TW201607975A - Method of producing eco-friendly electronic boards using recycled plastic waste - Google Patents

Abstract

A method of producing eco-friendly electronic boards using recycled plastic waste comprises: pulverizing and processing plastic PET bottles, products or materials of recycled polyethylene, waste polypropylene, polyethylene terephthalate or mixture materials thereof; pulverizing and processing recycled waste grain husks; with the pulverized recycled waste grain husks being mixed according to a specific weight ratio, heating, melting, kneading and compounding the pulverized and processed recycled plastic PET bottles, manufactures or materials of recycled polyethylene (PE), waste polypropylene (PP), polyethylene terephthalate (PET) or mixture materials thereof; performing rough and fine pulverizing on the semi-finished products after kneading and melting to form plastic husk pellets; and finally using an injection molding machine, a pressing or extrusion molding machine to melt the plastic husk pellets and inject them into a mold, or press or extrude them to form the electronic boards.

Description

Method for making environmentally friendly electronic sheets by recycling plastic waste

The invention relates to a method for recycling waste, in particular to a method for producing electronic sheets by using waste to process water, high strength, acid and alkali resistant and lightweight materials using recycled waste.

In the use of electronic boards, the common ones are nothing more than printed circuit boards (PCBs) or CNC applications, such as electric boards and phenolic pads (urea boards), etc., but the strength of these electronic boards Although it is high, it is structurally heavy, and its acid and alkali resistance and water repellency are slightly insufficient. In addition, the characteristics of the material itself make it impossible to recycle and remanufacture, so it is not environmentally friendly.

In order to solve the above problem of electronic boards, the applicant used the “Recycling Wastes” applied for by the World Intellectual Property Organization (WIPO) on November 28, 2014 under the PCT (Patent Cooperation Treaty). The production of electronic boards is carried out by the prior art of the production of environmentally friendly materials (PCT/CN2014/092495), but is limited by the required strength, weight, acid and alkali resistance and water repellency of electronic boards. The boards, slats, fittings or plates of general construction, furniture or stationery are different, so that electronic boards made by this prior art do not meet the requirements.

It can be seen that there are still many shortcomings in the above-mentioned methods of use, which is not a good design, but needs to be improved.

In view of the shortcomings derived from the above-mentioned conventional methods, the inventor of the present invention has improved and innovated, and after years of painstaking research, he finally succeeded in researching and developing the method for making electronic sheets using recycled waste.

In order to solve the above problems of the prior art, it is an object of the present invention to provide a method for producing an electronic sheet using recycled waste by manufacturing a recyclable electronic board.

In order to solve the above problems of the prior art, another object of the present invention is to provide a method for producing an electronic sheet using recycled waste with high strength and light weight, and having high acid and alkali resistance and high water resistance.

In order to achieve the above object, the present invention utilizes recycled waste to produce electronic sheets, mainly for recycling waste polyethylene (PE), polypropylene (PP), polyethylene terephthalate (PET) or The plastic bottle, product or material of the mixture material is pulverized to form granules of 1~10mm, and then mixed with the waste pulverized waste rice husk, and then heated, melted and kneaded at a temperature of 180~250 °C. After cooling and consolidation, the pellets are pulverized to form plastic shell pellets, and then the shell pellets are used as materials, and are injection molded at a temperature of 180 to 250 ° C by an injection molding machine, or by using an extrusion molding machine or The extrusion molding machine presses or extrudes at a temperature of 180 to 250 ° C to perform an electronic sheet forming operation.

Wherein, the recycled and crushed waste rice husk has a particle size of between 10 and 325 mesh.

The plastic bottle, product or material of recycled polyethylene (PE), polypropylene (PP), polyethylene terephthalate (PET) or a mixture thereof: recycled crushed waste rice husk The mixing weight percentage is 35%~65%: 65%~35%, and the weight percentage is 35%~65%: 65%~35% of the upper limit is 100% of any real ratio.

The above-mentioned recycled waste polyethylene (PE), polypropylene (PP), polyethylene terephthalate A plastic bottle, product or material of the ester (PET) or a mixture thereof, and a waste husk for recycling and pulverizing, may be added with other trace additives such as strontium powder or calcium carbonate powder, and are heated, melted, kneaded and kneaded, and added. Others such as strontium powder or calcium carbonate powder: the weight percentage of trace additives are recovered from waste polyethylene (PE), polypropylene (PP), polyethylene terephthalate (PET) or a mixture thereof. Deducted from the weight percentage of either or both of the plastic bottles, products or materials of the material and the recycled husked waste rice husk.

