CN111691231A - Glass paper composite material and preparation method and application thereof - Google Patents
Glass paper composite material and preparation method and application thereof Download PDFInfo
- Publication number
- CN111691231A CN111691231A CN202010570888.8A CN202010570888A CN111691231A CN 111691231 A CN111691231 A CN 111691231A CN 202010570888 A CN202010570888 A CN 202010570888A CN 111691231 A CN111691231 A CN 111691231A
- Authority
- CN
- China
- Prior art keywords
- acrylic acid
- cellophane
- composite material
- glassine
- drying
- 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
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Classifications
-
- 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
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/06—Vegetable or imitation parchment; Glassine paper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/42—Applications of coated or impregnated materials
-
- 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
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/20—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/24—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
- D21H19/80—Paper comprising more than one coating
- D21H19/82—Paper comprising more than one coating superposed
- D21H19/824—Paper comprising more than one coating superposed two superposed coatings, both being non-pigmented
-
- 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
- D21H19/80—Paper comprising more than one coating
- D21H19/84—Paper comprising more than one coating on both sides of the substrate
-
- 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
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/04—Physical treatment, e.g. heating, irradiating
-
- 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
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/10—Packing paper
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Abstract
The invention provides a cellophane composite material and a preparation method and application thereof, and relates to the technical field of cellophane. The invention provides a cellophane composite material which comprises cellophane-acrylic acid layer or acrylic acid layer-cellophane-acrylic acid layer. The cellophane has no heat sealability, and after the surface of the cellophane is coated with the acrylic film layer, the composite material has good heat sealability; meanwhile, the glassine is natural fiber, after the glassine is used, the glassine can be composted and degraded without causing environmental pollution, the water-based acrylic acid is also an easily degradable substance, a membrane material formed by combining the glassine and the water-based acrylic acid has good degradability, the pollution problem of white garbage is greatly reduced, the glassine is green and environment-friendly, and the bonding strength between the glassine and the acrylic acid layer is high.
Description
Technical Field
The invention relates to the technical field of cellophane, in particular to a cellophane composite material and a preparation method and application thereof.
Background
The cellophane is made of plant cellulose, has good performances of degradability, static resistance and the like, and can be widely applied to the fields of packaging, cable insulation and aviation. For example, chinese patent CN87206069 discloses an improved rubber insulated wire and cable, which uses cellophane as an isolation layer of the rubber insulated wire and cable, and solves the problem of aging property of the insulated rubber; chinese patent CN200980139574 discloses a polysiloxane composition that can be used for coating glassine paper, forming a crosslinked coating on the glassine paper with improved adhesion, mechanical strength and reactivity, but it does not mention the improvement of the barrier properties of the glassine paper; chinese patent CN201210572107.4 discloses a PVDC emulsion for cellophane coating, which has excellent oxygen-blocking and water-blocking effects. However, the existing glass paper for food packaging has the problems of poor heat sealability and difficult degradation.
Disclosure of Invention
In view of the above, the present invention aims to provide a cellophane composite material, and a preparation method and an application thereof.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides a cellophane composite material which comprises cellophane-acrylic acid layer or acrylic acid layer-cellophane-acrylic acid layer.
Preferably, the content of acrylic acid in the acrylic acid layer is 0.5-10 g/m2。
The invention provides a preparation method of a cellophane composite material, which comprises the following steps:
performing corona treatment or gluing treatment on one side or two sides of the glass paper to obtain treated glass paper;
and coating the acrylic acid solution on one side or two sides of the treated cellophane, drying and curing to obtain the cellophane composite material.
Preferably, the corona treatment is carried out by adopting high-frequency alternating current, and the voltage of the high-frequency alternating current is 8000-10000V/m2。
Preferably, the glue adopted in the gluing treatment is a polyurethane solution; the mass percentage concentration of the polyurethane solution is 10-40%.
Preferably, the coating amount of the acrylic acid solution is 0.5-10 g/m in terms of acrylic acid2。
Preferably, the drying comprises infrared drying or oven drying.
Preferably, the infrared drying time is 0.1-10 min;
the drying temperature of the drying oven is 80-150 ℃, and the drying time is 0.3-20 min.
Preferably, the curing temperature is 20-40 ℃, and the curing time is 40-60 h.
The invention also provides an application of the cellophane composite material prepared by the technical scheme or the cellophane composite material prepared by the preparation method of the technical scheme as a packaging material.
