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WO2021107426A1 - Composition de résine conductrice antidérapante et produit moulé la comprenant - Google Patents

Composition de résine conductrice antidérapante et produit moulé la comprenant Download PDF

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Publication number
WO2021107426A1
WO2021107426A1 PCT/KR2020/015087 KR2020015087W WO2021107426A1 WO 2021107426 A1 WO2021107426 A1 WO 2021107426A1 KR 2020015087 W KR2020015087 W KR 2020015087W WO 2021107426 A1 WO2021107426 A1 WO 2021107426A1
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WIPO (PCT)
Prior art keywords
weight
parts
resin composition
rubber
slip
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.)
Ceased
Application number
PCT/KR2020/015087
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English (en)
Korean (ko)
Inventor
강철이
이상진
이상욱
장재규
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Hanwha Solutions Corp
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Hanwha Solutions Corp
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Filing date
Publication date
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Priority to JP2022529340A priority Critical patent/JP7386344B2/ja
Priority to CN202080079588.8A priority patent/CN114729149A/zh
Publication of WO2021107426A1 publication Critical patent/WO2021107426A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • 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

Definitions

  • the present invention relates to a conductive resin composition having an anti-slip function and a molded article including the same, wherein the adhesive can provide a high surface friction force unlike the conventional method of coating an adhesive to prevent slip or adding an antistatic agent to impart conductivity It relates to a technique for providing excellent electrical conductivity by including a carbon filler in a resin to provide a low surface resistance.
  • a tray for transferring electronic components used in an automated process is generally used by vacuum molding a conductive polyethylene terephthalate (PET), polystyrene (PS), or acrylonitrile butadiene styrene (ABS) resin composition.
  • PET conductive polyethylene terephthalate
  • PS polystyrene
  • ABS acrylonitrile butadiene styrene
  • mats or pads are mainly used to prevent slipping in the automated production process.
  • an anti-slip function is provided by coating an adhesive paint on the surface of the mat or pad.
  • a technology related to a paint composition having excellent friction resistance reduction performance is disclosed.
  • By controlling molecular weight and hydrophilic-lipophilic balance by further including an ester compound and a silyl acrylate-based monomer as a binder resin as a radically polymerizable unsaturated monomer it exhibits a uniform wear rate over a long period of time, thereby exhibiting antifouling properties and excellent frictional resistance reduction performance.
  • the adhesion of the paint is weakened or the paint is peeled off over time.
  • an anti-static agent is mainly used to provide an anti-static function.
  • Korean Patent Application Laid-Open No. 10-2017-0033986 discloses a sheet having an excellent antistatic function.
  • a hybrid coating solution coating layer is included in the upper and lower parts of the sheet body, and the hybrid coating solution is a solvent, a polyurethane resin, an anti-blocking agent, an abrasion resistance enhancer, a slip improving agent, an antifoaming agent, and an antistatic agent.
  • the surface resistance exhibits a high resistance of 10 10 ⁇ /sq or more, thereby providing excellent antistatic performance.
  • the present invention was completed after long research to solve the above problems and provide a simpler process to improve processability, to provide a resin composition having excellent surface frictional force of a molded article, and excellent conductivity with low surface resistance.
  • Patent Document 1 Korean Patent Publication No. 10-2016-0007099 (2016.01.20)
  • Patent Document 2 Korean Patent Publication No. 10-2017-0033986 (2019.03.28)
  • An object of the present invention is to solve all of the above problems.
  • An object of the present invention is to provide a resin composition capable of providing a high surface friction force to a resin molded article.
  • An object of the present invention is to provide a resin composition capable of providing a low surface resistance value to a resin molded article, thereby imparting excellent electrical conductivity.
  • An object of the present invention is to improve the productivity by simplifying the processability of a molded article.
  • the characteristic configuration of the present invention is as follows.
  • the frictional force of the resin molded article is 10N or more according to ASTM D1894, and the surface resistance value is 10 3 to 10 9 ⁇ /sq according to ASTM D257 There is provided a conductive resin composition for anti-slip use.
  • the anti-slip conductive resin composition is provided by including a carbon filler in an adhesive resin having excellent surface friction.
  • the adhesive resin is ultra-low specific gravity 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 It may be ultra-low specific gravity polyethylene
