CN108003652A - A kind of preparation method of waterproof barrier material - Google Patents
A kind of preparation method of waterproof barrier material Download PDFInfo
- Publication number
- CN108003652A CN108003652A CN201711357926.6A CN201711357926A CN108003652A CN 108003652 A CN108003652 A CN 108003652A CN 201711357926 A CN201711357926 A CN 201711357926A CN 108003652 A CN108003652 A CN 108003652A
- Authority
- CN
- China
- Prior art keywords
- obtains
- bagasse
- stirring
- emulsifying
- barrier material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F289/00—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds not provided for in groups C08F251/00 - C08F287/00
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/08—Heat treatment
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/12—Chemical modification
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
- C08L101/02—Compositions of unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2301/02—Cellulose; Modified cellulose
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2451/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
- C08J2451/08—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
Landscapes
- Chemical & Material Sciences (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
The present invention relates to packaging material preparing technical field, and in particular to a kind of preparation method of waterproof barrier material.The present invention alkalizes the xanthate for making bagasse by oneself, obtain cellulose viscose, cellulose viscose is mixed with the modified emulsifying atoleine of grafted propylene acid and is placed in film balance, membrane obtains glued membrane, glued membrane is placed in coagulating bath after impregnating and is dried to obtain waterproof barrier material, when modified emulsifying atoleine is mixed with cellulose viscose in the present invention, paraffin drop hinders moisture to pass through fiber surface, the hydroxy radical content that cellulose gummed surface exposes is set to reduce and cover one layer of hydrophobic paraffin, so that the water resistance of packaging material improves, emulsifying liquid paraffin surface grafted propylene acid can be crosslinked with cellulose viscose, lift the compactness of the surface hydrophobicity paraffin layer of cellulose viscose, reduce the hydrophilic area of cellulose, so that packaging material has splendid water resistance, have a extensive future.
Description
Technical field
The present invention relates to packaging material preparing technical field, and in particular to a kind of preparation method of waterproof barrier material.
Background technology
Packaging material is widely used in the fields such as packing container, packing and decorating, packages printing, packed and transported, it is for work
Industry production, people's daily life play an important roll.With the industrialized continuous development in China, the species of industrial products and production
The raising year by year of amount, the Year's consumption of packaging material is also increasing, thus, Chinese society to the demand of packaging material drastically
Rise.
Traditional packaging material is usually using polyethylene, polypropylene as primary raw material, cheap, the system of these packaging materials
It is standby more convenient, but since these packaging materials are difficult degraded, serious problem of environmental pollution can be caused after abandoning.In recent years
Come, with the rapid development of packing technique, the continuous enhancing of people's environmental consciousness, environmental type packaging material is increasingly subject to
Favor.With the development of plant fiber packing material technology of preparing, nondegradable plastics based packaging material will be greatly reduced
Usage quantity, alleviates the serious realistic situation of white pollution.
But plant fiber packing material there is also some problems in process of production at present:Many plants are less susceptible to
Processing, and particle is larger, and material is easily uneven after making packaging material, therefore can produce various protrusions, causes to pack
Material appearance is unsightly;Some packaging materials cause to hold food etc. being easy to mouldy change due to the effect of no bacteriostasis antibiosis
Matter;Resistance to elevated temperatures is generally poor;Water proofing property is also poor etc..In addition, the compressive property of existing packaging material is generally all poor,
Easily it is damaged when being hit, so as to be difficult to realize the good protection to packing product.
It would therefore be highly desirable to there is a kind of environmentally friendly, uniform in material, antibacterial bacteriostatic and the packaging material that can be degraded.
