JP2023503885A - ANTI-SLIP CONDUCTIVE RESIN COMPOSITION AND MOLDED PRODUCT CONTAINING THE SAME - Google Patents
ANTI-SLIP CONDUCTIVE RESIN COMPOSITION AND MOLDED PRODUCT CONTAINING THE SAME Download PDFInfo
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- 239000011342 resin composition Substances 0.000 title claims abstract description 31
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- 239000004840 adhesive resin Substances 0.000 claims abstract description 32
- 229920006223 adhesive resin Polymers 0.000 claims abstract description 32
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 16
- 239000000945 filler Substances 0.000 claims abstract description 15
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- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 10
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- KGRVJHAUYBGFFP-UHFFFAOYSA-N 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) Chemical compound CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O KGRVJHAUYBGFFP-UHFFFAOYSA-N 0.000 description 1
- 229920002799 BoPET Polymers 0.000 description 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
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- 239000004264 Petrolatum Substances 0.000 description 1
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- 239000004793 Polystyrene Substances 0.000 description 1
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 125000003668 acetyloxy group Chemical group [H]C([H])([H])C(=O)O[*] 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
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- 239000003208 petroleum Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- DOIRQSBPFJWKBE-UHFFFAOYSA-N phthalic acid di-n-butyl ester Natural products CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
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- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- GRJISGHXMUQUMC-UHFFFAOYSA-N silyl prop-2-enoate Chemical compound [SiH3]OC(=O)C=C GRJISGHXMUQUMC-UHFFFAOYSA-N 0.000 description 1
- 239000012748 slip agent Substances 0.000 description 1
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- 150000007970 thio esters Chemical class 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- AZSKHRTUXHLAHS-UHFFFAOYSA-N tris(2,4-di-tert-butylphenyl) phosphate Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(=O)(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C AZSKHRTUXHLAHS-UHFFFAOYSA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/041—Carbon nanotubes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/042—Graphene or derivatives, e.g. graphene oxides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
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- Polymers & Plastics (AREA)
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Abstract
滑り防止機能を持つ伝導性樹脂組成物及びそれを含む成形品に関し、滑り防止のために粘着剤をコーティングしたり伝導性を付与するために帯電防止剤を添加する従来の方式と異なり、高い表面摩擦力を提供できる粘着性樹脂に炭素充填材を含むことで低い表面抵抗を提供して優れた伝導性を提供する。【選択図】図1Regarding the conductive resin composition with anti-slip function and the molded product containing it, unlike the conventional method of coating adhesive to prevent slipping or adding antistatic agent to impart conductivity, it has a high surface The inclusion of a carbon filler in the adhesive resin, which can provide frictional force, provides low surface resistance and excellent conductivity. [Selection drawing] Fig. 1
Description
本発明は、滑り防止機能を持つ伝導性樹脂組成物及びそれを含む成形品に関し、滑り防止のために粘着剤をコーティングしたり伝導性を付与するために帯電防止剤を添加する従来の方式と異なり、高い表面摩擦力を提供できる粘着性樹脂に炭素充填材を含むことで低い表面抵抗を提供して優れた電気伝導性を提供する技術に関する。 The present invention relates to a conductive resin composition having an anti-slip function and a molded product containing the same, which is different from the conventional method of coating an adhesive to prevent slipping or adding an antistatic agent to impart conductivity. In contrast, the present invention relates to a technique of providing low surface resistance and excellent electrical conductivity by including a carbon filler in an adhesive resin capable of providing high surface friction.
現代社会で携帯電話、テレビ、コンピュータなどの電子製品の使用は必須不可欠なもので、その発展の速度はもちろんのこと、その様相も急変している。このような電子製品を製造するために様々な電子部品が使用され、電子製品の迅速な大量生産のために大半が自動化工程で進められている。この時、自動化工程で使用される電子部品の移送のためのトレイ(tray)は通常、伝導性ポリエチレンテレフタラート(PET)、ポリスチレン(PS)、アクリロニトリルブタジエンスチレン(ABS)樹脂組成物を真空成形して使用されている。これらは比較的工程が簡単かつ生産単価が安価で経済的であるが、電子部品の移送中に低い表面摩擦力によって生じる部品の滑り現象で部品表面にスクラッチが生じ、これは伝導性の喪失につながり静電気問題が生じたりフィルム表面にスクラッチが生じて不良を誘発する問題点を引き起こす。また、トレイに積載される電子部品の位置を固定するためにトレイにキャビティを成形して使用するが、この場合、製品別に互いに異なる規格のトレイが必要となりトレイの生産、保管、管理コストが大きく増加するようになる。 In modern society, the use of electronic products such as mobile phones, televisions, and computers is indispensable, and the pace of their development is rapidly changing. A variety of electronic components are used to manufacture such electronic products, and most are advanced through automated processes for rapid mass production of electronic products. At this time, a tray for transferring electronic parts used in an automated process is usually vacuum-formed from a conductive polyethylene terephthalate (PET), polystyrene (PS), acrylonitrile butadiene styrene (ABS) resin composition. are used. These are relatively simple in process and low in unit cost of production, making them economical. However, during the transportation of electronic components, the sliding phenomenon of the components caused by low surface friction causes scratches on the surface of the components, which leads to loss of conductivity. Problems such as connection static electricity and scratches on the film surface may cause defects. In addition, a cavity is formed in the tray to fix the position of electronic components loaded on the tray, but in this case, trays with different specifications are required for each product, which increases the production, storage, and management costs of trays. will increase.
このような問題を解決するために、自動化生産工程では滑りを防止するためにマット又はパッドなどを主に使用している。この場合、主にマットやパッド表面に粘着性塗料をコーティングして滑り防止機能を付与する場合が大半である。 To solve these problems, automated production processes mainly use mats or pads to prevent slippage. In this case, in most cases, the surface of the mat or pad is coated with an adhesive paint to provide an anti-slip function.
これと関連する技術として、特許文献1を見てみると、優れた摩擦抵抗低減性能を持つ塗料組成物に関する技術を開示している。バインダ樹脂としてエステル化合物と、シリルアクリレート系単量体をラジカル重合性不飽和単量体でさらに含んで分子量及び親水親油バランスを調節することによって長期間均一な摩耗率を示して防汚性及び優れた摩擦抵抗低減性能を持つものを開示している。ただし、上記特許のように塗料組成物をコーティングする場合は時間経過によって塗料の粘着性が弱くなったり塗料が剥がれる問題がある。 As a technique related to this, see Patent Document 1, which discloses a technique relating to a coating composition having excellent frictional resistance reduction performance. Ester compounds and silyl acrylate-based monomers as binder resins are added as radically polymerizable unsaturated monomers to adjust the molecular weight and hydrophilic-lipophilic balance, thereby exhibiting a uniform wear rate for a long period of time and antifouling and antifouling properties. It discloses one having excellent frictional resistance reduction performance. However, when coating with a coating composition as in the above patent, there is a problem that the adhesiveness of the coating is weakened or the coating is peeled off over time.