  • the carbon filler is at least one selected from carbon nanotubes (CNT), graphite (Graphite), carbon black (Carbon black), carbon fiber (carbon fiber) and graphene (Graphene) may include.
  • a molded article including the anti-slip conductive resin composition.
  • the processing method is simple, so that the efficiency of processability and productivity can be improved.
  • the molded article according to the present invention When the molded article according to the present invention is applied to a tray used in the manufacturing process of electronic parts, it is possible to protect electronic parts and materials by providing a non-slip effect and low surface resistance in the moving process of parts. .
  • FIG. 1 shows a method for measuring the surface friction force of a molded article (sheet) including a resin according to the present invention.
  • Figure 2 shows the anti-slip and anti-static properties of the molded article (sheet) including the resin according to the present invention.
  • Example 1 The same procedure as in Example 1 was performed except that 100 parts by weight of the adhesive resin (20 parts by weight of Hanwha Solution EVA 1834, 80 parts by weight of Dow Engage 8137 POE) was used.
  • Example 2 The same procedure as in Example 1 was performed except that 100 parts by weight of the adhesive resin (20 parts by weight of Hanwha Solution EVA 1834, 80 parts by weight of Dow FLEXOMER DFDB-9042 NT VLDPE) was used.
  • Example 2 The same procedure as in Example 1 was performed except that 100 parts by weight of the adhesive resin (20 parts by weight of Hanwha Solution EVA 1834, 80 parts by weight of Dow Infuse 9807 OBC) was used.
  • Example 1 The same procedure as in Example 1 was performed except that 14 parts by weight of carbon black was used with respect to 100 parts by weight of the adhesive resin (Hanwha Solution EVA 1834).
  • Example 2 The same procedure as in Example 1 was performed except that 14 parts by weight of carbon black was used with respect to 100 parts by weight of the adhesive resin (Dow FLEXOMER DFDB-9042 NT VLDPE).
  • Example 2 The same procedure as in Example 1 was performed except that 14 parts by weight of carbon black was used based on 100 parts by weight of the adhesive resin (Dow Infuse 9807 OBC).
  • Example 1 The same procedure as in Example 1 was performed except that 8 parts by weight of carbon black was used with respect to 100 parts by weight of the adhesive resin (Hanwha Solution EVA 1834).
  • Example 1 The same procedure as in Example 1 was performed except that 11 parts by weight of carbon black was used with respect to 100 parts by weight of the adhesive resin (Hanwha Solution EVA 1834).
  • a commercially available conductive PET sheet was prepared.
  • An antistatically coated sheet was prepared on a commercially available PET resin layer.
  • Example 1 40N 10 3 to 10 4 ⁇ /sq Conductive EVA+POE Example 2 12N 10 3 to 10 4 ⁇ /sq Conductive EVA+POE Example 3 10N 10 3 to 10 4 ⁇ /sq Conductive EVA+VLDPE Example 4 14N 10 3 to 10 4 ⁇ /sq Conductive EVA+OBC Example 5 40N 10 3 to 10 5 ⁇ /sq Conductive EVA Example 6 12N 10 3 to 10 5 ⁇ /sq Conductive POE Example 7 10N 10 3 to 10 5 ⁇ /sq Conductive VLDPE Example 8 14N 10 3 to 10 5 ⁇ /sq Conductive OBC Example 9 40N 10 8 to 10 10 ⁇ /sq Conductive EVA Example 10 40N 10 6 to 10 8 ⁇ /sq Conductive EVA Comparative Example 1 0.3N 10 6 to 10 9 ⁇ /sq Conductive PET Comparative Example 2 1N 10 10 to 10 12 ⁇ /sq PET/Antistatic Coating
  • the surface friction force can be provided in a range of 10N to 40N, and the surface of the comparative example is significantly higher than that provided by 1N or less. It was confirmed that frictional force could be provided.
  • the surface resistance value can be provided in the range of 10 3 to 10 9 ⁇ /sq, and it can be seen that the surface resistance value of the comparative example is significantly lower than that provided in the range of 10 6 to 10 9 ⁇ /sq. . Therefore, it was confirmed that excellent antistatic function and electrical conductivity could be provided by providing low surface resistance.
  • the manufacturing method is easy in that the adhesive resin itself provides frictional force without the need for a separate process, the processing method is simple, so that the efficiency of processability and productivity can be improved.
  • Anti-slip performance means high surface frictional force, and frictional force means maximizing the contact area between the surface that supports the load of the product and the surface to apply a force to prevent the motion occurring on the contact surface.
  • the present invention provides an anti-slip conductive resin composition capable of providing high surface frictional force in order to prevent parts from slipping during transfer. .
  • the surface friction force of the resin molded article is 10N or more according to ASTM D1894, and the surface resistance value is 10 3 to 10 9 ⁇ /sq according to ASTM D257 To provide an anti-slip conductive resin composition that can be provided .
  • the anti-slip conductive resin composition is provided by including a carbon filler in an adhesive base resin having excellent surface friction, and further adding a compatibilizer, antioxidant, processing aid, etc., if necessary. may include