The content of the invention
Present invention mainly solves technical problem, when being applied to marine transportation for current packaging material, water resistance is not
A kind of the defects of requirement can be reached, there is provided preparation method of waterproof barrier material.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is:
A kind of preparation method of waterproof barrier material, it is characterised in that specifically preparation process is:
(1)100~110mL atoleines and 200~220mL distilled water is taken to add in the twoport flask with blender and mix,
Heat temperature raising, 3~5gOP-10 is added in the beaker with 100~120mL distilled water, stirring, obtains aqueous emulsion, by water and milk
After liquid preheating, add into twoport flask, start blender, stirring and emulsifying, obtains emulsifying liquid paraffin;
(2)0.8~1.0gOP-10 is added in 40~50mL acrylic acid, stirring obtains emulsion acrylic, by emulsion acrylic and
Emulsifying liquid paraffin is placed in the three-necked flask with blender and dropping funel, heat temperature raising, starts blender, stirring and emulsifying
Afterwards, with dropping funel, 40~45mL thiosulfuric acid potassium solutions are added dropwise to three-necked flask, after being added dropwise, stirring reaction, is changed
Property emulsifying liquid paraffin;
(3)Sugarcane is placed in cane crusher and is squeezed the juice, obtains bagasse, 100~120g bagasse is placed in beaker, is continued
600~700mL sodium hydroxide solutions are added to beaker, stirring obtains alkalization bagasse suspension, by the bagasse suspension that alkalizes
Filter, remove filtrate and obtain bagasse alkalization fiber;
(4)Obtained bagasse alkalization fiber is put into the four-hole boiling flask with blender and dropping funel, to four-hole boiling flask
Middle addition 400~450mL sodium hydroxide solutions, heat temperature raising, 15~18mL, bis- sulphur is added dropwise with dropping funel into four-hole boiling flask
Change carbon, stirring reaction, obtains reaction product;
(5)Above-mentioned reaction product and 400~500mL Adlerikas are mixed, filtering, remove filtrate and obtain filter residue, will
Filter residue is washed with absolute ethyl alcohol, obtains yellow solid, and yellow solid is placed in baking oven, heat temperature raising, dry, obtains bagasse
Xanthate, into the xanthate of bagasse add 100~120mL sodium hydroxide solution, obtain cellulose viscose;
(6)Cellulose viscose is mixed with modified emulsifying atoleine, is placed in film balance, obtains glued membrane, by sulfuric acid solution with
Metabisulfite solution is mixed to get coagulating bath, glued membrane is placed in coagulating bath after impregnating and takes out and be put into baking oven, and heat temperature raising is dry
It is dry, obtain the waterproof barrier material.
Step(1)Temperature is 60~65 DEG C after the heat temperature raising, and mixing time is 10~15min, and aqueous emulsion preheats
Temperature is 60~65 DEG C afterwards, and speed of agitator is 200~230r/min, and the stirring and emulsifying time is 40~45min.
Step(2)The mixing time is 20~25min, and temperature is 70~75 DEG C after heat temperature raising, and speed of agitator is
300~350r/min, stirring and emulsifying time are 20~30min, and drop rate is 5~7mL/min, the matter of thiosulfuric acid potassium solution
It is 10% to measure fraction, and the stirring reaction time is 40~50min.
Step(3)The time of squeezing the juice is 20~25min, and the mass fraction of sodium hydroxide solution is 40%.
Step(4)The mass fraction of the sodium hydroxide solution is 25%, and temperature is 60~65 DEG C after heat temperature raising, drop
Rate of acceleration is 3~5mL/min, and the stirring reaction time is 2~3h.
Step(5)The mass fraction of the Adlerika is 25%, and the mixing time is 30~35min, and heating rises
Temperature is 50~55 DEG C after temperature, and drying time is 2~3h, and the mass fraction of sodium hydroxide solution is 20%.
Step(6)The mass ratio that the cellulose viscose is mixed with modified emulsifying atoleine is 5 ︰ 1, and membrane speed is
60~80cm/min, the mass fraction of sulfuric acid solution is 45%, and the mass fraction of metabisulfite solution is 35%, sulfuric acid solution and sulfuric acid
The volume ratio of sodium solution mixing be 3 ︰ 1, and dip time is 40~45min, and temperature is 50~60 DEG C after heat temperature raising, drying time
For 4~5h.
