WO2011046331A2

WO2011046331A2 - Chip recycled from interior sheet waste of a vehicle and laminated sheet for vehicle interior material using same

Info

Publication number: WO2011046331A2
Application number: PCT/KR2010/006936
Authority: WO
Inventors: 이장호
Original assignee: (주)고경씨앤피
Priority date: 2009-10-12
Filing date: 2010-10-11
Publication date: 2011-04-21
Also published as: WO2011046331A3

Abstract

The present invention relates to a chip recycled from interior sheet waste of a vehicle and a laminated sheet for a vehicle interior material using the same. The recycled chip according to the present invention has the advantages of overcoming problems of reutilizing interior sheet waste of a vehicle and preventing environmental contamination by reutilizing waste resources. Further, the consumption of raw materials can be reduced by using the elastic and durable recycled chip of the present invention. In addition, the laminated sheet of the present invention using the above-described recycled chip has a variety of designs and colors, thus not only decorating an outer appearance of a vehicle interior but also providing superior surface hardness and improved quality. The laminated sheet of the present invention is lightweight and has excellent mechanical properties, and is impregnated with an environmentally friendly flame retardant liquid to obtain superior flame retardant properties. Therefore, the laminated sheet of the present invention has high added value and has improved competitiveness, thus overcoming problems of reutilizing interior sheet waste of a vehicle.

Description

Specification

Name of invention: automobile interior sheet waste recycling chip and automobile interior material laminated sheet using same

Field of technology

[1] The present invention relates to an automobile interior sheet waste recycling chip and a laminated sheet for automobile interior materials using the same, and more specifically, to an automobile interior sheet waste having a multi-layered structure having different physical properties, and a chip containing the same. The present invention relates to a laminate sheet for automotive interior materials in which one or more surface layers selected from a film layer and a fiber layer are laminated on one or both surfaces of the substrate layer.

Background

[2] More than 3.5 million cars are produced annually in our country.

In the production process, the interior sheet is suitable for the shape of the indoor steel sheet, so the scraper discharged during press cutting is different.

It exceeds LOOOOt (Ulsan, Miryang area).

[3] The use of these scraps is important not only in terms of cost savings, but also in terms of environmental issues. In addition, efforts are being made to recycle the various elements of the car by the request of the environment. There is a need to recycle the board.

[4] However, such sheet waste has a structure of carpet fixed on the sheet by the bottom layer of composite polypropylene, polyethylene, or polyvinyl chloride, and the raising layer of nylon, polypropylene, and polyester yarn. Since the physical properties are different, they cannot be recycled without being separated.In this way, the built-in sheet is incinerated or landfilled because it is very difficult to separate the physical properties. Or it is a fact that after treatment, serious problems such as pollution of the water, groundwater, and soot pollution are caused.

[5] Furthermore, the different physical properties of polyethylene, the main component of polyester fibers and their supports, cannot be recycled due to the differences in melting point and compatibility and the difficulty of mixing due to the presence of fibrous fibers.

[6] The inventors of the present invention have found a recycling method that has a simple physical structure with improved physical yields and has a high physical property.

Detailed description of the invention

Technical task

[7] The object of the present invention is to overcome the difficulty of recycling waste sheets in automobiles, As a way to recycle the car interior sheet waste at a cost, in the material composition of the car interior sheet waste, the molecular composition of the polyester fiber yarn is easily recycled to provide a method of manufacturing a recycled chip with improved strength.

[8] Another object of the present invention is to provide a car interior sheet manufactured by the above manufacturing method.

The present invention provides a laminate sheet for automobile interior materials in which a substrate layer including waste chips using waste and at least one surface layer selected from a film pack and a fiber layer are stacked on one or both surfaces of the substrate layer in a single layer or multiple layers.

Challenge solution

Hereinafter, a manufacturing method of the present invention will be described in detail with reference to the accompanying drawings. The drawings introduced below may be exaggerated and shown as an example to ensure that the spirit of the present invention to those skilled in the art will fully convey.

[10] At this point, unless otherwise defined in the technical terms and scientific terms used,

The invention has the meaning commonly understood by those of ordinary skill in the art, and the gist of the invention in the following description and the accompanying drawings.

Descriptions of well-known functions and configurations that may be unnecessarily blurred are omitted.

The present invention is a brush layer of polyester; And polypropylene (PP) or

Provided is a method for recycling multi-layered automotive interior sheet waste comprising a bottom layer of polyethylene (PE).

[12] The present invention includes a recycling chip using waste of automobile interior sheets.