The invention provides a cellophane composite material which comprises cellophane-acrylic acid layer or acrylic acid layer-cellophane-acrylic acid layer. The cellophane has no heat sealability, and after the surface of the cellophane is coated with the acrylic film layer, the composite material has good heat sealability; meanwhile, the cellophane is natural fiber, can be composted and degraded after use, and cannot cause environmental pollution, the water-based acrylic acid is also an easily degradable substance, and a film material formed by combining the cellophane and the water-based acrylic acid has good degradability, so that the pollution problem of white garbage is greatly reduced, and the cellophane is green and environment-friendly; and the bonding strength between the cellophane and the acrylic layer is high.
The invention provides a preparation method of the cellophane composite material, which comprises the following steps: carrying out corona treatment on the glass paper to obtain corona-treated glass paper; and coating an acrylic acid solution on the surface of the corona-treated glass paper, drying and curing to obtain the glass paper composite material. According to the preparation method provided by the invention, the adhesive force of the surface of the glass paper after corona treatment is enhanced, the bonding strength between the glass paper and an acrylic acid solution is high, and the prepared glass paper composite material is high in degradability and good in heat sealing property.
Detailed Description
The invention provides a cellophane composite material which comprises cellophane-acrylic acid layer or acrylic acid layer-cellophane-acrylic acid layer.
In the present invention, all the raw material components are commercially available products well known to those skilled in the art unless otherwise specified.
In the invention, the content of acrylic acid in the acrylic acid layer is preferably 0.5-10 g/m2More preferably 1 to 8g/m2Most preferably 4 to 6g/m2。
The invention provides a preparation method of a cellophane composite material, which comprises the following steps:
performing corona treatment or gluing treatment on one side or two sides of the glass paper to obtain treated glass paper;
and coating the acrylic acid solution on one side or two sides of the treated cellophane, drying and curing to obtain the cellophane composite material.
The invention carries out corona treatment or gluing treatment on one side or two sides of the glass paper to obtain the treated glass paper.
In the present invention, the corona treatment or sizing treatment of one or both sides of the glassine paper preferably comprises corona treatment of one side of the glassine paper, or corona treatment of both sides of the glassine paper, or sizing treatment of one side of the glassine paper, or sizing treatment of both sides of the glassine paper.
In the invention, the corona treatment is preferably carried out by adopting high-frequency alternating current, and the voltage of the high-frequency alternating current is preferably 8000-10000V/m2More preferably 8500-9500V/m2Preferably 9000 to 9500V/m2. In the present invention, the corona treatment preferably comprises corona treatment of one or both sides of the glassine paper. In the present invention, when corona-treating one side of the glassine paper, the acrylic acid solution is preferably coated on the surface of the glassine paper subjected to corona treatment; when corona-treating both sides of the glassine paper, the acrylic acid solution is preferably coated on the upper and lower surfaces of the glassine paper subjected to corona treatment. According to the invention, after the glass paper is subjected to corona treatment, the adhesive force of the surface of the glass paper is enhanced, and the bonding strength between the glass paper and acrylic acid solution is high.
In the present invention, the glue used in the sizing treatment is preferably a polyurethane solution, and the solvent in the polyurethane solution preferably includes methyl ethyl ketone, acetone or ethyl acetate. In the invention, the mass percentage concentration of the polyurethane solution is preferably 10-40%, and more preferably 15-35%. In the present invention, the coating amount of the polyurethane solution is preferably 0 on the mass of polyurethane.1～1g/m2More preferably 0.2 to 0.6g/m2。
In the invention, the sizing treatment specifically comprises the step of coating a polyurethane solution on one side or both sides of the cellophane. In the present invention, when one side of the glassine paper is sized, the acrylic acid solution is preferably coated on the surface of the sized glassine paper; when both sides of the glassine paper are sized, the acrylic acid solution is preferably applied to the upper and lower surfaces of the sized glassine paper. After the glass paper is subjected to sizing treatment, the adhesive force of the surface of the glass paper is enhanced, and the bonding strength between the glass paper and acrylic acid solution is high.
After the glass paper is treated, the acrylic acid solution is coated on one side or two sides of the glass paper, and the glass paper composite material is obtained after drying and curing.