The beneficial effects of the invention are as follows:
(1)The present invention prepares aqueous emulsion with OP-10, mixes and disperses with atoleine after aqueous emulsion is preheated, obtains emulsifying liquid
Paraffin, emulsifying liquid paraffin is mixed with emulsion acrylic, and addition thiosulfuric acid potassium solution triggers, and heating stirring reaction, obtains
The modified emulsifying atoleine of grafted propylene acid, sugarcane is placed in juice extractor and drains to obtain bagasse, by degumming of alkalizing, is obtained
To bagasse alkalization fiber, bagasse alkalization fiber is mixed with carbon disulfide in alkaline conditions, heating reaction is reacted
Product, magnesium sulfate is added dropwise into reaction product, filtered, washing is dried to obtain the xanthate of bagasse, by the Huang of bagasse
Ortho esters continues to alkalize, and obtains cellulose viscose, and cellulose viscose is mixed with the modified emulsifying atoleine of grafted propylene acid
It is placed in film balance, glued membrane is obtained with given pace membrane, glued membrane is placed in coagulating bath after impregnating and is dried to obtain waterproofing packing
Material, when being mixed with cellulose viscose, the fine droplet of modified emulsifying atoleine passes through modified emulsifying atoleine in the present invention
Compacting is crossed after membrane in fiber surface, hydrophilic paraffin drop hinders moisture by fiber surface, in modified emulsifying atoleine
There are carboxyl esterification occurs with the hydroxyl in cellulose viscose, and modified emulsifying olefin fiber can be fixed on cellulose and stick
The surface of glue particle, makes the hydroxy radical content that cellulose gummed surface exposes reduce and cover one layer of hydrophobic paraffin, so that packaging
The water resistance of material improves;
(2)The main part of modified emulsifying atoleine is linear paraffin structure in the present invention, is existed in linear paraffin structure big
The methyl and methylene of amount, it is again at the same time hydrophobic group that they, which have larger bond energy, is had to the water proofing property for improving packaging material
Profit, during modified emulsifying atoleine and the mixed membrane of cellulose viscose, since emulsifying liquid paraffin surface is grafted
Acrylic acid can be crosslinked with cellulose viscose, the compactness of the surface hydrophobicity paraffin layer of cellulose viscose is got a promotion, bag
Cellulose is difficult to water absorption and swelling phenomenon occurs through dense hydrophobic paraffin layer in package material, avoids packaging material internal structure from being broken
Bad, in cellulose viscose preparation process, the xanthate of bagasse carries multiple oil phase avtive spots, causes under its water solubility
Drop, oil phase avtive spot and the lipophilic group in paraffin of xanthate can occur the reaction such as dehydrating condensation, esterification, reduce fiber
The hydrophilic area of element, so that packaging material has splendid water resistance, has a extensive future.
