropols, vinyl acetate and triethylene glycol rosin three as raw material, the mixing of three kinds of raw materials makes
With, compared to conventionally employed C5 Petropols as raw material for, can effectively reduce the cost of raw material, improve economic effect
Benefit, and use triethylene glycol rosin its with nontoxic, tasteless, and there is polar group；And vinylacetate after the addition can
It mixes with the triethylene glycol rosin with polar group, during being somebody's turn to do on the one hand vinylacetate itself just has preferable bonding
Property, the yellow in triethylene glycol rosin is adjusted in another aspect vinylacetate, so that the urine present gum color meeting produced
Level off to it is transparent, it is of light color；And because triethylene glycol rosin and vinylacetate is cheap, raw material is easily obtained, therefore
Its is at low cost, and productivity effect can be improved；And the set-up mode is used, because the heat of modified C5 Petropols and vinyl acetate is steady
Qualitative height, cementability is strong, therefore the urine present gum adhesive property produced is good, and stability is high；And it is mixed with vinyl acetate
The urine present gum of ester, good toughness urinate good connecting effect between each molecule of present gum.
Setting of the present invention to the components by weight percent ratio of each raw material simultaneously, one side improve each raw material in use
Utilization rate, avoid wastage of material；On the other hand the property for improving the urine present gum produced, makes the urine present gum produced
Good toughness, cementability are moderate.
Preferably, the modified C5 Petropols are that C5 Petropols and styrene react under the conditions of catalyst
It obtains；C5 Petropols are modified using styrene, modified C5 Petropols adhesive property is good, therefore.
Preferably, the modified C5 Petropols, vinyl acetate, triethylene glycol rosin composition by weight ratio are 9-12:
0.3-2:5-8；By the proportion of the components by weight percent, in the case where having ensured the property for producing urine present gum, reduce to greatest extent
The cost of urine present gum production；And the amount of vinylacetate is minimum, and it can be with modified C5 Petropols and triethylene glycol rosin
It mixes, to ensure urine present gum after solidification flexible, vinylacetate is avoided to influence the flexibility of urine present gum, guarantee is being urinated
After present gum is adhered on paper diaper, the flexibility of paper diaper is high, ensures that wearer's action is unaffected, improves paper diaper
Comfort.
Preferably, the production method of the urine present gum are as follows:
I) temperature for first preheating reaction kettle is 120-135 DEG C；
Ii 26-55 parts of host thermoplastic's polymer, mixing tackifying resin 21-55 parts, surface-active) are weighed according to parts by weight
3-8 parts of agent, 1-12 parts of PH indicator, 3-8 parts of softening agent, 0.1-3 parts of antioxidant；
Iii it) first takes in host thermoplastic's polymer side of being placed in reaction kettle of half, stirring hot melt；
Iv) then mixing tackifying resin is added to reaction kettle, increases temperature of reaction kettle to 145-160 DEG C, stirring is extremely
After mixing tackifying resin heats completely, continue to stir 2-3h；
V) softening agent, antioxidant are sequentially added to reaction kettle, after stirring 40-50min, 2-3h is stood, during standing
Maintain reactor temperature constant；
Vi) then the other half host thermoplastic's polymer is added to reaction kettle, stirring to host thermoplastic's polymer
It is complete hot melt after, continue stir 0.6-1h；
Vii PH indicator) is then added, persistently stirs 8-12h；
Viii) stop stirring, discharging, filtering and impurity removing stripping and slicing and packs storage after cooling.
By the way that host thermoplastic's polymer to be added in two portions, host thermoplastic's polymer is can be improved in the early stage in one side
On the other hand the rate of fusing can ensure after the later period is added after host thermoplastic's polymer, host thermoplastic's polymer
It can gradually scatter, then host thermoplastic's polymer can be contacted gradually with the material in reaction kettle, absorb heat, gradual molten
Change, the rate of host thermoplastic's polymer melted can improve during being somebody's turn to do, so that the efficiency of reaction is improved, the mode of the addition
Being added at one time for host thermoplastic's polymer compared to tradition is conventional thermoplastic's polymer bending fusing required time
2/3, which save a large amount of times；And by softening agent, antioxidant after being added in reaction kettle, standing may make it is soft
Material in agent and antioxidant and reaction kettle reacts to each other thoroughly, ensures material in reactor flexibility, reduces in reaction kettle
Material is after softening to the resistance of agitating paddle.
