阅读说明：本技术 一种环保香烟铝箔纸 (Environment-friendly cigarette aluminum foil paper ) 是由 胡宏旗 项磊 杜威 陶香君 范海亮 邢连成 于 2019-11-12 设计创作，主要内容包括：本发明公开了一种环保香烟铝箔纸,包括基纸层、铝箔层以及粘结层,所述基纸层两侧分别通过粘结层粘结内层铝箔层与外层铝箔层；所述内层铝箔层的镀铝基材为聚酰胺薄膜,通过真空镀铝后在铝层外层涂布一侧粘结性保护树脂；所述外侧铝箔层的镀铝基材为聚乙烯或聚丙烯薄膜,通过真空镀铝后将铝原子凝结在薄膜表面。本发明的环保香烟铝箔纸对光、气、水的高阻隔性和防腐性,内层铝箔层保香性能好,能防止卷烟味道散发,同时避免卷烟味道侵蚀其它物品；外侧铝箔层防霉性能好,能抵挡湿气,有效防潮,从而避免卷烟在潮湿环境下发生霉变。(The invention discloses environment-friendly cigarette aluminum foil paper which comprises a base paper layer, an aluminum foil layer and a bonding layer, wherein the inner aluminum foil layer and the outer aluminum foil layer are bonded on two sides of the base paper layer respectively through the bonding layer; the aluminized base material of the inner aluminum foil layer is a polyamide film, and after vacuum aluminizing, adhesive protective resin is coated on one side of the outer aluminum layer; the aluminized base material of the outer aluminum foil layer is a polyethylene or polypropylene film, and aluminum atoms are condensed on the surface of the film after vacuum aluminizing. The environment-friendly cigarette aluminum foil paper has high barrier property and corrosion resistance to light, gas and water, the inner layer aluminum foil layer has good aroma-keeping performance, the smell of cigarettes can be prevented from diffusing, and meanwhile, the smell of cigarettes is prevented from corroding other articles; the outer aluminum foil layer has good mildew resistance, can resist moisture and is effectively damp-proof, so that the cigarettes are prevented from mildewing in a humid environment.)

1. The utility model provides an environmental protection cigarette aluminum foil paper, includes base paper layer, aluminium foil layer and tie coat, its characterized in that: the inner aluminum foil layer and the outer aluminum foil layer are respectively bonded on two sides of the base paper layer through bonding layers; the aluminized base material of the inner aluminum foil layer is a polyamide film, and after vacuum aluminizing, adhesive protective resin is coated on one side of the outer aluminum layer; the aluminized base material of the outer aluminum foil layer is a polyethylene or polypropylene film, and aluminum atoms are condensed on the surface of the film after vacuum aluminizing.

2. The environment-friendly cigarette aluminum-foil paper as claimed in claim 1, wherein: the bonding layer comprises the following components in parts by weight: 5-8 parts of sodium bentonite, 10-20 parts of polyacrylic acid, 5-15 parts of sodium alginate, 6-10 parts of polyvinyl alcohol, 4-8 parts of carboxymethyl starch, 1-2 parts of a curing agent and the balance of deionized water.

3. The environment-friendly cigarette aluminum-foil paper as claimed in claim 2, wherein: the preparation method of the bonding layer comprises the following steps: adding sodium bentonite and carboxymethyl starch into deionized water, mixing uniformly, heating to 100-150 ℃, adding polyacrylic acid, sodium alginate and polyvinyl alcohol, cooling to 10-50 ℃, stirring uniformly, and adding a curing agent.

4. The environment-friendly cigarette aluminum-foil paper as claimed in claim 1, wherein: the adhesive protective resin comprises the following components in parts by weight: 5-8 parts of maleic anhydride grafted polyethylene, 6-15 parts of rosin glyceride, 20-30 parts of epoxy resin and 10-20 parts of polyethylene; 3-5 parts of glass fiber, 1-2 parts of carbon black, 2-3 parts of dispersant and 5-6 parts of antioxidant.

5. The environment-friendly cigarette aluminum-foil paper as claimed in claim 4, wherein: the preparation method of the adhesive protective resin comprises the following steps: according to the formula, maleic anhydride is grafted with polyethylene, rosin glyceride, epoxy resin and polyethylene; and uniformly mixing the glass fiber, the carbon black, the dispersing agent and the antioxidant, and then adding the mixture into a double-screw extruder for extrusion, wherein the temperature is 200-250 ℃, and the feeding rotating speed is 30-35 rpm.

