CN106867035A - A kind of modified polyvinylalcohol packing film and preparation method thereof - Google Patents
A kind of modified polyvinylalcohol packing film and preparation method thereof Download PDFInfo
- Publication number
- CN106867035A CN106867035A CN201611257484.3A CN201611257484A CN106867035A CN 106867035 A CN106867035 A CN 106867035A CN 201611257484 A CN201611257484 A CN 201611257484A CN 106867035 A CN106867035 A CN 106867035A
- Authority
- CN
- China
- Prior art keywords
- parts
- packing film
- modified polyvinylalcohol
- modified
- polyvinyl alcohol
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L3/00—Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
- C08L3/02—Starch; Degradation products thereof, e.g. dextrin
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L29/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical; Compositions of hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Compositions of derivatives of such polymers
- C08L29/02—Homopolymers or copolymers of unsaturated alcohols
- C08L29/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
-
- 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
- C08J2303/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
- C08J2303/02—Starch; Degradation products thereof, e.g. dextrin
-
- 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
- C08J2329/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
- C08J2329/02—Homopolymers or copolymers of unsaturated alcohols
- C08J2329/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/14—Gas barrier composition
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Laminated Bodies (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention is a kind of modified polyvinylalcohol packing film, is related to film packing material technical field, is composed of the following components in parts by weight：5 50 parts of polyvinyl alcohol resin, 15 25 parts of starch, 0.05 0.3 parts of nano zine oxide, SiO240 100 parts of 0.5 5 parts, 0.8 6 parts of antiblocking agent, 0.05 3 parts of Tween 80,0.02 4 parts of coupling agent, 0.5 9 parts of plasticizer, 0.1 0.4 parts of antioxidant, 0.05 0.5 parts of boric acid, 0.01 0.1 parts of defoamer and deionized water.Present invention also offers the preparation method of modified polyvinylalcohol packing film.Obtained polyvinyl alcohol packing film of the invention is difficult adhesion, and tensile strength, modulus, heat endurance are all preferable.
Description
Invention field
The invention belongs to film packing material technical field, relate in particular to a kind of modified polyvinylalcohol packing film and
Its preparation method.
Background technology
Polyvinyl alcohol film (abbreviation PVA), be uniquely can by bacterium as carbon source and the polyvinyl of using energy source,
In the presence of bacterium and enzyme, 46 days degradable 75%, belong to a kind of Biodegradable polymer material, can be by Non oil-based route
Large-scale production, cheap, its oil resistant, solvent resistant and gas barrier property are outstanding, have in terms of food, Key works Drug packing only
Special advantage.Water imbibition is big, and being immersed in the water to dissolve, the moisture content of fiber up to 30%-50%, in 65%RH, under 25 DEG C of environment
Moisture percentage is also up to 4.5%.Vapor can be passed through, but it is difficult through alcohol steam, organic vapor, inert gas can not be passed through
And hydrogen, the barrier of polyvinyl alcohol film is even better than vinylidene chloride film.But current polyvinyl alcohol film tensile strength,
Modulus is relatively low, and heat resistance is poor.And because polyvinyl alcohol is hydrophilic material, it is easy to adhesion, production and storage to film
Deposit and cause inconvenience.
The content of the invention
In view of this, the invention provides a kind of modified polyvinylalcohol packing film and preparation method thereof, to provide one kind
It is difficult adhesion, all preferable polyvinyl alcohol packing film of tensile strength, modulus, heat endurance.
To reach above-mentioned purpose, the technical solution used in the present invention is：
A kind of modified polyvinylalcohol packing film, is composed of the following components in parts by weight：Polyvinyl alcohol resin 5-50 parts, starch
15-25 parts, nano zine oxide 0.05-0.3 parts, SiO20.5-5 parts, antiblocking agent 0.8-6 parts, Tween 80 0.05-3 parts, idol
Connection 0.02-4 parts, plasticizer 0.5-9 parts, antioxidant 0.1-0.4 parts, boric acid 0.05-0.5 parts, defoamer 0.01-0.1 parts of agent and
Deionized water 40-100 parts.
Preferably, in the preferred embodiment, the SiO2It is the SiO that is modified2, the modified SiO2Using polyethers
Amine and silica surface grafting are obtained.
Preferably, in the preferred embodiment, the antiblocking agent is magnesium stearate or calcium stearate.
Preferably, in the preferred embodiment,：The coupling agent is titanate coupling agent.
Preferably, in the preferred embodiment, the plasticizer be glycerine or, trioctyl phosphate or O-phthalic
Dioctyl phthalate.
