CN107313288A - A kind of preparation technology of the organic overlay film emulsion of nanometer water - Google Patents
A kind of preparation technology of the organic overlay film emulsion of nanometer water Download PDFInfo
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- CN107313288A CN107313288A CN201710502486.2A CN201710502486A CN107313288A CN 107313288 A CN107313288 A CN 107313288A CN 201710502486 A CN201710502486 A CN 201710502486A CN 107313288 A CN107313288 A CN 107313288A
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- overlay film
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/12—Coatings without pigments applied as a solution using water as the only solvent, e.g. in the presence of acid or alkaline compounds
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
- C09D123/02—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D123/04—Homopolymers or copolymers of ethene
- C09D123/06—Polyethene
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- Engineering & Computer Science (AREA)
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Abstract
The invention discloses a kind of preparation technology of the organic overlay film emulsion of nanometer water, by small molecule high density polyethylene (HDPE) homopolymer, emulsifying agent, assistant for emulsifying agent, PH conditioning agents, deionized water by than being reloaded into sealed steam heating response kettle and sealing, heat rapidly and stirring makes content occur states of matter change and the dispersion of stable and uniform is formed with solvent rapidly, food or article packaging can be widely used in as paper covering material to replace polybag etc. to be difficult to the packaging material degraded, pollution of the difficulty and reduction that reduction subsequent recovery is handled to environment.
Description
Technical field
The present invention relates to a kind of production technology of the organic overlay film emulsion of nanometer water, more particularly to nanoscale organic emulsion
Material, available for the papery or spinning cloth packaging contacted with food skin, reduces the seepage of waterborne liquid and strengthens and pack anti-pull
Deng physical strength, the preferable substitute products of packaging material can be decomposed as the hardly possible such as polybag by the paper product of overlay film, after reduction
The pollution of the continuous difficulty recycled and reduction to environment, and due to its premium properties, in food wrapper（Damp-proof sanitary）, spin
Fabric（Yarn）, coating, glass fibre, ceramics and leather processing field be widely used, belong to chemical technology field.
Background technology
Country's main flow stationery Food Packaging technology is the plastic sheeting on overlay film on the inside of paper at present, and paper mainly provides increasing
Strong structure intensity and ornamental function, and the plastic sheeting covered in it is difficult to recycling and is not suitable for large-scale use.
And the emulsion applications using high density polyethylene (HDPE) homopolymer as interior phase are in the coating overlay film of packaging for foodstuff paper, with high temperature resistant, film
Packaging overall construction intensity is had a distinct increment after the advantages of fine and close, the waterproof and dampproof, high temperature resistant of layer, safety and sanitation, coating overlay film,
Be easily handled and it is environmentally friendly, harmless the features such as, packaging for foodstuff paper and coating can be used on a large scale to replace current city
Common plastics and other polyethylene kind overlay film wrapping papers on field, because its excellent performance can also be used as weaving, fiber, ceramics
And the surface modification of leather product, and this product production process is fully sealed and without any harmful substance output, do not have to environment
Have an impact.
The organic overlay film emulsion of nanometer water have wide purposes, environmental protection and energy saving, economy, it is safe the features such as, sent out in America and Europe etc.
Large-scale use has been put into up to countries and regions.But because raw material and production technology are restricted, most domestic product emulsion according to
Rely import.
The content of the invention
The technical problem to be solved in the present invention is that deficiency can be used for the nanometer water of food wrapper there is provided a kind of for more than
Property overlay film emulsion preparation technology, can obtain one kind using the production technology can be in wrapper surface formation safety and sanitation, anti-
The overlay film coating of damp antiseepage, is subsequently easily processed and can realize recycling and the safety and environmental protection of wrapping paper, substitutes PE or PET and covers
Film（It is unfavorable for reclaiming）Wrapping paper, by the aqueous overlay film emulsion for preparing of the present invention, at a certain temperature by spraying, hot pressing and
In one layer of moisture-proof and seepage-proof of paper surface formation, safety and sanitation, excellent anti scuffing, wear-resistant the overlay film coating, profit such as wear-resisting after drying
In the recycling and follow-up harmless treatment of packaging material for food.
