CN108546521A - A kind of preparation method of heat-resistant moisture-proof type tape - Google Patents
A kind of preparation method of heat-resistant moisture-proof type tape Download PDFInfo
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- CN108546521A CN108546521A CN201810262539.2A CN201810262539A CN108546521A CN 108546521 A CN108546521 A CN 108546521A CN 201810262539 A CN201810262539 A CN 201810262539A CN 108546521 A CN108546521 A CN 108546521A
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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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/24—Plastics; Metallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/241—Polyolefin, e.g.rubber
- C09J7/243—Ethylene or propylene polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
- C08B37/0024—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Glucans; (beta-1,3)-D-Glucans, e.g. paramylon, coriolan, sclerotan, pachyman, callose, scleroglucan, schizophyllan, laminaran, lentinan or curdlan; (beta-1,6)-D-Glucans, e.g. pustulan; (beta-1,4)-D-Glucans; (beta-1,3)(beta-1,4)-D-Glucans, e.g. lichenan; Derivatives thereof
- C08B37/0027—2-Acetamido-2-deoxy-beta-glucans; Derivatives thereof
- C08B37/003—Chitin, i.e. 2-acetamido-2-deoxy-(beta-1,4)-D-glucan or N-acetyl-beta-1,4-D-glucosamine; Chitosan, i.e. deacetylated product of chitin or (beta-1,4)-D-glucosamine; Derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
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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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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- 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
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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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
- C09J2301/41—Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the carrier layer
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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
- C09J2405/00—Presence of polysaccharides
- C09J2405/006—Presence of polysaccharides in the substrate
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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
- C09J2423/00—Presence of polyolefin
- C09J2423/10—Presence of homo or copolymers of propene
- C09J2423/106—Presence of homo or copolymers of propene in the substrate
Abstract
The present invention relates to tape preparing technical fields, and in particular to a kind of preparation method of heat-resistant moisture-proof type tape.The present invention is to soften polypropylene as base material,Modified self-control chitosan-acetic acid solution and modified river sand powder are as modified accelerating agent,And it is aided with stearyl lactate and rosin etc. and heat-resistant moisture-proof type tape is prepared,Chitosan is extracted from shrimp shell using fermentation method first,Chitosan is modified through long-chain acyl chlorides,Again hydrophobic long-chain is introduced on chitosan surface,The hydrophobicity of chitosan is set to be improved,Crosslinking agent further with remaining free amine group,Hydroxyl reacts,Improve the moisture resistance of tape,Surface modification is carried out to river sand powder by dispersant and coupling agent,By modified substance and sucrose and kitchen food residue co-fermentation,River sand powder is dispersed in tape surface,Form crosslinked Si O Si network structures,This network structure plays the role of that polymer base material is prevented to degrade when heated,It is with a wide range of applications.
Description
Technical field
The present invention relates to tape preparing technical fields, and in particular to a kind of preparation side of heat-resistant moisture-proof type tape
Method.
Background technology
Due to the fast development of logistics, tape is widely used.Tape is also referred to as gummed tape, it is
Using BOPP bidirectional stretching polypropylene films or PET polyester films as base material, pressure-sensitive adhesive emulsion is uniformly smeared by heating, makes its shape
The glue-line not waited at 8 μm~28 μm.Former film after high-voltage corona is handled, surface forms rough surface on one side, then glue is applied
It above, is being initially formed parent roll, then the rouleau of specification not etc. is cut by banding machine, be exactly our adhesive tapes used in everyday.
Adhesive tape can be divided into as the effect of him：High temperature gummed tape, double faced adhesive tape, insulating tape, specialty tape, pressure sensitive adhesive tape, cross cutting adhesive tape etc.,
Different effects is suitble to different industry requirements.
