阅读说明：本技术 一种防水抗压包装箱的制备方法 (Preparation method of waterproof and compression-resistant packaging box ) 是由 马聚艳 于 2020-11-30 设计创作，主要内容包括：本发明公开了一种防水抗压包装箱的制备方法,该方法将将废旧PA塑料经过破碎机破碎,收集粉料；通过混料机混合得到预混料；将预混料加入造粒机中,挤成后风送冷却,经破碎机破碎成粒料；然后将各个原料倒入混料机中搅拌混合,加入造粒机中挤出造粒,得到粒料；在箱体模具和箱盖模具内分别铺放由纤维编织而成的纤维网,将粒料投入注塑机,分别注射到箱体模具和箱盖模具的模腔内,经冷却定型后打开模具,即可。本发明方法采用回收废旧塑料进行破碎后改性作为生产原料,不仅实现了废旧塑料的无害化和资源化利用,缓解塑料资源紧缺,环保、无污染、无公害、可循环利用,造福社会,同时制备的包装箱,防水、防潮,抗压,使用寿命长。(The invention discloses a preparation method of a waterproof compression-resistant packing box, which comprises the steps of crushing waste PA plastic by a crusher, and collecting powder; mixing by a mixer to obtain premix; adding the premix into a granulator, extruding, cooling by air, and crushing into granules by a crusher; then pouring the raw materials into a mixer, stirring and mixing, adding into a granulator, extruding and granulating to obtain granules; respectively laying fiber nets woven by fibers in the box body mold and the box cover mold, putting the granules into an injection molding machine, respectively injecting the granules into mold cavities of the box body mold and the box cover mold, cooling and shaping, and opening the molds. The method of the invention adopts the waste plastic which is recycled to be modified after being crushed as the production raw material, thereby not only realizing the harmless and resource utilization of the waste plastic and relieving the shortage of plastic resources, but also being environment-friendly, pollution-free, nuisanceless, recyclable and beneficial to the society, and meanwhile, the prepared packing box is waterproof, damp-proof, compression-resistant and long in service life.)

1. The preparation method of the waterproof and pressure-resistant packing box is characterized by comprising the following steps:

step 1, crushing waste PA plastic by a crusher, and screening and collecting powder with the particle size of 120-150 meshes by a separator;

preparing materials according to the mass portion ratio, namely pouring 150 portions of powder material, 80-90 portions of polyethylene, 10-15 portions of butylated resin, 10-20 portions of sepiolite fiber, 7-10 portions of toluene diisocyanate, 4-8 portions of triallyl isocyanate, 6-8 portions of nano boron fiber, 1-2 portions of copper sulfate, 3-5 portions of melamine cyanurate, 2-4 portions of dimethyl trimethylsilyl methylphosphonate, 13-16 portions of nano silicon dioxide, 3-7 portions of sorbitol, 2-7 portions of sodium dodecyl benzene sulfonate, 5-9 portions of triphenyl phosphite and 30-40 portions of glycerol into a mixer, and mixing to obtain a premix;

step 3, adding the premix into a granulator, extruding, cooling by air, and crushing into granules by a crusher;

step 4, according to the mass portion ratio, 100-120 portions of granules, 30-40 portions of novolac epoxy resin, 50-60 portions of polyurethane, 10-20 portions of low molecular polyamide, 10-20 portions of brominated butyl rubber, 4-8 portions of tert-butyl peroxyneoheptanoate, 2-5 portions of zinc stearate, 2-8 portions of lithium perchlorate, 5-8 portions of trichloroethyl phosphate, 3-7 portions of 1, 6-hexanediamine, 5-8 portions of trimethylolpropane triacrylate, 8-20 portions of cellulose diacetate, 5-8 portions of aluminum hydroxide, 1-3 portions of fatty acid diamide, 4-8 portions of molybdenum dithiocarbamate, 1-4 portions of butyl titanate, 5-12 portions of nano molybdenum disulfide, 12-18 portions of ammonium bicarbonate and 2-5 portions of allyl acetoacetate, pouring the mixture into a mixer, stirring and mixing, adding the mixture into a granulator, and extruding and granulating to obtain granules;

and 5, respectively paving fiber nets woven by fibers in the box body mold and the box cover mold, putting the granules into an injection molding machine, respectively injecting the granules into mold cavities of the box body mold and the box cover mold, cooling and shaping, and opening the molds to obtain the box body and the box cover of the waterproof compression-resistant packing box.