一方、電子部品生産のための自動化工程で滑り防止とともに必要な静電気防止機能を提供するためには主に帯電防止剤を用いて静電気防止機能を付与している。これと関連する技術として、特許文献2では静電気防止機能に優れたシートを開示している。シート本体の上下部にハイブリッドコーティング液コーティング層を含み、上記ハイブリッドコーティング液は溶媒、ポリウレタン樹脂、アンチブロッキング剤、耐摩耗性向上剤、スリップ防止剤、消泡剤及び静電気防止剤からなることを技術的特徴とする。ただし、上記特許のように静電気防止剤又は帯電防止剤を使用した場合、表面抵抗が1010Ω/sq以上の高い抵抗を示すため、優れた静電気防止性能を提供するには多少限界がある。 On the other hand, antistatic agents are mainly used to provide the necessary antistatic function as well as slip prevention in the automated process for the production of electronic parts. As a technique related to this, Patent Document 2 discloses a sheet excellent in antistatic function. The sheet body includes a hybrid coating liquid coating layer on the upper and lower parts of the sheet body, and the hybrid coating liquid consists of solvent, polyurethane resin, anti-blocking agent, abrasion resistance improver, anti-slip agent, anti-foaming agent and anti-static agent. characteristic. However, when an antistatic agent or an antistatic agent is used as in the above patent, the surface resistance is as high as 10 10 Ω/sq or more, so there is some limitation in providing excellent antistatic performance.
よって、本発明は、上記問題点を解決し、より簡単な工程を提供して加工性を向上させ、成形品の表面摩擦力に優れ、低い表面抵抗で優れた伝導性を持つ樹脂組成物を提供しようとする長い研究の果てに完成した。 Therefore, the present invention solves the above-mentioned problems, provides a simpler process, improves processability, and provides a resin composition having excellent surface friction force of molded products, low surface resistance, and excellent conductivity. Completed at the end of a long study to offer.
本発明は、上述の問題点をすべて解決することを目的とする。
本発明の目的は、樹脂成形品に高い表面摩擦力を提供できる樹脂組成物を提供することにある。
SUMMARY OF THE INVENTION An object of the present invention is to solve all the problems mentioned above.
An object of the present invention is to provide a resin composition capable of providing a resin molded product with a high surface friction force.
本発明の目的は、樹脂成形品に低い表面抵抗値を提供できる樹脂組成物を提供して、優れた電気伝導性を付与することにある。 An object of the present invention is to provide a resin composition capable of providing a resin molded product with a low surface resistance value, thereby imparting excellent electrical conductivity.
本発明の目的は、成形品の加工性を単純化して生産性を向上させることにある。 SUMMARY OF THE INVENTION An object of the present invention is to simplify the processability of molded articles to improve productivity.
上述の本発明の目的を達成し、後述する本発明の特徴的な効果を実現するための、本発明の特徴的な構成は下記のとおりである。 The characteristic configuration of the present invention for achieving the above object of the present invention and realizing the characteristic effects of the present invention to be described later is as follows.
本発明の一実施例によれば、樹脂成形品の摩擦力はASTM D1894準拠で10N以上で、表面抵抗値はASTM D257準拠で103乃至109Ω/sqで提供する滑り防止用伝導性樹脂組成物が提供される。 According to an embodiment of the present invention, the anti-slip conductive resin provides a frictional force of 10 N or more according to ASTM D1894 and a surface resistance value of 10 3 to 10 9 Ω/sq according to ASTM D257. A composition is provided.
本発明の一実施例によれば、上記滑り防止用伝導性樹脂組成物は表面摩擦力に優れた粘着性樹脂に炭素充填材を含んで提供される。 According to an embodiment of the present invention, the anti-slip conductive resin composition is provided by including a carbon filler in an adhesive resin having excellent surface friction.
本発明の一実施例によれば、上記粘着性樹脂は超低密度ポリエチレン(VLDPE)、ポリオレフィンエラストマー(POE)、オレフィンブロック共重合体(OBC)、エチレン酢酸共重合体(EVA)、エチレンブチルアクリレート(EBA)、エチレンプロピレンジエンゴム(EPDM)、スチレンブタジエンゴム(SBR)、スチレンブタジエンスチレン共重合体(SBS)、スチレンエチレンブタジエンスチレン共重合体(SEBS)、エーテルブロックアミド共重合体(PEBA)、熱可塑性ウレタン(TPU)、熱可塑性エステルエラストマー(TPEE)、シリコンゴム、天然ゴム(NR)、イソプレンゴム(IR)、ブチルゴム(IIR)、ブタジエンゴム(BR)、アクリルゴム(ACM)、ニトリルブタジエンゴム(NBR)及びクロロプレンゴム(CR)から選択された少なくともいずれか1つ以上を含むことができる。 According to one embodiment of the present invention, the adhesive resin is very low density polyethylene (VLDPE), polyolefin elastomer (POE), olefin block copolymer (OBC), ethylene acetate copolymer (EVA), ethylene butyl acrylate. (EBA), ethylene propylene diene rubber (EPDM), styrene butadiene rubber (SBR), styrene butadiene styrene copolymer (SBS), styrene ethylene butadiene styrene copolymer (SEBS), ether block amide copolymer (PEBA), Thermoplastic urethane (TPU), thermoplastic ester elastomer (TPEE), silicone rubber, natural rubber (NR), isoprene rubber (IR), butyl rubber (IIR), butadiene rubber (BR), acrylic rubber (ACM), nitrile butadiene rubber (NBR) and chloroprene rubber (CR).
本発明の一実施例によれば、上記炭素充填材は炭素ナノチューブ(CNT)、グラファイト(Graphite)、カーボンブラック(Carbon black)、カーボンファイバー(carbon fiber)及びグラフェン(Graphene)から選択された少なくともいずれか1つ以上を含むことができる。 According to one embodiment of the present invention, the carbon filler is at least one selected from carbon nanotube (CNT), graphite, carbon black, carbon fiber and graphene. or one or more.
本発明の一実施例によれば、上記滑り防止用伝導性樹脂組成物を含む成形品が提供される。 According to one embodiment of the present invention, there is provided a molded article comprising the anti-slip conductive resin composition.
本発明による樹脂で製造される成形品の場合、高い表面摩擦力を提供して長時間使用しても優れた滑り防止機能を提供できる。 Molded articles made from the resin according to the present invention can provide high surface friction and provide excellent anti-slip properties even after long-term use.
本発明による樹脂で製造される成形品の場合、低い表面抵抗を提供して、優れた静電気防止効果と電気伝導性を提供できる。 Molded articles made from the resin according to the present invention can provide low surface resistance to provide excellent antistatic effect and electrical conductivity.
本発明による樹脂を適用して成形する場合、従来の方式に比べて、加工方法が単純で加工性及び生産性の効率性を向上させることができる。 When the resin according to the present invention is used for molding, the processing method is simpler than the conventional method, and the efficiency of workability and productivity can be improved.