With industrial development, technological progress, pressure sensitive adhesive quality is continuously improved, and use scope is also more and more extensive.In the past, absolutely
Most of pressure sensitive adhesives are solvent pressure-sensitive adhesive, are considered from environmental protection, the factors such as economize on resources, in recent years gradual Water-borne modification,
Middle emulsion-type polyacrylate pressure-sensitive has become one of the important directions of field development.According to statistics, China's production is all kinds of
In pressure sensitive adhesive, emulsion-type polyacrylate pressure-sensitive accounts for about 65%, be widely used in pressure-sensitive label, gummed tape, coating, building,
The every profession and trades such as weaving and medical material.Emulsion-type polyacrylate pressure-sensitive has following excellent performances：Using water as solvent,
Without using organic solvent, nonhazardous is pollution-free, belongs to environment-friendly products.Acrylic monomer contains ester group, carboxyl, hydroxyl energy more
Group is easy to be copolymerized with other hard monomers and function monomer, the emulsion adhesive with various performances is made, and be prepared into
This is low, and convenient for application, relative molecular mass is higher, and resistance to ag(e)ing, pressure-sensitive and adhesive property are excellent.
Tape generally existing viscosity common at present is insufficient, causes the effect of joint sealing all poor；Heat resistance compared with
Difference, in high temperature, it is easy to give out an unpleasant smell；Water resistance is poor, once after making moist, glue easily blisters, and loses
Adhesive property.In addition, the existing big part of tape is still made using non-degradable base material, serious environmental pollution is caused.
Therefore, developing a kind of tape that can solve above-mentioned performance issue is highly desirable.
Invention content
The technical problems to be solved by the invention：For common tape at present, that there are heat resistances is poor,
In high temperature, it is easy to give out an unpleasant smell, exist simultaneously that water resistance is poor, once after making moist, glue easily blisters, and loses
Adhesive property is easy to lack to what environment caused seriously to pollute in addition, also part tape is made using non-degradable base material
It falls into, provides a kind of preparation method of heat-resistant moisture-proof type tape.
In order to solve the above technical problems, the present invention is using technical solution as described below：
A kind of preparation method of heat-resistant moisture-proof type tape, it is characterised in that specifically preparation process is：
（1）It weighs 80~100g shrimp shells to grind, obtains abrasive flour, then abrasive flour quality is added into abrasive flour
0.7% biogas slurry, is fitted into fermentation tank, is sealed by fermentation, after fermentation, tunning is obtained, then by pyridine and chloroform
By isometric than being mixed, mixed solution is obtained；
（2）Continue to mix tunning and mixed solution, and be stirred to react under 0 DEG C of condition of ice bath, obtains reaction solution, after
Continue the caprylyl chloride of the dropwise reaction liquid quality 10% into reaction solution, reaction is mixed, it is thick up to acylation chitosan after reaction
Product；
（3）Acylation chitosan crude product is put into the extractor with acetone and is extracted, the acylation chitosan after extracting is slightly produced
Object is placed in drying in baking oven, and grinding discharging obtains acylation chitosan powder, finally by acylation chitosan powder, glacial acetic acid solution
It is placed in blender and stirs with glutaraldehyde mixing, up to modified self-control chitosan-acetic acid solution after standing and defoaming；
（4）It weighs after 35~40g river sands are ground and sieves with 100 mesh sieve, collect sieving river sand powder, by sieving river sand powder, silicon
Alkane coupling agent kh-570 and lauryl sodium sulfate are mixed, and obtain mixture, continue that compounding substances are added into mixture
The kitchen food residue of the sucrose and mixture quality 3% of amount 7%, is fitted into fermentation tank, is sealed by fermentation, waits for after fermentation, taking
Go out tunning, as modified river sand powder；
（5）Weighing 75~85g polypropylene heat temperature raisings makes its softening, obtains softening polypropylene, counts, weigh respectively in parts by weight
32~36 parts of softening polypropylene, 14~16 parts of modified self-control chitosan-acetic acid solutions and 6~8 parts of modified river sand powder mixing are placed in
It is stirred in reaction kettle, then adds 2~4 parts of absolute ethyl alcohols, 1~3 part of stearyl lactate and 3~5 parts of rosin, be warming up to 75~80
DEG C, continue that rotating speed is kept to be stirred to react, cooling discharging, tinning is up to heat-resistant moisture-proof type tape.
Step（1）Described to grind the time be 21~23min, and fermentation temperature is 30~32 DEG C, fermentation time is 9~
11 days, the mixing time was 5~7min.
