JP2003192827A - Method for peeling resin molded product composite - Google Patents
Method for peeling resin molded product compositeInfo
- Publication number
- JP2003192827A JP2003192827A JP2001397719A JP2001397719A JP2003192827A JP 2003192827 A JP2003192827 A JP 2003192827A JP 2001397719 A JP2001397719 A JP 2001397719A JP 2001397719 A JP2001397719 A JP 2001397719A JP 2003192827 A JP2003192827 A JP 2003192827A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- peeling
- porous material
- composite
- solvent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 57
- 229920005989 resin Polymers 0.000 title claims abstract description 41
- 239000011347 resin Substances 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000011148 porous material Substances 0.000 claims abstract description 53
- 239000002904 solvent Substances 0.000 claims abstract description 41
- 229920005672 polyolefin resin Polymers 0.000 claims abstract description 25
- 238000009210 therapy by ultrasound Methods 0.000 claims abstract description 8
- 238000004381 surface treatment Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 30
- -1 polypropylene Polymers 0.000 claims description 9
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- 238000011282 treatment Methods 0.000 claims description 6
- 239000004743 Polypropylene Substances 0.000 claims description 5
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical class CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 5
- 229920001155 polypropylene Polymers 0.000 claims description 5
- 238000003851 corona treatment Methods 0.000 claims description 2
- WVDDGKGOMKODPV-ZQBYOMGUSA-N phenyl(114C)methanol Chemical compound O[14CH2]C1=CC=CC=C1 WVDDGKGOMKODPV-ZQBYOMGUSA-N 0.000 claims description 2
- 238000009832 plasma treatment Methods 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 239000000758 substrate Substances 0.000 abstract description 4
- 206010040844 Skin exfoliation Diseases 0.000 description 20
- 230000000052 comparative effect Effects 0.000 description 12
- 239000000853 adhesive Substances 0.000 description 9
- 230000001070 adhesive effect Effects 0.000 description 9
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 8
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000006260 foam Substances 0.000 description 6
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 4
- 239000005977 Ethylene Substances 0.000 description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 239000011256 inorganic filler Substances 0.000 description 4
- 229910003475 inorganic filler Inorganic materials 0.000 description 4
- 238000004506 ultrasonic cleaning Methods 0.000 description 3
- 239000004711 α-olefin Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 235000019445 benzyl alcohol Nutrition 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- 108700042918 BF02 Proteins 0.000 description 1
- 102100033040 Carbonic anhydrase 12 Human genes 0.000 description 1
- 101000867855 Homo sapiens Carbonic anhydrase 12 Proteins 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 125000004018 acid anhydride group Chemical group 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Treatments Of Macromolecular Shaped Articles (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
Description
【０００１】[0001]
【技術分野】本発明は，オレフィン樹脂の樹脂成形体複
合物から多孔質材を剥離して，オレフィン樹脂を再利用
する方法に関する。TECHNICAL FIELD The present invention relates to a method for reusing an olefin resin by peeling a porous material from a resin-molded product composite of an olefin resin.
【０００２】[0002]
【従来技術】従来より，自動車部品であるインストルメ
ントパネル，ドアオープニングトリム，コンソールボッ
クス等には，ポリプロピレン等のオレフィン樹脂から成
る基材にウレタンフォーム，フェルト，テープ及び塗膜
等の接着物を接着させた樹脂成形体複合物が用いられて
いる。一方，近年の地球環境問題への関心の高さから，
上記樹脂成形体複合物からオレフィン樹脂をリサイクル
することが求められている。2. Description of the Related Art Conventionally, for automobile panels such as instrument panels, door opening trims, console boxes, etc., adhesive materials such as urethane foam, felt, tape and coating film are adhered to a base material made of olefin resin such as polypropylene. The resin molded product composite thus obtained is used. On the other hand, due to the high interest in global environmental issues in recent years,
It is required to recycle the olefin resin from the resin molded product composite.
【０００３】上記樹脂成形体複合物からポリプロピレン
等のオレフィン樹脂をリサイクルする場合には，上記基
材に接着する接着物を剥離する必要がある。上記基材か
ら上記接着物を剥離する方法としては，塗膜を形成した
樹脂成形体を液体中に浸漬させ，加熱処理する方法があ
る（特開平１０−１２８２２８）。この方法によれば，
樹脂成形体の表面に接着させた塗膜等の接着物を剥離す
ることができる。When an olefin resin such as polypropylene is recycled from the resin molded product composite, it is necessary to peel off the adhesive that adheres to the base material. As a method of peeling the adhesive from the base material, there is a method of immersing a resin molded body having a coating film in a liquid and heat-treating it (Japanese Patent Laid-Open No. 10-128228). According to this method,
An adhesive such as a coating film adhered to the surface of the resin molded body can be peeled off.