2. The method for preparing the waterproof and pressure-resistant packing box according to claim 1, wherein the method comprises the following steps: in the step 1, the waste PA plastic is pretreated by cleaning and drying before being crushed.

3. The method for preparing the waterproof and pressure-resistant packing box according to claim 1, wherein the method comprises the following steps: in the step 5, the mold temperature of the injection molding process is 125-135 ℃, the material temperature is 255-265 ℃, the pressure maintaining time is 20-30 s, and the pressure maintaining pressure is 140-150 MPa.

4. The method for preparing the waterproof and pressure-resistant packing box according to claim 1, wherein the method comprises the following steps: the stirring temperature in the mixer is 30-40 ℃, and the stirring speed is 120-.

5. The method for preparing the waterproof and pressure-resistant packing box according to claim 1, wherein the method comprises the following steps: the fiber is one or more of glass fiber, carbon fiber, aramid fiber, basalt fiber, bamboo fiber or hemp fiber.

Technical Field

The invention belongs to the field of rubber and plastic products, and relates to a preparation method of a waterproof and compression-resistant packing box.

Technical Field

We will use a lot of packing boxes in daily life, but different packing boxes have different effects, and in order to the different demands that satisfy the customer that can be better, waterproof packing box has specific function, can let the product play safer effect in the transportation, prevents to pack the product and absorbs moisture, guarantees the stable performance of product. Meanwhile, plastic products are ubiquitous in the fields of daily life and agricultural production, and when the service life or the use purpose of the products is achieved, the products can be discarded to become waste plastics. Waste plastics are a great nuisance to environmental pollution, but if waste is changed into valuables, the problem of environmental pollution can be changed, and the healthy development of the plastic industry is promoted, then, the recycling of the waste plastics is accelerated, which is a method which is a perfect method. At present, the recycling of waste plastics gets rid of the simple concept of hardship and frugal conservation, and the recycling of waste plastics is tightly connected with the strategy of resource recycling, environmental protection and economic sustainable development in China. By combining the formula design and the process of the packing box, the invention not only realizes the recycling of the waste plastics, but also improves the waterproof performance and the mechanical property of the packing box and prolongs the service life of the packing box.

Disclosure of Invention

The invention aims to provide a preparation method of a waterproof and compression-resistant packing box aiming at the defects of the prior art.

The purpose of the invention is realized by the following technical scheme: a preparation method of a waterproof and pressure-resistant packing box comprises the following steps:

step 1, crushing waste PA plastic by a crusher, and screening and collecting powder with the particle size of 120-150 meshes by a separator;

preparing materials according to the mass portion ratio, namely pouring 150 portions of powder material, 80-90 portions of polyethylene, 10-15 portions of butylated resin, 10-20 portions of sepiolite fiber, 7-10 portions of toluene diisocyanate, 4-8 portions of triallyl isocyanate, 6-8 portions of nano boron fiber, 1-2 portions of copper sulfate, 3-5 portions of melamine cyanurate, 2-4 portions of dimethyl trimethylsilyl methylphosphonate, 13-16 portions of nano silicon dioxide, 3-7 portions of sorbitol, 2-7 portions of sodium dodecyl benzene sulfonate, 5-9 portions of triphenyl phosphite and 30-40 portions of glycerol into a mixer, and mixing to obtain a premix;

step 3, adding the premix into a granulator, extruding, cooling by air, and crushing into granules by a crusher;

step 4, according to the mass portion ratio, 100-120 portions of granules, 30-40 portions of novolac epoxy resin, 50-60 portions of polyurethane, 10-20 portions of low molecular polyamide, 10-20 portions of brominated butyl rubber, 4-8 portions of tert-butyl peroxyneoheptanoate, 2-5 portions of zinc stearate, 2-8 portions of lithium perchlorate, 5-8 portions of trichloroethyl phosphate, 3-7 portions of 1, 6-hexanediamine, 5-8 portions of trimethylolpropane triacrylate, 8-20 portions of cellulose diacetate, 5-8 portions of aluminum hydroxide, 1-3 portions of fatty acid diamide, 4-8 portions of molybdenum dithiocarbamate, 1-4 portions of butyl titanate, 5-12 portions of nano molybdenum disulfide, 12-18 portions of ammonium bicarbonate and 2-5 portions of allyl acetoacetate, pouring the mixture into a mixer, stirring and mixing, adding the mixture into a granulator, and extruding and granulating to obtain granules;

and 5, respectively paving fiber nets woven by fibers in the box body mold and the box cover mold, putting the granules into an injection molding machine, respectively injecting the granules into mold cavities of the box body mold and the box cover mold, cooling and shaping, and opening the molds to obtain the box body and the box cover of the waterproof compression-resistant packing box.