Step（2）The mass ratio of the tunning and mixed solution is 4：1, it is 8~10min to be stirred to react the time,
It is 68~72 DEG C that reaction temperature, which is mixed, and the mixing reaction time is 1~2h.
Step（3）The extraction times are 3~4h, and drying temperature is 65~70 DEG C, and drying time is 1~3h, acylated
The mass ratio of glacial acetic acid solution and glutaraldehyde that Chitosan powder, mass fraction are 98% is 2：7：1, mixing time be 13~
15min。
Step（4）It is described that grind the time be 15~17min, sieving river sand powder, Silane coupling reagent KH-570 and
The mass ratio of lauryl sodium sulfate is 7：2：1, the mixing time is 10~12min, and fermentation temperature is 35~45 DEG C, fermentation
Time is 9~10 days.
Step（5）The heat temperature raising temperature is 165~175 DEG C, and whipping temp is 45~55 DEG C, and speed of agitator is
280~300r/min, mixing time are 1~2h, and warming temperature is 75~80 DEG C, continue to be stirred to react the time as 2~3h.
Compared with other methods, advantageous effects are the present invention：
（1）To soften polypropylene as base material, modified self-control chitosan-acetic acid solution and modified river sand powder are used as and are modified the present invention
Accelerating agent, and be aided with stearyl lactate and rosin etc. and heat-resistant moisture-proof type tape is prepared, use first fermentation method from
Chitosan is extracted in shrimp shell, and by caprylyl chloride and chitosan reaction, chain alkyl is grafted on chitosan main chain, obtains low take
The acylation chitosan of Dai Du, to improve the hydrophobic ability of chitosan, then with glutaraldehyde as cross linker to acylation chitosan into one
Step is modified, and obtains fine and close crosslinked modification of chitosan, since chitosan is modified through long-chain acyl chlorides, consumes the free ammonia in part
Base and hydroxyl, and hydrophobic long-chain is introduced on chitosan surface, so that the hydrophobicity of chitosan is improved, adds glutaraldehyde cross-linking
Agent, crosslinking agent further react with remaining free amine group, hydroxyl, and chitosan main chain network becomes close, with crosslinking
The increase of agent content, water absorbent rate decline, contact angle increase, show that chitosan film crosslink density gradually increases, hydrophobic performance by
Cumulative strong, to improve the moisture resistance of tape, in addition chitosan itself has excellent biodegradable, Er Qiewu
It is toxic, nonirritant, it microorganism, water, acid, the alkali the effects that under can decompose completely, final product be carbon dioxide and
Water, it is environmentally safe, to improve the biological degradability of tape；
（2）Surface modification is carried out to river sand powder by dispersant and coupling agent in the present invention, by modified substance and sucrose
With kitchen food residue co-fermentation, sucrose decomposition is made into river sand at macromolecular carbohydrate using microorganism in the food residue of kitchen
Powder is dispersed in tape surface, crosslinked Si-O-Si network structures is formd, from this network structure is when heated
The effect for preventing polymer base material from degrading has been arrived, has improved the heat resistance of tape again, while river sand main component is two
Silica, silica have water resistance, are uniformly filled in inside base material under the action of dispersant so that base material is not susceptible to
Tide, the moisture resistance for being conducive to tape are improved, and serious environmental pollution will not be more caused, before having a wide range of applications
Scape.
