TWI742315B - Environmental protection function board system process - Google Patents

Abstract

An environmentally friendly functional board system process, including extrusion molding, cooling molding, rolling traction and cutting, mainly to put rubber/plastic raw materials, inorganic mineral powder, powdered wood chips (or crushed paper chips) and foaming agent into the extruder After evenly mixing chains, cooling, rolling, and cutting, a foam board with a thickness of 0.5 mm or more is produced. According to this, the present invention uses recycled powdered wood chips or pulverized paper chips to produce a foamed board body, which improves the value of waste recycling and reuse, reduces the pollution of waste to the environment, and achieves regeneration and environmental protection.

Description

Environmental protection function board system process

The invention relates to the use of fine foaming technology to combine recycled materials (wood chips, paper chips) with rubber/plastic raw materials, inorganic mineral powder and foaming agents, and then extrude them to produce a foamed board.

The rapid economic development has resulted in the over-exploitation of natural resources and increasing waste, such as a large number of forestation and logging, the production of wooden furniture, wooden floors, partition boards, or paper making for printing.

Because wood products have the function of absorbing and discharging moisture, it is beneficial to adjust the humidity of the internal environment and is very popular among the public. However, although the waste materials generated during the processing of wood products, or old furniture, wooden decorations and other wastes can be recycled and returned to the natural environment through burial or incineration, it is a pity that they cannot be used effectively.

The recycling of paper after use can be roughly divided into white paper (writing paper, note paper, letter paper, book inner pages), newspaper, kraft paper (kraft paper bag, tile paper, tile box), and mixed paper ( Book cover, recycled paper, paper box). However, according to statistics, paper is generally recycled about 4 to 7 times at most, and each time it is recycled, it will be torn and smashed. With the addition of chemicals and water heating to remove impurities and deinking, each step will change the fiber of the pulp. Short, rough and fragile. In addition, there are still documents in the office that require the use of shredders. Since their fibers have become staple fibers, they can be recycled and used. The use of it is restricted.

In view of the aforementioned problems such as recycling of recycled waste, the inventor hopes to effectively utilize the aforementioned recycled and waste, and regenerate it for other purposes through processing methods, so as to reduce the output of waste.

The present invention provides an environmentally-friendly functional board system process, which mainly uses recycled powdered wood chips or crushed paper chips, combined with rubber/plastic raw materials, inorganic mineral powder, and foaming agents to produce foamed boards, which improves waste recycling and reuse Value, reduce the pollution of waste to the environment, achieve regeneration and environmental protection, and become an environmentally friendly invention process.

An environmentally friendly functional board system process, including: extrusion molding, 15% to 50% by weight of rubber/plastic raw materials, 50% to 85% by weight of inorganic mineral powder, powdered wood chips, and foaming agent are placed into the extruder. Uniformly mixed chain, by which the mixed chain material is formed and melted by the extruder, and the rubber/plastic raw material is foamed and expanded, and then is conveyed from the die head to extrude a foamed board with a thickness of 0.5mm or more and containing powdered wood chips; Inorganic mineral powder is calcium silicate; the aforementioned foaming agent is Azodicarbonamide, disulfonyl hydrazide diphenyl ether or dinitrosopentamethylene tetramine, used per 1 kg of rubber/plastic raw materials 2.4g to 6g of foaming agent; cooling molding, liquid contact cooling molding is performed by extruding the semi-finished foam board; rolling traction, the upper and lower surfaces of the semi-finished foam board after cooling are driven by a rolling traction machine Traction by the upper and lower rollers; and cutting, the knife cuts the foam board with a preset length.

An environmentally friendly functional board system process, including: extrusion molding, 15% ~50% by weight of rubber/plastic raw materials, 50%~85% by weight of inorganic mineral powder, crushed paper scraps and foaming agent are put into the extruder and mixed evenly to form a mixed chain material which is melted by the extruder and the rubber /The plastic material is foamed and expanded, and then conveyed from the die head to extrude a foamed board with a thickness of 0.5mm or more and containing crushed paper scraps; the aforementioned inorganic mineral powder is calcium silicate; the aforementioned foaming agent is azobis Azodicarbonamide (Azodicarbonamide), disulfonyl hydrazide diphenyl ether or dinitrosopentamethylene tetramine, use 2.4g to 6g foaming agent per 1 kg of rubber/plastic raw materials; cooling molding, by extrusion molding The semi-finished foam board is formed by liquid contact cooling; rolling traction, the upper and lower surfaces of the cooled semi-finished foam board are drawn by the upper and lower rollers of the rolling tractor; and cutting, the cutter cuts the preset length Foam board body.

