CN108532367B - Paper packaging paper with woven effect - Google Patents
Paper packaging paper with woven effect Download PDFInfo
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- CN108532367B CN108532367B CN201810209408.8A CN201810209408A CN108532367B CN 108532367 B CN108532367 B CN 108532367B CN 201810209408 A CN201810209408 A CN 201810209408A CN 108532367 B CN108532367 B CN 108532367B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B29/005—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to another layer of paper or cardboard layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/10—Interconnection of layers at least one layer having inter-reactive properties
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/50—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by form
- D21H21/52—Additives of definite length or shape
- D21H21/54—Additives of definite length or shape being spherical, e.g. microcapsules, beads
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/10—Packing paper
Abstract
The invention relates to the technical field of packaging paper, in particular to paper packaging paper with a woven effect, which comprises a paper base layer, an adhesive layer and a woven layer which are sequentially compounded from bottom to top, wherein the woven layer is formed by weaving strip-shaped paper strips in a staggered mode, and the adhesive layer is formed by solidifying an environment-friendly adhesive. The woven layer woven by the paper strips has a three-dimensional appearance effect, high ornamental value, no printing ink and simple and elegant design; in addition, because the paper strips of the woven layer are arranged in a staggered manner, the woven layer and the paper base layer are easy to warp, fall off and the like, and in order to ensure that the woven layer can be stably bonded on the paper base layer, the invention designs the environment-friendly adhesive formed by polymerizing acrylic resin and gelatin, and the environment-friendly adhesive has the characteristics of no toxicity, no harm, high temperature resistance and good bonding performance, and is particularly suitable for bonding the woven layer and the paper base layer.
Description
Technical Field
The invention relates to the technical field of packaging paper, in particular to paper packaging paper with a weaving effect.
Background
The packing paper refers to paper for packing, and includes kraft paper, chicken skin paper, paper bag paper, parchment paper, glassine paper, asphalt paper, moistureproof paper, gunpowder packing paper, neutral packing paper, translucent paper, antirust paper, oil-proof paper, food packing paper, paraffin paper, tea bag paper, red firework paper, vacuum aluminized paper, composite paper and the like. In order to improve the ornamental value of the wrapping paper, patterns are generally printed on the wrapping paper, but the printing effect depends on the quality of ink, the printing precision, the pattern design and the like, the design is complicated, the appearance effect is limited to a plane effect, and the ornamental value is low.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide the paper packaging paper with the weaving effect, which has the advantages of three-dimensional effect, simple design and attractive appearance.
The purpose of the invention is realized by the following technical scheme:
the utility model provides an effect wrapping paper is woven to paper, includes from bottom to top composite paper basic unit, bond line and weaving layer in proper order, the weaving layer is woven by banding note is crisscross to be formed, the bond line is formed by the solidification of environmental protection adhesive, the environmental protection adhesive includes following parts by weight's raw materials:
the woven layer woven by the paper strips has a three-dimensional appearance effect, high ornamental value, no printing ink and simple and elegant design; in addition, because the paper strips of the woven layer are arranged in a staggered manner, the woven layer and the paper base layer are easy to warp, fall off and the like, and in order to ensure that the woven layer can be stably bonded on the paper base layer, the invention designs the environment-friendly adhesive formed by polymerizing acrylic resin and gelatin, and the environment-friendly adhesive has the characteristics of no toxicity, no harm, high temperature resistance and good bonding performance, and is particularly suitable for bonding the woven layer and the paper base layer.
The filler is composed of micron-sized composite microspheres and nano lignin according to the weight ratio of 1-3:1-3, the micron-sized composite microspheres are core-shell structure microspheres, the core of the core-shell structure microspheres is nano red phosphorus, and the shell of the core-shell structure microspheres is microcrystalline cellulose.
The traditional fillers are inorganic substances such as calcium carbonate, talcum powder, barium sulfate and the like, and the inorganic substances can also play a role in enhancing the mechanical property of the environment-friendly adhesive, but can also cause the reduction of the bonding force and the temperature resistance stability of the environment-friendly adhesive. According to the environment-friendly adhesive, the lignin and the microcrystalline cellulose with specific particle sizes are compounded, so that the mechanical property and the bonding property of the environment-friendly adhesive can be enhanced, and in addition, nano red phosphorus is embedded in the microcrystalline cellulose and can be matched with the microcrystalline cellulose and the lignin to achieve a flame retardant effect by being used as an acid source.