6. The environment-friendly cigarette aluminum-foil paper as claimed in claim 1, wherein: in the vacuum aluminum plating step of the aluminum foil layer, the vacuum degree is more than or equal to 10-3Pa, the film curling speed is 300m/min, the diameter of the aluminum wire is less than or equal to 2mm, and the aluminum conveying speed is less than or equal to 0.4-0.7 m/min.

7. The environment-friendly cigarette aluminum-foil paper as claimed in claim 1, wherein: the water content of the polyamide film is less than 0.1 percent, and the water content of the polyethylene or polypropylene film is less than 0.5 percent; the polyamide film has a surface tension greater than 30dyn/cm and the polyethylene or polypropylene film has a surface tension greater than 50 dyn/cm.

Technical Field

The invention relates to an environment-friendly cigarette aluminum foil paper.

Background

The aluminum foil paper is formed by compounding aluminum foil and base paper, and is widely used for packaging aviation food, common meat, cigarettes and the like. The aluminum foil paper for the environment-friendly cigarette is required to have high barrier property to light, gas and water and have the functions of moisture prevention and prevention, so that the cigarette is not easy to reduce quality and lose aroma due to moisture.

The invention aims to prepare the environment-friendly cigarette aluminum foil paper with good aroma-keeping and mildew-proof properties.

Disclosure of Invention

The invention aims to solve the problems and provide the environment-friendly cigarette aluminum foil paper with good aroma retention and mildew resistance.

In order to achieve the purpose, the invention is realized by the following technical scheme: the environment-friendly cigarette aluminum foil paper comprises a base paper layer, an aluminum foil layer and an adhesive layer, wherein the inner aluminum foil layer and the outer aluminum foil layer are respectively adhered to two sides of the base paper layer through the adhesive layer; the aluminized base material of the inner aluminum foil layer is a polyamide film, and after vacuum aluminizing, adhesive protective resin is coated on one side of the outer aluminum layer; the aluminized base material of the outer aluminum foil layer is a polyethylene or polypropylene film, and aluminum atoms are condensed on the surface of the film after vacuum aluminizing.

Further, the bonding layer is composed of the following components in parts by weight: 5-8 parts of sodium bentonite, 10-20 parts of polyacrylic acid, 5-15 parts of sodium alginate, 6-10 parts of polyvinyl alcohol, 4-8 parts of carboxymethyl starch, 1-2 parts of a curing agent and the balance of deionized water.

Furthermore, the preparation method of the bonding layer comprises the following steps: adding sodium bentonite and carboxymethyl starch into deionized water, mixing uniformly, heating to 100-150 ℃, adding polyacrylic acid, sodium alginate and polyvinyl alcohol, cooling to 10-50 ℃, stirring uniformly, and adding a curing agent.

Further, the adhesive protective resin comprises the following components in parts by weight: 5-8 parts of maleic anhydride grafted polyethylene, 6-15 parts of rosin glyceride, 20-30 parts of epoxy resin and 10-20 parts of polyethylene; 3-5 parts of glass fiber, 1-2 parts of carbon black, 2-3 parts of dispersant and 5-6 parts of antioxidant.

Further, the preparation method of the adhesive protective resin comprises the following steps: according to the formula, maleic anhydride is grafted with polyethylene, rosin glyceride, epoxy resin and polyethylene; and uniformly mixing the glass fiber, the carbon black, the dispersing agent and the antioxidant, and then adding the mixture into a double-screw extruder for extrusion, wherein the temperature is 200-250 ℃, and the feeding rotating speed is 30-35 rpm.

Particularly, in the vacuum aluminum plating step of the aluminum foil layer, the vacuum degree is more than or equal to 10-3Pa, the film curling speed is 300m/min and the diameter of the aluminum wire is less than or equal to 2mm, and the aluminum conveying speed is less than or equal to 0.4-0.7 m/min.

In particular, the water content of the polyamide film is less than 0.1%, and the water content of the polyethylene or polypropylene film is less than 0.5%; the polyamide film has a surface tension greater than 30dyn/cm and the polyethylene or polypropylene film has a surface tension greater than 50 dyn/cm.

The invention has the beneficial effects that: the environment-friendly cigarette aluminum foil paper has high barrier property and corrosion resistance to light, gas and water, the inner layer aluminum foil layer has good aroma-keeping performance, the smell of cigarettes can be prevented from diffusing, and meanwhile, the smell of cigarettes is prevented from corroding other articles; the outer aluminum foil layer has good mildew resistance, can resist moisture and is effectively damp-proof, so that the cigarettes are prevented from mildewing in a humid environment.

Detailed Description