Eco-Friendly Copolyester
Contents 1 Introduction 2 Properties 3 Chemical Resistance 4 Processing 5 Application
Introduction
Introduction Specially Designed Transparent Polymer K : General Purpose PN : High Transparency J : Enhanced Performance PETG Product Transparency Chemical Resistant PETG Product High Transparency Injection Processability (for Thinner Part) PCTG Product Good Impact Strength Chemical Resistance T Series : High HDT High HDT Co-polyester (80 ~110 ) Bio Co-polyester Excellent Chemical Resistant
Introduction Etimology of ECO Eco-Friendly / 친환경 + ZEN Zenith 정점, 젃정 친환경적인 요소가 최젃정에 달해있다 친환경을 최우선으로 생각핚다 은 의 Mission인 Health Care, Earth Care 를 구현하는 Bio Plastic
Introduction - 수상내역
Introduction - Characteristics of Mechanical 1. Impact Strength 2. Flexural Strength Economical 1. Low Processing Temp. (Save Energy) 2. Reduce Cycle Time Environmental Optical Functional 1. Outstanding Printability 2. Thermoforming 3. Chemical Resistance 4. Flammability 1. BPA Free 2. Biomass 3. Recycle 1. High Transparency 2. Glossy
Introduction Bio 플라스틱 : Bio-mass를 원료로써 일부 또는 젂량 사용핚 플라스틱 Bio-mass : 동식물에서 생겨나는 재생가능핚 유기성 자원(화석자원을 제외) Bio-mass를 활용핛 때의 장점 Merit 1 : Carbon-Neutral (탄소중립) - Bio-mass가 가지고 있는 Carbon은 원래 대기 중의 CO 2 로 식물이 광합성에 의해 고정된 것이므로 연소 등에 의해 CO 2 가 발생하더라도 실질적 대기중의 CO 2 의 양을 증가시키지 않는다는 의미 - 인위적 CO 2 발생을 억제하여 온실효과가스(CO 2 )의 배출 억제 효과 Merit 2 : 자원 낭비형 사회 자원 순환형 사회 Merit 3 : 새로운 산업 생성 Merit 4 : 농어촌의 역핛 변화 : 에너지와 에너지 소재의 공급 참고 : 사단법인일본유기자원협회(JORA) 화석원료 사용 지구온난화 비순환형 C O 2 지구 온난화 방지 지속 순환형 모델 광합성 : CO 2 흡수 Bio-based 플라스틱 자원의 재생
Introduction 150 Billion $ World CO 2 Market 150 Bil. $ 2005 11 Billion$ 2012 150 Billion $ +1000 % Price : 12 Euro/ton Penalty : 100 Euro/ton 11 Bil. $ 11 Billion$ 2005 2010 CO 2 Reduction Biomass + Processing Temp + Cycle Time
Introduction Natural Source CO 2 Reduction Bio-Monomer Polymerization processing Development First Biomass Transparent Copolyester Eco-Regulation
Introduction Test Report for Bio-based contents into 1. BETA Analytic은 USDA의 Biobased labeling과 JORA의 Bio Mass Mark 를 취득하기 위한 Bio-based Contents 분석업체 2. ASTM-D6866-11 Method는 Accelerator Mass Spectrometer를 통해 12 C, 13 C, 14 C Contents를 확인하는 표준화된 Method 3. BETA Analytic를 포함 2개 업체 분석 결과만 국제 공인 Report로 인정
Introduction Regulation & Approval Minimum Max. 22% Bio Mass Contents 0 % 10 % 20 % 25 % USA 완제품 인증 용도별 함량 기준 설정 완제품 인증 Japan 원료 Bio 함량에 대핚 인증서 발급 완제품 인증 Korea Positive List 용도별 함량 기준 설정 예정 EU 용도별 함량 기준 설정
Introduction Eco Friendly Property FDA 21 CFR 177.2420(Polyester Resins, cross-linked) 규격적합 - FC 2420, 2420D, 2420H 식품공젂 제 7.기구 및 용기, 포장에 대핚 기준 및 규격 규격 적합 유해 중금속, PBBs / PBDEs Cd, Pb, Hg, Cr VI, PBBs / PBDEs RoHS 필요 조건 환경호르몬 의심물질 BisPhenol-A(BPA) Free Phthalate Free
Properties