The adhesive can also improve the adhesive property of the environment-friendly adhesive to cellulose paper, and is particularly suitable for paper packaging boxes.
The preparation method of the micron-sized composite microspheres comprises the following steps:
A. dissolving microcrystalline cellulose in ionic liquid according to the mass ratio of 6-10:100 at the temperature of 80-90 ℃ to form microcrystalline cellulose solution;
B. b, adding nano red phosphorus into the microcrystalline cellulose solution obtained in the step A, and uniformly stirring to obtain a suspension, wherein the nano red phosphorus accounts for 4-8 wt% of the suspension;
C. and D, performing electrostatic spraying on the turbid liquid obtained in the step B to obtain the micron-sized composite microsphere master batch.
The invention utilizes the regeneration principle of microcrystalline cellulose, can uniformly disperse the nano red phosphorus and is coated by the regenerated micron-sized microcrystalline cellulose, so that the micron-sized composite microsphere master batch disclosed by the invention has the size effects of a nano material and a micron material, and the microcrystalline cellulose can be further subjected to cross-linking polymerization with an acrylic acid monomer and gelatin in the initiation polymerization process, thereby improving the adhesion and stability of the environment-friendly adhesive.
Wherein the particle size of the nano red phosphorus is 60-100nm, and the particle size of the micron-sized composite microsphere is 34.6-47.4 μm. The nano red phosphorus can be easily coated by microcrystalline cellulose by reasonably controlling the nano red phosphorus, and the compatibility of the micron composite microspheres with acrylic acid monomers and gelatin can be improved by controlling the particle size of the micron composite microspheres, so that the effect of enhancing the mechanical property of the bonding layer is achieved.
Wherein in the step C, the spraying voltage of electrostatic spraying is 20-40kV, and the spraying temperature is 20-30 ℃.
Wherein the thickening agent consists of rosin resin and hydroxymethyl cellulose in a weight ratio of 1: 2-4. The compound thickener consisting of the rosin resin and the hydroxymethyl cellulose is used for regulating the viscosity of the environment-friendly adhesive, so that the bonding performance of the environment-friendly adhesive and the dispersion uniformity of various substances can be effectively improved.
Wherein the penetrating agent consists of sodium a-alkenyl sulfonate, sodium lignin sulfonate and sodium alkylphenol polyoxyethylene ether sulfate in a weight ratio of 1:1-3: 1-3. The complex penetrant consisting of the alpha-sodium alkenyl sulfonate, the sodium lignin sulfonate and the sodium alkylphenol polyoxyethylene ether sulfate can improve the interface performance of the environment-friendly adhesive and the cellulose paper, thereby effectively improving the adhesive force.
Wherein the defoaming agent consists of polydimethylsiloxane, polyoxypropylene glycerol ether and polyoxypropylene polyoxyethylene glycerol ether according to the weight ratio of 2-4:1-3: 1. The defoamer compounded by the invention can effectively reduce bubbles generated in the production process, so that the raw materials of the environment-friendly adhesive are uniformly dispersed and have stable properties.
Wherein the antioxidant consists of ascorbyl palmitate, tea polyphenol and 4-hexylresorcinol according to the weight ratio of 2-6:2-4: 1. The antioxidant compounded by the invention can improve the oxidation resistance of the gelatin, thereby improving the stability of the environment-friendly adhesive.
The preparation method of the environment-friendly adhesive comprises the following steps: (1) adding gelatin into water, and heating to 60-80 deg.C to obtain gelatin solution; (2) adding acrylic acid, butyl acrylate, 4-hydroxybutyl acrylate, isooctyl methacrylate and a filler into the gelatin solution, stirring uniformly, and gradually dropwise adding an initiator for 2-4h to obtain a polymer emulsion; (3) and cooling the polymer emulsion to 40-60 ℃, adding a thickening agent, a penetrating agent, a defoaming agent and an antioxidant, uniformly stirring, and cooling to 20-30 ℃ to obtain the environment-friendly adhesive.