本発明による上記成形品を電子部品の製造工程に使用するトレイに適用した場合、部品の移動工程で滑り防止効果(non-slip)及び低い表面抵抗を提供して電子部品及び素材を保護できる。 When the molded article according to the present invention is applied to a tray used in the manufacturing process of electronic parts, it can protect electronic parts and materials by providing non-slip effect and low surface resistance during the process of moving parts.
以下、本発明の好ましい実施例によって本発明の構成及び作用をより詳細に説明する。ただし、これは本発明の好ましい例示として提示されたものであって、いかなる意味でもこれによって本発明が制限されることはない。
ここに記載していない内容は当該技術分野における熟練者であれば十分に技術的に類推できるものであるので、その説明を省略する。
Hereinafter, the configuration and operation of the present invention will be described in more detail through preferred embodiments of the present invention. However, this is presented as a preferred example of the present invention, and does not limit the present invention in any way.
Since the content not described here can be technically inferred by a person skilled in the relevant technical field, the description thereof will be omitted.
[実施例]
<実施例1:伝導性樹脂組成物の製造>
粘着性樹脂100重量部(ハンファソリューション社製EVA 1834 80重量部、ダウ社製Engage 8137 POE 20重量部)に炭素ナノチューブ(CNT)2重量部、カーボンブラック(Carbon black)8重量部、酸化防止剤(ヒンダードフェノール系)0.1重量部及び加工助剤(脂肪酸アミド系)0.3重量部を含む滑り防止用伝導性樹脂組成物を製造した。
[Example]
<Example 1: Production of conductive resin composition>
Adhesive resin 100 parts by weight (Hanwha Solution EVA 1834 80 parts by weight, Dow Engage 8137 POE 20 parts by weight), carbon nanotube (CNT) 2 parts by weight, carbon black 8 parts by weight, antioxidant An anti-slip conductive resin composition containing 0.1 parts by weight (hindered phenol-based) and 0.3 parts by weight of processing aid (fatty acid amide-based) was prepared.
製造された滑り防止用伝導性樹脂組成物を金型のキャビティに充填した後、プレスで圧力を加えた後、冷却固化させて成形品(シート)を製造した。 The prepared anti-slip conductive resin composition was filled into a cavity of a mold, pressed with a press, and then cooled and solidified to prepare a molded product (sheet).
<実施例2>
粘着性樹脂100重量部(ハンファソリューション社製EVA 1834 20重量部、ダウ社製Engage 8137 POE 80重量部)を使用したことを除いては実施例1と同様に進めた。
<Example 2>
The procedure of Example 1 was repeated except that 100 parts by weight of the adhesive resin (20 parts by weight of EVA 1834 manufactured by Hanwha Solution, and 80 parts by weight of Engage 8137 POE manufactured by Dow) was used.
<実施例3>
粘着性樹脂100重量部(ハンファソリューション社製EVA 1834 20重量部、ダウ社製FLEXOMER DFDB-9042 NT VLDPE 80重量部)を使用したことを除いては実施例1と同様に進めた。
<Example 3>
The procedure of Example 1 was repeated except that 100 parts by weight of adhesive resin (20 parts by weight of EVA 1834 manufactured by Hanwha Solution, 80 parts by weight of FLEXOMER DFDB-9042 NT VLDPE manufactured by Dow) was used.
<実施例4>
粘着性樹脂100重量部(ハンファソリューション社製EVA 1834 20重量部、ダウ社製Infuse 9807 OBC 80重量部)を使用したことを除いては実施例1と同様に進めた。
<Example 4>
The procedure of Example 1 was repeated except that 100 parts by weight of adhesive resin (20 parts by weight of EVA 1834 manufactured by Hanwha Solution Co., Ltd. and 80 parts by weight of Infuse 9807 OBC manufactured by Dow) was used.
<実施例5>
粘着性樹脂100重量部(ハンファソリューション社製EVA 1834)に対してカーボンブラック14重量部を使用したことを除いては実施例1と同様に進めた。
<Example 5>
The procedure of Example 1 was repeated except that 14 parts by weight of carbon black was used for 100 parts by weight of adhesive resin (EVA 1834 manufactured by Hanwha Solution Co., Ltd.).
<実施例6>
粘着性樹脂100重量部(ダウ社製Engage 8137 POE)に対してカーボンブラック14重量部を使用したことを除いては実施例1と同様に進めた。
<Example 6>
Example 1 was followed except that 14 parts by weight of carbon black was used for 100 parts by weight of adhesive resin (Engage 8137 POE manufactured by Dow).
<実施例7>
粘着性樹脂100重量部(ダウ社製FLEXOMER DFDB-9042 NT VLDPE)に対してカーボンブラック14重量部を使用したことを除いては実施例1と同様に進めた。
<Example 7>
Example 1 was repeated except that 14 parts by weight of carbon black was used per 100 parts by weight of adhesive resin (FLEXOMER DFDB-9042 NT VLDPE manufactured by Dow).
<実施例8>
粘着性樹脂100重量部(ダウ社製Infuse 9807 OBC)に対してカーボンブラック14重量部を使用したことを除いては実施例1と同様に進めた。
<Example 8>
Example 1 was followed except that 14 parts by weight of carbon black was used for 100 parts by weight of adhesive resin (Infuse 9807 OBC from Dow).
<実施例9>
粘着性樹脂100重量部(ハンファソリューション社製EVA 1834)に対してカーボンブラック8重量部を使用したことを除いては実施例1と同様に進めた。
<Example 9>
The procedure of Example 1 was repeated except that 8 parts by weight of carbon black was used for 100 parts by weight of adhesive resin (EVA 1834 manufactured by Hanwha Solution Co., Ltd.).
<実施例10>
粘着性樹脂100重量部(ハンファソリューション社製EVA 1834)に対してカーボンブラック11重量部を使用したことを除いては実施例1と同様に進めた。
<Example 10>
The procedure of Example 1 was repeated except that 11 parts by weight of carbon black was used for 100 parts by weight of adhesive resin (EVA 1834 manufactured by Hanwha Solution Co., Ltd.).
[比較例]
<比較例1>
商業的に市販されている伝導性PETシートを備えた。
[Comparative example]
<Comparative Example 1>
A commercially available conductive PET sheet was provided.
<比較例2>
商業的に市販されているPET樹脂層に帯電防止コーティングされたシートを備えた。
<Comparative Example 2>
The sheet was provided with an antistatic coating on a commercially available PET resin layer.
[実験例1:表面摩擦力測定]
ASTM D1894準拠で表面摩擦力を測定した。実施例及び比較例による成形品(パッド)をスタンドに固定した後、PETフィルムが付着された治具を引っ張りながらかかる力を測定する。これについて[図1]に示した。なお、これに対する結果を[表1]で示した。
[Experimental Example 1: Surface Friction Measurement]
The surface friction force was measured according to ASTM D1894. After fixing the molded products (pads) according to Examples and Comparative Examples to a stand, the force applied is measured while pulling the jig to which the PET film is attached. This is shown in [Fig. 1]. The results for this are shown in [Table 1].