【０００４】[0004]
【解決しようとする課題】しかしながら，上記従来の方
法では，上記樹脂成形体複合物の基材の表面に接着させ
てあるウレタンフォーム，フェルト，スポンジ，各種発
泡樹脂材等の多孔質材は，完全には剥離されない。その
ため，上記従来の方法により樹脂成形体複合物から多孔
質材を剥離する場合には，機械的に剥離する必要があっ
た。それ故，工程数が増え，作業が複雑化し，オレフィ
ン樹脂を回収するためのコストが高くなるという問題が
あった。However, according to the above-mentioned conventional method, the porous material such as urethane foam, felt, sponge, and various foamed resin materials adhered to the surface of the base material of the above-mentioned resin molding composite is completely removed. Not peeled off. Therefore, when the porous material is peeled from the resin-molded body composite by the above-mentioned conventional method, it is necessary to peel it mechanically. Therefore, there are problems that the number of processes increases, the work becomes complicated, and the cost for recovering the olefin resin becomes high.
【０００５】また，特に多孔質材の剥離が問題となるの
は，上記基材の表面に，基材と多孔質材の接着性を向上
させるための表面処理が施されているときである。この
とき，上記樹脂成形体複合物から多孔質材を機械的に剥
離しようとしても，上記基材と多孔質材との接着が強
く，完全に剥離できない場合があった。そのため，上記
多孔質材を機械的に剥離した後に，上記従来の方法に
て，樹脂成形体複合物から多孔質材を剥離しようとして
も，多孔質材の剥離に長時間を要するだけでなく，完全
には剥離することができないという問題があった。Further, the peeling of the porous material becomes a problem especially when the surface of the substrate is subjected to a surface treatment for improving the adhesiveness between the substrate and the porous material. At this time, even if the porous material was mechanically peeled off from the resin molded body composite, the base material and the porous material were strongly bonded to each other, and the porous material could not be completely peeled off. Therefore, even if the porous material is mechanically peeled and then the porous material is peeled from the resin-molded body composite by the conventional method, it takes a long time to peel the porous material. There was a problem that it could not be completely peeled off.
【０００６】本発明は，かかる従来の問題点に鑑みてな
されたもので，短時間且つ低コストで，多孔質材が接着
されている樹脂成形体複合物から多孔質材を容易に剥離
することができる樹脂成形体複合物の剥離方法を提供し
ようとするものである。The present invention has been made in view of the above-mentioned conventional problems, and it is possible to easily peel a porous material from a resin molding composite to which the porous material is adhered, in a short time and at low cost. The present invention is intended to provide a method for peeling a resin-molded product composite, which can achieve the above.
【０００７】[0007]
【課題の解決手段】本発明は，オレフィン樹脂よりなる
基材の表面に，多孔質材を接着してなる樹脂成形体複合
物から上記多孔質材を剥離してオレフィン樹脂を再生利
用するための剥離方法であって，上記樹脂成形体複合物
を溶剤に浸漬すると共に，該溶剤中の樹脂成形体複合物
に対して超音波を付与する超音波処理を行うことを特徴
とする樹脂成形体複合物の剥離方法にある（請求項
１）。According to the present invention, an olefin resin is reused by separating the porous material from a resin-molded product composite obtained by adhering a porous material on the surface of a base material made of an olefin resin. A method of peeling, comprising immersing the resin-molded article composite in a solvent and performing ultrasonic treatment for applying ultrasonic waves to the resin-molded article composite in the solvent. There is a method for peeling an object (claim 1).
【０００８】本発明においては，上記樹脂成形体複合物
を溶剤に浸漬すると共に，浸漬した状態の樹脂成形体複
合物に対して超音波処理を行っている。そのため，上記
溶剤の化学的剥離作用及び超音波による物理的剥離作用
により，上記多孔質材を基材より容易且つ確実に剥離す
ることができる。また，強固に接着した多孔質材であっ
ても，容易に剥離することができる。In the present invention, the above-mentioned resin molded body composite is immersed in a solvent, and ultrasonic treatment is applied to the immersed resin molded body composite. Therefore, the porous material can be easily and surely peeled from the substrate by the chemical peeling action of the solvent and the physical peeling action by ultrasonic waves. Moreover, even a strongly adhered porous material can be easily peeled off.
