CN113717588A - PVA emulsion for stone paper, preparation method and application thereof - Google Patents
PVA emulsion for stone paper, preparation method and application thereof Download PDFInfo
- Publication number
- CN113717588A CN113717588A CN202111027508.7A CN202111027508A CN113717588A CN 113717588 A CN113717588 A CN 113717588A CN 202111027508 A CN202111027508 A CN 202111027508A CN 113717588 A CN113717588 A CN 113717588A
- Authority
- CN
- China
- Prior art keywords
- stone paper
- pva
- emulsion
- pva emulsion
- agent
- 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
- 239000004575 stone Substances 0.000 title claims abstract description 58
- 239000000839 emulsion Substances 0.000 title claims abstract description 44
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 21
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 19
- 239000011248 coating agent Substances 0.000 claims abstract description 17
- 238000000576 coating method Methods 0.000 claims abstract description 17
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 16
- 239000002270 dispersing agent Substances 0.000 claims abstract description 16
- 239000003054 catalyst Substances 0.000 claims abstract description 15
- 239000003607 modifier Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 claims description 6
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims description 6
- 238000006136 alcoholysis reaction Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 238000006116 polymerization reaction Methods 0.000 claims description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 3
- 239000004202 carbamide Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 claims description 3
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 3
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims description 3
- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims description 3
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 3
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 abstract description 46
- 229920002451 polyvinyl alcohol Polymers 0.000 abstract description 46
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 239000001301 oxygen Substances 0.000 abstract description 6
- 229910052760 oxygen Inorganic materials 0.000 abstract description 6
- 230000004888 barrier function Effects 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 10
- 239000008234 soft water Substances 0.000 description 8
- 238000003756 stirring Methods 0.000 description 8
- 229920003023 plastic Polymers 0.000 description 7
- 239000004033 plastic Substances 0.000 description 7
- 238000001816 cooling Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000004132 cross linking Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- NOWKCMXCCJGMRR-UHFFFAOYSA-N Aziridine Chemical compound C1CN1 NOWKCMXCCJGMRR-UHFFFAOYSA-N 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- C09D129/00—Coating compositions based on 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; Coating compositions based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Coating compositions based on derivatives of such polymers
- C09D129/02—Homopolymers or copolymers of unsaturated alcohols
- C09D129/04—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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/048—Forming gas barrier coatings
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2262—Oxides; Hydroxides of metals of manganese
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Paper (AREA)
Abstract
The invention provides a PVA emulsion for stone paper, which is prepared from a PVA master batch, a catalyst, a cross-linking agent, a dispersing agent, a modifier, a defoaming agent and water; the application also provides a preparation method and application of the PVA emulsion for the stone paper. According to the PVA emulsion, under the action of a catalyst, a cross-linking agent is added, and the self groups are utilized to shield hydroxyl groups in polyvinyl alcohol molecules, so that the affinity effect of the polyvinyl alcohol molecules with water is reduced, linear polyvinyl alcohol molecules are mutually connected to form a net structure, and the adhesive force of a coating and stone paper is improved; meanwhile, by selecting a proper modifier, the surface tension of the emulsion is effectively reduced, the leveling effect of the emulsion on the stone paper is improved, a uniform and compact coating can be formed, and the oxygen and water vapor barrier property of the stone paper is improved.
Description
Technical Field
The invention relates to the technical field of high polymer materials, and particularly relates to PVA emulsion for stone paper, a preparation method and application thereof.
Background
Plastic bags are consumable goods in daily life, and China consumes a large amount of plastic bags every year; it provides convenience for consumers, and causes serious resource waste and environmental pollution due to excessive use, improper recovery and treatment and the like. The ultrathin plastic shopping bags are easy to damage, most of the ultrathin plastic shopping bags are randomly discarded, and the ultrathin plastic shopping bags become a main source of white pollution. More and more countries and regions have limited the production, sale and use of plastic shopping bags.