Preferably, step ii) in mixing tackifying resin add be added reaction kettle sequence be first be added triethylene glycol rosin
Then vinyl acetate is added in rouge, be eventually adding modified C5 Petropols；By above-mentioned order of addition, in triethylene glycol rosin
Rouge and ethyl acetate can be mixed quickly with the fusant in reaction kettle after being added, and then add solid modified C5
Petropols, gradual dissolution dissolves a part, just because its two kinds have mixed during being somebody's turn to do at high temperature
Understand some to mix with fusant, mixed effect is good.
Preferably, the step Vi) in after PH indicator is added, nitrogen is poured into reaction kettle, in nitrogen item
3-5h is stirred under part, is then vacuumized, and during which vacuumizing number is 5-8 times；It is entered in reaction kettle by the way that nitrogen is added, it can
Effectively the air in reaction kettle is replaced, so that when being processed to urine present gum, the gas such as oxygen in air
Body will not influence the progress of reaction, ensure that born urine present gum cementability is good, high-quality, and carry out repeatedly to reaction kettle
It vacuumizes, which may make internal gas to be pulled out, and avoid during being stirred to urine present gum, urine present gum melting
There is no bubbles in object, therefore can effectively ensure during subsequent cooling, and urine present gum solid can never contain
It is high further to improve the urine present gum quality produced for bubble.
Preferably, the step Vi) in stirring rate be 55-75r/min, and stir when for clockwise stirring 5min,
Stirring 5min counterclockwise；By way of stirring clockwise and stir counterclockwise, the efficiency mixed between material can be accelerated, mentioned
The effect that high material is heated in the molten state, and then can effectively improve the production efficiency of whole urine present gum.
Preferably, reaction kettle described in step i) includes
Autoclave body；
Heating element heats autoclave body materials inside using steam-heated mode；
First agitating device laterally stirs material in autoclave body；
Second agitating device is matched with first agitating device, is longitudinally stirred in autoclave body to material；
Driving device, for driving first, second agitating device in positive and negative rotation in autoclave body.
By the first agitating device of setting and the second agitating device, when being stirred to the intracorporal material of kettle, the
One agitating device drives the material close to inner wall of kettle to move, and can effectively avoid in the process being stirred to material
In, the contact of the inner wall of material long-time autoclave body and cause material the case where local coking occur, improve hot melt adhesive production effect
Rate；And the second agitating device is set, mixing direction is from top to bottom to be stirred, and can take the material being located above to autoclave body
Lower section, likewise, also can effectively by the material of lower section agitation to the top of autoclave body, and when be stirred, it is real
The effect now quickly stirred, material mixes that rate is fast in the whipping process, therefore the heat transmitting between reactant is uniformly, to reaction
Object realizes uniformly heated effect；And driving device, which is arranged, makes the first, second agitating device positive and negative rotation, it can be real during being somebody's turn to do
Now, material first one Duan Sudu of transverse movement toward the direction when stirring, then with material heterodromous a period of time, at this time
Originally the also non-stop motion of material moved toward the direction, in the case where reverse agitating function, meeting between material and material
It collides, which effectively raises the speed mixed between material, to improve the blending efficiency of material reaction；And
Heating element is to be heated using steam, therefore when the inner wall to autoclave body carries out heat temperature raising, inner wall of kettle is heated evenly,
Heating effect is good.
Preferably, first agitating device includes the rotation axis matched with the driving device and the rotation
The connected multiple agitating paddle of axis and the wiper for scraping inner wall of kettle material, the wiper are set on the agitating paddle；It is logical
Setting rotation axis, agitating paddle and wiper are crossed, when being stirred to material, wiper can be in contact with the inner wall of autoclave body,
The process can quickly scrape off material on glutinous inner wall of kettle, to mutually mix with unclassified stores, the setting of wiper, on the one hand
It avoids material from occurring the case where coking agglomeration on the inner wall of autoclave body, avoids loss of material, ensure the hot melt colloid produced
It measures；On the other hand the wiper can strike off the material on inner wall of kettle, therefore rate is fast in heat transfer to autoclave body, heating effect
It is obviously improved, while improving material thermal efficiency, also reduces the conveying capacity of heat source, and then reduce the waste of the energy.
Preferably, that device of second stirring includes the frame body being connected with the rotation axis and frame body activity
The first axle body, the first paddle body on the first axle body and the first helical gear set on the first axle body end are connected,
The rotation axis is equipped with the rotation helical teeth being meshed with first helical gear；It can by setting the first axle body, the first paddle body
When rotation axis rotation, the first paddle body in the rotation, autoclave body bottom material is flipped up, is stirred to improve
Mix effect.