Provided is a laminate sheet for automotive interior materials in which a base layer and at least one surface layer selected from a film layer and a fiber layer are laminated in one or multiple layers on one or both surfaces of the base layer.

[13] The present invention provides a brush layer of polyester; And polypropylene (PP) or

In the bottom layer automobile interior sheet waste of the multi-layer structure comprising the ethylene (PE) to the pulley, is characterized in that by dispersing in a polyester resin, a polyester fiber does not ^"melt brushed layer can be produced with excellent recycling chip properties.

The waste of automobile interior sheet according to the present invention is a defective product generated in the production process of automobile interior sheet, a scraper generated in the process of processing automobile interior sheet, or a combination thereof, and more specifically, the scrap. The scraper is recycled as a wood board scraper or a polypropylene random copolymer scraper (PPR board scraper), which can reduce raw materials and produce high quality recycled chips.

[15] The laminated sheet for automobile interior according to the present invention has a substrate layer including a recycling chip using waste of automobile interior sheet, and at least one selected from a film layer and a fiber layer on one or both surfaces of the substrate layer. The surface layer is characterized in that it is laminated in a single layer or multiple layers.

The film layer according to the present invention is an adhesive layer on top of the film layer; Film base layer; Printed layer; It is characterized by further laminating a color layer consisting of a coating layer, the color layer is characterized by a thickness of 0.01 IM to 3 匪.

[17] The laminated sheet for automobile interiors according to the present invention includes a base layer and an upper portion of the base layer.

Film layer; A base layer, a film layer above the base layer, and a fiber layer below the base layer; A base layer, a fibrous layer on top of the base layer; The base layer, the fibrous layer below the living base layer; and the base layer, the fibrous layer above the base layer, and the "layer layer: the fibrous layer"; and the laminated sheet is a sheet of woodboard ( wood board sheet or polypropylene random copolymer (PPR board sheet).

[18] The laminated sheet for automobile interior according to the present invention may contain air therein by using a low melting thermoplastic resin fiber having a melting point of 80 to 120 ° C and a high melting thermoplastic hollow fiber having a melting point of 250 to 280 ° C. Three-dimensional network is formed is characterized in that the lightweight laminated sheet having a fine pore layer.

[19] The base layer of the laminated sheet for automotive interior according to the present invention is a vehicle interior sheet

Waste chips, polypropylene, wood flour, talc, carbon black

It comprises as a main component, the film layer of the surface layer of the laminated sheet for automotive interior according to the present invention contains chlorinated polypropylene, the fiber layer is a low melting point thermoplastic resin fiber and a high melting point thermoplastic resin _. It is characterized by including hollow fibers.

[2] Hereinafter, the present invention will be described in detail.

[21] The present invention

[22] 1) raising layer of polyester; and of polypropylene (PP) or polyethylene (PE)

Preparing a preliminary pulverized product by preliminary crushing the waste of automobile interior sheets having a multi-layer structure including a bottom layer;

2) melting the preliminary ground product at a melting temperature (T _P ) satisfying Equation 1

Preparing a melt extrudate;

[ ²⁴ ] [Equation II

Tm ¹ <1><Tin ² (Tm ¹ is the bottom melting point, Tm ² is the napping melting point, and T _P is the melting point.

[25] 3) forming the melt extrudate by visually shaping the specimen;

4) pulverizing the molded sheet phase and sorting by ¾ size;

It provides a method for manufacturing a recycled chip (chip) using the waste of the car interior sheet, including the [27].

[28] The automobile interior sheet according to the present invention may further include any one or more layering agents selected from wood powder, tar, calcium carbonate, carbon black, stabilizer, master batch, antibacterial agent and odor remover, and have a multi-layered automobile. It is a built-in sheet, preliminary step 1) Crushing is horizontal. It is characterized in that the pulverization in the range of 20 to 30, which is to prevent the non-uniform swelling of the polyester fiber yarns in the shape of the cotton when the material of different properties of the interior sheet is separated from each other when pulverized.

In the manufacturing method of the present invention, the interior sheet of step 1) is melted polyester fiber in order to use the molecular structure of the polyester fiber yarn forming a brushed layer, without separating the material of the different physical properties of the interior sheet Since it must be dispersed in the resin without making it necessary to control the degree of melting, the melting temperature is characterized by satisfying the following formula (1).

[3] [Equation 1]

Tm ¹ <TP <ϊηι ² (Tm ¹ is the bottom melting point, Tm ² is the napping melting point, and 용융 is the melting temperature.)