The stone paper is used as a novel material between paper and plastic, and is prepared by taking limestone mineral resources with large reserves and wide distribution as a main raw material (the content of calcium carbonate is 70-80%) and taking a high-molecular polymer as an auxiliary material (the content is 20-30%). The stone paper has the advantages of low cost, no pollution and the like. In recent years, stone paper is primarily applied to packaging materials, for example, Chinese patent CN 103450564A discloses an easily degradable and recyclable stone paper packaging container and a preparation method thereof, and is characterized in that novel stone paper prepared by adding PP stone paper special master batch into polypropylene resin achieves a natural degradation effect. However, the stone paper with the structure has poor oxygen barrier performance, and limits the mass popularization in the field of food packaging.
Disclosure of Invention
The invention aims to provide the PVA emulsion for improving the oxygen barrier performance of the stone paper.
In view of the above, the present application provides a PVA emulsion for stone paper, which is prepared from the following raw materials:
preferably, the polymerization degree of the PVA master batch is 500-1000, and the alcoholysis degree is 90-99%.
Preferably, the catalyst is selected from one or both of urea and manganese dioxide.
Preferably, the crosslinking agent is selected from one or two of di-tert-butyl peroxide and peracetic acid.
Preferably, the dispersant is selected from one or two of sodium polyacrylate and sodium hexametaphosphate.
Preferably, the modifier is selected from ethanol or ethylene glycol, and the defoaming agent is selected from silicone defoaming agents.
Preferably, the content of the cross-linking agent is 5-9 wt%, and the content of the modifying agent is 2-4 wt%.
Preferably, the content of the PVA master batch is 12-18 wt%.
The application also provides a preparation method of the PVA emulsion for stone paper, which comprises the following steps:
mixing water, PVA master batch and a dispersing agent according to a ratio, and heating to obtain a mixture;
and adding a catalyst and a cross-linking agent into the mixture, reacting, and adding a modifier and a defoaming agent to obtain the PVA emulsion for the stone paper.
The application also provides composite stone paper, which consists of the stone paper and a coating, wherein the coating is prepared from the PVA emulsion for the stone paper or the PVA emulsion for the stone paper prepared by the preparation method.
The application provides a PVA emulsion for stone paper, which is prepared from a PVA master batch, a catalyst, a cross-linking agent, a dispersing agent, a modifier, a defoaming agent and water; after polyvinyl alcohol in the PVA emulsion is heated and dissolved in soft water, under the action of a catalyst, a cross-linking agent is added, and the self groups are utilized to shield hydroxyl groups in polyvinyl alcohol molecules, so that the affinity effect of the polyvinyl alcohol molecules with water is reduced; the linear molecules of the polyvinyl alcohol are connected with each other to form a net structure, so that the adhesive force of the coating and the stone paper is improved; meanwhile, by selecting a proper modifier, the surface tension of the emulsion is effectively reduced, the leveling effect of the emulsion on the stone paper is improved, a uniform and compact coating can be formed, and the oxygen and water vapor barrier property of the stone paper is improved.
Detailed Description
For a further understanding of the invention, reference will now be made to the preferred embodiments of the invention by way of example, and it is to be understood that the description is intended to further illustrate features and advantages of the invention, and not to limit the scope of the claims.
In view of the performance requirements of stone paper in the prior art, the application provides a PVA emulsion for stone paper, the emulsion is used as a coating of the stone paper and has good oxygen barrier performance, and specifically, the embodiment of the invention discloses a PVA emulsion for stone paper, which is prepared from the following raw materials:
specifically, in the PVA emulsion, the polymerization degree of a PVA master batch is 500-1000, the alcoholysis degree is 90-99%, and the content of the PVA master batch is 10-20 wt%, and more specifically, the content of the PVA master batch is 12-18 wt%.
The catalyst is specifically selected from one or two of urea and manganese dioxide, and more specifically, the content of the catalyst is 2-4 wt%.
The crosslinking agent is selected from one or two of di-tert-butyl peroxide and peracetic acid, the content of the crosslinking agent is 2-10 wt%, and more specifically the content of the crosslinking agent is 3.5-9 wt%.
The dispersing agent is specifically selected from one or two of sodium polyacrylate and sodium hexametaphosphate, the content of the dispersing agent is 1-5 wt%, and more specifically, the content of the dispersing agent is 2-4 wt%.
The modifier is selected from one or two of ethanol and glycol, the content of the modifier is 1.5-5 wt%, and more specifically, the content of the modifier is 2-4 wt%.
