CN105175762B - Computer water-proof film and preparation method thereof - Google Patents
Computer water-proof film and preparation method thereof Download PDFInfo
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- CN105175762B CN105175762B CN201510723879.7A CN201510723879A CN105175762B CN 105175762 B CN105175762 B CN 105175762B CN 201510723879 A CN201510723879 A CN 201510723879A CN 105175762 B CN105175762 B CN 105175762B
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Abstract
The present invention relates to a kind of computer water-proof film and preparation method thereof.The preparation method of computer water-proof film of the present invention, including KGM Sol is prepared, is blended, deaerating, a kind of rhyme scheme in Chinese operas serving as the prelude to a complete score for voices is film-made and taken off film.The computer water-proof film of the present invention, as carrier and is aided with other auxiliary agents using konjaku glucomannan, has excellent gelation, thermal insulation, light blocking, and elasticity is good, pliability is strong, not easy to break.With heat-insulated, light blocking, elasticity is good, pliability is strong the effect of, and the advantages of production material environmental protection.Security performance and performance comply fully with relative national standards.It is also low with production cost using konjaku glucomannan as main material, it is low in the pollution of the environment, the advantages that injury to human body, meet the consumption concept and the market demand in modern times.
Description
Technical field
The present invention relates to a kind of waterproof membrane and preparation method thereof, and in particular to a kind of computer water-proof film and preparation method thereof,
Belong to commodity technical field.
Background technology
One of the problem of today's society also comes one after another with the popularization of computer, problem, and computer water-proof is exactly wherein.Market
Although upper possess substantial amounts of waterproofing protection film, the waterproofing protection film of in the market is expensive, and material character is unstable
It is fixed, the material of waterproofing protection film, need further to be improved.
Application No. 201210034088.X patent of invention：" a kind of Intelligent waterproof moisture-permeable film and preparation method thereof ", it is situated between
Continued a kind of Intelligent waterproof moisture-permeable film, by matrix material polyurethane and water proof and moisture permeable material inorganic nano-particle, is squeezed using screw rod
Go out machine to be made using blowing or the tape casting.For product with Waterproof Breathable function and with simple production process, raw material are cheap,
The advantages of production efficiency is high.But its drenched rate is limited, and application field is restricted；And whole day weather and complicated ring can not be met
Border.Therefore the requirement of association area can not be met.
The patent of invention " a kind of waterproof ventilated membrane and preparation method thereof " of Application No. 201210041934.0, is described
A kind of waterproof ventilated membrane being made up of synthetic resin polyolefin, mineral powder, plasticizer and lubricant.The film has thickness equal
It is even, the size of micropore and its it is evenly distributed and there is the features such as unidirectional vapour transmission, water pressure resistance is high.But its complex manufacturing,
And the organic matter such as polyolefin is poisonous, there is certain danger.
With expanding economy and the continuous improvement of quality of life, computer is seated every household, therefore computer water-proof film exists
It is indispensable in people's life.In huge demand, computer water-proof diaphragm will be more and more abreast of the times
Demand.
The content of the invention
It is an object of the invention to provide a kind of computer water-proof diaphragm and preparation method thereof.Mainly have using Glucomannan
Have the features such as good biocompatibility, tensile strength and biodegradability, mixed plasticizer ditridecyl phthalate or oneself
Two acid diesters and lubricant toluenesulfonic acid butyramide or benzamide close, and are compounded by being blended, and Glucomannan, carragheen,
Reciprocation between cellulose iii kind biological polyoses, prepare composite biological material intensity, tough elasticity, the property of stability each side
Can be all excellent, and the computer protection film with waterproof, environmental protection and bacteria resistance function.And this waterproof is protected by artificial synthesized method
Cuticula is applied on the diaphragm of computer, so that computer reaches good waterproof effect.