Specific implementation mode
It weighs 80~100g shrimp shells and grinds 21~23min, obtain abrasive flour, then grinding is added into abrasive flour
The biogas slurry of powder quality 0.7%, is fitted into fermentation tank, is sealed by fermentation 9~11 days under conditions of temperature is 30~32 DEG C, fermentation
After, tunning is obtained, 5~7min then is mixed by isometric ratio in pyridine and chloroform, obtains mixing molten
Liquid；Continue tunning and mixed solution to be 4 in mass ratio：1 mixing, and it is stirred to react under 0 DEG C of condition of ice bath 8~
10min obtains reaction solution, continues the caprylyl chloride of the dropwise reaction liquid quality 10% into reaction solution, is mixed at being 68~72 DEG C in temperature
Conjunction is stirred to react 1~2h, after reaction up to acylation chitosan crude product；Acylation chitosan crude product is put into acetone
Extractor in extract 3~4h, the acylation chitosan crude product after extracting is placed in baking oven, temperature be 65~70 DEG C at do
Dry 1~3h, grinding discharging, obtains acylation chitosan powder, finally by acylation chitosan powder, the ice vinegar that mass fraction is 98%
Acid solution and glutaraldehyde are 2 in mass ratio：7：1 mixing is placed in 13~15min of stirring in blender, is modified to obtain the final product after standing and defoaming
Make chitosan-acetic acid solution by oneself；It weighs after 35~40g river sands grind 15~17min and sieves with 100 mesh sieve, collect sieving river sand powder
End is in mass ratio 7：2：1 will sieving river sand powder, Silane coupling reagent KH-570 and lauryl sodium sulfate be mixed 10~
12min obtains mixture, continues the kitchen food that the sucrose and mixture quality 3% of mixture quality 7% are added into mixture
Residue is fitted into fermentation tank, is sealed by fermentation 9~10 days under conditions of temperature is 35~45 DEG C, waits for after fermentation, taking out hair
Ferment product, as modified river sand powder；Weighing 75~85g polypropylene and being heated to 165~175 DEG C makes its softening, obtains soft
Change polypropylene, count in parts by weight, it is molten to weigh 32~36 parts of softening polypropylene, 14~16 parts of modified self-control chitosan acetic acid respectively
Liquid and 6~8 parts of modified river sand powder mixing are placed in reaction kettle, temperature is 45~55 DEG C, rotating speed is 280~300r/min's
Under the conditions of stir 1~2h, then add 2~4 parts of absolute ethyl alcohols, 1~3 part of stearyl lactate and 3~5 parts of rosin, be warming up to 75
~80 DEG C, continue that rotating speed is kept to be stirred to react 2~3h, cooling discharging, tinning is up to heat-resistant moisture-proof type tape.
Example 1
It weighs 80g shrimp shells and grinds 21min, obtain abrasive flour, then abrasive flour quality 0.7% is added into abrasive flour
Biogas slurry, be fitted into fermentation tank, temperature be 30 DEG C under conditions of be sealed by fermentation 9 days, after fermentation, obtain tunning,
Then 5min is mixed by isometric ratio in pyridine and chloroform, obtains mixed solution；Continue tunning and mixing
Solution is 4 in mass ratio：1 mixing, and it is stirred to react 8min under 0 DEG C of condition of ice bath, reaction solution is obtained, is continued to reaction solution
Reaction 1h is mixed at being 68 DEG C in temperature, after reaction up to acylated shell in the caprylyl chloride of middle dropwise reaction liquid quality 10%
Glycan crude product；Acylation chitosan crude product is put into the extractor with acetone and extracts 3h, the acylation shell after extracting is gathered
Sugared crude product is placed in baking oven, and dry 1h at being 65 DEG C in temperature, grinding discharging obtains acylation chitosan powder, finally by acyl
It is 2 in mass ratio to change Chitosan powder, the glacial acetic acid solution that mass fraction is 98% and glutaraldehyde：7：1 mixing is placed in blender
13min is stirred, self-control chitosan-acetic acid solution is modified to obtain the final product after standing and defoaming；It weighs 35g river sands and grinds mistake after 15min
100 mesh sieve, and collect sieving river sand powder, are in mass ratio 7：2：1 will sieving river sand powder, Silane coupling reagent KH-570 and 12
10min is mixed in sodium alkyl sulfate, obtains mixture, continues sucrose and mixing that mixture quality 7% is added into mixture
The kitchen food residue of amount of substance 3%, is fitted into fermentation tank, is sealed by fermentation 9 days under conditions of temperature is 35 DEG C, waits for fermentation knot
Shu Hou takes out tunning, as modified river sand powder；Weighing 75g polypropylene and being heated to 165 DEG C makes its softening, obtains
Soften polypropylene, count in parts by weight, weighs 32 parts of softening polypropylene, 14 parts of modified self-control chitosan-acetic acid solutions and 6 respectively
The modified river sand powder mixing of part is placed in reaction kettle, stirs 1h under conditions of temperature is 45 DEG C, rotating speed is 280r/min, then add
Add 2 parts of absolute ethyl alcohols, 1 part of stearyl lactate and 3 parts of rosin, be warming up to 75 DEG C, continues that rotating speed is kept to be stirred to react 2h, it is cooling
Discharging, tinning is up to heat-resistant moisture-proof type tape.