[実験例2:表面抵抗測定]
ASTM D257方法によって表面抵抗を測定した。これに対する結果は[表1]で示している。
Surface resistance was measured by the ASTM D257 method. The results for this are shown in [Table 1].
表1の結果を見てみると、本発明による滑り防止用伝導性樹脂組成物を提供して成形した製品の場合、表面摩擦力は10N乃至40Nで提供でき、比較例が1N以下で提供されることに比べて顕著に高い表面摩擦力を提供できることを確認できた。 Looking at the results in Table 1, the surface friction force of the molded product provided with the anti-slip conductive resin composition according to the present invention was 10N to 40N, and the comparative example was 1N or less. It was confirmed that a remarkably high surface friction force can be provided compared to the
また、表面抵抗値は103乃至109Ω/sqの範囲で提供でき、比較例の表面抵抗値が106乃至109Ω/sqの範囲で提供されることに比べて顕著に低いことを確認できる。したがって、低い表面抵抗を提供して優れた静電気防止機能と電気伝導性を提供できることを確認できた。 In addition, the surface resistance value can be provided in the range of 10 3 to 10 9 Ω/sq, which is significantly lower than the surface resistance value provided in the comparative example in the range of 10 6 to 10 9 Ω/sq. I can confirm. Therefore, it was confirmed that a low surface resistance can be provided, and excellent antistatic function and electrical conductivity can be provided.
したがって、本発明の場合、電子部品の製造工程に使用するトレイに適用した場合、部品の移動工程で滑り防止効果(non-slip)及び低い表面抵抗を提供して電子部品及び素材を保護できることを確認できた。 Therefore, in the case of the present invention, when it is applied to a tray used in the manufacturing process of electronic parts, it provides non-slip effect and low surface resistance during the process of moving parts to protect electronic parts and materials. It could be confirmed.
加えて、別途の工程を追加する必要なく粘着性樹脂自体で摩擦力を提供することにより、製造方法も容易な点から加工方法が単純で加工性及び生産性の効率性を向上させることができる。 In addition, since the frictional force is provided by the adhesive resin itself without adding a separate process, the manufacturing method is easy and the processing method is simple, so that the efficiency of workability and productivity can be improved. .
以上、本発明が具体的な構成要素などのような特定の事項と限定された実施例によって説明されたが、これは本発明のより全般的な理解を助けるために提供されたものに過ぎず、本発明が上記実施例らに限定されるわけではなく、本発明の属する分野における通常の知識を持つ者であれば、かかる記載から多様な修正及び変形を図ることができる。
よって、本発明の思想は上記説明された実施例に限られて定められてはならず、後述する特許請求の範囲のみならず、後述する特許請求の範囲と均等又は等価的に変形されたあらゆるものは本発明の思想の範疇に属すると言える。
後述する本発明に対する詳細な説明は、本発明が実施され得る特定の実施例を例示として参照する。これらの実施例は当業者が本発明を十分に実施できるように十分に詳細に説明される。本発明の多様な実施例は、互いに異なるが相互排他的である必要はない。例えば、ここに記載される特定の形状、構造及び特性は一実施例に関連して本発明の精神及び範囲から逸脱することなく他の実施例として具現され得る。また、各々の開示された実施例内の個別構成要素の位置又は配置は本発明の精神及び範囲から逸脱することなく変更され得る。したがって、後述する詳細な説明は限定的な意味として取ろうとするものでなく、本発明の範囲は、適切に説明された場合、その請求項らが主張するものと均等な全ての範囲とともに添付された請求項によってのみ限定される。
以下、本発明の属する技術分野における通常の知識を有する者が本発明を容易に実施できるようにするために、本発明の好ましい実施例を参照して詳細に説明する。
Although the present invention has been described in terms of specific items such as specific components and limited examples, this is merely provided to facilitate a more general understanding of the present invention. However, the present invention is not limited to the above embodiments, and a person having ordinary knowledge in the field to which the present invention belongs can make various modifications and variations based on the above description.
Therefore, the spirit of the present invention should not be limited to the above-described embodiments, and not only the scope of the claims described below, but also any equivalent or equivalent modifications to the scope of the claims described below. It can be said that the object belongs to the category of the idea of the present invention.
DETAILED DESCRIPTION OF THE INVENTION The following detailed description of the invention refers, by way of illustration, to specific embodiments in which the invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to fully practice the invention. Various embodiments of the invention are different from each other, but need not be mutually exclusive. For example, the specific shapes, structures and features described herein may be embodied in one embodiment without departing from the spirit and scope of the invention. Also, the location or arrangement of individual components within each disclosed embodiment may be changed without departing from the spirit and scope of the invention. Therefore, the detailed description set forth below is not to be taken in a limiting sense, and the scope of the invention, if properly described, is to be followed, along with the full range of equivalents claimed by the claims. limited only by the following claims.
Hereinafter, preferred embodiments of the present invention will be described in detail so that those skilled in the art can easily implement the present invention.
滑り防止性能とは、高い表面摩擦力を意味し、摩擦力とは製品の荷重を支持する面とその面の接触面積を最大化して、接触面に発生する運動を妨害する力を付与することを意味する。電子製品を生産するための自動化工程で電子部品移送用トレイ(tray)の場合、移送中に部品が滑ることを防止するために、本発明は高い表面摩擦力を提供できる滑り防止用伝導性樹脂組成物を提供しようする。 Anti-slip performance means a high surface friction force, which means maximizing the contact area between the load-bearing surface of the product and that surface, giving the contact surface a force that hinders the movement that occurs. means In the case of a tray for transferring electronic parts in an automated process for producing electronic products, the present invention uses an anti-slip conductive resin that can provide high surface friction to prevent parts from slipping during transfer. A composition is provided.
本発明の一実施例によれば、樹脂成形品の表面摩擦力はASTM D1894準拠で10N以上で、表面抵抗値はASTM D257準拠で103乃至109Ω/sqで提供できる滑り防止用伝導性樹脂組成物を提供しようとする。 According to one embodiment of the present invention, the surface frictional force of the resin molded product is 10 N or more according to ASTM D1894, and the surface resistance value is 10 3 to 10 9 Ω/sq according to ASTM D257. An attempt is made to provide a resin composition.
本発明の一実施例によれば、上記滑り防止用伝導性樹脂組成物は表面摩擦力に優れた粘着性基本樹脂(base resin)に炭素充填材を含んで提供され、必要に応じて相溶化剤、酸化防止剤、加工助剤などをさらに含むことができる。 According to an embodiment of the present invention, the anti-slip conductive resin composition is provided by including a carbon filler in an adhesive base resin having excellent surface friction, and if necessary, compatibilized. Agents, antioxidants, processing aids, and the like can also be included.