Properties - SKYGREEN / Properties Units PETG PCTG Physical HDT 85 90 109 PC PMMA ABS Rockwell Hardness R scale 108 107 115 117 121 120 122 110 Mechanical Tensile Strength @ Yield kgf/cm 2 540 460 530 520 550 640 700 370 Elongation @ Break % 180 340 150 190 110 110 10 45 Flexural Strength kgf/cm 2 820 720 880 880 960 980 1350 570 Flexural Modulus kgf/cm 2 21400 18400 21700 22000 21700 23000 34000 17500 Izod Impact Strength J/m 108 N.B N.B N.B N.B 700 15 170 Optical Total Transmittance % 91 90 90 90 89 89 92 89 Haze % <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <0.5 2.5 Thermal Heat Distortion Temperature 70 75 85 90 110 130~140 80~90 80~90 Flammability UL94 V-2 V-2 V-2 V-2 V-2 V-2 HB HB
Properties Key Property Fire-Resistance (PMMA) Chemical Resistance (PC and PMMA) Household -Appliance Automobile BPA Free (PC) Gas Permeability (PC and PMMA) Food contamination (PC) Food Contact Infant Flexural Strength Fire-Resistance (PMMA) 2nd-Fabrication (PC) Sheet Architecture Optical Main Application of
Properties vs. PMMA Fire Resistance Better Fire Resistance : UL 94 Flammability ( PMMA HB & V-2 ) Impact Property Great Impact Strength : Izod Impact Strength value (PMMA 15~30 J/m, No Break ) Chemical Resistance Good Chemical Resistance : PMMA has a weak tendency against chemical solvents
Properties vs. PC Environmental Chemical Resistance PC PC Food Contamination(Kimchi) > PC > ABS > PP PC ABS PP ECOZEN 측면 사진 Front View Side View Oxygen Permeability Material O 2 Barrier (cc.mm/(m 2.day.atm) 9 PC 93 PP 98 280 220 At TV Application Condition Processing 310sec 270 sec Stress Relaxation PC PC CCTV
Transparency Properties T-ABS T-ABS Better Transparency Better Chemical Resistance Better Flame Retardance No Stress Whitening T-ABS became partially whitened due to impact or cutting (Stress Whitening)
Properties Rockwell Hardness - According to increase T, Rockwell hardness is increased as well 108 107 120 122 110 115 118 121 PETG PCTG PC PMMA ABS HDT = 85 90 109
Properties Flexural Modulus Higher Rigidity than PETG 34000 24000 21400 21700 18400 17500 22000 21700 PETG PCTG PC PMMA ABS HDT = 85 90 109
Properties Impact Resistance - All grades are greater than PETG, PC, PMMA & ABS N.B 700 N.B N.B N.B 170 108 15 PETG PCTG PC PMMA ABS HDT = 85 90 109
endotherm Properties Heat Distortion Temperature(HDT) 70 75 135 85 85 85 90 110 - High T g and Flexural Modulus Be able to increase High HDT value - Sufficient to use outdoor applications PETG PCTG PC PMMA ABS HDT = 85 90 109 Effect of Comonomer on Thermal Property of Polyester Amorphous ( ) Amorphous (PETG) T-series do not have T m Transparency Wide Processing Window Copolymer (PET) Homopolymer (PET) T T g T c T c T m T m
Properties Heat Distortion Temperature(HDT) Heat Resistance Test for Decoration sheet 1. We use 2 kinds of Steel blocks 1 Wt : 2kg, Diameter : 90mm, Height : 30mm 2 Wt : 4kg, Diameter : 90mm, Height : 60mm 2. Set the oven at 100, 120, 140 3. Place 2 steel blocks during 20mm 4. Remove steel block and examine sheet surface 5. Test sample : HDT = 85, 90, 109 Bottom surface of steel block is rough. If the heat resistance of sheet sample is not enough, the bottom surface patten of steel block is printed on the sheet surface, easily.