In conclusion the present invention has production cost low, each urine present gum color developing effect of generation is good, and flexibility is high；
It is short the time required in reaction process, therefore the consumed effect that low energy consumption is reacted, it can effectively improve urine present gum production
Economic benefit.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is cross-sectional view of the invention.
Fig. 3 is partial structural diagram one of the invention.
Fig. 4 is partial structural diagram two of the invention.
Fig. 5 is the enlarged drawing of A in Fig. 4.
Fig. 6 is partial structural diagram three of the invention.
Fig. 7 is the cross-sectional view of Fig. 6.
Fig. 8 is the explosive view of Fig. 6.
Fig. 9 is partial structural diagram four of the invention.
Figure 10 is the structural schematic diagram of connector of the present invention.
Specific embodiment
In order to make those skilled in the art better understand the present invention program, below in conjunction in the embodiment of the present invention
Attached drawing, the technical scheme in the embodiment of the invention is clearly and completely described.
Embodiment one
A kind of urine present gum, including be made of composition by weight than following ingredient:
Wherein, the mixing tackifying resin selects the mixing of modified C5 Petropols, vinyl acetate, triethylene glycol rosin
Object；And the modified C5 Petropols, vinyl acetate, triethylene glycol rosin composition by weight ratio are 9:0.3:5；The PH refers to
Show that agent is bromophenol blue or bromocresol green.
Further, it is anti-under the conditions of catalyst for C5 Petropols and styrene for the modified C5 Petropols
It should obtain；The softening agent is one such for the mixture of microcrystalline wax, naphthenic oil or microcrystalline wax and naphthenic oil, this implementation
Microcrystalline wax and naphthenic oil is selected to be formed under the weight proportion of 3:1 in example；Host thermoplastic's polymer is selected
Styrene-Butadiene-Styrene Block Copolymer (SBS), styrene-isoprene-styrene block copolymer (SIS)；This
Implementing the host thermoplastic's polymer selected is SBS.
Further, it is described urine present gum specific production technology the following steps are included:
I) temperature of reaction kettle is first preheated to 120 DEG C；
Ii) according to parts by weight weigh 26 parts of host thermoplastic's polymer, mixing 21 parts of tackifying resin, 3 parts of surfactant,
1 part of PH indicator, 3 parts of softening agent, 0.1 part of antioxidant；
Iii the host thermoplastic's polymer for) first taking half is placed in reaction kettle, starts the stirring in reaction kettle
Paddle heats host thermoplastic's polymer melt while stirring；
Iv after) being heated completely to host thermoplastic's polymer of half, mixing tackifying resin is added to reaction
In kettle, temperature of reaction kettle is increased to 145 DEG C, persistently material in reactor should be stirred in the process, until mixing tackifying resin
Completely after hot melt, continue to stir 2h；And when being added in mixing tackifying resin to reaction kettle, mixing tackifying resin addition
Then sequence is added vinyl acetate, is eventually adding modified C5 Petropols, mix being added for triethylene glycol rosin is first added
When tackifying resin, the agitating paddle in reaction kettle is persistently stirred；
V) after completing above-mentioned reaction step, then softening agent, antioxidant are sequentially added to reaction kettle, stirred
After 40min, 2h is stood, maintains reactor temperature constant during standing；
Vi) after the completion of standing, the other half host thermoplastic's polymer is added to reaction kettle, stirring to main body thermoplastic
Property polymer it is complete hot melt after, continue stir 0.6h；Stop stirring, stands 2h；
Vii agitating paddle) is restarted, PH indicator is then added；After PH indicator is added, nitrogen is poured, is reacted
Material inside kettle stirs 3h under the atmosphere of nitrogen；Then reaction kettle inside is vacuumized to extract the nitrogen in kettle out,
This vacuumize for number be 5-8 times, vacuumize every time interval time be 20min；After vacuumizing completion, persistently to anti-
The material in kettle is answered to be stirred, it is notable that calculate since PH indicator is added to reaction kettle, including be passed through nitrogen
With the stirring during vacuumizing, the time span for stirring stopping to the end is 8h；And after PH indicator is added, agitating paddle
Stirring rate is adjusted to 55r/min in whipping process, and agitating paddle stirs when stirring for positive and negative rotation, for stirring
Paddle stirs 5min clockwise, stirs 5min counterclockwise；
Viii after) completing above-mentioned steps, stop stirring, discharging, filtering and impurity removing stripping and slicing and packs storage after cooling.