[31] If the melting temperature is lower than the melting point of polypropylene (ΡΡ) or polyethylene (ΡΕ) of the bottom layer, the various resins forming the bottom layer may not be made of a liquid mixed resin having an even distribution. If the silver degree is higher than the melting point of the brushed layer polyester, it cannot be dispersed in the resin without melting the polyester fibers. This is because the sheet-like surface of step 3) made of the melt extrudates becomes unevenly entangled with filamentous fiber yarns, and in the end, it becomes difficult to manufacture a chip having a stronger strength containing the binding force of the intended polyester. The preferred melting temperature is 180 to 250 ° C., more preferably prepared by melting to 220 ^° C.

[32] The sheet phase of step 3) according to the present invention is a melt extrudates of step 2).

The sheet is prepared by cooling to a thickness of 2 to 5 腿, and after the step 3), the molded sheet may be prepared by further cutting the horizontally and vertically in a range of 100 to 350, and 4) The step is completed by pulverizing to a particle size of 2 to 10 腿 after the step of sorting by particle size to manufacture a recycle chip (chip). See FIGS. 1 and 2.

The present invention provides a recycling chip using waste of automobile interior sheets manufactured by the manufacturing method.

The recycling chip according to the present invention is characterized by having a particle size of 2 to 10 mm, which not only considers the economic aspects of recycling, but also maximizes the use range of the recycling chip to prevent the occurrence of secondary pollution. There is an advantage to it.

According to the present invention, a single layer includes a substrate layer including a recycle chip using waste of automobile interior sheets manufactured by the manufacturing method and at least one surface layer selected from a film layer and a fiber layer on one or both surfaces of the substrate layer. Another object is to provide a laminate sheet for automobile interior materials laminated in a multilayer.

The film layer is an adhesive layer on top of the film layer; Film base layer; Printed layer; With coating layer The configured color layer can be further laminated, and the color layer has a thickness of 0.01 / m to 3 丽. The color layer has the advantage of decorating the appearance by having a variety of designs and colors on the laminated sheet as well as giving excellent surface hardness to improve the quality, and the high value-added and improved competitiveness of the laminated sheet.

[37] The laminated sheet according to the present invention is more specifically a substrate layer, the top of the substrate layer

Film layer; The substrate ^layer. A film layer over the crawfish layer and a fiber layer under the substrate layer; A base layer, a fibrous layer over the base layer; At least one selected from a base layer, a fiber layer below the base layer; and a base layer, a fiber layer above the base layer, and a fiber layer below the base layer.

[38] The base layer of the laminated sheet for automotive interior according to the present invention includes a defective product generated in the production process of the automotive interior sheet, a wood board scraper generated in the processing process of the automotive interior sheet, and a polypropylene random. It is characterized in that it comprises a recycled chip having excellent physical properties prepared by dispersing a copolymer (PPR board scraper) or a mixture thereof in a resin without melting the polyester fibers in the brushed layer, more specifically, The recycled chip is characterized in that it is manufactured by the following manufacturing method.

The recycling chip comprises: 1) a brush layer of polyester; And preliminarily grinding the interior vehicle waste of a multilayer structure including a bottom layer of polypropylene (PP) or polyethylene (PE) to produce a preliminary mill. 2) melting the preliminary ground product at a melting temperature (Tp) satisfying Equation 1 below to produce a melt extrudate; 3) The molten extrudate is cooled, molded into sheets, pulverized, screened by particle size, and obtained.

[40] [formula U

Tm ^l <TP <Tm ² (is the bottom melting point, Tm ² is the napping layer melting point, and T _P is the melting temperature.)

[41] The preliminary grinding of step 1) is characterized in that the grinding in the horizontal and vertical range of 20 to 30 丽, which is separated from each other of the physical properties of the interior sheet is swelled in the shape of a polyester fiber yarn during grinding To prevent unevenness.

In addition, the interior sheet of step 1) is a resin without melting the polyester fibers in order to use the polyester ᅳ fiber yarn and the molecular composition of the brush layer without separating the material of the different physical properties of the interior sheet Since it needs to be dispersed in the inside, it is necessary to control the melting temperature, the preferred melting temperature is 180 to 250 ° C, more preferably produced by melting at 220 ° C.

The sheet phase of step 3) according to the present invention is a melt extrudates of step 2).

2 to 5 mm thick into a sheet prepared by cooling, and after the step 3), The molded sheet may be further manufactured by cutting in the range of 100 to 350 mm in width and length, and the step 4) is a recycling chip after grinding into particles of 2 to 10 particles and sorting by particle size. To complete. See FIG.