The defoaming agent is an organic silicon defoaming agent, the content of the defoaming agent is 0.5-2 wt%, and more specifically, the content of the defoaming agent is 1-1.5 wt%.
The application also provides a preparation method of the PVA emulsion for stone paper, which comprises the following steps:
mixing water, PVA master batch and a dispersing agent according to a ratio, and heating to obtain a mixture;
and adding a catalyst and a cross-linking agent into the mixture, reacting, and adding a modifier and a defoaming agent to obtain the PVA emulsion for the stone paper.
In the process of obtaining the mixture, the mixing is carried out in a stirring process, the stirring speed is 100-200 r/min, the heating temperature is 90-100 ℃, and the time is 3-5 h, so that the PVA master batch is fully dissolved.
The reaction temperature is 70-80 ℃, and the reaction time is 1-2 h.
The application also provides composite stone paper which comprises the stone paper and a coating, wherein the coating is prepared from the PVA emulsion.
The PVA emulsion provided by the invention is coated on 100-150 g/m2The coating weight of the coating on the stone paper is 3-5 g/m2。
In order to further understand the present invention, the following will explain the PVA emulsion for stone paper, its preparation method and its application in detail with reference to the following examples, and the scope of the present invention is not limited by the following examples.
Example 1
(1) The raw material proportion and the specific types are limited:
(2) the preparation method comprises the following steps:
adding 68 wt% of soft water, 20 wt% of PVA master batch and 5 wt% of dispersing agent into a reaction kettle, starting stirring at the speed of 150 revolutions per minute, heating to 92 ℃ and keeping for 5 hours to completely dissolve the soft water, the PVA master batch and the dispersing agent; and then cooling to 73 ℃, adding 1 wt% of catalyst and 2 wt% of cross-linking agent, carrying out heat preservation reaction for 1 hour, adding 3 wt% of modifier and 1 wt% of defoaming agent after the cross-linking reaction is completed, fully stirring for 1 hour, standing, cooling to room temperature, and discharging.
Example 2
(1) The raw material proportion and the specific types are limited:
(2) the preparation method comprises the following steps:
adding 72 wt% of soft water, 15 wt% of PVA master batch and 2 wt% of dispersing agent into a reaction kettle, starting stirring at the speed of 180 r/min, heating to 90 ℃ and keeping for 4 hours to completely dissolve the soft water, 15 wt% of PVA master batch and 2 wt% of dispersing agent; and then cooling to 70 ℃, adding 5 wt% of catalyst and 2.5 wt% of cross-linking agent, carrying out heat preservation reaction for 1 hour, adding 2 wt% of modifier and 1.5 wt% of defoaming agent after the cross-linking reaction is completed, fully stirring for 1.5 hours, standing, cooling to room temperature, and discharging.
Example 3
(1) The raw material proportion and the specific types are limited:
(2) the preparation method comprises the following steps:
adding 77 wt% of soft water, 10 wt% of PVA master batch and 3 wt% of dispersing agent into a reaction kettle, starting stirring at the speed of 200 revolutions per minute, heating to 95 ℃ and keeping for 3 hours to completely dissolve the soft water, 10 wt% of PVA master batch and 3 wt% of dispersing agent; and then cooling to 75 ℃, adding 3 wt% of catalyst and 6 wt% of cross-linking agent, carrying out heat preservation reaction for 1 hour, adding 1.5 wt% of modifier and 0.5 wt% of defoaming agent after the cross-linking reaction is completed, fully stirring for 2 hours, standing, cooling to room temperature, and discharging.
Comparative example 1
The control PVA emulsion was the emulsion coating obtained in example 2 of the prior art CN 104118156A, and the coated stone paper prepared by coating with this emulsion was recorded as comparative example 1.
Comparative example 2
Performed as in example 1, except that: the used PVA master batch is changed into polymerization degree of 2400 and alcoholysis degree of 88 percent, the catalyst is changed into potassium persulfate, and the cross-linking agent is changed into aziridine.
Comparative example 3
Performed as in example 1, except that: the cross-linking agent in the raw material formula is omitted, and the soft water content is complemented to 100 wt%.
Preparation of coated Stone paper
Taking the density of 100g/m2The emulsion was coated on one surface of the stone paper (thickness: 80 μm) in an amount of 6g/m2After coating, the coated stone paper was dried at 110 ℃ for 6 seconds to form a coating layer (thickness: 4 μm).