In the step 1, the waste PA plastic is pretreated by cleaning and drying before being crushed.

In the step 5, the mold temperature of the injection molding process is 125-135 ℃, the material temperature is 255-265 ℃, the pressure maintaining time is 20-30 s, and the pressure maintaining pressure is 140-150 MPa.

The stirring temperature in the mixer is 30-40 ℃, and the stirring speed is 120-.

The fiber is one or more of glass fiber, carbon fiber, aramid fiber, basalt fiber, bamboo fiber or hemp fiber.

The invention has the following beneficial effects: the method of the invention adopts the recovered waste plastic to be modified after being crushed as the production raw material, thereby not only realizing the harmless and resource utilization of the waste plastic and relieving the shortage of plastic resources, but also being environment-friendly, pollution-free, recyclable and beneficial to the society. Meanwhile, the prepared packing box is waterproof, moistureproof, compression-resistant and long in service life.

Detailed Description

Example 1

A preparation method of a waterproof and pressure-resistant packing box comprises the following steps:

step 1, crushing waste PA plastic by a crusher, and screening and collecting powder with the particle size of 120-150 meshes by a separator;

preparing materials according to the mass part ratio, pouring 120 parts of powder, 80 parts of polyethylene, 10 parts of butylated resin, 10 parts of sepiolite fiber, 7 parts of toluene diisocyanate, 4 parts of triallyl isocyanate, 6 parts of nano boron fiber, 1 part of copper sulfate, 3 parts of melamine cyanurate, 2 parts of dimethyl trimethylsilyl methyl phosphonate, 13 parts of nano silicon dioxide, 3 parts of sorbitol, 2 parts of sodium dodecyl benzene sulfonate, 5 parts of triphenyl phosphite and 30 parts of glycerol into a mixer, and mixing to obtain a premix;

step 3, adding the premix into a granulator, extruding, cooling by air, and crushing into granules by a crusher;

step 4, pouring 100 parts of granules, 30 parts of novolac epoxy resin, 50 parts of polyurethane, 10 parts of low molecular polyamide, 10 parts of brominated butyl rubber, 4 parts of tert-butyl peroxyneo-heptanoate, 2 parts of zinc stearate, 2 parts of lithium perchlorate, 5 parts of trichloroethyl phosphate, 3 parts of 1, 6-hexamethylene diamine, 5 parts of trimethylolpropane triacrylate, 8 parts of cellulose diacetate, 5 parts of aluminum hydroxide, 1 part of fatty acid diamide, 4 parts of molybdenum dithiocarbamate, 1 part of butyl titanate, 5 parts of nano molybdenum disulfide, 12 parts of ammonium bicarbonate and 2 parts of allyl acetoacetate into a mixer for stirring and mixing, adding into a granulator for extrusion granulation to obtain granules;

and 5, respectively paving fiber nets woven by fibers in the box body mold and the box cover mold, putting the granules into an injection molding machine, respectively injecting the granules into mold cavities of the box body mold and the box cover mold, cooling and shaping, and opening the molds to obtain the box body and the box cover of the waterproof compression-resistant packing box.

In the step 1, the waste PA plastic is pretreated by cleaning and drying before being crushed. In the step 5, the mold temperature of the injection molding process is 125-135 ℃, the material temperature is 255-265 ℃, the pressure maintaining time is 20-30 s, and the pressure maintaining pressure is 140-150 MPa. The stirring temperature in the mixer is 30-40 ℃, and the stirring speed is 120-. The fiber is one or more of glass fiber, carbon fiber, aramid fiber, basalt fiber, bamboo fiber or hemp fiber.

Example 2

A preparation method of a waterproof and pressure-resistant packing box comprises the following steps:

step 1, crushing waste PA plastic by a crusher, and screening and collecting powder with the particle size of 120-150 meshes by a separator;

preparing materials according to the mass part ratio, pouring 130 parts of powder, 85 parts of polyethylene, 13 parts of butylated resin, 15 parts of sepiolite fiber, 8 parts of toluene diisocyanate, 6 parts of triallyl isocyanate, 7 parts of nano boron fiber, 1.5 parts of copper sulfate, 4 parts of melamine cyanurate, 3 parts of dimethyl trimethylsilyl methyl phosphonate, 14 parts of nano silicon dioxide, 5 parts of sorbitol, 5 parts of sodium dodecyl benzene sulfonate, 7 parts of triphenyl phosphite and 35 parts of glycerol into a mixer, and mixing to obtain a premix;