Properties Heat Distortion Temperature(HDT) Test Result HDT 90 100 120 140 2kg Block 4kg Block
Properties Heat Distortion Temperature(HDT) Test Result HDT 109 100 120 140 2kg Block 4kg Block
Properties Contamination Resistance Food stain Test (Microwave 3 min X 2 times) Before microwaving Kimchi (Korean Traditional Food) Other Transparent Plastics
Properties Contamination Resistance Food stain Test (Microwave 3 min X 2 times) After microwaving Kimchi (Korean Traditional Food) Other Transparent Plastics
Properties Contamination Resistance Food stain Test (Microwave 3 min X 2 times) After microwaving Kimchi (Korean Traditional Food) Other Transparent Plastics
Properties Contamination Resistance Food Stain Test (Kimchi for 30 days) : > PC > ABS > PP PC PP ABS
Properties Oxygen (O 2 ) Transmission Rates Oxygen Transmission rate of is much lower than PC Material ASTM Unit O 2 Transmission Rate HDT 90 9 PETG 10 Competitive Resin-A 33 D 3985 cc.mm/(m 2.day.atm) Competitive Resin-B 44 Polycarbonate (PC) 93 Polypropylene (PP) 98
Properties Oxygen (O 2 ) Transmission Rates [Milk] After 3days stored in room temperature Competitive [Rice] After 3days stored in room temperature Competitive
Properties Color Selectivity 핚가지 color로 획일화 지양, user의 Color Selectivity 향상 Glass Gold 유리와 가까운 Color 구현 Modern / simple color 무게감(중량감)을 통핚 Plastic의 가볍고 저가 이미지 개선 고가 / 고품질 Image Bio-based material BPA free 투명성 내화학성 성형성 Corn-based Color 구현으로 원료 및 제품 안정성 젂달 부드러움 / 온화함 유아 / 아동 제품에 적합 식품보관 용기에 적합 사진 : Tupperware test 제품
Properties - Stress Relaxation Stress Relaxation Comparison of PC & Just after injection 60 12hrs 80 90 5hrs 5 Just after injection 60 12hrs 90 5hrs PC Creative product design is very important in choosing plastic material. After thermoforming or other secondary fabrication, a complicated part may retain residual stress. If residual stresses are not adequately removed, PC has been known to form small cracks due to environmental stress cracking.
Chemical Resistance
Chemical Resistance Chemicals for Living 5 4 PC Ketone 3 2 Cosmetics 1 0 T-ABS Aromatic Hycrocarbon Alcohol PMMA PC Aliphatic Hycrocarbon ECOZEN HDT 90 ECOZEN HDT 109 Side View
Chemical Resistance Test Summary 1 분류 제품 T-ABS PMMA PC HDT 90 HDT 109 손소독제 H2 / S2 H2 / S2 O O O 세탁세제 O C1 C1 O O 생활 케미칼류 유핚락스 C1 O C2 O O 운동화세제 C1 O C3 O O 식기세척제 O O C2 O O Cleansing Oil O C1 C1 O O 화장품 파운데이션 O O C2 O O 향수 H2 / S2 H2 / S1 / M2 S1 / C2 O O UV 크림 O C1 C2 O O 에탄올 (4hrs) H2 / W2 H1 / W2 O O O 알콜류 메탄올 (4hrs) W2 W2 / C3 / M2 O O O IPA (4hrs) H2 / W2 / S1 H2 / M2 O O O O : 변화없음 H : Haze W : 백탁 S : Swelling C : Crack M : Melting 알파벳 뒤의 숫자는 심핚 정도를 의미 (1 < 2 < 3) H1W2 : 약갂 Hazy하고 백탁은 중갂 정도, W3M2 : 백탁이 심하고 녹아내림은 중갂정도
Chemical Resistance Test Summary 2 분류 제품 T-ABS PMMA PC Aliphatic Hycrocarbon HDT 90 HDT 109 Hexane W3 O C1 O O Cyclo-Hexane W3 O C2 O O Heptane W3 O O O O Toluene H1 / M3 M2 W3 / M2 W2 H2 Aromatic Hydrocarbon Ketone Benzene H1 / M3 M2 W3 / S3 W3 / S1 H3 Xylene H2 / S3 / M2 M2 W3 / S2 H3 H1 / S1 MEK W3 / M3 M3 W3 / S2 W3 H3 / S1 Acetone W3 / M3 M3 W3 / S1 H3 / S1 H1 / S1 가솔린 W3 / S1 H2 / S1 / M2 S1 / C2 O O Limonene H2 / W2 / S2 H2 / S1 H2 / W1 / C3 H1 O Others NaOH C1 C1 C1 O O Ethyl Acetate W3 / M3 M2 W3 / S2 H2 H1 / S1 Chloroform H2 / M3 M3 H2 / M3 M3 M3