The invention has the beneficial effects that: the woven layer woven by the paper strips has a three-dimensional appearance effect, high ornamental value, no printing ink and simple and elegant design; in addition, because the paper strips of the woven layer are arranged in a staggered manner, the woven layer and the paper base layer are easy to warp, fall off and the like, and in order to ensure that the woven layer can be stably bonded on the paper base layer, the invention designs the environment-friendly adhesive formed by polymerizing acrylic resin and gelatin, and the environment-friendly adhesive has the characteristics of no toxicity, no harm, high temperature resistance and good bonding performance, and is particularly suitable for bonding the woven layer and the paper base layer.
Detailed Description
The present invention will be further described with reference to the following examples for facilitating understanding of those skilled in the art, and the description of the embodiments is not intended to limit the present invention.
Example 1
The utility model provides an effect wrapping paper is woven to paper, includes from bottom to top composite paper basic unit, bond line and weaving layer in proper order, the weaving layer is woven by banding note is crisscross to be formed, the bond line is formed by the solidification of environmental protection adhesive, the environmental protection adhesive includes following parts by weight's raw materials:
the filler is composed of micron-sized composite microspheres and nano lignin according to the weight ratio of 1:1, the micron-sized composite microspheres are core-shell structure microspheres, the core of each core-shell structure microsphere is nano red phosphorus, and the shell of each core-shell structure microsphere is microcrystalline cellulose.
The preparation method of the micron-sized composite microspheres comprises the following steps:
A. dissolving microcrystalline cellulose in ionic liquid according to the mass ratio of 8:100 at 85 ℃ to form microcrystalline cellulose solution;
B. b, adding nano red phosphorus into the microcrystalline cellulose solution obtained in the step A, and uniformly stirring to obtain a suspension, wherein the nano red phosphorus accounts for 6 wt% of the suspension;
C. and D, performing electrostatic spraying on the turbid liquid obtained in the step B to obtain the micron-sized composite microsphere master batch.
Wherein the particle size of the nano red phosphorus is 60nm, and the particle size of the micron-sized composite microsphere is 34.6 mu m.
Wherein, in the step C, the spraying voltage of electrostatic spraying is 30kV, and the spraying temperature is 25 ℃.
Wherein the thickening agent consists of rosin resin and hydroxymethyl cellulose in a weight ratio of 1: 3.
The penetrant is composed of alpha-sodium alkenyl sulfonate, sodium lignin sulfonate and sodium alkylphenol polyoxyethylene ether sulfate according to the weight ratio of 1:2: 2.
The defoaming agent is composed of polydimethylsiloxane, polyoxypropylene glycerol ether and polyoxypropylene polyoxyethylene glycerol ether according to the weight ratio of 3:2: 1.
Wherein the antioxidant consists of ascorbyl palmitate, tea polyphenol and 4-hexylresorcinol in a weight ratio of 4:3: 1.
The preparation method of the environment-friendly adhesive comprises the following steps: (1) adding gelatin into water, and heating to 70 deg.C to obtain gelatin solution; (2) adding acrylic acid, butyl acrylate, 4-hydroxybutyl acrylate, isooctyl methacrylate and a filler into the gelatin solution, stirring uniformly, and gradually dropwise adding an initiator for 3h to obtain a polymer emulsion; (3) and cooling the polymer emulsion to 50 ℃, adding a thickening agent, a penetrating agent, a defoaming agent and an antioxidant, uniformly stirring, and cooling to 25 ℃ to obtain the environment-friendly adhesive.
Example 2
The utility model provides an effect wrapping paper is woven to paper, includes from bottom to top composite paper basic unit, bond line and weaving layer in proper order, the weaving layer is woven by banding note is crisscross to be formed, the bond line is formed by the solidification of environmental protection adhesive, the environmental protection adhesive includes following parts by weight's raw materials:
the filler is composed of micron-sized composite microspheres and nano lignin according to the weight ratio of 1:3, the micron-sized composite microspheres are core-shell structure microspheres, the core of each core-shell structure microsphere is nano red phosphorus, and the shell of each core-shell structure microsphere is microcrystalline cellulose.