Performance testing
Testing the oxygen transmission rate of the coated stone paper sample by referring to the national standard GB/T1038, wherein the testing conditions are that the temperature is 23 ℃ and the humidity is 0% RH; the water vapor transmission rate of the coated stone paper sample is tested according to the national standard GB/T1037, wherein the testing conditions are that the temperature is 38 ℃ and the humidity is 90% RH. Testing the adhesion of the coating to the stone paper by referring to the national standard GB/T9286-1998; the test results are shown in Table 1.
TABLE 1 product effects corresponding to the emulsions of examples 1-3 and comparative examples 1-3
The above description of the embodiments is only intended to facilitate the understanding of the method of the invention and its core idea. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A PVA emulsion for stone paper is prepared from the following raw materials:
2. the PVA emulsion for stone paper as claimed in claim 1, wherein the PVA master batch has a polymerization degree of 500 to 1000 and an alcoholysis degree of 90 to 99%.
3. The PVA emulsion for stone paper as claimed in claim 1, wherein the catalyst is one or both of urea and manganese dioxide.
4. The PVA emulsion for stone paper as claimed in claim 1, wherein the crosslinking agent is one or two selected from di-tert-butyl peroxide and peracetic acid.
5. The PVA emulsion for stone paper as claimed in claim 1, wherein the dispersant is one or two selected from sodium polyacrylate and sodium hexametaphosphate.
6. The PVA emulsion for stone paper as claimed in claim 1, wherein the modifier is selected from ethanol or ethylene glycol, and the defoaming agent is selected from silicone defoaming agents.
7. The PVA emulsion for stone paper as claimed in claim 1, wherein the crosslinking agent is contained in an amount of 5 to 9 wt%, and the modifying agent is contained in an amount of 2 to 4 wt%.
8. The PVA emulsion for stone paper as claimed in claim 1, wherein the PVA master batch is contained in an amount of 12 to 18 wt%.
9. The preparation method of PVA emulsion for stone paper as set forth in claim 1, comprising the steps of:
mixing water, PVA master batch and a dispersing agent according to a ratio, and heating to obtain a mixture;
and adding a catalyst and a cross-linking agent into the mixture, reacting, and adding a modifier and a defoaming agent to obtain the PVA emulsion for the stone paper.
10. The composite stone paper consists of stone paper and a coating, wherein the coating is prepared from the PVA emulsion for the stone paper as claimed in any one of claims 1 to 8 or the PVA emulsion for the stone paper prepared by the preparation method as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111027508.7A CN113717588A (en) | 2021-09-02 | 2021-09-02 | PVA emulsion for stone paper, preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111027508.7A CN113717588A (en) | 2021-09-02 | 2021-09-02 | PVA emulsion for stone paper, preparation method and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113717588A true CN113717588A (en) | 2021-11-30 |
Family
ID=78681110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111027508.7A Pending CN113717588A (en) | 2021-09-02 | 2021-09-02 | PVA emulsion for stone paper, preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113717588A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116752375A (en) * | 2023-06-27 | 2023-09-15 | 东莞桔蕴新材料科技有限公司 | PVA emulsion special for paper and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050154123A1 (en) * | 2003-12-02 | 2005-07-14 | Celanese Emulsions Gmbh | Polymer dispersions having improved water-vapor barrier action, their production and use for food coating |
| CN1687264A (en) * | 2005-04-26 | 2005-10-26 | 海南赛诺实业有限公司 | Method for fabricating obstruction coating film of modified polyvinyl alcohol and coating film produced thereby |
| CN1952027A (en) * | 2005-10-18 | 2007-04-25 | 刘建林 | Water-insoluble modified polyvinyl alcohol coating liquor and its preparation process |
| CN104781287A (en) * | 2012-09-21 | 2015-07-15 | 阿肯马法国公司 | Aqueous emulsion composition of organic peroxide |
| CN108410286A (en) * | 2018-03-27 | 2018-08-17 | 纳琳威纳米科技南通有限公司 | A kind of coating fluid and preparation method thereof being used to prepare high-barrier water boiling resistance film |