Preferably, in the preferred embodiment, the defoamer is selected from n-butanol, tributyl phosphate or aqueous silicon
Any one in oil.
In addition, present invention also offers a kind of preparation method of modified polyvinylalcohol packing film, comprising the following steps：
（1）By the nano zine oxide and the modified SiO2It is added in the deionized water, and ultrasonic disperse 10-30min,
Obtain dispersion liquid；
（2）The dispersion liquid is warming up to 50-90 DEG C, add the polyvinyl alcohol resin, the starch, the Tween 80,
The plasticizer, the anti-blocking agent, the coupling agent, the antioxidant and the boric acid, it is equal with 100-1000r/min stirrings
It is even；The defoamer is added after dissolving completely, is maintained temperature at 50-90 DEG C and is continued stirring, be made polyvinyl alcohol resin solution；
（3）The polyvinyl alcohol resin solution is stood into de-bubble 1-3h, then is salivated and is applied on minute surface steel band, after drying and forming-film
Peeled off from the minute surface steel band, after being dried subsequently into hothouse, trimming winding obtains finished film.
Preferably, in the preferred embodiment, the solid content of the polyvinyl alcohol resin solution is 18-25%.
Preferably, in the preferred embodiment, step（3）Described in drying and forming-film temperature be 100-110 DEG C, institute
State and dry room temperature for 140-180 DEG C.
Preferably, in the preferred embodiment, the finished product film thickness is 0.5-1.0mm.
Relative to prior art, beneficial effects of the present invention：The present invention is by adding antiblocking agent, nano zine oxide and changing
Property silica, obtain one kind and be difficult adhesion, all preferable modified polyvinylalcohol packaging of tensile strength, modulus, heat endurance
Film.Polyvinyl alcohol packing film, low raw-material cost, preparation method process is simple, efficiency high, energy consumption are prepared using this method
It is low, production cost can be reduced, zero-emission is reached, it is pollution-free, it is adapted to large-scale production.And, using above-mentioned formula and preparation
Modified polyvinylalcohol packing film appearance transparent obtained in method, is difficult adhesion, and environment-protecting asepsis are pollution-free；Tensile strength, tension force
Better than conventional plastic film；Oil resistant, solvent resistance are good；Air transmission coefficient is low, gas barrier property is outstanding；In food, Key works Drug packing
Aspect has unique advantage.
Specific embodiment
Technical scheme of the present invention is further described with reference to specific embodiment.
Embodiment 1：
Embodiments of the invention 1 provide a kind of modified polyvinylalcohol packing film, are composed of the following components in parts by weight：Poly- second
5 parts of enol resin, 15 parts of starch, 0.05 part of nano zine oxide, SiO20.5 part, 0.8 part of antiblocking agent, 0.05 part of Tween 80,
40 parts of 0.02 part of coupling agent, 0.5 part of plasticizer, 0.1 part of antioxidant, 0.05 part of boric acid, 0.01 part of defoamer and deionized water.
SiO2It is the SiO that is modified2, be modified SiO2Obtained using polyetheramine and silica surface grafting.
Antiblocking agent is magnesium stearate
Coupling agent is titanate coupling agent.
Plasticizer is glycerine.
Defoamer is aqueous silicone oil.
In addition, the present embodiment additionally provides a kind of preparation method of modified polyvinylalcohol packing film, comprise the following steps：
（1）By nano zine oxide and modified SiO2It is added in deionized water, and ultrasonic disperse 10min, obtain dispersion liquid；
（2）Dispersion liquid is warming up to 50 DEG C, polyvinyl alcohol resin, starch, Tween 80, plasticizer, anti-blocking agent, coupling is added
Agent, antioxidant and boric acid, are stirred with 100r/min；Defoamer is added after dissolving completely, temperature is at 50 DEG C and continues for maintenance
Stirring, is made polyvinyl alcohol resin solution；
（3）Polyvinyl alcohol resin solution is stood into de-bubble 1h, then is salivated and is applied on minute surface steel band, from minute surface after drying and forming-film
Peeled off on steel band, after being dried subsequently into hothouse, trimming winding obtains finished film.
The solid content of polyvinyl alcohol resin solution is 18%.
Step（3）Middle drying and forming-film temperature is 100 DEG C, dries room temperature for 140 DEG C.
Finished product film thickness is 0.5mm.