In order to solve the above technical problems, the technical solution adopted by the present invention is as follows：A kind of organic overlay film breast of nanometer water
The preparation technology of liquid, comprises the following steps：
(1) feeding is prepared：By small molecule high density polyethylene (HDPE) homopolymer, emulsifying agent, assistant for emulsifying agent, PH conditioning agents and deionized water
According to matter ratio（150-300）:（18-36）:（6-12）:（20-35）:（350-800）Quality proportioning, after weighing load sealing
In steam heating response kettle.
(2) heating and thermal insulation：Insertion thermocouple simultaneously switches on power, and adjustment turbine agitator rotating speed delays to 110-180r/min
When being warming up to 120 DEG C slowly, stop heating, waste heat is continued to be heated to increase after 140 DEG C rotating speed to 300r-450/min, continue guarantor
It is warm 2-4 hours；
(3) cooling is come out of the stove：Rotating speed keeps 300-450r/min, insulation to discharge steam after terminating and be passed through cooling rapidly during insulation
Water, and rotating speed is reduced to 60-90r/min, question response kettle cavity temperature is cooled to 50 DEG C, opens sealing reactor, takes out aqueous
Emulsion.
(4) screening is filtered：The water-based emulsion of taking-up is subjected to screening by 60-300nm screen packs, big block exists after screening
It is reusable under the emulsion solid content that guarantee has been produced.
(5) weigh filling：Water-based emulsion is translucent milky or light yellow, by filtering, testing, weigh, filling etc.
Process had both obtained the organic overlay film emulsion of nano-scale water.
Further, (1) middle emulsifying agent, assistant for emulsifying agent are mainly APES class non-ionic additive to step, plus
Enter the 20-35% that amount is Natene quality of materials；
Further, (1) middle PH conditioning agents are food-grade ammoniacal liquor to step, and addition is emulsifying agent and the 15- of assistant for emulsifying agent quality
20%。
The present invention uses above technical scheme, compared with prior art, with advantages below：
(1) present invention process process is simple, energy-conserving and environment-protective relatively low to equipment requirement.
(2) the overlay film emulsion prepared is that Natene grain diameter can reach in light yellow clear liquid, emulsion
Below 100nm；Solid content 29.3-38.5.
(3) overlay film emulsion can form fine and close, uniform coated film, the molecule side chain of Natene in paper surface
It can penetrate into and form the covalent interface of coupling in paper with paper, it is difficult for drop-off；
Static water contact angles DEG C（30s）For 75.36 °；Water adsorption rate % is 11.34；Thermophilic digestion（100℃）Have no coat
Separated with paper；Rubbing number reaches 527, is 6.3 times of uncoated emulsion.
(4) supplementary material used is all the green material of safety and environmental protection, and process is simple, and no poisonous and harmful substance is produced；
(5) aqueous overlay film emulsion can add water and be blent according to required, easy to use；
(6) subsequent treatment is simple and easy to apply, is the environmentally friendly packing material recycled.
With reference to embodiment, the present invention will be further described.
Embodiment
A kind of embodiment 1, preparation technology of the organic overlay film emulsion of nanometer water, comprises the following steps：
(1) feeding is prepared：By small molecule Natene, emulsifying agent, assistant for emulsifying agent, PH conditioning agents and deionized water according to matter
Ratio 150:20:6:20:350 quality proportioning, loads in sealed steam heating response kettle after weighing.