  • ultra-low specific gravity polyethylene VLDPE
  • polyolefin elastomer POE
  • olefin block copolymer as a base resin that gives tack to provide an anti-slip effect by providing high surface frictional force (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), n
  • At least one selected from polyolefin elastomer (POE), ethylene acetate copolymer (EVA), ultra-low specific gravity polyethylene (VLDPE) and olefin block copolymer (OBC) may be provided.
  • POE polyolefin elastomer
  • EVA ethylene acetate copolymer
  • VLDPE ultra-low specific gravity polyethylene
  • OBC olefin block copolymer
  • Polyolefin elastomer (POE) which may be provided as an adhesive resin, refers to a polymer obtained by copolymerizing ethylene and alpha olefin, and has a characteristic that basic properties change depending on the type and content of the alpha olefin comonomer. As the content of alpha olefin increases, the crystallinity decreases and the density decreases, and optical properties and flexibility increase. Accordingly, the polyolefin elastomer (POE) of the present invention is a copolymer of butene and octene as an alpha olefin, and is characterized in that it has a crystallinity of 34% or less.
  • the polyolefin elastomer in the range of 0.85 to 0.88 g/cm 3 with a crystallinity of 13 to 24%, and the melt index (MI) is 0.5 to 60 g/10min at 2.16Kg at 190°C based on ASTM D1238.
  • the polyolefin elastomer (POE) has a weight average molecular weight of 10,000 to 800,000 g/mol. The lower the specific gravity, the more sticky the characteristic is, and by providing the specific gravity in the above range, it can help to improve the anti-slip properties.
  • Ethylene acetate copolymer refers to a polymer obtained by copolymerizing ethylene and a vinyl acetate monomer, and generally has the characteristics of adding vinyl acetate to the basic properties of polyethylene products made of ethylene monomer. Compared to the ethylene monomer, the vinyl acetate monomer contains an acetoxy group, and as this content increases, it provides a polar property. As the content of vinyl acetate increases, optical properties (glossiness) improve and density increases, but crystallinity decreases and flexibility increases. In addition, in the case of ethylene acetate copolymer (EVA), although it exhibits sliding properties, when the content of vinyl acetate increases, the coefficient of friction increases, making it difficult to slip.
  • the ethylene acetate copolymer (EVA) of the present invention is characterized in that the content of vinyl acetate (VA) is 10 to 50% by weight. If the content is less than 10% by weight, there is a problem in processing difficult, and if it exceeds 50% by weight, there is a disadvantage in crystallinity. Accordingly, it is possible to provide an excellent non-slip effect by providing 10 to 50% by weight in the above range.
  • the melt index (MI) of the ethylene acetate copolymer (EVA) is provided in the range of 0.5 to 80 g/10 min at 2.16 Kg at 190° C. according to ASTM D1238.
  • the weight average molecular weight of the ethylene acetate copolymer (EVA) is provided as 10,000 to 800,000 g / mol.
  • VLDPE VLDPE
  • LLDPE linear low-density polyethylene
  • the melt index (MI) of ultra-low specific gravity polyethylene is provided as 0.5 to 80 g/10min at 2.16Kg at 190°C based on ASTM D1238.
  • the weight average molecular weight of ultra-low specific gravity polyethylene is provided in the range of 10,000 to 800,000 g/mol.
  • Olefin block copolymer is an olefin block copolymer comprising a plurality of blocks or segments including ethylene- or propylene-based repeating units and ⁇ -olefin-based repeating units, and has a density in the range of 0.860 to 0.890 g/cm 3 .
  • the block copolymer may include a soft elastic block referred to as a soft segment and a hard crystalline block referred to as a hard segment, thereby exhibiting excellent properties such as elasticity and heat resistance together.
  • such a block copolymer may exhibit a soft property above the glass transition temperature of the soft segment, and exhibit relatively good processability because the block copolymer exhibits thermoplastic behavior at a temperature higher than the melting temperature.
  • the melt index (MI) of the olefin block copolymer (OBC) is provided as 0.5 to 20g/10min at 2.16Kg at 190°C based on ASTM D1238.
  • the olefin block copolymer (OBC) has a weight average molecular weight of 10,000 to 800,000 g/mol.
  • the adhesive resin is at least one selected from polyolefin elastomer (POE), ethylene acetate copolymer (EVA), ultra-low specific gravity polyethylene (VLDPE) and olefin block copolymer (OBC) melted It may be kneaded, and the melt kneading may be performed using an extruder, a kneader, a roll mill, etc. at 80° C. to 190° C. conditions, and may proceed within an appropriate processing range that can be performed by a person skilled in the art.
  • POE polyolefin elastomer
  • EVA ethylene acetate copolymer
  • VLDPE ultra-low specific gravity polyethylene
  • OBC olefin block copolymer
  • 0.1 to 40 parts by weight of a carbon filler is provided.