Embodiment
100~110mL atoleines and 200~220mL distilled water is taken to add in the twoport flask with blender and mix,
60~65 DEG C are heated to, 3~5gOP-10 is added in the beaker with 100~120mL distilled water, stirring 10~
15min, obtains aqueous emulsion, after aqueous emulsion is preheated to 60~65 DEG C, adds into twoport flask, starts blender, with 200~
The rotating speed stirring of 230r/min, 40~45min of stirring and emulsifying, obtains emulsifying liquid paraffin;0.8~1.0gOP-10 is added 40
In~50mL acrylic acid, 20~25min is stirred, emulsion acrylic is obtained, emulsion acrylic and emulsifying liquid paraffin is placed in band
In the three-necked flask for having blender and dropping funel, 70~75 DEG C are heated to, starts blender with 300~350r/min's
After 20~30min of rotating speed stirring and emulsifying, with dropping funel with the drop rate of 5~7mL/min, 40 are added dropwise to three-necked flask~
45mL mass fractions are 10% thiosulfuric acid potassium solution, and after being added dropwise, stirring 40~50min of reaction, obtains modified emulsifying liquid
Body paraffin;Sugarcane is placed in cane crusher the 20~25min that squeezes the juice, obtains bagasse, 100~120g bagasse is placed in burning
In cup, it is 40% sodium hydroxide solution to continue to add 600~700mL mass fractions to beaker, and stirring obtains alkalization bagasse and suspends
Liquid, alkalization bagasse suspension is filtered, and is removed filtrate and is obtained bagasse alkalization fiber;Obtained bagasse alkalization fiber is put
Enter in the four-hole boiling flask with blender and dropping funel, it is 25% that 400~450mL mass fractions are added into four-hole boiling flask
Sodium hydroxide solution, is heated to 60~65 DEG C, with dropping funel with the drop rate of 3~5mL/min into four-hole boiling flask
15~18mL carbon disulfide is added dropwise, stirring 2~3h of reaction, obtains reaction product;By above-mentioned reaction product and 400~500mL matter
Measure the Adlerika that fraction is 25% and 30~35min is mixed, filtering, removes filtrate and obtain filter residue, by filter residue with anhydrous second
Alcohol washs, and obtains yellow solid, yellow solid is placed in baking oven, is heated to 50~55 DEG C, dry 2~3h, obtains sweet
The xanthate of bagasse, the sodium hydroxide solution that 100~120mL mass fractions are 20% is added into the xanthate of bagasse,
Obtain cellulose viscose;Cellulose viscose is mixed with modified emulsifying atoleine 5 ︰ 1 in mass ratio, is placed in film balance, with
60~80cm/min speed membranes, obtain glued membrane, the sulfuric acid for being 35% by sulfuric acid solution and mass fraction that mass fraction is 45%
Sodium solution is mixed to get coagulating bath for 3 ︰ 1 by volume, and glued membrane is placed in coagulating bath to taking-up after impregnating 40~45min and is put into baking
In case, 50~60 DEG C are heated to, dry 4~5h, obtains the waterproof barrier material.Example 1
Take 100mL atoleines and 200mL distilled water to add in the twoport flask with blender and mix, be heated to 60
DEG C, 3gOP-10 is added in the beaker with 100mL distilled water, 10min is stirred, obtains aqueous emulsion, aqueous emulsion is preheated to 60
After DEG C, add into twoport flask, start blender, stirred with the rotating speed of 200r/min, stirring and emulsifying 40min, is emulsified
Atoleine;0.8gOP-10 is added in 40mL acrylic acid, 20min is stirred, obtains emulsion acrylic, by emulsion acrylic and
Emulsifying liquid paraffin is placed in the three-necked flask with blender and dropping funel, is heated to 70 DEG C, start blender with
After the rotating speed stirring and emulsifying 20min of 300r/min, with dropping funel with the drop rate of 5mL/min, it is added dropwise to three-necked flask
40mL mass fractions are 10% thiosulfuric acid potassium solution, and after being added dropwise, stirring reaction 40min, obtains modified emulsifying liquid stone
Wax;Sugarcane is placed in cane crusher the 20min that squeezes the juice, obtains bagasse, 100g bagasse is placed in beaker, is continued to burning
It is 40% sodium hydroxide solution that cup, which adds 600mL mass fractions, and stirring obtains alkalization bagasse suspension, and alkalization bagasse is hanged
Supernatant liquid filters, and removes filtrate and obtains bagasse alkalization fiber;Obtained bagasse alkalization fiber is put into blender and drop
In the four-hole boiling flask of liquid funnel, the sodium hydroxide solution that 400mL mass fractions are 25%, heat temperature raising are added into four-hole boiling flask
To 60 DEG C, 15mL carbon disulfide is added dropwise into four-hole boiling flask with the drop rate of 3mL/min with dropping funel, 2h is reacted in stirring,
Obtain reaction product;30min, mistake is mixed for 25% Adlerika in above-mentioned reaction product and 400mL mass fractions
Filter, removes filtrate and obtains filter residue, filter residue is washed with absolute ethyl alcohol, yellow solid is obtained, yellow solid is placed in baking oven, add
Heat is warming up to 50 DEG C, dry 2h, obtains the xanthate of bagasse, and 100mL mass point is added into the xanthate of bagasse
Number is 20% sodium hydroxide solution, obtains cellulose viscose;By cellulose viscose and modified emulsifying atoleine 5 ︰ in mass ratio
1 mixing, is placed in film balance, with 60cm/min speed membranes, obtains glued membrane, by the sulfuric acid solution and matter that mass fraction is 45%
It is that 3 ︰ 1 are mixed to get coagulating bath by volume to measure the metabisulfite solution that fraction is 35%, and glued membrane is placed in coagulating bath and is impregnated
Take out and be put into baking oven after 40min, be heated to 50 DEG C, dry 4h, obtains the waterproof barrier material.