The preparation method of the micron-sized composite microspheres comprises the following steps:
A. dissolving microcrystalline cellulose in ionic liquid according to the mass ratio of 6:100 at the temperature of 80 ℃ to form microcrystalline cellulose solution;
B. b, adding nano red phosphorus into the microcrystalline cellulose solution obtained in the step A, and uniformly stirring to obtain a suspension, wherein the nano red phosphorus accounts for 4 wt% of the suspension;
C. and D, performing electrostatic spraying on the turbid liquid obtained in the step B to obtain the micron-sized composite microsphere master batch.
Wherein the particle size of the nano red phosphorus is 100nm, and the particle size of the micron-sized composite microsphere is 47.4 mu m.
Wherein, in the step C, the spraying voltage of electrostatic spraying is 20kV, and the spraying temperature is 20 ℃.
Wherein the thickening agent consists of rosin resin and hydroxymethyl cellulose in a weight ratio of 1: 2-4.
The penetrant is composed of alpha-sodium alkenyl sulfonate, sodium lignin sulfonate and sodium alkylphenol polyoxyethylene ether sulfate according to the weight ratio of 1:1: 1.
The defoaming agent is composed of polydimethylsiloxane, polyoxypropylene glycerol ether and polyoxypropylene polyoxyethylene glycerol ether according to the weight ratio of 2:1: 1.
Wherein the antioxidant consists of ascorbyl palmitate, tea polyphenol and 4-hexylresorcinol according to the weight ratio of 2:2: 1.
The preparation method of the environment-friendly adhesive comprises the following steps: (1) adding gelatin into water, and heating to 60 deg.C to obtain gelatin solution; (2) adding acrylic acid, butyl acrylate, 4-hydroxybutyl acrylate, isooctyl methacrylate and a filler into the gelatin solution, stirring uniformly, and gradually dropwise adding an initiator for 2 hours to obtain a polymer emulsion; (3) and cooling the polymer emulsion to 40 ℃, adding a thickening agent, a penetrating agent, a defoaming agent and an antioxidant, uniformly stirring, and cooling to 20 ℃ to obtain the environment-friendly adhesive.
Example 3
The utility model provides an effect wrapping paper is woven to paper, includes from bottom to top composite paper basic unit, bond line and weaving layer in proper order, the weaving layer is woven by banding note is crisscross to be formed, the bond line is formed by the solidification of environmental protection adhesive, the environmental protection adhesive includes following parts by weight's raw materials:
the filler is composed of micron-sized composite microspheres and nano lignin according to a weight ratio of 3:1, the micron-sized composite microspheres are core-shell structure microspheres, cores of the core-shell structure microspheres are nano red phosphorus, and shells of the core-shell structure microspheres are microcrystalline cellulose.
The preparation method of the micron-sized composite microspheres comprises the following steps:
A. dissolving microcrystalline cellulose in ionic liquid according to the mass ratio of 10:100 at the temperature of 90 ℃ to form microcrystalline cellulose solution;
B. b, adding nano red phosphorus into the microcrystalline cellulose solution obtained in the step A, and uniformly stirring to obtain a suspension, wherein the nano red phosphorus accounts for 8 wt% of the suspension;
C. and D, performing electrostatic spraying on the turbid liquid obtained in the step B to obtain the micron-sized composite microsphere master batch.
Wherein the particle size of the nano red phosphorus is 80nm, and the particle size of the micron-sized composite microsphere is 42.1 mu m.
Wherein, in the step C, the spraying voltage of electrostatic spraying is 40kV, and the spraying temperature is 30 ℃.
Wherein the thickening agent consists of rosin resin and hydroxymethyl cellulose in a weight ratio of 1: 4.
The penetrant is composed of alpha-sodium alkenyl sulfonate, sodium lignin sulfonate and sodium alkylphenol polyoxyethylene ether sulfate according to the weight ratio of 1:3: 3.
The defoaming agent is composed of polydimethylsiloxane, polyoxypropylene glycerol ether and polyoxypropylene polyoxyethylene glycerol ether according to the weight ratio of 4:3: 1.