  • the carbon filler is at least one selected from carbon nanotubes (CNT), graphite (Graphite), carbon black (Carbon Black), carbon fiber (carbon fiber) and graphene (Graphene) provided inclusive of the above.
  • CNT carbon nanotubes
  • Graphite graphite
  • Carbon Black carbon fiber
  • graphene graphene
  • a carbon filler capable of providing conductivity to a base resin capable of providing high surface friction is melt-kneaded to provide excellent antistatic performance at the same time.
  • the processing process can be simplified by including a conductive carbon filler in a resin having a high frictional force.
  • the adhesive resin may contain 20 to 80 parts by weight of polyolefin elastomer (POE), ultra-low specific gravity polyethylene (VLDPE) or olefin block copolymer (OBC) based on 20 to 80 parts by weight of ethylene acetate copolymer (EVA).
  • POE polyolefin elastomer
  • VLDPE ultra-low specific gravity polyethylene
  • OBC olefin block copolymer
  • EVA ethylene acetate copolymer
  • 0.1 to 10 parts by weight of carbon nanotubes are provided, providing excellent electrical conductivity compared to a low carbon content, while maintaining the adhesive properties of the resin to provide high surface friction, and , including 1 to 15 parts by weight of carbon black, it is possible to provide an effect of maintaining electrical conductivity of a certain level or more even when the internal structure is changed due to the resin flow during processing.
  • CNT carbon nanotubes
  • the resin composition may further include at least one selected from antioxidants and processing aids.
  • at least one selected from antioxidants and processing aids In this case, with respect to 100 parts by weight of the adhesive resin, it is provided including 0.01 to 10 parts by weight of at least one selected from antioxidants and processing aids.
  • antioxidants they are included in the resin composition to prevent oxidation of the molded final product, and types of antioxidants include primary antioxidants and secondary antioxidants.
  • a primary antioxidant a hindered phenol system and a lactone system are used, and as a secondary antioxidant, a phosphite system and a thioester system are used.
  • the role of primary antioxidants is as a radical scavenger, and the hindered phenol system treats oxygen centered radicals.
  • Secondary antioxidants act as hydroperoxide (ROOH) decomposers. Since antioxidants further increase the synergistic effect by using both primary and secondary antioxidants in most resins, hindered phenol, lactone, and phosphite are mixed in an appropriate ratio.
  • ROOH hydroperoxide
  • the quality of the molded article can be improved by smoothing the surface of the extrudate. It is kneaded with resin as an additive to prevent adhesion between the mold surface or the surface of the extruder and the resin and to improve slip properties, thereby lowering the melt viscosity to improve molding processability and prevent caking between pellets during resin processing.
  • processing aids include acrylic polymer, styrene copolymer, mineral oil, petrolatum, paraffin wax, petroleum resin, fatty acid, fatty acid ester, fatty alcohol, metal soap, fatty acid amide, phenol resin, polyethylene, polybutene, organic silicone, etc. may be provided, but is not limited thereto.
  • the processing aid it may contain 0.01 to 5 parts by weight based on 100 parts by weight of the adhesive resin.
  • the surface frictional force of the final molded article molded including the resin composition may be provided as 10N or more according to ASTM D1894, preferably 10N to 40N.
  • a method for measuring the surface friction force of a molded article (sheet) including a resin according to the present invention is shown. Referring to FIG. 2, a high friction force of the surface is provided to support the placed object so as not to move due to lateral impact. See if we can help you do that.
  • the surface resistance value of the final molded product is 10 3 to 10 9 ⁇ /sq, which provides a relatively low surface resistance value, which can provide an excellent antistatic function, and can protect electronic components and materials through this function.
  • the surface resistance value is provided in excess of 10 10 ⁇ /sq, whereas in the present invention, including a carbon filler The surface resistance value can be reduced to 10 3 to 10 9 ⁇ /sq.
  • a molded article including the anti-slip conductive resin composition.
  • Injection molding, injection blow molding, vacuum molding, or extrusion sheet molding using a T-die may be provided for manufacturing a molded article, wherein the methods are formed by heating and melting a molding material. After injection filling into the cavity of a previously closed mold, it can be cooled and solidified to obtain a molded product, or a molding material is placed on a mold, heated, and then vacuum is applied to closely mold to the mold.
  • the molded article may be provided as a molded article that is at least one selected from a sheet, a pad, a film, a wrapping paper, a pipe, a pouch, an interior material, a container, and a tray for manufacturing electronic components, preferably electronic It may be applied to a tray for manufacturing parts, but is not limited thereto.