Example 2
It weighs 90g shrimp shells and grinds 22min, obtain abrasive flour, then abrasive flour quality 0.7% is added into abrasive flour
Biogas slurry, be fitted into fermentation tank, temperature be 31 DEG C under conditions of be sealed by fermentation 10 days, after fermentation, obtain tunning,
Then 6min is mixed by isometric ratio in pyridine and chloroform, obtains mixed solution；Continue tunning and mixing
Solution is 4 in mass ratio：1 mixing, and it is stirred to react 9min under 0 DEG C of condition of ice bath, reaction solution is obtained, is continued to reaction solution
Reaction 1.5h is mixed at being 70 DEG C in temperature, after reaction up to acylated in the caprylyl chloride of middle dropwise reaction liquid quality 10%
Chitosan crude product；Acylation chitosan crude product is put into the extractor with acetone and extracts 3.5h, by the acylation after extracting
Chitosan crude product is placed in baking oven, and dry 2h at being 68 DEG C in temperature, grinding discharging obtains acylation chitosan powder, finally
It is 2 in mass ratio by glacial acetic acid solution and glutaraldehyde that acylation chitosan powder, mass fraction are 98%：7：1 mixing is placed in stirring
14min is stirred in machine, and self-control chitosan-acetic acid solution is modified to obtain the final product after standing and defoaming；It weighs after 38g river sands grind 16min
It sieves with 100 mesh sieve, collects sieving river sand powder, be in mass ratio 7：2：1 will sieving river sand powder, Silane coupling reagent KH-570 and ten
11min is mixed in sodium dialkyl sulfate, obtains mixture, continues that the sucrose of mixture quality 7% is added into mixture and mixes
The kitchen food residue for closing amount of substance 3%, is fitted into fermentation tank, is sealed by fermentation 9 days under conditions of temperature is 40 DEG C, waits fermenting
After, tunning is taken out, as modified river sand powder；Weighing 80g polypropylene and being heated to 170 DEG C makes its softening, obtains
To softening polypropylene, count in parts by weight, weigh respectively 34 parts of softening polypropylene, 15 parts of modified self-control chitosan-acetic acid solutions and
7 parts of modified river sand powder mixing are placed in reaction kettle, and 1.5h is stirred under conditions of temperature is 50 DEG C, rotating speed is 290r/min,
3 parts of absolute ethyl alcohols, 2 parts of stearyl lactate and 4 parts of rosin are added again, are warming up to 78 DEG C, continue that rotating speed is kept to be stirred to react
2.5h, cooling discharging, tinning is up to heat-resistant moisture-proof type tape.
