CN112480597A - Preparation method of mildew-proof antibacterial rubber and plastic product - Google Patents

Preparation method of mildew-proof antibacterial rubber and plastic product Download PDF

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CN112480597A
CN112480597A CN202011365810.9A CN202011365810A CN112480597A CN 112480597 A CN112480597 A CN 112480597A CN 202011365810 A CN202011365810 A CN 202011365810A CN 112480597 A CN112480597 A CN 112480597A
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parts
plastic product
powder
weight
rubber
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马聚龙
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WUXI DONGBEI TANGYONGFENG RUBBER & PLASTIC FACTORY
Wuxi Dongbeitang Yongfeng Rubber Plastic Factory
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WUXI DONGBEI TANGYONGFENG RUBBER & PLASTIC FACTORY
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Abstract

The invention discloses a preparation method of a mildew-proof antibacterial rubber-plastic product, which comprises the steps of adding raw materials into a mixer in proportion, and uniformly stirring to obtain a mixture; adding the mixture into a reaction kettle, mixing at the temperature of 100-120 ℃ for 30-60min, then extruding and granulating by using a double-screw extruder to obtain modified granules, and grinding the modified granules into powder; then mixing the phenolic resin, the powder, the foaming agent, the emulsifier and the p-toluenesulfonic acid, and putting into a stirrer for stirring; then heating, foaming, curing, molding and curing to obtain the mildew-proof antibacterial rubber plastic product. The method of the invention adopts the recovered waste PVC 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 rubber and plastic product is waterproof, moistureproof, mildewproof and antibacterial, has long service life, simple preparation process and safe and environment-friendly production process, and is suitable for large-scale industrial production.