[44] The base layer of the automotive interior laminate sheet according to the present invention is a thermoplastic resin 100

Regarding parts by weight, 10 to 125 parts by weight of recycled chips using automobile interior sheet waste according to the above manufacturing method, 10 to 110 parts by weight of filler and 0.5 to 5.0 parts by weight of processing aid are combined to form a sheet of 0.5 to 6.0 mm. It is manufactured by melting extrusion.

[45] The thermoplastic resin is polyethylene, polypropylene, polyvinyl chloride,

It is preferable to use polypropylene, which is at least one selected from ethylene vinyl acetate, and more preferably, has a high melting point, excellent strength, water resistance, chemical resistance and easy releasability with the fibrous layer.

[46] The layer premise improve the physical properties of that sheet using a component containing the agarose as wood flour, talc, acid kalseum, sawdust and chaff four to more than one, and for a ^', more preferably vegetable selreul selected from If the amount of the filler is more than 10 parts by weight, the use of 10 to 110 parts by weight of the filler can be made with respect to 100 parts by weight of the thermoplastic resin. In case of using less than 10 parts by weight, the effect is minimal.

[47] The processing aid may be any one or more selected from carbon black, stabilizer, antioxidant, antibacterial and deodorant, and more preferably carbon black, which may be manufactured so that the surface is not sticky. do not stick to each other is to prepare a layer having excellent usability described. the processing aid is because the amount is not _ transform it resin ^"sex using the processing aid from 0.5 to 5.0 parts by weight with respect to the thermoplastic resin 100 parts by weight is most preferred.

[48] The base layer according to the present invention can be used to reduce the amount to suit the conditions by adjusting the composition ratio of the thermoplastic resin, the layering agent and the processing aid according to the content of the recycled chip to be added to the advantage of reducing the raw material have.

[49] The base layer according to the present invention is a pellet type or finely divided thermoplastic resin filler. It is mixed with the processing aid and then extruded into a extruder and melted to form a plate shape. The above-mentioned melting depends on the resin to be processed. It is preferable to use the melting temperature of the resin used.

[50] In the present invention, a film layer and a fiber layer using a resin of a similar series to the base material are pressed onto one or both sides of the base material by means of the residual heat of the base material before the remaining heat of the extruded base material is completely cooled to complete the wall. It is characterized in that the adhesive.

[51] The epidermal layer laminated on one or both sides of the substrate layer according to the present invention is different from that of the substrate layer. In addition to the increase in adhesion, heat resistance and surface tension, as the weight of the sheet is reduced, it has an important meaning in order to manufacture a multilayer sheet having a multi-layer structure in which physical properties such as sound absorption and sound insulation and stiffness are improved.

The surface layer is any one or more selected from a film layer and a fiber layer, the film layer is characterized in that the use of chlorinated polypropylene (Chlorinated Polypropylene), the chlorinated polypropylene has a molecular weight of 1,000 to 400,000 ， Use 1 to 45% by weight of chlorine content.

The chlorinated polypropylene is perfectly adhered to the substrate layer when pressurized by the residual heat of the substrate to give workability improvement effect as well as adhesion to the color layer further laminated on the film layer. Designed in consideration of all, this has the advantage of improving the surface tension of the laminated sheet.

[54] The fiber layer is 150 to 450 _§ / 01 ^! Distributed by

A short fiber layer composed of a nonwoven fabric or a woven fabric, a long fiber layer composed of a nonwoven fabric or a woven fabric, or a mixed layer thereof, in which a fiber yarn of polyester material is distributed at 20 to 80 g / m ', wherein the short fiber layer and the long fiber layer are formed on one side or both sides. The same fibrous layer or different fibrous layers may be laminated to form a laminated sheet. See FIGS. 3 and 4.

In addition, the distribution structure of a certain range of the short fiber layer and the long fiber layer is necessary to achieve excellent sound absorption and heat insulation effect with sufficient strength of the laminated sheet for automotive interior material for the purpose of the present invention.

[56] The polyester fiber yarn used in the fibrous layer is a 'low melting point thermoplastic resin fiber having a melting point of 80 to 120 ° C. and is made of polyethylene, polypropylene, polyvinyl chloride,

High melting point thermoplastic hollow fiber having at least one selected from polyester, polyethylene-polyester copolymer, melting point of 250 to 280 ° C

It is characterized by using any one or more selected from polyester-based, polyethylene-based, nylon-based, heat-soluble fluororesin.