本発明の一実施例によれば、高い表面摩擦力を提供して滑り防止効果を提供するために粘着性を付与する基本樹脂(base resin)に超低密度ポリエチレン(VLDPE)、ポリオレフィンエラストマー(POE)、オレフィンブロック共重合体(OBC)、エチレン酢酸共重合体(EVA)、エチレンブチルアクリレート(EBA)、エチレンプロピレンジエンゴム(EPDM)、スチレンブタジエンゴム(SBR)、スチレンブタジエンスチレン共重合体(SBS)、スチレンエチレンブタジエンスチレン共重合体(SEBS)、エーテルブロックアミド共重合体(PEBA)、熱可塑性ウレタン(TPU)、熱可塑性エステルエラストマー(TPEE)、シリコンゴム、天然ゴム(NR)、イソプレンゴム(IR)、ブチルゴム(IIR)、ブタジエンゴム(BR)、アクリルゴム(ACM)、ニトリルブタジエンゴム(NBR)及びクロロプレンゴム(CR)から少なくとも1つ以上の樹脂を提供できる。好ましくはポリオレフィンエラストマー(POE)、エチレン酢酸共重合体(EVA)、超低密度ポリエチレン(VLDPE)及びオレフィンブロック共重合体(OBC)から選択される少なくともいずれか1つ以上を提供できる。 According to one embodiment of the present invention, very low density polyethylene (VLDPE), polyolefin elastomer (POE) is used as a base resin that provides adhesion to provide high surface friction and anti-slip effect. ), olefin block copolymer (OBC), ethylene acetate copolymer (EVA), ethylene butyl acrylate (EBA), ethylene propylene diene rubber (EPDM), styrene butadiene rubber (SBR), styrene butadiene styrene copolymer (SBS ), styrene ethylene butadiene styrene copolymer (SEBS), ether block amide copolymer (PEBA), thermoplastic urethane (TPU), thermoplastic ester elastomer (TPEE), silicone rubber, natural rubber (NR), isoprene rubber ( IR), butyl rubber (IIR), butadiene rubber (BR), acrylic rubber (ACM), nitrile butadiene rubber (NBR) and chloroprene rubber (CR). Preferably, at least one or more selected from polyolefin elastomer (POE), ethylene acetate copolymer (EVA), very low density polyethylene (VLDPE) and olefin block copolymer (OBC) can be provided.
粘着性樹脂に提供され得るポリオレフィンエラストマー(POE)はエチレンとアルファオレフィンを共重合させて得られる重合体を意味し、アルファオレフィン共単量体の種類及び含量によって基本性質が変わる特性を持つ。アルファオレフィンの含量が増加するほど結晶化度が減少して密度が減少し光学性及び柔軟性は増加する。したがって、本発明のポリオレフィンエラストマー(POE)はアルファオレフィンでブテン及びオクテンを共重合したもので結晶化度34%以下であることを特徴とする。好ましくは結晶化度13乃至24%に0.85乃至0.88g/cm3範囲のポリオレフィンエラストマー(POE)でメルトインデックス(MI)はASTM D1238準拠で190℃の2.16Kgで0.5乃至60g/10minで提供される。また、上記ポリオレフィンエラストマー(POE)の重量平均分子量は10,000乃至800,000g/molで提供される。比重が低いほどスティッキー(Sticky)な特性を示すので、上記範囲の比重を提供して、滑り防止特性を向上させることを助けることができる。 Polyolefin elastomer (POE), which can be provided as an adhesive resin, means a polymer obtained by copolymerizing ethylene and alpha olefin, and has characteristics that basic properties vary depending on the type and content of alpha olefin comonomer. As the alpha-olefin content increases, the degree of crystallinity decreases, the density decreases, and the optical properties and flexibility increase. Accordingly, the polyolefin elastomer (POE) of the present invention is characterized by copolymerizing butene and octene with alpha olefins and having a crystallinity of 34% or less. Preferably a polyolefin elastomer (POE) in the range of 0.85 to 0.88 g/ cm3 with a crystallinity of 13 to 24% and a melt index (MI) of 0.5 to 60 g at 2.16 kg at 190°C according to ASTM D1238. /10min. Also, the polyolefin elastomer (POE) has a weight average molecular weight of 10,000 to 800,000 g/mol. Since the lower the specific gravity, the more sticky the properties are, so providing the above range of specific gravity can help improve the anti-slip properties.
エチレン酢酸共重合体(EVA)はエチレンと酢酸ビニル(vinyl acetate)単量体を共重合させて得られる重合体を意味し、一般にエチレン単量体で作られたポリエチレン製品の基本性質に酢酸ビニルの性質が加えられた特性を持つ。エチレン単量体に比べて酢酸ビニル単量体はアセトキシ(acetoxy)基を含んでおり、この含量が高くなるほど極性(polar)の性質を提供する。酢酸ビニルの含有量が増加することにより光学性(光沢度)が良くなり密度は増加するが、結晶化度は低下して柔軟性は増加するようになる。また、エチレン酢酸共重合体(EVA)の場合、滑り性を示すが酢酸ビニル含量が増加すると摩擦係数が大きくなって滑りにくくなる。したがって、本発明のエチレン酢酸共重合体(EVA)は酢酸ビニル(VA)の含有率が10乃至50重量%であることを特徴とする。含量が10重量%未満の場合は加工が難しい問題点があり、50重量%を超過する場合は結晶化度で不利な点がある。したがって、上記範囲10乃至50重量%を提供して、優れた滑り防止(non-slip)効果を提供できる。その上、エチレン酢酸共重合体(EVA)のメルトインデックス(MI)はASTM D1238準拠で190℃の2.16Kgで0.5乃至80g/10minで提供される。また、エチレン酢酸共重合体(EVA)の重量平均分子量は10,000乃至800,000g/molで提供される。 Ethylene acetate copolymer (EVA) means a polymer obtained by copolymerizing ethylene and vinyl acetate monomer, and generally polyethylene products made from ethylene monomer have vinyl acetate as a basic property. It has the property of adding the properties of Compared to ethylene monomers, vinyl acetate monomers contain acetoxy groups, and the higher the content, the more polar properties are provided. As the content of vinyl acetate increases, optical properties (glossiness) improve and density increases, but crystallinity decreases and flexibility increases. Ethylene acetate copolymer (EVA) exhibits slipperiness, but as the vinyl acetate content increases, the coefficient of friction increases, making it difficult to slip. Accordingly, the ethylene acetate copolymer (EVA) of the present invention is characterized by having a vinyl acetate (VA) content of 10 to 50% by weight. If the content is less than 10% by weight, processing becomes difficult, and if the content exceeds 50% by weight, the crystallinity is disadvantageous. Therefore, it is possible to provide an excellent non-slip effect by providing the above range of 10 to 50% by weight. Moreover, the melt index (MI) of ethylene acetate copolymer (EVA) is provided according to ASTM D1238 from 0.5 to 80 g/10 min at 190°C and 2.16 kg. Also, the ethylene acetate copolymer (EVA) has a weight average molecular weight of 10,000 to 800,000 g/mol.