Example 3
It weighs 100g shrimp shells and grinds 23min, obtain abrasive flour, then abrasive flour quality 0.7% is added into abrasive flour
Biogas slurry, be fitted into fermentation tank, temperature be 32 DEG C under conditions of be sealed by fermentation 11 days, after fermentation, obtain tunning,
Then 7min is mixed by isometric ratio in pyridine and chloroform, obtains mixed solution；Continue tunning and mixing
Solution is 4 in mass ratio：1 mixing, and it is stirred to react 10min under 0 DEG C of condition of ice bath, reaction solution is obtained, is continued to reaction
Reaction 2h is mixed at being 72 DEG C in temperature, after reaction up to acylated in the caprylyl chloride of dropwise reaction liquid quality 10% in liquid
Chitosan crude product；Acylation chitosan crude product is put into the extractor with acetone and extracts 4h, by the acylation shell after extracting
Glycan crude product is placed in baking oven, and dry 3h at being 70 DEG C in temperature, grinding discharging obtains acylation chitosan powder, finally will
The glacial acetic acid solution and glutaraldehyde that acylation chitosan powder, mass fraction are 98% are 2 in mass ratio：7：1 mixing is placed in blender
Middle stirring 15min, up to modified self-control chitosan-acetic acid solution after standing and defoaming；It weighs 40g river sands and grinds mistake after 17min
100 mesh sieve, and collect sieving river sand powder, are in mass ratio 7：2：1 will sieving river sand powder, Silane coupling reagent KH-570 and 12
12min is mixed in sodium alkyl sulfate, obtains mixture, continues sucrose and mixing that mixture quality 7% is added into mixture
The kitchen food residue of amount of substance 3%, is fitted into fermentation tank, is sealed by fermentation 10 days under conditions of temperature is 45 DEG C, waits for fermentation knot
Shu Hou takes out tunning, as modified river sand powder；Weighing 85g polypropylene and being heated to 175 DEG C makes its softening, obtains
Soften polypropylene, count in parts by weight, weighs 36 parts of softening polypropylene, 16 parts of modified self-control chitosan-acetic acid solutions and 8 respectively
The modified river sand powder mixing of part is placed in reaction kettle, stirs 2h under conditions of temperature is 55 DEG C, rotating speed is 300r/min, then add
Add 4 parts of absolute ethyl alcohols, 3 parts of stearyl lactate and 5 parts of rosin, be warming up to 80 DEG C, continues that rotating speed is kept to be stirred to react 3h, it is cooling
Discharging, tinning is up to heat-resistant moisture-proof type tape.
Comparative example
With the tape of Chengdu company production as a comparison case to heat-resistant moisture-proof type tape produced by the present invention and
Tape in comparative example is detected, and testing result is as shown in table 1：
It is tested with reference to JB/T10456-2004 industry requirements.
Water resistance test
The tape in clip equal length heat-resistant moisture-proof type tape produced by the present invention and comparative example is attached to together respectively
On one carton, then carton is placed in wet air, after 5 days, carton is taken out, checks adhesive tape appearance.
Xanthochromia performance test
Tape in heat-resistant moisture-proof type tape produced by the present invention and comparative example is cut into size respectively is：Width
The sample of 48mm, internal diameter 300mm, length 200m, it is spare.Said sample, which is placed on environment, is：Temperature 70 C, humidity 95% are permanent
After the uninterrupted 72h of constant temperature and humidity, observe and record.
1 performance measurement result of table
According to data in table 1 it is found that heat-resistant moisture-proof type tape produced by the present invention, have cohesive force is strong, heat-resisting quantity is good,
The features such as color inhibition ability is strong, environmentally safe, property indices meet JB/T10456-2004 industry requirements, and its
Water soak resistance can be excellent, and phenomena such as being not in blistering after being moistened has wide prospect of the application.
Claims (6)
1. a kind of preparation method of heat-resistant moisture-proof type tape, it is characterised in that specifically preparation process is：
（1）It weighs 80~100g shrimp shells to grind, obtains abrasive flour, then abrasive flour quality is added into abrasive flour
0.7% biogas slurry, is fitted into fermentation tank, is sealed by fermentation, after fermentation, tunning is obtained, then by pyridine and chloroform
By isometric than being mixed, mixed solution is obtained；
（2）Continue to mix tunning and mixed solution, and be stirred to react under 0 DEG C of condition of ice bath, obtains reaction solution, after
Continue the caprylyl chloride of the dropwise reaction liquid quality 10% into reaction solution, reaction is mixed, it is thick up to acylation chitosan after reaction
Product；
（3）Acylation chitosan crude product is put into the extractor with acetone and is extracted, the acylation chitosan after extracting is slightly produced
Object is placed in drying in baking oven, and grinding discharging obtains acylation chitosan powder, finally by acylation chitosan powder, glacial acetic acid solution
It is placed in blender and stirs with glutaraldehyde mixing, up to modified self-control chitosan-acetic acid solution after standing and defoaming；
（4）It weighs after 35~40g river sands are ground and sieves with 100 mesh sieve, collect sieving river sand powder, by sieving river sand powder, silicon
Alkane coupling agent kh-570 and lauryl sodium sulfate are mixed, and obtain mixture, continue that compounding substances are added into mixture
The kitchen food residue of the sucrose and mixture quality 3% of amount 7%, is fitted into fermentation tank, is sealed by fermentation, waits for after fermentation, taking
Go out tunning, as modified river sand powder；
（5）Weighing 75~85g polypropylene heat temperature raisings makes its softening, obtains softening polypropylene, counts, weigh respectively in parts by weight
32~36 parts of softening polypropylene, 14~16 parts of modified self-control chitosan-acetic acid solutions and 6~8 parts of modified river sand powder mixing are placed in
It is stirred in reaction kettle, then adds 2~4 parts of absolute ethyl alcohols, 1~3 part of stearyl lactate and 3~5 parts of rosin, be warming up to 75~80
DEG C, continue that rotating speed is kept to be stirred to react, cooling discharging, tinning is up to heat-resistant moisture-proof type tape.