The aforementioned environmentally friendly functional board system, in which the rubber/plastic raw materials are PVC (Polyvinyl Chloride), PE (polyethylene), ABS (Acrylonitrile Butadiene Styrene, acrylonitrile-butadiene-styrene) or PC ( Polycarbonate, polycarbonate) or engineering plastics.

In the aforementioned environmental protection functional board system, the inorganic mineral powder is calcium carbonate.

An embodiment of the environmental protection functional board system process of the present invention is listed below. The process includes: extrusion molding, 15% to 50% by weight of rubber/plastic raw materials, 50% to 85% by weight of inorganic mineral powder, and powdered wood chips And the blowing agent is put into the extruder and mixed evenly to form a mixed chain material, which is melted by the extruder and the rubber/plastic material foams Expansion, and then extruded from the die head to form a foamed board with a thickness of 0.5mm or more and containing inorganic mineral powder; the aforementioned inorganic mineral powder is calcium silicate; the aforementioned foaming agent is Azodicarbonamide (Azodicarbonamide) ), disulfonyl hydrazide diphenyl ether or dinitrosopentamethylene tetramine, use 2.4 g to 6 g foaming agent per 1 kg of rubber/plastic materials (the foaming ratio can be adjusted from 1.1 times to 3.5 Low foaming ratio (different from high-rate foaming package temperature and cushioning materials); cooling molding, liquid contact cooling molding is performed by extruding the semi-finished foam board; rolling traction, the semi-finished product after cooling The upper and lower surfaces of the foamed board are drawn by the upper and lower rollers of the rolling tractor; and for cutting, the cutter cuts the foamed board with a predetermined length.

The invention puts the rubber/plastic raw materials, inorganic mineral powder, powdered wood chips and foaming agent in the extruder in a good proportion, and the extruder is evenly mixed and heated to make the rubber/plastic raw materials into a molten fluid state and mix with the inorganic Mineral powder, powdered wood chips, and foaming agent are fused together. Because the internal pressure of the extruder and its die is released, the volume of the foaming agent and the rubber/plastic raw materials are expanded. The output from the film head is over 0.5mm thick and contains Foam board of powdered wood chips and inorganic mineral powder. Then it is washed and cooled by the cooling water in the water tank or cooled by the freezing wheel, and the rolling tractor rolls against the upper and lower surfaces of the foam board by the upper and lower rollers, and finally cuts the foam board with a predetermined length with a knife. The finished product produced by the invention can be used for multiple purposes such as furniture, foamed floor, foamed wall panel, foamed door panel, foamed heat insulation board or building decoration. According to this, the present invention can indeed increase the value of waste recycling and reuse, reduce the pollution of waste to the environment, achieve the regeneration and environmental protection effect, and become an environmentally friendly inventor.

The foaming agent used in the invention is an organic chemical foaming agent. The foaming agent includes ADCA (Azodicarbonamide) C ₂ H ₄ O ₂ N ₄ (blowing agent AC), Hydrazine foaming agent (OBSH) disulfonyl hydrazine diphenyl ether or nitroso series (DPT foaming agent) is also known as H foaming agent dinitrosopentamethylenetetramine. Among them, foaming agent (AC) is a high-efficiency foaming agent widely used in rubber, polyethylene and polymer resin industries. It is the most commonly used organic foaming agent. When there is no additive, the gas product of thermal decomposition is mainly N ₂ CO ₂ . The blowing agent (AC) has high gas generation and good dispersibility, mainly to release N ₂ or CO ₂ . Metal oxides, organic acids and salts such as lead, zinc and cadmium have the effect of reducing the decomposition temperature of the pure blowing agent (AC). The hydrazine foaming agent (OBSH) disulfonyl hydrazide diphenyl ether has very low toxicity, is suitable for food contact packaging materials, and has good electrical insulation properties. Nitroso series (DPT foaming agent) is also known as H foaming agent. Its chemical composition is dinitrosopentamethylenetetramine. It is widely used in the manufacture of sponge rubber. It can also be used for plasticizing PVC compression molds and blow molding. Foaming. Odorless, soluble in dimethylformamide and dimethylsulfoxide. The organic chemical blowing agent disclosed above has low toxicity, so even if it is used in the production of foam board, because the content is extremely low, it can still be called a non-toxic and environmentally friendly product. Therefore, the manufacturing process and the final product are quite environmentally friendly. Environmental protection and friendly treatment.