Embodiment two
A kind of urine present gum, including be made of composition by weight than following ingredient:
Wherein, the mixing tackifying resin selects the mixing of modified C5 Petropols, vinyl acetate, triethylene glycol rosin
Object；And the modified C5 Petropols, vinyl acetate, triethylene glycol rosin composition by weight ratio are 11:1:6；The PH refers to
Show that agent is bromophenol blue or bromocresol green.
Further, it is anti-under the conditions of catalyst for C5 Petropols and styrene for the modified C5 Petropols
It should obtain；The softening agent is one such for the mixture of microcrystalline wax, naphthenic oil or microcrystalline wax and naphthenic oil, this implementation
Microcrystalline wax and naphthenic oil is selected to be formed under the weight proportion of 3:1 in example；Host thermoplastic's polymer is selected
Styrene-Butadiene-Styrene Block Copolymer (SBS), styrene-isoprene-styrene block copolymer (SIS)；This
Implementing the host thermoplastic's polymer selected is SBS.
Further, it is described urine present gum specific production technology the following steps are included:
I) temperature of reaction kettle is first preheated to 126 DEG C；
Ii) according to parts by weight weigh 38 parts of host thermoplastic's polymer, mixing 32 parts of tackifying resin, 5 parts of surfactant,
4 parts of PH indicator, 5 parts of softening agent, 1.8 parts of antioxidant；
Iii the host thermoplastic's polymer for) first taking half is placed in reaction kettle, starts the stirring in reaction kettle
Paddle heats host thermoplastic's polymer melt while stirring；
Iv after) being heated completely to host thermoplastic's polymer of half, mixing tackifying resin is added to reaction
In kettle, temperature of reaction kettle is increased to 152 DEG C, persistently material in reactor should be stirred in the process, until mixing tackifying resin
Completely after hot melt, continue to stir 2.5h；And when being added in mixing tackifying resin to reaction kettle, mixing tackifying resin addition
Sequence be that triethylene glycol rosin is first added, vinyl acetate is then added, is eventually adding modified C5 Petropols, it is mixed being added
When closing tackifying resin, the agitating paddle in reaction kettle is persistently stirred；
V) after completing above-mentioned reaction step, then softening agent, antioxidant are sequentially added to reaction kettle, stirred
After 45min, 2.6h is stood, maintains reactor temperature constant during standing；
Vi) after the completion of standing, the other half host thermoplastic's polymer is added to reaction kettle, stirring to main body thermoplastic
Property polymer it is complete hot melt after, continue stir 0.8h；Stop stirring, stands 2h；
Vii agitating paddle) is restarted, PH indicator is then added；After PH indicator is added, nitrogen is poured, is reacted
Material inside kettle stirs 3.5h under the atmosphere of nitrogen；Then reaction kettle inside is vacuumized to extract the nitrogen in kettle out
Gas, this vacuumize for number be 5-8 times, vacuumize every time interval time be 20min；After vacuumizing completion, continue
Material in reaction kettle is stirred, it is notable that calculate, including be passed through since PH indicator is added to reaction kettle
Nitrogen and the stirring for vacuumizing period, the time span for stirring stopping to the end is 11h；And after PH indicator is added,
Stirring rate is adjusted to 63r/min in agitating paddle whipping process, and agitating paddle stirs when stirring for positive and negative rotation,
5min is stirred clockwise for agitating paddle, stirs 5min counterclockwise；
Viii after) completing above-mentioned steps, stop stirring, discharging, filtering and impurity removing stripping and slicing and packs storage after cooling.
Embodiment three
A kind of urine present gum, including be made of composition by weight than following ingredient:
Wherein, the mixing tackifying resin selects the mixing of modified C5 Petropols, vinyl acetate, triethylene glycol rosin
Object；And the modified C5 Petropols, vinyl acetate, triethylene glycol rosin composition by weight ratio are 12:2:8；The PH refers to
Show that agent is bromophenol blue or bromocresol green.
Further, it is anti-under the conditions of catalyst for C5 Petropols and styrene for the modified C5 Petropols
It should obtain；The softening agent is one such for the mixture of microcrystalline wax, naphthenic oil or microcrystalline wax and naphthenic oil, this implementation
Microcrystalline wax and naphthenic oil is selected to be formed under the weight proportion of 3:1 in example；Host thermoplastic's polymer is selected
Styrene-Butadiene-Styrene Block Copolymer (SBS), styrene-isoprene-styrene block copolymer (SIS)；This
Implementing the host thermoplastic's polymer selected is SBS.