2. a kind of preparation method of heat-resistant moisture-proof type tape according to claim 1, it is characterised in that：Step（1）
Described to grind the time be 21~23min, and fermentation temperature is 30~32 DEG C, and fermentation time is 9~11 days, when mixing
Between be 5~7min.
3. a kind of preparation method of heat-resistant moisture-proof type tape according to claim 1, it is characterised in that：Step（2）
The mass ratio of the tunning and mixed solution is 4：1, it is 8~10min to be stirred to react the time, and reaction temperature is mixed
It it is 68~72 DEG C, the mixing reaction time is 1~2h.
4. a kind of preparation method of heat-resistant moisture-proof type tape according to claim 1, it is characterised in that：Step（3）
The extraction times are 3~4h, and drying temperature is 65~70 DEG C, and drying time is 1~3h, acylation chitosan powder, quality
The mass ratio of glacial acetic acid solution and glutaraldehyde that score is 98% is 2：7：1, mixing time is 13~15min.
5. a kind of preparation method of heat-resistant moisture-proof type tape according to claim 1, it is characterised in that：Step（4）
The time that grinds is 15~17min, be sieved river sand powder, Silane coupling reagent KH-570 and lauryl sodium sulfate
Mass ratio is 7：2：1, the mixing time is 10~12min, and fermentation temperature is 35~45 DEG C, and fermentation time is 9~10 days.
6. a kind of preparation method of heat-resistant moisture-proof type tape according to claim 1, it is characterised in that：Step（5）
The heat temperature raising temperature is 165~175 DEG C, and whipping temp is 45~55 DEG C, and speed of agitator is 280~300r/min, is stirred
It is 1~2h to mix the time, and warming temperature is 75~80 DEG C, continues to be stirred to react the time as 2~3h.
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|---|---|---|---|
| CN201810262539.2A CN108546521A (en) | 2018-03-28 | 2018-03-28 | A kind of preparation method of heat-resistant moisture-proof type tape |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810262539.2A CN108546521A (en) | 2018-03-28 | 2018-03-28 | A kind of preparation method of heat-resistant moisture-proof type tape |
Publications (1)
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|---|---|
| CN108546521A true CN108546521A (en) | 2018-09-18 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103509474A (en) * | 2013-09-18 | 2014-01-15 | 滁州市光威化工有限公司 | Book and periodical side glue |
| CN104327776A (en) * | 2014-10-13 | 2015-02-04 | 合肥庭索环保材料有限公司 | Anti-oxidation wear-resistant bonding agent and preparation method thereof |
| CN107793228A (en) * | 2017-11-21 | 2018-03-13 | 常州创索新材料科技有限公司 | A kind of preparation method of the hydrophobic coated fertilizer of biodegradation type |
-
2018
- 2018-03-28 CN CN201810262539.2A patent/CN108546521A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103509474A (en) * | 2013-09-18 | 2014-01-15 | 滁州市光威化工有限公司 | Book and periodical side glue |
| CN104327776A (en) * | 2014-10-13 | 2015-02-04 | 合肥庭索环保材料有限公司 | Anti-oxidation wear-resistant bonding agent and preparation method thereof |
| CN107793228A (en) * | 2017-11-21 | 2018-03-13 | 常州创索新材料科技有限公司 | A kind of preparation method of the hydrophobic coated fertilizer of biodegradation type |
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Application publication date: 20180918 |