【０００９】また，本発明においては，上述した従来の
方法のように，予め機械的に多孔質材を除去しておく必
要はなく，上記樹脂成形体複合物をそのまま溶剤に浸漬
し超音波処理を施せばよい。そのため，短時間且つ低コ
ストで，樹脂成形体複合物から多孔質材を剥離すること
ができる。Further, in the present invention, it is not necessary to mechanically remove the porous material in advance as in the conventional method described above, and the resin-molded body composite is directly immersed in a solvent and ultrasonically treated. Should be given. Therefore, the porous material can be peeled from the resin-molded body composite in a short time and at low cost.
【００１０】したがって，本発明によれば，短時間且つ
低コストで，多孔質材が接着されている樹脂成形体複合
物から多孔質材を容易に剥離することができる樹脂成形
体複合物の剥離方法を提供することができる。尚本発明
において，接着は，接着剤による接着，及び樹脂の溶融
による融着を含む概念である。Therefore, according to the present invention, it is possible to easily peel the porous material from the resin molding composite to which the porous material is adhered, in a short time and at low cost. A method can be provided. In the present invention, the term “adhesion” is a concept including adhesion by an adhesive and fusion by melting a resin.
【００１１】[0011]
【発明の実施の形態】本発明（請求項１）において，上
記基材としては，例えば，オレフィン樹脂とエチレン・
α−オレフィン共重合体と無機質フィラー等とからなる
ものがある。上記オレフィン樹脂は，オレフィンを
（共）重合した重合体であり，具体的には，例えばポリ
プロピレン，ポリエチレン，ポリブチレン等がある。ま
た，上記オレフィン樹脂は，１種又は２種以上からな
る。尚，上記オレフィン樹脂はオレフィン（共）重合体
にエポキシ基，酸無水物基，カルボン酸金属錯体等の官
能基を有するモノマーを導入して得られるオレフィン系
（共）重合体であってもよい。BEST MODE FOR CARRYING OUT THE INVENTION In the present invention (Claim 1), examples of the base material include olefin resin and ethylene.
Some are composed of an α-olefin copolymer and an inorganic filler. The olefin resin is a polymer obtained by (co) polymerizing an olefin, and specifically, for example, polypropylene, polyethylene, polybutylene and the like. Moreover, the said olefin resin consists of 1 type (s) or 2 or more types. The olefin resin may be an olefin (co) polymer obtained by introducing a monomer having a functional group such as an epoxy group, an acid anhydride group or a carboxylic acid metal complex into an olefin (co) polymer. .
【００１２】また，上記エチレン・α−オレフィン共重
合体としては，例えば，エチレンプロピレン共重合体
（ＥＰＭ），エチレンブチレン共重合体（ＥＢＭ），エ
チレンオクテン共重合体（ＥＯＭ）等がある。また，上
記無機質フィラーとしては，例えばタルク，炭酸カルシ
ウム，マイカ，ワラストナイト，ガラス繊維等がある。Examples of the ethylene / α-olefin copolymer include ethylene propylene copolymer (EPM), ethylene butylene copolymer (EBM) and ethylene octene copolymer (EOM). Examples of the inorganic filler include talc, calcium carbonate, mica, wollastonite, glass fiber and the like.
【００１３】また，このような上記基材としては，例え
ば，オレフィン樹脂４０〜９０重量％，エチレン・α−
オレフィン二元共重合体５〜３０重量％，無機質フィラ
ー５〜３０重量％からなるものがある。Examples of the above-mentioned base material include, for example, 40 to 90% by weight of olefin resin and ethylene / α-
Some are composed of 5 to 30% by weight of an olefin binary copolymer and 5 to 30% by weight of an inorganic filler.
【００１４】また，上記基材は，オレフィン樹脂，エチ
レン・α−オレフィン共重合体，無機フィラーの他に熱
可塑性エラストマー等を含有していてもよい。上記熱可
塑性エラストマーとしては，例えばスチレン・エチレン
・ブチレン・スチレン（ＳＥＢＳ）等のスチレン系エラ
ストマー等がある。Further, the base material may contain a thermoplastic elastomer in addition to the olefin resin, the ethylene / α-olefin copolymer and the inorganic filler. Examples of the thermoplastic elastomer include styrene-based elastomers such as styrene, ethylene, butylene, styrene (SEBS).
【００１５】また，上記多孔質材としては，例えば，ウ
レタンフォーム，フェルト，スポンジ，各種発泡樹脂材
等がある。Examples of the porous material include urethane foam, felt, sponge, and various foamed resin materials.