Example 2
Take 105mL atoleines and 210mL distilled water to add in the twoport flask with blender and mix, be heated to 63
DEG C, 4gOP-10 is added in the beaker with 110mL distilled water, 13min is stirred, obtains aqueous emulsion, aqueous emulsion is preheated to 63
After DEG C, add into twoport flask, start blender, stirred with the rotating speed of 215r/min, stirring and emulsifying 43min, is emulsified
Atoleine;0.9gOP-10 is added in 45mL acrylic acid, 23min is stirred, obtains emulsion acrylic, by emulsion acrylic and
Emulsifying liquid paraffin is placed in the three-necked flask with blender and dropping funel, is heated to 73 DEG C, start blender with
After the rotating speed stirring and emulsifying 25min of 325r/min, with dropping funel with the drop rate of 6mL/min, it is added dropwise to three-necked flask
43mL mass fractions are 10% thiosulfuric acid potassium solution, and after being added dropwise, stirring reaction 45min, obtains modified emulsifying liquid stone
Wax;Sugarcane is placed in cane crusher the 23min that squeezes the juice, obtains bagasse, 110g bagasse is placed in beaker, is continued to burning
It is 40% sodium hydroxide solution that cup, which adds 650mL mass fractions, and stirring obtains alkalization bagasse suspension, and alkalization bagasse is hanged
Supernatant liquid filters, and removes filtrate and obtains bagasse alkalization fiber;Obtained bagasse alkalization fiber is put into blender and drop
In the four-hole boiling flask of liquid funnel, the sodium hydroxide solution that 425mL mass fractions are 25%, heat temperature raising are added into four-hole boiling flask
To 63 DEG C, 17mL carbon disulfide, stirring reaction are added dropwise into four-hole boiling flask with the drop rate of 4mL/min with dropping funel
2.5h, obtains reaction product;Above-mentioned reaction product and 450mL mass fractions are mixed for 25% Adlerika
33min, filtering, removes filtrate and obtains filter residue, filter residue is washed with absolute ethyl alcohol, yellow solid is obtained, yellow solid is placed in
In baking oven, 53 DEG C are heated to, dry 2.5h, obtains the xanthate of bagasse, added into the xanthate of bagasse
110mL mass fractions are 20% sodium hydroxide solution, obtain cellulose viscose;By cellulose viscose and modified emulsifying liquid stone
Wax 5 ︰ 1 in mass ratio are mixed, and are placed in film balance, with 70cm/min speed membranes, are obtained glued membrane, are 45% by mass fraction
The metabisulfite solution that sulfuric acid solution is 35% with mass fraction is that 3 ︰ 1 are mixed to get coagulating bath by volume, and glued membrane is placed in solidification
Take out and be put into baking oven after dipping 43min in bath, be heated to 55 DEG C, dry 4.5h, obtains the waterproof barrier material.