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Nanotechnology (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

La présente invention concerne une composition de résine conductrice ayant une propriété antidérapante et un produit moulé la comprenant. Contrairement aux procédés classiques de revêtement avec un adhésif pour empêcher le glissement ou l'addition d'un agent antistatique pour la conductivité, la présente invention concerne une charge de carbone dans une résine adhésive qui peut fournir un frottement de surface élevé, fournissant de là une faible résistance de surface et ainsi une superbe conductivité.
PCT/KR2020/015087 2019-11-27 2020-10-30 Composition de résine conductrice antidérapante et produit moulé la comprenant Ceased WO2021107426A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2022529340A JP7386344B2 (ja) 2019-11-27 2020-10-30 滑り防止用伝導性樹脂組成物及びそれを含む成形品
CN202080079588.8A CN114729149A (zh) 2019-11-27 2020-10-30 防滑用导电性树脂组合物及包含其的成型品

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2019-0154304 2019-11-27
KR20190154304 2019-11-27
KR1020200048232A KR102148974B1 (ko) 2019-11-27 2020-04-21 미끄럼방지용 전도성 수지 조성물 및 그를 포함하는 성형품
KR10-2020-0048232 2020-04-21

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WO2021107426A1 true WO2021107426A1 (fr) 2021-06-03

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JP (1) JP7386344B2 (fr)
KR (1) KR102148974B1 (fr)
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WO (1) WO2021107426A1 (fr)

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KR102148974B1 (ko) * 2019-11-27 2020-08-28 한화솔루션 주식회사 미끄럼방지용 전도성 수지 조성물 및 그를 포함하는 성형품
KR102347559B1 (ko) * 2020-04-28 2022-01-05 한화솔루션 주식회사 점착성 및 전기전도성이 우수한 수지 조성물 및 그 성형품
KR20220044022A (ko) 2020-09-29 2022-04-06 삼성디스플레이 주식회사 슬립 방지 패드 및 이를 포함하는 트레이
CN112480491A (zh) * 2020-12-11 2021-03-12 福建五持恒科技发展有限公司 一种石墨烯防静电床垫发泡材料
KR102576652B1 (ko) * 2020-12-17 2023-09-11 주식회사 삼양사 탄소계 필러를 포함하는 정전기 방전용 열가소성 폴리에스테르계 엘라스토머 수지 조성물 및 이를 포함하는 성형품
CN113372848A (zh) * 2021-05-19 2021-09-10 常州安迪新材料有限公司 一种含石墨烯的导热型poe封装胶膜
WO2023043010A1 (fr) * 2021-09-14 2023-03-23 한화솔루션 주식회사 Composition de résine conductrice colorable pour éviter des glissements, et produit moulé multicouche comprenant celle-ci
KR102595222B1 (ko) * 2023-04-17 2023-10-31 금호석유화학 주식회사 논슬립 필름 제조용 조성물 및 이를 이용하여 제조된 디스플레이 패널 운반용 간지

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