Embodiment 2：
Embodiments of the invention 2 provide a kind of modified polyvinylalcohol packing film, are composed of the following components in parts by weight：Poly- second
50 parts of enol resin, 25 parts of starch, 0.3 part of nano zine oxide, SiO25 parts, 6 parts of antiblocking agent, 3 parts of Tween 80, coupling agent 4
Part, 9 parts of plasticizer, 0.4 part of antioxidant, 0.5 part of boric acid, 0.1 part of defoamer and 100 parts of deionized water.
SiO2It is the SiO that is modified2, be modified SiO2Obtained using polyetheramine and silica surface grafting.
Antiblocking agent calcium stearate.
Coupling agent is titanate coupling agent.
Plasticizer is trioctyl phosphate.
Defoamer is n-butanol.
In addition, the present embodiment additionally provides a kind of preparation method of modified polyvinylalcohol packing film, comprise the following steps：
（1）By nano zine oxide and modified SiO2It is added in deionized water, and ultrasonic disperse 30min, obtain dispersion liquid；
（2）Dispersion liquid is warming up to 90 DEG C, polyvinyl alcohol resin, starch, Tween 80, plasticizer, anti-blocking agent, coupling is added
Agent, antioxidant and boric acid, are stirred with 1000r/min；Defoamer is added after dissolving completely, temperature is at 90 DEG C and continues for maintenance
Stirring, is made polyvinyl alcohol resin solution；
（3）Polyvinyl alcohol resin solution is stood into de-bubble 3h, then is salivated and is applied on minute surface steel band, from minute surface after drying and forming-film
Peeled off on steel band, after being dried subsequently into hothouse, trimming winding obtains finished film.
The solid content of polyvinyl alcohol resin solution is 25%.
Step（3）Middle drying and forming-film temperature is 110 DEG C, dries room temperature for 180 DEG C.
Finished product film thickness is 1.0mm.
Embodiment 3：
Embodiments of the invention 3 provide a kind of modified polyvinylalcohol packing film, are composed of the following components in parts by weight：Poly- second
27 parts of enol resin, 20 parts of starch, 0.17 part of nano zine oxide, SiO22.7 parts, 3.4 parts of antiblocking agent, 1.5 parts of Tween 80,
70 parts of 2 parts of coupling agent, 4.8 parts of plasticizer, 0.25 part of antioxidant, 0.27 part of boric acid, 0.05 part of defoamer and deionized water.
SiO2It is the SiO that is modified2, be modified SiO2Obtained using polyetheramine and silica surface grafting.
Antiblocking agent is calcium stearate.
Coupling agent is titanate coupling agent.
Plasticizer is trioctyl phosphate.
Defoamer is tributyl phosphate.
In addition, the present embodiment additionally provides a kind of preparation method of modified polyvinylalcohol packing film, comprise the following steps：
（1）By nano zine oxide and modified SiO2It is added in deionized water, and ultrasonic disperse 20min, obtain dispersion liquid；
（2）Dispersion liquid is warming up to 70 DEG C, polyvinyl alcohol resin, starch, Tween 80, plasticizer, anti-blocking agent, coupling is added
Agent, antioxidant and boric acid, are stirred with 550r/min；Defoamer is added after dissolving completely, temperature is at 70 DEG C and continues for maintenance
Stirring, is made polyvinyl alcohol resin solution；
（3）Polyvinyl alcohol resin solution is stood into de-bubble 2h, then is salivated and is applied on minute surface steel band, from minute surface after drying and forming-film
Peeled off on steel band, after being dried subsequently into hothouse, trimming winding obtains finished film.
The solid content of polyvinyl alcohol resin solution is 21%.
Step（3）Middle drying and forming-film temperature is 105 DEG C, dries room temperature for 160 DEG C.
Finished product film thickness is 0.75mm.
The performance test of modified polyvinylalcohol packing film is as follows obtained in embodiment 1-3, institute in test result such as table 1
Show：
Table 1：Modified polyvinylalcohol packing film performance test
As known from Table 1, it is comprehensive that the modified polyvinylalcohol packing film for being obtained by different embodiments is difficult adhesion, tensile strength etc.
Performance is superior to general plastic membrane product.
Claims (10)
1. a kind of modified polyvinylalcohol packing film, it is characterised in that be composed of the following components in parts by weight：Polyvinyl alcohol resin
5-50 parts, starch 15-25 parts, nano zine oxide 0.05-0.3 parts, SiO20.5-5 parts, antiblocking agent 0.8-6 parts, Tween 80
0.05-3 parts, coupling agent 0.02-4 parts, plasticizer 0.5-9 parts, antioxidant 0.1-0.4 parts, boric acid 0.05-0.5 parts, defoamer
0.01-0.1 parts and deionized water 40-100 parts.