Example 3
Take 110mL atoleines and 220mL distilled water to add in the twoport flask with blender and mix, be heated to 65
DEG C, 5gOP-10 is added in the beaker with 120mL distilled water, 15min is stirred, obtains aqueous emulsion, aqueous emulsion is preheated to 65
After DEG C, add into twoport flask, start blender, stirred with the rotating speed of 230r/min, stirring and emulsifying 45min, is emulsified
Atoleine;1.0gOP-10 is added in 50mL acrylic acid, 25min is stirred, obtains emulsion acrylic, by emulsion acrylic and
Emulsifying liquid paraffin is placed in the three-necked flask with blender and dropping funel, is heated to 75 DEG C, start blender with
After the rotating speed stirring and emulsifying 30min of 350r/min, with dropping funel with the drop rate of 7mL/min, it is added dropwise to three-necked flask
45mL mass fractions are 10% thiosulfuric acid potassium solution, and after being added dropwise, stirring reaction 50min, obtains modified emulsifying liquid stone
Wax;Sugarcane is placed in cane crusher the 25min that squeezes the juice, obtains bagasse, 120g bagasse is placed in beaker, is continued to burning
It is 40% sodium hydroxide solution that cup, which adds 700mL mass fractions, and stirring obtains alkalization bagasse suspension, and alkalization bagasse is hanged
Supernatant liquid filters, and removes filtrate and obtains bagasse alkalization fiber;Obtained bagasse alkalization fiber is put into blender and drop
In the four-hole boiling flask of liquid funnel, the sodium hydroxide solution that 450mL mass fractions are 25%, heat temperature raising are added into four-hole boiling flask
To 65 DEG C, 18mL carbon disulfide is added dropwise into four-hole boiling flask with the drop rate of 5mL/min with dropping funel, 3h is reacted in stirring,
Obtain reaction product;35min, mistake is mixed for 25% Adlerika in above-mentioned reaction product and 500mL mass fractions
Filter, removes filtrate and obtains filter residue, filter residue is washed with absolute ethyl alcohol, yellow solid is obtained, yellow solid is placed in baking oven, add
Heat is warming up to 55 DEG C, dry 3h, obtains the xanthate of bagasse, and 120mL mass point is added into the xanthate of bagasse
Number is 20% sodium hydroxide solution, obtains cellulose viscose;By cellulose viscose and modified emulsifying atoleine 5 ︰ in mass ratio
1 mixing, is placed in film balance, with 80cm/min speed membranes, obtains glued membrane, by the sulfuric acid solution and matter that mass fraction is 45%
It is that 3 ︰ 1 are mixed to get coagulating bath by volume to measure the metabisulfite solution that fraction is 35%, and glued membrane is placed in coagulating bath and is impregnated
Take out and be put into baking oven after 45min, be heated to 60 DEG C, dry 5h, obtains the waterproof barrier material.
Comparative example
With the packaging material of Nanjing company production as a comparison case
Packaging material in waterproof barrier material produced by the present invention and comparative example is detected, testing result is as shown in table 1:
Waterproofing tests
Example 1~3 and comparative example product prepared by the present invention is placed in 60 DEG C of distilled water, after constant temperature immersion 24h, is calculated
Its water absorption rate.
Physical and mechanical property test
Tested using universal material tester.
Table 1
Test event | Example 1 | Example 2 | Example 3 | Comparative example |
Water absorption rate(%) | 0.10 | 0.09 | 0.08 | 0.53 |
Bacteriostasis rate(%) | 96.6 | 97.4 | 98.1 | 98.9 |
Contact angle(°) | 132 | 134 | 137 | 75 |
Tensile strength(MPa) | 15.3 | 16.7 | 17.5 | 7.5 |
Elongation at break(%) | 91 | 92 | 93 | 84 |
From the data in table 1, it can be seen that waterproof barrier material produced by the present invention, good waterproof performance, antibiotic property are strong, good mechanical performance, bright
It is aobvious to be better than comparative example product.Therefore, there is wide prospect of the application.