Wherein the antioxidant consists of ascorbyl palmitate, tea polyphenol and 4-hexylresorcinol according to the weight ratio of 6:4: 1.
The preparation method of the environment-friendly adhesive comprises the following steps: (1) adding gelatin into water, and heating to 80 deg.C to obtain gelatin solution; (2) adding acrylic acid, butyl acrylate, 4-hydroxybutyl acrylate, isooctyl methacrylate and a filler into the gelatin solution, stirring uniformly, and gradually dropwise adding an initiator for 4 hours to obtain a polymer emulsion; (3) and cooling the polymer emulsion to 60 ℃, adding a thickening agent, a penetrating agent, a defoaming agent and an antioxidant, uniformly stirring, and cooling to 30 ℃ to obtain the environment-friendly adhesive.
Example 4
The utility model provides an effect wrapping paper is woven to paper, includes from bottom to top composite paper basic unit, bond line and weaving layer in proper order, the weaving layer is woven by banding note is crisscross to be formed, the bond line is formed by the solidification of environmental protection adhesive, the environmental protection adhesive includes following parts by weight's raw materials:
the filler is composed of micron-sized composite microspheres and nano lignin according to a weight ratio of 2:1, the micron-sized composite microspheres are core-shell structure microspheres, cores of the core-shell structure microspheres are nano red phosphorus, and shells of the core-shell structure microspheres are microcrystalline cellulose.
The preparation method of the micron-sized composite microspheres comprises the following steps:
A. dissolving microcrystalline cellulose in ionic liquid according to the mass ratio of 7:100 at 83 ℃ to form microcrystalline cellulose solution;
B. b, adding nano red phosphorus into the microcrystalline cellulose solution obtained in the step A, and uniformly stirring to obtain a suspension, wherein the nano red phosphorus accounts for 5 wt% of the suspension;
C. and D, performing electrostatic spraying on the turbid liquid obtained in the step B to obtain the micron-sized composite microsphere master batch.
Wherein the particle size of the nano red phosphorus is 64nm, and the particle size of the micron-sized composite microsphere is 38.6 mu m.
Wherein, in the step C, the spraying voltage of electrostatic spraying is 25kV, and the spraying temperature is 23 ℃.
Wherein the thickening agent consists of rosin resin and hydroxymethyl cellulose in a weight ratio of 1: 3.
The penetrant is composed of alpha-sodium alkenyl sulfonate, sodium lignin sulfonate and sodium alkylphenol polyoxyethylene ether sulfate according to the weight ratio of 1:2: 1.
The defoaming agent is composed of polydimethylsiloxane, polyoxypropylene glycerol ether and polyoxypropylene polyoxyethylene glycerol ether according to the weight ratio of 2:3: 1.
Wherein the antioxidant consists of ascorbyl palmitate, tea polyphenol and 4-hexylresorcinol according to the weight ratio of 6:2: 1.
The preparation method of the environment-friendly adhesive comprises the following steps: (1) adding gelatin into water, and heating to 65 ℃ to obtain a gelatin solution; (2) adding acrylic acid, butyl acrylate, 4-hydroxybutyl acrylate, isooctyl methacrylate and a filler into the gelatin solution, stirring uniformly, and gradually dropwise adding an initiator for 2.5h to obtain a polymer emulsion; (3) and cooling the polymer emulsion to 45 ℃, adding a thickening agent, a penetrating agent, a defoaming agent and an antioxidant, uniformly stirring, and cooling to 22 ℃ to obtain the environment-friendly adhesive.
Example 5
The utility model provides an effect wrapping paper is woven to paper, includes from bottom to top composite paper basic unit, bond line and weaving layer in proper order, the weaving layer is woven by banding note is crisscross to be formed, the bond line is formed by the solidification of environmental protection adhesive, the environmental protection adhesive includes following parts by weight's raw materials:
the filler is composed of micron-sized composite microspheres and nano lignin according to a weight ratio of 3:1, the micron-sized composite microspheres are core-shell structure microspheres, cores of the core-shell structure microspheres are nano red phosphorus, and shells of the core-shell structure microspheres are microcrystalline cellulose.