2. modified polyvinylalcohol packing film according to claim 1, it is characterised in that：The SiO2It is the SiO that is modified2, institute
State modified SiO2Obtained using polyetheramine and silica surface grafting.
3. modified polyvinylalcohol packing film according to claim 1, it is characterised in that：The antiblocking agent is stearic acid
Magnesium or calcium stearate.
4. modified polyvinylalcohol packing film according to claim 1, it is characterised in that：The coupling agent is titanate esters idol
Connection agent.
5. modified polyvinylalcohol packing film according to claim 1, it is characterised in that：The plasticizer be glycerine or,
Trioctyl phosphate or dioctyl phthalate.
6. modified polyvinylalcohol packing film according to claim 1, it is characterised in that：The defoamer is selected from positive fourth
Any one in alcohol, tributyl phosphate or aqueous silicone oil.
7. the preparation method of a kind of modified polyvinylalcohol packing film as described in claim any one of 1-6, it is characterised in that
Comprise the following steps：
（1）By the nano zine oxide and the modified SiO2It is added in the deionized water, and ultrasonic disperse 10-30min,
Obtain dispersion liquid；
（2）The dispersion liquid is warming up to 50-90 DEG C, add the polyvinyl alcohol resin, the starch, the Tween 80,
The plasticizer, the anti-blocking agent, the coupling agent, the antioxidant and the boric acid, it is equal with 100-1000r/min stirrings
It is even；The defoamer is added after dissolving completely, is maintained temperature at 50-90 DEG C and is continued stirring, be made polyvinyl alcohol resin solution；
（3）The polyvinyl alcohol resin solution is stood into de-bubble 1-3h, then is salivated and is applied on minute surface steel band, after drying and forming-film
Peeled off from the minute surface steel band, after being dried subsequently into hothouse, trimming winding obtains finished film.
8. modified polyvinylalcohol packing film preparation method according to claim 7, it is characterised in that：The polyvinyl alcohol
The solid content of resin solution is 18-25%.
9. modified polyvinylalcohol packing film preparation method according to claim 7, it is characterised in that：Step（3）Middle institute
Drying and forming-film temperature is stated for 100-110 DEG C, the room temperature that dries is for 140-180 DEG C.
10. modified polyvinylalcohol packing film preparation method according to claim 7, it is characterised in that：The finished film
Thickness is 0.5-1.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611257484.3A CN106867035A (en) | 2016-12-30 | 2016-12-30 | A kind of modified polyvinylalcohol packing film and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611257484.3A CN106867035A (en) | 2016-12-30 | 2016-12-30 | A kind of modified polyvinylalcohol packing film and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106867035A true CN106867035A (en) | 2017-06-20 |
Family
ID=59165180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611257484.3A Pending CN106867035A (en) | 2016-12-30 | 2016-12-30 | A kind of modified polyvinylalcohol packing film and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106867035A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108047666A (en) * | 2017-11-13 | 2018-05-18 | 青岛卓森纳生物工程有限公司 | A kind of tensile strength environmentally-friendly plastic Masterbatch macromolecule carrier and its manufacturing method |
| CN108504011A (en) * | 2018-04-13 | 2018-09-07 | 明光市天淼新能源科技有限公司 | A kind of fibre modification PVA enhanced films and preparation method thereof |
| CN109777016A (en) * | 2019-02-02 | 2019-05-21 | 广东宝德利新材料科技股份有限公司 | A kind of composition containing polyvinyl alcohol, the method and film for preparing film |
| CN111057336A (en) * | 2019-12-30 | 2020-04-24 | 武汉轻工大学 | Composite film for food and preparation method thereof |
| CN114350091A (en) * | 2021-12-03 | 2022-04-15 | 华南师范大学 | Water-soluble polyvinyl alcohol material, packaging film, and preparation method and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102888158A (en) * | 2010-08-27 | 2013-01-23 | 纷美(北京)贸易有限公司 | Preparation method of high-resistance polymer coating liquid |
| CN103289131A (en) * | 2013-05-22 | 2013-09-11 | 南京财经大学 | Preparation method for starch-polyvinyl alcohol biologically-cross-linked nano-composite plastic film |
| CN104109326A (en) * | 2014-06-26 | 2014-10-22 | 华南理工大学 | Anti-blocking polyvinyl alcohol film, and preparation method and application thereof |