The purpose of the present invention is achieved through the following technical solutions：
The preparation method of a kind of computer water-proof film of the present invention, it is characterised in that operating procedure is as follows：
（1）The preparation of KGM Sol：Konjaku glucomannan after purification is taken, by konjaku glucomannan and water
Weight ratio is 1:50 add water；10min is stirred with agitator 1500r/min in 50-60 DEG C of tepidarium, and is heated to 50 DEG C；
KGM Sol is made；
（2）Blending：In step（1）KGM Sol in successively add that to account for sol weight be respectively 98%-
100%th, 4%-5%, 4%-5%, 0.5%-1% mineral powder, plasticizer, lubricant and auxiliary agent；Then 6 times of sols are added
Long-pending organic solvent；After the obtained mixing material that stirs, then will under the conditions of 170-180 DEG C using parallel double-screw extruder
Obtain mixing material and waterproof blending colloidal sol is made；The mineral powder is nanometer grade calcium carbonate or nanoscale barium sulfate；Plasticising
Agent is ditridecyl phthalate or di adipate, and lubricant is toluenesulfonic acid butyramide or benzamide；Auxiliary agent is oxidation
Titanium or zinc oxide；Organic solvent is ethanol or benzene solvent；The material is technical pure in addition to having particular/special requirement.
（3）Degassing：By step（2）Waterproof blending colloidal sol be placed in a centrifuge, 1500r/min centrifugation degassing 15-
20min, konjak portuguese gansu polyose gel mixed liquor is obtained, it is standby；
（4）A kind of rhyme scheme in Chinese operas serving as the prelude to a complete score for voices is film-made：By step（3）Konjak portuguese gansu polyose gel mixed liquor after degassing is laid on plane template,
And plane template is placed in baking oven together with konjak portuguese gansu polyose gel mixed liquor, 70 DEG C of dry 5-6h, be cooled to after room temperature into
Film；
（5）Take off film：Film is peeled from plane template, as computer water-proof film.
The present invention goes back the computer water-proof film of Sustainable use above method preparation.
The computer water-proof film of the present invention, as carrier and is aided with other auxiliary agents using konjaku glucomannan, has excellent gel
Property, thermal insulation, light blocking, and elasticity it is good, pliability is strong, not easy to break.With heat-insulated, light blocking, elastic good, pliability by force
Effect, and the advantages of production material environmental protection.Security and performance comply fully with relative national standards requirement, with Amorphophallus rivieri glucomannan
Glycan is main material, also low with production cost, low in the pollution of the environment, the advantages that injury to human body, meets disappearing for modern times
Take theory and the market demand.
The computer water-proof film and common waterproof membrane performance comparison result of the present invention is as shown in table 1.
The computer water-proof pad pasting and waterproof membrane performance comparison result of the present invention of table 1
Note：The method of testing of the performance indications of table 1 is as follows：
（1）Water proofing property：The computer water-proof film of the present invention and common waterproof membrane are subjected to waterproof test, testing result, sheet
The vapor transmission coefficient of the computer water-proof film of invention is 0.23*10-10g·m/(m2SPa), the water of common waterproof membrane
Vapor permeation coefficient is 2.41*10-10g·m/(m2·s·Pa)。
（2）Biocidal property：The computer water-proof film of the present invention and common waterproof membrane are subjected to biocidal property experiment, testing result, sheet
The bacterial population of the computer water-proof film of invention is 0-1, and the bacterial population of common waterproof membrane is 7-12.
（3）Draftability：The computer that the present invention is measured under the conditions of 32 DEG C of room temperature, 500nm/min with electronic tensile machine is prevented
The stretching resistance of moisture film and common waterproof membrane.Testing result, the tensile elongation of computer water-proof film of the invention for 36.21 ±
4.33Mpa, and the tensile strength of common waterproof membrane is 31.02 ± 6.83Mpa.
The result of contrast test shows that the computer water-proof film properties with the present invention are excellent, and its index exceedes commercially available
Common computer pad pasting, alternative existing computer adhesive film.