Further, it is described urine present gum specific production technology the following steps are included:
I) temperature of reaction kettle is first preheated to 135 DEG C；
Ii) according to parts by weight weigh 55 parts of host thermoplastic's polymer, mixing 55 parts of tackifying resin, 8 parts of surfactant,
12 parts of PH indicator, 8 parts of softening agent, 3 parts of antioxidant；
Iii the host thermoplastic's polymer for) first taking half is placed in reaction kettle, starts the stirring in reaction kettle
Paddle heats host thermoplastic's polymer melt while stirring；
Iv after) being heated completely to host thermoplastic's polymer of half, mixing tackifying resin is added to reaction
In kettle, temperature of reaction kettle is increased to 160 DEG C, persistently material in reactor should be stirred in the process, until mixing tackifying resin
Completely after hot melt, continue to stir 3h；And when being added in mixing tackifying resin to reaction kettle, mixing tackifying resin addition
Then sequence is added vinyl acetate, is eventually adding modified C5 Petropols, mix being added for triethylene glycol rosin is first added
When tackifying resin, the agitating paddle in reaction kettle is persistently stirred；
V) after completing above-mentioned reaction step, then softening agent, antioxidant are sequentially added to reaction kettle, stirred
After 50min, 3h is stood, maintains reactor temperature constant during standing；
Vi) after the completion of standing, the other half host thermoplastic's polymer is added to reaction kettle, stirring to main body thermoplastic
Property polymer it is complete hot melt after, continue stir 1h；Stop stirring, stands 2h；
Vii agitating paddle) is restarted, PH indicator is then added；After PH indicator is added, nitrogen is poured, is reacted
Material inside kettle stirs 5h under the atmosphere of nitrogen；Then reaction kettle inside is vacuumized to extract the nitrogen in kettle out,
This vacuumize for number be 5-8 times, vacuumize every time interval time be 20min；After vacuumizing completion, persistently to anti-
The material in kettle is answered to be stirred, it is notable that calculate since PH indicator is added to reaction kettle, including be passed through nitrogen
With the stirring during vacuumizing, the time span for stirring stopping to the end is 12h；And after PH indicator is added, stirring
Stirring rate is adjusted to 75r/min during paddle stirring, and agitating paddle stirs when stirring for positive and negative rotation, to stir
It mixes paddle and stirs 5min clockwise, stir 5min counterclockwise；
Viii after) completing above-mentioned steps, stop stirring, discharging, filtering and impurity removing stripping and slicing and packs storage after cooling.
As Figure 1-10 shows, the invention also discloses the specific structures of the reaction kettle as described in embodiment 1-3, specifically,
The reaction kettle includes autoclave body 1, heating element 2, the first agitating device 3, the second agitating device 4 and driving device 5, wherein described
Autoclave body 1 is a metal kettle, which is made of liner 11, housing 12 and kettle cover 13, and the liner 11 is set to the housing 12
On, and there is gap between liner 11 and the housing 12, which forms heating chamber 10；The kettle cover 13 is a metal
Lid, the kettle cover 13 are tightly connected with the housing 12, and the kettle cover 13 is metal cover；The heating element 2 includes delivery pipe
21 and efferent duct 22, the delivery pipe 21 is a metallic conduit, and the delivery pipe 21 is connected with the heating chamber 10, described defeated
Outlet pipe 22 is similarly a metallic conduit, and the efferent duct 22 is connected with the heating chamber 10, and steam is conveyed by input pipe 21
Into heating chamber 10, then exported by efferent duct 22, thus the heating element 2 its by steam to the material in liner 11
Heated.
Further, first agitating device 3 includes rotation axis 31, multiple agitating paddles 32 and wiper 33, wherein described
Rotation axis 31 is a metal shaft, which is a metal shaft；The rotation axis 31 is penetrated from the centre of the kettle cover 13, and
Rotation axis 31 is connected by bearing with the kettle cover 13；The agitating paddle 32 is inverted L shape metal paddle, and agitating paddle 32 is three
A, three agitating paddles 32 are connected with the rotation axis 31, and the middle part of the agitating paddle 32 has concave surface 320；The wiper 33
It is made of a Wear-resistant plastic material strip, which is connected with the agitating paddle 32, is connected with rotating roller in the end of the wiper 33
331, the rotating roller 331 is a wear-resistant plastic roller；By the setting of rotating roller 331, make between wiper and the inner wall of liner 11
Friction reduces, and ensures wiper when scraping the material in bottom inner container 11, the abrasion that wiper 33 is subject to is small；The wiper 331 by with
The connected interconnecting piece 332 of agitating paddle 32 and bending part 333 are constituted, and the angle between the interconnecting piece 332 and the bending part 333 is
120 °, when which can ensure stirring, wiper can drive the material in liner 11 to the middle part of liner, thus right
When material is stirred, middle part material can be constantly replaced close to the material of liner inner wall, so that being located at the material at middle part
It is flow to outside, during being somebody's turn to do, is ensured when being heated to material, material is heated evenly, therefore each material substantially can
The requirement for reaching reaction is synchronized, avoids causing material parts temperature excessively high due to being heated irregular, overreact causes material to damage
Mistake or partial material unreacted cause reaction incomplete；The driving device can drive the rotation axis to rotate, to drive
Dynamic device can drive agitating paddle to rotate.