超低密度ポリエチレン(VLDPE)は0.890乃至0.914g/cm3範囲の密度を持つポリエチレンの類型で直鎖状低密度ポリエチレン(LLDPE)のようにメタロセン触媒を使用する低圧重合技術で生産され、他の類型のポリエチレンに比べてアルファオレフィン含量が高いことが特徴である。アルファオレフィンのアルキル分枝はパッキング密度と結晶性を下げる効果があり、高い靭性と弾性を示し引張強さと融点は非常に低い。その上、超低密度ポリエチレン(VLDPE)のメルトインデックス(MI)はASTM D1238準拠で190℃の2.16Kgで0.5乃至80g/10minで提供される。また、超低密度ポリエチレン(VLDPE)の重量平均分子量は10,000乃至800,000g/molで提供される。 Very low density polyethylene (VLDPE) is a type of polyethylene with a density ranging from 0.890 to 0.914 g/cm 3 and is produced by low pressure polymerization technology using a metallocene catalyst like linear low density polyethylene (LLDPE). It is characterized by high alpha olefin content compared to other types of polyethylene. Alkyl branching of alpha olefins has the effect of lowering packing density and crystallinity, and exhibits high toughness and elasticity with very low tensile strength and melting point. Moreover, the melt index (MI) of very low density polyethylene (VLDPE) is provided at 2.16 Kg at 190° C. from 0.5 to 80 g/10 min according to ASTM D1238. Also, very low density polyethylene (VLDPE) is provided with a weight average molecular weight of 10,000 to 800,000 g/mol.
オレフィンブロック共重合体(OBC)はエチレン系又はプロピレン系繰り返し単位と、α-オレフィン系繰り返し単位を含む複数のブロック又はセグメントを含むオレフィンブロック共重合体であって、0.860乃至0.890g/cm3範囲の密度を持つ。ブロック共重合体はソフトセグメントと称される軟質の弾性ブロックと、ハードセグメントと称される硬質の結晶性ブロックを共に含むことができ、これにより、優れた弾性と耐熱性などの物性を共に示すことができる。より具体的には、このようなブロック共重合体はソフトセグメントのガラス転移温度以上では上記ブロック共重合体が軟質特性を示すことができ、溶融温度より高い温度に至って熱可塑性挙動を示すため、比較的優れた加工性を示すことができる。その上、オレフィンブロック共重合体(OBC)のメルトインデックス(MI)はASTM D1238準拠で190℃の2.16Kgで0.5乃至20g/10minで提供される。また、オレフィンブロック共重合体(OBC)の重量平均分子量は10,000乃至800,000g/molで提供される。 The olefin block copolymer (OBC) is an olefin block copolymer containing ethylene or propylene repeating units and a plurality of blocks or segments containing α-olefin repeating units, and is 0.860 to 0.890 g/ It has a density in the cm 3 range. The block copolymer can contain both a soft elastic block called a soft segment and a hard crystalline block called a hard segment, thereby exhibiting physical properties such as excellent elasticity and heat resistance. be able to. More specifically, such a block copolymer can exhibit soft properties above the glass transition temperature of the soft segment, and exhibit thermoplastic behavior at temperatures higher than the melting temperature. It can exhibit relatively excellent workability. Moreover, the melt index (MI) of the olefin block copolymer (OBC) is provided according to ASTM D1238 from 0.5 to 20 g/10 min at 190°C and 2.16 Kg. Also, the olefin block copolymer (OBC) has a weight average molecular weight of 10,000 to 800,000 g/mol.
本発明の一実施例によれば、上記粘着性樹脂はポリオレフィンエラストマー(POE)、エチレン酢酸共重合体(EVA)、超低密度ポリエチレン(VLDPE)及びオレフィンブロック共重合体(OBC)から選択される少なくともいずれか1つ以上が溶融混練されることができ、上記溶融混練とは80℃乃至190℃の条件で押出機、ニーダー、ロールミールなどを用いて進めることができ、通常の技術者が実施できる適切な加工範囲内で進めることができる。 According to one embodiment of the present invention, the adhesive resin is selected from polyolefin elastomer (POE), ethylene acetate copolymer (EVA), very low density polyethylene (VLDPE) and olefin block copolymer (OBC). At least one or more can be melt-kneaded, and the melt-kneading can be carried out using an extruder, kneader, roll mill, etc. at a temperature of 80 ° C. to 190 ° C., and is performed by ordinary technicians. You can proceed within the appropriate processing range that you can.
本発明の一実施例によれば、上記粘着性樹脂100重量部に対して、炭素充填材0.1乃至40重量部を含んで提供される。 According to one embodiment of the present invention, 0.1 to 40 parts by weight of the carbon filler is provided with respect to 100 parts by weight of the adhesive resin.
本発明の一実施例によれば、上記炭素充填材は炭素ナノチューブ(CNT)、グラファイト(Graphite)、カーボンブラック(Carbon Black)、カーボンファイバー(carbon fiber)及びグラフェン(Graphene)から選択される少なくともいずれか1つ以上を含んで提供される。従来の帯電防止剤の投入によって静電気防止効果を提供する場合は表面抵抗値が相対的に高いが、それに対して伝導性炭素充填材によって静電気防止効果を提供する場合はより低い表面抵抗値を提供でき、よって、優れた静電気防止効果と電気伝導性を提供できる。また、最終製品の引張伸び率、光沢などの物性を向上させ、向上した衝撃補強効果を共に提供できる。 According to one embodiment of the present invention, the carbon filler is at least one selected from carbon nanotube (CNT), graphite, carbon black, carbon fiber and graphene. or one or more. Relatively high surface resistance values are provided when the antistatic effect is provided by the loading of conventional antistatic agents, whereas lower surface resistance values are provided when the antistatic effect is provided by the conductive carbon filler. can thus provide excellent antistatic effect and electrical conductivity. In addition, physical properties such as tensile elongation and gloss of the final product can be improved, and an improved impact reinforcement effect can be provided.
本発明の一実施例によれば、上記粘着性樹脂100重量部に対して、炭素ナノチューブ(CNT)0.1乃至10重量部、カーボンブラック(Carbon black)1乃至15重量部及びグラフェン(Graphene)0.1乃至10重量部から選択された少なくともいずれか1つを含むことを特徴とする。すなわち、上記範囲のような組成物を提供することによって高い表面摩擦力を提供できる基本樹脂に伝導性を提供できる炭素充填材を溶融混練して優れた静電気防止性能を同時に提供できる。特に、本発明の場合、摩擦力の高い樹脂に伝導性の炭素充填材を含むことによって加工工程を単純化できる長所がある。この場合、上記粘着性樹脂はエチレン酢酸共重合体(EVA)20乃至80重量部に対して、ポリオレフィンエラストマー(POE)、超低密度ポリエチレン(VLDPE)又はオレフィンブロック共重合体(OBC)を20乃至80重量部含むことができる。 According to an embodiment of the present invention, 0.1 to 10 parts by weight of carbon nanotubes (CNT), 1 to 15 parts by weight of carbon black, and graphene are added to 100 parts by weight of the adhesive resin. It is characterized by containing at least one selected from 0.1 to 10 parts by weight. That is, by providing a composition within the above range, it is possible to provide excellent antistatic performance at the same time by melt-kneading a carbon filler capable of providing conductivity to the base resin capable of providing high surface friction. In particular, the present invention has the advantage of simplifying the processing process by including a conductive carbon filler in a resin having a high frictional force. In this case, the adhesive resin is 20 to 80 parts by weight of ethylene acetate copolymer (EVA) and 20 to 80 parts by weight of polyolefin elastomer (POE), very low density polyethylene (VLDPE) or olefin block copolymer (OBC). 80 parts by weight.