(2) heating and thermal insulation：Insertion thermocouple simultaneously switches on power, and adjustment turbine agitator rotating speed delays to 110-180r/min
When being warming up to 120 DEG C slowly, stop heating, waste heat is continued to be heated to increase after 140 DEG C rotating speed to 300r-450/min, continue guarantor
It is warm 2-4 hours；
(3) cooling is come out of the stove：Rotating speed keeps 300-450r/min, insulation to discharge steam after terminating and be passed through cooling rapidly during insulation
Water, and rotating speed is reduced to 60-90r/min, question response kettle cavity temperature is cooled to 50 DEG C, opens sealing reactor, extracts water outlet
Property emulsion.
(4) screening is filtered：The water-based emulsion extracted is subjected to screening, slag after screening by the screen pack of 5000-8000 mesh
Material is reusable.
(5) weigh filling：Water-based emulsion is translucent milky or light yellow, by filtering, testing, weigh, filling etc.
Process had both obtained the organic overlay film emulsion of nano-scale water.
The technical indicator of obtained organic overlay film emulsion：
| Project | Solid content | Outward appearance | PH value | Stability |
| Technical indicator | 29.3 | Milky | 8.2 | It is not stratified, be not demulsified, do not lump |
A kind of embodiment 2, preparation technology of the organic overlay film emulsion of nanometer water, comprises the following steps：
(1) feeding is prepared：By small molecule high density polyethylene (HDPE) homopolymer, emulsifying agent, assistant for emulsifying agent, PH conditioning agents and deionized water
According to matter ratio 170:22:8:22:400 quality proportioning, loads in sealed steam heating response kettle after weighing.
(2) heating and thermal insulation：Insertion thermocouple simultaneously switches on power, and adjustment turbine agitator rotating speed delays to 110-180r/min
When being warming up to 120 DEG C slowly, stop heating, waste heat is continued to be heated to increase after 140 DEG C rotating speed to 300r-450/min, continue guarantor
It is warm 2-4 hours；
(3) cooling is come out of the stove：Rotating speed keeps 300-450r/min, insulation to discharge steam after terminating and be passed through cooling rapidly during insulation
Water, and rotating speed is reduced to 60-90r/min, question response kettle cavity temperature is cooled to 50 DEG C, opens sealing reactor, takes out aqueous
Emulsion.
(4) screening is filtered：The water-based emulsion of taking-up is subjected to screening by 5000-8000 mesh screen pack, slag charge can after screening
Reuse.
(5) weigh filling：Water-based emulsion is translucent milky or light yellow, by filtering, testing, weigh, filling etc.
Process had both obtained the organic overlay film emulsion of nano-scale water.
| Project | Solid content | Outward appearance | PH value | Stability |
| Technical indicator | 30.7 | Light milky white | 8.4 | It is not stratified, be not demulsified, do not lump |
A kind of embodiment 3, preparation technology of the organic overlay film emulsion of nanometer water, comprises the following steps：
(1) feeding is prepared：By small molecule high density polyethylene (HDPE) homopolymer, emulsifying agent, assistant for emulsifying agent, PH conditioning agents and deionized water
According to matter ratio 180:24:8:24:400 quality proportioning, loads in sealed steam heating response kettle after weighing.
(2) heating and thermal insulation：Insertion thermocouple simultaneously switches on power, and adjustment turbine agitator rotating speed delays to 110-180r/min
When being warming up to 120 DEG C slowly, stop heating, waste heat is continued to be heated to increase after 140 DEG C rotating speed to 300r-450/min, continue guarantor
It is warm 2-4 hours；
(3) cooling is come out of the stove：Rotating speed keeps 300-450r/min, insulation to discharge steam after terminating and be passed through cooling rapidly during insulation
Water, and rotating speed is reduced to 60-90r/min, question response kettle cavity temperature is cooled to 50 DEG C, opens sealing reactor, takes out aqueous
Emulsion.
(4) screening is filtered：The water-based emulsion of taking-up is subjected to screening, bulk slag charge after screening by 60-300nm screen packs
It can reuse next time.
(5) weigh filling：Water-based emulsion is translucent milky or light yellow, by filtering, testing, weigh, filling etc.