Specifically, second agitating device 4 includes frame body 40, the first axle body 41, the first paddle body 43 and the first helical gear
45, wherein the frame body 40 is a metal frame, which is connected by bearing with the rotation axis 31, the first axle body 41
It is flexibly connected by bearing with the frame body 40, the first axle body 41 is a metal shaft, and the first paddle body 43 is a metal
Paddle, 43 local buckling of the first paddle body form the first press section 431, which rotates in the first axle body 41
When, the first press section 431 can be in contact with material, then press material and move out；While the first paddle body 43
Quantity be it is multiple, multiple first paddle bodies 43 be staggered；First helical gear 45 is a metal umbrella tooth, first helical teeth
Wheel 45 is connected with the end of the first axle body 41；Rotation helical teeth 35, the rotation helical teeth 35 are equipped in the rotation axis 31
For a bevel gear, the rotation helical teeth 35 is meshed with first helical gear 45, therefore the rotation helical teeth 35 can drive institute
State the rotation of the first axle body 41.
Further, second agitating device 4 further includes the second axle body 42, the second paddle body 44 and the second helical gear 46,
The second axle body 42 is a metal shaft, which is flexibly connected by bearing with the frame body 40, and described second tiltedly
Gear 46 is a helical gear, and second helical gear 46 is meshed with the rotation helical teeth 35；The second paddle body 44 be it is multiple,
Multiple second paddle bodies 44 are connected with the second axle body 42, the second paddle body 44 be equipped with the second press section 441, described second
Press section 441 bends contrary with first press section 331, and the second paddle body 44 is on the second axle body 42
It is arranged in a staggered manner；Therefore rotation axis 31 is driven to rotate in driving device 4, lateral rotation can occur for the agitating paddle 32；Described first
Paddle body 43 can longitudinally rotate clockwise, and the second paddle body 44 can longitudinally rotate counterclockwise；By the way that the second axle body and second is arranged
Paddle body can not only can be carried out longitudinal stirring, overturn to lower part glue, and because of turn of the second axle body and the second paddle body
The rotation direction of dynamic direction and the first axle body and the first paddle body is on the contrary, therefore when the second agitating device rotates, and first, the
Opposite power can be will form between two paddle bodies, and the size of two power is identical, therefore the power between the first, second paddle body can be mutual
Balance should not only realize the effect being stirred to hot melt adhesive in the process, and also stability is good in realization whipping process, not will cause
The effect of rotation axis double swerve effectively improves the stability of entire autoclave body.
Further, the driving device 5 includes driving motor 51, output shaft 52 and rotary teeth 53, the driving motor
51 be servo motor, and the output shaft 52 is a metal shaft, which is connected with the driving motor 51, therefore the drive
Dynamic motor 51 can drive the output shaft 52 to rotate；The rotary teeth 53 is connected with the output shaft 52, and rotary teeth 52 is one oblique
Gear；The rotary teeth 52 drives the rotation axis 31 to rotate by a drive mechanism 6；By setting motor as power
Source, power source output is steady, and power source easily obtains, and setting drive mechanism can effectively ensure that driving motor can be stablized
Be transmitted in rotation axis, can effectively improve stirring material period stirring efficiency.
The drive mechanism 6 includes bracket 60, the first umbrella tooth 61, the second umbrella tooth 62 and transmission shaft 63, and the bracket 60 is set
On the kettle cover 13, first umbrella tooth 61 is metal umbrella tooth, which passes through a bearing and the bracket 60
Side is connected, and second umbrella tooth 62 is symmetrical arranged with first umbrella tooth 61, which passes through bearing and the branch
The other side of frame 60 is connected, and the rotary teeth 53 is meshed with first umbrella tooth 61 and the second umbrella tooth 62 simultaneously, the rotation
In the rotation, the first umbrella tooth 61 can rotate clockwise tooth 53, and the second umbrella tooth 62 can rotate counterclockwise；The transmission shaft 63 is
One metal shaft, one end of the transmission shaft 62 are flexibly connected with the bracket 60, and the other end is connected with a bevel gear, the transmission
Axis 63 is equally connected with a bevel gear, and the power on the transmission shaft 63 can drive rotation axis 31 to rotate by bevel gear.