step 3, adding the premix into a granulator, extruding, cooling by air, and crushing into granules by a crusher;

step 4, pouring 110 parts of granules, 35 parts of novolac epoxy resin, 55 parts of polyurethane, 15 parts of low molecular polyamide, 15 parts of brominated butyl rubber, 6 parts of tert-butyl peroxyneo-heptanoate, 4 parts of zinc stearate, 5 parts of lithium perchlorate, 7 parts of trichloroethyl phosphate, 5 parts of 1, 6-hexamethylene diamine, 6 parts of trimethylolpropane triacrylate, 14 parts of cellulose diacetate, 6 parts of aluminum hydroxide, 2 parts of fatty acid diamide, 6 parts of molybdenum dithiocarbamate, 2.5 parts of butyl titanate, 8 parts of nano molybdenum disulfide, 15 parts of ammonium bicarbonate and 3 parts of allyl acetoacetate into a mixer for stirring and mixing, adding into a granulator for extruding and granulating to obtain granules;

and 5, respectively paving fiber nets woven by fibers in the box body mold and the box cover mold, putting the granules into an injection molding machine, respectively injecting the granules into mold cavities of the box body mold and the box cover mold, cooling and shaping, and opening the molds to obtain the box body and the box cover of the waterproof compression-resistant packing box.

In the step 1, the waste PA plastic is pretreated by cleaning and drying before being crushed. In the step 5, the mold temperature of the injection molding process is 125-135 ℃, the material temperature is 255-265 ℃, the pressure maintaining time is 20-30 s, and the pressure maintaining pressure is 140-150 MPa. The stirring temperature in the mixer is 30-40 ℃, and the stirring speed is 120-. The fiber is one or more of glass fiber, carbon fiber, aramid fiber, basalt fiber, bamboo fiber or hemp fiber.

Example 3

A preparation method of a waterproof and pressure-resistant packing box comprises the following steps:

step 1, crushing waste PA plastic by a crusher, and screening and collecting powder with the particle size of 120-150 meshes by a separator;

preparing materials according to the mass part ratio, pouring 150 parts of powder, 90 parts of polyethylene, 15 parts of butylated resin, 20 parts of sepiolite fiber, 10 parts of toluene diisocyanate, 8 parts of triallyl isocyanate, 8 parts of nano boron fiber, 2 parts of copper sulfate, 5 parts of melamine cyanurate, 4 parts of dimethyl trimethylsilyl methyl phosphonate, 16 parts of nano silicon dioxide, 7 parts of sorbitol, 7 parts of sodium dodecyl benzene sulfonate, 9 parts of triphenyl phosphite and 40 parts of glycerol into a mixer, and mixing to obtain a premix;

step 3, adding the premix into a granulator, extruding, cooling by air, and crushing into granules by a crusher;

step 4, pouring 120 parts of granules, 40 parts of novolac epoxy resin, 60 parts of polyurethane, 20 parts of low molecular polyamide, 20 parts of brominated butyl rubber, 8 parts of tert-butyl peroxyneo-heptanoate, 5 parts of zinc stearate, 8 parts of lithium perchlorate, 8 parts of trichloroethyl phosphate, 7 parts of 1, 6-hexamethylene diamine, 8 parts of trimethylolpropane triacrylate, 20 parts of cellulose diacetate, 8 parts of aluminum hydroxide, 3 parts of fatty acid diamide, 8 parts of molybdenum dithiocarbamate, 4 parts of butyl titanate, 12 parts of nano molybdenum disulfide, 18 parts of ammonium bicarbonate and 5 parts of allyl acetoacetate into a mixer for stirring and mixing, adding into a granulator for extrusion granulation to obtain granules;

and 5, respectively paving fiber nets woven by fibers in the box body mold and the box cover mold, putting the granules into an injection molding machine, respectively injecting the granules into mold cavities of the box body mold and the box cover mold, cooling and shaping, and opening the molds to obtain the box body and the box cover of the waterproof compression-resistant packing box.

In the step 1, the waste PA plastic is pretreated by cleaning and drying before being crushed. In the step 5, the mold temperature of the injection molding process is 125-135 ℃, the material temperature is 255-265 ℃, the pressure maintaining time is 20-30 s, and the pressure maintaining pressure is 140-150 MPa. The stirring temperature in the mixer is 30-40 ℃, and the stirring speed is 120-. The fiber is one or more of glass fiber, carbon fiber, aramid fiber, basalt fiber, bamboo fiber or hemp fiber.