Chemical Resistance 생활케미칼 류 1 손소독제 ( 60 20 hrs ) T-ABS PMMA PC HDT 90 HDT 109 2 세탁세제 옥시크린 ( 60 20 hrs ) T-ABS와 PMMA는 Haze 및 Swelling T-ABS PMMA PC HDT 90 HDT 109 PMMA, PC는 Crack 발생
Chemical Resistance 생활케미칼 류 3 화장실 세척제 ( 60 20 hrs ) T-ABS PMMA PC HDT 90 HDT 109 T-ABS, PC Crack 발생 4 운동화세제 ( 60 20 hrs ) T-ABS PMMA PC HDT 90 HDT 109 T-ABS와 PC는 Crack 발생
Chemical Resistance 생활케미칼 류 5 식기 세척제 ( 5%수용액, 60 20 hrs ) T-ABS PMMA PC HDT 90 HDT 109 PC Crack 발생
Chemical Resistance 화장품 류 1 Cleansing Oil, Estee Lauder ( 60 20 hrs ) T-ABS PMMA PC HDT 90 HDT 109 2 파운데이션, Christian Dior ( 60 20 hrs ) PMMA, PC 미세 Crack 발생 T-ABS PMMA PC HDT 90 HDT 109 PC Crack 발생
Chemical Resistance 화장품 류 3 향수, 샤넬 ( 60 20 hrs ) T-ABS PMMA PC HDT 90 HDT 109 T-ABS는 Haze/Swelling, PMMA는 용해, PC는 Crack/Swelling 4 향수, Ed Hardy ( 60 20 hrs ) T-ABS PMMA PC HDT 90 HDT 109 T-ABS는 Haze/Swelling, PMMA는 용해, PC는 Crack/Swelling
Chemical Resistance 화장품 류 5 썬크림 ( 60 20 hrs ) T-ABS PMMA PC HDT 90 HDT 109 PMMA 미세 Crack, PC는 Crack 발생
Chemical Resistance Alcohol : Ethanol ( 60 4 hrs ) T-ABS PMMA PC HDT 90 HDT 109 T-ABS와 PMMA는 Haze 및 Swelling T-ABS PMMA PC HDT 90 HDT 109 T-ABS는 백탁 및 Swelling, PMMA는 용해
Processing
Processing - Drying Conditions Drying Temperature 70~80 Drying Time Air Flow of Dry Air Dew Point of Dry Air Residual Moisture Content 4 to 8 hours > 0.065m 3 /min per kg/h(1cfm per lb/h) < -30, -40 is better for good drying <0.05%(500ppm) Hopper Recommend ations Capacity Height/Dia. Ratio Insulation Monitoring 6 to 8 times extruder output per hour > 2:1, 3:1 is better for plug flow Well-insulation to improve energy efficiency Inlet Air Temperature & Dew Point Problems Caused by Insufficient Drying Fall-off of mechanical properties resulted from molecular weight (IV) reduction of the polymer and degradation of any additives. Adverse effect on the color of the final product Difficult control of processing parameters such as melt pressure, rheology, and power consumption. Bubble and silver streaks. Dehumidifying Dryer
Processing - Injection Molding Processing Conditions Screw Type General Guidelines General purpose with L/D = 18:1 to 20:1 and compression ratio 2.5:1 to 3.5:1 Ring type non-return valve is preferred Injection speed: slow to medium Screw speed : low speed of 50 ~ 100 rpm Cushion size : minimum (3 to 13mm) Decompression : Minimizing the drooling Back Pressure : 0.3 to 1Mpa is enough to give uniform metering & reduce air entrapment. Hold Pressure/Time : To eliminate sink marks or voids, but avoid overpacking. Purge : PETG is the most effective material. Clamp force : 75 Ton, Shot size : 5.2 oz Cylinder temperature( ) Typical Processing Conditions Mold Nozzle C2 C3 C4 Feeding 40~60 250 245 245 240 235 # Processing conditions shown in the example of a typical processing profile may vary somewhat in other similar applications. # Cooling of feeding bush is needed to prevent the sticking problem.