The above-mentioned recycled waste polyethylene (PE), polypropylene (PP), polyethylene terephthalate A plastic bottle, product or material of the ester (PET) or a mixture thereof and a waste husk for recycling and crushing may be added with 1% to 15% of any real weight percentage of the asphalt additive for heating, melt-kneading and kneading, and adding Asphalt weight percentage is a plastic bottle, product or material from recycled polyethylene (PE), polypropylene (PP), polyethylene terephthalate (PET) or a mixture thereof. The weight percentage of either or both of the rice husks is deducted.

The above-mentioned recycled waste polyethylene (PE), polypropylene (PP), polyethylene terephthalate A plastic PET bottle, product or material of the ester (PET) or a mixture thereof and a waste husk for recycling and crushing may be added with 1% to 15% of any real weight percentage of bitumen and other powder such as strontium powder or calcium carbonate powder. The trace additive is subjected to heat-melting, kneading and kneading, and the added weight of the bitumen and other micro-additives such as strontium powder or calcium carbonate powder is recovered from waste polyethylene (PE), polypropylene (PP), and poly The weight percentage of either or both of the plastic bottles, articles or materials of polyethylene terephthalate (PET) or a mixture thereof and the recovered crushed waste rice hulls are deducted.

S01~S05‧‧‧ Process steps

S031~S033‧‧‧heat melt-kneading mixing process steps

S11~S15‧‧‧ Process steps

1 is a flow chart of a method for producing an electronic sheet by using recycled waste according to the present invention; FIG. 2 is a flow chart of the heat-melt-kneading and kneading of the present invention; and FIG. 3 is a flow chart of a method according to another embodiment of the present invention.

The present invention will be further described below with reference to the accompanying drawings: Referring to Figure 1, the method for producing electronic boards by using recycled waste is mainly for recycling polyethylene (PE), waste polypropylene (PP), and polyethylene terephthalate. The plastic bottle, product or material of the diol ester (PET) or a mixture thereof is pulverized and processed into granules for recycling 1~10 mm (S01), and the waste rice husk is crushed and processed to control the particle size at 10 Between ~325 mesh (S02), next, a plastic PET bottle made of pulverized polyethylene (PE), waste polypropylene (PP), polyethylene terephthalate (PET) or a mixture thereof , product or material, and 60% by weight of the crushed waste rice husk: 40% by weight, heat-melt-kneaded and kneaded (S03), and then the semi-finished product formed by kneading and smelting is coarsely crushed and finely divided to form a plastic shell (S04) Finally, the plastic shell particles are melted at a temperature of 180 to 250 ° C by an injection molding machine, an extrusion or an extrusion molding machine, and injected into a mold to form an electronic sheet (S05).

Referring to FIG. 2, another embodiment of the method for producing an electronic board by using recycled waste according to the present invention, wherein the heating, melt-kneading and kneading step is to recover the recovered polyethylene (PE) and waste polypropylene (PP) after the pulverization process. Plastic bottles, articles or materials made of polyethylene terephthalate (PET) or a mixture thereof are heated and smelted at a temperature of 180 to 250 ° C to be viscous (S031), and then pulverized The rice husk is added into the viscous pulverized recycled polyethylene (PE), waste polypropylene (PP), and poly In polyethylene terephthalate (PET) or plastic bottle, product or material (S032), heat-melt-kneaded and kneaded (S033) to form a semi-finished product and coarsely crushed and finely divided to form a plastic shell .

Please refer to FIG. 3 , which illustrates another embodiment of the present invention. (PE), waste polypropylene (PP), polyethylene terephthalate (PET) or a mixture of plastic bottles, products or materials pulverized to produce 1~10mm particles of recycled waste particles ( S11), and the recovered waste rice husk is pulverized and controlled to have a particle size of 10 to 325 mesh (S12), and then the polyethylene (PE), waste polypropylene (PP), and polyparaphenylene recovered by pulverization processing are recovered. Plastic bottle, product or material of ethylene glycol formate (PET) or a mixture thereof, and pulverized waste rice husk and asphalt are heated, melted and kneaded by 50%: 40%: 10% by weight (S13 Then, the semi-finished product formed by kneading and smelting is coarsely crushed and finely divided to form a plastic shell (S14), and finally the molded shell is melted at a temperature of 180 to 250 ° C by an injection molding machine, an extrusion or an extrusion molding machine. And injection into a mold to form an electronic sheet (S15).