Process had both obtained the organic overlay film emulsion of nano-scale water.
| Project | Solid content | Outward appearance | PH value | Stability |
| Technical indicator | 31.5 | Transparent ivory buff | 8.5 | It is not stratified, be not demulsified, do not lump |
A kind of embodiment 4, preparation technology of the organic overlay film emulsion of nanometer water, comprises the following steps：
(1) feeding is prepared：By small molecule high density polyethylene (HDPE) homopolymer, emulsifying agent, assistant for emulsifying agent, PH conditioning agents and deionized water
According to matter ratio 200:26:10:26:400 quality proportioning, loads in sealed steam heating response kettle after weighing.
(2) heating and thermal insulation：Insertion thermocouple simultaneously switches on power, and adjustment turbine agitator rotating speed delays to 110-180r/min
When being warming up to 120 DEG C slowly, stop heating, waste heat is continued to be heated to increase after 140 DEG C rotating speed to 300r-450/min, continue guarantor
It is warm 2-4 hours；
(3) cooling is come out of the stove：Rotating speed keeps 300-450r/min, insulation to discharge steam after terminating and be passed through cooling rapidly during insulation
Water, and rotating speed is reduced to 60-90r/min, question response kettle cavity temperature is cooled to 50 DEG C, opens sealing reactor, takes out aqueous
Emulsion.
(4) screening is filtered：The water-based emulsion of taking-up is filtered by 5000-8000 mesh filter screens, slag charge can use after filtering
Produced in next time.
(5) weigh filling：Water-based emulsion is translucent milky or light yellow, by filtering, testing, weigh, filling etc.
Process had both obtained the organic overlay film emulsion of nano-scale water.
| Project | Solid content | Outward appearance | PH value | Stability |
| Technical indicator | 32.8 | Clear, yellowish | 8.8 | It is not stratified, be not demulsified, do not lump |
A kind of embodiment 5, preparation technology of the organic overlay film emulsion of nanometer water, comprises the following steps：
(1) feeding is prepared：By small molecule high density polyethylene (HDPE) homopolymer, emulsifying agent, assistant for emulsifying agent, PH conditioning agents and deionized water
According to matter ratio 240:28:12:28:400 quality proportioning, loads in sealed steam heating response kettle after weighing.
(2) heating and thermal insulation：Insertion thermocouple simultaneously switches on power, and adjustment turbine agitator rotating speed delays to 110-180r/min
When being warming up to 120 DEG C slowly, stop heating, waste heat is continued to be heated to increase after 140 DEG C rotating speed to 300r-450/min, continue guarantor
It is warm 2-4 hours；
(3) cooling is come out of the stove：Rotating speed keeps 300-450r/min, insulation to discharge steam after terminating and be passed through cooling rapidly during insulation
Water, and rotating speed is reduced to 60-90r/min, question response kettle cavity temperature is cooled to 50 DEG C, opens sealing reactor, takes out aqueous
Emulsion.
(4) screening is filtered：The water-based emulsion of taking-up is filtered by 5000-8000 mesh filter screens, slag charge can use after filtering
Produced in next time.
(5) weigh filling：Water-based emulsion is translucent milky or light yellow, by filtering, testing, weigh, filling etc.
Process had both obtained the organic overlay film emulsion of nano-scale water.
| Project | Solid content | Outward appearance | PH value | Stability |
| Technical indicator | 35.3 | Clear, yellowish | 9.0 | It is not stratified, be not demulsified, do not lump |
A kind of embodiment 6, preparation technology of the organic overlay film emulsion of nanometer water, comprises the following steps：
(1) feeding is prepared：By small molecule high density polyethylene (HDPE) homopolymer, emulsifying agent, assistant for emulsifying agent, PH conditioning agents and deionized water
According to matter ratio 280:30:12:30:400 quality proportioning, loads in sealed steam heating response kettle after weighing.