Description

Preparation method of mildew-proof antibacterial rubber and plastic product
Technical Field
The invention relates to a preparation method of a mildew-proof antibacterial rubber and plastic product.
Background
The rubber industry is an important component of chemical industry in China, the basic raw materials of the rubber industry are natural rubber and synthetic rubber, and various chemical processing aids are required to be added in order to manufacture rubber products meeting the requirements of actual use performance and improve the processing technological performance. At present, the general production of rubber and plastic products uses nitrile rubber and polyvinyl chloride resin as main materials, other auxiliary materials are added for high-temperature blending, then a vulcanizing agent and a foaming agent are added for vulcanization foaming, and finally the preparation of the rubber and plastic products is realized. The rubber plastic material has the excellent performances of softness, winding resistance, cold resistance, heat resistance, flame retardance, water resistance, low heat conductivity coefficient, shock absorption, sound absorption and the like, and can be widely applied to the industries of central air conditioners, buildings, chemical engineering, vehicles, electric appliances and the like. Polyvinyl chloride, abbreviated as PVC in English, is an initiator of vinyl chloride monomer in peroxide, azo compounds and the like; or a polymer polymerized by a free radical polymerization mechanism under the action of light and heat. PVC has been the most widely used plastic in the world and is used in a very wide range of applications. The product can be widely applied to the aspects of building materials, industrial products, daily necessities, packaging films, bottles, foaming materials, sealing materials, fibers and the like. Due to the wide application of PVC materials, waste materials are very low, the PVC materials are difficult to degrade naturally, and the PVC materials are rarely effectively utilized in the prior art. The waste PVC plastic is a great public nuisance of environmental pollution, but if the waste is changed into valuables, the environment pollution problem can be changed, and the healthy development of the plastic industry is promoted, so the invention provides the preparation method of the mildew-proof antibacterial rubber plastic product by combining the formula design and the process of the packing box, not only recycles the waste plastic, but also improves the mildew-proof antibacterial property and the mechanical property of the packing box, and the packing box can play the effects of mildew prevention and bacteria resistance for a long time.
Disclosure of Invention
The invention aims to provide a preparation method of a mildew-proof antibacterial rubber and plastic product.
In order to realize the aim, the invention provides a preparation method of a mildew-proof antibacterial rubber and plastic product, which comprises the following steps:
step 1, cleaning PVC waste to remove impurities on the surface, then airing and air-drying the PVC waste, then sending the PVC waste into a crusher for crushing, then screening and collecting powder with the particle size of 120-plus-150 meshes by a sorting machine, then putting the powder into a centrifugal machine for separating water, and drying the powder by hot air to reduce the water content to below 1% to obtain PVC waste powder;
step 2, weighing the following raw materials in parts by weight: 200-260 parts of PVC waste powder, 40-55 parts of chloroprene rubber, 80-90 parts of PS, 10-14 parts of chlorosulfonated polyethylene, 12-15 parts of acrylate, 3-5 parts of nano titanium dioxide, 2-5 parts of tert-butyl peroxyneo-heptanoate, 5-8 parts of butyl acrylate, 10-15 parts of ethyl acetate, 5-15 parts of propyl gallate, 2-4 parts of alkylphenol polyoxyethylene, 5-12 parts of octyl tin mercaptide, 3-7 parts of nano metal silver, 10-20 parts of 3,4, 5-tribromosalicylanilide, 5-8 parts of acetyl citrate, 1-4 parts of an aluminate-acetate coupling agent, 4-8 parts of aluminum oxide, 1-4 parts of butyl titanate, 2-5 parts of tert-butyl peroxyneo-heptanoate and 2-8 parts of lithium perchlorate; adding the materials into a mixer in proportion, and uniformly stirring to obtain a mixture; adding the mixture into a reaction kettle, mixing for 30-60min at the temperature of 100-;
step 3, mixing 100 parts by weight of phenolic resin, 80-100 parts by weight of powder, 4-15 parts by weight of foaming agent, 4-10 parts by weight of emulsifier and 4-10 parts by weight of p-toluenesulfonic acid, and putting into a stirrer to stir for 20-30 min; then heating, foaming, curing, molding and curing to obtain the mildew-proof antibacterial rubber plastic product.
Adding the materials into a mixer in proportion, and uniformly stirring to obtain a mixture; adding the mixture into a reaction kettle, mixing for 45min at 110 ℃, and then extruding and granulating by using a double-screw extruder.
The temperature of the curing treatment in the step 3 is 30-80 ℃, the humidity is 40-90%, and the time is 24-72 hours.
The extrusion temperature of the double-screw extruder is 180-190 ℃.
The stirring temperature in the stirrer is 30-40 ℃, the stirring speed is 120-150 rpm, and the stirring time is 20-30 minutes.
Has the advantages that: the method of the invention adopts the recovered waste PVC 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 rubber and plastic product is waterproof, moistureproof, mildewproof and antibacterial, has long service life, simple preparation process and safe and environment-friendly production process, and is suitable for large-scale industrial production.
Detailed Description
Example 1
A preparation method of a mildew-proof antibacterial rubber and plastic product comprises the following steps:
step 1, cleaning PVC waste to remove impurities on the surface, then airing and air-drying the PVC waste, then sending the PVC waste into a crusher for crushing, then screening and collecting powder with the particle size of 120-plus-150 meshes by a sorting machine, then putting the powder into a centrifugal machine for separating water, and drying the powder by hot air to reduce the water content to below 1% to obtain PVC waste powder;
step 2, weighing the following raw materials in parts by weight: 200 parts of PVC waste powder, 40 parts of chloroprene rubber, 80 parts of PS, 10 parts of chlorosulfonated polyethylene, 12 parts of acrylate, 3 parts of nano titanium dioxide, 2 parts of tert-butyl peroxyneoheptanoate, 5 parts of butyl acrylate, 10 parts of ethyl acetate, 5 parts of propyl gallate, 2 parts of alkylphenol polyoxyethylene ether, 5 parts of octyl tin mercaptide, 3 parts of nano metal silver, 10 parts of 3,4, 5-tribromosalicylanilide, 5 parts of acetylcitrate, 1 part of aluminate-acetate coupling agent, 4 parts of aluminum oxide, 1 part of butyl titanate, 2 parts of tert-butyl peroxyneoheptanoate and 2 parts of lithium perchlorate; proportionally adding the mixture into a mixer, stirring at the temperature of 30-40 ℃, at the stirring speed of 120-150 rpm for 20-30 minutes, and uniformly stirring to obtain a mixture; adding the mixture into a reaction kettle, mixing for 30-60min at the temperature of 100-;
step 3, mixing 100 parts by weight of phenolic resin, 80 parts by weight of powder, 4 parts by weight of foaming agent, 4 parts by weight of emulsifier and 4 parts by weight of p-toluenesulfonic acid, and putting into a stirrer to stir for 20-30 min; and then heating, foaming, curing, molding and curing to obtain the mildew-proof antibacterial rubber and plastic product, wherein the curing temperature is 30-80 ℃, the humidity is 40-90%, and the curing time is 24-72 hours.
Example 2
A preparation method of a mildew-proof antibacterial rubber and plastic product comprises the following steps:
step 1, cleaning PVC waste to remove impurities on the surface, then airing and air-drying the PVC waste, then sending the PVC waste into a crusher for crushing, then screening and collecting powder with the particle size of 120-plus-150 meshes by a sorting machine, then putting the powder into a centrifugal machine for separating water, and drying the powder by hot air to reduce the water content to below 1% to obtain PVC waste powder;
step 2, weighing the following raw materials in parts by weight: 230 parts of PVC waste powder, 50 parts of chloroprene rubber, 85 parts of PS, 12 parts of chlorosulfonated polyethylene, 13 parts of acrylate, 4 parts of nano titanium dioxide, 4 parts of tert-butyl peroxypivalate, 7 parts of butyl acrylate, 13 parts of ethyl acetate, 10 parts of propyl gallate, 3 parts of alkylphenol polyoxyethylene ether, 8 parts of octyl tin mercaptide, 5 parts of nano metal silver, 15 parts of 3,4, 5-tribromosalicylanilide, 7 parts of acetylcitrate, 3 parts of aluminate-acetate coupling agent, 6 parts of aluminum oxide, 3 parts of butyl titanate, 3 parts of tert-butyl peroxypivalate and 5 parts of lithium perchlorate; proportionally adding the mixture into a mixer, stirring at the temperature of 30-40 ℃, at the stirring speed of 120-150 rpm for 20-30 minutes, and uniformly stirring to obtain a mixture; adding the mixture into a reaction kettle, mixing for 30-60min at the temperature of 100-;
step 3, mixing 100 parts by weight of phenolic resin, 90 parts by weight of powder, 7 parts by weight of foaming agent, 7 parts by weight of emulsifier and 7 parts by weight of p-toluenesulfonic acid, and putting into a stirrer to stir for 20-30 min; and then heating, foaming, curing, molding and curing to obtain the mildew-proof antibacterial rubber and plastic product, wherein the curing temperature is 30-80 ℃, the humidity is 40-90%, and the curing time is 24-72 hours.
Example 3
A preparation method of a mildew-proof antibacterial rubber and plastic product comprises the following steps:
step 1, cleaning PVC waste to remove impurities on the surface, then airing and air-drying the PVC waste, then sending the PVC waste into a crusher for crushing, then screening and collecting powder with the particle size of 120-plus-150 meshes by a sorting machine, then putting the powder into a centrifugal machine for separating water, and drying the powder by hot air to reduce the water content to below 1% to obtain PVC waste powder;
step 2, weighing the following raw materials in parts by weight: 260 parts of PVC waste powder, 55 parts of chloroprene rubber, 90 parts of PS (polystyrene), 14 parts of chlorosulfonated polyethylene, 15 parts of acrylate, 5 parts of nano titanium dioxide, 2-5 parts of tert-butyl peroxypivalate, 8 parts of butyl acrylate, 15 parts of ethyl acetate, 15 parts of propyl gallate, 4 parts of alkylphenol polyoxyethylene, 12 parts of octyl tin mercaptide, 7 parts of nano metal silver, 20 parts of 3,4, 5-tribromosalicylanilide, 8 parts of acetylcitrate, 4 parts of an aluminate-acetate coupling agent, 8 parts of aluminum oxide, 4 parts of butyl titanate, 5 parts of tert-butyl peroxypivalate and 8 parts of lithium perchlorate; proportionally adding the mixture into a mixer, stirring at the temperature of 30-40 ℃, at the stirring speed of 120-150 rpm for 20-30 minutes, and uniformly stirring to obtain a mixture; adding the mixture into a reaction kettle, mixing for 30-60min at the temperature of 100-;
step 3, mixing 100 parts by weight of phenolic resin, 100 parts by weight of powder, 15 parts by weight of foaming agent, 10 parts by weight of emulsifier and 10 parts by weight of p-toluenesulfonic acid, and putting into a stirrer to stir for 20-30 min; and then heating, foaming, curing, molding and curing to obtain the mildew-proof antibacterial rubber and plastic product, wherein the curing temperature is 30-80 ℃, the humidity is 40-90%, and the curing time is 24-72 hours.