【００１６】また，本発明の樹脂成形体複合物として
は，インストルメントパネル，ドアオープニングトリ
ム，コンソールボックス等の自動車部品，或いは各種イ
ンテリア部品，電気機器部品等がある。これらの樹脂成
形体複合物は，その剥離処理に当たって，これをそのま
まの形で処理することができるが，予め，例えば３ｃｍ
〜３０ｃｍの所望の大きさに破砕しておくことが好まし
い。この場合には，破砕面において，基材と多孔質材と
の接触部分と，上記溶剤との接触面積が増加するため，
短時間で，多孔質材を剥離することができる。The resin molded product composite of the present invention includes automobile parts such as instrument panels, door opening trims, console boxes, various interior parts, and electric equipment parts. These resin-molded body composites can be treated as they are in the peeling treatment, but they can be processed in advance, for example, 3 cm.
It is preferable to crush to a desired size of -30 cm. In this case, the contact area between the base material and the porous material and the contact area with the solvent on the crushed surface increase,
The porous material can be peeled off in a short time.
【００１７】また，上記超音波処理において付与する超
音波は，周波数が３５ｋＨｚで出力が２００〜６００Ｗ
であることが好ましい。上記出力が２００Ｗ未満の場合
には，剥離が不充分となるおそれがある。一方，出力が
６００Ｗを超えても，それに見合う効果は少ない。The ultrasonic wave applied in the ultrasonic treatment has a frequency of 35 kHz and an output of 200 to 600 W.
Is preferred. If the output is less than 200 W, peeling may be insufficient. On the other hand, even if the output exceeds 600 W, there is little effect corresponding to it.
【００１８】また，上記溶剤は，オレフィン樹脂から成
る基材を腐食させず，多孔質材の剥離能を有し，接着部
分を膨張または溶解させる効果を有する。Further, the above-mentioned solvent does not corrode the base material made of the olefin resin, has the ability to remove the porous material, and has the effect of expanding or dissolving the adhesive portion.
【００１９】次に，上記オレフィン樹脂は，ポリプロピ
レンであることが好ましい（請求項２）。この場合に
は，本発明の効果を充分に発揮することができる。Next, the olefin resin is preferably polypropylene (claim 2). In this case, the effect of the present invention can be sufficiently exerted.
【００２０】次に，上記溶剤は，Ｎ−メチル−２−ピロ
リドン，ベンジルアルコール，プロピレングリコール誘
導体のいずれか１種以上を含有することが好ましい（請
求項３）。この場合には，上記樹脂成形体複合物から多
孔質材をさらに短時間で容易に剥離することができる。Next, the solvent preferably contains at least one of N-methyl-2-pyrrolidone, benzyl alcohol and propylene glycol derivative (claim 3). In this case, the porous material can be easily peeled from the resin molded body composite in a shorter time.
【００２１】次に，上記基材の表面には，該基材と上記
多孔質材との接着性を向上させるための表面処理が施さ
れていることが好ましい（請求項４）。この場合には，
上記基材の表面濡れ性が向上し，該基材と上記多孔質材
とが強く接着しているが，本発明の効果を充分に発揮す
ることができる。Next, it is preferable that the surface of the base material is subjected to a surface treatment for improving the adhesiveness between the base material and the porous material (claim 4). In this case,
Although the surface wettability of the base material is improved and the base material and the porous material are strongly adhered to each other, the effects of the present invention can be sufficiently exhibited.
【００２２】次に，上記表面処理は，プライマー処理，
フレーム処理，コロナ放電処理，プラズマ処理のいずれ
か１つ又は２つ以上を組み合わせたものであることが好
ましい（請求項５）。この場合には，上記基材と多孔質
材とが強く接着しているが，本発明の効果を充分に発揮
することができる。Next, the surface treatment is a primer treatment,
It is preferable that any one of flame treatment, corona discharge treatment, and plasma treatment or a combination of two or more thereof is used. In this case, the base material and the porous material are strongly adhered, but the effect of the present invention can be sufficiently exhibited.