(2) heating and thermal insulation：Insertion thermocouple simultaneously switches on power, and adjustment turbine agitator rotating speed delays to 110-180r/min
When being warming up to 120 DEG C slowly, stop heating, waste heat is continued to be heated to increase after 140 DEG C rotating speed to 300r-450/min, continue guarantor
It is warm 2-4 hours；
(3) cooling is come out of the stove：Rotating speed keeps 300-450r/min, insulation to discharge steam after terminating and be passed through cooling rapidly during insulation
Water, and rotating speed is reduced to 60-90r/min, question response kettle cavity temperature is cooled to 50 DEG C, opens sealing reactor, takes out aqueous
Emulsion.
(4) screening is filtered：The water-based emulsion of taking-up is filtered by 5000-8000 mesh filter screens, slag charge can use after filtering
Produced in next time.
(5) weigh filling：Water-based emulsion is translucent milky or light yellow, by filtering, testing, weigh, filling etc.
Process had both obtained the organic overlay film emulsion of nano-scale water.
Technical indicator：
| Project | Solid content | Outward appearance | PH value | Stability |
| Technical indicator | 38.5 | Clear, yellowish | 9.0 | It is not stratified, be not demulsified, do not lump |
A kind of embodiment 7, preparation technology of the organic overlay film emulsion of nanometer water, comprises the following steps：
(1) feeding is prepared：By small molecule high density polyethylene (HDPE) homopolymer, emulsifying agent, assistant for emulsifying agent, PH conditioning agents and deionized water
According to matter ratio 320:32:12:32:400 quality proportioning, loads in sealed steam heating response kettle after weighing.
(2) heating and thermal insulation：Insertion thermocouple simultaneously switches on power, and adjustment turbine agitator rotating speed delays to 110-180r/min
When being warming up to 120 DEG C slowly, stop heating, waste heat is continued to be heated to increase after 140 DEG C rotating speed to 300r-450/min, continue guarantor
It is warm 2-4 hours；
(3) cooling is come out of the stove：Rotating speed keeps 300-450r/min, insulation to discharge steam after terminating and be passed through cooling rapidly during insulation
Water, and rotating speed is reduced to 60-90r/min, question response kettle cavity temperature is cooled to 50 DEG C, opens sealing reactor, takes out aqueous
Emulsion.
(4) screening is filtered：The water-based emulsion of taking-up is filtered by 5000-8000 mesh filter screens, slag charge can use after filtering
Produced in next time.
(5) weigh filling：Water-based emulsion is translucent milky or light yellow, by filtering, testing, weigh, filling etc.
Process had both obtained the organic overlay film emulsion of nano-scale water.
Technical indicator：
| Project | Solid content | Outward appearance | PH value | Stability |
| Technical indicator | 41.7 | Clear, yellowish | 8.9 | It is not stratified, be not demulsified, do not lump |
A kind of embodiment 8, preparation technology of the organic overlay film emulsion of nanometer water, comprises the following steps：
(1) feeding is prepared：By small molecule high density polyethylene (HDPE) homopolymer, emulsifying agent, assistant for emulsifying agent, PH conditioning agents and deionized water
According to matter ratio 350:36:12:35:400 quality proportioning, loads in sealed steam heating response kettle after weighing.
(2) heating and thermal insulation：Insertion thermocouple simultaneously switches on power, and adjustment turbine agitator rotating speed delays to 110-180r/min
When being warming up to 120 DEG C slowly, stop heating, waste heat is continued to be heated to increase after 140 DEG C rotating speed to 300r-450/min, continue guarantor
It is warm 2-4 hours；
(3) cooling is come out of the stove：Rotating speed keeps 300-450r/min, insulation to discharge steam after terminating and be passed through cooling rapidly during insulation
Water, and rotating speed is reduced to 60-90r/min, question response kettle cavity temperature is cooled to 50 DEG C, opens sealing reactor, takes out aqueous
Emulsion.
(4) screening is filtered：The water-based emulsion of taking-up is filtered by 1000-2000 mesh filter screens, slag charge can use after filtering
Produced in next time.