Further, the transmission shaft 63 is connected by a connecting component 64 with first, second umbrella tooth, the connection
Component 64 includes connector 641 and driving cylinder 642, and the connector 641 is a metallic sheath, is equipped on the transmission shaft 63
Two sliding recess 630, the inner wall of the connector 641 are equipped with sliding protrusion 640, and the sliding protrusion 640 is equipped with rolling
Moving part 643, the rolling member 643 are ball；On 641 left side wall of connector be equipped with the first rotation prevention portion 645, described first
Umbrella tooth 61 is equipped with the first rotation stop groove 610, and first rotation prevention portion 645 can be inserted into first rotation stop groove 610；Pass through setting
Connector and driving cylinder switch between realization and the first umbrella tooth and the second umbrella tooth, the mistake in the case where driving cylinder pushes
Driving motor is to be rotated toward the direction always in journey, for carrying out positive and negative rotation compared to conventional motors itself, is passed
Dynamic motor itself needs constantly to stop then restarting when carrying out positive and negative rotation, stops and starting in motor
In the process, need to consume biggish electric power, it is on the one hand big to power consumption, it is easy to damage on the other hand also to will cause motor, uses
Service life is low；And by connector and driving cylinder, realize rotation axis positive and negative rotation back and forth, stop without motor itself and
Start conscientious positive and negative rotation；The set-up mode can ensure the continual and steady rotation of motor, can ensure the service life of motor；Together
Rotation axis is adjusted using connector come back rotation in Shi Yinwei, therefore it can drive the frequency of cylinder sweeping action by adjusting
Change the efficiency that the first, second agitating device stirs every time, while can also be stirred by changing the rate of electric rotary to change
The effect mixed；It, which is realized, adjusts material stirring rate multi-stage, thus when the raw material to different ratio is stirred,
Optimal mixing effect can be obtained by repeatedly adjusting stirring efficiency, which improves the production efficiency of product；By setting
It sets in sliding protrusion and sliding groove, can effectively ensure that connector and transmission shaft rotate synchronously, transmission effect is good during being somebody's turn to do, and passes
Dynamic stability.
Specifically, being equipped with the first ball 649 on first rotation prevention portion 645, first ball is a bead；?
There is the first annular groove 617 being connected with first rotation stop groove 610, in first rotation prevention portion in first umbrella tooth 61
645 when will enter in the first annular groove 617, and the first rotation prevention portion 645 is introduced into in the first annular groove 617, then again
It enters in the first rotation stop groove 610, when which can ensure the rotation of the first umbrella tooth 61, first ball 649
It can roll, be then gradually inserted into the first rotation stop groove 610 in 617 bottom of the first annular groove, which is suitable for
One umbrella tooth, 61 high-speed rotation, stability are high；By setting the first rotation prevention portion and the first rotation stop groove, can realize connector and with
First umbrella tooth rotates synchronously, so that transmission shaft and rotation axis be driven to rotate synchronously, the transmission efficiency is high.
The second rotation prevention portion 646 is equipped on 641 right side wall of connector, second umbrella tooth 62 is equipped with the second rotation stop
Slot 620, second rotation prevention portion 646 can be inserted into second rotation stop groove 620, set in the end of second rotation prevention portion 646
There is the second ball 648, second ball 648 is metal balls, is equipped with the second annular groove 627 in the second umbrella tooth 62, described the
Two annular grooves 627 are connected with second rotation stop groove 620, the setting of the second annular groove and the second ball, with first annular groove and
The effect of first ball is identical；The driving cylinder 642 is a regular cyclical, the driving cylinder 642 and the connector 641
It is connected, therefore will pull the connector 641 or so in the driving cylinder 642 and act；When the connector 641 moves downward
When, which connect with 61 rotation stop of the first umbrella tooth；When the connector 641 moves right, the connector 641
It is connect with 62 rotation stop of the second umbrella tooth；Second rotation prevention portion is inserted into the second rotation stop groove, also can effectively drive rotation
Axis is rotated.
Obviously, described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment should fall within the scope of the present invention.