[57] A low-melting point polyester fiber yarn used in the fiber layer according to the present invention

Preference is given to using 30 to 95% by weight of thermoplastic fibers and 5 to 70% by weight of high-melting thermoplastic hollow fibers. If the low-melting thermoplastic resin fibers are used at less than 30% by weight, the desired light weight, heat insulation and sound absorption for the automotive interior material may not be satisfied, and when it exceeds 95% by weight, satisfactory weight reduction may not be achieved. For automotive interiors where high melting point thermoplastic resins are used in less than 5% by weight. Light weight and heat insulation and sound absorption can not be satisfied, there is a problem that the manufacturing cost increases if it exceeds 70% by weight.

The high melting point thermoplastic resin hollow fiber according to the present invention has a hollow interior of the fiber

Means that formed into a space, when using the hollow fiber is a cavity (cavity) formed in the interior of the expanded fiber passes through the stampable sheet manufacturing apparatus In the process, it has higher heat resistance than the low-melting thermoplastic resin fibers, and maintains a certain portion of the shape better, thereby increasing the sound absorption or thermal insulation of the final sheet. Such hollow fibers include, for example, polyester, polyethylene, and nylon. Thermoplastic hollow fiber, such as thermomelting fluorine resin, can be used, and the cavity can have any shape, such as circular or triangular, but is not limited to these.

Ethylene-Nuclear Fluoropropylene Copolymer (FEP), Tetrafluoro

Ethylene ᅳ fel fluoroalkyl vinyl ether copolymer (PFA), tetrafluoro ethylene-nucleus fluoropropylene-phenyl fluoroalkyl vinyl ether

Copolymers (EPA), tetrafluoroethylene-ethylene copolymers (ETFE), etc. can be used. When such hollow fibers are used, the voids inside the fibers provide better sound absorption and thermal insulation.

[59] The laminated sheet according to the present invention is characterized by being manufactured by impregnating a flame retardant. The flame retardant composition is 20 to 40 wt% of methylcellulose, 10 to 15 wt% of boric acid, 5 to 10% of borax, and hydroxide. It is characterized by using an eco-friendly flame retardant in which 10 to 50 parts by weight of sodium silicate is mixed with respect to 100 parts by weight of a mixture of 0.01 to 1% by weight of sodium, 1 to 10% by weight of triphenylphosphate, and 40 to 60% by weight of water.

[6] The laminated sheet according to the present invention is impregnated with an environmentally friendly flame retardant solution, which has low toxicity, low harmfulness, as well as excellent flame retardancy, heat resistance and flame resistance, and thus can be applied as interior materials for automobiles.

Effects of the Invention

[61] A method for manufacturing recycled chips in accordance with the present invention is a method of manufacturing waste materials for automobile interiors.

Unlike conventional methods of separating and recycling different physical properties, there is an advantage in that it is possible to manufacture recycled chips that are economical and have excellent properties by a simple method of dispersing polyester fibers in a brushed layer without melting them.

[62] The manufacturing method of the recycling chip according to the present invention can overcome the difficulty of recycling the waste of automobile interior seats, which can prevent the environmental pollution caused by the recycling of waste and resources, as well as the use of the recycling chip having elasticity and durability. This has the advantage of saving the raw materials.

[63] Laminated sheet according to the present invention is a waste recycling chip for automobile interior sheet

By controlling the composition ratio of the thermoplastic resin, filler and processing aid according to the content of the recycled chip, the amount can be reduced according to the conditions, which can reduce the raw materials.

[64] Laminated sheet according to the present invention has a variety of designs and colors to improve the appearance

Not only the decorative function but also the number of surface hardness is added to improve the quality, and the weight reduction and mechanical properties of the red insect sheet as well as the environmentally friendly flame retardant

It has excellent flame retardancy by impregnation, which makes high added value of laminated sheet and It has the advantage of improving the competitiveness and overcoming the difficulty of recycling automobile interior sheet waste.

Brief description of the drawings

FIG. 1 is a diagram illustrating a manufacturing process of a recycling chip using automobile interior sheet waste according to the present invention.

2 shows the recycling of chips according to the waste of automobile interior sheets having various layers.

It is a photograph,

[67] (A: wood recycling chip, Β: polypropylene random copolymer recycling chip)

3 is a cross-sectional view showing the structure of a wood board sheet as a laminated sheet according to the present invention, (a) is an example illustrating a substrate layer and a film layer on the substrate layer, (b) Is an example of a substrate layer, a film layer on the substrate layer, and a short fiber layer on the substrate layer. (c) is an example of a substrate layer, a film layer on the substrate layer, and a long fiber layer on the substrate layer.