【００２３】[0023]
【実施例】（実施例１）以下に，図１を用いて本発明の
実施例について説明する。本例の樹脂成形体複合物の剥
離方法は，図１に示すごとくオレフィン樹脂よりなる基
材２の表面に，多孔質材としてのポリウレタンフォーム
３５及びフェルト３６を接着してなる樹脂成形体複合物
１から上記多孔質材を剥離する方法である。本例の剥離
方法においては，上記樹脂成形体複合物１を溶剤に浸漬
すると共に，該溶剤中の樹脂成形体複合物１に対して超
音波を付与する超音波処理を行う。上記多孔質材を剥離
した基材２は，オレフィン樹脂として再生利用する。Embodiment (Embodiment 1) An embodiment of the present invention will be described below with reference to FIG. As shown in FIG. 1, the method for peeling a resin molded body composite according to the present invention is a resin molded body composite obtained by bonding a polyurethane foam 35 and a felt 36 as a porous material to the surface of a base material 2 made of an olefin resin. It is a method of peeling the above porous material from 1. In the peeling method of this example, the resin molded body composite 1 is immersed in a solvent, and an ultrasonic treatment for applying ultrasonic waves to the resin molded body composite 1 in the solvent is performed. The base material 2 from which the porous material has been peeled off is reused as an olefin resin.
【００２４】以下，本例につき詳細に説明する。まず，
上記樹脂成形体複合材料として，自動車のインストルメ
ントパネルを準備した。この樹脂成形体複合材料１は，
図１に示すごとく，オレフィン樹脂よりなる基材２の表
面に多孔質材としてのウレタンフォーム３５が接着して
ある。なお，上記基材２の表面の一部には塗膜３１が，
また，上記基材２とウレタンフォーム３５との間にはテ
ープ３３が接着してある。また，上記基材２の裏面側に
は多孔質材としてのフェルト３６が接着してある。ま
た，上記基材２の表面は，フレーム処理が施され表面濡
れ性が向上している。This example will be described in detail below. First,
An automobile instrument panel was prepared as the above-mentioned resin molded composite material. This resin molding composite material 1
As shown in FIG. 1, a urethane foam 35 as a porous material is adhered to the surface of a base material 2 made of an olefin resin. A coating film 31 is formed on a part of the surface of the base material 2.
A tape 33 is bonded between the base material 2 and the urethane foam 35. A felt 36 as a porous material is adhered to the back surface side of the base material 2. Further, the surface of the base material 2 is subjected to a frame treatment to improve the surface wettability.
【００２５】次に，上記樹脂成形体複合材料１から異物
を簡単に除去し，破砕機にて約５〜２０ｃｍ角の大きさ
に破砕した。また，Ｎ−メチル−２−ピロリドンを含有
する溶剤として，山一化学工業株式会社製の「ＩＢＰク
リーナー５」（試作ナンバー）を準備し，この溶剤を超
音波洗浄装置の洗浄タンクに注入した。続いて，この溶
剤の中に上記破砕した樹脂成形体複合材料１を浸漬し
た。なお，超音波洗浄装置としては，ブラザー株式会社
製のＥ２−３２５を用いた。Next, foreign matter was simply removed from the resin molded composite material 1 and crushed by a crusher to a size of about 5 to 20 cm square. As a solvent containing N-methyl-2-pyrrolidone, "IBP cleaner 5" (prototype number) manufactured by Yamaichi Chemical Co., Ltd. was prepared, and this solvent was injected into the cleaning tank of the ultrasonic cleaning device. Subsequently, the crushed resin molded body composite material 1 was immersed in this solvent. As the ultrasonic cleaning device, E2-325 manufactured by Brother Co. was used.
【００２６】次に，上記溶剤中の樹脂成形体複合物に対
して，周波数が３５ｋＨｚで出力が６００Ｗの超音波を
１０分，２０分，３０分，６０分間付与し，そのときの
溶剤の温度，及び多孔質材の剥離状態を調べた。剥離状
態は目視により行い，剥離前と全く変化がないものを
×，一部剥離しかけているものを△，８０％以上剥離し
ているものを○，接着物の残存が確認されないものを◎
として判定した。その結果を表１に示す。Next, ultrasonic waves having a frequency of 35 kHz and an output of 600 W are applied to the resin molded product composite in the solvent for 10 minutes, 20 minutes, 30 minutes and 60 minutes, and the temperature of the solvent at that time is applied. , And the peeling state of the porous material was examined. The peeling condition is visually observed. × shows that there is no change from before peeling, △ indicates that it is partially peeling, ○ indicates that 80% or more is peeled off, and ◎ indicates that no adhesive remains.
Was judged as. The results are shown in Table 1.
【００２７】（比較例１）本例においては，実施例１の
樹脂成形体複合物１を超音波を用いずに剥離する例を示
す。超音波を用いない点を除いては，実施例１と同様で
ある。なお，本例では，上記樹脂成形体複合物を溶剤に
室温（２２℃）で，１０〜６０分間浸漬した。その結果
を表１に示す。(Comparative Example 1) In this example, an example is shown in which the resin-molded body composite 1 of Example 1 is peeled off without using ultrasonic waves. Same as Example 1 except that ultrasonic waves are not used. In this example, the resin molded body composite was immersed in a solvent at room temperature (22 ° C) for 10 to 60 minutes. The results are shown in Table 1.