| CN113150625A (en) * | 2021-05-06 | 2021-07-23 | 海南必凯水性新材料有限公司 | PVOH emulsion for PE coating film and preparation method thereof |
-
2021
- 2021-09-02 CN CN202111027508.7A patent/CN113717588A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050154123A1 (en) * | 2003-12-02 | 2005-07-14 | Celanese Emulsions Gmbh | Polymer dispersions having improved water-vapor barrier action, their production and use for food coating |
| CN1687264A (en) * | 2005-04-26 | 2005-10-26 | 海南赛诺实业有限公司 | Method for fabricating obstruction coating film of modified polyvinyl alcohol and coating film produced thereby |
| CN1952027A (en) * | 2005-10-18 | 2007-04-25 | 刘建林 | Water-insoluble modified polyvinyl alcohol coating liquor and its preparation process |
| CN104781287A (en) * | 2012-09-21 | 2015-07-15 | 阿肯马法国公司 | Aqueous emulsion composition of organic peroxide |
| CN108410286A (en) * | 2018-03-27 | 2018-08-17 | 纳琳威纳米科技南通有限公司 | A kind of coating fluid and preparation method thereof being used to prepare high-barrier water boiling resistance film |
| CN113150625A (en) * | 2021-05-06 | 2021-07-23 | 海南必凯水性新材料有限公司 | PVOH emulsion for PE coating film and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116752375A (en) * | 2023-06-27 | 2023-09-15 | 东莞桔蕴新材料科技有限公司 | PVA emulsion special for paper and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110305621B (en) | Dealcoholized room-temperature curing organosilicon sealant and preparation method thereof | |
| CN104118156B (en) | A kind of high-barrier environmental protection coating internal lining paper and manufacture method thereof | |
| CN114086421B (en) | Fluorine-free waterproof and oil-proof agent and preparation method and application thereof | |
| CN113717588A (en) | PVA emulsion for stone paper, preparation method and application thereof | |
| CN110804405A (en) | Oxidized corn starch adhesive and preparation method thereof | |
| CN112898665A (en) | Environment-friendly composite plastic film and preparation method thereof | |
| CN110358133B (en) | Acrylate foam polymer replacing PVA collodion and preparation method thereof | |
| CN111138773A (en) | Light-weight polystyrene foam material with small pore diameter and preparation method thereof | |
| CN102838769B (en) | Preparation method of moisture absorption packaging film | |
| Liu et al. | PVA wood adhesive modified with sodium silicate cross-linked copolymer | |
| CN104893202A (en) | Anticorrosive fresh-keeping fully-degradable plastic film for food packaging and preparation method thereof | |
| CN108948436A (en) | A kind of preparation method of the modified composite membrane of sodium alginate-pectin | |
| Su et al. | Characterization of cross-linked alkaline lignin/poly (vinyl alcohol) film with a formaldehyde cross-linker | |
| CN104775325A (en) | Preparation method of AKD solid sizing agent | |
| Chuntanalerg et al. | Performance polybenzoxazine membrane and mixed matrix membrane for ethanol purification via pervaporation applications | |
| CN108164634A (en) | Modified polyvinylalcohol and preparation method thereof | |
| CN110330654B (en) | Methyl vinyl silicone rubber and application thereof | |
| CN115992464A (en) | Surface sizing agent for low gram weight fine dried noodle cardboard paper and processing method thereof | |
| CN112431067B (en) | Environment-friendly packaging box and preparation process thereof | |
| CN102911418B (en) | Method for preparing polyacrylate-organic P fire retardant through concentrated emulsion | |
| Qu et al. | Preparation of sodium carboxymethylcellulose/poly (methyl acrylate) IPN hydrogels and their application for adsorption | |
| CN111254748B (en) | Preparation of hyperbranched structure super water-absorbing functional material and application of hyperbranched structure super water-absorbing functional material in packaging paper sizing material | |
| CN110373938B (en) | Water-resistant paper-plastic composite material and preparation method thereof | |
| CN108047826A (en) | A kind of organosilicon polymer complex emulsions and preparation method thereof | |
| CN108395559B (en) | High-performance high-barrier food packaging film and preparation method 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 |
Application publication date: 20211130 |
|
| RJ01 | Rejection of invention patent application after publication |