4 is a cross-sectional view showing the structure of a polypropylene random copolymer sheet (PPR board sheet) as a laminated sheet according to the present invention, (a) is an example illustrating a substrate layer and a short fiber layer on the substrate layer. , (B) is an example illustrating a base layer and a short fiber layer under the base layer, (c) is an example illustrating a base layer and a long fiber layer under the base layer, (d) is a base layer, the upper part of the base layer It is an example which shows a short fiber layer and the short fiber layer below the said base layer, (e) is an example which shows a base layer, the short fiber layer of the said base filling part, and the long fiber layer of the said base filling part.

Best Mode for Carrying Out the Invention

[70] Manufacturing Method and Recycling Chip According to the Present Invention

Describes how to make laminated sheets, but the examples and examples presented do not limit the scope of the invention.

[71] [Manufacturing Example]

[72] Interior waste sheets for automobiles, ie, sheet waste, in which the brushed material is polyester, and the bottom layer is composed of composite polypropylene ( _PP) and polyethylene _(PE)

100 kg in length and length of 20 x 30 ram, preliminary preliminary grinding, such as polyester with a fiber component and polypropylene (PP) with a solid component

After the resin particles have obtained a mixed mixture, the obtained mixture is transferred to a twin screw extruder.

The molten extrudates were produced with a heat of 220 ^° C. The molten extrudates exist in the molten extrudates, and the molten extrudates are cooled and cooled using a conventional roller extruder. The extruded sheet was extruded into a press sheet having a thickness of 2 to 5 mm.

After grinding the tooth to 100x350 腿, it should be less than 10mm.

The chip was regrind into a chip having a particle size and passed through a vibrating filter network having a network of 8 to 10 匪. [Example] [Example 1] Preparation of wood board sheet).

(I) Substrate: Preparation of 2-laver laminated sheet after filling with upper layer

[75] 30% by weight of recycled chips prepared in Preparation Example, 60% by weight of homopolypropylene (polyamide, HF-600N), 60% by weight of wood powder, 4.0% by weight of TALC,

Antioxidant (trade name: 1010, 1076, supplier: Shinwon Chemical) 0.2% by weight,

Lubricant (stabilizer) (trade name: CA-ST Supplier: Shinwon Chemical) 0.08% by weight> 0.2% by weight of carbon black was prepared using a polishing extruder to produce a substrate having a thickness of 5.0 mm and a width of 1000 ㎖. A chlorinated polypropylene (CPP) film layer was laminated on to prepare a laminated sheet having a thickness of 6.0 mm.

[76] (2) Base layer specialty: Gymnastics of 3-laver laminated sheet laminated with multi-petroleum lower layer

[77] Recycled Chip 30% by weight, Homopolypropylene (Polymer, HF-600) 60% by weight, Wood powder 60% by weight TALC 4.0 Weight ^< ¾,

Antioxidant (Product Name: 1010, 1076, Supplier: Shinwon Chemical) 0.2 Weight ¹ ¾,

Lubricant (stabilizer) (trade name: CA-ST Supplier Shinwha Chemical) 0.0.Weight%> Carbon Block 0.2 Weight ^< ¾ A chlorinated polypropylene (CPP) film layer was laminated on top of the ash.

The laminated base layer; 45% by weight of polyester fiber and 55% by weight of heat-melting fluorocarbon fiber in a film upper layer were mixed and opened, and the mat manufactured by passing through a cylindrical cylindrical carding machine was laminated to the bottom of the needle. Spread it with a needle and distribute it at 250 g / m ', supply it to the srampable sheet manufacturing apparatus, and pass the rollers preheated at 170 ° C, 200 ° C, and 230 ° C, respectively at a speed of 8M / min. A sheet of 10 mm thickness was prepared, and a sheet of 7 mm thickness was obtained by passing an air cool zone of 90 ° C at a speed of 8 M / min.

It was prepared, and passed through the water cool zone of 50 ° C at a speed of 8 M / min, and passed through the water cool zone of 30 ° C at a rate of 8 M / min to finally produce a laminated sheet of 5 mm thickness.

The prepared laminated sheet was impregnated with a flame retardant solution, and then taken out and dried at 130 ° C. for 30 minutes.

[80] The flame retardant is 30% by weight of ¾ cells of mesorose, 12% by weight of boric acid ^< ¾, 8% of borax, „

50 parts by weight of sodium silicate was mixed with 100 parts by weight of 0.5% by weight of sodium hydroxide, 8.5% by weight of triphenylphosphate, and 41% by weight of water.

Prepared.

