TW546201B - Decorative backing and the separation method thereof - Google Patents

Abstract

This invention intends to provide a decorative backing constituted by a decorative layer and a core layer which are bonded together by adhesive and can be easily separated so as to easily achieve the object of recycling of resource. The decorative backing 1 is formed by a core layer 2 and a decorative layer 3 which are bonded together by an adhesive layer 4 interposed therebetween. The adhesive layer 4 is formed by a material which foams when being heated. The core layer 2 can be easily separated from the decorative layer 3 by applying a heating treatment to the decorative backing 1 so as to make the adhesive layer 4 foam. By thus, the core layer 2 and the decorative layer 3 constituting the decorative backing 1 may be easily separated for recycling purpose.

Description

546201

V. Description of the Invention (l) [Technical Field of the Invention] The present invention relates to a decorative substrate and a method for separating the same. [Knowledge technology] Particle i: ί two l already! People provide materials such as medium-density fiber substrates (m d f) or decorative materials such as chinoisuki or decorative steel plates to construct materials or furniture materials. Clothing substrates have been used as decorative materials in the manufacture of such decorative substrates. rInsults the adhesion of heartwood and, in recent years, due to the increase in environmental problems, or, etc., it is required to effectively use resources through the regeneration of industrial products. The decorative substrates shown in the requirements of decorative materials also require decorative materials. Or the core material, and profit: As mentioned above [the problem to be solved by the invention] It can be difficult to use the core material and wear allowance 4 bonded by adhesive in the past. Separation of clothing and materials department The present invention is directed to the above-mentioned problem, and a method for separating a decorative base material for separating a core material joined with an adhesive and an easy-to-separate material. Heart material and decoration of materials [Method for solving the problem] In the decorative substrate through item 1 of the scope of patent application according to the present invention] 546201 90122551 V. Description of the invention (2) _ :: = Layer: Connect the core material 2 and decoration In the decorative base material 1 made of the material 3, the ... 4 layers of the adhesive are formed by heating and foaming. In addition to the invention of the second item, in addition to the scope of patent application and structure, the decorative material 3 is made of resin sheet, @; fe is made of wooden substrate. ? τ month is month and heartwood 2 is 2; stone is used for 2: 2; 4 is used for decorative materials; 3 is used for decorative steel, and the core material is the same as the hairline of items 4 to 3 of the patent application. Structure "except for the second order, please apply for a patent. Use of a water-soluble adhesive 4 is the same as the application of the scope of the patent No. 5 of the hairpin any one of the 1 to 3 mistakes i It is made of adhesives of the standard ester type 4. In addition to the structure w, the method of bake or carbamic acid is used, which is characterized by: the installation of 6 items of the Shen! =! Brother, and the separation of the base material 1 Heat treatment and the special decoration material 3 of any one of the items 1 to 3. 7 After the liniment 4 is foamed, the structure of the sixth item is peeled from the core material 2, and the invention is: Except for the example of applying for a patent, the decorative material 3 is stripped from the core material 2 " The embodiment of the invention < the decorative substrate 1 after heat treatment >] The following describes the embodiment of the present invention $ 7Page 546201 Modification ^ S9〇122551 5 3. Description of the invention (3) As shown in FIG. 1 (a), the decorative base material 1 is constituted by bonding and a decorative material 3. The combination of Μ 5 ^ ^ 玉 饰 材料 3 is appropriately set according to the application. 1 ρ / Λ, for example, resin sheets can be used on Sang Yi # 3 and how can wood substrates such as Wll fiber substrates or particle boards be used, ^ Sang decorative steel plates and gypsum substrates on core material 2, The thickness of wood fiber printed on the resin sheet is ^ fiber /, 2, 4 for 900_χ 1800__ 12_ :, ':; steel sheet with a thickness of 5 is laminated with a thin tobacco sheet with a thickness of 2— Zhi = again 'About adhesive 4, use adhesive layer 4 = 2 and decorative material 3, and this adhesive layer 4 will ^ foam ^ core core when heated. Side adhesive 4 is used The water-soluble substance (emuisi) is better. In the case of the conventional construction method, the 弋 is used by using a laminator, etc. In this case, the material 3 is joined, and then pressurized with a press. Between the core material 2 and the decorative material 3, there are 4 spots of self-pulling adhesive 4 to disperse the hair, and the foam is not fully foamed at the adhesion engraving 4; _ Dizzy, the adhesive layer is formed into 4 layers. 钍 Suitable adhesive 4, which is not used in the same field-ordinary women's or urea hospital adhesives 4: The material can be mixed with foam Agents σ species ^ 4, Fork: b | Regarding ethylene-based adhesive 4, it can make the agent ... Use polyacetate-based polygalacid emulsion or polyether-based ammonia ^ τ 546201 __f number 90122551 car moon day repair inflammation_ —— V. Description of the invention (4) Ester emulsion, etc. Regarding the foaming sword mixed in the adhesive 4, either organic or inorganic can be used. Examples of the inorganic foaming agent include: Separate inorganic foaming agents such as ammonium carbonate, ammonium bicarbonate, ammonium nitrite, and ammonium hydride. As for inorganic foaming agents, there are fluorinated alkanes such as trichlorofluoromethane, azobisisobutyronitrile, etc. Azo compounds, hydrazine-based compounds such as p-toluenesulfonylhydrazine, urea-amino compounds such as p-methylphenylsulfonamidocarbazone, and N, N-dinitroso-p-phenylenedihydrazone Nitroso compounds such as amines, and other low-buddle solvents. When the core material 2 and the decorative material 3 are bonded using this adhesive 4, for example, the core material 2 can be applied with a spreading amount of 100 g / m2 to the material 2 and then the core material 2 can be laminated using a laminator or the like. It is joined to the decorative material 3. When separating the core material 2 and the decoration material 3 of the decoration base material 1 thus constituted, firstly, the heating of the decoration base material 1 below the carbonization temperature of the core material 2 or the decoration material 3 using a heating device having a far-infrared heater or the like . For example, when a medium-density fiber substrate having a carbonization temperature of about 260 ° C is used for the core material 2, it can be heated at a range of 170 to 180 ° C for 2 to 3 minutes. The heating temperature is based on the carbonization temperature of the decoration material 3 or the 4 layers of the adhesive: the choice of these materials can also be extended to heat treatment at about 120 t ", as shown in Figure 1 (b ) And become porous. Become porous: 妾 1 or the contact area of the decorative material 3 becomes smaller, and its strength with the core material 2 is also reduced, so the core material 2 and the decoration material 3 The easy / adhesive layer 4 itself, therefore, by peeling the heat-treated decorative base 546201 from the core material 2