【００２８】（比較例２）本例においては，比較例１と
同様に，実施例１の樹脂成形体複合物を超音波を用いず
に剥離する例を示す。なお，本例では，上記樹脂成形体
複合体を６５℃に加温した溶剤に１０〜６０分間浸漬し
た。その結果を表１に示す。(Comparative Example 2) In this example, as in Comparative Example 1, an example is shown in which the resin molded composite of Example 1 is peeled off without using ultrasonic waves. In this example, the resin molded body composite was immersed in a solvent heated to 65 ° C. for 10 to 60 minutes. The results are shown in Table 1.
【００２９】[0029]
【表１】 [Table 1]
【００３０】表１より知られるごとく，実施例１では，
超音波洗浄装置を作動させた後３０分で，上記多孔質材
はほとんど完全に剥離していた。実施例１では，該多孔
質材を予め機械的に剥離する必要がないため，低コスト
でオレフィン樹脂を回収することができる。一方，比較
例１及び比較例２では，６０分後に多孔質材の８０％以
上の剥離が確認されたが，完全に剥離するには至らなか
った。As can be seen from Table 1, in the first embodiment,
The porous material was almost completely peeled off 30 minutes after the ultrasonic cleaning device was operated. In Example 1, since it is not necessary to mechanically peel the porous material in advance, the olefin resin can be recovered at low cost. On the other hand, in Comparative Examples 1 and 2, peeling of 80% or more of the porous material was confirmed after 60 minutes, but it could not be completely peeled.
【００３１】また，実施例１において，上記樹脂成形体
複合物１は，多孔質材の他に上記塗膜３１，テープ３３
を接着物として有していたが，これらの接着物は，上記
多孔質材と同様に，３０分後には剥離していた。In addition, in Example 1, the resin-molded body composite 1 includes the coating film 31 and the tape 33 in addition to the porous material.
As the adhesive, these adhesives were peeled off after 30 minutes, like the porous material.
【００３２】また，実施例１，比較例１及び比較例２よ
り知られるごとく，実施例１の効果は，溶剤の温度によ
るものではなく，溶剤と超音波処理とを組み合わせるこ
とによって生じたものであることがわかる。Further, as is known from Example 1, Comparative Example 1 and Comparative Example 2, the effect of Example 1 is not caused by the temperature of the solvent but is caused by the combination of the solvent and the ultrasonic treatment. I know there is.
【００３３】このように，実施例１によれば，短時間且
つ低コストで，多孔質材が接着されている樹脂成形体複
合物から多孔質材を容易に剥離することができる樹脂成
形体複合物の剥離方法を提供することができる。As described above, according to the first embodiment, the resin-molded body composite capable of easily peeling the porous material from the resin-molded body composite to which the porous material is bonded in a short time and at low cost. A method for peeling an object can be provided.
【００３４】（実施例２）本例においては，実施例１の
樹脂成形体複合物をプロピレングリコール誘導体を含有
する溶剤に浸漬し超音波処理を施して剥離する例を示
す。溶剤の種類を変えた点を除いては，実施例１と同様
である。なお，本例では，上記溶剤として，山一化学工
業株式会社製の「ＩＢＰクリーナーＤＰ−３」（試作ナ
ンバー）を用いた。その結果を表２に示す。(Example 2) In this example, the resin-molded body composite of Example 1 is immersed in a solvent containing a propylene glycol derivative, subjected to ultrasonic treatment, and peeled. Same as Example 1 except that the type of solvent was changed. In this example, "IBP cleaner DP-3" (prototype number) manufactured by Yamaichi Chemical Co., Ltd. was used as the solvent. The results are shown in Table 2.
【００３５】（比較例３）本例においては，実施例１の
樹脂成形体複合物１を超音波を用いずに，プロピレング
リコール誘導体を含有する溶剤に浸漬して剥離する例を
示す。溶剤の種類を変えた点を除いては，比較例１と同
様であり，室温２２℃で１０〜６０分間浸漬した。な
お，本例では，上記溶剤として実施例２と同様のものを
用いた。その結果を表２に示す。(Comparative Example 3) In this example, an example is shown in which the resin-molded body composite 1 of Example 1 is immersed in a solvent containing a propylene glycol derivative and peeled off without using ultrasonic waves. It was the same as Comparative Example 1 except that the type of solvent was changed, and the immersion was performed at room temperature of 22 ° C. for 10 to 60 minutes. In this example, the same solvent as in Example 2 was used as the solvent. The results are shown in Table 2.