Claims (7)
1. a kind of preparation method of waterproof barrier material, it is characterised in that specifically preparation process is:
(1)100~110mL atoleines and 200~220mL distilled water is taken to add in the twoport flask with blender and mix,
Heat temperature raising, 3~5gOP-10 is added in the beaker with 100~120mL distilled water, stirring, obtains aqueous emulsion, by water and milk
After liquid preheating, add into twoport flask, start blender, stirring and emulsifying, obtains emulsifying liquid paraffin;
(2)0.8~1.0gOP-10 is added in 40~50mL acrylic acid, stirring obtains emulsion acrylic, by emulsion acrylic and
Emulsifying liquid paraffin is placed in the three-necked flask with blender and dropping funel, heat temperature raising, starts blender, stirring and emulsifying
Afterwards, with dropping funel, 40~45mL thiosulfuric acid potassium solutions are added dropwise to three-necked flask, after being added dropwise, stirring reaction, is changed
Property emulsifying liquid paraffin;
(3)Sugarcane is placed in cane crusher and is squeezed the juice, obtains bagasse, 100~120g bagasse is placed in beaker, is continued
600~700mL sodium hydroxide solutions are added to beaker, stirring obtains alkalization bagasse suspension, by the bagasse suspension that alkalizes
Filter, remove filtrate and obtain bagasse alkalization fiber;
(4)Obtained bagasse alkalization fiber is put into the four-hole boiling flask with blender and dropping funel, to four-hole boiling flask
Middle addition 400~450mL sodium hydroxide solutions, heat temperature raising, 15~18mL, bis- sulphur is added dropwise with dropping funel into four-hole boiling flask
Change carbon, stirring reaction, obtains reaction product;
(5)Above-mentioned reaction product and 400~500mL Adlerikas are mixed, filtering, remove filtrate and obtain filter residue, will
Filter residue is washed with absolute ethyl alcohol, obtains yellow solid, and yellow solid is placed in baking oven, heat temperature raising, dry, obtains bagasse
Xanthate, into the xanthate of bagasse add 100~120mL sodium hydroxide solution, obtain cellulose viscose;
(6)Cellulose viscose is mixed with modified emulsifying atoleine, is placed in film balance, obtains glued membrane, by sulfuric acid solution with
Metabisulfite solution is mixed to get coagulating bath, glued membrane is placed in coagulating bath after impregnating and takes out and be put into baking oven, and heat temperature raising is dry
It is dry, obtain the waterproof barrier material.
A kind of 2. preparation method of waterproof barrier material according to claim 1, it is characterised in that:Step(1)Described
Temperature is 60~65 DEG C after heat temperature raising, and mixing time is 10~15min, and temperature is 60~65 DEG C after aqueous emulsion preheating, stirring
Rotating speed is 200~230r/min, and the stirring and emulsifying time is 40~45min.
A kind of 3. preparation method of waterproof barrier material according to claim 1, it is characterised in that:Step(2)Described
Mixing time is 20~25min, and temperature is 70~75 DEG C after heat temperature raising, and speed of agitator is 300~350r/min, stirring and emulsifying
Time is 20~30min, and drop rate is 5~7mL/min, and the mass fraction of thiosulfuric acid potassium solution is 10%, when stirring is reacted
Between be 40~50min.
A kind of 4. preparation method of waterproof barrier material according to claim 1, it is characterised in that:Step(3)Described
Time of squeezing the juice is 20~25min, and the mass fraction of sodium hydroxide solution is 40%.
A kind of 5. preparation method of waterproof barrier material according to claim 1, it is characterised in that:Step(4)Described
The mass fraction of sodium hydroxide solution is 25%, and temperature is 60~65 DEG C after heat temperature raising, and drop rate is 3~5mL/min, is stirred
It is 2~3h to mix the reaction time.
A kind of 6. preparation method of waterproof barrier material according to claim 1, it is characterised in that:Step(5)Described
The mass fraction of Adlerika is 25%, and the mixings time be 30~35min, and temperature is 50~55 DEG C after heat temperature raising, dry
The dry time is 2~3h, and the mass fraction of sodium hydroxide solution is 20%.