特に、粘着性樹脂100重量部に対して、炭素ナノチューブ(CNT)が0.1乃至10重量部で提供され、低い炭素含有量に比べて優れた電気伝導度を提供しながらも樹脂の粘着特性を維持して高い表面摩擦力を提供でき、カーボンブラック(Carbon black)1乃至15重量部を含むことで、加工時に樹脂流れによる内部構造の変化にも所定水準以上の電気伝導度も維持できる効果を提供できる。また、グラフェン0.1乃至10重量部を含むことで電気伝導度の向上は勿論のこと、モジュラスの向上による引張強度及び屈曲強度を向上させる効果を提供できる。 In particular, carbon nanotubes (CNT) are provided in an amount of 0.1 to 10 parts by weight with respect to 100 parts by weight of the adhesive resin, which provides excellent electrical conductivity compared to the low carbon content and adhesive properties of the resin. 1 to 15 parts by weight of carbon black can maintain electrical conductivity above a predetermined level even if the internal structure changes due to resin flow during processing. can provide In addition, by including 0.1 to 10 parts by weight of graphene, it is possible to provide an effect of improving tensile strength and flexural strength by improving modulus as well as improving electrical conductivity.
本発明の一実施例によれば、上記樹脂組成物は酸化防止剤及び加工助剤から選択される少なくともいずれか1つ以上をさらに含むことができる。この場合、上記粘着性樹脂100重量部に対して、酸化防止剤及び加工助剤から選択された少なくともいずれか1つを0.01乃至10重量部含んで提供される。 According to one embodiment of the present invention, the resin composition may further include at least one selected from antioxidants and processing aids. In this case, 0.01 to 10 parts by weight of at least one selected from antioxidants and processing aids is provided with respect to 100 parts by weight of the adhesive resin.
酸化防止剤の場合、樹脂組成物に含まれて成形される最終製品の酸化を防止し、酸化防止剤の種類には一次酸化防止剤(primary antioxidant)、二次酸化防止剤(secondary antioxidant)がある。一次酸化防止剤にはヒンダードフェノール(hindered phenol)系、ラクトン(lactone)系が使用され、二次酸化防止剤にはリン(phosphite)系、チオエステル(thioester)系が使用される。一次酸化防止剤の役割はラジカルスカベンジャー(radical scavenger)でヒンダードフェノール(hindered phenol)系は酸素中心ラジカル(oxygen centered radical)を処理する。二次酸化防止剤はヒドロペルオキシド分解者(hydroperoxide(ROOH) decomposer)として作用する。酸化防止剤は大半の樹脂において一次と二次酸化防止剤を共に使用することで上昇効果をさらに増加させるので、ヒンダードフェノール(hindered phenol)系、ラクトン(lactone)系及びリン(phosphite)系が適切な割合で混合されて使用されている。フェノール系は2,6-di-t-Butyl-4-methylphenol、2,2-Methylenebis(4-methyl-6-t-butylphenol)などが提供されることができ、リン系の場合はBis(2,4-di-t-butyl)、Tris(2,4-di-t-butylphenyl)-phosphiteなどが提供され得る。酸化防止剤の場合、粘着性樹脂100重量部に対して0.01乃至5重量部を含むことができる。 In the case of antioxidants, they are included in the resin composition to prevent oxidation of final products molded, and types of antioxidants include primary antioxidants and secondary antioxidants. be. Hindered phenols and lactones are used as primary antioxidants, and phosphates and thioesters are used as secondary antioxidants. The role of the primary antioxidant is a radical scavenger, and the hindered phenol system treats oxygen centered radicals. Secondary antioxidants act as hydroperoxide (ROOH) decomposers. Antioxidants further increase the lifting effect through the use of both primary and secondary antioxidants in most resins, hence the hindered phenol, lactone and phosphate systems. They are mixed in proper proportions and used. Phenols can be provided by 2,6-di-t-Butyl-4-methylphenol, 2,2-methylenebis (4-methyl-6-t-butylphenol) and the like, and in the case of phosphorus, Bis (2 ,4-di-t-butyl), Tris (2,4-di-t-butylphenyl)-phosphate, and the like. In the case of an antioxidant, it may be included in an amount of 0.01 to 5 parts by weight based on 100 parts by weight of the adhesive resin.
加工助剤の場合、押出物の表面を滑らかにして成形品の品質を高めることができる。金型面や押出機表面と樹脂との粘着性を防止しスリップ性を向上するための添加剤で樹脂と混練されて融解粘度を低下させて成形加工性を向上し樹脂加工時にペレット間のケーキング現象を防止する。このような加工助剤はアクリルポリマー、スチレン共重合物、ミネラルオイル、ペトロラタム、パラフィンワックス、石油レジン、脂肪酸、脂肪酸エステル、脂肪アルコール、金属石鹸、脂肪酸アミド、フェノール樹脂、ポリエチレン、ポリブテン、有機シリコンなどが提供されることができ、これに限定されない。また、加工助剤の場合、粘着性樹脂100重量部に対して0.01乃至5重量部を含むことができる。 In the case of processing aids, the surface of the extrudate can be smoothed to improve the quality of the molded product. It is an additive that prevents stickiness between the mold surface and the extruder surface and the resin and improves the slip property. It is kneaded with the resin to reduce the melt viscosity and improve the molding processability, caking between pellets during resin processing. prevent the phenomenon. Such processing aids include acrylic polymers, styrene copolymers, mineral oils, petrolatum, paraffin waxes, petroleum resins, fatty acids, fatty acid esters, fatty alcohols, metallic soaps, fatty acid amides, phenolic resins, polyethylene, polybutene, organic silicones, and the like. can be provided, but not limited to. In addition, the processing aid may be included in an amount of 0.01 to 5 parts by weight based on 100 parts by weight of the adhesive resin.
本発明の一実施例によれば、上記樹脂組成物を含んで成形された最終成形品の表面摩擦力はASTM D1894準拠で10N以上で提供でき、好ましくは10N乃至40Nで提供され得る。図1を参照すると、本発明による樹脂を含む成形品(シート)の表面摩擦力の測定方法を示した図であって、図2を参照すると、表面の高い摩擦力を提供して置かれた物体が横衝撃によって動かないように支持できるように助けられることが確認できる。 According to one embodiment of the present invention, the surface friction force of the final molded article molded using the resin composition may be 10N or more, preferably 10N to 40N, according to ASTM D1894. Referring to FIG. 1, it is a diagram showing a method for measuring the surface friction of a molded product (sheet) containing a resin according to the present invention. It can be seen that it helps to support the object so that it does not move due to side impacts.