【００３６】[0036]
【表２】 [Table 2]
【００３７】表２より知られるごとく，実施例２では，
プロピレングリコール誘導体を含有する溶剤を用いた場
合でも，６０分後に多孔質材がほぼ剥離していることが
確認された。一方，比較例３では，６０分経過後でも，
多孔質材が剥離する様子は全く確認できなかった。As known from Table 2, in the second embodiment,
Even when the solvent containing the propylene glycol derivative was used, it was confirmed that the porous material was almost peeled off after 60 minutes. On the other hand, in Comparative Example 3, even after 60 minutes,
It was not possible to confirm that the porous material peeled off.
【００３８】（実施例３）本例においては，実施例１の
樹脂成形体複合物１をベンジルアルコールを含有する溶
剤に浸漬して剥離する例を示す。溶剤の種類を変えた点
を除いては，実施例１と同様である。なお，本例では，
上記溶剤としては，ベンジルアルコール，過酸化水素と
石油系高沸点溶剤の混合物，及び水を，それぞれ３０重
量％，２０重量％，５０重量％の割合で混合したものを
用いた。その結果を表３に示す。(Example 3) In this example, an example is shown in which the resin molded body composite 1 of Example 1 is immersed in a solvent containing benzyl alcohol and peeled off. Same as Example 1 except that the type of solvent was changed. In this example,
The solvent used was benzyl alcohol, a mixture of hydrogen peroxide and a petroleum-based high boiling point solvent, and water mixed at a ratio of 30% by weight, 20% by weight, and 50% by weight, respectively. The results are shown in Table 3.
【００３９】（比較例４）本例においては，実施例１の
樹脂成形体複合物１を超音波を用いずに，ベンジルアル
コール誘導体を含有する溶剤に浸漬して剥離する例を示
す。溶剤の種類を変えた点を除いては，比較例１と同様
であり，室温２２℃で１０〜６０分間浸漬した。。な
お，本例では，上記溶剤として実施例３と同様のものを
用いた。その結果を表３に示す。(Comparative Example 4) In this example, an example is shown in which the resin-molded body composite 1 of Example 1 is immersed in a solvent containing a benzyl alcohol derivative and peeled off without using ultrasonic waves. It was the same as Comparative Example 1 except that the type of solvent was changed, and the immersion was performed at room temperature of 22 ° C. for 10 to 60 minutes. . In this example, the same solvent as in Example 3 was used as the solvent. The results are shown in Table 3.
【００４０】[0040]
【表３】 [Table 3]
【００４１】表３より知られるごとく，実施例３では，
ベンジルアルコール誘導体を含有する溶剤を用いた場合
でも，多孔質材は６０分後に充分に剥離していることが
確認された。一方，比較例４では，６０分経過後も残存
する多孔質材が確認された。As is known from Table 3, in the third embodiment,
It was confirmed that the porous material was sufficiently exfoliated after 60 minutes even when the solvent containing the benzyl alcohol derivative was used. On the other hand, in Comparative Example 4, the porous material remaining after 60 minutes was confirmed.
【図１】実施例にかかる，樹脂成形体複合物を示す説明
図。FIG. 1 is an explanatory view showing a resin molded body composite according to an example.