The concentration of the acrylic acid solution is not particularly limited in the present invention, and the acrylic acid solution can be applied to the surface of the corona-treated cellophane. In the invention, the coating amount of the acrylic acid solution is preferably 0.5-10 g/m in terms of acrylic acid2More preferably 1 to 8g/m2Most preferably 3 to 6g/m2。
In the present invention, the apparatus used for the coating is preferably a coater, more preferably a reverse kiss coater.
In the present invention, the drying preferably includes infrared ray drying or oven drying. In the present invention, the time for infrared drying is preferably 0.1 to 10min, more preferably 0.1 to 8min, and most preferably 0.1 to 5 min. In the invention, the drying temperature of the oven is preferably 80-150 ℃, more preferably 90-120 ℃, and most preferably 100 ℃; the drying time of the oven is preferably 0.3-20 min, more preferably 0.3-15 min, and most preferably 0.3-10 min.
In the invention, the curing temperature is preferably 20-40 ℃, more preferably 25-40 ℃, most preferably 25-35 ℃, and the time is preferably 40-60 hours, more preferably 45-55 hours, most preferably 45-50 hours.
The invention also provides an application of the cellophane composite material prepared by the technical scheme or the cellophane composite material prepared by the preparation method of the technical scheme as a packaging material.
The technical solution of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Using high frequency alternating current (voltage 8000V/m)2) Carrying out corona treatment on one side of the glass paper to obtain corona-treated glass paper;
using a reverse kiss coater to make the acrylic acid solution at 0.5g/m2Coating amount (calculated by acrylic acid) on the surface of the corona-treated cellophane, and curing the coated roll film for 48 hours at 20 ℃ after the coating process is finished to obtain the cellophane composite material (cellophane-acrylic acid layer).
Example 2
Using high frequency alternating current (voltage 9000V/m)2) Carrying out corona treatment on one side of the glass paper to obtain corona-treated glass paper;
using a reverse kiss coater to make the acrylic acid solution at 5g/m2Coating amount (calculated by acrylic acid) on the surface of the corona-treated cellophane, and curing the coated roll film for 50h at 30 ℃ after the coating process is finished to obtain the cellophane composite material (cellophane-acrylic acid layer).
Example 3
Using high frequency alternating current (voltage 10000V/m)2) Carrying out corona treatment on two sides of the glass paper to obtain corona-treated glass paper;
using a reverse kiss coater to make the acrylic acid solution at 10g/m2Coating the upper surface and the lower surface of the corona-treated glass paper with the coating amount (calculated by acrylic acid), and curing the coated roll film at 40 ℃ for 45 hours after the coating process is finished to obtain the glass paper composite material (acrylic acid layer-glass paper-acrylic acid layer).
Example 4
Treating the two sides of the glassine paper by adopting a polyurethane methyl ethyl ketone solution (the concentration is 20 percent) to obtain treated glassine paper;
using a reverse kiss coater to make the acrylic acid solution at 8g/m2Coating the upper surface and the lower surface of the treated cellophane with the coating amount (calculated by acrylic acid), and curing the coated roll film for 60 hours at 25 ℃ after the coating process is finished to obtain the cellophane composite material (cellophane-acrylic acid layer).
Example 5
Treating the two sides of the cellophane by adopting an acetone solution (the concentration is 10%) of polyurethane to obtain treated cellophane;
acrylic acid solution was applied at 2g/m using a reverse kiss coater2Coating the upper surface and the lower surface of the treated cellophane with the coating amount (calculated by acrylic acid), and curing the coated roll film for 45 hours at 32 ℃ after the coating process is finished to obtain the cellophane composite material (cellophane-acrylic acid layer).
Example 6
Treating one side of the cellophane by adopting an ethyl acetate solution (the concentration is 35%) of polyurethane to obtain treated cellophane;
using a reverse kiss coater to make the acrylic acid solution at 7g/m2Coating the surface of the treated cellophane with the coating amount (calculated by acrylic acid), and curing the coated roll film at 38 ℃ for 55h after the coating process is finished to obtain the cellophane composite material (acrylic acid layer-cellophane-acrylic acid layer).
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The glassine paper composite material is characterized by comprising glassine-acrylic acid layer or acrylic acid layer-glassine-acrylic acid layer.
2. According to the rightThe cellophane composite material according to claim 1, wherein the acrylic acid layer contains acrylic acid in an amount of 0.5 to 10g/m2。
3. A method of making a cellophane composite material as defined in claim 1 or 2, characterized in that it comprises the following steps:
performing corona treatment or gluing treatment on one side or two sides of the glass paper to obtain treated glass paper;
and coating the acrylic acid solution on one side or two sides of the treated cellophane, drying and curing to obtain the cellophane composite material.