Claims (10)
1. a kind of urine present gum, it is characterised in that: including being made of composition by weight than following ingredient:
Wherein, the mixing tackifying resin selects the mixture of modified C5 Petropols, vinyl acetate, triethylene glycol rosin；
The softening agent selects the mixture of microcrystalline wax, naphthenic oil or microcrystalline wax and naphthenic oil；
It is Styrene-Butadiene-Styrene Block Copolymer (SBS), styrene-isoamyl that host thermoplastic's polymer, which is selected,
The thermoplastic elastomer (TPE)s such as styrene block copolymer (SIS)；
The surfactant selection is mixed by polyethylene glycol and polyvinylpyrrolidone.
2. a kind of urine present gum according to claim 1, it is characterised in that: the modified C5 Petropols are C5 Petropols
It reacts and obtains under the conditions of catalyst with styrene.
3. a kind of urine present gum according to claim 1, it is characterised in that: the modified C5 Petropols, vinyl acetate,
Triethylene glycol rosin composition by weight ratio is 9-12:0.3-2:5-8.
4. a kind of urine present gum according to claim 1, it is characterised in that: the production method of the urine present gum are as follows:
I) temperature for first preheating reaction kettle is 120-135 DEG C；
Ii 26-55 parts of host thermoplastic's polymer, mixing tackifying resin 21-55 parts, surfactant 3-) are weighed according to parts by weight
8 parts, 1-12 parts of PH indicator, 3-8 parts of softening agent, 0.1-3 parts of antioxidant；
Iii it) first takes in host thermoplastic's polymer side of being placed in reaction kettle of half, stirring hot melt；
Iv) then mixing tackifying resin is added to reaction kettle, increases temperature of reaction kettle to 145-160 DEG C, stirring extremely mixes
After tackifying resin heats completely, continue to stir 2-3h；
V) softening agent, antioxidant are sequentially added to reaction kettle, after stirring 40-50min, stands 2-3h, maintained during standing
Reactor temperature is constant；
Vi) then the other half host thermoplastic's polymer is added to reaction kettle, is stirred complete to host thermoplastic's polymer
After full hot melt, continue to stir 0.6-1h；
Vii PH indicator) is then added, persistently stirs 8-12h；
Viii) stop stirring, discharging, filtering and impurity removing stripping and slicing and packs storage after cooling.
5. a kind of urine present gum according to claim 4, it is characterised in that: step iii) in mixing tackifying resin add and be added
The sequence of reaction kettle is that triethylene glycol rosin is first added, vinyl acetate is then added, and is eventually adding modified C5 Petropols.
6. a kind of urine present gum according to claim 4, it is characterised in that: the step Vi) in after PH indicator is added,
Nitrogen is poured into reaction kettle, 3-5h is stirred under a nitrogen atmosphere, then vacuumizes, during which vacuumizing number is 5-8 times.
7. a kind of urine present gum according to claim 6, it is characterised in that: the step Vi) in stirring rate be 55-75r/
Min, and 5min is stirred counterclockwise when stirring to stir 5min clockwise.
8. a kind of urine present gum according to claim 4, it is characterised in that: reaction kettle described in step i) includes
Autoclave body (1)；
Heating element (2) heats autoclave body (1) materials inside using steam-heated mode；
First agitating device (3) laterally stirs material in autoclave body (1)；
Second agitating device (4) is matched with first agitating device (4), is longitudinally stirred in autoclave body (1) to material；
Driving device (5), for driving first, second agitating device in autoclave body (1) interior positive and negative rotation.
9. a kind of urine present gum according to claim 8, it is characterised in that: first agitating device (3) include with it is described
Rotation axis (31) that driving device (5) matches, the multiple agitating paddle (32) being connected with the rotation axis (31) and for scraping
The wiper (33) of dynamic inner wall of kettle material, the wiper (33) are set on the agitating paddle (32).
10. a kind of urine present gum according to claim 9, it is characterised in that: second agitating device (4) include with it is described
The connected frame body (40) of rotation axis (31) is flexibly connected the first axle body (41) with the frame body (40), is set to the first axle body
(41) the first paddle body (43) on and the first helical gear (45) set on the first axle body (41) end, the rotation axis (31)
It is equipped with the rotation helical teeth (35) being meshed with first helical gear (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811382627.2A CN109536091A (en) | 2018-11-20 | 2018-11-20 | A kind of urine present gum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811382627.2A CN109536091A (en) | 2018-11-20 | 2018-11-20 | A kind of urine present gum |
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| Publication Number | Publication Date |
|---|---|
| CN109536091A true CN109536091A (en) | 2019-03-29 |
Family
ID=65848607
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811382627.2A Pending CN109536091A (en) | 2018-11-20 | 2018-11-20 | A kind of urine present gum |
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Application publication date: 20190329 |