The preparation method of the micron-sized composite microspheres comprises the following steps:
A. dissolving microcrystalline cellulose in ionic liquid according to the mass ratio of 9:100 at the temperature of 88 ℃ to form microcrystalline cellulose solution;
B. b, adding nano red phosphorus into the microcrystalline cellulose solution obtained in the step A, and uniformly stirring to obtain a suspension, wherein the nano red phosphorus accounts for 7 wt% of the suspension;
C. and D, performing electrostatic spraying on the turbid liquid obtained in the step B to obtain the micron-sized composite microsphere master batch.
Wherein the particle size of the nano red phosphorus is 86nm, and the particle size of the micron-sized composite microsphere is 36.7 mu m.
Wherein, in the step C, the spraying voltage of electrostatic spraying is 35kV, and the spraying temperature is 28 ℃.
Wherein the thickening agent consists of rosin resin and hydroxymethyl cellulose in a weight ratio of 1: 4.
The penetrant is composed of alpha-sodium alkenyl sulfonate, sodium lignin sulfonate and sodium alkylphenol polyoxyethylene ether sulfate according to the weight ratio of 1:3: 1.
The defoaming agent is composed of polydimethylsiloxane, polyoxypropylene glycerol ether and polyoxypropylene polyoxyethylene glycerol ether according to the weight ratio of 3:3: 1.
Wherein the antioxidant consists of ascorbyl palmitate, tea polyphenol and 4-hexylresorcinol according to the weight ratio of 5:4: 1.
The preparation method of the environment-friendly adhesive comprises the following steps: (1) adding gelatin into water, and heating to 75 deg.C to obtain gelatin solution; (2) adding acrylic acid, butyl acrylate, 4-hydroxybutyl acrylate, isooctyl methacrylate and a filler into the gelatin solution, stirring uniformly, and gradually dropwise adding an initiator for 3.5h to obtain a polymer emulsion; (3) and cooling the polymer emulsion to 55 ℃, adding a thickening agent, a penetrating agent, a defoaming agent and an antioxidant, uniformly stirring, and cooling to 27 ℃ to obtain the environment-friendly adhesive.
Example 6
This example differs from example 1 in that: the filling material is composed of micron-sized calcium carbonate and nano-sized calcium carbonate according to the weight ratio of 1: 1.
The environmental adhesives of examples 1-6 were tested for tensile and shear strength according to the present invention and the results are shown in the following table:
| tensile Strength (MPa) | Shear strength (MPa) | |
| Example 1 | 32.4 | 21.5 |
| Example 2 | 29.6 | 18.6 |
| Example 3 | 28.7 | 18.2 |
| Example 4 | 25.3 | 15.6 |
| Example 5 | 26.1 | 15.6 |
| Example 6 | 13.5 | 13.2 |
As shown in the above table, the environment-friendly adhesive of the present invention has high tensile strength and shear strength, and the best effect is obtained in example 1, and the raw materials are non-toxic and harmless, and is particularly suitable for bonding of a woven layer and a paper base layer.
The invention also uses the environment-friendly adhesives of the examples 1-6 to bond paper packaging boxes with agreed specifications and is placed in an environment with 40 ℃ and 45 ℃ to test the temperature resistance, the jelly glue of the example 6 can resist 24h (40 ℃) and 14h (45 ℃) by taking the edge warping phenomenon as a cut-off point, the jelly glue of the example 4 and the example 5 can resist 30h (40 ℃) and 22(45 ℃), the jelly glue of the example 2 and the example 3 can resist 50h (40 ℃) and 34h (45 ℃), and the jelly glue of the example 1 can resist 76h (40 ℃) and 50h (45 ℃).
The above-described embodiments are preferred implementations of the present invention, and the present invention may be implemented in other ways without departing from the spirit of the present invention.