The decorative material 3 can be easily separated from the core material 2 and the decorative material 3. Also # For the decorative substrate 1, the core material 2 and the decorative material 3 can be blown off from the core material 2 by blowing off the Pei decorative material 3. The knife is separated, and the decorative base 3 after heating is pulverized by using a pulverizer or the like for 2 minutes, the decorative material 3 or the core material 2 is pulverized, and the decorative material 3 and the core material 2 are separated. In this case, for example, as shown in Figure ι, by passing the decorative substrate 1 between a pair of crushing rollers 5, the decorative beauty can be crushed by applying stress. At this time, the decorative substrate j is applied with When crushing the soil, 'the decorative material 3 is peeled from the core material 2 using this stress.

In this crushing process, the crushed material 21 mixed with the decorative material 3 is obtained, but the crushed material 21 containing the crushed material 31 and the core material 2 is obtained as shown in FIG. 1 (d). The mixture was placed in a centrifugal stack 6 and the crushed product 31 of the decorative material 3 and the crushed product 21 were separated by using the difference in specific gravity. Then, as such, the self-decorative substrate] separates the heart 2 and the decorative material 3 for recycling.而 而 ί—As mentioned above ’By heating the decorative base material 1 powder # Heartwood 2 When peeling the decorative material 3, there is no need to use human labor to peel off the decoration

Ba μ Da 'automates the process of heating from the decorative substrate 1 to the blades 2 and 3 of the decorative material 3, which can improve the processing efficiency. [Effect of the invention] As shown in the above, this silk The decoration of the invention, such as the scope of application for the first item of the patent, is made by adhering the core material and the decoration material through the adhesive layer. The decoration is made by heating and foaming on the adhesive layer.

Page 10 546201 V. Description of the invention ⑹ — agent foaming, which can easily peel the decorative material from the core material, the core material or the dress material of the material can be easily separated as described in the second patent application. In addition to the structure of item # 1, it is possible to use a wooden substrate on the core material such as the patented M patent target in addition to wearing it, so that the component can be used and the substrate can be easily recycled. Which substrate is a tree moon or wood

® f ^ J ^ ^ Τ ^, i II Use of decorative steel plate on the core material and stone material on the core material and easy to paste the plate; ::: The decorative steel plate or stone wall constituting the decorative substrate can be used in items 1 to 3 In addition to the patent application, when the core material and the decorative material are used, when the core material and the decoration material such as the second bonding layer device are used, the core material and the decoration material are easily stacked. Pei Throw material can be bonded with 4 mesh & bed pressure, and it can be used as the month of any one of items 1 to 3 of the patent scope, except for the patent application.

Ester-based adhesives can be easily separated from the core material by foaming with ethylene-based or amino F-agents; heat-treated adhesive core materials or packaging materials can be separated to form The decoration base material is also the present invention, which makes T Beiyi lean again. Method, because of the separation of decorative substrates such as the application of ^, after the adhesive foam ... Material peeling: :: 546201 V. Description of the invention (7) ^ Will form the core material of the decorative substrate or Equipment. Decoration material separation π ^ < can be easily re-funded, as in the scope of patent application, the original circle of the 6th structure and recognized inventions, but not free, because by miscellaneous, π except for patent applications The core material can be separated from the decorative material, and the decorative base material can be peeled from the core material by 1 Λ heating treatment. The decorative base material can be pulverized with a grinder, etc., and will not be self-heated. ：： Process automation, τ is connected; 1 and the separation of decorative materials is cj 軚 咼 processing efficiency.处理 的 处理 第 12 页 546201 Case No.90122551 Modified drawing Brief description In the embodiment, the process of separating and assembling Figure 1 (a) ~ (d) shows the outline of each process of a decorative substrate of the present invention Section view. [Symbol description] Decorative base material Core material Decorative material Adhesive

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Claims (1)

Year (0 month > day 5462〇fJ pieces 18 ^ 90122551 car treatment meter range-material and acid ester series 2. decorative materials Jindou 3. decorative materials 4. Li-range contact hair 5. Among them, the core material is peeled into one, and its adhesion is as follows After applying the application, such as the application of the first to the third bubble, if the application is to decorate the decorative base material, the application is: the agent, and the patent scope resin sheet, and the patent scope decorative steel plate, decoration Any one of the items of the base material is peeled from the core material, and the patent scope is that of the heat-treated chair material. The core material and the adhesive layer are adhered by the adhesive layer, and the adhesive layer is formed of a material that foams when heated by using ethylene or carbamic acid. The decorative substrate of item 1, wherein the core material is made of a wooden substrate. The decorative substrate of item 1, wherein the core material is strong and the core material is a gypsum board / cloth separation method. It is characterized by applying heat treatment to a decorative substrate such as i = special decorative material. Then, the decorative base material which is separated from the decorative base material of item 4 is crushed.