| CN105001435A (en) * | 2014-04-22 | 2015-10-28 | 北京化工大学 | Production method of environmentally-friendly biodegradable polyvinyl alcohol film |
-
2016
- 2016-12-30 CN CN201611257484.3A patent/CN106867035A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102888158A (en) * | 2010-08-27 | 2013-01-23 | 纷美(北京)贸易有限公司 | Preparation method of high-resistance polymer coating liquid |
| CN103289131A (en) * | 2013-05-22 | 2013-09-11 | 南京财经大学 | Preparation method for starch-polyvinyl alcohol biologically-cross-linked nano-composite plastic film |
| CN105001435A (en) * | 2014-04-22 | 2015-10-28 | 北京化工大学 | Production method of environmentally-friendly biodegradable polyvinyl alcohol film |
| CN104109326A (en) * | 2014-06-26 | 2014-10-22 | 华南理工大学 | Anti-blocking polyvinyl alcohol film, and preparation method and application thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108047666A (en) * | 2017-11-13 | 2018-05-18 | 青岛卓森纳生物工程有限公司 | A kind of tensile strength environmentally-friendly plastic Masterbatch macromolecule carrier and its manufacturing method |
| CN108504011A (en) * | 2018-04-13 | 2018-09-07 | 明光市天淼新能源科技有限公司 | A kind of fibre modification PVA enhanced films and preparation method thereof |
| CN109777016A (en) * | 2019-02-02 | 2019-05-21 | 广东宝德利新材料科技股份有限公司 | A kind of composition containing polyvinyl alcohol, the method and film for preparing film |
| CN111057336A (en) * | 2019-12-30 | 2020-04-24 | 武汉轻工大学 | Composite film for food and preparation method thereof |
| CN111057336B (en) * | 2019-12-30 | 2023-02-03 | 武汉轻工大学 | Composite film for food and preparation method thereof |
| CN114350091A (en) * | 2021-12-03 | 2022-04-15 | 华南师范大学 | Water-soluble polyvinyl alcohol material, packaging film, and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106867035A (en) | A kind of modified polyvinylalcohol packing film and preparation method thereof | |
| CN105233705B (en) | A kind of preparation method of Kynoar/poly-dopamine modified lithium nano kaoline hollow fiber composite membrane | |
| CN104128102B (en) | A kind of cyclo-dextrin-modified compounded organic solvent NF membrane and preparation method thereof | |
| CN107365497B (en) | Polyimide-based composite aerogel with high flame retardant property as well as preparation method and application thereof | |
| US20160362577A1 (en) | A waterproof and oxygen-isolating sealing film and preparation method | |
| WO2015161807A1 (en) | High-barrier polypropylene carbonate-based composite film material and preparation method thereof | |
| CN105315476A (en) | Method for preparing modified graphene-polyvinyl alcohol composite film | |
| CN105400109B (en) | A kind of modified polyvinylalcohol foamed plastics and preparation method thereof | |
| CN105218996A (en) | A kind of preparation method of modified graphene-polyvinyl alcohol compound film | |
| CN111995912A (en) | Moisture-proof high-oxygen-barrier aqueous coating liquid and preparation method thereof | |
| CN110373007A (en) | A kind of preparation method of high tenacity graphene/compound film composition of PET | |
| CN115124760B (en) | Super-hydrophobic chitosan hybrid aerogel and preparation method thereof | |
| CN109279821A (en) | A kind of heat preservation lacquer | |
| KR101407612B1 (en) | Spinning solution for industrially producing pure chitosan fiber and preparation method thereof | |
| CN102585265A (en) | Preparation method of gelatin/poli vinyl alcohol (PVA) composite films crosslinked with glutaraldehyde solution | |
| CN114213984A (en) | BOPP pre-coating film and production process thereof | |
| CN108948436A (en) | A kind of preparation method of the modified composite membrane of sodium alginate-pectin | |
| CN104945675A (en) | Epoxidized soybean oil plasticized ethyl cellulose membrane and method for preparing the same | |
| CN108099322A (en) | Graphene oxide-based high-barrier nano composite film and preparation method thereof | |
| CN101717553A (en) | High-barrier composite material and preparation process thereof | |
| CN106750421A (en) | A kind of phenolic resin enhancing composite and preparation method thereof | |
| CN110358270A (en) | A kind of high tenacity graphene/compound film composition of PET | |
| CN104971628A (en) | Multilayer gas separation composite membrane and preparation method thereof | |
| TWI568840B (en) | Wooden material combined with airgel fireproof material and its manufacturing method | |
| CN114133675A (en) | Polystyrene foam material with good flame retardance and preparation process thereof |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170620 |