Claims (8)
1. The utility model provides an effect wrapping paper is woven to paper which characterized in that: the adhesive layer is formed by solidifying an environment-friendly adhesive, and the environment-friendly adhesive comprises the following raw materials in parts by weight:
the filler is composed of micron-sized composite microspheres and nano lignin according to the weight ratio of 1-3: 1-3; the micron-sized composite microspheres are core-shell structure microspheres, the core of each core-shell structure microsphere is nano red phosphorus, and the shell of each core-shell structure microsphere is microcrystalline cellulose;
the preparation method of the micron-sized composite microspheres comprises the following steps:
A. dissolving microcrystalline cellulose in ionic liquid according to the mass ratio of 6-10:100 at the temperature of 80-90 ℃ to form microcrystalline cellulose solution;
B. b, adding nano red phosphorus into the microcrystalline cellulose solution obtained in the step A, and uniformly stirring to obtain a suspension, wherein the nano red phosphorus accounts for 4-8 wt% of the suspension;
C. and D, performing electrostatic spraying on the turbid liquid obtained in the step B to obtain the micron-sized composite microsphere master batch.
2. The paper woven effect packaging paper as claimed in claim 1, wherein: the particle size of the nano red phosphorus is 60-100nm, and the particle size of the micron-sized composite microsphere is 34.6-47.4 μm.
3. The paper woven effect packaging paper as claimed in claim 1, wherein: in the step C, the spraying voltage of electrostatic spraying is 20-40kV, and the spraying temperature is 20-30 ℃.
4. The paper woven effect packaging paper as claimed in claim 1, wherein: the thickening agent consists of rosin resin and hydroxymethyl cellulose in a weight ratio of 1: 2-4.
5. The paper woven effect packaging paper as claimed in claim 1, wherein: the penetrant consists of alpha-sodium alkenyl sulfonate, sodium lignin sulfonate and sodium alkylphenol polyoxyethylene ether sulfate in the weight ratio of 1:1-3: 1-3.
6. The paper woven effect packaging paper as claimed in claim 1, wherein: the defoaming agent consists of polydimethylsiloxane, polyoxypropylene glycerol ether and polyoxypropylene polyoxyethylene glycerol ether according to the weight ratio of 2-4:1-3: 1.
7. The paper woven effect packaging paper as claimed in claim 1, wherein: the antioxidant consists of ascorbyl palmitate, tea polyphenol and 4-hexylresorcinol according to the weight ratio of 2-6:2-4: 1.
8. The paper woven effect packaging paper as claimed in claim 1, wherein: the preparation method of the environment-friendly adhesive comprises the following steps: (1) adding gelatin into water, and heating to 60-80 deg.C to obtain gelatin solution; (2) adding acrylic acid, butyl acrylate, 4-hydroxybutyl acrylate, isooctyl methacrylate and a filler into the gelatin solution, uniformly stirring, and then dropwise adding an initiator for 2-4h to obtain a polymer emulsion; (3) and cooling the polymer emulsion to 40-60 ℃, adding a thickening agent, a penetrating agent, a defoaming agent and an antioxidant, uniformly stirring, and cooling to 20-30 ℃ to obtain the environment-friendly adhesive.
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| CN201810209408.8A CN108532367B (en) | 2018-03-14 | 2018-03-14 | Paper packaging paper with woven effect |
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| CN106243803A (en) * | 2016-08-26 | 2016-12-21 | 桐乡嘉力丰实业股份有限公司 | A kind of slow curing, high osmosis mildew-resistant wallpaper basement membrane and preparation technology thereof |
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| CN107435279A (en) * | 2016-05-25 | 2017-12-05 | 徐小芹 | A kind of production method of paper slip woven wall paper |
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| ATE516951T1 (en) * | 2004-06-17 | 2011-08-15 | Newpage Wisconsin System Inc | MULTI-LAYER PACKAGING MATERIALS WITH HIGH BARRIER EFFECT |
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| CN2350341Y (en) * | 1998-10-08 | 1999-11-24 | 台基励企业有限公司 | Wrapping paper having double layer structure |
| CN107435279A (en) * | 2016-05-25 | 2017-12-05 | 徐小芹 | A kind of production method of paper slip woven wall paper |
| CN106243803A (en) * | 2016-08-26 | 2016-12-21 | 桐乡嘉力丰实业股份有限公司 | A kind of slow curing, high osmosis mildew-resistant wallpaper basement membrane and preparation technology thereof |
| CN107312119A (en) * | 2017-08-18 | 2017-11-03 | 佛山市永恒达新材料科技有限公司 | A kind of preparation method of Environment-friendlyadhesive adhesive |
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