(5) weigh filling：Water-based emulsion is translucent milky or light yellow, by filtering, testing, weigh, filling etc.
Process had both obtained the organic overlay film emulsion of nano-scale water.
Technical indicator：
| Project | Solid content | Outward appearance | PH value | Stability |
| Technical indicator | 43.6 | Milky | 9.0 | It is not stratified, be not demulsified, have flocks |
A kind of embodiment 9, preparation technology of the organic overlay film emulsion of nanometer water, comprises the following steps：
(1) feeding is prepared：By small molecule high density polyethylene (HDPE) homopolymer, emulsifying agent, assistant for emulsifying agent, PH conditioning agents and deionized water
According to matter ratio 350:36:12:35:500 quality proportioning, loads in sealed steam heating response kettle after weighing.
(2) heating and thermal insulation：Insertion thermocouple simultaneously switches on power, and adjustment turbine agitator rotating speed delays to 110-180r/min
When being warming up to 120 DEG C slowly, stop heating, waste heat is continued to be heated to increase after 140 DEG C rotating speed to 300r-450/min, continue guarantor
It is warm 2-4 hours；
(3) cooling is come out of the stove：Rotating speed keeps 300-450r/min, insulation to discharge steam after terminating and be passed through cooling rapidly during insulation
Water, and rotating speed is reduced to 60-90r/min, question response kettle cavity temperature is cooled to 50 DEG C, opens sealing reactor, takes out aqueous
Emulsion.
(4) screening is filtered：The water-based emulsion of taking-up is filtered by 5000-8000 mesh filter screens, slag charge can use after filtering
Produced in next time.
(5) weigh filling：Water-based emulsion is translucent milky or light yellow, by filtering, testing, weigh, filling etc.
Process had both obtained the organic overlay film emulsion of nano-scale water.
Technical indicator：
| Project | Solid content | Outward appearance | PH value | Stability |
| Technical indicator | 38.3 | Clear, yellowish | 8.8 | It is not stratified, be not demulsified, do not lump |
A kind of embodiment 10, preparation technology of the organic overlay film emulsion of nanometer water, comprises the following steps：
(1) feeding is prepared：By small molecule high density polyethylene (HDPE) homopolymer, emulsifying agent, assistant for emulsifying agent, PH conditioning agents and deionized water
According to matter ratio 350:36:12:35:800 quality proportioning, loads in sealed steam heating response kettle after weighing.
(2) heating and thermal insulation：Insertion thermocouple simultaneously switches on power, and adjustment turbine agitator rotating speed delays to 110-180r/min
When being warming up to 120 DEG C slowly, stop heating, waste heat is continued to be heated to increase after 140 DEG C rotating speed to 300r-450/min, continue guarantor
It is warm 2-4 hours；
(3) cooling is come out of the stove：Rotating speed keeps 300-450r/min, insulation to discharge steam after terminating and be passed through cooling rapidly during insulation
Water, and rotating speed is reduced to 60-90r/min, question response kettle cavity temperature is cooled to 50 DEG C, opens sealing reactor, takes out aqueous
Emulsion.
(4) screening is filtered：The water-based emulsion of taking-up is filtered by 5000-8000 mesh filter screens, slag charge can use after filtering
Produced in next time.
(5) weigh filling：Water-based emulsion is translucent milky or light yellow, by filtering, testing, weigh, filling etc.
Process had both obtained the organic overlay film emulsion of nano-scale water.
Technical indicator：
| Project | Solid content | Outward appearance | PH value | Stability |
| Technical indicator | 29.7 | Milky | 8.1 | It is not stratified, be not demulsified, have flocks |
As Natene is with specific mass increase it can be seen from above experiment embodiment, corresponding emulsifying agent and emulsification is helped
Agent should also increase, and pH value conditioning agent should also assist in corresponding emulsion process, but be not unrestricted increase, suitably with Bizet
It is to prepare emulsion key.