A kind of 7. preparation method of waterproof barrier material according to claim 1, it is characterised in that:Step(6)Described
The mass ratio that cellulose viscose is mixed with modified emulsifying atoleine is 5 ︰ 1, and membrane speed is 60~80cm/min, sulfuric acid solution
Mass fraction be 45%, the mass fraction of metabisulfite solution is 35%, and the volume ratio that sulfuric acid solution is mixed with metabisulfite solution is
3 ︰ 1, dip time are 40~45min, and temperature is 50~60 DEG C after heat temperature raising, and drying time is 4~5h.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711357926.6A CN108003652A (en) | 2017-12-17 | 2017-12-17 | A kind of preparation method of waterproof barrier material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711357926.6A CN108003652A (en) | 2017-12-17 | 2017-12-17 | A kind of preparation method of waterproof barrier material |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108003652A true CN108003652A (en) | 2018-05-08 |
Family
ID=62059283
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711357926.6A Withdrawn CN108003652A (en) | 2017-12-17 | 2017-12-17 | A kind of preparation method of waterproof barrier material |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108003652A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108864981A (en) * | 2018-07-19 | 2018-11-23 | 佛山皖阳生物科技有限公司 | A kind of preparation method of water-fast anti-aging splicing adhesive |
-
2017
- 2017-12-17 CN CN201711357926.6A patent/CN108003652A/en not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108864981A (en) * | 2018-07-19 | 2018-11-23 | 佛山皖阳生物科技有限公司 | A kind of preparation method of water-fast anti-aging splicing adhesive |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107746584B (en) | Preparation method of waterproof cellophane | |
CN106319757B (en) | The anti-oxidant nano fibrous membrane of electrospinning polyvinyl alcohol based tannic acid | |
CN107629426A (en) | Bamboo fibre/lactic acid composite material and preparation method thereof | |
CN104987516A (en) | Preparation method for pH intelligent response membrane with nano-crystalline cellulose for enhancing tara gum substrate | |
CN114164704B (en) | Fluoride-free waterproof and oil-proof agent for pulp molding pulp and use method thereof | |
CN110499668A (en) | The preparation process of high water resistant fluting medium for vegetables packaging | |
CN107938420A (en) | A kind of preparation method of biodegradation type greaseproof | |
CN106633126B (en) | Utilize the method for cation nanometer microcrystalline cellulose enhancing hemicellulose membrane | |
CN108003652A (en) | A kind of preparation method of waterproof barrier material | |
CN106758491A (en) | A kind of light basis weight protection against the tide coated manila and preparation method thereof | |
CN102797194B (en) | Moisture-proof agent for paper surface and preparation method for moisture-proof agent | |
CN102838769B (en) | Preparation method of moisture absorption packaging film | |
CN115491931A (en) | Fluoride-free paper pulp molded product and preparation method thereof | |
CN105462537A (en) | UV-cured rapid-adhesion biomass aqueous adhesive | |
CN109939569A (en) | The resource utilization method of lignin in a kind of formic acid pulping waste liquor | |
CN106436477A (en) | Low basis weight damp-proof coated white board and preparation method thereof | |
CN109235128A (en) | A kind of preparation method of high intensity impregnated paper | |
CN102604453B (en) | Special nanometer composite seal paint for woodware and preparing method thereof | |
CN109056424A (en) | A kind of preparation method of degradable food packaging greaseproof | |
CN103692709A (en) | Flame-retardant waterproof phase-change energy storage formaldehyde-free solid wood composite plate and manufacturing method thereof | |
CN102775937A (en) | Preparation method of adhesive used for producing corrugated board | |
CN106087581A (en) | A kind of preparation method of flame-proof antibiotic composite air filter paper | |
CN101337607B (en) | Polystyrene foam recovery regeneration buffer packing gasket and production method thereof | |
CN108928559A (en) | A kind of preparation method of high tensile elasticity cellulose membrane | |
CN104788693A (en) | Preparation method of renewable and degradable packaging film |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180508 |
|
WW01 | Invention patent application withdrawn after publication |