[Example 2] Preparation of PPR board sheet of polypropylene random copolymer

[82] (I) Base] layer: gymnastics of 2-laver laminated sheet laminated with short fiber upper layer

Recycling chip 30 weight ¾ block copolymer prepared in Preparation Example (Polymer Future,

EP-300C) 80% by weight, 30% by weight of wood powder, antioxidant (brand names: 1010, 1076,

Supplier: Shinwon Chemical) 0.2% by weight of lubricant (stabilizer) (trade name: CA-ST Supplier Shinwon Chemical) 0.08% by weight of carbon black 0.2% by weight And 45 wt% of polyester fiber ^« ¾ and After mixing and opening 55 weight <¾ of heat-melting fluorocarbon fiber, the mat manufactured by passing through a cylindrical cylindrical carding machine was laminated on the top and chopped with a needle needle and distributed to 250 ^. supply to l70 ^o C, 200 ° C, 230 ^o is passed through a respective pre-heating roller at a temperature of C at a rate of 8M / min were prepared of 8 mm thick sheet, again 90 ^o C in an air cool zone 8M / 6 mm thick sheet was produced by passing through a speed of min, and passed through a water cool zone of 50 ° C at a speed of 8M / min, and a water cool zone of 30 ° C through a speed of 8M / min. 4 mm thick laminated sheet was prepared.

The prepared laminated sheet was sufficiently impregnated in a flame retardant solution, taken out, and dried by drying at 130 ° C. for 30 minutes.

The flame retardant is 30% by weight of methyl cellulose, 12% by weight boric acid borax 8%,

Prepared.

[86] (2) Base: Multi-fiber upper limb: Gymnastics of 3-laver red sheet after lamination to lower intestinal mucosa.

[87] Block weight of recycled chips prepared in the above production example ^<3 , block copolymer (polymer,

EP-300C) 80% by weight>, wood powder 30% by weight, antioxidant (brand names: 1010, 1076,

Supplier: Shinwon Chemical) 0.2% by weight of lubricant (stabilizer) (Trade name: CA-ST Supplier Shinwon Chemical) 0.08% by weight Carbon black 0.2% by weight by kneading extruder 4.0 mm thick _: 1000 mni To prepare the material, 45% by weight of polyester fiber and 55% by weight of heat-soluble fluoroplastic fiber were mixed and opened, and the mat manufactured by passing through a cylindrical cylindrical carding machine was laminated on the top and compacted with a needle needle. g / m ^! in

The base layer was mixed with 55% by weight of polyethylene fibers 55 wt% and 45% by weight of polyester fibers in the upper fibrous upper layer, and the mat formed by passing through a cylindrical cylindrical carding machine was laminated on the lower part with a needle needle. After it was distributed at 40 g / m ', it was supplied to the srampable sheet manufacturing apparatus and passed through rollers preheated at 170 ° C, 200 ° C, and 230 ° C, respectively, at a speed of 8M / min, 20 mm thick. Sheet was prepared, and the air cool zone of 90 ° C. was passed through at a speed of 8 M / min to prepare a sheet having a thickness of 15 mm, and the water cool zone of 50 ° C. was passed at a speed of 8 M / min. A water cool zone of 30 ° C. was passed at a rate of 8 M / min to finally produce a 10 mm thick laminated sheet.

The prepared laminated sheet was sufficiently impregnated with a flame retardant solution, taken out, and dried at 130 ^° C. for 30 minutes to prepare.

The flame retardant solution is 30% by weight of methyl salulose, 12% by weight boric acid borax 8%,

50 parts by weight of sodium silicate is mixed with 100 parts by weight of a mixture of _{0 5} _{% by} weight of sodium hydroxide, 8.5% by weight of triphenylphosphate, and 41% by weight of water.

Prepared.

[90] [symbol description] Kipil Director General

Layered

Claims

Claim

1) brushed layer of polyester; and polypropylene (PP) or

Preliminary milling a multi-layered automobile interior sheet waste comprising a bottom layer of polyethylene (PE) to produce a preliminary mill;

2) melting the preliminary pulverized product to satisfy the following formula 1 to prepare a molten extrudates in the degree (T _P );

I ： Equation 1!

Tm ^! <ΐι '<ΤΠΓ' (: is the melting point of the bottom layer. Tm ² is the nasal melting point and, is the melting degree.)

3) cooling the molten extrudate to form a sheet; and

4) pulverizing the molded sheet phase and sorting by particle size; Method for manufacturing a recycled chip (chip) using the vehicle interior sheet waste comprising a.