１．．．樹脂成形体複合物， ２．．．基材， ３１．．．塗膜， ３３．．．テープ， ３５．．．ウレタンフォーム， ３６．．．フェルト， 1. ． ． Resin molding composite, 2. ． ． Base material, 31. ． ． Paint film, 33. ． ． tape, 35. ． ． Urethane foam, 36. ． ． felt,
───────────────────────────────────────────────────── フロントページの続き (72)発明者 堀場 幸彦 愛知県西春日井郡春日町大字落合字長畑１ 番地 豊田合成株式会社内 (72)発明者 小林 敏幸 愛知県豊田市トヨタ町１番地 トヨタ自動 車株式会社内 (72)発明者 大田 城裕 愛知県豊田市トヨタ町１番地 トヨタ自動 車株式会社内 (72)発明者 山本 浩志 愛知県名古屋市西区丸野１丁目27番地 サ ンコー化学株式会社内 (72)発明者 清水 剛志 愛知県名古屋市西区丸野１丁目27番地 サ ンコー化学株式会社内 Ｆターム(参考） 4F073 AA21 BA06 BB04 EA21 EA22 4F301 AA12 BF02 BF06 BF31 CA09 CA12 ─────────────────────────────────────────────────── ─── Continued front page (72) Inventor Yukihiko Horiba Aichi Prefecture Kasuga-cho, Nishikasugai-gun Ochiai character Nagahata 1 Address within Toyoda Gosei Co., Ltd. (72) Inventor Toshiyuki Kobayashi 1 Toyota Town, Toyota City, Aichi Prefecture Toyota Auto Car Co., Ltd. (72) Inventor Shirohiro Ota 1 Toyota Town, Toyota City, Aichi Prefecture Toyota Auto Car Co., Ltd. (72) Inventor Hiroshi Yamamoto 1-27 Maruno, Nishi-ku, Nagoya-shi, Aichi Nko Chemical Co., Ltd. (72) Inventor Takeshi Shimizu 1-27 Maruno, Nishi-ku, Nagoya-shi, Aichi Nko Chemical Co., Ltd. F term (reference) 4F073 AA21 BA06 BB04 EA21 EA22 4F301 AA12 BF02 BF06 BF31 CA09 CA12
Claims (5)
多孔質材を接着してなる樹脂成形体複合物から上記多孔
質材を剥離してオレフィン樹脂を再生利用するための剥
離方法であって，上記樹脂成形体複合物を溶剤に浸漬す
ると共に，該溶剤中の樹脂成形体複合物に対して超音波
を付与する超音波処理を行うことを特徴とする樹脂成形
体複合物の剥離方法。1. A surface of a base material made of an olefin resin,
A peeling method for reusing an olefin resin by peeling the porous material from a resin molded body composite obtained by adhering a porous material, comprising immersing the resin molded body composite in a solvent, A method for peeling a resin-molded body composite, which comprises subjecting a resin-molded body composite in a solvent to ultrasonic treatment for applying ultrasonic waves.
はポリプロピレンであることを特徴とする樹脂成形体複
合物の剥離方法。2. The method for peeling a resin-molded article composite according to claim 1, wherein the olefin resin is polypropylene.
Ｎ−メチル−２−ピロリドン，ベンジルアルコール，プ
ロピレングリコール誘導体のいずれか１種以上を含有す
ることを特徴とする樹脂成形体複合物の剥離方法。3. The solvent according to claim 1 or 2,
A method for peeling a resin-molded article composite, comprising at least one of N-methyl-2-pyrrolidone, benzyl alcohol, and a propylene glycol derivative.
上記基材の表面には，該基材と上記多孔質材との接着性
を向上させるための表面処理が施されていることを特徴
とする樹脂成形体複合物の剥離方法。4. The method according to claim 1, wherein
A method for peeling a resin-molded body composite, wherein the surface of the base material is subjected to a surface treatment for improving the adhesiveness between the base material and the porous material.
ライマー処理，フレーム処理，コロナ放電処理，プラズ
マ処理のいずれか１つ又は２つ以上を組み合わせたもの
であることを特徴とする樹脂成形体複合物の剥離方法。5. The resin molding according to claim 4, wherein the surface treatment is any one of primer treatment, flame treatment, corona discharge treatment, and plasma treatment, or a combination of two or more thereof. Method of peeling compound.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001397719A JP2003192827A (en) | 2001-12-27 | 2001-12-27 | Method for peeling resin molded product composite |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001397719A JP2003192827A (en) | 2001-12-27 | 2001-12-27 | Method for peeling resin molded product composite |
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ID=27603423
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016199718A (en) * | 2015-04-14 | 2016-12-01 | 地方独立行政法人山口県産業技術センター | Recycling method for polyolefin from polyolefin composite material |
| WO2020066652A1 (en) * | 2018-09-25 | 2020-04-02 | Dic株式会社 | Separation/recovery method for laminated film |
-
2001
- 2001-12-27 JP JP2001397719A patent/JP2003192827A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016199718A (en) * | 2015-04-14 | 2016-12-01 | 地方独立行政法人山口県産業技術センター | Recycling method for polyolefin from polyolefin composite material |
| WO2020066652A1 (en) * | 2018-09-25 | 2020-04-02 | Dic株式会社 | Separation/recovery method for laminated film |
| JPWO2020066652A1 (en) * | 2018-09-25 | 2021-01-07 | Dic株式会社 | Separation and recovery method of laminated film |
| US11987036B2 (en) | 2018-09-25 | 2024-05-21 | Dic Corporation | Separation/recovery method for laminated film |
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