Claims (5)

1. A preparation method of a mildew-proof antibacterial rubber and plastic product is characterized by comprising the following steps:
step 1, cleaning PVC waste to remove impurities on the surface, then airing and air-drying the PVC waste, then sending the PVC waste into a crusher for crushing, then screening and collecting powder with the particle size of 120-plus-150 meshes by a sorting machine, then putting the powder into a centrifugal machine for separating water, and drying the powder by hot air to reduce the water content to below 1% to obtain PVC waste powder;
step 2, weighing the following raw materials in parts by weight: 200-260 parts of PVC waste powder, 40-55 parts of chloroprene rubber, 80-90 parts of PS, 10-14 parts of chlorosulfonated polyethylene, 12-15 parts of acrylate, 3-5 parts of nano titanium dioxide, 2-5 parts of tert-butyl peroxyneo-heptanoate, 5-8 parts of butyl acrylate, 10-15 parts of ethyl acetate, 5-15 parts of propyl gallate, 2-4 parts of alkylphenol polyoxyethylene, 5-12 parts of octyl tin mercaptide, 3-7 parts of nano metal silver, 10-20 parts of 3,4, 5-tribromosalicylanilide, 5-8 parts of acetyl citrate, 1-4 parts of an aluminate-acetate coupling agent, 4-8 parts of aluminum oxide, 1-4 parts of butyl titanate, 2-5 parts of tert-butyl peroxyneo-heptanoate and 2-8 parts of lithium perchlorate; adding the materials into a mixer in proportion, and uniformly stirring to obtain a mixture; adding the mixture into a reaction kettle, mixing for 30-60min at the temperature of 100-;
step 3, mixing 100 parts by weight of phenolic resin, 80-100 parts by weight of powder, 4-15 parts by weight of foaming agent, 4-10 parts by weight of emulsifier and 4-10 parts by weight of p-toluenesulfonic acid, and putting into a stirrer to stir for 20-30 min; then heating, foaming, curing, molding and curing to obtain the mildew-proof antibacterial rubber plastic product.
2. The method for preparing the mildewproof and antibacterial rubber and plastic product according to claim 1, which is characterized by comprising the following steps of: adding the materials into a mixer in proportion, and uniformly stirring to obtain a mixture; adding the mixture into a reaction kettle, mixing for 45min at 110 ℃, and then extruding and granulating by using a double-screw extruder.
3. The method for preparing the mildewproof and antibacterial rubber and plastic product according to claim 1, which is characterized by comprising the following steps of: the temperature of the curing treatment in the step 3 is 30-80 ℃, the humidity is 40-90%, and the time is 24-72 hours.
4. The method for preparing the mildewproof and antibacterial rubber and plastic product according to claim 1, which is characterized by comprising the following steps of: the extrusion temperature of the double-screw extruder is 180-190 ℃.
5. The method for preparing the mildewproof and antibacterial rubber and plastic product according to claim 1, which is characterized by comprising the following steps of: the stirring temperature in the stirrer is 30-40 ℃, the stirring speed is 120-150 rpm, and the stirring time is 20-30 minutes.
CN202011365810.9A 2020-11-29 2020-11-29 Preparation method of mildew-proof antibacterial rubber and plastic product Pending CN112480597A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107418139A (en) * 2017-08-31 2017-12-01 苏州仲勉装饰有限公司 A kind of preparation method of flame-retardant thermal insulation material
CN107573637A (en) * 2017-08-31 2018-01-12 苏州仲勉装饰有限公司 A kind of preparation method of phenolic aldehyde foam thermal insulation material
CN110551348A (en) * 2019-10-10 2019-12-10 成都天英环保科技有限公司 PVC foam material preparation method based on PVC waste recycling

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107418139A (en) * 2017-08-31 2017-12-01 苏州仲勉装饰有限公司 A kind of preparation method of flame-retardant thermal insulation material
CN107573637A (en) * 2017-08-31 2018-01-12 苏州仲勉装饰有限公司 A kind of preparation method of phenolic aldehyde foam thermal insulation material
CN110551348A (en) * 2019-10-10 2019-12-10 成都天英环保科技有限公司 PVC foam material preparation method based on PVC waste recycling

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