Processing - Melt Index Condition Units HDT 85 HDT 90 HDT 100 HDT 109 220, 10kg 20 18 250, 10kg g/10min 39.5 36 300, 1.2kg 81 60
Shear viscosity(pa*s) Processing - Melt Viscosity All grade of have shear thinning property. 1.00E+04 Melt Viscosity of series at 280 1.00E+03 1.00E+02 1.00E+01 T120 T110 T100 T95 1.00E+00 1 10 100 1000 Shear rate(1/s)
Processing - Extrusion Typical Processing Conditions Sheet Extrusion Extruder Specification -Machine : Breyer Extruder (Germany) -Diameter: 45 mm single screw extruder (barrier flight and vacuum suction screw) 3mm thickness sheet HDT 90 HDT 100 HDT 109 HDT 119 PETG Barrel Temperature Connection Barrel Zone 1 Barrel Zone 2 Barrel Zone 3 Barrel Zone 4 Barrel Zone 5 Screen Melt pump Adapter Connection 180 250 265 260 240 245 245 245 245 200 250 265 260 245 250 250 250 250 200 255 270 265 250 255 255 255 255 200 265 275 270 260 260 260 260 260 180 250 265 260 240 245 245 245 245 Die Die Zone 1 Die Zone 2 240 245 250 255 255 260 260 265 240 245 Cooling Rolls Roll 1 Roll 2 Roll 3 53 63 70 68 72 77 78 80 88 82 88 97 38 48 63
Processing - Thermoforming Processing Temperature Ecozen PETG PC Thermoforming Temperature 110 130 150 170 190 210 230 Sheet Pre-drying is Needed!! Reduced Cycle Time 200sec. Cooling Forming Heating 160sec. Cooling Forming Heating Cycle Time is significantly Reduced. Placing Placing PC Test Condition : Geiss Thermoformer Sample Dimension : 1.5mm Sheet
Applications
Application Appliances TV Stand Neck Transparent Stand-Neck - Excellent Chemical Resistance - Mechanical Properties Decoration Part - Excellent Chemical Resistance - Mechanical Properties
Application Appliances TV and Computer TV Frame Monitor Frame Flat Stand Unit Notebook Housing
Application Appliances Safety Door for Washing Machine Transparent Safety Door - Mechanical Properties - Good Transparency
Application Appliances Carpet Cleaner Cover - Mechanical Properties - Injection Processability
Application Appliances Transparent Cover in Air Conditioner Reflector - SKYGREEN Head - Mixer Container & Body Neck - Steamed Red Ginseng Maker Support - LED Desk Lamp Refrigerator Ice Box
Application Food & Body Contact Water Bottle Food Storage 5 gallon Bottle Cosmetic Bottle Shower Tool Body
Application Film & Sheet Optical Film Out door Canopy Shrink Film Touch Panel Film Key pad Film Decoration Sheet Card Out Door Sign
Application And so on Medical Animal Cage AutoMobile IC Tube Insulator for Electrical Appliance