Another embodiment of the present invention differs from the foregoing in that the powdered wood chips are replaced with pulverized paper chips, and the rest of the manufacturing process is substantially the same, as described in the following paragraphs.

An environmentally friendly functional board system process, including: extrusion molding, 15% to 50% by weight of rubber/plastic raw materials, 50% to 85% by weight of inorganic mineral powder, crushed paper scraps and foaming agent are placed in the extruder. Uniformly mixed chain, by which the mixed chain material is formed and melted by the extruder, and the rubber/plastic raw material is foamed and expanded, and then is conveyed from the die head to extrude the foam board body with a thickness of 0.5mm or more and containing crushed paper scraps; without The organic mineral powder is calcium silicate; the aforementioned foaming agent is Azodicarbonamide, disulfonyl hydrazide diphenyl ether or dinitrosopentamethylene tetramine, used per 1 kg of rubber/plastic raw materials 2.4g to 6g of foaming agent; cooling molding, liquid contact cooling molding is performed by extruding the semi-finished foam board; rolling traction, the upper and lower surfaces of the semi-finished foam board after cooling are driven by a rolling traction machine Traction by the upper and lower rollers; and cutting, the knife cuts the foam board with a preset length.

The limitation of the relevant components of the manufacturing process of the above two embodiments is further described in detail. The rubber/plastic raw materials are PVC (Polyvinyl Chloride), PE (polyethylene), ABS (Acrylonitrile Butadiene Styrene, acrylonitrile-butadiene-styrene) or PC (Polycarbonate, polycarbonate) or Engineering plastics. The aforementioned inorganic mineral powder is calcium carbonate.

Claims (6)

An environmentally friendly functional board system process, including: extrusion molding, 15% to 50% by weight of rubber/plastic raw materials, 50% to 85% by weight of inorganic mineral powder, powdered wood chips, and foaming agent are placed into the extruder. Uniformly mixed chain, by which the mixed chain material is formed and melted by the extruder, and the rubber/plastic raw material is foamed and expanded, and then is conveyed from the die head to extrude a foamed board with a thickness of 0.5mm or more and containing powdered wood chips; Inorganic mineral powder is calcium silicate; the aforementioned foaming agent is Azodicarbonamide, disulfonyl hydrazide diphenyl ether or dinitrosopentamethylene tetramine, used per 1 kg of rubber/plastic raw materials 2.4g to 6g of foaming agent; cooling molding, liquid contact cooling molding is performed by extruding the semi-finished foam board; rolling traction, the upper and lower surfaces of the semi-finished foam board after cooling are driven by a rolling traction machine Traction by the upper and lower rollers; and cutting, the knife cuts the foam board with a preset length. The environmental protection functional board system process described in claim 1, wherein the rubber/plastic materials are PVC (Polyvinyl Chloride), PE (polyethylene), ABS (Acrylonitrile Butadiene Styrene, acrylonitrile-butadiene- Styrene) or PC (Polycarbonate, polycarbonate) or engineering plastics. The environmental protection functional board system process described in claim 1 or claim 2, wherein the inorganic mineral powder is calcium carbonate. A kind of environmental protection functional board system process, including: extrusion molding, 15%~50% weight ratio of rubber/plastic materials, 50%~85% The weight ratio of inorganic mineral powder, pulverized paper scraps and foaming agent are put into the extruder and mixed evenly to form a mixed chain material, which is melted by the extruder and the rubber/plastic material foams and expands, and then is conveyed and extruded by the die. Foamed board with a molding thickness of 0.5mm or more and containing crushed paper scraps; the aforementioned inorganic mineral powder is calcium silicate; the aforementioned foaming agent is Azodicarbonamide, disulfonyl hydrazide diphenyl ether or Dinitrosopentamethylenetetramine, using 2.4 g to 6 g of foaming agent per 1 kg of rubber/plastic raw materials; cooling molding, liquid contact cooling molding is performed by extruding the semi-finished foam board; rolling; The upper and lower surfaces of the semi-finished foamed board after traction and cooling are drawn by the upper and lower rollers of the rolling tractor; and for cutting, the tool cuts the foamed board with a predetermined length. The environmental protection functional board system process described in claim 4, in which the rubber/plastic materials are PVC (Polyvinyl Chloride), PE (polyethylene), ABS (Acrylonitrile Butadiene Styrene, acrylonitrile-butadiene- Styrene) or PC (Polycarbonate, polycarbonate) or engineering plastics. The environmental protection functional board system process described in claim 4 or claim 5, wherein the inorganic mineral powder is calcium carbonate.