The method of claim 1,

The multi-layered car interior sheet of step 1) further comprises any one or more kinds of fillers selected from wood powder, talc, calcium carbonate, carbon black, stabilizer, master batch, antibacterial and odor remover. How to make recycled chips using sheet waste.

The method of claim 1,

The preliminary grinding of step 1) is a method of manufacturing a recycling chip using waste sheets in automobiles, characterized by grinding in the range of 20 to 30 vertically.

In accordance with claim 1.

Melting temperature (T _P ) of step 2) is 180 to 250 ° C characterized in that the manufacturing method of the recycling chip (chip) using the vehicle interior sheet waste.

In paragraph 1,

The method of manufacturing a recycling chip using the vehicle interior sheet waste, characterized in that the sheet phase of step 3) has a thickness of 2 to 5.

In paragraph 5,

After the step 3), the molded sheet is a manufacturing method of a recycling chip (chip) using the vehicle interior sheet waste, characterized in that it further comprises the step of cutting in the range of 100 to 350.

According to claim 1, 4) The method of manufacturing a recycling chip (chip) using the ¾ long sheet waste, characterized in that the grinding of the particle size of 2 to 10 匪 crushing.

According to any one of claims 1 to 7, wherein the car interior sheet waste is defective products generated in the production process of the car interior sheet, scraper (scraper) generated in the process of processing the car interior sheet or their A method for manufacturing a recycled chip using waste materials for automobile interiors, characterized in that the compound. The method of claim 8,

The scraper is a wood board scraper or a polypropylene random copolymer scraper (PPR board scraper) characterized in that the manufacturing method of the recycling chip (chip) using the waste sheet of the car interior .

8. The method of claim 1, wherein the recycling chip has a particle size of 2 to 10 Dim.

A recycling chip using waste materials for automobile interior manufactured by the manufacturing method according to any one of claims 1 to 7. Substrate layer comprising a recycling chip (chip) using the vehicle interior waste according to claim 11; And at least one surface layer selected from a film layer and a fiber layer on one or both surfaces of the substrate layer in a single layer or multiple layers.

The method of claim 12,

The film layer is an adhesive layer on top of the film layer; Film base layer; Printed layer; Laminated sheet for automotive interior materials that further laminated a color layer consisting of a coating layer.

The method of claim 13,

The color worm is a laminated sheet for automotive interior material having a thickness of 0.01 to 3 匪.

The method of claim 12,

The laminated sheet is a substrate layer, a film layer on the upper substrate layer, a laminated sheet for automotive interior materials is a fiber layer below the substrate layer.

The method according to any one of claims 12 to 15, wherein the base layer is based on 100 parts by weight of thermoplastic resin recycled chip (chip) using waste of car interior sheet 10 to 1 ² 5 parts by weight, filler 10 to 110 It is prepared by melting and extruding into 0.5 to 6.0 mm 3 sheet form by mixing the parts by weight and 0.5 to 5.0 parts by weight of the processing aid Laminated sheet for automotive interior materials.

The method of claim 12,

The film layer is a chlorinated polypropylene (Chlorinated Polypropylene) laminated sheet for automotive interior materials.

The method of claim 12,

The fiber layer is 150 to 450 g / m ^! The short-fiber layer consisting of a non-woven fabric or woven fabric, polyester fiber yarn is a long-fiber layer consisting of a nonwoven or woven fabric distributed in 20 to 80 g / n, or a mixed layer thereof. The method of claim 18,

The polyester fiber yarn is a low-melting thermoplastic resin fiber 30 to 95 weight ^< ¾ and a high melting point thermoplastic resin hollow fiber 5 to 70% by weight of the laminated sheet for the automotive interior.

The method of claim 19,

The low melting point thermoplastic resin fiber is at least one selected from polyethylene, polypropylene, polyvinyl chloride, polyester, polyethylene-polyester copolymer, and the high melting point thermoplastic hollow fiber is polyester-based or polyethylene-based ， Laminated sheet for automobile interior which is at least one selected from nylon and heat-soluble fluorocarbon resins.

The laminated sheet for automobile interior materials according to any one of claims 12 to 15, wherein the laminated sheet is manufactured by impregnating flame retardant "¾.

The method of claim 21,

The flame retardant liquid is methylcellulose 20 to 40% by weight>, boric acid 10 to 15% by weight, borax 5 to 10%, sodium hydroxide 0.01 to 1.0% by weight ^< ¾, triphenyl phosphate L to 10% by weight and water 40 to 60 10 to 50 parts by weight of sodium silicate based on 100 parts by weight of the mixed solution in which the weight% is mixed.