また、最終成形品の表面抵抗値は103乃至109Ω/sqで、比較的低い表面抵抗値を提供して優れた静電気防止機能を提供でき、該当機能によって電子部品及び素材を保護できる。特に従来の滑り防止マット又はパッドの場合、静電気防止機能を付与するために帯電防止剤を含んで製造される場合は表面抵抗値が1010Ω/sqを超過して提供されるが、それに対して、本発明の場合は炭素充填材を含むことで表面抵抗値を103乃至109Ω/sqに減少させることができる。 In addition, the final molded product has a surface resistance value of 10 3 to 10 9 Ω/sq, which provides a relatively low surface resistance value to provide an excellent antistatic function, which can protect electronic components and materials. In particular, conventional anti-slip mats or pads, when manufactured with antistatic agents to impart antistatic functionality, provide surface resistance values in excess of 10 10 Ω/sq, whereas Therefore, in the case of the present invention, the surface resistance value can be reduced to 10 3 to 10 9 Ω/sq by including the carbon filler.
本発明の一実施例によれば、上記滑り防止用伝導性樹脂組成物を含む成形品が提供される。成形品の製造には射出成形(Injection Molding)、射出ブロー成形(Injection Blow Molding)、真空成形(Vacuum Molding)又はTダイを用いた押出シート成形方法が提供されることができ、上記方法は成形材料を加熱溶融させて予め閉じられた金型のキャビティに射出充填した後、冷却固化させて成形品を得るか、または成形材料を金型に上げた後、加熱してから真空をかけて金型に密着成形する方法で進めることができる。また、通常の技術者が実施できる範囲内で適切な範囲内で変形して進められることは無論である。 According to one embodiment of the present invention, there is provided a molded article comprising the anti-slip conductive resin composition. Injection molding, injection blow molding, vacuum molding, or an extrusion sheet molding method using a T-die can be provided for manufacturing the molded product. After the material is heated and melted and injected into a pre-closed mold cavity, it is cooled and solidified to obtain a molded product, or the molding material is raised to the mold, heated and then vacuumed to form a mold. It can proceed by a method of close contact molding in a mold. In addition, it goes without saying that modifications can be made within an appropriate range within the scope that a normal engineer can implement.
本発明の一実施例によれば、上記成形品はシート、パッド、フィルム、包装紙、パイプ、ポーチ、内装材、容器、電子部品製造用トレイから選択される少なくともいずれか1つである成形品で提供されることができ、好ましくは電子部品製造用トレイに適用されることができ、これに限定されない。
According to one embodiment of the present invention, the molded article is at least one selected from sheets, pads, films, wrapping paper, pipes, pouches, interior materials, containers, and electronic component manufacturing trays. and preferably applied to electronic component manufacturing trays, but not limited thereto.
Claims (12)
ことを特徴とする滑り防止用伝導性樹脂組成物。 An anti-slip conductive resin composition characterized by providing a resin molded product with a frictional force of 10 N or more according to ASTM D1894 and a surface resistance value of 10 3 to 10 9 Ω/sq according to ASTM D257.
請求項1に記載の滑り防止用伝導性樹脂組成物。 The anti-slip conductive resin composition of claim 1, wherein the resin composition contains a carbon filler in the adhesive resin.
請求項2に記載の滑り防止用伝導性樹脂組成物。 3. The anti-slip conductive resin composition according to claim 2, comprising 0.1 to 40 parts by weight of a carbon filler with respect to 100 parts by weight of the adhesive resin.
超低密度ポリエチレン(VLDPE)、ポリオレフィンエラストマー(POE)、オレフィンブロック共重合体(OBC)、エチレン酢酸共重合体(EVA)、エチレンブチルアクリレート(EBA)、エチレンプロピレンジエンゴム(EPDM)、スチレンブタジエンゴム(SBR)、スチレンブタジエンスチレン共重合体(SBS)、スチレンエチレンブタジエンスチレン共重合体(SEBS)、エーテルブロックアミド共重合体(PEBA)、熱可塑性ウレタン(TPU)、熱可塑性エステルエラストマー(TPEE)、シリコンゴム、天然ゴム(NR)、イソプレンゴム(IR)、ブチルゴム(IIR)、ブタジエンゴム(BR)、アクリルゴム(ACM)、ニトリルブタジエンゴム(NBR)及びクロロプレンゴム(CR)から選択された少なくともいずれか1つ以上を含む
請求項2に記載の滑り防止用伝導性樹脂組成物。 The adhesive resin includes ultra-low density polyethylene (VLDPE), polyolefin elastomer (POE), olefin block copolymer (OBC), ethylene acetate copolymer (EVA), ethylene butyl acrylate (EBA), ethylene propylene diene rubber (EPDM). ), styrene-butadiene rubber (SBR), styrene-butadiene-styrene copolymer (SBS), styrene-ethylene-butadiene-styrene copolymer (SEBS), ether block amide copolymer (PEBA), thermoplastic urethane (TPU), thermoplastic ester from elastomers (TPEE), silicone rubber, natural rubber (NR), isoprene rubber (IR), butyl rubber (IIR), butadiene rubber (BR), acrylic rubber (ACM), nitrile butadiene rubber (NBR) and chloroprene rubber (CR) 3. The anti-slip conductive resin composition according to claim 2, comprising at least one or more selected.
請求項2に記載の滑り防止用伝導性樹脂組成物。 3. The carbon filler of claim 2, wherein the carbon filler comprises at least one selected from carbon nanotubes (CNT), graphite, carbon black, carbon fiber and graphene. anti-slip conductive resin composition.
請求項2に記載の滑り防止用伝導性樹脂組成物。 0.1 to 10 parts by weight of carbon nanotubes (CNT), 1 to 15 parts by weight of carbon black, and 0.1 to 10 parts by weight of graphene, based on 100 parts by weight of the adhesive resin. 3. The anti-slip conductive resin composition according to claim 2, comprising at least one of
請求項2に記載の滑り防止用伝導性樹脂組成物。 The anti-slip conductive resin composition according to claim 2, comprising 0.01 to 10 parts by weight of at least one selected from antioxidants and processing aids with respect to 100 parts by weight of the adhesive resin. .
請求項2に記載の滑り防止用伝導性樹脂組成物。 3. The anti-slip conductive resin composition of claim 2, wherein the adhesive resin has a weight average molecular weight of 10,000 to 800,000.
請求項2に記載の滑り防止用伝導性樹脂組成物。 3. The anti-slip conductive resin composition according to claim 2, wherein the melt index (MI) of said adhesive resin is 0.5 to 60 g/10 min at 190[deg.] C. and 2.16 kg according to ASTM D1238.
請求項2に記載の滑り防止用伝導性樹脂組成物。 3. The anti-slip conductive resin composition of claim 2, wherein the adhesive resin has a specific gravity of 0.85 to 0.96 g/cc.
ことを特徴とする成形品。 A molded article comprising the anti-slip conductive resin composition according to any one of claims 1 to 10.
請求項11に記載の成形品。
12. The molded product according to claim 11, wherein the molded product is at least one selected from sheets, pads, films, wrapping paper, pipes, pouches, interior materials, containers, and electronic component manufacturing trays.
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