3,4,5,6,7,9 products obtained therefroms are the particle diameters of Natene in transparent color, emulsion in above example
Nanoscale is reached after testing, reaches the technical indicator of requirement.
Here is to carry out experimental verification to the clear, yellowish emulsion obtained in No. 5 examples：
1st, first by Emulsion Spraying after the paperboard surface without any processing, by hot blast（About 60-75 DEG C）Toast 1-2 small
When；
2nd, by the dried paperboard after air cooking, then by surface temperature for 130-150 DEG C hot-pressing roller carry out hot pressing, hot pressing
Time is about 2-3min；
3rd, the cardboard for coating nanoemulsions prepared is cut into A4 paper sizes（297*210mm）, then cut same size
The cardboard without any processing of size sample as a comparison.
Tested by Static water contact, hot gluten substitute and intensity pulling experiment, draw following data form：
| Test subject | Sample 1（Coat emulsion） | Sample 2（Uncoated emulsion） |
| Static water contact angles DEG C（30s） | 75.36° | 0-5° |
| Water adsorption rate % | 11.34 | 88.42 |
| Thermophilic digestion（100℃） | Have no that coat is separated with paper | / |
| Tensile strength N | 97.86 | 96.91 |
| Elongation at break % | 25.7 | 25.1 |
| Rubbing number | 527 | 84 |
As a result show, coating has very strong binding ability between the paper and emulsion of Natene emulsion, hydrophobic function,
With obvious waterproof and dampproof function, resistance to elevated temperatures, crocking resistance, heated to be unlikely to deform, stability is good.
The above described is only a preferred embodiment of the present invention, being not the limitation for making other forms to the present invention, appoint
What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc.
Imitate embodiment.But it is every without departing from technical solution of the present invention content, the technical spirit according to the present invention is made to above example
Any simple modification, equivalent variations and remodeling, still fall within the protection domain of technical solution of the present invention.
Claims (3)
1. a kind of preparation technology of the organic overlay film emulsion of nanometer water, it is characterised in that comprise the following steps：
(1) by small molecule high density polyethylene (HDPE) homopolymer, emulsifying agent, assistant for emulsifying agent, PH conditioning agents and deionized water according to mass ratio
150-300:18-36:6-12:20-35:350-800, loads sealed steam heating response kettle interior sealing after weighing；
(2) after sealing, insert thermocouple and switch on power, adjustment turbine agitator rotating speed is to 110-180r/min, slow heating
During to 120 DEG C, stop heating, waste heat is continued to be heated to increase after 140 DEG C rotating speed to 300r-450r/min, continue to be incubated 2-4
Hour；
(3) rotating speed keeps 300r-450r/min, insulation to discharge steam after terminating and be passed through cooling water rapidly during being incubated, and reduces
Rotating speed is to 60r-90r/min, and question response kettle cavity temperature is cooled to 50 DEG C, opens sealing reactor, takes out water-based emulsion；
(4) the water-based emulsion of taking-up is subjected to screening by 60-300nm screen packs, the breast that big block has been produced in guarantee after screening
It is reusable under fluid solid content；
(5) water-based emulsion is translucent milky or light yellow, by filtering, testing, weigh, the process such as filling produce nanometer
The aqueous organic overlay film emulsion of level.
2. the preparation technology of the organic overlay film emulsion of nanometer water according to claim 1, it is characterised in that：
Step（1）Middle emulsifying agent, assistant for emulsifying agent are mainly APES class non-ionic additive.
3. the preparation technology of the organic overlay film emulsion of nanometer water according to claim 1, it is characterised in that：
Step（1）Middle PH conditioning agents are food-grade ammoniacal liquor, and content is 27-30.0%.
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102532919A (en) * | 2011-12-27 | 2012-07-04 | 深圳市乐普泰科技股份有限公司 | Nano wax emulsion and preparation method for nano wax emulsion |
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2017
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