Embodiment
In order to fully disclose a kind of computer water-proof film of the present invention and preparation method thereof, said with reference to embodiment
It is bright.
Embodiment：A kind of preparation method of computer water-proof film, comprises the following steps：
（1）The preparation of KGM Sol：The konjaku glucomannans of 2g after purification are weighed in there-necked flask, add 98g
Pure water, with agitator 1500r/min stirring 10min in tepidarium, and be heated to 50 DEG C；It is molten that konjaku glucomannan is made
Glue；
（2）Blending：In step（1）KGM Sol in successively add 100g nanometer grade calcium carbonate or nanometer
Level barium sulfate；10g diethyl phthalate or di adipate；10g toluenesulfonic acid butyramide or benzamide； 4g
Titanium oxide or zinc oxide；It is eventually adding 600mL ethanol or benzene solvent；Stirred under the conditions of 1000r/min and mixing is made
After material, then mixing material will be obtained under the conditions of 180 DEG C using parallel double-screw extruder waterproof blending colloidal sol is made；
（3）Degassing：By step（2）Waterproof altogether miscible glue be placed in a centrifuge, 1500r/min centrifugation degassing 15-
20min, konjak portuguese gansu polyose gel mixed liquor is obtained, it is standby；
（4）A kind of rhyme scheme in Chinese operas serving as the prelude to a complete score for voices is film-made：By step（3）Konjak portuguese gansu polyose gel mixed liquor be laid on plane template, and will be flat
Face die plate is placed in baking oven together with konjak portuguese gansu polyose gel mixed liquor, 70 DEG C of dry 5-6h, is cooled to film forming after room temperature；
（5）Take off film：Film is peeled from plane template, as computer water-proof film.
Using computer water-proof film made from the present embodiment as pad pasting paste on computers, can efficiently solve computer water-proof and
The problem of antibacterial.
The foregoing is only presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with
Modification, it should all belong to the covering scope of the present invention.
Claims (3)
1. a kind of preparation method of computer water-proof film, it is characterised in that operating procedure is as follows：
（1）The preparation of KGM Sol：Konjaku glucomannan after purification is taken, by the weight of konjaku glucomannan and water
Than for 1:50 add water；10min is stirred with agitator 1500r/min in 50-60 DEG C of tepidarium, and is heated to 50 DEG C；It is made
KGM Sol；
（2）Blending：In step（1）KGM Sol in successively add account for sol weight be respectively 98%- 100%,
4%-5%, 4%-5%, 0.5%-1% mineral powder, plasticizer, lubricant and auxiliary agent；Then 6 times of sol volumes of addition has
Solvent；After the obtained mixing material that stirs, then it will be mixed under the conditions of 170-180 DEG C using parallel double-screw extruder
Waterproof blending colloidal sol is made in condensation material；The mineral powder is nanometer grade calcium carbonate or nanoscale barium sulfate；Plasticizer is neighbour
Ester or di adipate, lubricant are toluenesulfonic acid butyramide or benzamide；Auxiliary agent is titanium oxide or oxygen
Change zinc；Organic solvent is ethanol or benzene solvent；The material is technical pure in addition to having particular/special requirement；
（3）Degassing：By step（2）Waterproof blending colloidal sol be placed in a centrifuge, 1500r/min centrifugation degassing 15-20min, obtain
It is standby to konjak portuguese gansu polyose gel mixed liquor；
（4）A kind of rhyme scheme in Chinese operas serving as the prelude to a complete score for voices is film-made：By step（3）Konjak portuguese gansu polyose gel mixed liquor after degassing is laid on plane template, and will
Plane template is placed in baking oven together with konjak portuguese gansu polyose gel mixed liquor, 70 DEG C of dry 5-6h, is cooled to film forming after room temperature；
（5）Take off film：Film is peeled from plane template, as computer water-proof film.