Since the present invention utilizes recycled waste to produce electronic sheets, it utilizes heating and melting Recycling plastic bottles, products or materials of recycled polyethylene (PE), waste polypropylene (PP), polyethylene terephthalate (PET) or mixtures thereof and recycled crushed waste rice husks and Calcium carbonate is combined with a conventional electronic sheet material, in addition to having the overall structural strength of the finished product, and the formed electronic sheet can be remelted and reprocessed, thereby producing an electronic sheet according to the method of the present invention. It has the advantages of recycling and light weight, and has the functions of waterproof, moistureproof and acid and alkali resistance.

The above detailed description is specific to a possible embodiment of the present invention, but the actual The scope of the invention is not limited to the scope of the invention, and equivalents to the embodiments of the invention are intended to be included in the scope of the invention.

S01~S05‧‧‧ Process steps

Claims (9)

A method for producing environmentally-friendly electronic boards by recycling plastic waste, the steps comprising: a. recycling waste plastic bottles, products or materials and crushed waste rice hulls according to 35%~65%: 65%~35% The weight percentage is heated and melted and kneaded to form a recycled plastic PET bottle, product or material and rice husk mixture; b. The recycled plastic PET bottle, product or material and rice husk mixture are coarsely crushed or finely crushed. Thereafter, the molded shell particles are formed; and c. The molded shell particles are melt-injected into a mold, extruded or extruded into an electronic sheet by an injection molding machine or an extrusion or extrusion molding machine. A method for producing an environmentally-friendly electronic sheet by recycling plastic waste according to claim 1, wherein the recycled plastic bottle, product or material is polyethylene (PE), polypropylene (PP) or polyterephthalic acid. Plastic bottles, articles or materials of ethylene glycol ester (PET) materials or mixtures thereof. The method for preparing an environmentally-friendly electronic sheet by using recycled plastic waste according to claim 1, wherein the recycled plastic bottle, product or material is pulverized to form granules of 1 to 10 mm, and then with rice husk and calcium carbonate powder. Heating, melt-kneading and kneading are carried out. The method for preparing an environmentally-friendly electronic sheet by using recycled plastic waste according to claim 1, wherein the crushed waste rice husk has a particle size of 25 to 300 mesh. The method for preparing an environmentally-friendly electronic sheet by using recycled plastic waste according to claim 1, wherein the temperature of the melt-kneading and the injection molding machine or the extrusion or extrusion molding machine melt-inject the molded shell into the mold, press or extrude The forming temperature is between 180 and 250 °C. The method for preparing an environmentally-friendly electronic sheet by recycling plastic waste according to claim 1, wherein the recycled plastic bottle, product or material: the weight percentage of the recovered crushed rice husk is 35% to 65%: 65% ~35% of the upper limit is 100% of any real ratio. The method for producing environmentally-friendly electronic boards by using recycled plastic waste according to claim 1, wherein the recycled plastic bottles, products or materials and the waste and crushed waste rice hulls may be added with 1% to 15% of any real number. a percentage by weight of the asphalt additive for heating, melt-kneading, and the weight percentage of the added asphalt is the weight percentage of either or both of the recycled plastic PET bottles, products or materials and the recovered crushed waste rice husks. Deducted. The method for producing environmentally-friendly electronic boards by using recycled plastic waste according to claim 1, wherein the recycled plastic bottles, products or materials and the waste and crushed waste rice hulls may be added with 1% to 15% of any real number. Weight percent of bitumen and a small amount of tantalum powder or calcium carbonate powder additive for heat-melting, kneading and kneading, and the added weight of bitumen and a small amount of barium powder, calcium carbonate powder or other additives is recovered from discarded plastic treasure The weight percentage of either or both of the special bottle, product or material and the recovered crushed waste rice hull is deducted. The method for producing environmentally-friendly electronic boards by using recycled plastic waste according to claim 1, wherein the recycled plastic bottles, products or materials and the recycled and crushed waste rice husks may also be added with a small amount of powder or calcium carbonate powder. For the purpose of heating, melt-kneading and kneading, and adding a small amount of powder or calcium carbonate powder or other additives by weight, by recycling waste plastic bottles, products or materials and recycling crushed waste rice husks Or one of the weight percentages is deducted.