4. The method according to claim 3, wherein the corona treatment is performed using a high-frequency alternating current having a voltage of 8000 to 10000V/m2。
5. The preparation method according to claim 3, wherein the glue used in the sizing treatment is a polyurethane solution; the mass percentage concentration of the polyurethane solution is 10-40%.
6. The method according to claim 3, wherein the acrylic acid solution is applied in an amount of 0.5 to 10g/m in terms of acrylic acid2。
7. The method of claim 3, wherein the drying comprises infrared drying or oven drying.
8. The preparation method according to claim 7, wherein the infrared drying time is 0.1-10 min;
the drying temperature of the drying oven is 80-150 ℃, and the drying time is 0.3-20 min.
9. The preparation method according to claim 3, wherein the curing temperature is 20-40 ℃ and the curing time is 40-60 h.
10. Use of the cellophane composite material according to any one of claims 1 to 2 or the cellophane composite material prepared by the preparation method according to any one of claims 3 to 9 as a packaging material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010570888.8A CN111691231A (en) | 2020-06-17 | 2020-06-17 | Glass paper composite material and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010570888.8A CN111691231A (en) | 2020-06-17 | 2020-06-17 | Glass paper composite material and preparation method and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111691231A true CN111691231A (en) | 2020-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010570888.8A Pending CN111691231A (en) | 2020-06-17 | 2020-06-17 | Glass paper composite material and preparation method and application thereof |
Country Status (1)
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| CN (1) | CN111691231A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1083842A (en) * | 1993-07-22 | 1994-03-16 | 浙江大学 | Emulsion type adhesive for sticking paper to plastics and preparation method thereof |
| CN1686712A (en) * | 2005-06-14 | 2005-10-26 | 海南赛诺实业有限公司 | Acrylic acid coating film and its manufacturing method |
| CN102765236A (en) * | 2012-07-27 | 2012-11-07 | 江阴宝柏包装有限公司 | Easily-torn flanged compound film with good transparency and preparation method thereof |
| CN103280156A (en) * | 2013-06-17 | 2013-09-04 | 海南赛诺实业有限公司 | Plastic tag and manufacturing method thereof |
| CN106188631A (en) * | 2016-07-11 | 2016-12-07 | 新疆元泰新材料有限公司 | A kind of packaging for foodstuff cellulose film preparation method |
| CN108532367A (en) * | 2018-03-14 | 2018-09-14 | 东莞市东彩印刷包装有限公司 | A kind of papery weave effect wrapping paper |
| CN108864630A (en) * | 2018-07-18 | 2018-11-23 | 合肥梵腾环保科技有限公司 | A method of composite membrane is prepared using coffee shell |
| WO2019162206A2 (en) * | 2018-02-21 | 2019-08-29 | Basf Se | Method for producing articles coated with adhesive |
-
2020
- 2020-06-17 CN CN202010570888.8A patent/CN111691231A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1083842A (en) * | 1993-07-22 | 1994-03-16 | 浙江大学 | Emulsion type adhesive for sticking paper to plastics and preparation method thereof |
| CN1686712A (en) * | 2005-06-14 | 2005-10-26 | 海南赛诺实业有限公司 | Acrylic acid coating film and its manufacturing method |
| CN102765236A (en) * | 2012-07-27 | 2012-11-07 | 江阴宝柏包装有限公司 | Easily-torn flanged compound film with good transparency and preparation method thereof |
| CN103280156A (en) * | 2013-06-17 | 2013-09-04 | 海南赛诺实业有限公司 | Plastic tag and manufacturing method thereof |
| CN106188631A (en) * | 2016-07-11 | 2016-12-07 | 新疆元泰新材料有限公司 | A kind of packaging for foodstuff cellulose film preparation method |
| WO2019162206A2 (en) * | 2018-02-21 | 2019-08-29 | Basf Se | Method for producing articles coated with adhesive |
| CN108532367A (en) * | 2018-03-14 | 2018-09-14 | 东莞市东彩印刷包装有限公司 | A kind of papery weave effect wrapping paper |
| CN108864630A (en) * | 2018-07-18 | 2018-11-23 | 合肥梵腾环保科技有限公司 | A method of composite membrane is prepared using coffee shell |
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Application publication date: 20200922 |