2. the preparation method of a kind of computer water-proof film according to claim 1, it is characterised in that operating procedure is as follows：
（1）The preparation of KGM Sol：The konjaku glucomannans of 2g after purification are weighed in there-necked flask, add that 98g's is pure
Water purification, 10min is stirred with agitator 1500r/min in tepidarium, and be heated to 50 DEG C；KGM Sol is made；
（2）Blending：In step（1）KGM Sol in successively add 100g nanometer grade calcium carbonate or nanoscale sulphur
Sour barium；10g diethyl phthalate or di adipate；10g toluenesulfonic acid butyramide or benzamide；4g oxygen
Change titanium or zinc oxide；It is eventually adding 600mL ethanol or benzene solvent；Stir obtained mixing material under the conditions of 1000r/min
Afterwards, then using parallel double-screw extruder mixing material will be obtained under the conditions of 180 DEG C waterproof blending colloidal sol is made；
（3）Degassing：By step（2）Waterproof altogether miscible glue be placed in a centrifuge, 1500r/min centrifugation degassing 15-20min, obtain
It is standby to konjak portuguese gansu polyose gel mixed liquor；
（4）A kind of rhyme scheme in Chinese operas serving as the prelude to a complete score for voices is film-made：By step（3）Konjak portuguese gansu polyose gel mixed liquor be laid on plane template, and by plane mould
Plate is placed in baking oven together with konjak portuguese gansu polyose gel mixed liquor, 70 DEG C of dry 5-6h, is cooled to film forming after room temperature；
（5）Take off film：Film is peeled from plane template, as computer water-proof film.
3. the computer water-proof film prepared by the method for claim 1 or 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510723879.7A CN105175762B (en) | 2015-10-29 | 2015-10-29 | Computer water-proof film and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510723879.7A CN105175762B (en) | 2015-10-29 | 2015-10-29 | Computer water-proof film and preparation method thereof |
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| CN105175762A CN105175762A (en) | 2015-12-23 |
| CN105175762B true CN105175762B (en) | 2018-01-12 |
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| CN112677670B (en) * | 2020-12-17 | 2022-07-29 | 合肥菲力姆科技有限公司 | Waterproof thermosensitive film and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101497731A (en) * | 2008-01-28 | 2009-08-05 | 西南科技大学 | Environment degrading thermoplastic glucomanan film and preparation thereof |
| CN102350804A (en) * | 2011-07-29 | 2012-02-15 | 福建农林大学 | Radiation proof computer protection film and preparation method thereof |
| CN103290615A (en) * | 2012-02-23 | 2013-09-11 | 合肥杰事杰新材料股份有限公司 | Waterproof and breathable film and preparation method thereof |
| CN103819755A (en) * | 2014-03-10 | 2014-05-28 | 中山火炬职业技术学院 | Modified konjac-glucomannan composite film and preparation method thereof |
-
2015
- 2015-10-29 CN CN201510723879.7A patent/CN105175762B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101497731A (en) * | 2008-01-28 | 2009-08-05 | 西南科技大学 | Environment degrading thermoplastic glucomanan film and preparation thereof |
| CN102350804A (en) * | 2011-07-29 | 2012-02-15 | 福建农林大学 | Radiation proof computer protection film and preparation method thereof |
| CN103290615A (en) * | 2012-02-23 | 2013-09-11 | 合肥杰事杰新材料股份有限公司 | Waterproof and breathable film and preparation method thereof |
| CN103819755A (en) * | 2014-03-10 | 2014-05-28 | 中山火炬职业技术学院 | Modified konjac-glucomannan composite film and preparation method thereof |
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Effective date of registration: 20211026 Address after: 215500 No.156 Xinyang Avenue, Xinzhuang Town, Changshu City, Suzhou City, Jiangsu Province Patentee after: Suzhou huideli Electronic Materials Co.,Ltd. Address before: No. 15, Cangshan District, Fujian, Fuzhou, Fujian Patentee before: FUJIAN AGRICULTURE AND FORESTRY University |